CN101322625A - Pressure-vaccum machine - Google Patents
Pressure-vaccum machine Download PDFInfo
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- CN101322625A CN101322625A CNA2007100232738A CN200710023273A CN101322625A CN 101322625 A CN101322625 A CN 101322625A CN A2007100232738 A CNA2007100232738 A CN A2007100232738A CN 200710023273 A CN200710023273 A CN 200710023273A CN 101322625 A CN101322625 A CN 101322625A
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- blower
- pressure
- host shell
- vaccum annex
- vaccum
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- 238000005452 bending Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The invention relates to a portable blowing and suction machine, comprising a main unit shell, a motor arranged in the shell, a fan which is driven to rotate by the motor, a switch for controlling the rotation of the motor, a blowing and suction accessory which is connected with the main unit shell in a detachable way and a safety mutual interlocking gear arranged between the blowing and suction accessory and the main unit shell; the safety mutual interlocking gear comprises a trigger gear which can motivate a switch only when the blowing and suction accessory is connected with the main unit shell and a lock device for locking the blowing and suction accessory on the main unit shell when the motor is started; the safety mutual interlocking gear further comprises a slide block, when the blowing and suction accessory is separated from the main unit shell, the slide block can restrict the movement of the trigger gear, thus facilitating the installation and connection of the blowing and suction accessory and the main mechanism.
Description
Technical field
The present invention relates to a kind of hand-hold operating apparatus, especially a kind of portable blower that safety interlock mechanism is set.
Background technology
The United States Patent (USP) notification number is that the patent specification of US5604954 has disclosed a kind of blower that is provided with safety interlock mechanism, this safety interlock mechanism is arranged between the volute and main case that holds fan, volute is connected with main case is detachable, when volute is stopped up by dirt such as branches and leaves bits, need in time volute and fan are cleared up and safeguarded; Safety interlock mechanism comprises a trigger button, have only when volute is connected with main case, trigger button could carry out work by the actuatable switches starter motor, and locking device, be used for when electric motor starting, volute being locked in main case, make the blower motor under normal operation, volute can't unload from main case, have only the gauge tap of working as to be closed, motor stops the rotation under the situation of work, annexes such as volute could be disassembled from main case, and volute is in case unload from main case, switch just can't starter motor work, thus avoided fan under the situation that does not have volute to cover at a high speed the rotation incident of hurting sb.'s feelings the safety when safety interlock mechanism can guarantee blower work takes place.
The trigger button of above-mentioned safety interlock mechanism can slide arbitrarily between the primary importance and the second place under volute and state that main case separates, this primary importance is the position that switch cuts out, the second place is the position of switch triggering machine operation, have only when trigger button is positioned at primary importance, volute just can be installed and connected in main case, when trigger button was positioned at the second place, volute just can't be installed with main case and connect, and this has brought inconvenience for the assembling of volute and main case; And, safety interlock mechanism is arranged between volute and the main case, all volute must be set respectively on the blowpipe of blower or the suction pipe, could satisfy the demand under air blowing and the air-breathing different working modes, this has just improved production cost; Certainly, volute also can be provided with one, but has become detachable to be connected again between volute and blowpipe, the suction pipe, and annex is too many in such being arranged so that, assembling is extremely inconvenient, also is unfavorable for storing of blower.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides that a kind of easy to assembly, structure is light and handy, the blower of performance safety.
The present invention is achieved in that a kind of blower, comprise host shell, be arranged at the motor in the housing, drive the fan of rotation by motor, the switch of control motor rotation, the pressure-vaccum annex that removably connects with host shell, and be arranged at safety interlock mechanism between pressure-vaccum annex and the host shell, described safety interlock mechanism comprises a flip flop equipment, have only when the pressure-vaccum annex is connected in host shell, flip flop equipment could actuatable switches, and described safety interlock mechanism further comprises a slide block, when described pressure-vaccum annex separated with main body housing, described slide block had limited the flip flop equipment motion.
A kind of blower, comprise host shell, be arranged at the motor in the housing, drive the fan of rotation by motor, the switch of control motor rotation, the pressure-vaccum annex that removably connects with host shell, and be arranged at safety interlock mechanism between pressure-vaccum annex and the host shell, described safety interlock mechanism comprises a flip flop equipment, have only when the pressure-vaccum annex is connected in host shell, flip flop equipment could touch switch, and described safety interlock mechanism further comprises a slide block, described slide block is by the pressure-vaccum accessory drive, thereby selectively matched with flip flop equipment.
Described safety interlock mechanism is provided with a locking device, is used for when motor starting the pressure-vaccum annex being locked in host shell, on the described pressure-vaccum annex overhanging briquetting is set, and described slide block is provided with the convex shoulder, and described overhanging briquetting selectively connects with the convex shoulder; Described pressure-vaccum annex is provided with hook, and described locking device is provided with engaging piece, the selectable engagement locking of described hook and engaging piece; Described pressure-vaccum annex comprises fixedly connected aspiration channel and blower, and described aspiration channel is positioned at the top of blower, and aspiration channel is consistent with the bearing of trend of blower; Described aspiration channel is provided with the main part that extends along a longitudinal axis, and is angle with axis kink is set, and described aspiration channel is consistent with the bearing of trend of the main part of blower; The development length of described blower is less than the development length of aspiration channel, and the development length of described blower is concordant with the kink of aspiration channel.Described blower is provided with the tube wall opening, and the outer wall of close described aperture position is provided with volume adjusting apparatus.Be provided with guiding mechanism between described aspiration channel and the blower, the air-flow that is used for selecting from opening leads.
Compared with prior art, the invention has the beneficial effects as follows: owing in safety interlock mechanism, be provided with slide block, make the motion of flip flop equipment when the pressure-vaccum annex separates with the main casing machine be subjected to the prevention of slide block, make the installation of pressure-vaccum annex and main case connect convenient and swift; Be provided with because pressure-vaccum pipe one connects, safety interlock mechanism is arranged between the volute of pressure-vaccum annex and main case, makes the pressure-vaccum annex not need to be provided with in addition volute and just can satisfy the pressure-vaccum demand, and structure is lighter and handier; Safety interlock mechanism is arranged so that the blower service behaviour is safer; The detachable connection between pressure-vaccum annex and the main case, be more conducive to collection and store.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the front view of blower of the present invention.
Fig. 2 is the cutaway view of blower of the present invention along main apparent direction.
Fig. 3 A be according to Fig. 1 along A-A direction cutaway view, this moment, the air quantity governor motion was in closed condition.
Fig. 3 B be according to Fig. 1 along A-A direction cutaway view, this moment, the air quantity governor motion was in adjustment state.
Fig. 4 is according to the local enlarged diagram during safety interlock mechanism engagement among Fig. 2.
The schematic diagram of safety interlock mechanism original state when Fig. 4 A is the pressure-vaccum annex of blower of the present invention and host shell released state.
Fig. 4 B is the schematic diagram of the pressure-vaccum annex of blower of the present invention safety interlock mechanism when being installed and connected in host shell.
Fig. 4 C is the pressure-vaccum annex of blower of the present invention switch triggering view when being installed and connected in host shell.
Cutaway view when Fig. 5 is blower host shell of the present invention and pressure-vaccum annex released state.
Fig. 6 A is blower of the present invention manual schematic diagram of operator fill order under suction condition.
Fig. 6 B is blower of the present invention manual schematic diagram of operator fill order under the air blowing state.
Wherein: 1, blower 10, pressure-vaccum annex 20, safety interlock mechanism
2, host shell 11, aspiration channel 21, trigger mechanism
2a, motor shell 11a, air inlet 21a, contact
2b, volute 12, blower 21b, stop portion
3, motor 12a, air outlet 21c, stop portion
4, fan 13, grid opening 22, slide block
5, operating grip 14a, main part 22a, convex shoulder
5a, the first connecting portion 14b, kink 22b, stop portion
5b, second connecting portion 15, dust outlet tube 23, spring
6, lead 16, volume adjusting apparatus 24, locking mechanism
7, switch 17, pressure-vaccum switching mechanism 24a, press section
8, opening 17a, control knob 24b, hook
9, air-out guider 17b, adjusting turnover panel 25, spring
9a, spigot surface 19, engaging piece X1 (X2), connecting portion axial line
9b, side plate washer β, bending angle Y, axle center of motor line
9c, lagging
The specific embodiment
The present invention has come out with the manual portable blower of a kind of fill order, this pressure-vaccum function is changed between air blowing and air-breathing two kinds of different mode of operations, the operator only need just can realize the pressure-vaccum conversion fast by regulating simply, apace, also can be easily fan and volute be cleared up and safeguarded, and can guarantee that blower can both carry out work blowing, inhale under the mode of operation under safe condition, and it is very convenient to assemble, and structure is light and handy, and is simple to operate.
Referring to Fig. 1, shown in Figure 2, blower 1 is provided with host shell 2, it comprises motor shell 2a that holds motor 3 and the volute 2b that holds fan 4, the impeller of fan 4 has the function of pulverizing to leaf under the rotation at a high speed, motor shell 2a is fixedlyed connected with volute 2b, the rear end of motor shell 2a connects the lead 6 that promising motor 3 provides power supply, and the lower end of volute 6 has connected a dust outlet tube 15, and fan 4 can rotate and produce the pressure-vaccum air-flow at a high speed in volute 2b under the driving effect of motor 3; Pressure-vaccum annex 10 removably connects with host shell 2 by a safety interlock mechanism 20, and pressure-vaccum annex 10 comprises aspiration channel 11 and blower 12, the air inlet 11a that is provided with of aspiration channel 11 wherein, and blower 12 is provided with air outlet 12a; The first connecting portion 5a that has connected operating grip 5 on the host shell 2, connect the second connecting portion 5b that is provided with operating grip 5 on the pressure-vaccum annex 10, the first connecting portion 5a is positioned at the top of host shell 2, the second connecting portion 5b is positioned at the top of pressure-vaccum annex 10, when pressure-vaccum annex 10 was connected in host shell 2, two connecting portions were combined into complete operating grip 5.
Be close to the pressure-vaccum switching mechanism 17 of the position setting of dust outlet tube 15 on the main body housing 2, it comprises the control knob 17a that host shell 2 outsides are set, and the adjusting turnover panel 17b that is positioned at host shell 2 inside, the operator is as long as regulate control 17a according to the direction indication that marks, just can make blower blow with the different mode of operation of suction between change.Rotation is regulated turnover panel 17b to solid line position shown in Figure 2, blower 1 is in the blown work pattern, under the high speed rotation of fan 4, the inspiratory airflow of generation shown in arrow among Fig. 2 enters aspiration channel 11 by the air inlet 11a of aspiration channel 11, the air-flow that sucks is admitted to blower 12 behind fan 4, blow out in air outlet 12a at last; In order to embody the air velocity that blows out from air outlet 12a under the blow mode, the cross section setting of air outlet 12a is far smaller than the cross section of air inlet 11a usually, and the cross section of blower 11 has a process of successively decreasing gradually along its bearing of trend; Rotation is regulated turnover panel 17b to dotted line position shown in Figure 2, and blower 1 is in air-breathing mode, and branches and leaves, dust are same as air inlet together with charge air flow one and are inhaled into aspiration channel 11, after the impeller of fan 4 is admitted to dust leg 15 after pulverizing.
In the preferred embodiments of the present invention, aspiration channel 11 is fixedlyed connected with blower 12, and blower 12 is positioned at the downside of aspiration channel 11; When blower is in running order, pressure-vaccum annex 10 is connected in host shell 2, aspiration channel 11 extends to fuselage one side with blower 12, and its bearing of trend almost parallel, and the bearing of trend approximate vertical of the bearing of trend of dust outlet tube 15 and aspiration channel 11 and blower 12; Aspiration channel 11 is provided with a main part 14a along the longitudinal axis extension in bearing of trend, and be the kink 14b that angle beta is provided with the aspiration channel longitudinal axis, the setting of this angle beta is advisable with the obtuse angle between 90 to 180 degree, and the scope that is provided with of the development length of kink 14b is between the 5mm to 1m; The development length of blower 12 is big, and the aspiration channel 11 that is arranged so that of kink 14b is satisfying under the condition of safe length to roughly concordant with the crooked place of aspiration channel 11, and the whole development length of aspiration channel 11 has reduced, and therefore the weight of complete machine also alleviate; For the blower that aspiration channel is straight tube, the position of centre of gravity of this blower is come to lower, and arm can freely stretch when the user operated in the singlehanded dust suction of the following execution of erectility, operated also more apparent light; The air inlet 11a of aspiration channel 11 kink 14b is near ground at this moment, and the air inlet 11a of its kink 14b and the air outlet 12a of blower 12 remain in same horizontal plane substantially, need the place of dust suction for some as waiting privileged sites under the seat, user's easily complete operation of just need not bending over, and the drifting dust effect further improves.The top of blower 12 is provided with tube wall opening 8, blower 12 near tube wall opening 8 positions is provided with a wind-speed adjusting device 16, be used under the blowing pattern, regulating the wind speed that blows out from air outlet 12a, also be provided with an air-out guider 9 between aspiration channel and the blower 12, be used to guide the flow direction of the air-flow of overflowing from tube wall opening 8, the dirt bits are blowed to the user make its blurred vision or be inhaled in the body in order to avoid select air-flow.
Referring to Fig. 2, shown in Figure 5, the axial line X2 of the axial line X1 of the first connecting portion 5a and the second connecting portion 5b and axle center of motor line Y are positioned at same plane, the bearing of trend of operating grip 5 is consistent with the bearing of trend of pressure-vaccum annex 10 again simultaneously, it is longer that the length of the first connecting portion 5a is provided with the relative second connecting portion 5b, the such setting of the first connecting portion 5a length is to make things convenient for the user no matter blowing, or blow under the mode of operation can fill order's hand operated, for the user of different heights, can select to be fit to the grip position of oneself from the first connecting portion 5a, thereby grasp the center of gravity of blower, it is more light that feasible operation becomes, and the second connecting portion 5b is mainly used in pressure-vaccum annex 10 gripped from main body shell 2 dismounting or when being installed and connected in main body shell 2.
Shown in Fig. 3 A, Fig. 3 B, this wind-speed adjusting device 16 is one to be provided with the ring bodies of grid opening 13, this ring bodies rotatably is supported on the outer wall of blower 12, when needs are regulated the blowing wind speed of blower, regulate cue mark rotation ring bodies according to the air quantity of illustrating among Fig. 1 and make its grid opening 13 and tube wall opening 8 whole crossovers or part crossovers, the part air-flow can be overflowed from grid opening 13 by tube wall opening 8, thereby regulates the air-out velocity magnitude that blows out from blowing mouth 12a; Guider 9 comprises the spigot surface 9a that is arranged at 11 times tube walls of aspiration channel, be positioned at directly over the tube wall opening 8 and be distributed in the side plate washer 9b of spigot surface 9a both sides, and the lagging 9c that is positioned at air quantity guider 9 rear sides shown in Fig. 2, the air-flow of overflowing from grid opening 13 is subjected to stopping of lagging 9c and both sides plate washer 9b, flow to blower 12 bearing of trends along spigot surface 9a, thereby make its flow direction consistent with the blower air-out direction, avoid distinguished and admirable the dirt bits are blowed to the user, also strengthened the blowing effect simultaneously.When not needing to dry the air quantity adjusting, only need by rotation wind-speed adjusting device 16, make its grid opening 13 and 8 dislocation of tube wall opening, this moment, tube wall opening 8 was sealed effectively by the ring bodies of wind-speed adjusting device 16.
With reference to Fig. 4, shown in Figure 5, be provided with the switch 7 that is used to control motor in the host shell, and safety interlock mechanism 20, it comprises the flip flop equipment 21 that relative handle 5 slides and is provided with, the top of this flip flop equipment 21 protrudes in the upper surface of the handle first connecting portion 5a housing, make things convenient for user's direction shown in arrow among Fig. 4 to slide to the second place shown in the solid line and control flip flop equipment 21 from the primary importance shown in the dotted line, this flip flop equipment 21 comprises contact 21a and 21bc of stop portion and the 21c of stop portion that is used for trigger switch 7, an and locking mechanism 24, this locking mechanism 24 is provided with the press section 24a that protrudes in handle housing, and be used for hook 24b with pressure-vaccum annex 10 engagement, the lower end of locking mechanism 24 is provided with a spring 25, this spring 25 can make locking mechanism 24 move up and down in host shell under the 24a application of force effect of press section, an and slide block 22, the upper end of slide block 22 is provided with a 22b of stop portion, and the middle part is provided with a convex shoulder 22a, and the lower end of slide block 22 is provided with a spring 23 equally; The position that the aspiration channel 11 of pressure-vaccum annex 10 is connected with host shell 2 is provided with an overhanging briquetting 18, and the inboard of overhanging briquetting 18 is provided with the engaging piece 19 that is connected with hook 24b.
Shown in Fig. 4 A, when pressure-vaccum annex 10 and main body housing 2 are separated, slide block 22 is being under the supporting role of spring 23 under the original state, and the slide block 22 stop portion 22b sides of this moment and the 21b of stop portion of flip flop equipment 21 offset, and have stoped the slip of flip flop equipment 21; This moment can be by forcing in locking mechanism 24 press section 24a downwards to overcome spring 25 elastic forces, locking mechanism 24 is moved down in host shell, when locking mechanism 24 was in the position that moves down, the hook 24b of locking mechanism 24 can be meshed with the engaging piece 19 of pressure-vaccum annex 10 easily and be connected.
In conjunction with reference to shown in Fig. 4 and Fig. 4 B, when pressure-vaccum annex 10 is installed and connected in host shell 2, the overhanging briquetting 18 of pressure-vaccum annex 10 stretches in the host shell 2, just in time the convex shoulder 22a with slide block 22 interacts, convex shoulder 22a is subjected to the driving of overhanging briquetting 18, impel slide block 22 to overcome the elastic force of spring 23 to lower slider, the 22b of stop portion of slide block 22 and the 21b of stop portion of flip flop equipment 21 throw off mutually at this moment, and then allow flip flop equipment 21 to press the slip of the direction shown in the arrow among the figure by primary importance, thereby actuatable switches 7 starter motors 3, have only when the pressure-vaccum annex is connected in host shell flip flop equipment 21 ability touch switch; Shown in Fig. 4 C, when flip flop equipment 21 moves to the second place, this moment flip flop equipment 21 contact 21a actuatable switches 7, the 21c of stop portion of flip flop equipment 21 be positioned at locking mechanism 24 press section 24a under, stoped locking mechanism 24 to move down, the hook 24b of locking mechanism 24 and the engaging piece 19 of pressure-vaccum annex 10 are in the engagement lock-out state at this moment, and, as long as when switch 7 is in the triggering state, pressure-vaccum annex 10 just can't be from host shell 2 dismountings, avoid dropping from host shell 2 when the duty because of the pressure-vaccum annex, and make the fan 4 of rotation at a high speed hurt the user, so just guaranteed the safety of blower 1 under the state of motor 3 startup work.Wherein, the inclined-plane is arranged in the upper surface of the 22b of stop portion of slide block 22, be to consider the operator just in case carry out maloperation, promptly not according to normal dismounting mode, earlier flip flop equipment is moved to the primary importance of non-triggering state, and then press locking device 24, take off pressure-vaccum annex 10, and be to use rough power directly pressure-vaccum annex 10 to be dismantled from host shell 2, this moment, slide block 22 meetings upwards be lifted under the effect of spring 23, the 21b of stop portion that the stop portion 22b inclined-plane of slide block 22 will promote trigger mechanism 21 moves to the primary importance of non-triggering state, thereby the work of having cut off motor has effectively kept safety.
When needs with pressure-vaccum annex 10 when host shell 2 is dismantled, as long as slide trigger device 21 is to the primary importance of non-trigger switch, the 21c of stop portion of the press section 24a of locking mechanism 24 and flip flop equipment 21 throws off at this moment, press section 24a can be pressed and move down, the hook 24b and the engaging piece 19 that are positioned at locking mechanism 24 are thrown off engagement, just can like a cork remove pressure-vaccum annex 10 as long as grip 5b by second of operating grip 5 this moment, certainly, pressure-vaccum annex 10 can be disassembled from host shell 2, also favourablely under the situation that volute 2b is stopped up by foreign material such as branches and leaves dirt bits, volute 2b is cleared up convenient maintenance and maintenance to fan 4.
Certainly, if desired, volute 2b and motor shell 2a in the embodiment of the invention can make flexible connection, and the power set of drive fan 4 also can substitute with steam engine, internal combustion engine or power brick; Blower 12 also can independently be provided with aspiration channel 11, be connected with host shell respectively, also blower 12 and aspiration channel 11 can be merged the pressure-vaccum airduct that be arranged to single gas channel, and be provided with the main part that extends longitudinally and be the kink that angle is provided with main part in this pressure-vaccum airduct; The above-mentioned pressure-vaccum airduct or the kink body of aspiration channel 12 can be arranged to the body of flat, cylindrical, taper, trapezoidal or any suitable bending.
Shown in Fig. 6 A, the operator is hold by one hand the blower handle and carries out dust suction work, because the position of centre of gravity of blower is come to relatively low, the arm of operation holding operation handle 5 keeps vertical substantially, the air inlet 11a that is positioned at sweep-up pipe 11 kinks is near ground, and outside dirt bits enter sweep-up pipe with charge air flow, are sent into dust bag by fan at last, operating process is very light, and pick-up performance also is improved; Shown in Fig. 6 B, the operator is hold by one hand the blower handle and carries out drifting dust work, before the relative dust suction state of the grip position of operator on operating grip 5 is wanted a bit, the position of centre of gravity of blower is elevated, this moment, operator's arm still kept vertical substantially, the air blowing air-flow blows out from the air outlet 12a of blower 12, is used for dirt bits are blown holding together gather heap, operates to seem free and relaxed.
Claims (14)
1. blower, comprise host shell (2), be arranged at the motor (3) in the housing, drive the fan (4) of rotation by motor, the switch (7) of control motor rotation, the pressure-vaccum annex (10) that removably connects with host shell, and be arranged at safety interlock mechanism (20) between pressure-vaccum annex and the host shell, described safety interlock mechanism comprises a flip flop equipment (21), have only when the pressure-vaccum annex is connected in host shell, flip flop equipment could touch switch, it is characterized in that: described safety interlock mechanism further comprises a slide block (22), when described pressure-vaccum annex separated with host shell, described slide block had limited the flip flop equipment motion.
2. blower according to claim 1 is characterized in that: described safety interlock mechanism (20) establishes a locking device (24), is used for when motor starting pressure-vaccum annex (10) locking being connected in host shell (2).
3. blower according to claim 2 is characterized in that: overhanging briquetting (18) is set on the described pressure-vaccum annex (10), and described slide block (22) is provided with convex shoulder (22a), and described overhanging briquetting selectively connects with the convex shoulder.
4. blower according to claim 3 is characterized in that: described pressure-vaccum annex (10) is provided with hook (24b), and described locking device (24) is provided with engaging piece (19), the selectable engagement locking of described hook and engaging piece.
5. blower according to claim 1 is characterized in that: described pressure-vaccum annex comprises fixedly connected aspiration channel (11) and blower (12), and aspiration channel is consistent with the bearing of trend of blower.
6. blower according to claim 5 is characterized in that: described aspiration channel (11) is positioned at the top of blower (12), and aspiration channel is provided with the extending end of bending in its bearing of trend.
7. according to claim 5 or 6 described blowers, it is characterized in that: described blower (12) is positioned at the below of aspiration channel (11), and the development length of described blower is less than the development length of aspiration channel.
8. blower according to claim 7 is characterized in that: the development length of described blower is concordant with the crooked place of aspiration channel.
9. blower according to claim 8 is characterized in that: described blower (12) is provided with tube wall opening (8), and the outer wall of close described aperture position is provided with volume adjusting apparatus (16).
10. blower according to claim 9 is characterized in that: be provided with air-out guiding mechanism (9) between described aspiration channel (11) and the blower (12), the air-flow that is used for overflowing from opening leads.
11. blower, comprise host shell (2), be arranged at the motor (3) in the housing, drive the fan (4) of rotation by motor, the switch (7) of control motor rotation, the pressure-vaccum annex (10) that removably connects with host shell, and be arranged at safety interlock mechanism (20) between pressure-vaccum annex and the host shell, described safety interlock mechanism comprises a flip flop equipment (21), have only when the pressure-vaccum annex is connected in host shell, flip flop equipment could actuatable switches, it is characterized in that: described safety interlock mechanism further comprises a slide block (22), described slide block is driven by the pressure-vaccum annex, thereby selectively matched with flip flop equipment.
12. blower according to claim 11 is characterized in that: described safety interlock mechanism (20) is provided with a locking device (24), is used for when motor starting pressure-vaccum annex (10) locking being connected in host shell (2).
13. blower according to claim 12 is characterized in that: overhanging briquetting (18) is set on the described pressure-vaccum annex (10), and described slide block (22) is provided with convex shoulder (22a), and described overhanging briquetting selectively connects with the convex shoulder.
14. blower according to claim 13 is characterized in that: described pressure-vaccum annex (10) is provided with hook (24b), and described locking device (24) is provided with engaging piece (19), the selectable engagement locking of described hook and engaging piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100232738A CN101322625B (en) | 2007-06-14 | 2007-06-14 | Pressure-vaccum machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100232738A CN101322625B (en) | 2007-06-14 | 2007-06-14 | Pressure-vaccum machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101322625A true CN101322625A (en) | 2008-12-17 |
| CN101322625B CN101322625B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100232738A Expired - Fee Related CN101322625B (en) | 2007-06-14 | 2007-06-14 | Pressure-vaccum machine |
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| CN (1) | CN101322625B (en) |
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| CN102151107A (en) * | 2011-02-14 | 2011-08-17 | 长沙赛普尔自动化工程设备有限公司 | Dust removing equipment and dust removing terminal |
| CN102995589A (en) * | 2011-09-19 | 2013-03-27 | 苏州宝时得电动工具有限公司 | Blowing-suction machine |
| CN103046502A (en) * | 2011-10-17 | 2013-04-17 | 苏州宝时得电动工具有限公司 | Blowing-suction machine and dust discharging accessory thereof |
| CN103156548A (en) * | 2011-12-13 | 2013-06-19 | 苏州宝时得电动工具有限公司 | Blow-suck machine |
| CN103774597A (en) * | 2012-10-19 | 2014-05-07 | 浙江三锋实业股份有限公司 | Blowing and suction machine |
| CN103894370A (en) * | 2012-12-28 | 2014-07-02 | 苏州宝时得电动工具有限公司 | Handheld blowing and sucking machine |
| WO2016082759A1 (en) * | 2014-11-28 | 2016-06-02 | 苏州宝时得电动工具有限公司 | Blower/vacuum apparatus |
| CN105648958A (en) * | 2014-11-28 | 2016-06-08 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
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| CN106049328A (en) * | 2015-04-10 | 2016-10-26 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
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| DE3228491C2 (en) * | 1982-07-30 | 1985-10-24 | Euras Elektro Forschungs- Und Produktionsgesellschaft Mbh, 8000 Muenchen | Battery operated handheld vacuum cleaner |
| DE69622209T2 (en) * | 1995-01-30 | 2003-03-20 | Black & Decker Inc | Blow / suction device |
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2007
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Denomination of invention: Blowing interface of blowing and sucking machine Effective date of registration: 20140515 Granted publication date: 20110112 Pledgee: Bank of Communications Ltd. Suzhou branch Pledgor: POSITEC POWER TOOLS (SUZHOU) Co.,Ltd. Registration number: 2014990000362 |
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Date of cancellation: 20180416 Granted publication date: 20110112 Pledgee: Bank of Communications Ltd. Suzhou branch Pledgor: POSITEC POWER TOOLS (SUZHOU) Co.,Ltd. Registration number: 2014990000362 |
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