CN202790738U - Rupture disk device with leakage protection for vehicle - Google Patents
Rupture disk device with leakage protection for vehicle Download PDFInfo
- Publication number
- CN202790738U CN202790738U CN 201220408067 CN201220408067U CN202790738U CN 202790738 U CN202790738 U CN 202790738U CN 201220408067 CN201220408067 CN 201220408067 CN 201220408067 U CN201220408067 U CN 201220408067U CN 202790738 U CN202790738 U CN 202790738U
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- CN
- China
- Prior art keywords
- rupture disk
- device body
- piece device
- disk device
- blasting piece
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a rupture disk device with leakage protection for a vehicle, which is composed of a rupture disk device body, a fastening screw plug, a rupture disk assembly and an O-ring. The rupture disk device is characterized in that the rupture disk device body is connected with a valve body through the O-ring to form a cavity, and a gas leakage hole is formed in the upper part of the rupture disk device body and communicated with an external connecting pipeline which is directly led to the outside of the vehicle. The rupture disk device is suitable to be matched with a compressed natural gas cylinder valve for the vehicle, and the pressure protection mode of the rupture disk device is the same as a common pressure protection mode. The rupture disk device has the advantages that when microleakage occurs in the threaded connection position of the rupture disk device body and the valve body, microleakage gas is released to the external connecting pipeline through the gas leakage hole in the rupture disk device body and then safely exhausted outside the vehicle, injuries are not caused to people, and a good gas leakage protection effect is achieved.
Description
Technical field
The utility model relates to pressure protective device, and specifically a kind of is the matching used blasting piece device with leak protection of compressed natural gas bottle valve for cars.
The background skill is asked
Various in the market is the matching used pressure protective device of compressed natural gas bottle valve for cars; generally comprise blasting piece device body, fastening plug screw and rupture disk assembly; its pressure protecting function is complete; but often lack the Leakage Gas protective function, when pressure protective device with after the cylinder valve body is threaded, in the using process afterwards; in case small leakage appears in the threaded connection place; when the rock gas of little leakage is accumulated to a certain degree in the car, can affect personal safety, cause serious consequence.
The model utility content
Technical problem to be solved in the utility model is to overcome the defective that above-mentioned prior art exists; for compressed natural gas bottle valve for cars provides a kind of blasting piece device with leak protection, pressure protect and leak protection are all safe and reliable when guaranteeing that compressed natural gas bottle valve for cars uses.
For this reason; the utility model adopts following technological scheme: automobile-used blasting piece device with leak protection; comprise and have columned blasting piece device body; the upper end cylindrical sealing surface of described blasting piece device body is provided with external pipe; the outer atmosphere of external pipe through train, the lower end is connected with the valve body attachment post, and the diameter of described valve body attachment post is less than the diameter of blasting piece device body; valve body attachment post external diameter is provided with outside thread, with valve body for being threaded.Described blasting piece device body is provided with end-face seal ring near the end face of valve body attachment post, be axially arranged with inlet hole in the blasting piece device body, the top of inlet hole is provided with installation cavity, be provided with fastening plug screw and rupture disk assembly in the installation cavity, the blasting piece device body adopts with fastening plug screw and is threaded, and screws fastening plug screw and can do the axial seal location to the rupture disk assembly.Described rupture disk assembly is made of carrier ring, rupture disk and gasket seal, and rupture disk is located between carrier ring and the gasket seal.The sidewall of described blasting piece device body is provided with a bleeder port of axial position, and two ports of bleeder port are located at respectively on the cylindrical upper and lower end face, blasting piece device body upper end, and the bleeder port lower end mouth is in the inboard of end-face seal ring.Pressurized gas pass into from the intermediate hole of blasting piece device body, act on the rupture disk, and when pressure reached the bursting pressure of regulation, the effect of gas-pressure protection was played in the rupture disk blast pressure release on the rupture disk assembly.Bleeder port on the described blasting piece device body; the external pipe outer with through train links, in case small leakage appears in rupture disk body and valve body screw thread joint, little gas leakage body will be discharged in the external pipe by this bleeder port; safety is discharged outside the car, plays the effect of Leakage Gas protection.
As the further of technique scheme improved and replenish, the utility model is taked following technical measures:
Above-mentioned automobile-used blasting piece device with leak protection is characterized in that the upper end cylindrical sealing surface of blasting piece device body is provided with external pipe, outside the external pipe through train.
The lower end surface that above-mentioned blasting piece device body lower end is connected with the valve body attachment post also is provided with a port sealing circle, is used for sealing from valve body pressurized gas out.
Pressure protect mode of the present utility model is identical with general pressure protect mode commonly used; its unique distinction is; the blasting piece device body is linked to be a chamber by end-face seal ring, port sealing circle and valve body; link by the external pipe outside bleeder port and the through train again; therefore; even in use; small leakage appears in the threaded connection place of blasting piece device body and valve body; little gas leakage body also can be discharged into external pipe to car by aperture; and can not cause hazard to person in the car, play the effect of good Leakage Gas protection.
