CN208123537U - A kind of low-temperature safety valve equipped with the locking card of adjusting nut - Google Patents
A kind of low-temperature safety valve equipped with the locking card of adjusting nut Download PDFInfo
- Publication number
- CN208123537U CN208123537U CN201820633652.2U CN201820633652U CN208123537U CN 208123537 U CN208123537 U CN 208123537U CN 201820633652 U CN201820633652 U CN 201820633652U CN 208123537 U CN208123537 U CN 208123537U
- Authority
- CN
- China
- Prior art keywords
- spring
- fixture block
- adjusting nut
- valve opening
- piston
- 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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- Temperature-Responsive Valves (AREA)
Abstract
The utility model relates to be equipped with safety valve technical field,Especially a kind of low-temperature safety valve equipped with the locking card of adjusting nut,Including valve body,The internal vertical of valve body offers valve opening,One end of valve opening is equipped with and offers sealing neck,Piston is equipped in valve opening,One end of valve opening is equipped with adjusting nut,Several mounting grooves are symmetrically offered on the inside of valve opening,Second spring is equipped in mounting groove,One end of second spring is fixedly connected in mounting groove,Second spring is equipped with fixture block far from one end of mounting groove,Fixture block is fixedly connected in one end of second spring,Fixture block is embedded in the inside of valve opening,Fixture block is arranged symmetrically,Fixture block offers screw thread far from the side of second spring,Adjusting nut is threadedly coupled with fixture block,The first spring is equipped between the bottom of adjusting nut and the top of piston,The both ends of first spring are respectively fixedly connected on adjusting nut and piston.The utility model of simple structure and strong practicability is suitble to promote.
Description
Technical field
The utility model relates to safety valve technical field more particularly to a kind of low-temperature safeties equipped with the locking card of adjusting nut
Valve.
Background technique
Currently, the requirement in various fine chemistry industries for cryogenic media is higher and higher, and low temperature as industry continues to develop
Easily being thermally expanded due to shaking and be heated etc. in media operation, to generate harm to equipment and personnel, therefore set
The safety valve for setting cryogenic media becomes particularly important.The adjustment means of general low-temperature safety valve, pressure threshold are cold in heat expansion
Loosening is easy to happen under contracting environment, to influence the setting pressure of safety valve.On the other hand, the adjustment means of pressure threshold are set
It sets and is not easy to change in valve body, so that the adjusting of safety valve pressure threshold value becomes difficult.Every time adjust require to safety valve into
Row dismounting, not only increases workload, and dismounting repeatedly will also generate interference for stable use of safety valve, for this purpose, we
Propose a kind of low-temperature safety valve equipped with the locking card of adjusting nut.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is equipped with and adjusts spiral shell
The low-temperature safety valve of female locking card.
To achieve the goals above, the utility model uses following technical solution：
A kind of low-temperature safety valve equipped with the locking card of adjusting nut, including valve body are designed, the internal vertical of the valve body is opened
Equipped with valve opening, the valve opening runs through the valve body, and one end of the valve opening, which is equipped with, offers sealing neck, the sealing neck with it is described
Valve opening is connected, and piston is equipped in the valve opening, and one end of the piston is in contact with the sealing neck, the piston with it is described
One end that sealing neck is in contact is fixedly connected with rubber stopper, and one end of the valve opening is equipped with adjusting nut, and the valve opening inside is right
Title offers several mounting grooves, second spring is equipped in the mounting groove, one end of the second spring is fixedly connected with
In the mounting groove, the second spring is equipped with fixture block far from one end of the mounting groove, and the fixture block is fixedly connected in institute
State one end of second spring, the fixture block is embedded in the inside of the valve opening, the fixture block be it is arranged symmetrically, the fixture block is remote
Side from the second spring offers screw thread, and the adjusting nut is threadedly coupled with the fixture block, the adjusting nut
Bottom and the piston top between be equipped with the first spring, the both ends of first spring are respectively fixedly connected in the tune
It saves on nut and the piston.
Preferably, the bottom of the adjusting nut and the top of the piston symmetrically offer link slot.
Preferably, limited block is symmetrically arranged between the mounting groove and the fixture block, the limited block is fixedly connected with
On the mounting groove and the fixture block.
Preferably, the junction of the fixture block and the valve opening is fixedly connected to gasket.
The utility model proposes a kind of low-temperature safety valve equipped with the locking card of adjusting nut, beneficial effect is：This reality
It is simple with new structure, it is practical, pressure adjusting quickly and easily can be carried out to low temperature regulating valve, the setting of fixture block can be with
Effectively prevent adjusting nut from loosening because of thermal expansion and cold contraction effect, it is highly-safe.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of low-temperature safety valve equipped with the locking card of adjusting nut sectional structure signal
Figure；
Fig. 2 is partial enlargement schematic cross-sectional view at the A of the utility model Fig. 1.
In figure：Valve body 1, valve opening 2, sealing neck 3, piston 4, rubber stopper 5, adjusting nut 6, mounting groove 7, second spring 8, card
Block 9, screw thread 91, the first spring 10, link slot 11, limited block 12.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, it hangs down the inside of a kind of low-temperature safety valve equipped with the locking card of adjusting nut, including valve body 1, valve body 1
Valve opening 2 is directly offered, valve opening 2 runs through valve body 1, and one end of valve opening 2, which is equipped with, offers sealing neck 3, and sealing neck 3 is connected with valve opening 2
It is logical, piston 4 is equipped in valve opening 2, one end of piston 4 is in contact with sealing neck 3, and one end that piston 4 is in contact with sealing neck 3 is fixed
It is connected with rubber stopper 5.
One end of valve opening 2 is equipped with adjusting nut 6, and 2 inside of valve opening symmetrically offers several mounting grooves 7, is all provided in mounting groove 7
There is second spring 8, one end of second spring 8 is fixedly connected in mounting groove 7, and second spring 8 is set far from one end of mounting groove 7
There is fixture block 9, fixture block 9, which is fixedly connected with, is symmetrically arranged with limited block between one end of second spring 8, mounting groove 7 and fixture block 9
12, limited block 12 is fixedly connected on mounting groove 7 and fixture block 9, and fixture block 9 is embedded in the inside of valve opening 2, fixture block 9 and valve opening 2
Junction be fixedly connected to gasket, fixture block 9 be it is arranged symmetrically, fixture block 9 offers spiral shell far from the side of second spring 8
Line 91, adjusting nut 6 are threadedly coupled with fixture block 9, and the limited block 12 in mounting groove 7 is for fixing second spring 8, second spring 8
Cooperation fixture block 9 can clamp adjusting nut 6, prevent loose card, screw thread 91 is for connecting adjusting nut 6.
The first spring 10, the bottom of adjusting nut 6 and piston 4 are equipped between the bottom of adjusting nut 6 and the top of piston 4
Top symmetrically offer link slot 11, the both ends of the first spring 10 are respectively fixedly connected on adjusting nut 6 and piston 4.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of low-temperature safety valve equipped with the locking card of adjusting nut, including valve body（1）, which is characterized in that the valve body（1）'s
Internal vertical offers valve opening（2）, the valve opening（2）Through the valve body（1）, the valve opening（2）One end be equipped with offer
Seal neck（3）, the sealing neck（3）With the valve opening（2）It is connected, the valve opening（2）It is interior to be equipped with piston（4）, the piston
（4）One end and the sealing neck（3）It is in contact, the piston（4）With the sealing neck（3）The one end being in contact is fixedly connected
There is rubber stopper（5）, the valve opening（2）One end be equipped with adjusting nut（6）, the valve opening（2）Inside symmetrically offers several peaces
Tankage（7）, the mounting groove（7）Inside it is equipped with second spring（8）, the second spring（8）One end be fixedly connected in institute
State mounting groove（7）It is interior, the second spring（8）Far from the mounting groove（7）One end be equipped with fixture block（9）, the fixture block（9）?
It is fixedly connected on the second spring（8）One end, the fixture block（9）It is embedded in the valve opening（2）Inside, the fixture block
（9）It is arranged symmetrically, the fixture block（9）Far from the second spring（8）Side offer screw thread（91）, the adjusting spiral shell
It is female（6）With the fixture block（9）It is threadedly coupled, the adjusting nut（6）Bottom and the piston（4）Top between be equipped with the
One spring（10）, first spring（10）Both ends be respectively fixedly connected in the adjusting nut（6）With the piston（4）
On.
2. a kind of low-temperature safety valve equipped with the locking card of adjusting nut according to claim 1, which is characterized in that the tune
Save nut（6）Bottom and the piston（4）Top symmetrically offer link slot（11）.
3. a kind of low-temperature safety valve equipped with the locking card of adjusting nut according to claim 1, which is characterized in that the peace
Tankage（7）With the fixture block（9）Between be symmetrically arranged with limited block（12）, the limited block（12）It is fixedly connected in the peace
Tankage（7）With the fixture block（9）On.
4. a kind of low-temperature safety valve equipped with the locking card of adjusting nut according to claim 1, which is characterized in that the card
Block（9）With the valve opening（2）Junction be fixedly connected to gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633652.2U CN208123537U (en) | 2018-04-29 | 2018-04-29 | A kind of low-temperature safety valve equipped with the locking card of adjusting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633652.2U CN208123537U (en) | 2018-04-29 | 2018-04-29 | A kind of low-temperature safety valve equipped with the locking card of adjusting nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123537U true CN208123537U (en) | 2018-11-20 |
Family
ID=64187144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820633652.2U Expired - Fee Related CN208123537U (en) | 2018-04-29 | 2018-04-29 | A kind of low-temperature safety valve equipped with the locking card of adjusting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963540A (en) * | 2020-07-21 | 2020-11-20 | 江苏永昊高强度螺栓有限公司 | Self-adjusting pressure relief type bolt structure |
-
2018
- 2018-04-29 CN CN201820633652.2U patent/CN208123537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963540A (en) * | 2020-07-21 | 2020-11-20 | 江苏永昊高强度螺栓有限公司 | Self-adjusting pressure relief type bolt structure |
| CN111963540B (en) * | 2020-07-21 | 2022-02-08 | 江苏永昊高强度螺栓有限公司 | Self-adjusting pressure relief type bolt structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20190429 |