CN213117462U

CN213117462U - Polytetrafluoroethylene sealing ring of CNG air gun

Info

Publication number: CN213117462U
Application number: CN202021499724.2U
Authority: CN
Inventors: 刘龙传; 宋平
Original assignee: Qingdao Petrochina Kunlun Shengli Gas Co ltd
Current assignee: Qingdao Petrochina Kunlun Shengli Gas Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-05-04
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a polytetrafluoroethylene sealing ring of a CNG air gun, which comprises a sealing ring body, the bottom of the sealing ring body is communicated with a sealing cylinder, four corners of the bottom of the sealing cylinder are fixedly connected with connecting pieces, the bottom of the connecting piece is fixedly connected with an L-shaped piece, the inner surface of the L-shaped piece is connected with the connecting piece in a sliding way through a sliding block, the top of the L-shaped piece is fixedly connected with a convex block through a spring, the bottom of the inner surface of the convex block is provided with a connecting groove, the top of the inner surface of the connecting groove is fixedly connected with the top end of the spring and comprises a gun barrel of the air gun, the outer fixed surface of air gun barrel is connected with the outer lane, the utility model discloses a cooperation between spring, connecting piece, sliding block, lug and the recess can conveniently realize the installation of polytetrafluoroethylene sealing washer to cooperation spring part and rubber layer can increase the device's leakproofness.

Description

Polytetrafluoroethylene sealing ring of CNG air gun

Technical Field

The utility model relates to a gas dispenser technical field specifically is a CNG adds polytetrafluoroethylene sealing washer of air gun.

Background

The gas dispenser is a gas dispensing device which is used for supplying fuel to a natural gas vehicle (CNGV) in a Compressed Natural Gas (CNG) form, gas in a natural gas pipeline is generally subjected to pre-purification treatment to remove sulfur and water in the gas, then the pressure is compressed from 0.1-1.0Mpa to 25Mpa by a compressor unit, and finally the vehicle is dispensed with gas by a gas dispenser.

The tradition is used for the leakproofness of CNG air entrainment rifle than relatively poor, has taken place to leak to traditional polytetrafluoroethylene sealing washer installation is convenient inadequately with the dismantlement, for this reason the utility model provides a CNG air entrainment rifle's polytetrafluoroethylene sealing washer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polytetrafluoroethylene sealing washer of CNG air gun to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a polytetrafluoroethylene sealing washer of CNG air gun, including the sealing washer body, the bottom intercommunication of sealing washer body has a sealed section of thick bamboo, the equal fixedly connected with connecting piece in four corners of sealed bobbin base portion, the bottom fixedly connected with L shape piece of connecting piece, through sliding block sliding connection between the internal surface of L shape piece and the connecting piece, spring fixedly connected with lug is passed through at the top of L shape piece.

As an optimal technical solution of the utility model: the bottom of the inner surface of the convex block is provided with a connecting groove, and the top of the inner surface of the connecting groove is fixedly connected with the top end of the spring.

As an optimal technical solution of the utility model: the gun barrel comprises a gun barrel of the air gun, wherein an outer ring is fixedly connected to the outer surface of the gun barrel of the air gun.

As an optimal technical solution of the utility model: the four corners of the inner side of the outer ring are provided with grooves, and the insides of the grooves are clamped with the outer surfaces of the convex blocks.

As an optimal technical solution of the utility model: the sealing ring body comprises a framework and a rubber layer.

As an optimal technical solution of the utility model: the outer surface of the framework is fixedly connected with the inner surface of the rubber layer through the spring piece.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a cooperation between spring, connecting piece, sliding block, lug and the recess can conveniently realize the installation of polytetrafluoroethylene sealing washer to cooperation spring part and rubber layer can increase the device's leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of a polytetrafluoroethylene sealing ring of a CNG gas gun.

Fig. 2 is a schematic structural diagram of connection of a skeleton and a rubber layer in a polytetrafluoroethylene sealing ring of a CNG gas filling gun.

