CN107268501B - Portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine - Google Patents

Abstract

The portable tool stator of regeneration product noise reduction connect fan blade rotation and brushless motor that rotor does not turn blow leaf machine its essence is the mechanics of materials change the problem of cantilever fine strain of millet structure is single beam structure and air duct changes silencer well；But people is exactly unexpected.Rotor portion will be stretched out a very long thin motor output shaft to get rid of, motor is not realized on the extension line of the length of the axial outside of motor and blow the connection of paddle wheel fan, avoid fatal hard nut to crack, it motor and blows the output shaft between paddle wheel fan and or else can form the long cantilever fine strain of millet structure of a mechanics of materials, position section between the bearing at motor both ends, which is directly set, blows paddle wheel fan center, length to remove the stretching of output shaft is that the arm of force and the radial direction blown on paddle wheel fan centrifuge the prodigious harmful inclined torque that component is formed for inclined power, a large amount of motor is not consumed excessively to contribute, the amount of deflection and rotary inertia square of axis are not increased, to no longer restrict blower or blow the high speed strength outlet air of leaf machine；Solves world-famous puzzle.Inventive concept method is casted a brick to attract jade.

Description

Portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine

Technical field

The present invention relates to a kind of portable electric works for the places pressure-vaccum leaf such as beside flower bed, garden, park and road Tool, especially a kind of improvement of low vibration foliage pressure-vacuum machine, including installing movable assist handle, dust bag bracket and tying additional Improvement, bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add additional in insurance and biswitch and blower The material and honeycomb of silencing vibration-damping, idler wheel be changed to turn to, and in the tool pressure angle safety door of equal logatithmic spiral everywhere On the basis of low vibration foliage pressure-vacuum machine, improved portable tool stator connects fan blade rotation and brushless motor that rotor does not turn Blow leaf machine.

Background technology

Blower is widely used in clearing up leaf by the selected mode of hobby of people.Some operation pedestrians like When with custom blower, when especially encountering corner place, glance right and left and turn over angle and carry out pressure-vaccum, if contact ground Idler wheel be changed to turn to, work can be facilitated；The height for operating pedestrian is different, and custom takes operating angle not Together, need assist handle adjustable, and original fixed assist handle not enough claims hand.The insurance of power supply source is and past because for multichannel Be not suitable for toward to a blower, and former pressure-vaccum self-contained circuit lacks overloading protection, if plus insurance and biswitch, it will it is safer. Low vibration and low noise also have the necessity advanced optimized；If considering the foamed plastics and blowing that outside motor plus vibration damping is dynamic The many places plus-minus shake deadener and honeycomb structure of suction machine, can there is certain curative effect；And very big of the vibration and noise of grass-mowing machine According to raising motor and impeller concentricity is blown, and survey dynamically balanced improvement in the precision and geometric tolerance of power and tool in source Method when what is be desirable to, but pursues the low vibration low noise of blower, is in fact a hard nut to crack left for a long time. Dust bag bracket and tying have filled mostly easy landing, must also improve；Blower bodice upper casing dust mouth, when especially commutating sometimes Wind is violent, need to add soft；It blows impeller and adds cutting edge, easily stifled big inhalation (inhalatio), which is worked as, to cutting effect；And if single protruded tube is changed For more protruded tubes or flexible folding pipe, volume can be reduced.New safety will cannot have 8 millimeters of straight sticks to detect pressure-vaccum from dust mouth Machine fan, therefore set safety door.Though portable operation is convenient, its motor is limited its output by the happy and auspicious volume of weight It is all less than normal, it cannot be satisfied not only the prodigious requirement of light but also wind-force.The outer stator of brush motor does not turn only inner rotator swivel product Big and its brush easily plays spark and easy to wear.Commonly used in the outer rotor horse of blower or the common brushless motor for blowing leaf machine The stationary part reached its stator outside motor is big and the inserting slot of stator winding is just big, does not meet light and small and contributes big expectation； Especially it has the rotor portion of winding to stretch out a very long thin motor output shaft, in the axial outside of motor Length extension line on could realize and motor and blow the connection of paddle wheel fan, this results in a fatal hard nut to crack, horse It reaches and blows the cantilever fine strain of millet structure that the output shaft between paddle wheel fan just forms a mechanics of materials, motor-end and blow paddle wheel fan The length of output shaft between center is the arm of force, and the radial centrifugation component blown on paddle wheel fan is inclined power, this arm of force and inclined power shape It at prodigious harmful inclined torque, consumes a large amount of motor and contributes, it is not necessary to which strategic point increases the amount of deflection and rotary inertia square of axis, system About blower or blow the high speed strength outlet air of leaf machine.It is easier said than done to solve global hard nut to crack.To this kind of product How to be further improved, associates the present inventor and be once especially related to as senior engineer SENIOR ENGINEER in Switzerland in foreign countries Lifetime experience of manufacture, is improved special kneading, then is aided with invention research and development and is expected that product is made to attain a yet higher goal, just like silkworm in spring Not to the utmost to dead silk, the perfection that the mankind pursue invention be it is endless, can noise reduction sound-deadening, the portable tool stator of the present invention connects Fan blade rotate and rotor not the brushless motor that turns blow leaf machine come into being.

Invention content

In order to make up the shortcoming caused by the existing mechanism of blower, low vibration foliage pressure-vacuum machine is being improved, is being brought into contact with ground The idler wheel in face can be turned to and is more convenient；It operates adjustable assist handle and more claims hand；Pressure-vaccum self-contained circuit is safer；Low vibration and Low noise has optimization；Dust bag bracket and tying are securely without sliding；Blower dust mouth wind is milder；It blows impeller and adds cutting edge Cleavable easily stifled object；Single protruded tube is changed to more protruded tubes or flexible folding pipe to further reduce many before volume to change Uncommon that product is made to attain a yet higher goal under the promotion of leather, innovation design is hovered such as ghost for a long time, with Switzerland senior engineer SENI.ENGI. lifetime experience and international co-operation, are thousand worries and good fortune has one to obtain, and then portable tool stator of the invention connects wind Leaf rotate and rotor not the brushless motor that turns blow leaf machine come into being, change long cantilever fine strain of millet its essence is the mechanics of materials For short cantilever fine strain of millet or single beam the problem of, but people is exactly unexpected.It there is the rotor portion of rotor to stretch out one very long Thin motor output shaft is got rid of, and is not realized motor on the extension line of the length of the axial outside of motor and is blown paddle wheel fan Connection, avoid fatal hard nut to crack, or else motor and the output shaft blown between paddle wheel fan can form a material power Long cantilever fine strain of millet structure, the position section between the bearing at motor both ends, which is directly set, blows paddle wheel fan center, is exported to remove The length of the stretching of axis be the arm of force and blow the radial centrifugation component on paddle wheel fan for inclined power formed it is prodigious it is harmful partially Torque does not consume a large amount of motor excessively and contributes, do not increase the amount of deflection and rotary inertia square of axis, to no longer restrict blower Or blow the high speed strength outlet air of leaf machine；It contributes at double and solves world-famous puzzle.Innovation is thought wadding and is pushed up accumulateing：Must also noise reduction sound-deadening, hold It is explained in detail, the remaining inner feelings of invention is sent in examination, is not expected and is left behind a good reputation behind, merely casts a brick to attract jade.

The present invention solves the technical solution and method that its technical problem is taken, and first says gradual perfection, besides specifically improves：

A kind of improvement of low vibration foliage pressure-vacuum machine, including the movable assist handle of installation, dust bag bracket and tying It improves, bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add additional in insurance and biswitch and blower disappear The material and honeycomb of sound vibration damping, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding pipe；Institute The improved low vibration foliage pressure-vacuum machine stated, by tapping screw (1), bodice upper casing (2), power cord (3), cable cover(ing) (4), Switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance (9), tapping screw (10), master open It closes (11), governor (12), rubber sheet gasket (13), motor (14), fan blade gasket (15) blows impeller (16), hex nut (17), fan blade patch (18), tapping screw (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom case (24), safety switch (25), rotation axis (26), pressure-vaccum convert turn-knob (27), side button (28), torsional spring (29), torsion axis (30), telescoping tube (31), shaft block ring (32), wheel (33), wheel shaft (34), dust bag bracket (35), collection Dirt bag (36), hexagon-headed bolt (37), square assist handle knob (38), tapping screw (39), auxiliary handle lid (40) are auxiliary Assistant is bottom (41), M6 nuts (42), shoulder strap (43) and nylon cable tie (44), elastic collision bead autonavigator (45), or More protruded tubes (48) of more protruded tubes (46) or flexible folding pipe (47), blowout are formed；It is characterized in that：The self tapping spiral shell Nail (1) is multiple, fixes the bodice upper casing (2) and bodice bottom case (24)；Its assembly method has any to be pointed out It is to beat the self-tapping screw pneumatic screw batch or electric screwdriver for determining torque, so that torque is rationally uniform；The bodice Upper casing (2) and bodice bottom case (24) are that the right dress of a first from left closes, and contain handle part, assist handle position, protruded tube limiter Position, motor spiral case position, pressure-vaccum change a position, dust mouth position and several plug-in positions；In the right dress of a first from left On the bodice upper casing (2) of conjunction and the handle part of bodice bottom case (24), it is packed into the power cord (3), cable cover(ing) according to this (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance (9), tapping screw (10), Main switch (11), governor (12)；In the motor for the bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes On spiral case position, it is packed into the rubber sheet gasket (13), motor (14) according to this, fan blade gasket (15) blows impeller (16), hexagonal Nut (17), fan blade patch (18)；In the pressure-vaccum for the bodice upper casing (2) and bodice bottom case (24) that the right dress of a first from left closes A position is changed, is packed into the tapping screw (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel according to this (23), bodice bottom case (24), safety switch (25), rotation axis (26), pressure-vaccum convert turn-knob (27)；In the right dress of a first from left The bodice upper casing (2) of conjunction and the protruded tube limiter position of bodice bottom case (24) are packed into the side button (28) according to this, turn round Spring (29), torsion axis (30) and telescoping tube (31)；The telescoping tube (31) is interconnected containing cylinder and square tube and in front, and Front lower portion is equipped with peace wheel position；At the peace wheel position that the front lower portion of the telescoping tube (31) is equipped with, it is packed into the axis according to this With baffle ring (32), wheel (33), wheel shaft (34)；The bodice upper casing (2) and bodice bottom case (24) closed in the right dress of a first from left Dust mouth position, be equipped with soft (2a)；Described soft be at least a piece of or multi-disc, such as three pieces, such as Fig. 4, Fig. 5 and Shown in Figure 11；Described soft is usually provided at upper casing, is all set depending on type difference, or in two shells；Described soft is usually straight It connects and is moulded on shell, triangular in shape or oblique quadrangle or trapezoidal；Alternatively, described soft is not directly injection-moulded on shell, then With flexible material, such as fabric；In the bodice upper casing (2) of the right dress conjunction of a first from left and going out for bodice bottom case (24) It is set outside dirt oral area position there are two card slot, so that card hangs dust bag bracket (35) and dust bag (36)；The dust bag branch Frame (35) is equipped with hook (35a), hook muscle (35b), hook sideshake (35c) and big bagging as shown in Fig. 2, Fig. 3 and Figure 14 Enclose (35d) and small bagging circle (35e)；Original hook muscle (35b), as shown in Fig. 2, only 2, support force is poor, causes to link up with (35a) has to be loosened once in a while；Now be changed to hook muscle (35b) has 3 as shown in figure 14, and support force is higher, can make hook (35a) no Easily loosen；The dust bag (36) is made by fabric, equipped with marching and two related hanging buckles, to make hanging buckle hang over On the hook at the plug-in position on the shell；And it marches to go to pour out broken leaf to pull open bag and use；One kind is now discussed in detail The improved method that dust bag bracket pricks sack：It gets out the commercially available nylon cable tie (44) for having barb button first, is placed on dust bag (36) in fabric, packet uses sewing mechanism at suture (36) again, as shown in figure 19, then opens and marches, preparing The suture (36) of fabric of dust bag (36) encase the band (44) on side and be put into the big of the dust bag bracket (35) Between bagging circle (35d) and small bagging circle (35e), from the big opening part marched, it is easy to put in pliers, tension has barb button Nylon cable tie (44), and cut off too long of band；The bodice upper casing (2) and bodice bottom case (24) closed in the right dress of a first from left Assist handle position, be packed into the hexagon-headed bolt (37), square assist handle knob (38), tapping screw according to this (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42) form movable assist handle；The auxiliary On the auxiliary handle lid (40) of handle, referring to Fig. 6, Fig. 7 and Figure 10, it is equipped with arc-shaped connection handle (40a), to protect hand The back of the body, the multiple radiation teeth for being additionally provided with end are stupefied (40b), with sharp screens.Nondominant hand on the pressure-vaccum casing of original another style It is fixed, auxiliary handle lid (40) not as mentioned is smoothly grabbed well as shown in figure 11 (2b).

The present invention provides a kind of improved safety circuits added with insurance protection of low vibration foliage pressure-vacuum machine.Described A kind of improvement of low vibration foliage pressure-vacuum machine is shown containing the safety circuit added with insurance protection referring to circuit as shown in figure 25 It is intended to, by terminal board (7), insures RC, double-pole switch K, inductance L, capacitance C, and the series excited machine M equipped with winding and speed governing Device (12) is formed；The governor (12) is by bidirectional triode thyristor (TC) and bidirectional triode thyristor (DC), resistance (R1), resistance (R2), variable resistance (R3), capacitance (C2) and speed-regulating switch (K3) are formed；The present invention is specially added with double-pole switch K and insurance RC uses fuse, or with electrothermal relay, or with overcurrent protector, in the hope of safer.Why existing insurance in power supply, also Add insuranceBecause power supply source is also for many places, insurance is often too big, does not fit into this money foliage pressure-vacuum machine.

The improvement of a kind of low vibration foliage pressure-vacuum machine, containing inside and outside blower and in the plus-minus shake of many places of blower Deadener and honeycomb structure subtract vibration arrangement, are the major contribution of the present invention.The foam plastic for adding vibration damping dynamic outside motor Material, and shake deadener is added and subtracted in many places of blower, and honeycomb structure, signal are set in the air duct many places blown and inhaled As Fig. 4 vibration-absorbing and silencing at shown in (43)；Inside and outside casing and inside and outside each telescoping tube, if many places vibration-absorbing and silencing honeycomb structure, It is in the hexagon and Wedge structure containing noise elimination, density and its breadth depth ratio of many a dense interconnections, and the vibration with blower is joined Number is related with noise properties, repeatedly to test；Inside and outside casing and inside and outside each telescoping tube and outside motor, the shock-absorbing and noise-eliminating of installation Material, or with metallic fiber or nonmetallic materials, filling or half is filled；Or it is especially porous suction with the sound-absorbing material of resistance to medium temperature Sound material or flexible material and film material；The porous material can be fiber-like, and foam class, particulate species are applied alone Row, more or less mixing application is good；Usable fibers class such as rock wool or glass fiber or mineral wool especially super glass wool； Or with foam class, as at motor, fireproof at warm raising；Or with particulate species such as expanded perlite, porous clay brick, And the fabric of heatproof, felt are filled, or attach；The honeycomb structure also prefabricated can afterwards attach, or mixing molding.Due to each The acoustic absorptivity (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) of material is different, and incident angle also has shadow to acoustic absorptivity It rings, some is preferable to high frequency sound absorption, and some is preferable to Low Frequency Sound Absorption, and multiple material has complementary efficiency, and vibration, which involves, makes an uproar Sound is reflected, and is converted, and is absorbed, decaying, therefore is conducive to further improved performance index.

The attachment of original blower product only has shoulder strap (43), hangs on shell and the back of the body is on operator's shoulder；The present invention It is recommended that improved low vibration foliage pressure-vacuum machine, will add mask, gloves and safety goggles and insurance in its attachment, to be promoted Product specification, and facilitate user.

A kind of improvement of low vibration foliage pressure-vacuum machine contains and blows the improvement that impeller adds cutting edge, it is characterized in that：Described blows leaf It takes turns and is equipped with cutting edge, such as Fig. 8, and the cutting edge of amplification is as shown in figure 18, cutting edge containing top (16a) and side week cutting edge (16b), institute Blowing impeller blade top surface and blowing the positive angle of impeller blade for the top cutting edge (16a) stated is acute angle；And the side Zhou Ren Blowing impeller blade lateral circle surface and blowing the positive angle of impeller blade also for mouth (16b) is acute angle；The sword for blowing impeller and adding Mouthful or it is shorter along the edge of face of blade part, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or It is more folding swords, and its arcuate blade is archimedes line or parabola.As an improvement, being also separately equipped with sword in the impeller that blows Steel knife, such as use strip-shaped cutter；As an improvement, being blown on impeller blade in described, if containing multiple ellipses and hexagonal noise reduction Hole.

As an improvement, the idler wheel on contact ground is changed to turn to, becomes and easily turn to blower, be another flower of blower Chromaticity kind is liked and when custom blower to meet some operation pedestrians, left when especially encountering corner place The Gu right side, which expects and turns over angle, carrys out pressure-vaccum to facilitate the requirement of work.The axle stand point of original telescoping tube (31) lower head It dismantles, makes an independent part axle stand (31a), axle stand is placed in original telescoping tube (31) lower head Place set a hole, to be inserted into the vertical shaft of the ring card slot on the axle stand (31a), as shown in the explosive view of Figure 23；Its It is remaining with it is original as, be still to wear wheel shaft (34) in axle stand (31a), then set up one wheel pairs (33), respectively load onto shaft block ring (32)。

As an improvement, as shown in Figure 20 and Figure 22, single cylinder that stretches out is changed to more protruded tubes (46), and set autonavigator, Such as elastic collision bead autonavigator (45) or the autonavigator of collision block or the autonavigator of torsional spring, again without employment It is gone by button with hand, to reduce volume, random pulling-down had both been automatically positioned in place, improved work efficiency.Described and autonavigator The more protruded tubes (46) to match are more piece, such as 4 sections；More protruded tubes (46) are all provided with fluted to be adapted to locator.

Significant improvement associates the principle for the telescopic antenna that can freely draw in pull-out, it is improved and uses blower and is made More protruded tubes (46) might as well call small suction pipe more protruded tubes (48) as shown in figure 24；More protruded tubes (46, 48) it is characterized in one end in-flanges, and other end flanging；A section connects a section in single file for it, is more piece, and minimum 4 section pulls out Or return is freely, because there is convex-concave screens at its flange.Because the pipe range of blower presses standard such as IEC60335-2-100, or By standard such as BSEN15503：2009, only 0.9 meter, therefore rod length can be implemented.

Another significant improvement, associates the principle for the accordion that can freely draw in pull-out, and common dust catcher and washes Clothing machine folds hose, it is improved and uses blower and makees more protruded tubes, as shown in figure 21, pipe might as well be known as flexible folding Folded pipe (47)；For convenience of positioning, or it is used in combination with more protruded tubes (48)；The flexible folding pipe (47) is characterized in：It has more A folding, no matter its section side of being circle or other shapes, adjacent ring week of pipe, which is that a great circle one is small, encloses the land Spaced is that a slubbing connects a details in single file, and section is more piece, minimum 4 section or more；Alternatively, the flexibility The tubing flexible material such as fabric of folded tube (47), cloth, plastic film, while multiple rings are equipped at intervals with along flexible pipe, or along soft Property pipe it is inner or outer, suit helical spring as interval ring, to support and draw in pull-out；The helical spring is sparse With it is flexible.

A kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine is to improve manufacture and assembly The method containing laser of precision improves motor and blows impeller concentricity and survey dynamically balanced existing precision modulding component again There is the improved method that laser sights tooling.Because blower vibration and noise very big root the precision of power and tool with Geometric tolerance so to improve motor and blow impeller concentricity, and will survey dynamic balancing, in the hope of the low vibration low noise to blower This hard nut to crack left for a long time of sound has certain curative effect；First, it is improved from layout design and geometric tolerance is wanted It asks, such as to motor and the requirement for blowing impeller assembly concentricity and geometric tolerance, also increases motor and blow impeller interference volume, Again with reinforcing frock clamp pressing；Moreover precision die is prepared with numerical control CNC machining centers, and impeller progress is such as blown plastic Post-processing, main method are to use high-temperature vapour method, preferably steam enough three hours or more, are unlikely to deform away in the hope of plastic part size Sample；Secondly, to improve motor and blowing impeller concentricity, when assembly, using dedicated calibration motor with blow impeller assembly concentricity Have the tooling press that laser is sighted, after pressing, and through bulk sampling survey dynamic balancing amendment can just go up producing line, last complete machine It samples and surveys dynamic balancing, in the hope of being aided with many places shock-absorbing and noise-eliminating material, and integrating composition one kind having improved low vibration foliage pressure-vacuum Machine.

Advantageous effect is vibration damping, safety, handy, raising product specification is integrated with multinomial improvement, if safety door：

The low vibration foliage pressure-vacuum machine for having the pressure angle safety door of equal logatithmic spiral everywhere, including safety door, movable Assist handle, the improvement of dust bag bracket and tying, bodice upper casing dust mouth add soft, blow impeller and cutting edge, circuit is added to add guarantor Danger and biswitch, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding pipe；The tool pressure The low vibration foliage pressure-vacuum machine of the angle safety door of equal logatithmic spiral everywhere, adding the safety door is protected for new safety, By tapping screw I (1), bodice upper casing (2), power cord (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance I (9), tapping screw II (10), main switch (11), governor (12), rubber Gasket (13), motor (14), fan blade gasket (15) blow impeller (16), hex nut (17), fan blade patch (18), tapping screw III (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), bodice bottom case (24), safety switch (25), rotation axis (26), pressure-vaccum conversion turn-knob (27), side button (28), torsional spring (29), torsion axis (30), telescoping tube (31), Shaft block ring (32), wheel (33), wheel shaft (34), dust bag bracket (35), dust bag (36), hexagon-headed bolt (37), square Assist handle knob (38), tapping screw IV (39), auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42), the back of the body Band (43) and band (44), elastic collision bead autonavigator (45), more protruded tubes (46), flexible folding pipe (47), blowout More protruded tubes (48), the safety door formed；The tapping screw I (1) is multiple, fix it is described it is big with Shell (2) and bodice bottom case (24)；The bodice upper casing (2) and bodice bottom case (24) is that the right dress of a first from left closes, and contains handle Position, assist handle position, protruded tube limiter position, motor spiral case position, pressure-vaccum change a position, dust mouth position and several A plug-in position；On the handle part of the bodice upper casing (2) and bodice bottom case (24), the power supply is housed according to this Line (3), cable cover(ing) (4), switch trigger (5), switch trigger spring (6), terminal board (7), cable pressing plate (8), capacitance I (9), (10) tapping screw II, main switch (11), governor (12)；In the bodice upper casing (2) and bodice bottom case (24) On motor spiral case position, the rubber sheet gasket (13), motor (14) are housed according to this, fan blade gasket (15) blows impeller (16), Hex nut (17), fan blade patch (18)；A position is changed in the pressure-vaccum of the bodice upper casing (2) and bodice bottom case (24), according to This be equipped with the tapping screw III (19), rotation shaft-cup (20), spring (21), baffle ring (22), pressure-vaccum change-over panel (23), greatly Body bottom case (24), safety switch (25), rotation axis (26), pressure-vaccum convert turn-knob (27)；In the bodice upper casing (2) and big The protruded tube limiter position of body bottom case (24), according to this be equipped with the side button (28), torsional spring (29), torsion axis (30) and Telescoping tube (31)；The telescoping tube (31) is cylinder or square tube, and is equipped with peace wheel position in front lower portion；It is stretched in described The peace wheel position that the front lower portion of the draw (31) is equipped with is equipped with the shaft block ring (32), wheel (33), wheel shaft (34) according to this； At the dust mouth position of the bodice upper casing (2) and bodice bottom case (24), it is equipped with soft (2a)；In the bodice upper casing (2) and outside the dust mouth position of bodice bottom case (24) card slot there are two setting blocks hang dust bag bracket (35) and dust thereon Bag (36)；The dust bag bracket is equipped with hook (35a), hook muscle (35b), hook sideshake (35c), and big bagging circle (35d) and small bagging circle (35e)；The dust bag (36) is made by fabric, and is equipped with and is marched and two related extensions Button；The band (44) that side is encased with suture (36) of the dust bag (36) prepared is placed on the dust bag bracket (35) It is tightened between bagging circle (35d) and small bagging circle (35e) greatly；In the auxiliary of the bodice upper casing (2) and bodice bottom case (24) Help handle part, according to this be equipped with the hexagon-headed bolt (37), square assist handle knob (38), tapping screw IV (39), Auxiliary handle lid (40), auxiliary handle bottom (41), M6 nuts (42) form movable assist handle；The assist handle On auxiliary handle lid (40), multiple radiation teeth that end is additionally provided with equipped with arc-shaped connection handle (40a) are stupefied (40b)；Circuit, By terminal board (7), insure (RC), double-pole switch (K), inductance (L), capacitance II (C), and the series excited machine (M) equipped with winding, And governor (12) is formed；The governor (12) is by bidirectional triode thyristor I (TC) and bidirectional triode thyristor II (DC), electricity I (R1) is hindered, resistance II (R2), variable resistance (R3), capacitance III (C2) and speed-regulating switch (K3) are formed；Described blows impeller It is equipped with cutting edge, cutting edge containing top (16a) and side week cutting edge (16b)；The tooling sighted with laser when assembly blows impeller (16) It post-processes, and surveys dynamic balancing；Described soft is at least a piece of, and its triangular in shape or oblique quadrangle or trapezoidal；It is described Soft be not directly injection-moulded on shell, and with the fabric of flexible material；The hook muscle (35b) has 3, or more It is more；The band is the nylon cable tie for having barb to buckle；What the described idler wheel contact ground was changed to can to turn to, be stretching The axle stand of the draw (31) lower head is split, and makes an independent part axle stand (31a), and in telescoping tube (31) place of lower head placement axle stand sets a hole, is inserted into the vertical of the ring card slot on the axle stand (31a) Axis；Wheel shaft (34) is worn in axle stand (31a) again, and sets up one wheel pairs (33), and respectively loads onto shaft block ring (32)；It is blowing The impeller blade that blows of suction machine is equipped with containing multiple ellipses and hexagonal noise reduction through-hole；Vibration-absorbing and silencing is equipped on blower Honeycomb structure is in the hexagon and Wedge structure containing noise elimination, density and its breadth depth ratio of many a dense interconnections, with pressure-vaccum The vibration parameters of machine are related with noise properties, repeatedly to test；And shock-absorbing and noise-eliminating material is set, or with metallic fiber or nonmetallic Material, filling or half filling；Or sound-absorbing material or sound-absorbing porous material or flexible material and film material with resistance to medium temperature； The porous material is fiber-like, foam class, particulate species, or mixing application；With fiber-like or rock wool or mineral wool Super glass wool；Near the raised motor of temperature, fireproof；With particulate species or with expanded perlite, porous clay brick, And the fabric and felt of heatproof are filled or are attached；Or honeycomb structure it is prefabricated after attach it, or mixing molding；The blower, It is characterized in：The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety Door is that cannot have the close dust bag of 8 millimeters or more of straight stick from the dust mouth of upper casing for meet new safety defined The requirement of fan inside orientation detection to blower and make security protection, the safety door (50) by shaft (50a), dial Dynamic face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are formed, and are equipped with safety in the dust bag bracket (35) The face (50b) of stirring of door control strip (49), the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, institute It states safety door control strip (49) to be made of control strip sharp (49c), control strip curved surface (49a), control strip inclined wedge, the safety Door (50) controls folding, when not installing dust bag bracket (35), the peace by the safety door control strip (49) It is to be closed to make security protection that air cock (50), which keeps original state, stirs face (50b) opening and goes out dirt in the upper casing (2) of blower Outside mouthful；When installing dust bag bracket (35), control strip sharp (49c), the control strip of the safety door control strip (49) Curved surface (49a), control strip inclined wedge push the face (50b) of stirring of the safety door (50) that the safety door (50) is made to turn on according to this, The part band sundries that the disorder of main pressure-vaccum stream mixed is vortexed another part by the middle part of dust mouth is set to pass through dust mouth all Noise reduction honeycomb wedge (50d) and the air-permeable layer (50c) of the safety door (50) of edge turned on and failure are to there is noise reduction work With.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part face for stirring face (50b) of the safety door (50) is that have pressure angle equal logatithmic spiral everywhere Face.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge composition points How stupefied structure is split, the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six, and the top of the hexagonal pyramid shaped wedge in each wedge (50d) Equipped with micropore, approximate diameter is advisable at 0.1 to 0.5 millimeter；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；It is many Wedge forms the how stupefied structure of wedge, and the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The head of the control strip of the safety door control strip (49) sharp (49c) is at an acute angle.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part curved surface of the control strip curved surface (49a) of the safety door control strip (49) is tool pressure angle phase everywhere Etc. the logatithmic spiral of characteristics face.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The control strip inclined wedge of the safety door control strip (49) is the inclined wedge shape for being slightly in concentric reducer.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door is equipped with the through-hole that multiple diameters are less than 8mm.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door be equipped with multiple major diameters less than 8mm ellipse through-hole in favor of Noise reduction.

It continuously improves perfect portable tool stator to state below and connects fan blade rotation and brushless motor that rotor does not turn Blow leaf machine：

Portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, which is characterized in that it is containing tool Stator connects fan blade rotation and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct 51, preceding shunting Conehead 52, interior winding 53c, blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing at inner rotor shaft 53 Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of denoiser after 53a, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；The preceding air duct 51 is equipped with horn mouth 51a, and function of the outer profile curve of the horn mouth 51a containing higher mathematics is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 be equipped with it is multiple tool rectangular through holes preceding bayonet 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is equipped with are matched；Shunting conehead 52 is mounted in described before described The front end of armature spindle 53 is simultaneously firm with axis cushion card, and the motor fore bearing is installed in the front end of the inner rotor shaft 53 The inner ring of 53a shunts the frustum of a cone 52a that conehead 52 is equipped with protrusion, the apical ring of the frustum of a cone and the motor front axle before described The inner ring for holding 53a is connected；Bearing 53b after the motor is installed in the rear end of the inner rotor shaft 53, after the motor The inner ring of bearing 53b is connected with the rear end of the interior wound rotor axis 53；The outer shroud of bearing 53b and institute after the motor Rear bearing flange seat 57 is stated to be connected, it is described after bearing flange seat 57 be equipped with multiple threaded hole 57a, so as to the apoplexy The multiple threaded block 56f along air duct central axes uniformly around arrangement of cylinder 56 being equipped with are connected, and the middle air duct 56 is equipped with Multiple radial direction width 56c connect the multiple threaded block 56f for being evenly distributed with along air duct central axes and surrounding arrangement, the middle air duct 56 Multiple radial width slot 58b phases that the multiple radial width 56c being equipped with also are equipped with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the bearing flange seat 57 and interior winding 53c is fixedly mounted with after described；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and ring week multi-disc permanent magnetic strip group is fixedly mounted in the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing or the diameter for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing after the motor, essence for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force at a distance from the centre of sphere of bearing after the motor；It is described to blow leaf Take turns the projecting at a distance between the centre of sphere of bearing after the motor and before motor in motor axis of the radial center of fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, and outlet air is made to increase, the brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being equipped with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that the rear air duct 58 of 58a is equipped with match to discharge three electric wires of the interior winding 53c；In described Air duct 56 is equipped with slot 56d in the outer shroud week along the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes being equipped with It is connect with the spreader 58a being equipped with the rear air duct 58 of the tool spreader 58a；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is equipped with the air duct guard ring 59 equipped with multiple rear bayonet 589h for having rectangular through holes 59h is matched；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused at, many places the rear air duct 58 for being distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, also many places diffuse the surfaces externally and internally for being distributed in the spreader 58a, with profit absorb sound and sound insulation； Or the air duct is adapted as plus is simplified silencer, it is equal along air duct central axes in being equipped with for the middle air duct 56 Multiple threaded block 56f's of the circular arrangement of cloth is equipped with slot 56d outer shroud weeks with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being equipped with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being equipped with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity just squeezes into the outer of the spreader 58a because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Primary expansion is carried out, the gas by first compression expansion is entering the second largest cavity of the inner surface of the spreader 58a again It flows backward, until having crossed the position of the connection for going to middle air duct and rear air duct because of preceding air duct behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and described in carrying out second-compressed and entering The outer surface of spreader 58a and the of the spreader of the rear air duct 58 of the tool spreader 58a and the shell of rear air duct Three big cavitys carry out reexpansion again, then are blown out from multiple flat outlets of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, be conducive to sound absorption and eliminate the noise and noise abatement.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the projection in motor axis of the radial center for blowing paddle wheel fan 54 and bearing after the motor The ratio between the distance between the distance between centre of sphere and the centre of sphere of motor front and back bearings are not more than one to three.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 is close and numerous by many a sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size formed.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size The hexagonal pyramid to differ is formed.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 by many sound-absorbing material facings suppressed containing leaf thickly dotted size not One hexagonal pyramid shaped wedge is formed.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction member 60, which diffuse, is distributed in institute The hexagonal pyramid for stating the surfaces externally and internally of spreader 58a has through-hole.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 is diffused by many places of the sound-absorbing material facing of many compactings containing leaf is distributed in institute State being made of the hexagonal pyramid shaped wedge of through-hole for the hexagonal pyramid of the surfaces externally and internally of spreader 58a.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the surfaces externally and internally of the spreader 58a has the parabola shaped of the function curve of higher mathematics.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction member 60, which diffuse, is distributed in institute State the hexagonal pyramid of the surfaces externally and internally of spreader 58a have the hexagonal pyramid shaped wedge of through-hole be tool middle part have a larger cavity and Surfaces externally and internally has compared with small through hole.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the flat outlet of the air duct guard ring 59 having is jujube core shape pointed at both ends.

Portable tool stator connects the usefulness for blowing leaf machine of fan blade rotation and brushless motor that rotor does not turn：Because it is containing tool Stator connects fan blade rotation and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct 51, preceding shunting Conehead 52, interior winding 53c, blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing at inner rotor shaft 53 Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of denoiser after 53a, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；The preceding air duct 51 is equipped with horn mouth 51a, and function of the outer profile curve of the horn mouth 51a containing higher mathematics is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 be equipped with it is multiple tool rectangular through holes preceding bayonet 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is equipped with are matched；Shunting conehead 52 is mounted in described before described The front end of armature spindle 53 is simultaneously firm with axis cushion card, and the motor fore bearing is installed in the front end of the inner rotor shaft 53 The inner ring of 53a shunts the frustum of a cone 52a that conehead 52 is equipped with protrusion, the apical ring of the frustum of a cone and the motor front axle before described The inner ring for holding 53a is connected；Bearing 53b after the motor is installed in the rear end of the inner rotor shaft 53, after the motor The inner ring of bearing 53b is connected with the rear end of the interior wound rotor axis 53；The outer shroud of bearing 53b and institute after the motor Rear bearing flange seat 57 is stated to be connected, it is described after bearing flange seat 57 be equipped with multiple threaded hole 57a, so as to the apoplexy The multiple threaded block 56f along air duct central axes uniformly around arrangement of cylinder 56 being equipped with are connected, and the middle air duct 56 is equipped with Multiple radial direction width 56c connect the multiple threaded block 56f for being evenly distributed with along air duct central axes and surrounding arrangement, the middle air duct 56 Multiple radial width slot 58b phases that the multiple radial width 56c being equipped with also are equipped with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the bearing flange seat 57 and interior winding 53c is fixedly mounted with after described；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and ring week multi-disc permanent magnetic strip group is fixedly mounted in the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing or the diameter for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing after the motor, essence for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force at a distance from the centre of sphere of bearing after the motor；It is described to blow leaf Take turns the projecting at a distance between the centre of sphere of bearing after the motor and before motor in motor axis of the radial center of fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, and outlet air is made to increase, the brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being equipped with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that the rear air duct 58 of 58a is equipped with match to discharge three electric wires of the interior winding 53c；In described Air duct 56 is equipped with slot 56d in the outer shroud week along the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes being equipped with It is connect with the spreader 58a being equipped with the rear air duct 58 of the tool spreader 58a；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is equipped with the air duct guard ring 59 equipped with multiple rear bayonet 589h for having rectangular through holes 59h is matched；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused at, many places the rear air duct 58 for being distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, also many places diffuse the surfaces externally and internally for being distributed in the spreader 58a, with profit absorb sound and sound insulation； Or the air duct is adapted as plus is simplified silencer, it is equal along air duct central axes in being equipped with for the middle air duct 56 Multiple threaded block 56f's of the circular arrangement of cloth is equipped with slot 56d outer shroud weeks with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being equipped with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being equipped with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity just squeezes into the outer of the spreader 58a because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Primary expansion is carried out, the gas by first compression expansion is entering the second largest cavity of the inner surface of the spreader 58a again It flows backward, until having crossed the position of the connection for going to middle air duct and rear air duct because of preceding air duct behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and described in carrying out second-compressed and entering The outer surface of spreader 58a and the of the spreader of the rear air duct 58 of the tool spreader 58a and the shell of rear air duct Three big cavitys carry out reexpansion again, then are blown out from multiple flat outlets of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, be conducive to sound absorption and eliminate the noise and noise abatement；The throwing in motor axis of the radial center for blowing paddle wheel fan 54 The ratio between the distance between the distance between shadow and the centre of sphere of bearing after the motor centre of sphere of motor front and back bearings is not more than one Than three；The noise reduction member 60 by many sound-absorbing material facings containing straw and leaf pressboard thickly dotted size not One polygonal pyramid is formed；Or the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing it is close and numerous Hexagonal pyramid not of uniform size formed；Or the noise reduction member 60 is by the close of many a sound-absorbing material facings suppressed containing leaf The hexagonal pyramid shaped wedge not of uniform size of dense fiber crops is formed, the sound absorption of many compactings containing leaf of the noise reduction member 60 The hexagonal pyramid that many places of material facing diffuse the surfaces externally and internally for being distributed in the spreader 58a has through-hole；The noise reduction member 60 are diffused the surfaces externally and internally for being distributed in the spreader 58a by many places of the sound-absorbing material facing of many compactings containing leaf Hexagonal pyramid is made of the hexagonal pyramid shaped wedge of through-hole；The function of the surfaces externally and internally tool higher mathematics of the spreader 58a Curve it is parabola shaped；The many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction member 60, which diffuse, to be distributed in The hexagonal pyramid shaped wedge of through-hole that has of the hexagonal pyramid of the surfaces externally and internally of the spreader 58a is that have larger cavity in the middle part of tool And surfaces externally and internally has compared with small through hole；The flat outlet of the air duct guard ring 59 having is jujube core shape pointed at both ends；Resultant effect Significantly；It contributes big, low noise, blowing is more, lighter, so that product is attained a yet higher goal, changes cantilever fine strain of millet its essence is the mechanics of materials The problem of structure is single beam structure, but people is exactly unexpected.It there is the rotor portion of magnet steel to stretch out one very long thin Motor output shaft get rid of, motor is not realized on the extension line of the length of the axial outside of motor and blows paddle wheel fan Connection, avoids fatal hard nut to crack, or else motor and the output shaft blown between paddle wheel fan can form a mechanics of materials Cantilever fine strain of millet structure, the position section between the bearing at motor both ends, which is directly set, blows paddle wheel fan center, to remove output shaft The length of stretching is that the arm of force and the radial direction blown on paddle wheel fan centrifuge the prodigious harmful inclined power that component is formed for inclined power Square does not consume a large amount of motor excessively and contributes, do not increase the amount of deflection and rotary inertia square of axis, to no longer restrict blower or Blow the high speed strength outlet air of leaf machine；Solves world-famous puzzle；Innovation design is casted a brick to attract jade.

Description of the drawings

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the exploded perspective view of blower.

Fig. 2 is the schematic diagram of dust bag bracket (35).

Fig. 3 is the schematic diagram in the lower direction of dust bag bracket (35).

Fig. 4 is the schematic diagram of bodice upper casing (2).

Fig. 5 is the C-C diagrammatic cross-sections of bodice upper casing (2).

Fig. 6 is the vertical view of auxiliary handle lid (40).

Fig. 7 is the schematic diagram of auxiliary handle lid (40).

Fig. 8 is the schematic diagram for blowing impeller (16).

Fig. 9 is the top view of auxiliary handle lid (40).

Figure 10 is the midship section schematic diagram of auxiliary handle lid (40).

Figure 11 is the schematic diagram for the bodice upper casing (2) for having fixed assist handle (2b).

Figure 12 is the schematic diagram of rotation axis (26).

Figure 13 is the schematic diagram of pressure-vaccum change-over panel (23).

Figure 14 is the schematic diagram for adding to link up with the dust bag bracket (35) of muscle (35b).

Figure 15 is the schematic diagram of pressure-vaccum conversion turn-knob (27).

Figure 16 is the schematic diagram for switching trigger (5).

Figure 17 is the schematic elevation view of auxiliary handle lid (40).

Figure 18 is the cutting edge schematic diagram for the amplification for blowing impeller (16).

Figure 19 is the schematic diagram that dust bag bracket pricks sack.

Figure 20 is the schematic diagram for the blower for having autonavigator (45) and more protruded tubes (46).

Figure 21 is the schematic diagram of the blower of more protruded tubes (48) of flexible folded tube (47) and blowout.

Figure 22 is the schematic diagram of autonavigator (45) and more protruded tubes (46).

Figure 23 is the exploded perspective view for the steerable wheel for having axle stand (31a).

Figure 24 is that have one end in-flanges, the schematic diagram of more protruded tubes of the more piece pull rod of other end flanging.

Figure 25 is the schematic diagram added with the safety circuit of insurance protection.

Figure 26 is the schematic diagram of dust bag bracket (35) and the safety door control strip (49) being equipped with.

Figure 27 be safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge The schematic diagram that (50d) is formed.

Figure 28 be safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge The schematic diagram at the another visual angle that (50d) is formed.

Figure 29 is that portable tool stator connects fan blade rotation and the air duct office for blowing leaf machine of brushless motor that rotor does not turn cuts open and shows It is intended to.

Figure 30 is that portable tool stator connects fan blade rotation and the air duct sectility for blowing leaf machine of brushless motor that rotor does not turn shows It is intended to.

Figure 31 is the signal that portable tool stator connects fan blade rotation and the air duct for blowing leaf machine of brushless motor that rotor does not turn Figure.

Figure 32 is the schematic diagram for the rear air duct 58 for having spreader 58a.

Figure 33 is the schematic diagram of preceding air duct 51.

Figure 34 is the schematic diagram of motor.

Figure 35 is the schematic diagram of the rear side viewing of middle air duct 56.

Figure 36 is the schematic diagram that the front side of middle air duct 56 regards.

Figure 37 is the schematic diagram of rear bearing flange seat 57.

Figure 38 is the schematic diagram of preceding shunting conehead 52.

Figure 39 is the schematic diagram for blowing paddle wheel fan 54 for having inner lane 54c and outer ring 54a.

Figure 40 is the another schematic diagram for blowing paddle wheel fan 54 for having inner lane 54c and outer ring 54a.

Figure 41 is the schematic diagram of air duct guard ring 59.

Figure 42 is the schematic diagram that the front side for the rear air duct 58 for having spreader 58a regards.

Figure 43 is the schematic diagram of the rear side viewing for the rear air duct 58 for having spreader 58a.

Figure 44 is the another schematic diagram of the rear side viewing for the rear air duct 58 for having spreader 58a.

As shown, in figure：

1. being tapping screw (1)；

2. being bodice upper casing (2)；

3. being power cord (3)；

4. being cable cover(ing) (4)；

5. being switch trigger (5)；

6. being switch trigger spring (6)；

7. being terminal board (7)；

8. being cable pressing plate (8)；

9. being capacitance (9)；

10. being tapping screw (10)；

11. being main switch (11)；

12. being governor (12)；

13. being rubber sheet gasket (13)；

14. being motor (14)；

15. being fan blade gasket (15)；

16. being to blow impeller (16)；

17. being hex nut (17)；

18. being fan blade patch (18)；

19. being tapping screw (19)；

20. being rotation shaft-cup (20)；

21. being spring (21)；

22. being baffle ring (22)；

23. being pressure-vaccum change-over panel (23)；

24. being bodice bottom case (24)；

25. being safety switch (25)；

26. being rotation axis (26)；

27. being pressure-vaccum conversion turn-knob (27)；

28. being side button (28)；

29. being torsional spring (29)；

30. being torsion axis (30)；

31. being telescoping tube (31)；

32. being shaft block ring (32)；

33. being wheel (33)；

34. being wheel shaft (34)；

35. being dust bag bracket (35)；

36. being dust bag (36)；

37. being hexagon-headed bolt (37)；

38. being square assist handle knob (38)；

39. being tapping screw (39)；

40. being auxiliary handle lid (40)；

41. being auxiliary handle bottom (41)；

42. being M6 nuts (42)；

43. being shoulder strap (43)；

44. being nylon cable tie (44)；

45. being elastic collision bead autonavigator (45)；

46. being more protruded tubes (46)；

47. being flexible folding pipe (47)；

48. being more protruded tubes (48) of blowout；

49. being safety door control strip (49)；

49a. control strips curved surface (49a)；

49c. control strips are sharp (49c)；

50. being safety door (50)；

50a. is shaft (50a)；

50b. is the face of stirring (50b)；

50c. is air-permeable layer (50c)；

50d. is noise reduction honeycomb wedge (50d)；

2a. is soft (2a)；

2b. is original auxiliary handle (2b)；

16a. is top cutting edge (16a)；

16b. is side week cutting edge (16b)；

31a. is axle stand (31a)；

35a. is hook (35a)；

35b. is hook muscle (35b)；

35c. is hook sideshake (35c)；

35d. is big bagging circle (35d)；

35e. is small bagging circle (35e)；

40a. is the connection handle (40a) of arc；

40b. is that radiation tooth is stupefied (40b)；

Air duct 51 before 51.,

Before 52. shunt conehead 52,

53. inner rotor shaft 53,

Winding 53c in 53c.,

54. blow paddle wheel fan 54,

55. motor stator shell 55,

Air duct 56 in 56.,

53a. motor fore bearings 53a,

Bearing 53b after 53b. motors,

Bearing flange seat 57 after 57.,

Air duct 58 after 58.,

58a. spreaders 58a,

59. air duct guard ring 59,

60. denoiser 60；

58a. spreaders 58a；

51a. horn mouths 51a；

Bayonet 51h before 51h.；

56h. triangle overhead kick screens 56h；

The frustum of a cone 52a of 52a. protrusions；

The more a threaded hole 57a of 57a.；

The more a threaded block 56f of 56f.；

The radial width 56c of more of 56c.；

The radial width slot 58b of more of 58b.；

54c. blows the inner lane 54c of paddle wheel fan；54a. blows the outer ring 54a of paddle wheel fan；

RC. it is insurance RC；

K. it is double-pole switch K；

L. it is inductance L；

C. it is capacitance C；

M. it is series excited machine M；

TC. it is bidirectional triode thyristor (TC)；

DC. it is bidirectional triode thyristor (DC)；

R1. it is resistance (R1)；

R2. it is resistance (R2)；

R3. it is variable resistance (R3)；

C2. it is capacitance (C2)；

K3. it is speed-regulating switch (K3).

Specific implementation mode

Operation pedestrian preferably puts on safety goggles and mask, also uses shoulder by liking and being accustomed to selection foliage pressure-vacuum machine Band 43 be sleeved on shoulder and casing on；The telescoping tube of pressure-vaccum is pulled out, rotating speed is adjusted, mixes up assist handle；It checks power supply, mixes The long line of enough power supplys, checks again for insuring, and by operation instructions, runin once, has checked leaf area without cullet and electricity Line can just make under secure conditions of foliage pressure-vacuum machine, while notably rain situation.

The specific implementation mode that just its technical problem of present invention solution is taken again below is made to explain in detail：

Because of a kind of improvement of low vibration foliage pressure-vacuum machine, including installing movable assist handle, dust bag bracket and bundle additional The improvement of mouth, i.e. bodice upper casing dust mouth adds soft, blows impeller and cutting edge, circuit is added to add in insurance and biswitch and blower The material and honeycomb of additional silencing vibration-damping, idler wheel are changed to turn to, and single protruded tube is changed to more protruded tubes or flexible folding A variety of synthesis improvements of pipe, so operating handle and effect have change.Because of the improved low vibration foliage pressure-vacuum Machine, by tapping screw 1, bodice upper casing 2, power cord 3, cable cover(ing) 4 switchs trigger 5, switch trigger spring 6, terminal board 7, Cable pressing plate 8, capacitance 9, tapping screw 10, main switch 11, governor 12, rubber sheet gasket 13, motor 14, fan blade gasket 15 are blown Impeller 16, hex nut 17, fan blade patch 18, tapping screw 19 rotate shaft-cup 20, spring 21, baffle ring 22, pressure-vaccum change-over panel 23, bodice bottom case 24, safety switch 25, rotation axis 26, pressure-vaccum converts turn-knob 27, and side button 28, torsional spring 29, torsion axis 30 stretches The draw 31, shaft block ring 32, wheel 33, wheel shaft 34, dust bag bracket 35, dust bag 36, hexagon-headed bolt 37, square auxiliary Handle knob 38, tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42, shoulder strap 43 and nylon cable tie 44,45 or more protruded tube 46 of elastic collision bead autonavigator or flexible folding pipe 47, more protruded tubes 48 of blowout are formed； The tapping screw 1 is multiple, fixes the bodice upper casing 2 and bodice bottom case 24；When its assembly method, self tapping is beaten The screw pneumatic screw batch or electric screwdriver for determining torque, so that torque is rationally uniform；Again because of the bodice upper casing 2 and bodice bottom case 24 be that the right dress of a first from left closes, contain handle part, assist handle position, protruded tube limiter position, horse Up to spiral case position, pressure-vaccum changes a position, dust mouth position and several plug-in positions；In the bodice that the right dress of a first from left closes On the handle part of upper casing 2 and bodice bottom case 24, it is packed into the power cord 3 according to this, cable cover(ing) 4 switchs trigger 5, switch Trigger spring 6, terminal board 7, cable pressing plate 8, capacitance 9, tapping screw 10, main switch 11, governor 12；It is left described one On the motor spiral case position for the bodice upper casing 2 and bodice bottom case 24 that one right dress closes, it is packed into the rubber sheet gasket 13, electricity according to this Machine 14, fan blade gasket 15 blow impeller 16, hex nut 17, fan blade patch 18；The right dress of described the first from left close it is big with The pressure-vaccum of shell 2 and bodice bottom case 24 changes a position, is packed into the tapping screw 19 according to this, rotates shaft-cup 20, spring 21, gear Circle 22, pressure-vaccum change-over panel 23, bodice bottom case 24, safety switch 25, rotation axis 26, pressure-vaccum convert turn-knob 27；It is left described one The protruded tube limiter position for the bodice upper casing 2 and bodice bottom case 24 that one right dress closes, is packed into the side button 28, turns round according to this Spring 29, torsion axis 30 and telescoping tube 31；The telescoping tube 31 is interconnected containing cylinder and square tube and in front, and is set in front lower portion There is peace wheel position；At the peace wheel position that the front lower portion of the telescoping tube 31 is equipped with, it is packed into the shaft block ring 32 according to this, Wheel 33, wheel shaft 34；At the dust mouth position for the bodice upper casing 2 and bodice bottom case 24 that the right dress of a first from left closes, it is equipped with soft With piece 2a；Described soft be at least a piece of or multi-disc, such as three pieces, shown in such as Fig. 4, Fig. 5 and Figure 11；Described soft It is usually provided at upper casing, it is all set depending on type difference, or in two shells；Described soft is typically directly moulded on shell, is in three Angular or oblique quadrangle or trapezoidal；Alternatively, described soft is not directly injection-moulded on shell, then flexible material, such as fiber are used Fabric, so blowout sundries is unlikely to too violent when entering bag, sack is not easy to；Again because in the right dress conjunction of a first from left Card slot there are two being set outside the dust mouth position of bodice upper casing (2) and bodice bottom case (24), therefore hang dust bag bracket convenient for card 35 and dust bag 36；Again because of the dust bag bracket 35, it is equipped with hook 35a, links up with muscle 35b, links up with sideshake 35c, and big Bagging circle 35d and small bagging circle 35e；Original hook muscle 35b, only 2, support force is poor, causes hook 35a to have loose once in a while It is de-；It is now changed to hook muscle 35b, there are 3 or more, support force is higher so that hook 35a is not easy to loosen；The dust bag (36) It is made by fabric, equipped with marching and two related hanging buckles, convenient for making hanging buckle hang over the extension at the plug-in position on the shell On hook；And it marches to go to pour out broken leaf to pull open bag and use；Again because using a kind of improvement of dust bag bracket bundle sack Method：It gets out the commercially available nylon cable tie 44 for having barb button first, is placed in the fabric of dust bag 36, Bao Zhizai With sewing mechanism at suture 36, then opens and march, the suture 36 of the fabric of the dust bag 36 prepared is encased side Band 44 is put between the big bagging circle 35d and small bagging circle 35e of the dust bag bracket 35, from the big opening part marched, It puts in pliers, tenses the nylon cable tie 44 for having barb button, and cut off too long of band just into and easy to manufacture, bag and firm；Again Because at the assist handle position for the bodice upper casing 2 and bodice bottom case 24 that the right dress of a first from left closes, according to this described in loading Hexagon-headed bolt 37, square assist handle knob 38, tapping screw 39, auxiliary handle lid 40, auxiliary handle bottom 41, M6 nuts 42, constitute movable assist handle；On the auxiliary handle lid 40 of the assist handle, referring to Fig. 6, Fig. 7 and Figure 10, if There is arc-shaped connection handle 40a, therefore convenient for protection the back of the hand, it is additionally provided with multiple stupefied 40b of radiation tooth of end, also advantageous screens.It is former Auxiliary handle 2b on the pressure-vaccum casing for another style having is as shown in figure 11 fixed, auxiliary handle not as mentioned Lid 40 is smoothly grabbed well.

Because using a kind of improved safety electricity added with insurance protection of low vibration foliage pressure-vacuum machine provided by the invention Road, thus it is safer.A kind of improvement of low vibration foliage pressure-vacuum machine contains the safety circuit added with insurance protection, referring to Circuit diagram as shown in figure 25 insures RC, double-pole switch K, inductance L, capacitance C, and the string equipped with winding by terminal board 7 Swash motor M and governor 12 is formed；The governor 12 is by bidirectional triode thyristor TC and bidirectional triode thyristor DC, resistance R1, resistance R2, variable resistance R3, capacitance C2 and speed-regulating switch K3 are formed；The present invention is specially added with double-pole switch K and insurance RC uses fuse, or with electrothermal relay, or with overcurrent protector, in the hope of safer；Why existing insurance in power supply, also Add insuranceBecause power supply source is also for many places, insurance is often too big, does not fit into this money foliage pressure-vacuum machine；Described Variable resistance R3 and speed-regulating switch K3 is substantially potentiometer, when being rotated, the angle of flow of bidirectional triode thyristor can be made to become Change, keep motor speed adjustable, is then at full speed when going to endpoint makes speed-regulating switch be closed.

Because using a kind of improvement of low vibration foliage pressure-vacuum machine, taken using difference especially in accordance with different type of machines The material matched, containing subtracting vibration arrangement inside and outside blower and in many places of blower plus-minus shake deadener and honeycomb structure, It is the major contribution of the present invention, so shock-absorbing and noise-eliminating scheme can be additionally used in other multiclass such as grass-mowing machine and dust catcher.Because in motor The dynamic foamed plastics of additional vibration damping, and shake deadener is added and subtracted in many places of blower, and set in the air duct many places blown and inhaled Set honeycomb structure, 43 at the signal such as vibration-absorbing and silencing of Fig. 4 shown in；Inside and outside casing and inside and outside each telescoping tube, if many places subtract Shake noise elimination honeycomb structure, be in many a dense interconnections hexagon and Wedge structure containing noise elimination, density and its breadth depth ratio, It is related with the vibration parameters of blower and noise properties, it repeatedly to test；Inside and outside casing and each telescoping tube is inside and outside and motor Outside, the shock-absorbing and noise-eliminating material of installation, or with metallic fiber or nonmetallic materials, filling or half is filled；Or the suction with resistance to medium temperature Sound material especially sound-absorbing porous material or flexible material and film material；The porous material can be fiber-like, foam Class, particulate species, be applied alone it is good, more or less mixing application it is good；Usable fibers class such as rock wool or glass fiber or mineral wool are special It is not super glass wool；Or with foam class, as at motor, fireproof at warm raising；Or with particulate species such as expanded pearlite The fabric of rock, porous clay brick and heatproof, felt are filled, or are attached；The honeycomb structure also prefabricated can afterwards attach, or mixed Molding pressure.Since the acoustic absorptivity (standing-wave-tube method acoustic absorptivity, reverberation method acoustic absorptivity) of each material is different, incident angle pair Acoustic absorptivity also has an impact, and some is preferable to high frequency sound absorption, and some is preferable to Low Frequency Sound Absorption, and multiple material has complementary Efficiency, vibration involve noise and are reflected, and convert, and absorb, decaying, therefore are conducive to further improved performance index.

The attachment of original blower product only has shoulder strap 43, hangs on shell and the back of the body is on operator's shoulder；The present invention is built View, improved low vibration foliage pressure-vacuum machine add mask, gloves and safety goggles and insurance or even long line in its attachment, Therefore product specification is not only improved, but also facilitate user.

Because of a kind of improvement of low vibration foliage pressure-vacuum machine, containing the improvement that impeller adds cutting edge is blown, i.e., leaf is blown in described It takes turns and is equipped with cutting edge, such as Fig. 8, and the cutting edge of amplification is as shown in figure 18, it is the 16a of cutting edge containing top and side week cutting edge 16b, described Blowing impeller blade top surface and blowing the positive angle of impeller blade for top cutting edge 16a is acute angle；And the side week cutting edge 16b Blow impeller blade lateral circle surface and blow the positive angle of impeller blade also be acute angle；It is described blow cutting edge that impeller adds or It is shorter along the edge of face of blade part, or along the big portion head in edge；Its cutting edge is straight sword or arcuate blade, or more foldings Sword, and its arcuate blade is archimedes line or parabola.As an improvement, blowing impeller described also or can separately be equipped with sword Steel knife, such as use strip-shaped cutter；As an improvement, being blown on impeller blade in described, can also set containing multiple oval and hexagonal Noise reduction hole, this advantageous fragment and pressure-vaccum.

Because the idler wheel on contact ground is changed to turn to, becomes and easily turn to blower, not only increase the another of blower One designs and varieties, and meet some operation pedestrians and like and when custom blower, when especially encountering corner place , glance right and left and turn over angle and carry out pressure-vaccum to facilitate the requirement of work.Again because of the wheel 31 lower head of original telescoping tube Pedestal is split, and makes an independent part axle stand 31a, and wheel shaft is placed in 31 lower head of original telescoping tube The place of frame sets a hole, to be inserted into the vertical shaft of the ring card slot on the axle stand 31a, as shown in the explosive view of Figure 23；Its It is remaining with it is original as, be still to wear wheel shaft 34 in axle stand 31a, then set up one wheel pairs 33, respectively load onto shaft block ring 32, institute With also more convenient.

Because using improvement, i.e., as shown in Figure 20 and Figure 22, single cylinder that stretches out is changed to more protruded tubes 46, and set and determine automatically Position device, such as elastic collision bead autonavigator 45 or the autonavigator of collision block or the autonavigator of torsional spring, and do not have to People is gone with hand by button again, therefore reduces volume, arbitrarily pulling-down can be both automatically positioned in place, and improved work efficiency, reduce transport Cost.The more protruded tubes 46 to match with autonavigator are more piece, such as 4 sections；More protruded tubes 46 be all provided with it is fluted with Locator is adapted to.

Because using significant improvement, the principle for the telescopic antenna that can freely draw in pull-out has been associated, it has been improved simultaneously It uses blower and makees more protruded tubes 46, as shown in figure 24, small suction pipe might as well be called more protruded tubes 48；More stretchings The feature of pipe 46 and more protruded tubes 48 is one end in-flanges, and other end flanging；And its in single file one section connect a section, be More piece, minimum 4 section, therefore pull-out or return are freely, because there is convex-concave screens at its flange.Because the pipe range of blower presses standard Such as IEC60335-2-100, or press standard such as BSEN15503：2009, only 0.9 meter, therefore rod length is can to implement 's.

Again because using another significant improvement, the principle for the accordion that can freely draw in pull-out has not only been associated, with And common dust catcher and washing machine fold hose, and it is improved and uses blower and makees more protruded tubes, such as Figure 21 institutes Show, pipe might as well be called flexible folding pipe 47；For convenience of positioning, or it is used in combination with more protruded tubes (48)；The flexible folding pipe 47 are characterized in：It has multiple foldings, no matter its section side of being circle or other shapes, the adjacent ring of pipe Week be a great circle one it is small enclose the land it is spaced i.e. a slubbing connects a details in single file, section is more piece, minimum 4 section or more It is more；Alternatively, the tubing flexible material such as fabric of the flexible folding pipe 47, cloth, plastic film, while being set along flexible pipe interval There are multiple rings, or in or beyond flexible pipe, suit helical spring is as interval ring, to support and draw in pull-out；It should Helical spring is sparse and flexible, therefore can substantially be withdrawn.

Again because using a kind of improved another item important offer of the present invention to low vibration foliage pressure-vacuum machine, as carry The method containing laser of height manufacture and assembly precision improves motor and blows impeller concentricity and survey dynamically balanced existing essence Close moulding part has the improved method that laser sights tooling again, therefore product quality is improved.Because of the vibration and noise of blower Very big root so to improve motor and blow impeller concentricity, and will be surveyed flat in the precision and geometric tolerance of power and tool Weighing apparatus, in the hope of the low vibration low noise to blower, this hard nut to crack left for a long time has certain curative effect；First, from drawing The requirement to geometric tolerance is improved in design, such as to motor and the requirement for blowing impeller assembly concentricity and geometric tolerance, also It increases motor and blows impeller interference volume, then pressed with reinforcing frock clamp；Moreover it is prepared with numerical control CNC machining centers accurate Mold, and such as blow plastic impeller and post-process, main method are to use high-temperature vapour method, preferably steam enough three hours with On, therefore plastic part size is unlikely to deform and loses shape；Secondly, to improve motor and blowing impeller concentricity, when assembly, using dedicated school Quasi- motor and the tooling press for having laser to sight for blowing impeller assembly concentricity after pressing, and are surveyed dynamic balancing through bulk sampling and are repaiied Producing line is just just gone up, and last complete machine also samples and surveys dynamic balancing, therefore be aided with many places shock-absorbing and noise-eliminating material again, one is constituted with regard to synthesis Kind has improved and vibration damping, safety, handy high-grade low vibration foliage pressure-vacuum machine.

The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety door, is There cannot be 8 millimeters or more of straight stick from the direction of the close dust bag of the dust mouth of upper casing for meet new safety defined Detect the requirement of the fan inside blower and make security protection, the safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are formed, and are equipped with safety in the dust bag bracket (35) and are gated The face (50b) of stirring of item (49) processed, the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the peace Air cock control strip (49) is made of control strip sharp (49c), control strip curved surface (49a), control strip inclined wedge, the safety door (50) folding, when not installing dust bag bracket (35), the safety are controlled by the safety door control strip (49) Door (50) keeps original state to make security protection to be closed, and stirs face (50b) and opens in the dust mouth of the upper casing (2) of blower Outside；When installing dust bag bracket (35), control strip sharp (49c), the control strip of the safety door control strip (49) are bent Face (49a), control strip inclined wedge push the face (50b) of stirring of the safety door (50) that the safety door (50) is made to turn on according to this, make Another part passes through dust mouth periphery to the part band sundries for the disorderly vortex of main pressure-vaccum stream mixed by the middle part of dust mouth Noise reduction honeycomb wedge (50d) and the air-permeable layer (50c) of the safety door (50) turned in portion and failure are to there is noise reduction work With.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that the part face for stirring face (50b) of the safety door (50) is that have pressure angle equal logatithmic spiral everywhere Face.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；Many wedge composition points How stupefied structure is split, the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The root of the noise reduction honeycomb wedge (50d) of the safety door (50) is hexagon, is to reduce from root to top , substantially its breadth depth ratio is 1 to one point six, and the top of the hexagonal pyramid shaped wedge in each wedge (50d) Equipped with micropore, approximate diameter is advisable at 0.1 to 0.5 millimeter；It is in multi-prism taper that the wedge, which is equipped with many protrusions,；It is many Wedge forms the how stupefied structure of wedge, and the arrangement in face is honeycomb.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The head of the control strip of the safety door control strip (49) sharp (49c) is at an acute angle.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The part curved surface of the control strip curved surface (49a) of the safety door control strip (49) is tool pressure angle phase everywhere Etc. the logatithmic spiral of characteristics face.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The control strip inclined wedge of the safety door control strip (49) is the inclined wedge shape for being slightly in concentric reducer.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door is equipped with the through-hole that multiple diameters are less than 8mm.

Continuously improve the low vibration foliage pressure-vacuum of the perfect tool pressure angle safety door of equal logatithmic spiral everywhere Machine, it is characterized in that：The air-permeable layer (50c) of the safety door be equipped with multiple major diameters less than 8mm ellipse through-hole in favor of Noise reduction.

The low vibration foliage pressure-vacuum machine of the tool pressure angle safety door of equal logatithmic spiral everywhere is equipped with the safety door, is There cannot be 8 millimeters or more of straight stick from the direction of the close dust bag of the dust mouth of upper casing for meet new safety defined Detect the requirement of the fan inside blower and make security protection, the safety door (50) by shaft (50a), stir face (50b), air-permeable layer (50c), noise reduction honeycomb wedge (50d) are formed, and are equipped with safety in the dust bag bracket (35) and are gated The face (50b) of stirring of item (49) processed, the safety door (50) is the face for having pressure angle equal logatithmic spiral everywhere, the peace Air cock control strip (49) is made of control strip sharp (49c), control strip curved surface (49a), control strip inclined wedge, when safety door (50) Original state is kept to make security protection to be closed, the disorderly vortex of main pressure-vaccum stream mixed passes through the safety door turned on when operating (50) noise reduction honeycomb wedge (50d) and air-permeable layer (50c) and failure are to there is Noise Reduction.

Portable tool stator connects the usefulness for blowing leaf machine of fan blade rotation and brushless motor that rotor does not turn：Because it is containing tool Stator connects fan blade rotation and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct 51, preceding shunting Conehead 52, interior winding 53c, blows paddle wheel fan 54, motor stator shell 55, middle air duct 56, motor fore bearing at inner rotor shaft 53 Bearing 53b, rear bearing flange seat 57, the rear air duct 58 of tool spreader 58a, air duct guard ring 59,60 institute of denoiser after 53a, motor The rear air duct 58 and air duct guard ring 59 of composition, the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a are successively Connect；The preceding air duct 51 is equipped with horn mouth 51a, and function of the outer profile curve of the horn mouth 51a containing higher mathematics is bent The quadratic hyperbola of line, to subtract turbulent flow；And the preceding air duct 51 be equipped with it is multiple tool rectangular through holes preceding bayonet 51h, so as to Multiple triangle overhead kick screens 56h that the middle air duct 56 is equipped with are matched；Shunting conehead 52 is mounted in described before described The front end of armature spindle 53 is simultaneously firm with axis cushion card, and the motor fore bearing is installed in the front end of the inner rotor shaft 53 The inner ring of 53a shunts the frustum of a cone 52a that conehead 52 is equipped with protrusion, the apical ring of the frustum of a cone and the motor front axle before described The inner ring for holding 53a is connected；Bearing 53b after the motor is installed in the rear end of the inner rotor shaft 53, after the motor The inner ring of bearing 53b is connected with the rear end of the interior wound rotor axis 53；The outer shroud of bearing 53b and institute after the motor Rear bearing flange seat 57 is stated to be connected, it is described after bearing flange seat 57 be equipped with multiple threaded hole 57a, so as to the apoplexy The multiple threaded block 56f along air duct central axes uniformly around arrangement of cylinder 56 being equipped with are connected, and the middle air duct 56 is equipped with Multiple radial direction width 56c connect the multiple threaded block 56f for being evenly distributed with along air duct central axes and surrounding arrangement, the middle air duct 56 Multiple radial width slot 58b phases that the multiple radial width 56c being equipped with also are equipped with the rear air duct 58 of the tool spreader 58a Corresponding matching；The silicon steel sheet group of the bearing flange seat 57 and interior winding 53c is fixedly mounted with after described；Shunting conehead 52 before described Excircle is fixedly mounted with the motor stator shell 55, and ring week multi-disc permanent magnetic strip group is fixedly mounted in the motor stator shell 55, described The periphery of motor stator shell 55 be fixedly mounted with it is described blow paddle wheel fan 54 blow paddle wheel fan inner lane 54c, it is described to blow paddle wheel fan 54 Radial center be projected in after the motor fore bearing and the motor between bearing or the diameter for blowing paddle wheel fan 54 To being projected in after the motor fore bearing and the motor between bearing and close to bearing after the motor, essence for center It is that the mechanics of materials changes the radial component to blow paddle wheel fan 54 that long cantilever fine strain of millet is short cantilever fine strain of millet or single beam as power and to blow The problem of projection of the radial center of paddle wheel fan 54 is the arm of force at a distance from the centre of sphere of bearing after the motor；It is described to blow leaf Take turns the projecting at a distance between the centre of sphere of bearing after the motor and before motor in motor axis of the radial center of fan 54 The ratio between the distance between centre of sphere of bearing is not more than one to two afterwards；The arm of force is short, and outlet air is made to increase, the brushless horse What is reached blows more than 30,000 turns of the practical turn up of leaf machine；The line outlet groove 56XC being equipped with and the tool spreader of the middle air duct 56 The winding displacement groove 58XC phases that the rear air duct 58 of 58a is equipped with match to discharge three electric wires of the interior winding 53c；In described Air duct 56 is equipped with slot 56d in the outer shroud week along the uniformly distributed multiple threaded block 56f around arrangement in air duct central axes being equipped with It is connect with the spreader 58a being equipped with the rear air duct 58 of the tool spreader 58a；The rear air duct 58 of the tool spreader 58a Multiple triangle overhead kick screens that it is equipped with the air duct guard ring 59 equipped with multiple rear bayonet 589h for having rectangular through holes 59h is matched；The noise reduction member 60 by many facings containing sound-absorbing material thickly dotted polygonal pyramid institute group not of uniform size Diffused at, many places the rear air duct 58 for being distributed in the preceding air duct 51 and the middle air duct 56 and the tool spreader 58a and The inner surface of air duct guard ring 59, also many places diffuse the surfaces externally and internally for being distributed in the spreader 58a, with profit absorb sound and sound insulation； Or the air duct is adapted as plus is simplified silencer, it is equal along air duct central axes in being equipped with for the middle air duct 56 Multiple threaded block 56f's of the circular arrangement of cloth is equipped with slot 56d outer shroud weeks with the rear air duct 58 with the tool spreader 58a The position for the spreader 58a connections being equipped with every living, and set on the tool spreader 58a multiple hush tube small through hole and with The noise reduction member 60 being equipped with is made jointly by the thickly dotted polygonal pyramid not of uniform size of many facings containing sound-absorbing material With and many places diffuse and be distributed in the surfaces externally and internally of the spreader 58a, air-flow through the preceding air duct and after blowing paddle wheel fan the One big cavity just squeezes into the outer of the spreader 58a because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living Multiple hush tube small through hole on surface and carry out first compression and enter the second largest cavity of the inner surface of the spreader 58a Primary expansion is carried out, the gas by first compression expansion is entering the second largest cavity of the inner surface of the spreader 58a again It flows backward, until having crossed the position of the connection for going to middle air duct and rear air duct because of preceding air duct behind the position lived, just Squeeze into multiple hush tube small through hole of the latter half of inner surface of the spreader 58a and described in carrying out second-compressed and entering The outer surface of spreader 58a and the of the spreader of the rear air duct 58 of the tool spreader 58a and the shell of rear air duct Three big cavitys carry out reexpansion again, then are blown out from multiple flat outlets of the air duct guard ring 59, complete multiple compression-expansion Noise elimination process, be conducive to sound absorption and eliminate the noise and noise abatement.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the projection in motor axis of the radial center for blowing paddle wheel fan 54 and bearing after the motor The ratio between the distance between the distance between centre of sphere and the centre of sphere of motor front and back bearings subtract the arm of force with profit no more than one to three and subtract amount of deflection And it is steady.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 is close and numerous by many a sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size form so as to noise reduction.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size The hexagonal pyramid to differ forms so as to noise reduction.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 by many sound-absorbing material facings suppressed containing leaf thickly dotted size not One hexagonal pyramid shaped wedge forms so as to noise reduction.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction member 60, which diffuse, is distributed in institute The hexagonal pyramid for stating the surfaces externally and internally of spreader 58a be have through-hole so as to noise reduction sound-deadening.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the noise reduction member 60 is diffused by many places of the sound-absorbing material facing of many compactings containing leaf is distributed in institute State being made of so as to noise reduction sound-deadening the hexagonal pyramid shaped wedge of through-hole for the hexagonal pyramid of the surfaces externally and internally of spreader 58a.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the surfaces externally and internally of the spreader 58a has the parabola shaped disorderly to drop of the function curve of higher mathematics Stream.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that many places of the sound-absorbing material facing of many compactings containing leaf of the noise reduction member 60, which diffuse, is distributed in institute State the hexagonal pyramid of the surfaces externally and internally of spreader 58a have the hexagonal pyramid shaped wedge of through-hole be tool middle part have a larger cavity and Surfaces externally and internally has compared with small through hole, so as to noise reduction sound-deadening.

