CN211940686U - Gas circuit structure of pneumatic air plate - Google Patents
Gas circuit structure of pneumatic air plate Download PDFInfo
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- CN211940686U CN211940686U CN202020655707.7U CN202020655707U CN211940686U CN 211940686 U CN211940686 U CN 211940686U CN 202020655707 U CN202020655707 U CN 202020655707U CN 211940686 U CN211940686 U CN 211940686U
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Abstract
The utility model discloses a gas circuit structure of a pneumatic air plate, which comprises a front gun body, a rear gun body, a gun head assembly, a pneumatic motor, a rotary controller, a reversing adjusting button and a gas inlet joint, wherein an exhaust cavity is formed between the pneumatic motor and the rear gun body, a gas inlet cavity is formed between the rotary controller and the rear end part of the rear gun body, and the reversing adjusting button is relatively and fixedly connected with the rotary controller; the rotary controller is provided with an air inlet through hole communicated with the air inlet cavity, the pneumatic motor comprises a front cover, a rotor assembly, an air cylinder body and a rear cover, the rear cover is respectively provided with a forward air inlet hole and a reverse air inlet hole which can be connected with the inside of the air cylinder body and realize communication with the air inlet through hole, the air cylinder body is provided with a plurality of exhaust holes which are connected with the exhaust cavity and communicated with the inside of the air cylinder body, and the handle part of the rear gun body is respectively provided with an air inlet channel and an exhaust. The utility model discloses the gas circuit component part of the switching-over that admits air is less, effectual reduction processing cost, and its component structure is simple, sealed effectual, convenient operation is used.
Description
Technical Field
The utility model relates to a technical field is pulled to pneumatic wind, especially relates to a gas circuit structure that pneumatic wind was pulled.
Background
The pneumatic air plate is mainly used for assembling operation in various fields, and is used for screwing and unscrewing screws and nuts and the like.
Because the pneumatic air plates have different structures, the internal air path structures of the pneumatic air plates are also different, most of the existing pneumatic air plates are gun bodies formed by plastic, air path parts are arranged in the gun bodies, and an aluminum alloy sealing cover is arranged at the rear end part in a matched mode to achieve the air inlet reversing effect; the air path structure for air intake reversing needs to be composed of multiple parts, so that the processing cost is increased, the sealing effect of the joints of the multiple parts is poor, air leakage is easy to occur, and the use is influenced.
Disclosure of Invention
The utility model provides a solve above defect and provide a gas circuit structure that pneumatic wind was pulled, the gas circuit component part of the switching-over that admits air is less, effectual reduction processing cost, and its component structure is simple, sealed effectual, the convenient operation is used.
In order to solve the technical problem, the utility model adopts the technical scheme that: a gas circuit structure of a pneumatic air plate comprises a front gun body, a rear gun body, a gun head assembly, a pneumatic motor, a rotary controller, a reversing adjusting button and a gas inlet joint, wherein the front gun body is fixedly connected with the rear gun body; the pneumatic gun is characterized in that an air inlet through hole communicated with the air inlet cavity is formed in the rotary controller, the pneumatic motor comprises a front cover, a rotor assembly, an air cylinder body and a rear cover, the rear cover is respectively provided with a forward air inlet hole and a reverse air inlet hole which can be connected with the inside of the air cylinder body and can be communicated with the air inlet through hole, the air cylinder body is provided with a plurality of exhaust holes which are connected with the exhaust cavity and are communicated with the inside of the air cylinder body, the handle part of the rear gun body is respectively provided with an air inlet channel and an exhaust channel, the air inlet channel is communicated with the air inlet.
The air cylinder is characterized in that air inlet grooves are formed in two sides of the air cylinder body, communicated air holes are formed between the air inlet grooves in the two sides, and the air inlet grooves and the communicated air holes can be communicated with a forward air inlet hole and a reverse air inlet hole.
The rear end part of the rear gun body is provided with a positioning rotary hole, the rotary controller comprises an air inlet part, a positioning part and an installation part, a positioning table abutted against the inner wall of the rear gun body is formed between the positioning part and the installation part, and the installation part is matched in the positioning rotary hole; the air inlet through hole is formed in the air inlet portion of the rotary controller.
The reversing adjusting button is provided with a gear pin hole, a rotation angle prompting device is installed in the gear pin hole and comprises a steel ball and a gear spring, and a forward gear groove and a reverse gear groove which can correspond to the steel ball are formed in the positioning rotation hole.
An opening and closing valve is fixedly installed in the air inlet channel through an air inlet connector, and a switch assembly for controlling the opening and closing valve is arranged on the handle part of the rear gun body.
The rotary controller is provided with a fixing hole, and the reversing adjusting button and the rotary controller penetrate through the fixing hole through a pan head self-tapping screw to be fixedly connected.
And a wave washer is arranged between the positioning part of the rotary controller and the inner wall of the rear gun body.
And O-shaped sealing rings which are tightly abutted against the inner wall of the rear gun body are respectively arranged on the air inlet part and the mounting part of the rotary controller.
And silencing cotton is arranged in the exhaust passage.
The utility model discloses following beneficial effect has:
compared with the prior art, the utility model has the advantages that the aluminum alloy sealing cover is not needed to be added at the rear end part of the gun body, the air path structure for air intake reversing can be formed through the matching of the rotary controller, the rear gun body and the pneumatic motor part, the reversing adjusting button is connected to the end surface of the rotary controller outside the rear gun body, and the air intake reversing and the air intake flow adjusting can be realized by driving the rotary controller to rotate through the reversing adjusting button; compared with the prior structure, the number of parts is reduced, so that the clearance of the assembly parts is reduced, the required sealing place is correspondingly reduced, and the sealing performance of the pneumatic wind plate in the use process is better improved; meanwhile, the structure is simpler, and the air inlet reversing and air inlet flow operation is simple and convenient.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a perspective view of the middle and rear covers of the present invention;
fig. 4 is a sectional view of the present invention in another direction.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 4, the utility model provides a gas circuit structure of pneumatic air wrench, including the front gun body 1, the rear gun body 2, the gun head assembly 3, the pneumatic motor 4, the rotary controller 5, the reversing adjusting button 6 and the air inlet joint 7, the front gun body 1 and the rear gun body 2 are fixedly connected through the long bolt outside, the sealing gasket is added at the joint of the front gun body and the rear gun body, the gun head assembly 3 is arranged in the front gun body 1, the gun head assembly 3 is rotatably connected with the pneumatic motor 4, the pneumatic motor 4 and the rotary controller 5 are arranged in the rear gun body 2, and the reversing adjusting button 6 is relatively fixedly connected with the rotary controller 5; the pneumatic motor 4 comprises a front cover 11, a rotor assembly 12, a cylinder body 13 and a rear cover 14, an exhaust cavity 8 is formed between the cylinder body 13 of the pneumatic motor 4 and the rear gun body 2, an air inlet cavity 9 is formed between the rotary controller 5 and the rear end part of the rear gun body 2, and an air inlet through hole 10 communicated with the air inlet cavity 9 is formed in the rotary controller 5; the rear cover 14 is respectively provided with a forward air inlet 15 and a reverse air inlet 16 which can be connected with the inside of the cylinder block 13 and are communicated with the air inlet through hole 10, two sides of the cylinder block 13 are provided with air inlet grooves 17, a communicated air hole 18 is arranged between the air inlet grooves 17 at two sides, the air inlet grooves 17 and the communicated air hole 18 can be communicated with the forward air inlet 15 and the reverse air inlet 16, and the cylinder block 13 is provided with a plurality of exhaust holes 19 which are connected with the exhaust cavity 8 and are communicated with the inside of the cylinder block; an air inlet channel 20 and an air outlet channel 21 are respectively arranged on the handle part of the rear gun body 2, the air inlet channel 20 is communicated with the air inlet cavity 9, the air outlet channel 21 is communicated with the air outlet cavity 8, an opening and closing valve 22 is fixedly arranged in the air inlet channel 20 through an air inlet joint 7, the opening and closing valve 22 controls the opening and closing of the air inlet channel 20, and a switch assembly 38 for controlling the opening and closing valve 22 is arranged on the handle part.
Specifically, the rear end of the rear gun body 2 is provided with a positioning rotary hole 23, the rotary controller 5 comprises an air inlet part 24, a positioning part 25 and a mounting part 26, a positioning table 27 abutting against the inner wall of the rear gun body 2 is formed between the positioning part 25 and the mounting part 26, and the mounting part 26 is matched in the positioning rotary hole 23; the air inlet through hole 10 is provided on the air inlet portion 24 of the spin controller 5.
Furthermore, a gear pin hole 28 is formed in the reversing adjusting button 6, a rotation angle prompting device is installed in the gear pin hole 28, the rotation angle prompting device comprises a steel ball 29 and a gear spring 30, and a forward gear groove 31 and a reverse gear groove 32 which can correspond to the steel ball 29 are formed in the positioning rotating hole 23; in the process of rotating the reversing adjusting button 6, the steel ball 29 forms a positioning prompt each time when falling into the gear groove, so that the size adjustment of each time is clear.
Specifically, a fixing hole 33 is formed in the rotary controller 5, and the reversing adjusting button 6 and the rotary controller 5 are fixedly connected through the fixing hole 33 by a pan head tapping screw 34.
Furthermore, a wave washer 35 is arranged between the positioning part 25 of the rotary controller 5 and the inner wall of the rear gun body 2, and after the wave washer is installed, a gap is formed between the positioning part 25 and the rear gun body 2, which is beneficial to accelerating the passing of the gas in the gas inlet cavity.
Furthermore, the air inlet part 24 and the mounting part 26 of the rotary controller 5 are respectively provided with an O-ring 36 which is in sealing contact with the inner wall of the rear gun body 2; thereby better ensuring the connection tightness and avoiding the occurrence of air leakage
Further, the exhaust passage 21 is provided with a silencing cotton 37, and the silencing cotton can reduce noise in the exhaust process.
When in use, the reversing adjusting button 6 drives the rotary controller 5 to rotate, so that the air inlet through hole 10 is in butt joint communication with the forward air inlet hole 15 or the reverse air inlet hole 16, and the size of an air ventilation gap is formed between the air inlet through hole 10 and the two holes in a communication state; the switch component 38 is pressed down, the opening and closing valve 22 is in an open state, so that the air inlet channel 20 is in an open state, an air source connected into the air inlet joint 7 sequentially passes through the air inlet channel 20, the air inlet cavity 9 and the air inlet through hole 10, if the pneumatic motor 4 selects a forward rotation state at the moment, the air inlet through hole 10 is communicated with the forward air inlet hole 15, the air source enters the corresponding air inlet groove 17 from the forward air inlet hole 15 and enters the air inlet groove 17 on the other side of the cylinder block 13 through the communicating air hole 18, and then enters the cylinder block 13 to drive the pneumatic motor 4 to work; if the air motor 4 selects a reverse rotation state at the moment, the air inlet through hole 10 is communicated with the reverse air inlet hole 16, and an air source enters the corresponding air inlet groove 17 from the reverse air inlet hole 16 and enters the air inlet groove 17 at the other side of the cylinder block 13 through the communicating air hole 18, so that the air enters the cylinder block 13 to drive the air motor 4 to work; the inlet air goes along the line L1 marked in the figure;
the air motor 4 is in a normal rotation or reverse rotation working state, the internal air enters the exhaust cavity 8 through the exhaust hole 19 on the cylinder block 13 and then enters the exhaust channel 21 of the rear gun body 2, and the air in the exhaust channel 21 is exhausted through the silencing treatment of the silencing cotton 37; the exhaust gas goes along the line labeled L2 in the figure.
The above detailed description is made on the gas circuit structure of the pneumatic air wrench provided by the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understand the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The utility model provides a gas circuit structure of pneumatic wind board which characterized in that: the gun comprises a front gun body, a rear gun body, a gun head assembly, a pneumatic motor, a rotary controller, a reversing adjusting button and an air inlet joint, wherein the front gun body is fixedly connected with the rear gun body; the pneumatic gun is characterized in that an air inlet through hole communicated with the air inlet cavity is formed in the rotary controller, the pneumatic motor comprises a front cover, a rotor assembly, an air cylinder body and a rear cover, the rear cover is respectively provided with a forward air inlet hole and a reverse air inlet hole which can be connected with the inside of the air cylinder body and can be communicated with the air inlet through hole, the air cylinder body is provided with a plurality of exhaust holes which are connected with the exhaust cavity and are communicated with the inside of the air cylinder body, the handle part of the rear gun body is respectively provided with an air inlet channel and an exhaust channel, the air inlet channel is communicated with the air inlet.
2. The air passage structure of an air operated wind plate according to claim 1, wherein: the air cylinder is characterized in that air inlet grooves are formed in two sides of the air cylinder body, communicated air holes are formed between the air inlet grooves in the two sides, and the air inlet grooves and the communicated air holes can be communicated with a forward air inlet hole and a reverse air inlet hole.
3. The air passage structure of an air operated wind plate according to claim 1, wherein: the rear end part of the rear gun body is provided with a positioning rotary hole, the rotary controller comprises an air inlet part, a positioning part and an installation part, a positioning table abutted against the inner wall of the rear gun body is formed between the positioning part and the installation part, and the installation part is matched in the positioning rotary hole; the air inlet through hole is formed in the air inlet portion of the rotary controller.
4. An air passage structure of an air operated wind plate according to claim 3, wherein: the reversing adjusting button is provided with a gear pin hole, a rotation angle prompting device is installed in the gear pin hole and comprises a steel ball and a gear spring, and a forward gear groove and a reverse gear groove which can correspond to the steel ball are formed in the positioning rotation hole.
5. The air passage structure of an air operated wind plate according to claim 1, wherein: an opening and closing valve is fixedly installed in the air inlet channel through an air inlet connector, and a switch assembly for controlling the opening and closing valve is arranged on the handle part of the rear gun body.
6. An air passage structure of an air operated wind plate according to claim 3, wherein: the rotary controller is provided with a fixing hole, and the reversing adjusting button and the rotary controller penetrate through the fixing hole through a pan head self-tapping screw to be fixedly connected.
7. The air passage structure of an air operated wind plate according to claim 6, wherein: and a wave washer is arranged between the positioning part of the rotary controller and the inner wall of the rear gun body.
8. An air passage structure of an air operated wind plate according to claim 3, wherein: and O-shaped sealing rings which are tightly abutted against the inner wall of the rear gun body are respectively arranged on the air inlet part and the mounting part of the rotary controller.
9. The air passage structure of an air operated wind plate according to claim 1, wherein: and silencing cotton is arranged in the exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655707.7U CN211940686U (en) | 2020-04-27 | 2020-04-27 | Gas circuit structure of pneumatic air plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655707.7U CN211940686U (en) | 2020-04-27 | 2020-04-27 | Gas circuit structure of pneumatic air plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211940686U true CN211940686U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020655707.7U Active CN211940686U (en) | 2020-04-27 | 2020-04-27 | Gas circuit structure of pneumatic air plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211940686U (en) |
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2020
- 2020-04-27 CN CN202020655707.7U patent/CN211940686U/en active Active
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