CN203549043U - Lower valve carrier used for breaking valve - Google Patents
Lower valve carrier used for breaking valve Download PDFInfo
- Publication number
- CN203549043U CN203549043U CN201320710057.1U CN201320710057U CN203549043U CN 203549043 U CN203549043 U CN 203549043U CN 201320710057 U CN201320710057 U CN 201320710057U CN 203549043 U CN203549043 U CN 203549043U
- Authority
- CN
- China
- Prior art keywords
- lower valve
- valve base
- pull breaking
- breaking ualve
- breaking
- 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 lower valve carrier used for a breaking valve. The lower valve carrier comprises a breaking valve body (1) and a lower valve carrier body (2), wherein an axial through hole is formed inside the breaking valve body (1), the inner wall of the axial through hole is provided with an annular protruding rib (3), the inside of the breaking valve body (1) is divided into a left cavity and a right cavity through the annular protruding rib (3), the inner wall, located in the right cavity, of the breaking valve body (1) is provided with at least one checking block (4), the outer surface of the lower valve carrier body (2) is provided with an axial leading-in groove (6) and a circumferential locking groove (7), the axial leading-in groove (6) is matched with the checking blocks, the right end of the axial guiding-out groove (6) is communicated with the circumferential locking groove (7), and a one-way valve is arranged in an air outlet hole in the right end of the lower valve carrier body (2). The lower valve carrier has the advantages that it can be prevented that the breaking valve is accidentally broken when pulled because of improper operation, safety performance is good, the lower valve carrier is rotated reversely and then axial pulling force is exerted when breaking is needed, and operation convenience is achieved; in addition, the breaking force of the breaking valve can be accurately controlled.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of lower valve base for Pull breaking ualve.
Background technique
For avoiding in aerating process or after aerating finishes; due to driver or aerating employee's carelessness; when air filling gun not yet takes off; the compressed natural gas that starts automobile and cause leaks outside, and causes security incident, therefore between filling machine air outlet and air filling gun, has connected Pull breaking ualve; when there is above situation; Pull breaking ualve can cut off air-flow in time, prevents that compressed natural gas from exposing, thereby plays the effect of safety protection.Its working principle is: when Pull breaking ualve is subject to certain external tensile force, Pull breaking ualve is pulled off and the gas distribution channel of shutoff filling machine and automobile gas cylinder immediately, thereby the sealing to Pull breaking ualve, Safety performance have very high requirement.
The lower valve base of existing Pull breaking ualve, i.e. outlet nozzle, conventionally adopts and compresses steel ball and realize the location to lower valve base in the structure that the outer surface of lower valve base arranges annular groove, as disclosed a kind of high volume pipe abruption valve in Chinese patent 200810044926.5.But this structure is manufacturing process complexity on the one hand, and cost is high, and the pulling force limit of bearing is on the other hand lower, easily, because misoperation causes unexpected breaking, affect stability in use.And one-way valve adopts on taper sheath and taper sheath and arranges that vent, taper sheath inside arrange the structure of stage clip, causes breathing area little, and throughput is little, makes equally its application area be restricted.
Model utility content
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of safe, lower valve base for Pull breaking ualve of conveniently regulating, being applicable to large flow rate working conditions is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of lower valve base for Pull breaking ualve, it comprises Pull breaking ualve main body and lower valve base, in Pull breaking ualve main body, be provided with axial hole, the inwall of axial hole is provided with a circular fin, circular fin is separated left cavity and right cavity by Pull breaking ualve body interior, be positioned on the inwall of the right cavity of Pull breaking ualve main body and be provided with at least one stop block, lower valve base stretches in Pull breaking ualve main body from right side, and lower valve base is through described circular fin, between lower valve base and circular fin, be provided with O RunddichtringO, the outer surface of lower valve base is provided with the axial lead-in groove matching with stop block and the circumferential lock groove being communicated with axial lead-in groove right-hand member, the right-hand member of lower valve base is provided with air outlet hole, lower valve base is provided with the guide hole of giving vent to anger that is communicated with Pull breaking ualve body interior left side and air outlet hole, in the air outlet hole of lower valve base right-hand member, be provided with one-way valve.
Described one-way valve comprises spool, spring seat, back-up ring B and Compress Spring, in air outlet hole, be provided with valve seat B, back-up ring B is installed on the right side of valve seat, the left end of spool presses on valve seat B, the right-hand member of spool passes from the center hole of back-up ring B, is also set with Compress Spring and spring seat on spool, and Compress Spring one end presses on nonreturn valve core, the other end of Compress Spring presses on spring seat, and spring seat is pressed on back-up ring B by Compress Spring.
The utlity model has following advantage: the utility model is provided with stop block, axially lead-in groove and circumferential lock groove, while making to install, adjusting lower valve base makes axial lead-in groove align with stop block, then axial advance, when stop block is positioned at after the end of axial lead-in groove, lower valve base rotates in a circumferential direction, stop block is entered in circumferential lock groove, can prevent from surprisingly disconnecting while making Pull breaking ualve under tension because of improper operation, Safety performance is good, in the time of need to pulling, first counterrotating lower valve base axially applies pulling force again, easy to operate.The utility model is controlled the size of pulling-out force by the distortion of O RunddichtringO, the pulling-out force of Pull breaking ualve can accurately be controlled, and can to the pulling-out force size of Pull breaking ualve, regulate by the amount of deformation of the O RunddichtringO of replacing different hardness; Between the each valve body of this Pull breaking ualve, adopt screw thread to connect, make the installation of Pull breaking ualve more convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the structural representation of Pull breaking ualve main body of the present utility model
Fig. 3 is the structural representation of lower valve base of the present utility model
In figure, 1-Pull breaking ualve main body, 2-lower valve base, 3-circular fin, 4-stop block, 5-O RunddichtringO, the axial lead-in groove of 6-, the circumferential lock groove of 7-, 8-plug screw, 9-sliding sleeve, 10-back-up ring A, 11-spring, 12-guide ring, 13-seal ring A, 14-seal ring B, 15-seal ring C, 16-spool, 17-spring seat, 18-back-up ring B, 19-Compress Spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, protection domain of the present utility model is not limited to the following stated:
As shown in Figure 1, a kind of lower valve base for Pull breaking ualve, it comprises Pull breaking ualve main body 1 and lower valve base 2, in Pull breaking ualve main body 1, be provided with axial hole, the inwall of axial hole is provided with a circular fin 3, circular fin 3 is by the Pull breaking ualve main body left cavity of 1 interior separation and right cavity, as shown in Figure 2, be positioned on the inwall of Pull breaking ualve main body 1 right cavity and be provided with at least one stop block 4, lower valve base 2 stretches in Pull breaking ualve main body 1 from right side, and lower valve base 2 is through described circular fin 3, between lower valve base 2 and circular fin 3, be provided with O RunddichtringO 5, as shown in Figure 3, the outer surface of lower valve base 2 is provided with the axial lead-in groove 6 matching with stop block 4 and the circumferential lock groove 7 being communicated with axial lead-in groove 6 right-hand members, the right-hand member of lower valve base 2 is provided with air outlet hole, lower valve base 2 is provided with the guide hole of giving vent to anger that is communicated with Pull breaking ualve main body 1 inside left and air outlet hole, in the air outlet hole of lower valve base 2 right-hand members, be provided with one-way valve.During installation, adjusting lower valve base 2 makes axial lead-in groove 6 align with stop block 4, then axial advance, when stop block 4 is positioned at after the end of axial lead-in groove 6, the lower valve base 2 that rotates in a circumferential direction, enters in circumferential lock groove 7 stop block 4, can prevent from surprisingly disconnecting while making Pull breaking ualve under tension because of improper operation, in the time of need to pulling, first counterrotating lower valve base 2 axially applies pulling force again, easy to operate.
Plug screw 8 is installed on by screw thread in the left cavity of Pull breaking ualve main body 1, the left end of lower valve base 2 presses on the right side of plug screw 8, plug screw 8 and lower valve base 2 surround seal chamber A by the left cavity of Pull breaking ualve main body 1, lower valve base 2 is equipped with sliding sleeve 9 with the outer cover of plug screw 8 contacting parts, between lower valve base 2 and plug screw 8, be provided with back-up ring A10, back-up ring A10 is installed in sliding sleeve 9 inboard grooves, the outer cover of sliding sleeve 9 is equipped with spring 11, spring 11 one end press on plug screw 8, one end presses on sliding sleeve 9, on the left side of circular fin 3, be provided with the valve seat A coordinating with sliding sleeve 9 ends, the left end of plug screw 8 is provided with inlet hole, on plug screw 8, be provided with the air inlet guide hole that connects inlet hole and seal chamber A, between sliding sleeve 9 inwalls and plug screw 8 outer walls, along direction from left to right, be disposed with guide ring 12 and seal ring A13, between lower valve base 2 and Pull breaking ualve main body 1, be provided with seal ring B14, between sliding sleeve 9 inwalls and the outer wall of lower valve base 2, be provided with seal ring C15.
Described one-way valve comprises spool 16, spring seat 17, back-up ring B18 and Compress Spring 19, in air outlet hole, be provided with valve seat B, back-up ring B18 is installed on the right side of valve seat, the left end of spool 16 presses on valve seat B, the right-hand member of spool 16 passes from the center hole of back-up ring B18, on spool 16, be also set with Compress Spring 19 and spring seat 17, Compress Spring 19 one end press on nonreturn valve core 16, the other end of Compress Spring 19 presses on spring seat 17, and spring seat 17 is pressed on back-up ring B18 by Compress Spring 19.When this kind of structure opened one-way valve, fluid passes through from spool 16 surroundings, has increased circulation area, can meet large flow rate working conditions demand.
Working procedure of the present utility model is as follows: while normally working, fluid enters after seal chamber A by inlet hole, through one-way valve, from air outlet hole, flows out; While pulling, spring 11 promotes sliding sleeve 9 and presses on valve seat A above, and sliding sleeve 9 forms a seal chamber of hard sealing formation with Pull breaking ualve main body 1, and one-way valve compresses valve seat B and also forms sealing, prevents reverse leakage.
Claims (2)
1. the lower valve base for Pull breaking ualve, it is characterized in that: it comprises Pull breaking ualve main body (1) and lower valve base (2), Pull breaking ualve main body is provided with axial hole in (1), the inwall of axial hole is provided with a circular fin (3), circular fin (3) is by the left cavity of Pull breaking ualve main body (1) interior separation and right cavity, be positioned on the inwall of the right cavity of Pull breaking ualve main body (1) and be provided with at least one stop block (4), lower valve base (2) stretches in Pull breaking ualve main body (1) from right side, and lower valve base (2) is through described circular fin (3), between lower valve base (2) and circular fin (3), be provided with O RunddichtringO (5), the outer surface of lower valve base (2) is provided with the axial lead-in groove (6) matching with stop block (4) and the circumferential lock groove (7) being communicated with axial lead-in groove (6) right-hand member, the right-hand member of lower valve base (2) is provided with air outlet hole, lower valve base (2) is provided with the guide hole of giving vent to anger that is communicated with Pull breaking ualve main body (1) inside left and air outlet hole, in the air outlet hole of lower valve base (2) right-hand member, be provided with one-way valve.
2. a kind of lower valve base for Pull breaking ualve according to claim 1, it is characterized in that: described one-way valve comprises spool (16), spring seat (17), back-up ring B(18) and Compress Spring (19), in air outlet hole, be provided with valve seat B, back-up ring B(18) be installed on the right side of valve seat, the left end of spool (16) presses on valve seat B, the right-hand member of spool (16) is from back-up ring B(18) center hole pass, on spool (16), be also set with Compress Spring (19) and spring seat (17), Compress Spring (19) one end presses on nonreturn valve core (16), the other end of Compress Spring (19) presses on spring seat (17), spring seat (17) presses on back-up ring B(18 by Compress Spring (19)) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710057.1U CN203549043U (en) | 2013-11-12 | 2013-11-12 | Lower valve carrier used for breaking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710057.1U CN203549043U (en) | 2013-11-12 | 2013-11-12 | Lower valve carrier used for breaking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549043U true CN203549043U (en) | 2014-04-16 |
Family
ID=50467161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320710057.1U Expired - Fee Related CN203549043U (en) | 2013-11-12 | 2013-11-12 | Lower valve carrier used for breaking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879613A (en) * | 2021-01-09 | 2021-06-01 | 上海舜华新能源系统有限公司 | Break valve with tension alarm device |
-
2013
- 2013-11-12 CN CN201320710057.1U patent/CN203549043U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879613A (en) * | 2021-01-09 | 2021-06-01 | 上海舜华新能源系统有限公司 | Break valve with tension alarm device |
| CN112879613B (en) * | 2021-01-09 | 2022-10-14 | 上海舜华新能源系统有限公司 | Break valve with tension alarm device |
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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: 20140416 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |