CN208252765U - A kind of sealing element and the nuclear power regulating valve with the sealing element - Google Patents
A kind of sealing element and the nuclear power regulating valve with the sealing element Download PDFInfo
- Publication number
- CN208252765U CN208252765U CN201820675506.6U CN201820675506U CN208252765U CN 208252765 U CN208252765 U CN 208252765U CN 201820675506 U CN201820675506 U CN 201820675506U CN 208252765 U CN208252765 U CN 208252765U
- Authority
- CN
- China
- Prior art keywords
- sealing element
- valve
- sealing
- ring
- nuclear power
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a kind of sealing element and the nuclear power regulating valve with the sealing element, sealing element include sealing ring, and annular groove is disposed on sealing ring, and ring spring is disposed in annular groove, and the section of annular groove is U-type groove.Sealing ring is propped up by the flexible deformation of ring spring, can effectively guarantee air-tightness under high-temperature and high-pressure conditions；It is equipped in the nuclear power regulating valve of sealing element, sealing element is arranged between valve plug and upper bush, by the flexible deformation of ring spring, the two side walls of sealing ring can be made to be close to live in the inner wall of sleeve and the outer wall of valve plug respectively, to guarantee air-tightness between the two；It is equipped in another structure of the nuclear power regulating valve of sealing element, sealing element is placed at valve deck and valve body fastening, in conjunction with the flexible deformation of ring spring, so that two end faces of sealing ring is distinguished valve deck and valve body abutting, to guarantee air-tightness between the two.
Description
Technical field
The utility model relates to nuclear power regulating valve technical field, in particular to a kind of sealing element and the nuclear power with the sealing element
Regulating valve.
Background technique
In the equipment of nuclear power station, although valve only accessory, its effect but be can not be ignored, because valve is to core
Normal, the safe and reliable operation in power station have the function of it is particularly important, therefore the reliability to nuclear power regulating valve, adaptability,
Stability and sealing requirements are also higher and higher.Sealing element is right as one indispensable main component of high-temperature high-pressure apparatus
The guarantee of high-temperature high-pressure apparatus reliability, stability plays an important role.And the design of ultralow temperature equipment sealing both at home and abroad at present
Mainly executed according to API-6D-2008 and GBT4213-2008 pneumatic control valve standard.All kinds of sealing elements are in high temperature on the market
It is easy to cause gas to leak when using under high pressure operating condition, sealing effect is bad, although many producers are to the structure and material of sealing
Performance is optimized, improves, and achieves some effects, but and not up to condition needed for nuclear power regulating valve equipment, therefore grind
Study carefully exploitation high-temperature high-pressure regulating valve sealing element, is the important guarantee of the Scientific research equipments such as big science engineering application and development, has non-
Often important science and practical significance.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of sealing element and the nuclear power with the sealing element is adjusted
Valve can solve the poorly sealed close problem of nuclear power regulating valve, fill up domestic nuclear power high-temperature high-pressure regulating valve sealing industry
Blank.
Used technical solution to solve above-mentioned technical problem:
A kind of sealing element, including sealing ring are disposed with annular groove on the sealing ring, are disposed with annular in the annular groove
Spring, the section of the annular groove are U-type groove.
Further, the sealing ring is pure PTFE component.
Further, the U-type groove opening direction is parallel with the central axis of the sealing ring.
Further, central opening of the U-type groove opening towards the sealing ring.
Further, central opening of the U-type groove opening backwards to the sealing ring.
A kind of nuclear power regulating valve, including upper bush, lower sleeve, valve plug and sealing element, the upper bush and lower sleeve fasten
After form cavity, the valve plug is placed in the cavity, the sealing element be arranged in the valve plug outer wall and the upper set
Between the inner wall of cylinder.
A kind of nuclear power regulating valve, including valve body, valve deck, spool and sealing element, the sealing element be arranged in the valve deck with
Between valve body.
The utility model has the advantages that the utility model will seal central shoring by the flexible deformation of ring spring by the sealing element of design
It rises, can effectively guarantee air-tightness under high-temperature and high-pressure conditions；It is equipped in the nuclear power regulating valve of sealing element, sealing element is arranged
Between valve plug and upper bush, by the flexible deformation of ring spring, the two side walls of sealing ring can be made to be close to live in set respectively
The inner wall of cylinder and the outer wall of valve plug, to guarantee air-tightness between the two；The another of the nuclear power regulating valve of sealing element is installed
In kind structure, sealing element is placed at valve deck and valve body fastening, in conjunction with the flexible deformation of ring spring, makes two of sealing ring
Valve deck is distinguished in end face and valve body is close to, to guarantee air-tightness between the two.
Detailed description of the invention
Fig. 1 is the first embodiment cross-sectional view of sealing element；
Fig. 2 is the second embodiment cross-sectional view of sealing element；
Fig. 3 is the 3rd embodiment cross-sectional view of sealing element；
Fig. 4 is mounting structure cross-sectional view of the first embodiment in nuclear power regulating valve；
Fig. 5 is mounting structure cross-sectional view of the second embodiment in nuclear power regulating valve.
Specific embodiment
The utility model is described further below with reference to Fig. 1 to Fig. 5.
A kind of sealing element, including sealing ring 11 are disposed with annular groove on the sealing ring 11, are disposed in the annular groove
Ring spring 12, the section of the annular groove are U-type groove.The sealing ring 11 is pure PTFE material, and the material is at 300 DEG C or less
It can all work normally, efficiently solve the problems, such as the air-tightness under high-temperature and high-pressure conditions.
The ring spring 12 is metal material, and the ring spring 12 is by one section of common spring around head and the tail splicing group
At the ring spring 12 is that the sealing ring 11 provides Sealing Stress guarantee sealing performance, passes through the ring spring 12
Flexible deformation provides the lip initial sealing stress of the annular groove, to realize elevated-temperature seal.
It is as shown in Figure 1 the first embodiment structure of sealing element, in the U-type groove opening direction and the sealing ring 11
Mandrel is parallel, i.e., the described annular groove is arranged on the end face of the sealing ring 11.
It is illustrated in figure 2 the second embodiment structure of sealing element, the U-type groove is open towards the center of the sealing ring 11
Opening, i.e., the described annular groove are arranged on the inner sidewall of the sealing ring 11.
It is illustrated in figure 3 the 3rd embodiment structure of sealing element, the U-type groove opening is backwards to the center of the sealing ring 11
Opening, i.e., the described annular groove are arranged on the lateral wall of the sealing ring 11.
Nuclear power regulating valve as shown in Figure 4 comprising upper bush 21, lower sleeve 22, valve plug 23 and sealing as shown in Figure 1
Part, the upper bush 21 and lower sleeve 22 form cavity after fastening, and the valve plug 23 is placed in the cavity, the sealing element cloth
It sets between the outer wall of the valve plug 23 and the inner wall of the upper bush 21.The inner wall of the upper bush 21 is disposed with for placing
The accommodating annular groove of sealing element when the valve plug 23 moves up and down, can guarantee the valve plug 23 and the upper set by the sealing element
Air-tightness between cylinder 21.
Nuclear power regulating valve as shown in Figure 5 comprising valve body 31, valve deck 32, spool 33 and sealing as shown in figures 2 and 3
Part, the sealing element are arranged between the valve deck 32 and valve body 31.The valve deck 32 is detained by flange arrangement and the valve body 31
It closes, which is located at the fastening of the two, extruding, ring spring 12 by the valve deck 32 and valve body 31 to sealing ring 11
Flexible deformation to the elastic force of the reaction force and sealing ring 11 itself of sealing ring 11, it is ensured that the air-tightness at fastening.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (7)
1. a kind of sealing element, it is characterised in that: including sealing ring (11), it is disposed with annular groove on the sealing ring (11), it is described
It is disposed in annular groove ring spring (12), the section of the annular groove is U-type groove.
2. a kind of sealing element according to claim 1, it is characterised in that: the sealing ring (11) is pure PTFE component.
3. a kind of sealing element according to claim 2, it is characterised in that: the U-type groove opening direction and the sealing ring
(11) central axis is parallel.
4. a kind of sealing element according to claim 2, it is characterised in that: the U-type groove is open towards the sealing ring
(11) central opening.
5. a kind of sealing element according to claim 2, it is characterised in that: the U-type groove opening is backwards to the sealing ring
(11) central opening.
6. a kind of nuclear power regulating valve, it is characterised in that: including upper bush (21), lower sleeve (22), valve plug (23) and claim 1
Or sealing element described in 2 or 3, the upper bush (21) and lower sleeve (22) form cavity after fastening, the valve plug (23) is placed
In the cavity, the sealing element is arranged between the outer wall of valve plug (23) and the inner wall of the upper bush (21).
7. a kind of nuclear power regulating valve, it is characterised in that: including valve body (31), valve deck (32), spool (33) and claims 1 or 2
Or sealing element described in 4 or 5, the sealing element are arranged between the valve deck (32) and valve body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675506.6U CN208252765U (en) | 2018-05-07 | 2018-05-07 | A kind of sealing element and the nuclear power regulating valve with the sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675506.6U CN208252765U (en) | 2018-05-07 | 2018-05-07 | A kind of sealing element and the nuclear power regulating valve with the sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252765U true CN208252765U (en) | 2018-12-18 |
Family
ID=64635885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820675506.6U Active CN208252765U (en) | 2018-05-07 | 2018-05-07 | A kind of sealing element and the nuclear power regulating valve with the sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252765U (en) |
-
2018
- 2018-05-07 CN CN201820675506.6U patent/CN208252765U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204164550U (en) | A kind of pipeline extension device of triple seal structure | |
| CN202381893U (en) | Quick connection device of self-sealing aligning waterway of mining flameproof equipment | |
| CN104180064A (en) | Stop valve | |
| CN102537561A (en) | Quick connector for hoses | |
| CN209800751U (en) | Ferrule press-sleeve type stop valve | |
| CN111520566A (en) | A interior expanding end cap for pipeline leakproofness detects | |
| CN208252765U (en) | A kind of sealing element and the nuclear power regulating valve with the sealing element | |
| CN108899100B (en) | Sealing structure for maintaining pebble bed high-temperature reactor device | |
| CN218761436U (en) | Filling valve capable of being actively controlled | |
| CN105370369A (en) | Exhaust pipe snap ring type seal connecting piece | |
| CN213206944U (en) | A interior expanding end cap for pipeline leakproofness detects | |
| CN204878769U (en) | High pressure gas piping butterfly valve | |
| CN212643667U (en) | Feeding valve | |
| CN209960085U (en) | Self-sealing nut and air conditioner | |
| CN205743833U (en) | A kind of high pressure VR blocks up | |
| CN207068744U (en) | A kind of Multifunctional, air compresses switch | |
| CN105134973A (en) | Double-seal ring for high-temperature high-pressure pipelines | |
| CN203162139U (en) | High-pressure sealing plug | |
| CN210397700U (en) | Differential shell plugging mechanism | |
| CN212107157U (en) | Corrugated pipe regulating valve | |
| CN102720851A (en) | Gate valve | |
| CN211202961U (en) | Pneumatic control integrated valve | |
| CN212203272U (en) | Pilot valve with adjustable opening and closing pressure difference for steam of nuclear power station | |
| CN214222157U (en) | Membrane cover and pneumatic membrane actuating mechanism | |
| CN211901570U (en) | Pneumatic rubber seal of long service life's high strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 1 Xinyu North Road, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province, 510000 Patentee after: GUANGZHOU JST SEALS TECHNOLOGY Co.,Ltd. Address before: 510530 block B, 718 Kaichuang Avenue, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGZHOU JST SEALS TECHNOLOGY Co.,Ltd. |