CN104742075A - Pneumatic air wrench air inlet regulating structure - Google Patents
Pneumatic air wrench air inlet regulating structure Download PDFInfo
- Publication number
- CN104742075A CN104742075A CN201510137056.6A CN201510137056A CN104742075A CN 104742075 A CN104742075 A CN 104742075A CN 201510137056 A CN201510137056 A CN 201510137056A CN 104742075 A CN104742075 A CN 104742075A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- valve seat
- inlet
- valve
- handle body
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 title abstract description 7
- 239000011148 porous material Substances 0.000 claims description 20
- 229910001369 Brass Inorganic materials 0.000 claims description 17
- 239000010951 brass Substances 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 4
- 229910052802 copper Inorganic materials 0.000 abstract 4
- 239000010949 copper Substances 0.000 abstract 4
- 238000007789 sealing Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002350 accommodative effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a pneumatic air wrench air inlet regulating structure which comprises a handle body, a regulating module and an air inlet module. The regulating module and the air inlet module are arranged in the handle body. The regulating module comprises an air inlet valve seat assembly, a flow regulator and a direction rod. The air inlet valve seat assembly comprises an air inlet valve seat and a valve seat copper lining. The valve seat copper lining is pressed into the air inlet valve seat. An air inlet is formed in the air inlet valve seat. Multiple vent holes are formed in the valve seat copper lining. The air inlet module comprises a locking screw, a framework oil seal, an oblique valve, an oblique valve spring and an air inlet connector. The framework oil seal and the oblique valve jointly seal an air inlet channel. The control of forward and reverse turning, turning speed and torque force of a pneumatic air wrench is achieved through matching between the flow regulator and the valve seat copper lining, regulating operation steps are simplified, and usage convenience of the pneumatic air wrench is improved.
Description
Technical field
The invention belongs to pneumatic tool field, specifically refer to a kind of aerodynamic wind spanner air inlet adjustment structure.
Background technology
The hand-held extracting tool of aerodynamic wind spanner to be the field extensive uses such as existing machinery, engineering or building a kind of by compressed air be power.By the cylinder of compressed air-driven spanner inside, improved the torsion of spanner end by the rotation of cylinder and reinforcing member, to realize installation to bolt etc. or dismounting.
Aerodynamic wind spanner is carrying out the course of work, different in different workplaces, can need different torsion, at this moment, just need to regulate air inflow.The adjustment structure now used can make because of sealing ring plastic deformation in use for some time cannot closed gas-flow completely, causes wind spanner to leak gas.And needs just can complete by operating two control assemblies when carrying out regulable control to wind spanner, such structure makes the reality convenience that in use wind wrench operated uses reduce.
Summary of the invention
The object of the invention is, by proposing improvement opportunity scheme to aerodynamic wind spanner air inlet adjustment structure, by the technical program, to improve the sealing effectiveness of aerodynamic wind spanner, simplified the step of adjustment operation simultaneously, improve the convenience that aerodynamic wind spanner uses.
The present invention is achieved by the following technical solutions:
A kind of aerodynamic wind spanner air inlet adjustment structure, includes handle body, is arranged at the adjusting part in described handle body and air intake assembly;
Described adjusting part includes inlet valve seat assembly, flow regulator and steering yoke; Described inlet valve seat assembly includes inlet valve seat and valve seat brass; Described valve seat brass is pressed in described inlet valve seat; Described inlet valve seat is provided with air inlet; Described valve seat brass is provided with multiple passage;
Described flow regulator and described steering yoke are bolted; Described flow regulator rotates and is arranged in described valve seat brass; The sidewall of described flow regulator is provided with intercommunicating pore, and described intercommunicating pore is connected with described passage respectively or closes;
Described handle body includes handle body body and the grip part with described handle body body integrative-structure; The inlet channel be communicated with described handle body body internal diameter is provided with in described grip part; The one end be connected with described handle body body in described grip part is provided with trigger installation portion; Described trigger installation portion is provided with trigger through hole and is communicated with described inlet channel;
Described air intake assembly includes lock screw, outside framework oil seal, inclined valve, inclined valve spring and inlet suction port; Described lock screw is connected with the air inlet on described inlet valve seat by leak-proof gasket in described inlet channel; Described outside framework oil seal, inclined valve and inclined valve spring are set in turn in described inlet channel; Described inlet suction port is connected with described inlet channel; Described outside framework oil seal and described inclined valve seal described inlet channel jointly.
The quantity of described passage is at least three, and the aperture of each described passage is all not identical.
Arc length between adjacent two described passages is not identical.
Described intercommunicating pore is square opening, mounting hole or slotted eye.
The center line of described intercommunicating pore and the radius of described flow regulator do not coincide.
Described inclined valve includes valve body and the valve rod through described valve body; The length that described valve rod is positioned at described outside framework oil seal side is greater than the length being positioned at inclined valve spring side.
Also include noise reduction lid, described noise reduction lid is arranged in described inlet channel.
Described noise reduction lid is arranged between described inclined valve spring and described inlet suction port.
The invention has the beneficial effects as follows:
The technical program is by proposing improvement opportunity scheme to aerodynamic wind spanner air inlet adjustment structure, the control realized the rotating of aerodynamic wind spanner, rotating speed and torsion is coordinated by position, hole between flow regulator with valve seat brass, simplify the step of adjustment operation, improve the convenience that aerodynamic wind spanner uses.
By adopting inclined valve structure in inlet channel, improve the sealing effectiveness of aerodynamic wind spanner.
Accompanying drawing explanation
Fig. 1 is aerodynamic wind spanner air inlet adjustment STRUCTURE DECOMPOSITION schematic diagram of the present invention.
Description of reference numerals
1 handle body, 2 steering yokes, 3 bolts, 4 Air-regulating valves O type rings, 5 flow regulators, 6 valve seat gaskets, 7 leak-proof gaskets, 8 lock screws, 9 outside framework oil seals, 10 inclined valves, 11 inclined valve springs, 12 noise reduction lids, 13 noise reduction lid gaskets, 14 inlet suction ports, 15 inlet valve seats, 16 valve seat brass, 17 stage clips, 18 steel balls, 19 resilient keys, 20 handle body bodies, 21 trigger installation portions, 22 grip parts, 23 air inlets, 24 intercommunicating pores, 25 passages.
Detailed description of the invention
Describe technical scheme of the present invention in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
The invention provides a kind of aerodynamic wind spanner air inlet adjustment structure, as shown in Figure 1, include handle body 1, be arranged at the adjusting part in described handle body 1 and air intake assembly;
Described adjusting part includes inlet valve seat assembly, flow regulator 5 and steering yoke 2; Described inlet valve seat assembly includes inlet valve seat 15 and valve seat brass 16; Described valve seat brass 16 is pressed in described inlet valve seat 15; Described inlet valve seat 15 is provided with air inlet 23; Described valve seat brass 16 is provided with multiple passage 25; In the present embodiment, the quantity of described passage 25 is five, and the aperture of each described passage 25 is all not identical, represents different throughputs, for representing the adjustable gear of aerodynamic wind spanner after adjustment.In this application, the quantity of passage 25 is at least three, can be three passages, four passages, five passages, six passages or more passage.The arc length of the valve seat brass between arbitrary neighborhood two described passages is not identical.Such setting is for the ease of when regulating steering yoke or rotating, and to the determination of degree of regulation, prevent because the arc length between adjacent two passages is identical, and occur accommodative excess or deficiency, and impact uses.
Inlet valve seat 15 is also provided with stage clip 17 and steel ball 18, for when travel direction bar 2 regulates, sends and regulate sound to operator.Inlet valve seat 15 is also provided with valve seat gasket 6, for sealing inlet valve seat 15.
Described flow regulator 5 is connected by bolt 3 with described steering yoke 2, is provided with Air-regulating valves O type ring 4 between flow regulator 5 and steering yoke 2, for sealing flow regulator 5 and steering yoke 2; Described flow regulator 5 rotates and is arranged in described valve seat brass 16, and in the present embodiment, the outer wall of flow regulator 5 is cylindrical; The sidewall of described flow regulator 5 is provided with intercommunicating pore 24, and described intercommunicating pore 24 is connected with described passage 25 respectively or closes; In the present embodiment, described intercommunicating pore 24 is square opening, and in other embodiment of the application, intercommunicating pore can be mounting hole or slotted eye.
In the present embodiment, the center line of described intercommunicating pore 24 and the radius of described flow regulator 5 do not coincide, this structure is exactly that this intercommunicating pore 24 has certain gradient on flow regulator 5 sidewall, and the opening that intercommunicating pore 24 is positioned at flow regulator wall outer surface can not overlap with the opening of intercommunicating pore in flow regulator side wall inner surfaces when carrying out moving to side wall inner surfaces along the radius of flow regulator or diameter.In the present embodiment, the center line of intercommunicating pore is have certain radian, this radian is greater than the radian of flow regulator sidewall, the advantage of such intercommunicating pore structure is, enter in cylinder along certain slope by the gas of this intercommunicating pore, the power being vertically applied to blade is greater than to the rotatory force of blade, is conducive to putting forward high-octane utilization rate.
Described handle body 1 includes handle body body 20 and the grip part 22 with described handle body body 20 integrative-structure; In the present embodiment, the internal diameter of handle body body 20 is not circular.The inlet channel be communicated with described handle body body 20 internal diameter is provided with in described grip part 22; The one end be connected with described handle body body 20 in described grip part 22 is provided with trigger installation portion 21; Described trigger installation portion 21 is provided with trigger through hole and is communicated with described inlet channel, and trigger is fixed in trigger installation portion 21 by resilient key 19 is movable.
Described air intake assembly includes lock screw 8, outside framework oil seal 9, inclined valve 10, inclined valve spring 11 and inlet suction port 14; Described lock screw 8 is connected with the air inlet 23 on described inlet valve seat 15 by leak-proof gasket 7 in described inlet channel; Described outside framework oil seal 9, inclined valve 10 and inclined valve spring 11 are set in turn in described inlet channel; One end of inclined valve spring 11 peaks on inclined valve 10, and the other end peaks on air inlet pipe joint 14.Described inlet suction port 14 is threaded connection with described inlet channel; Described outside framework oil seal 9 seals described inlet channel jointly with described inclined valve 10, that is, when not pulling trigger, is jointly sealed by whole inlet channel by outside framework oil seal 9 and inclined valve 10.
Described inclined valve 10 includes valve body and the valve rod through described valve body; The length that described valve rod is positioned at described outside framework oil seal side is greater than the length being positioned at inclined valve spring side.Also include noise reduction lid 12, described noise reduction lid 12 is arranged in described inlet channel.Described noise reduction lid 12 is arranged between described inclined valve spring 11 and described inlet suction port 14, between noise reduction lid 12 and described inlet suction port 14, be also provided with noise reduction lid gasket 13.
The air inlet adjustment structure of the application's design is made up of air intake assembly and adjusting part; Wherein in air intake assembly, substituted for original sealing ring with outside framework oil seal, and opening and closing pin top cover and opening and closing pin are integrally changed into inclined valve, change material into more pliable and tougher plastics simultaneously.It is better that these improve the sealing effectiveness not only making opening and closing pin mechanism, and make product reaction speed when opening and closing rapider; In adjusting part by original structure by valve pocket with just controlling rotating against valve rod, it is unified for not only to control rotating but also can control air inflow size with a steering yoke that flow regulator controls tolerance size, makes the use of wind spanner more convenient.Flow regulator, valve seat brass, inlet valve seat is added in new adjusting part, wherein form inlet valve seat assembly in valve seat brass press-in inlet valve seat, it achieves the control to the rotating of aerodynamic wind spanner and rotating speed size and torsion by the cooperation of position, different hole from flow regulator.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (8)
1. an aerodynamic wind spanner air inlet adjustment structure, is characterized in that: include handle body, is arranged at the adjusting part in described handle body and air intake assembly;
Described adjusting part includes inlet valve seat assembly, flow regulator and steering yoke; Described inlet valve seat assembly includes inlet valve seat and valve seat brass; Described valve seat brass is pressed in described inlet valve seat; Described inlet valve seat is provided with air inlet; Described valve seat brass is provided with multiple passage;
Described flow regulator and described steering yoke are bolted; Described flow regulator rotates and is arranged in described valve seat brass; The sidewall of described flow regulator is provided with intercommunicating pore, and described intercommunicating pore is connected with described passage respectively or closes;
Described handle body includes handle body body and the grip part with described handle body body integrative-structure; The inlet channel be communicated with described handle body body internal diameter is provided with in described grip part; The one end be connected with described handle body body in described grip part is provided with trigger installation portion; Described trigger installation portion is provided with trigger through hole and is communicated with described inlet channel;
Described air intake assembly includes lock screw, outside framework oil seal, inclined valve, inclined valve spring and inlet suction port; Described lock screw is connected with the air inlet on described inlet valve seat by leak-proof gasket in described inlet channel; Described outside framework oil seal, inclined valve and inclined valve spring are set in turn in described inlet channel; Described inlet suction port is connected with described inlet channel; Described outside framework oil seal and described inclined valve seal described inlet channel jointly.
2. aerodynamic wind spanner air inlet adjustment structure according to claim 1, is characterized in that: the quantity of described passage is at least three, and the aperture of each described passage is all not identical.
3. aerodynamic wind spanner air inlet adjustment structure according to claim 2, is characterized in that: the arc length between adjacent two described passages is not identical.
4. aerodynamic wind spanner air inlet adjustment structure according to claim 1, is characterized in that: described intercommunicating pore is square opening, mounting hole or slotted eye.
5. the aerodynamic wind spanner air inlet adjustment structure according to claim 1 or 4, is characterized in that: the center line of described intercommunicating pore and the radius of described flow regulator do not coincide.
6. aerodynamic wind spanner air inlet adjustment structure according to claim 1, is characterized in that: described inclined valve includes valve body and the valve rod through described valve body; The length that described valve rod is positioned at described outside framework oil seal side is greater than the length being positioned at inclined valve spring side.
7. aerodynamic wind spanner air inlet adjustment structure according to claim 1, it is characterized in that: also include noise reduction lid, described noise reduction lid is arranged in described inlet channel.
8. aerodynamic wind spanner air inlet adjustment structure according to claim 7, is characterized in that: described noise reduction lid is arranged between described inclined valve spring and described inlet suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137056.6A CN104742075B (en) | 2015-03-26 | 2015-03-26 | A kind of aerodynamic wind spanner air inlet adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137056.6A CN104742075B (en) | 2015-03-26 | 2015-03-26 | A kind of aerodynamic wind spanner air inlet adjustment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104742075A true CN104742075A (en) | 2015-07-01 |
| CN104742075B CN104742075B (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137056.6A Active CN104742075B (en) | 2015-03-26 | 2015-03-26 | A kind of aerodynamic wind spanner air inlet adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104742075B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048753A (en) * | 2018-09-29 | 2018-12-21 | 西安飞机工业（集团）有限责任公司 | A kind of pneumatic quick-release arrangement and method for dismounting of Closely locking nut |
| CN110039484A (en) * | 2019-05-31 | 2019-07-23 | 沙洲职业工学院 | It is a kind of to load and unload the bot drive device being switched fast |
| CN116852302A (en) * | 2023-06-02 | 2023-10-10 | 福州福善风动设备有限公司 | Air inlet adjusting structure of pneumatic air wrench |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040414B1 (en) * | 2004-11-16 | 2006-05-09 | David Kuo | Pneumatic tool |
| CN2802150Y (en) * | 2005-06-06 | 2006-08-02 | 镁迪企业股份有限公司 | Intake valve device for air tools |
| US7174971B1 (en) * | 2005-12-29 | 2007-02-13 | Sunmatch Industrial Co., Ltd. | Clockwise or counterclockwise rotation control device of a pneumatic tool |
| CN2893258Y (en) * | 2006-04-11 | 2007-04-25 | 冠亿齿轮股份有限公司 | Intake device for air tools |
| US20120325511A1 (en) * | 2011-06-21 | 2012-12-27 | Ming-Ta Cheng | Air-inlet switching assembly for a pneumatic tool |
| TW201330994A (en) * | 2012-01-16 | 2013-08-01 | Pneutrend Industry Co Ltd | Driving direction and flow rate control device of pneumatic tool |
-
2015
- 2015-03-26 CN CN201510137056.6A patent/CN104742075B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040414B1 (en) * | 2004-11-16 | 2006-05-09 | David Kuo | Pneumatic tool |
| CN2802150Y (en) * | 2005-06-06 | 2006-08-02 | 镁迪企业股份有限公司 | Intake valve device for air tools |
| US7174971B1 (en) * | 2005-12-29 | 2007-02-13 | Sunmatch Industrial Co., Ltd. | Clockwise or counterclockwise rotation control device of a pneumatic tool |
| CN2893258Y (en) * | 2006-04-11 | 2007-04-25 | 冠亿齿轮股份有限公司 | Intake device for air tools |
| US20120325511A1 (en) * | 2011-06-21 | 2012-12-27 | Ming-Ta Cheng | Air-inlet switching assembly for a pneumatic tool |
| TW201330994A (en) * | 2012-01-16 | 2013-08-01 | Pneutrend Industry Co Ltd | Driving direction and flow rate control device of pneumatic tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048753A (en) * | 2018-09-29 | 2018-12-21 | 西安飞机工业（集团）有限责任公司 | A kind of pneumatic quick-release arrangement and method for dismounting of Closely locking nut |
| CN110039484A (en) * | 2019-05-31 | 2019-07-23 | 沙洲职业工学院 | It is a kind of to load and unload the bot drive device being switched fast |
| CN110039484B (en) * | 2019-05-31 | 2024-01-12 | 沙洲职业工学院 | Bolt driving device capable of being rapidly switched in assembly and disassembly |
| CN116852302A (en) * | 2023-06-02 | 2023-10-10 | 福州福善风动设备有限公司 | Air inlet adjusting structure of pneumatic air wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104742075B (en) | 2016-08-17 |
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