CN107000185B - Pneumatic tool - Google Patents
Pneumatic tool Download PDFInfo
- Publication number
- CN107000185B CN107000185B CN201580063280.3A CN201580063280A CN107000185B CN 107000185 B CN107000185 B CN 107000185B CN 201580063280 A CN201580063280 A CN 201580063280A CN 107000185 B CN107000185 B CN 107000185B
- Authority
- CN
- China
- Prior art keywords
- air
- discharge path
- operation valve
- dust
- collecting space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000428 dust Substances 0.000 claims abstract description 101
- 230000002093 peripheral effect Effects 0.000 claims abstract description 26
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 23
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 56
- 230000004913 activation Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Power Tools In General (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Road Repair (AREA)
Abstract
The present invention provides the pneumatic tool for the foreign matter for being included in the compressed air that removal is supplied to air motor.Configured with the air swirl component (40) with spiral helicine slot in air supply road (34) being arranged in the tool body (14) of receiving air motor (12).Air swirl component (40) make by compressed air convolution be whirled up stream.Upstream side end (44a) opening of dust collecting space (44) is configured by cylindrical wall (42) and end of downstream side (44b) occludes, position than air swirl component (40) downstream of the cylindrical wall (42) in air supply road (34), it configures and locates more in the inner part in the inner peripheral surface (34a) than air supply road (34), and form the dust collecting space (44) of tubular between cylindrical wall (42) and inner peripheral surface (34a).The vacuum cleaner (52) that the exit opening portion (52e) being connected to the outside of tool body (14) is extended to from the entrance opening portion (52a) being open in dust collecting space (44) is set, so as to which the foreign matter being gathered in dust collecting space (44) is expelled to outside.
Description
Technical field
The present invention relates to the pneumatic tools for having the air motor rotated by compressed air-driven.More specifically, it relates to
And the pneumatic work for the foreign matter that removal compressed air is included in for the air supply road to air motor supply compressed air
Tool.
Background technique
Following pneumatic tool is widely used, which passes through the compression from external compressed air supply source
The rotary-type air motor of air driving blade formula, reciprocating motion type air motor in the form of piston, so as to the air motor
Link and driver bit, drill bit, the grinding pad etc. driven by the air motor is driven by drive member.For example, in patent
A kind of pneumatic drill is disclosed in document 1, which carries out holding fixation to drill bit by the rotary-type air motor driving of vane type
Clamping element rotation.In addition, disclosing a kind of reciprocating tool in citation 2, pass through reciprocating motion in the form of piston
The tool holder that air motor driving is equipped with saw blade etc. moves back and forth.
In such pneumatic tool, generally for the blade, piston for preventing air motor abrasion and in air motor
It is interior to be coated with lubricating oil.In addition, making into the compressed air that air motor supplies comprising lubricating oil, to be mended into air motor
Fill supply lubricating oil so that it is lasting using pneumatic tool when air motor in lubricating oil will not gradually decrease.Like this
The abrasion of blade, piston is prevented by maintaining the state coated with sufficient lubricating oil in air motor always, and is utilized
To which air motor will not get rusty because of the moisture that compressed air is included in oil film covering air motor.
Citation
Patent document
Patent document 1: No. 4295228 bulletins of Japanese Patent No.
Patent document 2: No. 4551302 bulletins of Japanese Patent No.
Summary of the invention
Problems to be solved by the invention
In general, compressed air eliminates the state of the foreign matters such as dust, water droplet in the various filters by configuring in being piped
It is lower to be supplied to pneumatic tool.However, it is very difficult to which the compressed air supplied to pneumatic tool is maintained the shape not comprising foreign matter always
State, foreign matter can be mixed into pneumatic tool sometimes.In the case where mixed foreign matter reaches in air motor, blade, piston sometimes
It is damaged because of foreign matter so that the service life of air motor declines.It is therefore preferable that entering foreign matter in air motor as far as possible.
In addition, developing the pneumatic tool that can be driven in the case where non lubricant oil in recent years.Such pneumatic
In tool, blade, the piston of air motor are not covered by lubricating oil, therefore in the case where be mixed into air motor foreign matter, leaf
A possibility that piece, piston are damaged because of foreign matter is higher, and the service life of air motor may will be greatly shortened.Therefore, in non lubricant oil
And in driven pneumatic tool, being mixed into foreign matter in air motor becomes even more important.
In view of the above-mentioned problems of the prior art, the purpose of the present invention is to provide the compression skies that removal is supplied to air motor
The pneumatic tool for the foreign matter for being included in gas.
Solution for solving the problem
I.e. the present invention provides a kind of pneumatic tool, has: air motor；Tool body accommodates the air motor, and
With the air supply road for supplying the compressed air from compressed air supply source to the air motor and it is used for
The air discharge path that compressed air from the air motor is discharged to the outside of the tool body；Air swirl machine
Structure makes to supply the compressed air convolution flowed in road in the air to be whirled up stream；And cylindrical wall, described
Air supplies the position of air swirl mechanism downstream described in the ratio in road, configures in the inner peripheral surface than air supply road
Locate in the inner part, forms the dust collecting space of tubular between the cylindrical wall and the inner peripheral surface, and the cylindrical wall is configured to institute
The upstream side end for stating dust collecting space is open and end of downstream side occludes.
In the pneumatic tool, the compressed air supplied to air motor supplies road in air due to air swirl component
Interior to become swirling flow, the foreign matter of the solids such as dust, water for being included in compressed air or liquid is supplied by centrifugal force to air
It moves about to be gathered in dust collecting space to the inner peripheral surface on road, therefore can be reduced to the amount up to the foreign matter of air motor.By
This, is able to extend the service life of air motor.
Specifically, or, the air swirl mechanism is that configuration supplies in road in the air and has spiral
The air swirl component of the slot of shape.
Preferably, the tool body is also equipped with dust discharge path, and the dust discharge path is to the dust collecting space
The entrance opening portion of opening extends to the external exit opening portion being connected to the tool body.
The foreign matter being gathered in dust collecting space can be discharged from dust collecting space by the way that such dust discharge path is arranged.
Preferably, the pneumatic tool is also equipped with discharging operation valve, and the discharging operation valve is configured at the tool master
Body, and can be in the meta position of the release position of the closed position and the open dust discharge path of closing the dust discharge path
It moves.
By having discharging operation valve, only can make to press via dust discharge path when needing that foreign matter is discharged from dust collecting space
Stream of compressed air is dynamic.That is, the compressed air for having neither part nor lot in the driving of air motor can not be discharged in vain.
Preferably, the pneumatic tool is also equipped with driving operation valve, and the driving operation valve is configured at the tool master
Body, and can be in the meta position of the activation point of the stop position and open air supply road of closing air supply road
It moves, when the driving operation valve is displaced between the stop position and the activation point, makes the discharging operation valve from institute
Closed position is stated to be displaced to the release position.
It is further preferred that when the driving operation valve is located at the stop position and the activation point, the row
Operation valve is in the closed position out.
By adopting such structure, with driving operation valve operation caused by pneumatic tool driving, stop concomitantly
Discharging operation valve is operated, there is no need to individually operate discharging operation valve.
Preferably, when the driving operation valve is displaced the discharging operation valve to the release position, the drive
Dynamic operation valve keeps air supply road open.
The air of dust collecting space is discharged in the state of there capable of be swirling flow in air supplies road, therefore can more have
Effect ground discharge foreign matter.
Preferably, the driving operation valve has seals with the supply road seat portion being arranged in air supply road
The driving operation spool of engaging, the driving operation extended from the driving operation spool to the direction of displacement of the driving operation valve
Valve shaft and from it is described driving operation valve shaft outer peripheral surface engaging protrusion outstanding, the discharging operation valve have with described
The discharging operation spool of the discharge path seat portion sealing engaging of dust discharge path setting and from the discharging operation spool to institute
State discharging operation valve direction of displacement extend discharging operation valve shaft, the driving operation valve the stop position with it is described
When being displaced between activation point, the engaging protrusion engages with the discharging operation valve shaft, thus make the discharging operation valve from
The closed position is displaced to the release position.
It is further preferred that the driving operation valve configuration is in the downstream side of the dust collecting space.
It may further be preferable that the entrance opening portion of the dust discharge path be arranged in the dust collecting space under
Swim the position of side end interval to the upstream side.
The known foreign matter for being gathered in dust collecting space is distributed in due to the relationship of dust collecting space interior air-flow from dust collecting space more
Position of the end of downstream side slightly by upstream side.Therefore, it is closed by being arranged in the entrance opening portion of dust outlet from downstream side
The position of closing part interval to the upstream side, can more effectively be discharged foreign matter.
Preferably, the pneumatic tool is also equipped with the dust-collecting filter for being set to the air discharge path, the dust
The position opening of exit opening portion dust-collecting filter described in the ratio of the air discharge path of discharge path on the upstream side.
By adopting such structure, the air comprising foreign matter is discharged to outside via dust-collecting filter, therefore can
It prevents the exhaust due to the driving instrument and pollutes external environment.
Preferably, the tool body has air supply road and side of the air discharge path to extend parallel
The handle cover of flow path constituting portion made of formula setting and the covering flow path constituting portion, the air supply in road at least
The section shape of the inner peripheral surface of the part of the dust collecting space is formed with as circle, the dust discharge path includes the first access,
Tangential direction from the entrance opening portion towards the circle extends in the flow path constituting portion；Alternate path, and it is described
The connection of first access, is formed on the outer surface of the flow path constituting portion and is covered by the handle cover；And third path,
It is connected to the alternate path, the exit opening portion is extended in the flow path constituting portion.
Hereinafter, being illustrated based on embodiment of the attached drawing to pneumatic tool of the invention.
Detailed description of the invention
Fig. 1 is the side view cutaway drawing of the pneumatic tool of embodiments of the present invention.
Fig. 2 is the perspective view for showing air swirl component.
Fig. 3 is the cross-sectional view at the III-III line of Fig. 1.
Fig. 4 A is the first figure for showing the movement of driving operation valve and discharging operation valve, is that driving operation valve is located at stop position
It sets and figure when discharging operation valve is located at closed position.
Fig. 4 B is the second figure for showing the movement of driving operation valve and discharging operation valve, is that driving operation valve is located at stop position
It sets between release position and figure when discharging operation valve is located at release position.
Fig. 4 C is the third figure for showing the movement of driving operation valve and discharging operation valve, is that driving operation valve is located at open stance
It sets and figure when discharging operation valve is located at closed position.
Specific embodiment
As shown in Figure 1, the pneumatic tool 10 of embodiments of the present invention has: the rotary-type air motor of vane type
12；Accommodate the tool body 14 of air motor 12；And it is maintained as capable of rotating and pneumatic in the front end of tool body 14
The clamping element 16 of the driving of motor 12 and rotation.The pneumatic tool 10 holds the fixed brill being driven to rotate by being clamped part 16
Head carries out perforation process.
Air motor 12 has: rotor 12a, is remained by bearing 18 configured back and forth and rotates around center of rotation axis R
Freely；The motor shell 12b of tubular accommodates rotor 12a；And multiple blade 12c (illustrate only wherein one in Fig. 1
It is a), rotor 12a can be contained in a manner of radially the sliding of the rotor 12a.It is arranged in motor shell 12b
There is the first and second air for exhaust outlet (not shown) and exhaust outlet 12d.Using positive and negative rotation switching valve 20, can select to compress
Air is supplied by first and second for which of exhaust outlet.By first for exhaust outlet to motor shell 12b
In the case where interior supply compressed air, compressed air rotates rotor 12a along forward rotation direction, and from second for exhaust outlet and row
Port 12d discharge.In the case where supplying compressed air into motor shell 12b for exhaust outlet by first, compressed air makes
Rotor 12a is rotated along reverse directions, and is discharged from first for exhaust outlet and exhaust outlet 12d.That is, the air motor 12 can lead to
Positive and negative rotation switching valve 20 is crossed to switch forward and reverse.
Be equipped in clamping element 16 be pressed into fixed be located at tool body 14 in rear end pin 22 and protected
Hold the pinion gear 24 to rotate freely around the pin 22.The pinion gear 24 is configured to, and is formed as with the rotor 12a with air motor 12
The external tooth 26 of the motor drive shaft 12e of one and 28 both sides of the internal tooth engagement being fixed and held in the inside of tool body 14.
Therefore, when air motor 12 is driven, pinion gear 24 is around 22 rotation of pin, and around the center of rotation axis R of air motor 12
Revolution.It is rotated by pinion gear 24 around center of rotation axis R, clamping element 16 is also rotated by driving around center of rotation axis R.
The confession for receiving the compressed air from compressed air supply source (not shown) is provided in the lower end of tool body 14
Port 30 and the exhaust outlet 32 of the compressed air discharge after using.The lower half portion of tool body 14 is formed as flow path composition
Portion 14a, flow path constituting portion 14a are concurrently formed with from the air that air supply opening 30 extends to air motor 12 and supply 34 and of road
The air discharge path 36 of exhaust outlet 32 is extended to from air motor 12.In addition, being equipped with rubber around flow path constituting portion 14a
The handle cover 14b of system is so that operator is easy to hold.Be fixed with male form connector 38 in air supply opening 30, the male form connector 38 by with
It is connected to the corresponding negative joint connection (not shown) of compressed air supply source, so that the pneumatic drill 10 be made to supply with compressed air
It is connected to source.
Air swirl component 40 is configured in air supply road 34.As shown in Fig. 2, the air swirl component 40 has
Multiple spiral helicine slot 40a that its outer peripheral surface is formed, make through the compressed air of the air swirl component 40 along spiral
It circles round on the direction of the slot 40a of shape and is whirled up stream.Air supply road 34 in than 40 downstream of air swirl component
Position be configured with cylindrical wall 42, which is located at the position in the inner part inner peripheral surface 34a than air supply road 34.
The section shape of the inner peripheral surface 34a on the air supply road 34 between air swirl component 40 and cylindrical wall 42 is circle, and in circle
Cylindric dust collecting space 44 is formed between cylindrical wall 42 and inner peripheral surface 34a.The upstream side end 44a of the dust collecting space 44 is in
Circular opening, end of downstream side 44b occlusion.In addition, the inside of cylindrical wall 42 constitutes the center stream being connected with air motor 12
Road 34b.The driving operation valve 46 of the switch for carrying out air supply road 34 is also configured in the further downstream of dust collecting space 44.
The driving operation valve 46, which has, seals the driving operation valve engaged with the supply road seat portion 48 being arranged in air supply road 34
Core 46a；Valve shaft 46b is operated from the driving for the outside that driving operation spool 46a extends to tool body 14；And it is fixed on driving
Operate the press operating part 46c of the end of valve shaft 46b.Drive operation valve 46 can from by by press operating part 46c to tool
14 side of main body presses and closes the stop position (Fig. 4 A) on air supply road 34 to the release position (figure on open air supply road 34
4C) shifted up in the side along driving operation valve shaft 46b.It should be noted that in the supply pressure into air supply road 34
In the state of contracting air, operation valve 46 is driven to be moved to closed position from release position by the pressure of compressed air.
Air discharge path 36 is formed as, and driving operation valve 46 is from extending downward from the exhaust outlet 12d of air motor 12
Exhaust line upstream portion 36a is risen when being observed using attached drawing to depth side detour, and is connected with exhaust line downstream portion 36b until exhaust
Mouth 32.The dust-collecting filter 50 installed in a manner of it can replace is configured in exhaust line downstream portion 36b.
The exhaust of the dust collecting space 44 and air discharge path 36 on air supply road 34 is also formed in tool body 14
The dust discharge path 52 extended between the downstream portion 36b of road.As shown in figure 3, dust discharge path 52 includes: the first access 52b, from
Extend to the entrance opening portion 52a that dust collecting space 44 is open towards the side of the flow path constituting portion 14a of tool body 14；Second is logical
Road 52c is connected to the first access 52b, and is formed between flow path constituting portion 14a and handle cover 14b；And third path
52d is connected to alternate path 52c, and the exit opening portion being open to air discharge path 36 is extended in flow path constituting portion 14a
52e.First access 52b extends from entrance opening portion 52a towards the tangential direction of the inner peripheral surface 34a on air supply road 34.
The midway of three-way 52d is configured with the discharging operation valve 54 for switching dust discharge path 52.The discharging operation valve 54 has: row
Spool 54a is operated out, is engaged with the sealing of discharge path seat portion 56 being arranged in dust discharge path 52；Discharging operation valve shaft
54b, the driving operation valve shaft 46b from discharging operation spool 54a towards driving operation valve 46 extend；And helical spring 54c,
It presses discharging operation spool 54a and discharging operation valve shaft 54b, so that discharging operation spool 54a and discharge path seat portion 56
Sealing engaging.
When supplying to the pneumatic drill 10 from the compressed air of compressed air supply source, driving operation valve 46 is empty by compression
The pressure of gas is maintained at stop position shown in Fig. 4 A.At this point, discharging operation valve 54 becomes the pressing by helical spring 54c
Power makes discharging operation spool 54a seal the closed position for engaging to close dust discharge path 52 with discharge path seat portion 56.It connects
Get off, when the pressure for overcoming compressed air presses the press operating part 46c of driving operation valve 46, as shown in Figure 4 B, driving
Operation spool 46a leaves from supply road seat portion 48 and keeps air supply road 34 open.In addition, being set to driving operation valve shaft
The cricoid engaging protrusion 46d of 46b engages with the front end of discharging operation valve shaft 54b so that the discharging operation valve shaft 54b and row
Operation spool 54a is moved downwards out, so that discharging operation valve 54 be made to be moved to release position from closed position.In the open stance
Place is set, discharging operation spool 54a engages with the sealing of discharge path seat portion 56 to be released from, so that dust discharge path 52 is open.Benefit
Keep air supply road 34 open with driving operation valve 46, thus supplied from the air supply opening 30 (Fig. 1) of the lower end of tool body 14
Compressed air starts to flow, and becomes swirling flow by the compressed air after air swirl component 40 (Fig. 1) and supplies road in air
Flowing in 34.In addition, keeping dust discharge path 52 open using discharging operation valve 54, so that compressed air is passed through from dust collecting space 44
Dust discharge path 52 and also flowed in air discharge path 36.In the case where including foreign matter in the compressed air of supply, this is different
Object is mobile to outside due to supplying the centrifugal force of the swirling flow generation in road 34 because of air and is gathered in air supply road 34
Near inner peripheral surface 34a, and it is directed in dust collecting space 44.It is directed to the compressed air comprising foreign matter of dust collecting space 44 also
Air discharge path 36 is directed to by dust discharge path 52.Since the foreign matter for being included is captured by dust-collecting filter, and air
Outside is expelled to from exhaust outlet 32.On the other hand, the compressed air flowed in the immediate vicinity of the swirling flow on air supply road 34
By the central stream 34b of the inside of cylindrical wall 42, further by driving operation valve 46 to be directed to air motor 12.
When further pressing press operating part 46c from the state of Fig. 4 B, as shown in Figure 4 C, driving operation valve 46, which is in, to be opened
Put position, the pneumatic drill 10 become to air motor 12 supply specified amount compressed air to drive clamping element 16 and drill bit with
The driving condition of regulation output rotation.At this point, the engaging protrusion 46d of driving operation valve shaft 46b is moved to and has passed through discharging operation
The position of the front end of valve shaft 54b, thus discharging operation valve 54 due to helical spring 54c active force and be moved to close stance again
It sets.Therefore, in this state, the foreign matter of dust collecting space 44 is gathered in not from dust collecting space due to the centrifugal force of swirling flow generation
44 are discharged and gradually accumulate in dust collecting space 44.In the power that releasing presses press operating part 46c, operation valve is driven
46 are back to the stop position of Fig. 4 A by the pressure of compressed air from the activation point of Fig. 4 C via the state of Fig. 4 B.Cause
This, when driving operation valve 46 to be in the position of Fig. 4 B, discharging operation valve 54 accumulates in dust collecting space 44 in release position
Foreign matter be discharged from dust collecting space 44 via dust discharge path 52.
The exterior portion become in the compressed air of swirling flow by air swirl component 40 flows into dust collecting space 44,
But because the end of downstream side 44b of dust collecting space 44 is occluded, therefore it further can not downstream flow and be intended to flow back to the upstream side.
On the other hand, become the compressed air of swirling flow to flow into from upstream side end 44a, thus the compressed air to be flowed back with come from it is upper
The compressed air of trip side collides halfway.By generating the flowing of such air in dust collecting space 44, thus dust
Foreign matter in space 44 is further gathered in from end of downstream side 44b slightly by the position of upstream side interval.With it is such different
The distribution of object correspondingly, the entrance opening portion 52a of dust discharge path 52 be arranged in from the end of downstream side 44b of dust collecting space 44 to
The position of upstream side interval, so as to which foreign matter is more effectively discharged.It should be noted which position foreign matter is gathered in
According to the distance between the shape of the spiral helicine slot 40a of air swirl component 40, air swirl component 40 and dust collecting space 44,
Air supplies the various conditions such as the diameter on road 34 and the pressure of the compressed air supplied and changes, therefore entrance opening portion
The position of 52a is also suitably set in optimal position according to above-mentioned condition.
In this way, the compressed air supplied to air motor 12 is due to air swirl component 40 and in sky in the pneumatic drill 10
Gas, which supplies, becomes swirling flow in road 34, the foreign matters such as dust, water for being included in compressed air are supplied by centrifugal force to air
The inner peripheral surface 34a on road 34 moves about to be gathered in dust collecting space 44.The compressed air for reaching air motor 12 as a result, is wrapped
The foreign matter contained is reduced, therefore can reduce a possibility that air motor 12 is damaged because of foreign matter to extend the longevity of air motor 12
Life.It is discharged when the driving of the pneumatic drill 10 starts and when stopping in addition, being gathered in the foreign matter of dust collecting space 44, therefore dust
Foreign matter in space 44 is regularly discharged.On the other hand, during the driving of pneumatic drill 10 without foreign matter from dust collecting space 44
Discharge, compressed air and guarantee that the output of pneumatic drill 10 is constant to not be discharged in vain.
In the above-described embodiment, when making that operation valve 46 is driven to be displaced from stop position to release position and from open stance
Both sides when being displaced to stop position are set, are displaced discharging operation valve 54 temporarily to release position, but can also be only at either one
When make discharging operation valve 54 temporarily to release position be displaced, can also be during the driving of air motor 12 by discharging operation
Valve 54 is held in release position.In addition, discharging operation valve 54 is linkedly displaced with driving operation valve 46, but can also independently grasp
Make discharging operation valve 54, the foreign matter in dust collecting space 44 is suitably discharged in the judgement according to operator.Also, dust discharge path 52
Exit opening portion 52e be open to air discharge path 36, and via being connected to outside air discharge path 36 and tool body 14, but
Opening portion 52e can also be made to export directly in the external opening of tool body 14.