Fig. 3 is an enlarged view of a teflon seal ring of a CNG gas gun at a point a in fig. 1.

In the figure: 1. a seal ring body; 2. a sealing cylinder; 3. a connecting member; 4. an L-shaped piece; 5. a slider; 6. a spring; 7. a bump; 8. connecting grooves; 9. a barrel of an air gun; 10. an outer ring; 11. a groove; 12. a framework; 13. a rubber layer; 14. a spring member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a polytetrafluoroethylene sealing washer of CNG air gun, including sealing washer body 1, the bottom intercommunication of sealing washer body 1 has a sealed section of thick bamboo 2, the equal fixedly connected with connecting piece 3 in four corners of a sealed section of thick bamboo 2 bottom, and the bottom fixedly connected with L shape 4 of connecting piece 3 passes through sliding block 5 sliding connection between the internal surface of L shape 4 and the connecting piece 3, and spring 6 fixedly connected with lug 7 is passed through at the top of L shape 4.

Wherein, cooperation spring 6 can make the installation of sealing washer body 1 more firm, and spread groove 8 has been seted up to the bottom of lug 7 internal surface, and the top of spread groove 8 internal surface and spring 6's top fixed connection.

Wherein, including air entrainment rifle barrel 9, the surface fixedly connected with outer lane 10 of air entrainment rifle barrel 9.

Wherein, the recess 11 has all been seted up to the inboard four corners of outer lane 10, and the inside of recess 11 and the surface joint of lug 7.

Wherein, the sealing ring body 1 comprises a framework 12 and a rubber layer 13.

Wherein, the matching spring part 14 can increase the sealing performance of the rubber layer 13, and the outer surface of the framework 12 is fixedly connected with the inner surface of the rubber layer 13 through the spring part 14.

Specifically, the utility model discloses during the use: the sealing ring body 1 is plugged into the barrel 9 of the air gun through the sealing barrel 2, the L-shaped piece 4 is pulled off, the outer ring 10 is clamped on the inner surface of the L-shaped piece 4, the lug 7 is clamped into the groove 11, the installation of the sealing ring body 1 is completed, and the sealing performance of the rubber layer 13 can be improved by matching with the spring piece 14.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a polytetrafluoroethylene sealing washer of CNG air gun, including sealing washer body (1), its characterized in that, the bottom intercommunication of sealing washer body (1) has a sealed section of thick bamboo (2), the equal fixedly connected with connecting piece (3) in four corners of a sealed section of thick bamboo (2) bottom, the bottom fixedly connected with L shape piece (4) of connecting piece (3), through sliding block (5) sliding connection between the internal surface of L shape piece (4) and connecting piece (3), spring (6) fixedly connected with lug (7) are passed through at the top of L shape piece (4).

2. The polytetrafluoroethylene sealing ring of CNG air gun according to claim 1, characterized in that the bottom of the inner surface of the lug (7) is provided with a connecting groove (8), and the top of the inner surface of the connecting groove (8) is fixedly connected with the top end of the spring (6).

3. The polytetrafluoroethylene sealing ring of a CNG (compressed natural gas) filling gun according to claim 1, characterized in that comprises a gun barrel (9) of the filling gun, and an outer ring (10) is fixedly connected to the outer surface of the gun barrel (9) of the filling gun.

4. The polytetrafluoroethylene sealing ring of the CNG air gun according to claim 3, wherein four corners of the inner side of the outer ring (10) are provided with grooves (11), and the inner parts of the grooves (11) are clamped with the outer surfaces of the lugs (7).

5. The polytetrafluoroethylene sealing ring of a CNG filling gun according to claim 1, characterized in that, the sealing ring body (1) comprises a skeleton (12) and a rubber layer (13).

6. The polytetrafluoroethylene sealing ring of a CNG filling gun according to claim 5, characterized in that the outer surface of the skeleton (12) and the inner surface of the rubber layer (13) are fixedly connected through a spring element (14).