Continuously improve that the perfect portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf Machine, which is characterized in that the flat outlet of the air duct guard ring 59 having is jujube core shape pointed at both ends, so as to noise reduction sound-deadening.

The portable tool stator of regeneration product noise reduction connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine in fact Matter be the mechanics of materials change cantilever fine strain of millet structure be single beam structure the problem of and air duct change silencer well；But people is just intended to not It arrives.Rotor portion to be stretched out a very long thin motor output shaft to get rid of, not in the length of the axial outside of motor Motor is realized on extension line and blows the connection of paddle wheel fan, avoids fatal hard nut to crack, motor and is blown between paddle wheel fan Output shaft or else can form the long cantilever fine strain of millet structure of a mechanics of materials, the position section between the bearing at motor both ends is directly If blowing paddle wheel fan center, the length to remove the stretching of output shaft is that the arm of force and the radial centrifugation blown on paddle wheel fan divide The prodigious harmful inclined torque that power is formed for inclined power does not consume a large amount of motor excessively and contributes, do not increase axis amount of deflection and Rotary inertia square, to no longer restrict blower or blow the high speed strength outlet air of leaf machine；Solves world-famous puzzle.Inventive concept Method is uncommon to cast a brick to attract jade.

Claims (10)

1. portable tool stator connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, which is characterized in that it is fixed containing tool Son even fan blade rotation and air duct that brushless motor that rotor does not turn is used as power, the air duct, by preceding air duct (51), preceding spreader Head (52), interior winding (53c), blows paddle wheel fan (54), motor stator shell (55), middle air duct (56), horse at inner rotor shaft (53) Rear air duct (58), the wind of bearing (53b), rear bearing flange seat (57), tool spreader (58a) after up to fore bearing (53a), motor Cylinder guard ring (59), denoiser (60) are formed, the preceding air duct (51) and the middle air duct (56) and the tool spreader (58a) Rear air duct (58) and air duct guard ring (59) connect successively；The preceding air duct (51) is equipped with horn mouth (51a), and the loudspeaker The quadratic hyperbola of function curve of the outer profile curve containing higher mathematics of mouth (51a), to subtract turbulent flow；And the preceding air duct (51) Preceding bayonet (51h) equipped with multiple tool rectangular through holes, so as to the multiple triangle overhead kicks being equipped with the middle air duct (56) Screens (56h) matches；Shunting conehead (52) is mounted on the front end of the inner rotor shaft (53) and with axis cushion before described Card jail, the front end of the inner rotor shaft (53) install the inner ring of the motor fore bearing (53a), conehead are shunted before described (52) it is equipped with the frustum of a cone (52a) of protrusion, the apical ring of the frustum of a cone is connected with the inner ring of the motor fore bearing (53a)； Bearing (53b) after the motor is installed in the rear end of the inner rotor shaft (53), the inner ring of bearing (53b) after the motor It is connected with the rear end of the inner rotor shaft (53)；The outer shroud of bearing (53b) and the rear bearing flange seat after the motor (57) it is connected, the rear bearing flange seat (57) is equipped with multiple threaded holes (57a), so as to the institute with the middle air duct (56) What is be equipped with is connected along the uniformly distributed multiple threaded blocks (56f) around arrangement in air duct central axes, and the middle air duct (56) is equipped with multiple Radial width (56c) connection is described to be evenly distributed with multiple threaded blocks (56f) around arrangement along air duct central axes, the middle air duct (56) Multiple radial width slots that the multiple radial width (56c) being equipped with also are equipped with the rear air duct (58) of the tool spreader (58a) (58b) corresponding cooperation；Bearing flange seat (57) and the silicon steel sheet group of the interior winding (53c) are fixedly mounted with after described；Divide before described The excircle of flow cone head (52) is fixedly mounted with the motor stator shell (55), and it is more that ring week is fixedly mounted in the motor stator shell (55) Piece permanent magnetic strip group, the periphery of the motor stator shell (55) be fixedly mounted with it is described blow paddle wheel fan (54) blow paddle wheel fan inner lane (54c), the radial center for blowing paddle wheel fan (54) are projected in after the motor fore bearing and the motor between bearing, Its essence is the long cantilever beam that changes of the mechanics of materials is short cantilever beam or simply supported beam to blow the radial direction point of paddle wheel fan (54) Power be power and using blow paddle wheel fan (54) radial center projection at a distance from the centre of sphere of bearing after the motor as the arm of force Problem；The radial center for blowing paddle wheel fan (54) motor axis projection and the motor after bearing the centre of sphere between The ratio between the distance between the centre of sphere of distance and motor front and back bearings be not more than one to two；The arm of force is short, and outlet air is made to increase, More than 30,000 turns of the practical turn up for blowing leaf machine of the brushless motor；The line outlet groove of the middle air duct (56) being equipped with (56XC) mutually matches to discharge in described with the winding displacement groove (58XC) that the rear air duct (58) of the tool spreader (58a) is equipped with Three electric wires of winding (53c)；Being equipped with for the middle air duct (56) is uniformly distributed around the multiple spiral shells arranged along air duct central axes It is equipped with the shunting that slot (56d) is equipped with the rear air duct (58) with the tool spreader (58a) the outer shroud week of line seat (56f) Bore (58a) connection；It is described tool spreader (58a) rear air duct (58) be equipped with it is multiple tool rectangular through holes rear bayonets (589h) its It is matched with multiple triangle overhead kick screens (59h) that the air duct guard ring (59) is equipped with；The denoiser (60) is by many The thickly dotted polygonal pyramid not of uniform size of a facing containing sound-absorbing material is formed, and many places, which diffuse, is distributed in the preceding air duct (51) and the middle air duct (56) and it is described tool spreader (58a) rear air duct (58) and air duct guard ring (59) inner surface, Also many places diffuse the surfaces externally and internally for being distributed in the spreader (58a) for it, are absorbed sound and are insulated against sound with profit；Or the air duct is adapted as Add simplified silencer, is uniformly distributed around the multiple spiral shells arranged along air duct central axes in being equipped with for the middle air duct (56) It is equipped with the shunting that slot (56d) is equipped with the rear air duct (58) with the tool spreader (58a) the outer shroud week of line seat (56f) The position of (58a) connection is bored every living, and sets multiple hush tube small through hole on the spreader (58a), and with the institute that is equipped with State the thickly dotted polygonal pyramid collective effect not of uniform size by many facings containing sound-absorbing material of denoiser (60), many places Diffuse the surfaces externally and internally for being distributed in the spreader (58a), first big sky of the air-flow through the preceding air duct and after blowing paddle wheel fan Chamber just squeezes into the outer surface of the spreader (58a) because preceding air duct goes to the position of the connection of middle air duct and rear air duct every living Multiple hush tube small through hole and the second largest cavity carrying out first compression and enter the inner surface of the spreader (58a) carries out one Secondary expansion, the gas by first compression expansion are entering the second largest cavity of the inner surface of the spreader (58a) again backward Flowing, the position until having crossed the connection for going to middle air duct and rear air duct because of preceding air duct are just squeezed into behind the position lived Multiple hush tube small through hole of the latter half of inner surface of the spreader (58a) and carry out second-compressed and enter the shunting Bore the outer surface of (58a) and in the spreader of the rear air duct (58) of the tool spreader (58a) and the shell of rear air duct The third-largest cavity carries out reexpansion again, then is blown out from multiple flat outlets of the air duct guard ring (59), completes multiple compression The noise elimination process of expansion is conducive to sound absorption and noise elimination and noise abatement.

2. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the projection in motor axis of the radial center for blowing paddle wheel fan (54) and bearing after the motor The ratio between the distance between the distance between centre of sphere and the centre of sphere of motor front and back bearings are not more than one to three.

3. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the denoiser (60) is by the thickly dotted of many a sound-absorbing material facings containing straw and leaf pressboard Polygonal pyramid not of uniform size is formed.

4. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the denoiser (60) by many compressed tablets containing leaf sound-absorbing material facing thickly dotted size not One hexagonal pyramid is formed.

5. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the denoiser (60) is by the thickly dotted not of uniform size of many a sound-absorbing material facings suppressed containing leaf Hexagonal pyramid shaped wedge formed.

6. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, many places of the sound-absorbing material facings of many compactings containing leaf of the denoiser (60) diffuse be distributed in it is described The hexagonal pyramid of the surfaces externally and internally of spreader (58a) has through-hole.

7. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the denoiser (60) diffused by many places of many sound-absorbing material facings suppressed containing leaf be distributed in it is described The hexagonal pyramid of the surfaces externally and internally of spreader (58a) is made of the hexagonal pyramid shaped wedge of through-hole.

8. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the function curve of the surfaces externally and internally tool higher mathematics of the spreader (58a) is parabola shaped.

9. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, many places of the sound-absorbing material facings of many compactings containing leaf of the denoiser (60) diffuse be distributed in it is described The hexagonal pyramid of the surfaces externally and internally of spreader (58a) has the hexagonal pyramid shaped wedge of through-hole to be tool middle part to have a larger cavity and interior Outer surface has compared with small through hole.

10. portable tool stator according to claim 1 connects fan blade rotation and brushless motor that rotor does not turn blows leaf machine, It is characterized in that, the flat outlet of the air duct guard ring (59) having is jujube core shape pointed at both ends.