In addition, in the above-described embodiment, being generated to make the compressed air convolution flowed in air supply road 34
Swirling flow, configuration has the air swirl component 40 of spiral helicine slot 40a in air supply road 34, but can also pass through other
Mechanism is whirled up stream.For example, can also supply air to road itself is set as spiral form, to be whirled up
Stream.
As the embodiment of pneumatic tool 10 of the invention, driven to the rotary-type drive motor 12 of vane type to be used as
The pneumatic drill 10 in dynamic source is illustrated, but can also use other pneumatic tools such as torque wrench, grinder.In addition, making
For driving source, the piston for moving back and forth working cylinder inner piston and the compressed air by supplying into working cylinder also can be used
The air motor of the other modes such as the air motor of the reciprocating motion type of formula.
Description of symbols:
Pneumatic tool (pneumatic drill) 10；Air motor 12；Rotor 12a；Motor shell 12b；Blade 12c；Exhaust outlet 12d；Horse
Up to drive shaft 12e；Tool body 14；Flow path constituting portion 14a；Handle cover 14b；Clamping element 16；Bearing 18；Positive and negative rotation switching valve
20；Pin 22；Pinion gear 24；External tooth 26；Internal tooth 28；Air supply opening 30；Exhaust outlet 32；Air supplies road 34；Inner peripheral surface 34a；Center
Flow path 34b；Air discharge path 36；Exhaust line upstream portion 36a；Exhaust line downstream portion 36b；Male form connector 38；Air swirl component
40；Spiral helicine slot 40a；Cylindrical wall 42；Dust collecting space 44；Upstream side end 44a；End of downstream side 44b；Drive operation valve
46；Driving operation spool 46a；Driving operation valve shaft 46b；Press operating part 46c；Engaging protrusion 46d；Supply road seat portion 48；
Dust-collecting filter 50；Dust discharge path 52；Entrance opening portion 52a；First access 52b；Alternate path 52c；Third path 52d；
Exit opening portion 52e；Discharging operation valve 54；Discharging operation spool 54a；Discharging operation valve shaft 54b；Helical spring 54c；Discharge path
Seat portion 56；Center of rotation axis R.
Claims (13)
1. a kind of pneumatic tool, has:
Air motor；
Tool body accommodates the air motor, and have for will the compressed air from compressed air supply source to institute
State air motor supply air supply road and for will the compressed air from the air motor to the tool body
The external air discharge path being discharged；
Air swirl mechanism makes to supply the compressed air convolution flowed in road in the air to be whirled up stream；And
Cylindrical wall, the position of the air swirl mechanism downstream described in the ratio in air supply road, configures than institute
The inner peripheral surface for stating air supply road is located in the inner part, and the dust collecting space of tubular is formed between the cylindrical wall and the inner peripheral surface,
And the cylindrical wall be configured to the dust collecting space upstream side end opening and end of downstream side occlude,
The tool body is also equipped with dust discharge path, and the dust discharge path is from the entrance opening being open to the dust collecting space
Portion extends to the external exit opening portion being connected to the tool body,
The pneumatic tool is also equipped with:
Discharging operation valve, is configured at the tool body, and can the closed position for closing the dust discharge path with open
It puts and is displaced between the release position of the dust discharge path；
Drive operation valve, be configured at the tool body, and can the stop position for closing air supply road with open
It puts and is displaced between the activation point on air supply road, the driving operation valve is in the stop position and the activation point
Between when being displaced, be displaced the discharging operation valve from the closed position to the release position.
2. pneumatic tool according to claim 1, wherein
The air swirl mechanism is that configuration supplies the air swirl component in road and with spiral helicine slot in the air.
3. pneumatic tool according to claim 1 or 2, wherein
When the driving operation valve is located at the stop position and the activation point, the discharging operation valve is in described
Closed position.
4. pneumatic tool according to claim 1 or 2, wherein
When the driving operation valve is displaced the discharging operation valve to the release position, the driving operation valve makes described
It is open that air supplies road.
5. pneumatic tool according to claim 1 or 2, wherein
There is the driving operation valve driving engaged with the supply road seat portion sealing being arranged in air supply road to grasp
Make spool, operate valve shaft, Yi Jicong from the driving operation spool to the driving that the direction of displacement of the driving operation valve extends
The outer peripheral surface engaging protrusion outstanding of the driving operation valve shaft,
The discharging operation valve, which has, seals the discharging operation engaged with the discharge path seat portion being arranged in the dust discharge path
Spool and the discharging operation valve shaft extended from the discharging operation spool to the direction of displacement of the discharging operation valve,
When the driving operation valve is displaced between the stop position and the activation point, the engaging protrusion with it is described
Discharging operation valve shaft engaging, so that the discharging operation valve be made to be displaced from the closed position to the release position.
6. pneumatic tool according to claim 1 or 2, wherein
The driving operation valve configuration is in the downstream side of the dust collecting space.
7. pneumatic tool according to claim 1 or 2, wherein
The entrance opening portion of the dust discharge path be arranged in the slave end of downstream side of the dust collecting space to the upstream side every
The standard width of a room in an old-style house every position.
8. a kind of pneumatic tool, has:
Air motor；
Tool body accommodates the air motor, and have for will the compressed air from compressed air supply source to institute
State air motor supply air supply road and for will the compressed air from the air motor to the tool body
The external air discharge path being discharged；
Air swirl mechanism makes to supply the compressed air convolution flowed in road in the air to be whirled up stream；And
Cylindrical wall, the position of the air swirl mechanism downstream described in the ratio in air supply road, configures than institute
The inner peripheral surface for stating air supply road is located in the inner part, and the dust collecting space of tubular is formed between the cylindrical wall and the inner peripheral surface,
And the cylindrical wall be configured to the dust collecting space upstream side end opening and end of downstream side occlude,
The tool body is also equipped with dust discharge path, and the dust discharge path is from the entrance opening being open to the dust collecting space
Portion extends to the external exit opening portion being connected to the tool body,
The entrance opening portion of the dust discharge path be arranged in the slave end of downstream side of the dust collecting space to the upstream side every
The standard width of a room in an old-style house every position.
9. pneumatic tool according to claim 1 or 8, wherein
The pneumatic tool is also equipped with the dust-collecting filter for being set to the air discharge path,
Exit opening portion dust-collecting filter described in the ratio of the air discharge path of the dust discharge path is on the upstream side
Position opening.
10. a kind of pneumatic tool, has:
Air motor；
Tool body accommodates the air motor, and have for will the compressed air from compressed air supply source to institute
State air motor supply air supply road and for will the compressed air from the air motor to the tool body
The external air discharge path being discharged；
Air swirl mechanism makes to supply the compressed air convolution flowed in road in the air to be whirled up stream；
Cylindrical wall, the position of the air swirl mechanism downstream described in the ratio in air supply road, configures than institute
The inner peripheral surface for stating air supply road is located in the inner part, and the dust collecting space of tubular is formed between the cylindrical wall and the inner peripheral surface,
And the cylindrical wall be configured to the dust collecting space upstream side end opening and end of downstream side occlude；And
Dust-collecting filter is set to the air discharge path,
The tool body is also equipped with dust discharge path, and the dust discharge path is from the entrance opening being open to the dust collecting space
Portion extends to the external exit opening portion being connected to the tool body,
Exit opening portion dust-collecting filter described in the ratio of the air discharge path of the dust discharge path is on the upstream side
Position opening.
11. pneumatic tool according to claim 9, wherein
Made of there is the tool body air supply road and the air discharge path to be arranged in a manner of extending parallel
The handle cover of flow path constituting portion and the covering flow path constituting portion,
The section shape of the inner peripheral surface of the part at least formed with the dust collecting space in air supply road is circle,
The dust discharge path includes the first access, and the tangential direction from the entrance opening portion towards the circle is described
Extend in flow path constituting portion；Alternate path is connected to first access, is formed on the outer surface of the flow path constituting portion
And it is covered by the handle cover；And third path, it is connected to the alternate path, is extended in the flow path constituting portion
The exit opening portion.
12. pneumatic tool according to claim 10, wherein
Made of there is the tool body air supply road and the air discharge path to be arranged in a manner of extending parallel
The handle cover of flow path constituting portion and the covering flow path constituting portion,
The section shape of the inner peripheral surface of the part at least formed with the dust collecting space in air supply road is circle,
The dust discharge path includes the first access, and the tangential direction from the entrance opening portion towards the circle is described
Extend in flow path constituting portion；Alternate path is connected to first access, is formed on the outer surface of the flow path constituting portion
And it is covered by the handle cover；And third path, it is connected to the alternate path, is extended in the flow path constituting portion
The exit opening portion.
13. a kind of pneumatic tool, has:
Air motor；
Tool body accommodates the air motor, and have for will the compressed air from compressed air supply source to institute
State air motor supply air supply road and for will the compressed air from the air motor to the tool body
The external air discharge path being discharged；
Air swirl component has the cone portion tapered towards upstream side and is formed in the coniform portion
The spiral helicine slot in the downstream side divided, the air swirl component configuration is in air supply road and makes to supply in the air
To the compressed air convolution flowed in road to be whirled up stream；And
Cylindrical wall, the position of the air swirl component downstream described in the ratio in air supply road, configures than institute
The inner peripheral surface for stating air supply road is located in the inner part, and the dust collecting space of tubular is formed between the cylindrical wall and the inner peripheral surface,
And the cylindrical wall be configured to the dust collecting space upstream side end opening and end of downstream side occlude.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014262413A JP6533386B2 (en) | 2014-12-25 | 2014-12-25 | Air tool |
| JP2014-262413 | 2014-12-25 | ||
| PCT/JP2015/085691 WO2016104435A1 (en) | 2014-12-25 | 2015-12-21 | Pneumatic tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107000185A CN107000185A (en) | 2017-08-01 |
| CN107000185B true CN107000185B (en) | 2019-11-12 |
Family
ID=56150454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580063280.3A Active CN107000185B (en) | 2014-12-25 | 2015-12-21 | Pneumatic tool |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6533386B2 (en) |
| KR (1) | KR102000377B1 (en) |
| CN (1) | CN107000185B (en) |
| TW (1) | TWI566890B (en) |
| WO (1) | WO2016104435A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9844376B2 (en) | 2014-11-06 | 2017-12-19 | Ethicon Llc | Staple cartridge comprising a releasable adjunct material |
| KR101866347B1 (en) * | 2017-11-20 | 2018-06-15 | 대한민국 | Tool for cleaning metal cultural property and method of cleaning |
| KR101878688B1 (en) * | 2018-05-29 | 2018-07-27 | 대한민국 | Apparatus and method for removing corrosive compounds from metal cultural property |
| CN110082113A (en) * | 2019-04-03 | 2019-08-02 | 陕西渭阳动力技术服务有限责任公司 | A kind of monitoring method remanufacturing diesel engine |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB580931A (en) * | 1944-07-27 | 1946-09-25 | Victor Products Ltd | Improvements in rotary tools actuated by compressed air |
| JP2973082B2 (en) * | 1995-07-19 | 1999-11-08 | 株式会社サンテック | Cyclone type separation device |
| US6634438B1 (en) * | 2001-06-01 | 2003-10-21 | Snap-On Technologies, Inc. | Pneumatic air tool with direct air path motor |
| JP2004129783A (en) * | 2002-10-09 | 2004-04-30 | Toshiba Tec Corp | Vacuum cleaner |
| JP4428218B2 (en) * | 2004-12-01 | 2010-03-10 | マックス株式会社 | Dust-proof filter device for compressed air tools |
| JP4295228B2 (en) * | 2005-01-20 | 2009-07-15 | 日東工器株式会社 | Air driven tool |
| JP4551302B2 (en) | 2005-09-30 | 2010-09-29 | 日東工器株式会社 | Pneumatic reciprocating tool. |
| JP5011903B2 (en) * | 2006-09-15 | 2012-08-29 | マックス株式会社 | Hand tool |
| DE102008041370A1 (en) * | 2008-08-20 | 2010-02-25 | Robert Bosch Gmbh | power tool |
| CN101592169B (en) * | 2009-05-22 | 2012-10-17 | 汪京涛 | Pneumatic suction fan |
| JP2012149635A (en) * | 2010-12-27 | 2012-08-09 | Hitachi Koki Co Ltd | Engine working machine |
| JP5836876B2 (en) * | 2012-04-25 | 2015-12-24 | 株式会社マキタ | Electric tool |
| JP2014028410A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Koki Co Ltd | Pneumatic tool |
| JP2014069281A (en) * | 2012-09-28 | 2014-04-21 | Hitachi Koki Co Ltd | Pneumatic tool |
| JP5952915B2 (en) * | 2012-11-20 | 2016-07-13 | 日立建機株式会社 | Transport vehicle |
| CN203542559U (en) * | 2013-09-30 | 2014-04-16 | 南京德朔实业有限公司 | Dust collection accessory |
-
2014
- 2014-12-25 JP JP2014262413A patent/JP6533386B2/en active Active
-
2015
- 2015-12-11 TW TW104141734A patent/TWI566890B/en active
- 2015-12-21 KR KR1020177014574A patent/KR102000377B1/en active IP Right Grant
- 2015-12-21 CN CN201580063280.3A patent/CN107000185B/en active Active
- 2015-12-21 WO PCT/JP2015/085691 patent/WO2016104435A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| KR102000377B1 (en) | 2019-07-15 |
| JP6533386B2 (en) | 2019-06-19 |
| WO2016104435A1 (en) | 2016-06-30 |
| KR20170072339A (en) | 2017-06-26 |
| TW201636164A (en) | 2016-10-16 |
| TWI566890B (en) | 2017-01-21 |
| CN107000185A (en) | 2017-08-01 |
| JP2016120570A (en) | 2016-07-07 |
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