CN210939115U - Piston assembly of pneumatic nail gun - Google Patents
Piston assembly of pneumatic nail gun Download PDFInfo
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- CN210939115U CN210939115U CN201922062505.1U CN201922062505U CN210939115U CN 210939115 U CN210939115 U CN 210939115U CN 201922062505 U CN201922062505 U CN 201922062505U CN 210939115 U CN210939115 U CN 210939115U
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- piston body
- firing pin
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Abstract
The utility model relates to a piston assembly of pneumatic nail rifle, including piston body, the firing pin of setting on piston body, the perisporium of piston body on be provided with the recess, be provided with the sealing washer in this recess, and be provided with the self-lubricating piston ring of parcel on the sealing washer in the recess, the up end of self-lubricating piston ring extend outside the perisporium of piston body, the one end of firing pin connect on the piston body, the other end of firing pin is provided with percussion portion. The utility model has the advantages of simple structure, long service life, stable performance and low cost.
Description
Technical Field
The utility model relates to a pneumatic nail rifle, concretely relates to piston assembly of pneumatic nail rifle.
Background
The pneumatic nail gun is also called as a pneumatic nail gun, and the pneumatic nail gun drives a firing pin in a nail gun cylinder to perform hammering movement by using air pressure generated by an air pump (an air compressor) so as to drive the row nails in a row nail clamp into an object or eject the row nails. The pneumatic nail gun uses compressed air as power to push a piston assembly in the nail gun, so that a firing pin on a piston body impacts a nail to work. The piston assembly comprises a piston body, a firing pin connected to the piston body and a sealing ring arranged on the piston, and the structural design of the piston assembly of the existing pneumatic nail gun is unreasonable. When the pneumatic nail gun works, the piston needs to slide in the cylinder, lubricating oil needs to be frequently added into the cylinder, so that the piston can well slide in the cylinder, the maintenance cost is high, the time is long, the sealing ring is easily abraded, the good air sealing effect cannot be achieved, the effect is reduced, the actual working requirement cannot be met if the abrasion is serious, the air sealing ring needs to be replaced in time, and the operation trouble is increased.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a piston assembly of pneumatic nail rifle of simple structure, long service life, stable performance, with low costs.
In order to achieve the above object, the utility model discloses a piston assembly of pneumatic nail rifle, including piston body, the firing pin of setting on piston body, piston body's perisporium on be provided with the recess, be provided with the sealing washer in this recess, and be provided with the self-lubricating piston ring of parcel on the sealing washer in the recess, the up end of self-lubricating piston ring extend outside piston body's perisporium, the one end of firing pin connect on piston body, the other end of firing pin is provided with percussion portion.
The beneficial effect of above-mentioned structure is: be provided with sealing washer, self-lubricating piston ring in the recess of piston body, the sealing performance of piston is good, and self-lubricating piston ring and cylinder contact, and the lubrication of self-lubricating piston ring is effectual, need not add lubricating oil, is favorable to having saved the maintenance cost. Therefore, the piston assembly of the pneumatic nail gun has the advantages of simple structure, long service life, stable performance and low cost.
Particularly, the piston body is provided with a circular truncated cone connecting part, the circular truncated cone connecting part is provided with an installation groove, one end of the firing pin is provided with a connecting part, the connecting part is inserted into the installation groove, the circular truncated cone connecting part is provided with a pin, and the pin penetrates through the circular truncated cone connecting part and is connected to the connecting part. The firing pin is connected in the mounting groove of the piston body, so that the firing pin and the piston body can be conveniently assembled, and the assembly efficiency of the piston assembly can be improved.
In particular, the width of the connecting part is the same as that of the mounting groove. The width of the connecting part is the same as that of the mounting groove, so that the contact area between the connecting part and the mounting groove can be increased, and the connection between the firing pin and the piston body is more compact.
In particular, a slide guide groove is provided on one side of the striker. The sliding guide groove can play a role in guiding, and is favorable for improving the reliability of the action of the firing pin.
In particular, the self-lubricating piston ring is made of polytetrafluoroethylene materials. The self-lubricating piston ring made of the polytetrafluoroethylene material has the characteristics of lubrication, high strength and good wear resistance, so that the self-lubricating piston ring is in contact with a cylinder, lubricating oil does not need to be added, and the maintenance cost is saved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1-2, the embodiment of the utility model provides a piston assembly of pneumatic nail rifle, including piston body 10, the firing pin 11 of setting on piston body 10, piston body's perisporium on be provided with recess 101, be provided with sealing washer 12 in this recess 101, and be provided with the self-lubricating piston ring 13 of parcel on sealing washer 12 in the recess 101, the up end of self-lubricating piston ring 13 extend outside piston body 10's perisporium, self-lubricating piston ring 13 adopt polytetrafluoroethylene material to make. The self-lubricating piston ring made of the polytetrafluoroethylene material has the characteristics of lubrication, high strength and good wear resistance, so that the self-lubricating piston ring is in contact with a cylinder, lubricating oil does not need to be added, and the maintenance cost is saved. One end of the firing pin 11 is connected to the piston body 10, and the other end of the firing pin 11 is provided with a firing part 111. Be provided with sealing washer, self-lubricating piston ring in the recess of piston body, the sealing performance of piston is good, and self-lubricating piston ring and cylinder contact, and the lubrication of self-lubricating piston ring is effectual, need not add lubricating oil, is favorable to having saved the maintenance cost. Therefore, the piston assembly of the pneumatic nail gun has the advantages of simple structure, long service life, stable performance and low cost.
As shown in fig. 1, the piston body 10 includes a circular table connecting portion 102, the circular table connecting portion 102 is provided with a mounting groove 103, one end of the striker 11 is provided with a connecting portion 112, the connecting portion 112 is inserted into the mounting groove 103, the circular table connecting portion 103 is provided with a pin 14, and the pin 14 is inserted through the circular table connecting portion 103 and connected to the connecting portion 112. The firing pin is connected in the mounting groove of the piston body, so that the firing pin and the piston body can be conveniently assembled, and the assembly efficiency of the piston assembly can be improved. The width of the connecting part 112 is the same as that of the mounting groove 103. The width of the connecting part is the same as that of the mounting groove, so that the contact area between the connecting part and the mounting groove can be increased, and the connection between the firing pin and the piston body is more compact. A slide guide groove 113 is provided on one side of the striker 11. The sliding guide groove can play a role in guiding, and is favorable for improving the reliability of the action of the firing pin.
Claims (5)
1. The utility model provides a piston assembly of pneumatic nail rifle, includes the piston body, sets up the firing pin on the piston body, its characterized in that: the piston is characterized in that a groove is formed in the peripheral wall of the piston body, a sealing ring is arranged in the groove, a self-lubricating piston ring wrapped on the sealing ring is arranged in the groove, the upper end face of the self-lubricating piston ring extends out of the peripheral wall of the piston body, one end of the firing pin is connected to the piston body, and a firing part is arranged at the other end of the firing pin.
2. The piston assembly of a pneumatic nailer of claim 1 wherein: the piston body on have a round platform connecting portion, be provided with the mounting groove on this round platform connecting portion, one of striker be provided with connecting portion, this connecting portion alternate on the mounting groove, and be provided with the pin on the round platform connecting portion, this pin passes round platform connecting portion and connects on connecting portion.
3. The piston assembly of a pneumatic nailer of claim 2 wherein: the width of the connecting part is the same as that of the mounting groove.
4. The piston assembly of a pneumatic nailer of claims 1 or 2 wherein: one side of the firing pin is provided with a sliding guide groove.
5. The piston assembly of a pneumatic nailer of claims 1 or 2 wherein: the self-lubricating piston ring is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922062505.1U CN210939115U (en) | 2019-11-26 | 2019-11-26 | Piston assembly of pneumatic nail gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922062505.1U CN210939115U (en) | 2019-11-26 | 2019-11-26 | Piston assembly of pneumatic nail gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210939115U true CN210939115U (en) | 2020-07-07 |
Family
ID=71391956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922062505.1U Active CN210939115U (en) | 2019-11-26 | 2019-11-26 | Piston assembly of pneumatic nail gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210939115U (en) |
-
2019
- 2019-11-26 CN CN201922062505.1U patent/CN210939115U/en active Active
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