CN105818106A - Pneumatic tool - Google Patents
Pneumatic tool Download PDFInfo
- Publication number
- CN105818106A CN105818106A CN201510535456.2A CN201510535456A CN105818106A CN 105818106 A CN105818106 A CN 105818106A CN 201510535456 A CN201510535456 A CN 201510535456A CN 105818106 A CN105818106 A CN 105818106A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cylinder
- chamber
- sealing surface
- butting section
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 35
- 238000012856 packing Methods 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 210000004247 hand Anatomy 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002478 hand joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Actuator (AREA)
Abstract
The invention discloses a pneumatic tool, comprising: the cylinder is assembled in the cavity of the sleeve in a limiting sliding mode, a sliding chamber is arranged in the cylinder and arranged in the cavity of the sleeve, the piston piece is contained in the sliding chamber of the cylinder and slides back and forth in a movable mode, the buffer springs are arranged in the cavity of the sleeve and are arranged and elastically abutted between the body and the cylinder, and the compression directions of the buffer springs are parallel to the sliding axis of the piston piece. The pneumatic tool of the invention can provide multiple buffering and shock-absorbing effects by a plurality of buffer springs, and effectively reduce the transmission of reaction force to the hand of a user.
Description
Technical field
The present invention relates to pneumatic tool, a kind of buffer structure, a kind of pneumatic tool with buffering and shock preventing design.
Background technology
nullPneumatic tool is a kind of to utilize pressure-air as the reciprocal pneuamtic hand-held tool in operation power source，Existing pneumatic tool，As shown in figure 14，Comprise: a lever 10、One gas valve unit 20、One cylinder 30、One piston piece 40，Wherein this lever 10 is provided with one for connecing the inlet end 101 setting pressure-air、One inlet channel 102 communicated with this inlet end 101、The one switch (not shown) controlling this inlet end 101 air inlet and a cylindrical portion 103，There is in this cylindrical portion 103 an axially disposed chamber 104，This chamber 104 communicates with this inlet channel 102，This gas valve unit 20 is arranged at chamber 104 inner end of this cylindrical portion，This cylinder 30 one end penetrates interior combination of chamber 104 of this cylindrical portion 103 and fixes，This cylinder 30 is made to recline with this gas valve unit 20，This cylinder 30 is internal is provided with an axially disposed sliding room 301，In between sliding front end, room 301 and gas valve unit 20, it is provided with an air flow channel 302 in this cylinder 30 wall another，It is to be made sliding front end, room 301 connect with gas valve unit 20 by this air flow channel 302，This piston piece 40 is placed in sliding before and after activity in the sliding room 301 of this cylinder 30.Therefore, the switch on lever 10 is opened during use, pressure-air is made to be arrived the gas valve unit 20 of cylindrical portion 103 chamber 104 inner end through inlet channel 102 by the inlet end 101 of lever 10, control pressure-air by this gas valve unit 20 to be entered by the rear end, sliding room 301 of cylinder 30, promote piston piece 40 slide displacement forward to precalculated position impact tool head (not shown), stopped by this tool heads block sliding, then pressure-air is entered the sliding front end, room 301 of cylinder 30 through gas valve unit 20 control conversion by air flow channel 302, piston piece 40 slide displacement backward is promoted to clash into gas valve unit 20, stopped by this gas valve unit 20 block sliding, so, piston piece 40 is promoted before and after reciprocal, carry out predetermined work.
But this existing pneumatic tool, when promoting piston piece 40 slide displacement backward to clash into gas valve unit 20, counteracting force can be produced and be transferred to user hand, so, in the most reciprocal slide anteroposterior displacement process of piston piece 40, not only user costs bigger strength and grips this pneumatic tool, and easily has the hands uncomfortable situation of acid, even can damage user hand joint.
For improving disadvantages mentioned above, existing dealer develops for arranging single spring in the chamber of cylindrical portion, be by this single spring when piston piece 40 slide displacement backward clashes into gas valve unit 20, reach buffering and damping effect, reduce counteracting force and be transferred to user hand.The elastic force of this single spring is limited and easy elastic uneven situation, thus buffering and damping effect is the best, it is impossible to effectively reduces the counteracting force produced when pneumatic tool uses and is transferred to user hand.
Summary of the invention
In consideration of it, the shortcoming the best in order to solve air tool buffering and damping effect present in above-mentioned prior art, object of the present invention is to provide a kind of pneumatic tool with multiple shock-proof effect.
To achieve these goals, a kind of pneumatic tool that the present invention provides, comprise:
One body, includes a lever and a sleeve, and this lever is connected with each other with this sleeve, and this sleeve inner has a chamber, and this chamber is a sealing surface, and the other end is set to an opening；
One cylinder, spacing is mounted in the chamber of sleeve slidably, and by the opening of this chamber pass one section outside sleeve, this cylinder interior has a sliding room, and this cylinder arranges a butting section near one end of sleeve chamber sealing surface；
One gas valve unit, is arranged between the sliding room of this cylinder and butting section；
One piston piece, is placed in the sliding room of this cylinder sliding before and after a start axis activity；And
Multiple buffer springs, the plurality of buffer spring is arranged in the chamber of this sleeve, arrange butted between the sealing surface of this sleeve chamber and the butting section of this cylinder, and the compression direction of the plurality of buffer spring is parallel with the start axis of this piston piece sliding, and forms multiple elastic support points between this sealing surface and this butting section.
As preferably, wherein on the sealing surface of this sleeve chamber, arrangement is provided with multiple first location division, this cylinder butting section is provided with multiple second location division towards arrangement in the one side of sleeve chamber sealing surface, and the plurality of buffer spring two ends position with the plurality of first location division and the plurality of second location division fit respectively.
As preferably, the arrangement mode of the most the plurality of first location division and multiple second location division is corresponding annular array, and the plurality of buffer spring arranges butted between the sealing surface of this sleeve chamber and the butting section of this cylinder in annular array mode.
As preferably, the arrangement mode of the most the plurality of first location division and multiple second location division is corresponding rectangular array, and the plurality of buffer spring arranges butted between the sealing surface of this sleeve chamber and the butting section of this cylinder in rectangular array mode.
As preferably, wherein the opening of this sleeve chamber is convexly equipped with a circle block edge inside, and it is spacing that this cylinder is coordinated a packing ring to stop by the block edge of this sleeve.
As preferably, wherein this cylinder is combined a cylinder main body by a slip cap and forms, this slip cap is mounted in the chamber of sleeve slidably, there is inside this slip cap an axially disposed hollow bulb, the butting section of cylinder is arranged at this hollow bulb one end near sleeve chamber sealing surface, this cylinder main body one end penetrates in the hollow bulb of slip cap, utilizes spiro mode to be combined with slip cap fixing.
As preferably, wherein this slip cap outer rim is provided with a stopper slot and penetrates spacing for a locating part being inserted in sleeve.
As preferably, multiple abutment sleeve is wherein set between the sealing surface of this sleeve chamber and the butting section of this cylinder, is, by the plurality of abutment sleeve, the plurality of buffer spring is separated location.
Pass through said structure, the air tool of the present invention has the beneficial effects that: arrange multiple buffer spring in the chamber of its body sleeve, the arrangement of the plurality of buffer spring is butted between the sealing surface of this sleeve chamber and the butting section of this cylinder, make to be formed between this sealing surface and this butting section multiple elastic support points, and can be when piston piece slide displacement backward clashes into gas valve unit, with the average counteracting force disperseing buffering collision of closed, reach multi-buffer shock-proof effect, effectively reduce counteracting force and be transferred to user hand.
Accompanying drawing explanation
Fig. 1 is the air tool stereoscopic figure of the present invention.
Fig. 2 is the air tool three-dimensional exploded view of the present invention.
Fig. 3 is another view stereo figure of the slip cap of the present invention.
Fig. 4 is the air tool profile of the present invention.
Fig. 5 is that Fig. 4 is along line A-A profile.
Fig. 6 is the schematic diagram being promoted forward piston piece by air pressure of the present invention.
Fig. 7 is the schematic diagram backward being promoted piston piece by air pressure of the present invention.
Fig. 8 is the action schematic diagram of the piston piece sliding backward shock of the present invention.
Fig. 9 is the air tool profile of another embodiment of the present invention.
Figure 10 is the air tool profile of another embodiment of the present invention.
Figure 11 is the partial enlarged drawing of Figure 10 circle choosing part.
Figure 12 is the schematic diagram of another embodiment of the present invention buffer spring compression buffering collision of closed.Figure 13 is that Figure 10 is along line B-B profile.
Figure 14 is existing air tool profile.
Description of reference numerals
[prior art]
10 levers
101 inlet ends
102 inlet channels
103 cylindrical portion
104 chambers
20 gas valve units
30 cylinders
301 sliding rooms
302 air flow channels
40 piston pieces
[present invention]
1 body
11 levers
111 inlet ends
112 inlet channels
12 sleeves
120 chambers
121 sealing surfaces
122 openings
123 first location divisions
124 block edges
125 packing rings
126 locating parts
2 cylinders
21 slip caps
210 chambers
211 butting sections
212 second location divisions
213 stopper slots
22 cylinder main bodies
220 sliding rooms
221 storage tanks
222 sliding parts
223 compression springs
3 gas valve units
4 piston pieces
41 start axis
5 buffer springs
6 abutment sleeves
Detailed description of the invention
nullRefer to Fig. 1、Fig. 2、Fig. 3、Fig. 4 and Fig. 5，The pneumatic tool of the present invention，Comprise: a body 1、One cylinder 2、One gas valve unit 3、One piston piece 4 and a buffer spring 5，Wherein this body 1 includes lever 11 and a sleeve 12，This lever 11 is connected with each other with this sleeve 12，This lever 11 is provided with one for connecing the inlet end 111 setting pressure-air、Inlet channel that one communicates with this inlet end 111 112 and one controls the switch (not shown) of this inlet end 111 air inlet，This sleeve 12 is internal has an axially disposed chamber 120，This chamber 120 one end arranges a sealing surface 121，The other end arranges an opening 122，On this sealing surface 121, arrangement is provided with multiple first location division 123，The arrangement mode of the plurality of first location division 123 is annular array，This opening 122 is convexly equipped with a circle block edge 124 inside，This cylinder 2 of inlet channel is combined a cylinder main body 22 by a slip cap 21 and forms，This slip cap 21 is mounted in the chamber 120 of sleeve 12 slidably，This slip cap 21 is internal has an axially disposed hollow bulb 210，This hollow bulb 210 arranges a butting section 211 near one end of sleeve 12 chamber 120 sealing surface 121，This butting section 211 is provided with the annular array that arrangement mode is corresponding above-mentioned first location division 123 of the plurality of second location division 212, multiple second location division 212 towards arrangement in the one side of sleeve 12 chamber 120 sealing surface 121，This slip cap 21 is coordinated a packing ring 125 to stop spacing by the block edge 124 of this sleeve 12 again，And in this slip cap 21 outer rim be provided with one stopper slot 213 for one be inserted in sleeve 12 locating part 126 penetrate spacing，This cylinder main body 22 one end penetrates in the hollow bulb 210 of slip cap 21，Spiro mode is utilized to be combined with slip cap 21 fixing，And this cylinder main body 22 is passed one section outside sleeve 12 by the opening 122 of this sleeve 12 chamber 120，This cylinder main body 22 is internal is provided with an axially disposed sliding room 220，This rear end, cunning room 220 is provided with the storage tank 221 of an expansion shape，This storage tank 221 content is provided with a ring-type sliding part 222 and this gas valve unit 3 of a compression spring 223 is arranged between the sliding room 20 of this this cylinder 2 and butting section 211，Make pressure-air can arrive this gas valve unit 3 by the inlet channel 112 of this lever 11，This piston piece 4 is placed in the sliding room 220 of this cylinder main body 22 sliding before and after start axis 41 activity，The plurality of buffer spring 5 is arranged in the chamber 120 of this sleeve 12，Arrange in annular array mode between the butting section 211 of the butted sealing surface 121 in this sleeve 12 chamber 120 and this cylinder 2 slip cap 21，And the plurality of buffer spring 5 two ends position with the second location division 212 fit on multiple first location divisions 123 on this sealing surface 121 and this butting section 211 respectively，The compression direction making the plurality of buffer spring 5 is parallel with the start axis 41 of this piston piece 4 sliding.
nullTherefore，The switch on lever 11 is opened during use，As shown in Figure 6，Pressure-air is made to arrive gas valve unit 3 by the inlet channel 112 of this lever 11，Control to enter the rear end, sliding room 220 of cylinder main body 22 through gas valve unit 3，Promote piston piece 4 slide displacement forward to sliding room 220 front end impact tool heads (not shown)，Stopped by this tool heads block sliding，The most as shown in Figures 7 and 8，Pressure-air controls conversion through gas valve unit 3 and enters the sliding front end, room 220 of cylinder 22，Promote piston piece 4 slide displacement backward to sliding room 220 rear-end collision gas valve unit 3，And during band dynamic air cylinder 2 displacement backward，By multiple buffer springs 5 of this annular array，Multiple elastic support points is formed between the sealing surface 121 of this sleeve 12 chamber 120 and the butting section 211 of this cylinder 2 slip cap 21，With the average counteracting force disperseing buffering collision of closed，Reach multi-buffer shock-proof effect，Effectively reduce counteracting force and be transferred to user hand，So，Piston piece 4 is promoted before and after reciprocal，Carry out predetermined work.
In addition, outside the arrangement mode division ring figurate number group of above-mentioned multiple buffer spring 5, the most also rectangular array can be set to as shown in Figure 9, the arrangement mode coordinating multiple first location divisions 123 on sealing surface 121 and the plurality of second location division 212 on butting section 211 is set to the rectangular array of correspondence, make the plurality of buffer spring 5 two ends respectively with the second location division 212 fit of multiple first location divisions 123 of this sealing surface 121 with this butting section 211, and then make the plurality of buffer spring 5 separate location.
More, the plurality of buffer spring 5 except can as above-mentioned utilize multiple first location division 123 and multiple second location division 212 and positioned in addition to, the most also can be as shown in Figure 10, Figure 11, Figure 12 and Figure 13, in between the sealing surface 121 of this sleeve 12 chamber 120 and the butting section 211 of this cylinder 2 slip cap 21, multiple abutment sleeve 6 is set, by the plurality of abutment sleeve 6, the plurality of buffer spring 5 is separated location, and limited the maximum compression of buffer spring 5, extended the service life of buffer spring 5.
By the structure of above-mentioned specific embodiment, available following benefit:
The pneumatic tool cushion structure of the present invention, the chamber 120 of its pneumatic tool body 1 sleeve 12 arranges multiple buffer spring 5, the plurality of buffer spring 5 arranges between the butting section 211 of the butted sealing surface 121 in this sleeve 12 chamber 120 and this cylinder 2 slip cap 21, make to form multiple elastic support points between this sealing surface 121 and this butting section 211, and can be when piston piece 4 slide displacement backward clashes into gas valve unit 3, the counteracting force of buffering collision of closed is averagely disperseed by the plurality of buffer spring 5, form multi-buffer shock-proof effect, effectively reduce counteracting force and be transferred to user hands portion, reach to use rapid operation and protection user wrist to alleviate the effect ached and injure.
Claims (8)
1. a pneumatic tool, it is characterised in that comprise:
One body, includes a lever and a sleeve, and this lever is connected with each other with this sleeve, and this sleeve inner has a chamber, and this chamber is a sealing surface, and the other end is set to an opening；
One cylinder, spacing is mounted in the chamber of sleeve slidably, and by the opening of this chamber pass one section outside sleeve, this cylinder interior has a sliding room, and this cylinder arranges a butting section near one end of sleeve chamber sealing surface；
One gas valve unit, is arranged between the sliding room of this cylinder and butting section；
One piston piece, is placed in the sliding room of this cylinder sliding before and after a start axis activity；And
Multiple buffer springs, the plurality of buffer spring is arranged in the chamber of this sleeve, arrange butted between the sealing surface of this sleeve chamber and the butting section of this cylinder, and the compression direction of the plurality of buffer spring is parallel with the start axis of this piston piece sliding, and forms multiple elastic support points between this sealing surface and this butting section.
2. a kind of pneumatic tool as claimed in claim 1, it is characterized in that, wherein on the sealing surface of this sleeve chamber, arrangement is provided with multiple first location division, this cylinder butting section is provided with multiple second location division towards arrangement in the one side of sleeve chamber sealing surface, and the plurality of buffer spring two ends position with the plurality of first location division and the plurality of second location division fit respectively.
3. a kind of pneumatic tool as claimed in claim 2, it is characterized in that, the arrangement mode of the most the plurality of first location division and multiple second location division is corresponding annular array, and the plurality of buffer spring arranges butted between the sealing surface of this sleeve chamber and the butting section of this cylinder in annular array mode.
4. a kind of pneumatic tool as claimed in claim 2, it is characterized in that, the arrangement mode of the most the plurality of first location division and multiple second location division is corresponding rectangular array, and the plurality of buffer spring arranges butted between the sealing surface of this sleeve chamber and the butting section of this cylinder in rectangular array mode.
5. a kind of pneumatic tool as claimed in claim 1, it is characterised in that wherein the opening of this sleeve chamber is convexly equipped with a circle block edge inside, and it is spacing that this cylinder is coordinated a packing ring to stop by the block edge of this sleeve.
6. a kind of pneumatic tool as claimed in claim 1, it is characterized in that, wherein this cylinder is combined a cylinder main body by a slip cap and forms, this slip cap is mounted in the chamber of sleeve slidably, there is inside this slip cap an axially disposed hollow bulb, the butting section of cylinder is arranged at this hollow bulb one end near sleeve chamber sealing surface, and this cylinder main body one end penetrates in the hollow bulb of slip cap, utilizes spiro mode to be combined with slip cap fixing.
7. pneumatic tool as claimed in claim 6 a kind of, it is characterised in that wherein this slip cap outer rim is provided with a stopper slot and penetrates spacing for a locating part being inserted in sleeve.
8. a kind of pneumatic tool as claimed in claim 1, it is characterised in that wherein arrange multiple abutment sleeve between the sealing surface of this sleeve chamber and the butting section of this cylinder, is, by the plurality of abutment sleeve, the plurality of buffer spring is separated location.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104201387 | 2015-01-28 | ||
| TW104201387U TWM500662U (en) | 2015-01-28 | 2015-01-28 | Pneumatic tool damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105818106A true CN105818106A (en) | 2016-08-03 |
Family
ID=53722445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510535456.2A Pending CN105818106A (en) | 2015-01-28 | 2015-08-27 | Pneumatic tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105818106A (en) |
| TW (1) | TWM500662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI647077B (en) * | 2017-12-01 | 2019-01-11 | 日溢企業有限公司 | Reciprocating pneumatic tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071094A (en) * | 1973-06-21 | 1978-01-31 | Viktor Evdokimovich Kilin | Portable pneumatic percussive tool |
| US6161628A (en) * | 2000-04-28 | 2000-12-19 | Q.C. Witness Int. Co., Ltd. | Pneumatic tool |
| CN2443808Y (en) * | 2000-10-10 | 2001-08-22 | 中国气动工业股份有限公司 | Suspension damping apparatus for portable dynamic tool |
| CN2900094Y (en) * | 2006-04-29 | 2007-05-16 | 赵恩品 | Single handle air pick |
| CN2905357Y (en) * | 2006-05-19 | 2007-05-30 | 唐金浩 | Air pick |
| CN201579768U (en) * | 2009-12-27 | 2010-09-15 | 陈国兴 | Pneumatic pick with move-down radial exhaust holes |
-
2015
- 2015-01-28 TW TW104201387U patent/TWM500662U/en not_active IP Right Cessation
- 2015-08-27 CN CN201510535456.2A patent/CN105818106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071094A (en) * | 1973-06-21 | 1978-01-31 | Viktor Evdokimovich Kilin | Portable pneumatic percussive tool |
| US6161628A (en) * | 2000-04-28 | 2000-12-19 | Q.C. Witness Int. Co., Ltd. | Pneumatic tool |
| CN2443808Y (en) * | 2000-10-10 | 2001-08-22 | 中国气动工业股份有限公司 | Suspension damping apparatus for portable dynamic tool |
| CN2900094Y (en) * | 2006-04-29 | 2007-05-16 | 赵恩品 | Single handle air pick |
| CN2905357Y (en) * | 2006-05-19 | 2007-05-30 | 唐金浩 | Air pick |
| CN201579768U (en) * | 2009-12-27 | 2010-09-15 | 陈国兴 | Pneumatic pick with move-down radial exhaust holes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI647077B (en) * | 2017-12-01 | 2019-01-11 | 日溢企業有限公司 | Reciprocating pneumatic tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM500662U (en) | 2015-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160803 |
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| WD01 | Invention patent application deemed withdrawn after publication |