CN201844032U - Full-enclosed welded-type nuclear grade valve - Google Patents
Full-enclosed welded-type nuclear grade valve Download PDFInfo
- Publication number
- CN201844032U CN201844032U CN2010205965249U CN201020596524U CN201844032U CN 201844032 U CN201844032 U CN 201844032U CN 2010205965249 U CN2010205965249 U CN 2010205965249U CN 201020596524 U CN201020596524 U CN 201020596524U CN 201844032 U CN201844032 U CN 201844032U
- Authority
- CN
- China
- Prior art keywords
- valve
- nuclear grade
- type nuclear
- hermetically sealed
- rotary
- 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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- 238000005493 welding type Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 210000003739 neck Anatomy 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses a full-enclosed welded-type nuclear grade valve which comprises a valve body and a valve seat, wherein a rotating shaft, an oil cylinder, a one-way valve, a first valve opening and a second valve opening are arranged on the valve seat; a rotary valve plug is pivoted on the rotating shaft; the oil cylinder is connected with the first valve opening on the valve seat; an oil cylinder cover plate is arranged at one end of the oil cylinder; the rotary valve plug comprises a valve cap and a rotary piston connected with the valve cap; in the close state, the valve cap covers the second valve opening, and the rotary piston is positioned at the port of the first valve opening; and a spring is tightly sleeved on the rotating shaft. The full-enclosed welded-type nuclear grade valve is good in leak tightness, can achieve zero leakage, and has no running torque, thereby saving labor in opening.
Description
Technical field
The utility model relates to a kind of valve, specifically a kind of hermetically sealed welding type nuclear grade valve.
Background technique
The existing valve that is used for pipeline especially for the valve in the nuclear power generating equipment, occurs leaking easily, does not reach the seal standard of requirement; And because effort is opened also in the existence of moment of torsion.
Summary of the invention
The purpose of this utility model provides a kind of hermetically sealed welding type nuclear grade valve.
To be solved in the utility model is existing valve, and the problem of effort is leaked and opened also in appearance easily.
For achieving the above object, the technical solution adopted in the utility model is: it comprises valve body and valve seat, and valve seat is provided with rotatingshaft, oil cylinder, one-way valve, first valve opening and second valve opening; Be articulated with the rotation valve plug on the rotatingshaft, oil cylinder is connected on first valve opening of valve seat, and the end of oil cylinder is provided with the oil cylinder cover plate, and the rotation valve plug comprises valve gap and the rotary-piston that is connected with valve gap; Under the closed condition, valve gap covers on second valve opening, and rotary-piston is positioned at the first valve opening port; Spring tightly is enclosed within on the rotatingshaft.
Valve seat is provided with bearing support, and rotatingshaft two ends are loaded on the bearing support.One end of spring is attached on the valve seat, and the other end is attached on the valve gap.The rotation valve plug also comprises link, and valve gap is connected by link with rotary-piston.Link is semicircular connecting sheet, and at least two of connecting sheets, valve gap and rotary-piston are separately fixed at two ends of connecting sheet.
One-way valve comprises and connects neck, is located at push rod, push rod plug, the steel ball in the connection neck and is placed on push rod enclosing cover beyond the Great Wall that the push rod plug is positioned at the rear end of push rod, and steel ball is positioned at the top of push rod, and push rod is provided with seal ring.One side of valve seat central authorities neck is provided with filler opening, and the opposite side of central neck is provided with oil outlet, is provided with oil duct between filler opening and the oil outlet, and oil duct is provided with one-way valve, and the steel ball of one-way valve is positioned at oil duct.
Rotary-piston is provided with axis hole, and rotary-piston is articulated on the rotatingshaft by axis hole.Connect neck and be provided with radiating groove.
Valve body comprises first valve body and second valve body, and first valve body is the half U type structure, and second valve body is identical with the structure of first valve body, also is the half U type structure, and first valve body and second valve body are welded in the valve body of the two rear flank formation U type of valve seat respectively.
The beneficial effects of the utility model are: good airproof performance, can accomplish non-leakagely, and the utility model is because no moment of torsion, so open laborsaving.
Description of drawings
Fig. 1 is a decomposing schematic representation of the present utility model.
Fig. 2 is an internal structure schematic representation of the present utility model.
Fig. 3 is the structural representation that the utility model does not weld first valve body.
Fig. 4 is the structural representation that the utility model does not weld second valve body.
Fig. 5 is the structural representation under the utility model closed condition.
Fig. 6 is an external structure schematic representation of the present utility model.
Fig. 7 is the structural representation (opening state) that the utility model one-way valve is installed valve seat.
Fig. 8 is the structural representation (closed condition) that the utility model one-way valve is installed valve seat.
Fig. 9 is the A-A sectional drawing of Fig. 7.
Figure 10 is the back elevation of Fig. 7.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in the figure, the utility model comprises valve body and valve seat 20, and valve seat 20 is provided with rotatingshaft 9, oil cylinder 2, one-way valve 4, first valve opening 12 and second valve opening 19; Be articulated with rotation valve plug 17 on the rotatingshaft 9, oil cylinder 2 is connected on first valve opening 12 of valve seat 20, the end of oil cylinder 2 is provided with oil cylinder cover plate 22, and rotation valve plug 17 comprises valve gap 18, the rotary-piston 15 and the link that are connected with valve gap 18, and valve gap 18 and rotary-piston 15 are connected by link.Under the closed condition, valve gap 18 covers on second valve opening 19, and rotary-piston 15 is positioned at first valve opening, 12 ports; Under the opening state, turn on the valve gap 18, no longer cover second valve opening 19, rotary-piston 15 screws in the oil cylinder 2 and is butted on the inboard of oil cylinder cover plate 22.Spring 8 tightly is enclosed within on the rotatingshaft 9.One end of spring 8 is attached on the valve seat 20, and the other end is attached on the valve gap 18.
One-way valve 4 comprises and connects neck 3, is located at and connects push rod 11, push rod plug 5, the steel ball 24 in the neck 3 and be placed on enclosing cover 6 on the push rod plug 5 that push rod plug 5 is positioned at the rear end of push rod 11, and steel ball 24 is positioned at the top of push rod 11, and push rod 11 is provided with seal ring 10.One side of valve seat 20 central necks is provided with filler opening 23, and the opposite side of central neck is provided with oil outlet 26, is provided with oil duct 25 between filler opening 23 and the oil outlet 26, and oil duct 25 is provided with one-way valve 4, and the steel ball 24 of one-way valve 4 is positioned at oil duct 14.
Rotary-piston 15 is provided with axis hole 14, and rotary-piston 15 is articulated on the rotatingshaft 9 by axis hole 14.Connect neck 3 and be provided with radiating groove 21.
Valve body comprises that first valve body 1 and second valve body, 13, the first valve bodies 1 are the half U type structure, and second valve body 13 is identical with the structure of first valve body 1, also is the half U type structure, and first valve body 1 and second valve body 13 are welded in the valve body of the two rear flank formation U type of valve seat 20 respectively.
Working principle of the present utility model is: when one-way valve 4 was closed, the pressure correlation in the oil cylinder 2 was in the pressure of pipeline upstream, and 17 rotations of rotation valve plug make valve gap 18 cover second valve opening 19.When one-way valve 4 is opened constantly, decompressions in the oil cylinder 2,17 rotations of rotation valve plug are turned on the valve gap 18, and rotary-piston 15 screws in the oil cylinders 2 and is butted on the inboard of oil cylinder cover plate 22.
Claims (10)
1. a hermetically sealed welding type nuclear grade valve comprises valve body and valve seat, it is characterized in that valve seat is provided with rotatingshaft, oil cylinder, one-way valve, first valve opening and second valve opening; Be articulated with the rotation valve plug on the rotatingshaft, oil cylinder is connected on first valve opening of valve seat, and the end of oil cylinder is provided with the oil cylinder cover plate, and the rotation valve plug comprises valve gap and the rotary-piston that is connected with valve gap; Under the closed condition, valve gap covers on second valve opening, and rotary-piston is positioned at the first valve opening port; Spring tightly is enclosed within on the rotatingshaft.
2. hermetically sealed welding type nuclear grade valve according to claim 1 is characterized in that valve seat is provided with bearing support, and rotatingshaft two ends are loaded on the bearing support.
3. hermetically sealed welding type nuclear grade valve according to claim 1 is characterized in that an end of spring is attached on the valve seat, and the other end is attached on the valve gap.
4. hermetically sealed welding type nuclear grade valve according to claim 1 is characterized in that rotating valve plug and also comprises link, and valve gap is connected by link with rotary-piston.
5. hermetically sealed welding type nuclear grade valve according to claim 4 is characterized in that link is semicircular connecting sheet, and at least two of connecting sheets, valve gap and rotary-piston are separately fixed at two ends of connecting sheet.
6. hermetically sealed welding type nuclear grade valve according to claim 1, it is characterized in that one-way valve comprises the connection neck, is located at push rod, push rod plug, the steel ball in the connection neck and is placed on push rod enclosing cover beyond the Great Wall, the push rod plug is positioned at the rear end of push rod, steel ball is positioned at the top of push rod, and push rod is provided with seal ring.
7. hermetically sealed welding type nuclear grade valve according to claim 1, a side that it is characterized in that valve seat central authorities neck is provided with filler opening, and the opposite side of central neck is provided with oil outlet, is provided with oil duct between filler opening and the oil outlet, oil duct is provided with one-way valve, and the steel ball of one-way valve is positioned at oil duct.
8. hermetically sealed welding type nuclear grade valve according to claim 1 is characterized in that rotary-piston is provided with axis hole, and rotary-piston is articulated on the rotatingshaft by axis hole.
9. hermetically sealed welding type nuclear grade valve according to claim 1, it is characterized in that valve body comprises first valve body and second valve body, first valve body is the half U type structure, second valve body is identical with the structure of first valve body, also be the half U type structure, first valve body and second valve body are welded in the valve body of the two rear flank formation U type of valve seat respectively.
10. hermetically sealed welding type nuclear grade valve according to claim 1 is characterized in that connecting neck and is provided with radiating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205965249U CN201844032U (en) | 2010-11-01 | 2010-11-01 | Full-enclosed welded-type nuclear grade valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205965249U CN201844032U (en) | 2010-11-01 | 2010-11-01 | Full-enclosed welded-type nuclear grade valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844032U true CN201844032U (en) | 2011-05-25 |
Family
ID=44038924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205965249U Expired - Fee Related CN201844032U (en) | 2010-11-01 | 2010-11-01 | Full-enclosed welded-type nuclear grade valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994841A (en) * | 2010-11-01 | 2011-03-30 | 邱金全 | Fully-sealed welded nuclear grade valve |
-
2010
- 2010-11-01 CN CN2010205965249U patent/CN201844032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994841A (en) * | 2010-11-01 | 2011-03-30 | 邱金全 | Fully-sealed welded nuclear grade valve |
| WO2012058892A1 (en) * | 2010-11-01 | 2012-05-10 | Qiu Jinquan | Full seal welding type nuclear-grade valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QFY HEAVY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: QIU JINQUAN Effective date: 20120502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120502 Address after: Dai Zhen Qi Tang Cun new 314211 Zhejiang city of Pinghu Province Patentee after: QFY HEAVY EQUIPMENT CO., LTD. Address before: 314211 Zhejiang city of Pinghu province Zhejiang New Town Central Power Heavy Machinery Co Ltd Patentee before: Qiu Jinquan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20161101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |