CN203146945U - High-temperature spring full lift safety valve - Google Patents
High-temperature spring full lift safety valve Download PDFInfo
- Publication number
- CN203146945U CN203146945U CN 201320025578 CN201320025578U CN203146945U CN 203146945 U CN203146945 U CN 203146945U CN 201320025578 CN201320025578 CN 201320025578 CN 201320025578 U CN201320025578 U CN 201320025578U CN 203146945 U CN203146945 U CN 203146945U
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- spring
- valve seat
- disc holder
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a high-temperature spring full lift safety valve. The high-temperature spring full lift safety valve comprises a valve body, a lower bonnet, an upper bonnet and a valve cap which are sequentially connected from bottom to top. An opening is arranged on one side of the upper bonnet, a valve seat is arranged at the lower end of the valve body, a disc holder is arranged in the valve body, a T-shaped guide disc is sleeved on the periphery of the disc holder, a valve clack corresponding to the valve seat is mounted at the lower end of the disc holder, the upper end of the disc holder is connected with a valve stem, the upper end of the valve stem penetrates through the lower bonnet and extends into the upper bonnet, two spring seats are sleeved on the valve stem, a compression spring is mounted between the two spring seats, a rotatable sealing ring matching with valve clack is sleeved on the end face of the upper end of the valve seat, and the valve clack is tightly butted against the sealing ring at the upper end of the valve seat by the aid of pressure of the compression spring to form sealing. The high-temperature spring full lift safety valve is simple and reasonable in structure; and by the design that the rotatable sealing ring matching with the valve clack is arranged on the end face of the upper end of the valve seat, damage to a sealing surface caused by rotation of the valve clack is prevented effectively; and normal operation of the safety valve is guaranteed.
Description
Technical field
The utility model relates to a kind of safety valve, is specially a kind of high temperature spring Fall lift safety valve.
Background technique
Direct spring loaded safety valve refer to rely on spring elastic pressure and with Sealing lockings such as the valve of valve or plungers, in case the high pressure that produces after the pressure anomaly of pressurized container will overcome the spring pressure of safety valve, so blocking device is backed down, formed a pressure release passage, high pressure is released.Direct spring loaded safety valve is mainly used in pressurized boiler, container, pipeline, to guarantee that pressurized system normally moves.The high temperature spring Fall lift safety valve does not contact with medium because its spring mechanism directly is in the atmosphere, therefore has resistance to high temperature preferably.In the using process of existing high temperature spring Fall lift safety valve, need sometimes cracking pressure is adjusted, and when being rotated adjusting, flap is driven to rotate, and then cause sealing surface impaired easily, influence the using effect of safety valve.
The model utility content
The purpose of this utility model provides a kind of high temperature spring Fall lift safety valve, when cracking pressure being rotated adjusting, flap is driven to rotate to solve high temperature spring Fall lift safety valve traditional in the prior art, and then cause sealing surface impaired easily, influence the problem of safety valve using effect.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of high temperature spring Fall lift safety valve, comprise the valve body that links to each other successively from bottom to top, bottom flange, bonnet and bonnet, it is characterized in that: described bonnet one side is provided with uncovered, described valve body lower end is provided with valve seat, be provided with the Disc holder that periphery is set with T type positioning disk in the valve body, described Disc holder lower end is equipped with the flap corresponding with valve seat, the upper end is connected with valve rod, bottom flange is passed in described valve rod upper end, and stretch in the bonnet, be set with on the described valve rod lay respectively in the bonnet on, the spring seat of lower end, between described two spring seats compression spring is installed, described valve seat upper end end face is with the rotating seal ring that matches with flap, and described flap forms sealing by the seal ring that the pressure that compresses spring pushes against in the valve seat upper end.
Described a kind of high temperature spring Fall lift safety valve is characterized in that: described valve seat, flap, Disc holder and seal ring all adopt titanium alloy to make.
The beneficial effects of the utility model are:
The utility model is simple and reasonable, easy to use, the rotating seal ring design that employing matches with flap in the end face setting of valve seat upper end, make safety valve when carrying out the cracking pressure adjustment, if flap is followed valve rod and is rotated, then seal ring also and then rotates, and has prevented from effectively having guaranteed the normal use of safety valve owing to flap rotates the generation that causes the sealing surface damaged phenomenon.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of high temperature spring Fall lift safety valve, comprise the valve body 1 that links to each other successively from bottom to top, bottom flange 2, bonnet 3 and bonnet 4, bonnet 3 one sides are provided with uncovered, valve body 1 lower end is provided with valve seat 5, be provided with the Disc holder 7 that periphery is set with T type positioning disk 6 in the valve body 1, Disc holder 7 lower ends are equipped with the flap 8 corresponding with valve seat 5, the upper end is connected with valve rod 9, bottom flange 2 is passed in valve rod 9 upper ends, and stretch in the bonnet 3, be set with on the valve rod 9 lay respectively in the bonnet 3 on, the spring seat 10 of lower end, compression spring 11 is installed between two spring seats 10, and valve seat 5 upper end end faces are with the rotating seal ring 12 that matches with flap 8, and flap 8 forms sealing by the seal ring 12 that the pressure that compresses spring 11 pushes against in valve seat 5 upper ends.
Claims (2)
1. high temperature spring Fall lift safety valve, comprise the valve body that links to each other successively from bottom to top, bottom flange, bonnet and bonnet, it is characterized in that: described bonnet one side is provided with uncovered, described valve body lower end is provided with valve seat, be provided with the Disc holder that periphery is set with T type positioning disk in the valve body, described Disc holder lower end is equipped with the flap corresponding with valve seat, the upper end is connected with valve rod, bottom flange is passed in described valve rod upper end, and stretch in the bonnet, be set with on the described valve rod lay respectively in the bonnet on, the spring seat of lower end, between described two spring seats compression spring is installed, described valve seat upper end end face is with the rotating seal ring that matches with flap, and described flap forms sealing by the seal ring that the pressure that compresses spring pushes against in the valve seat upper end.
2. a kind of high temperature spring Fall lift safety valve according to claim 1, it is characterized in that: described valve seat, flap, Disc holder and seal ring all adopt titanium alloy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025578 CN203146945U (en) | 2013-01-17 | 2013-01-17 | High-temperature spring full lift safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025578 CN203146945U (en) | 2013-01-17 | 2013-01-17 | High-temperature spring full lift safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146945U true CN203146945U (en) | 2013-08-21 |
Family
ID=48974469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320025578 Expired - Fee Related CN203146945U (en) | 2013-01-17 | 2013-01-17 | High-temperature spring full lift safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533805A (en) * | 2018-04-14 | 2018-09-14 | 上海中船三井造船柴油机有限公司 | A kind of effective safety valve of scavenging collection |
| CN114838170A (en) * | 2022-06-09 | 2022-08-02 | 天津卡尔斯阀门股份有限公司 | Hydraulic control valve |
-
2013
- 2013-01-17 CN CN 201320025578 patent/CN203146945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533805A (en) * | 2018-04-14 | 2018-09-14 | 上海中船三井造船柴油机有限公司 | A kind of effective safety valve of scavenging collection |
| CN114838170A (en) * | 2022-06-09 | 2022-08-02 | 天津卡尔斯阀门股份有限公司 | Hydraulic control valve |
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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: 20130821 Termination date: 20160117 |
|
| EXPY | Termination of patent right or utility model |