CN215335142U - Exhaust silencing structure of pneumatic tool - Google Patents
Exhaust silencing structure of pneumatic tool Download PDFInfo
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- CN215335142U CN215335142U CN202120514605.8U CN202120514605U CN215335142U CN 215335142 U CN215335142 U CN 215335142U CN 202120514605 U CN202120514605 U CN 202120514605U CN 215335142 U CN215335142 U CN 215335142U
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- exhaust
- silencing
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- barrel
- positioning
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Abstract
The utility model discloses an exhaust silencing structure of a pneumatic tool, which comprises a gun body, wherein an air inlet channel and an air outlet channel are arranged on the gun body, and an air inlet joint is fixedly connected at the port of the air inlet channel; an exhaust silencing device is arranged at the port of the exhaust passage and comprises an exhaust seat, a silencing sleeve and a silencing barrel, the silencing sleeve and the silencing barrel are sleeved on the exhaust seat, a positioning ring is arranged on the exhaust seat, and the silencing barrel can rotate around the exhaust seat and the silencing sleeve; an exhaust channel is arranged in the exhaust seat, a plurality of inner exhaust holes communicated with the exhaust channel are uniformly arranged on the circumference of the exhaust seat, and a plurality of outer exhaust holes communicated with the inner exhaust holes are correspondingly arranged on the silencing barrel; the end face of the exhaust seat is provided with an installation groove, and a silencing pad is arranged in the installation groove. The utility model carries out double silencing and filtering, can well reduce noise and improve the working environment of an operator; the exhaust direction can be changed according to the actual use of an operator, and the operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of pneumatic tools, and particularly relates to an exhaust silencing structure of a pneumatic tool.
Background
The pneumatic tool drives the internal pneumatic motor to rotate by utilizing high-pressure gas, so that the torque linkage and the motor can be provided to work towards the connected power output shaft, the pneumatic tool is convenient and quick to use, and safe and reliable in performance, and the pneumatic tool is widely used along with the development of industry.
The pneumatic tool is simultaneously accompanied with exhaust in the working process of the gas driving motor, the high-speed exhaust can generate noise, and the long-time noise can cause fatigue of operators and health influence; the prior art is mostly that a layer of spongy or fibrous material is simply added in the exhaust port to be placed in the exhaust port so as to inhibit the exhaust noise of the pneumatic tool; the existing structure can not affect the exhaust of the tool at all, and the effect of reducing the noise is not ideal.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is a primary object of the present invention to solve the above problems and to provide an exhaust silencing structure for a pneumatic tool.
In order to achieve the above purposes, the technical scheme adopted by the utility model is to provide an exhaust silencing structure of a pneumatic tool, which comprises a gun body, wherein an air inlet channel and an air outlet channel are arranged on the gun body, and an air inlet joint is fixedly connected at the port of the air inlet channel; an exhaust silencing device is arranged at the port of the exhaust passage, the exhaust silencing device is fixedly arranged at the port of the exhaust passage by an air inlet joint and comprises an exhaust seat, a silencing sleeve and a silencing barrel, the silencing sleeve and the silencing barrel are sleeved on the exhaust seat, a positioning ring for positioning the silencing barrel is arranged on the exhaust seat, the silencing sleeve is positioned between the exhaust seat and the silencing barrel, and the silencing barrel can rotate around the exhaust seat and the silencing sleeve; an exhaust channel is arranged in the exhaust seat, a plurality of inner exhaust holes communicated with the exhaust channel are uniformly arranged on the circumference of the exhaust seat, and a plurality of outer exhaust holes communicated with the inner exhaust holes are correspondingly arranged on the silencing tube; the exhaust seat is provided with a mounting groove on the end face correspondingly connected with the gun body, and a silencing pad is arranged in the mounting groove.
In the exhaust silencing structure of the pneumatic tool, the exhaust seat is provided with a connecting part, the connecting part is provided with a connecting hole, and the exhaust silencing device is fixedly arranged at the port of the exhaust passage through the connecting hole by the air inlet joint.
In the above exhaust silencing structure of the pneumatic tool, the exhaust seat is respectively provided with an upper silencing barrel positioning groove and a lower silencing barrel positioning groove for positioning and installing the silencing barrel, and the silencing barrel is provided with a positioning boss corresponding to the lower silencing barrel positioning groove to form positioning.
In the above exhaust silencing structure for the pneumatic tool, the exhaust seat is provided with a silencing cover positioning groove for positioning and installing the silencing cover.
In the exhaust silencing structure of the pneumatic tool, the exhaust seat is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.
The utility model has the beneficial effects that:
the exhaust silencing device has two exhaust silencing functions, the final exhaust is discharged from the outer exhaust hole on the side surface of the silencing sleeve, the discharged gas is firstly directly discharged through the silencing pad, filtered and silenced, and then is discharged through the side surface of the silencing sleeve, so that the noise can be well reduced, and the operating environment of an operator is improved; the exhaust is finally discharged from the outer exhaust hole on the side surface of the silencing sleeve, and the silencing cylinder rotates 360 degrees. Therefore, the exhaust direction can be changed according to the actual use of an operator, and the actual operation and use are further facilitated.
Drawings
FIG. 1 is a cross-sectional structural view of the present invention;
fig. 2 is an exploded view of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 and 2, the present invention provides an exhaust silencing structure for a pneumatic tool, including a gun body 1, wherein the gun body 1 is provided with an air inlet channel 2 and an air outlet channel 3, and an air inlet joint 4 is fixedly connected to a port of the air inlet channel 2; an exhaust silencing device is arranged at the port of the exhaust passage 3, the exhaust silencing device is fixedly arranged at the port of the exhaust passage 3 by an air inlet joint 4, the exhaust silencing device comprises an exhaust seat 5, a silencing sleeve 6 and a silencing barrel 7, the silencing sleeve 6 and the silencing barrel 7 are sleeved on the exhaust seat 5, a positioning ring 8 for positioning the silencing barrel 7 is arranged on the exhaust seat 5, the silencing sleeve 6 is positioned between the exhaust seat 5 and the silencing barrel 7, and the silencing barrel 7 can rotate around the exhaust seat 5 and the silencing sleeve 6; an exhaust channel 9 is arranged in the exhaust seat 5, a plurality of inner exhaust holes 10 communicated with the exhaust channel 9 are uniformly arranged on the circumference of the exhaust seat 5, and a plurality of outer exhaust holes 11 communicated with the inner exhaust holes 10 are correspondingly arranged on the silencing tube 7; the end surface of the exhaust seat 5 correspondingly connected with the gun body 1 is provided with an installation groove 12, a silencing pad 13 is arranged in the installation groove 12, and the silencing pad 13 and the silencing sleeve 6 are made of special silencing materials.
Specifically, the exhaust seat 5 is provided with a connecting part 14, the connecting part 14 is provided with a connecting hole 15, and the air inlet joint 4 fixedly arranges the exhaust silencer at the port of the exhaust passage 3 through the connecting hole 15; thereby realizing the fixed connection of the exhaust silencing device and the gun body.
Furthermore, an upper silencer positioning groove 16 and a lower silencer positioning groove 17 for positioning and installing the silencer 7 are respectively arranged on the exhaust seat 5, and a positioning boss 18 which is correspondingly positioned with the lower silencer positioning groove 17 is arranged on the silencer 7; when the silencer is connected and installed, the upper end of the silencer barrel 7 is positioned by the upper silencer barrel positioning groove 16, and the positioning boss 18 is positioned by the lower silencer barrel positioning groove 17, so that the silencer barrel 7 is convenient to connect and install.
Further, be provided with on the exhaust seat 5 and carry out the amortization cover constant head tank 19 of location installation to amortization cover 6, when connecting the installation, amortization cover constant head tank 19 is fixed a position the upper end of amortization cover 6, and the amortization cover 6 lower extreme is fixed a position through location boss 18 to the installation formation of amortization cover 6 is firm to be fixed a position.
Further, a sealing groove 20 is arranged on the exhaust seat 5, and a sealing ring 21 is arranged in the sealing groove 20; the sealing ring 21 can play a role in sealing the installation and connection of the sound-absorbing cylinder 7 and prevent the exhaust gas from leaking from the connection and generating other noises.
When the pneumatic tool exhausts, exhaust in the exhaust passage 3 firstly flows through the silencing pad 13 in the exhaust silencing device for first silencing and filtering, then the gas enters the exhaust passage 9 of the exhaust seat 5, the gas in the exhaust passage 9 flows through the inner exhaust hole 10 on the side surface of the gas and then flows through the silencing sleeve 6 for second silencing and filtering, and after silencing and filtering through the silencing sleeve 6, the gas is exhausted from the outer exhaust hole 11 on the silencing barrel 7, so that the silencing, filtering and exhausting of high-pressure gas in the pneumatic tool are completed; during the use process, the silencing barrel can be rotated for 360 degrees, so that the direction of exhaust can be changed according to the use requirement.
The above detailed description of the exhaust silencing structure of a pneumatic tool according to the embodiments of the present invention is provided, and the principle and the implementation of the present invention are described herein by using specific examples, and the above description of the embodiments is only used to help understanding the technical solutions disclosed in the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. An exhaust silencing structure of a pneumatic tool comprises a gun body, wherein an air inlet channel and an air outlet channel are arranged on the gun body, and an air inlet joint is fixedly connected to the port of the air inlet channel; the method is characterized in that: an exhaust silencing device is arranged at the port of the exhaust passage, the exhaust silencing device is fixedly arranged at the port of the exhaust passage by an air inlet joint and comprises an exhaust seat, a silencing sleeve and a silencing barrel, the silencing sleeve and the silencing barrel are sleeved on the exhaust seat, a positioning ring for positioning the silencing barrel is arranged on the exhaust seat, the silencing sleeve is positioned between the exhaust seat and the silencing barrel, and the silencing barrel can rotate around the exhaust seat and the silencing sleeve; an exhaust channel is arranged in the exhaust seat, a plurality of inner exhaust holes communicated with the exhaust channel are uniformly arranged on the circumference of the exhaust seat, and a plurality of outer exhaust holes communicated with the inner exhaust holes are correspondingly arranged on the silencing tube; the exhaust seat is provided with a mounting groove on the end face correspondingly connected with the gun body, and a silencing pad is arranged in the mounting groove.
2. The exhaust silencing structure for a pneumatic tool according to claim 1, wherein: the exhaust seat is provided with a connecting part, the connecting part is provided with a connecting hole, and the air inlet connector is used for fixedly arranging the exhaust silencer at the port of the exhaust passage through the connecting hole.
3. The exhaust silencing structure for a pneumatic tool according to claim 1, wherein: the exhaust seat is respectively provided with an upper silencing barrel positioning groove and a lower silencing barrel positioning groove which are used for positioning and installing the silencing barrel, and the silencing barrel is provided with a positioning boss which corresponds to the lower silencing barrel positioning groove to form positioning.
4. The exhaust silencing structure for pneumatic tool according to claim 1 or 3, wherein: and the exhaust seat is provided with a silencing sleeve positioning groove for positioning and installing the silencing sleeve.
5. The exhaust silencing structure for pneumatic tool according to any one of claims 1 to 3, wherein: a sealing groove is formed in the exhaust seat, and a sealing ring is arranged in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514605.8U CN215335142U (en) | 2021-03-11 | 2021-03-11 | Exhaust silencing structure of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514605.8U CN215335142U (en) | 2021-03-11 | 2021-03-11 | Exhaust silencing structure of pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215335142U true CN215335142U (en) | 2021-12-28 |
Family
ID=79583229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120514605.8U Active CN215335142U (en) | 2021-03-11 | 2021-03-11 | Exhaust silencing structure of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215335142U (en) |
-
2021
- 2021-03-11 CN CN202120514605.8U patent/CN215335142U/en active Active
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