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of rupture disk assembly.
Among the figure, 1-blasting piece device body, the fastening plug screw of 2-, 3-bleeder port, 4-rupture disk assembly, the 5-external pipe, 6-end-face seal ring, 7-port sealing circle, 8-valve body, 9-valve body attachment post, the 10-inlet hole, 11-installation cavity, 12-carrier ring, 13-rupture disk, 14-gasket seal.
Embodiment
As shown in Figure 1 and Figure 2; the utility model discloses a kind of automobile-used blasting piece device with the Leakage Gas protection, comprise blasting piece device body 1, the upper end cylindrical sealing surface of blasting piece device body 1 is provided with external pipe 5; the lower end is connected with valve body attachment post 9, with valve body 8 for being threaded.Blasting piece device body 1 is provided with end-face seal ring 6 near the end face of valve body attachment post 9, be axially arranged with inlet hole 10 in the blasting piece device body 1, the top of inlet hole is provided with installation cavity 11,11 are provided with fastening plug screw 2 and rupture disk assembly 4 in the installation cavity, and blasting piece device body 1 adopts with fastening plug screw 2 and is threaded.Rupture disk assembly 4 is made of carrier ring 12, rupture disk 13 and gasket seal 14, and rupture disk 13 is located between carrier ring 12 and the gasket seal 14.The sidewall of blasting piece device body 1 is provided with a bleeder port 3 of axial position, and the lower end mouth of bleeder port 3 is in the inboard of end-face seal ring 6, and bleeder port 3 links with external pipe 5.The lower end surface that blasting piece device body 1 lower end is connected with the valve body attachment post also is provided with a port sealing circle 7.
Claims (2)
1. automobile-used blasting piece device with leak protection; has columned blasting piece device body (1); the lower end of described blasting piece device body (1) is connected with valve body attachment post (9); the diameter of described valve body attachment post (9) is less than the diameter of blasting piece device body (1); described blasting piece device body (1) is provided with end-face seal ring (6) near the end face of valve body attachment post (9); described blasting piece device body (1) axially have an inlet hole (10); the top of described inlet hole (10) is provided with installation cavity (11); be provided with fastening plug screw (2) and rupture disk assembly (4) in the described installation cavity (11); described rupture disk assembly (4) is by carrier ring (12); rupture disk (13) and gasket seal (14) consist of; described rupture disk (13) is located between carrier ring (12) and the gasket seal (14); it is characterized in that the sidewall of described blasting piece device body (1) is provided with the bleeder port (3) of axial position; two ports of described bleeder port (3) are respectively on cylindrical upper and lower end face, blasting piece device body (1) upper end, and bleeder port (3) lower end mouth is located at the inboard of end-face seal ring (6).
2. automobile-used blasting piece device with leak protection according to claim 1; the upper end cylindrical sealing surface that it is characterized in that blasting piece device body (1) is provided with external pipe (5), and the lower end surface that blasting piece device body (1) lower end is connected with valve body attachment post (9) is provided with port sealing circle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408067 CN202790738U (en) | 2012-08-10 | 2012-08-10 | Rupture disk device with leakage protection for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408067 CN202790738U (en) | 2012-08-10 | 2012-08-10 | Rupture disk device with leakage protection for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790738U true CN202790738U (en) | 2013-03-13 |
Family
ID=47818002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220408067 Expired - Fee Related CN202790738U (en) | 2012-08-10 | 2012-08-10 | Rupture disk device with leakage protection for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277551A (en) * | 2013-05-29 | 2013-09-04 | 上海齐耀动力技术有限公司 | Corrugated pipe sealing rupture disk device |
| CN116241591A (en) * | 2023-05-11 | 2023-06-09 | 高密同创气门芯有限公司 | Explosion-proof pressure release core |
| CN116398679A (en) * | 2023-04-23 | 2023-07-07 | 江苏民诺特种设备有限公司 | Relief valve and steel bottle with same |
-
2012
- 2012-08-10 CN CN 201220408067 patent/CN202790738U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277551A (en) * | 2013-05-29 | 2013-09-04 | 上海齐耀动力技术有限公司 | Corrugated pipe sealing rupture disk device |
| CN116398679A (en) * | 2023-04-23 | 2023-07-07 | 江苏民诺特种设备有限公司 | Relief valve and steel bottle with same |
| CN116241591A (en) * | 2023-05-11 | 2023-06-09 | 高密同创气门芯有限公司 | Explosion-proof pressure release core |
| CN116241591B (en) * | 2023-05-11 | 2023-10-13 | 高密同创气门芯有限公司 | Explosion-proof pressure release core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |