CN205423998U - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN205423998U CN205423998U CN201620150048.5U CN201620150048U CN205423998U CN 205423998 U CN205423998 U CN 205423998U CN 201620150048 U CN201620150048 U CN 201620150048U CN 205423998 U CN205423998 U CN 205423998U
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- CN
- China
- Prior art keywords
- valve body
- valve
- space
- spool
- memory alloy
- 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.)
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Abstract
The utility model relates to a safety valve, it includes: a valve body is equipped with a first valve body space and a second valve body space in it, a first case, in the group located first valve body space and second valve body space, just both ends were organized respectively and are established a shape memory alloy spring and 1 the 1st compression spring from top to bottom, a second case, the group locates second valve body space, and the group establishes a ball sealer and 1 the 2nd compression spring in it, an upper cover, the group locates valve body top, and the upper cover has the end of intaking, a lower cover, the group locates valve body below, and the lower cover corresponds first case and be equipped with one first water end (W. E. ), corresponds the second case and is equipped with a second and goes out the water end (W. E. ). Compared with the prior art, the utility model relates to a safety valve is when using, and when the pressure that shape memory alloy spring became invalid or the valve body is inside exceeded the security range of regulation, the water of the internal portion of admission valve can be washed the ball sealer open and follow the second goes out water end (W. E. ) outflow valve body to the pressure that reduces in the valve body reaches the safety protection effect.
Description
Technical field
This utility model relates to a kind of relief valve.
Background technology
There is the multiple valve utilizing memorial alloy itself that the perception characteristic of temperature is done the most on the market, if but when memory alloy spring inefficacy or airtight space, make the thermo-field thoery in valve body and densification closes space pressure when increasing, valve body just has potential safety hazard, it is therefore necessary to a kind of relief valve of design is to solve the problems referred to above.
Utility model content
In order to overcome above technical problem, this utility model provides a kind of relief valve, and its simple in construction uses safety.
The technical scheme that this utility model is used is a kind of relief valve, comprising: a valve body, is provided with in one first valve space and one second valve space in it；One first spool, is mounted on described first valve space and described second valve space, and two ends group respectively sets a memory alloy spring and one first compression spring up and down；One second spool, is mounted on described second valve space, and in it, group sets a ball sealer and one second compression spring；One upper cover, is mounted on above described valve body, and described upper cover has a water inlet end；One lower cover, is mounted on below described valve body, and corresponding described first spool of described lower cover is provided with one first water side, and corresponding described second spool is provided with one second water side.
Further, between described upper cover and valve body, it is provided with one first sealing ring, between described lower cover and valve body, is provided with one second sealing ring.
Further, described second spool lower end group sets one the 3rd sealing ring.
Compared with prior art; this utility model one relief valve is in use; when the pressure of memory alloy spring inefficacy or valve inner exceedes the safety range of regulation; the water entering valve inner can be washed ball sealer open and flow out valve body from described second water side, thus reduce the pressure in valve body and reach safeguard protection effect.
Accompanying drawing explanation
Fig. 1 is a kind of relief valve of this utility model state of described relief valve when the water temperature of water inlet end is beyond the temperature value of memory alloy spring；
Fig. 2 is a kind of relief valve of this utility model state of described relief valve when the water temperature of water inlet end is within the temperature value of memory alloy spring；
Fig. 3 is a kind of relief valve of this utility model state of described relief valve when the inefficacy of described memory alloy spring or airtight space.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by embodiment.
As it is shown in figure 1, this utility model is a kind of relief valve, comprising: a valve body 1, one first spool 2, a memory alloy spring 3, one first compression spring 4, one second spool 5, a upper cover 6, a lower cover 7.
As it is shown in figure 1, described valve body 1, in it, it is provided with one first valve space 11 and one second valve space 12；
Described first spool 2, is mounted in described first valve space 11 and described second valve space 12, and two ends group respectively sets memory alloy spring 3 and one first compression spring 4 up and down.
Described second spool 5, is mounted on described second valve space 12, and in it, group sets ball sealer 51 and one second compression spring 52.
Described upper cover 6, is mounted on above described valve body 1, and described upper cover 6 has a water inlet end 61.
As in figure 2 it is shown, described lower cover 7, being mounted on below described valve body 1, and corresponding described first spool 2 of described lower cover 7 is provided with one first water side 71, corresponding described second spool 5 is provided with one second water side 72.
One first sealing ring 8 it is provided with, between described lower cover 7 and valve body 1 between described upper cover 6 and valve body 1
It is provided with one second sealing ring 9.
Described second spool 5 lower end group sets one the 3rd sealing ring 53.
As shown in Figure 1, this utility model relief valve is in use, when the water temperature of entrance water inlet end 61 is beyond the temperature value of memory alloy spring 3 when, the elastic force of described memory alloy spring 3 is less than the elastic force of described first compression spring 4, described first spool 2 is moved down under the elastic force effect of described first compression spring 4 seal described first water side 71 and make the second sealing ring 9 and lower cover 7 engaged closed, thus allow the water of water inlet end 61 flow into valve body 1 bottom.
As shown in Figure 2, when the water temperature of water inlet end 61 is within the temperature value of memory alloy spring 3 when, the elastic force of described memory alloy spring 3 is more than the elastic force of described first compression spring 4, make described first spool 2 move up and make the second sealing ring 9 to separate with lower cover 7 under the elastic force effect of described memory alloy spring 3, thus the water of water inlet end 61 can be flowed out from the first water side 71 of valve body 1.
As shown in Figure 3; when described memory alloy spring 3 lost efficacy or when airtight space; make the pressure increase of the thermo-field thoery in valve body 1 and confined space; after the internal pressure increased of the most described second spool 5; water within valve body 1 is washed ball sealer 51 open and is flowed out valve body 1 from described second water side 72, thus reduces the pressure in valve body 1 and reach safeguard protection effect.
Claims (3)
1. a relief valve, it is characterised in that, including:
One valve body, is provided with one first valve space and one second valve space in it；
One first spool, is mounted in described first valve space and described second valve space, and two ends group respectively sets a memory alloy spring and one first compression spring up and down；
One second spool, is mounted on described second valve space, and in it, group sets a ball sealer and one second compression spring；
One upper cover, is mounted on above described valve body, and described upper cover has a water inlet end；
One lower cover, is mounted on below described valve body, and corresponding described first spool of described lower cover is provided with one first water side, and corresponding described second spool is provided with one second water side.
2. a kind of relief valve as claimed in claim 1, it is characterised in that: it is provided with one first sealing ring between described upper cover and valve body, between described lower cover and valve body, is provided with one second sealing ring.
3. a kind of relief valve as claimed in claim 1 or 2, it is characterised in that: described second spool lower end group sets one the 3rd sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150048.5U CN205423998U (en) | 2016-02-29 | 2016-02-29 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620150048.5U CN205423998U (en) | 2016-02-29 | 2016-02-29 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423998U true CN205423998U (en) | 2016-08-03 |
Family
ID=56541840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620150048.5U Active CN205423998U (en) | 2016-02-29 | 2016-02-29 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
-
2016
- 2016-02-29 CN CN201620150048.5U patent/CN205423998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |