CN201599422U - Double-spool stop valve - Google Patents
Double-spool stop valve Download PDFInfo
- Publication number
- CN201599422U CN201599422U CN201020300965XU CN201020300965U CN201599422U CN 201599422 U CN201599422 U CN 201599422U CN 201020300965X U CN201020300965X U CN 201020300965XU CN 201020300965 U CN201020300965 U CN 201020300965U CN 201599422 U CN201599422 U CN 201599422U
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- Prior art keywords
- spool
- valve body
- valve
- sealing surface
- handwheel
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- Expired - Fee Related
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Abstract
The utility model provides a double-spool stop valve, which belongs to the technical field of valves and resolves the problems that the existing stop valves are poor in sealing property and can not realize cut-off functions. The double-spool stop valve comprises a valve body, a spool, a valve stem and a handle, wherein a sealing surface is arranged in the valve body, the spool is arranged in the valve body and correspond to the sealing surface, the inner end of the valve stem is fixedly connected with the spools, the outer end of the valve stem extends out of the valve body and is fixedly connected with the handle, the valve stem is connected with the valve body via thread, a sealed valve body formed when the spool contacts with the sealing surface is divided into two independent cavities, an secondary sealing surface is arranged in one of the cavities of the valve body, a secondary spool is arranged in the valve body, a hand wheel capable of rotating is arranged on the outer side of the valve body, and a driving mechanism arranged between the hand wheel and the secondary spool can drive the secondary spool to contact with the secondary sealing surface so as to form seal. The double-spool stop valve has the advantages of high stability, convenient operation, fine sealing property and the like.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of stop valve, particularly a kind of stop valve with double spool.
Background technique
Stop valve is installed in the pipe-line system, can make pipe-line system standard-sized sheet or full cut-off by stop valve.The stop valve working stroke is shorter, therefore is widely used.
Existing stop valve is made up of valve body, spool, valve rod and handle etc. usually, and spool is positioned at valve body, and the inner and the spool of valve rod are connected, and the outer end of valve rod is stretched out valve body and is connected mutually with handle.In operation during stop valve, pull handle and can drive spool by valve rod and move up and down along stem shaft.
Just can realize when as can be seen, above-mentioned stop valve is in up and down two limit positions pipe-line system standard-sized sheet or full cut-off.But, limited only according to mobile its sealing of a spool, that is to say that its sealing is relatively poor.Make stop valve not close fully, thereby influence whole pipe-line system.
Existing other stop valve also exists similar problem.
Summary of the invention
The purpose of this utility model is at existing in prior technology the problems referred to above, and a kind of stability in use height, double spool stop valve easy and simple to handle are provided.
The purpose of this utility model can realize by following technical proposal: a kind of double spool stop valve, comprise valve body, spool, valve rod and handle, has a sealing surface in the valve body, described spool is positioned at valve body and corresponding with the sealing surface position, the inner and the spool of valve rod are connected, the outer end of valve rod is stretched out valve body and is connected mutually with handle, described valve rod is connected by screw thread with valve body, and, spool is separated into two independently cavitys when contacting the formation sealed valve body with sealing surface, it is characterized in that, has a secondary sealing area in one of them cavity of described valve body, described valve body also is provided with an auxiliary valve core, the described valve body outside is provided with a handwheel that can rotate, is provided with when handwheel rotates between described handwheel and the auxiliary valve core to make auxiliary valve core contact and form the driving mechanism that seals with secondary sealing area.
In this double spool stop valve, by pulling handle spool is moved, make spool break away from sealing surface fully or make spool contact and form sealing with sealing surface.
Meanwhile, the rotation handwheel can make auxiliary valve core break away from secondary sealing area fully by driving mechanism or make auxiliary valve core contact and form sealing with secondary sealing area.
Obviously, when spool disengaging sealing surface, auxiliary valve core disengaging secondary sealing area, whole stop valve is in full-gear.On the contrary, form sealing when spool contacts with sealing surface, auxiliary valve core contact formation and seals with secondary sealing area, whole stop valve is in full-shut position.
In above-mentioned double spool stop valve, described driving mechanism is the connecting rod of being located at the attachment hole on the handwheel and being connected with auxiliary valve core, and described connecting rod is connected by screw thread with above-mentioned attachment hole.
Rotate in the handwheel process, connecting rod can move up and down along the screw thread on it, that is to say that auxiliary valve core can move up and down in the handwheel rotation process.
As another situation, in above-mentioned double spool stop valve, described driving mechanism is the connecting rod that is connected with handwheel and the attachment hole on the auxiliary valve core, and described connecting rod is connected by screw thread with above-mentioned attachment hole.
Same, rotate in the handwheel process, auxiliary valve core can move up and down along the screw thread on it, promptly rotates handwheel and can drive auxiliary valve core and move up and down.
In above-mentioned double spool stop valve, the described handwheel outside has recessed ringwise locating slot, has the card edge that is complementary with locating slot on the described valve body, and card is along being positioned at the locating slot place.Make handwheel in rotation process, can not break away from by card edge and locating slot cooperation from valve body.
In above-mentioned double spool stop valve, be provided with rubber seal between described auxiliary valve core and the secondary sealing area.Can improve sealing between auxiliary valve core and the secondary sealing area by rubber seal.
Compared with prior art, this double spool stop valve also can form sealing between auxiliary valve core and the secondary sealing area simultaneously owing to can form sealing between spool and the sealing surface.Therefore, its sealing is higher, stability in use is higher, can make whole stop valve reach the state of full cut-off fully.
In addition, it has just increased auxiliary valve core, handwheel and secondary sealing area etc. on the basis of common stop valve, and therefore, its structure is also fairly simple, has advantages of high practicability.
Description of drawings
Accompanying drawing 1 is the sectional structure schematic representation of the stop valve of this double spool.
Among the figure, 1, valve body; 1a, sealing surface; 1b, secondary sealing area; 1c, card edge; 2, valve rod; 3, spool; 4, handle; 5, auxiliary valve core; 5a, connecting rod; 6, handwheel; 6a, attachment hole; 6b, locating slot; 7, rubber seal.
Embodiment
As shown in the figure, the stop valve of this double spool comprises valve body 1, valve rod 2, spool 3, handle 4, auxiliary valve core 5 etc.
The inside of valve body 1 is cavity, has sealing surface 1a in the valve body 1.Spool 3 is positioned at valve body 1, and the inner of valve rod 2 and spool 3 are connected, and the outer end of valve rod 2 is stretched out valve body 1 and is connected with handle 4.Spool 3 is corresponding with the position of sealing surface 1a.
That is to say that spool 3 can move up and down, when moving to two limit positions, can make spool 3 break away from sealing surface 1a or spool 3 is contacted with sealing surface 1a to form sealing.
When spool 3 contacted the formation sealing with sealing surface 1a after, valve body 1 inside was separated into two independently cavitys.
Be provided with secondary sealing area 1b in one of them cavity of valve body 1, above-mentioned auxiliary valve core 5 just is located in this cavity.
The outside of valve body 1 also is provided with a handwheel 6.Handwheel 6 outsides have ringwise recessed locating slot 6b, and the card that has protrusion on the valve body 1 is along 1c, and card is complementary and blocks along 1c along 1c and locating slot 6b and is positioned at locating slot 6b place.
Have attachment hole 6a on the handwheel 6, be fixed with connecting rod 5a on the auxiliary valve core 5, connecting rod 5a is connected by screw thread with attachment hole 6a.Certainly, according to actual conditions, connecting rod 5a is connected on the handwheel 6, it also is feasible on the spool 3 that attachment hole 6a is located at.
In addition, in order to increase sealing effect, between spool 3 and sealing surface 1a, be provided with rubber seal 7.Between auxiliary valve core 5 and secondary sealing area 1b, also be provided with rubber seal 7.
When this stop valve of operation, moving handle 4 can move up and down with respect to valve body 1 by valve rod 2 drive spools 3, just can break away from sealing surface 1a after spool 3 moves or contact formation with sealing surface 1a to seal.In like manner, rotate that handwheel 6 back auxiliary valve cores 5 can break away from secondary sealing area 1b or contact to form with secondary sealing area 1b and seal.
Obviously, spool 3 contacts the formation sealing with sealing surface 1a and auxiliary valve core 5 contacts the formation sealing with secondary sealing area 1b, just makes the stop valve of this double spool be in full-shut position.Can better increase sealing by rubber seal 7.When spool 3 broke away from sealing surface 1a and auxiliary valve core 5 disengaging secondary sealing area 1b, the stop valve of this double spool was in full-gear.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used valve body 1, sealing surface 1a, secondary sealing area 1b, card along terms such as 1c, valve rod 2, spool 3, handle 4, auxiliary valve core 5, connecting rod 5a, handwheel 6, attachment hole 6a, locating slot 6b, rubber seal 7 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. double spool stop valve, comprise valve body (1), spool (3), valve rod (2) and handle (4), has a sealing surface (1a) in the valve body (1), described spool (3) is positioned at valve body (1) and corresponding with sealing surface (1a) position, the inner of valve rod (2) and spool (3) are connected, the outer end of valve rod (2) is stretched out valve body (1) and is connected mutually with handle (4), described valve rod (2) is connected by screw thread with valve body (1), and, spool (3) is separated into two independently cavitys when contacting formation sealed valve body (1) with sealing surface (1a), it is characterized in that, has a secondary sealing area (1b) in one of them cavity of described valve body (1), described valve body (1) also is provided with an auxiliary valve core (5), described valve body (1) outside is provided with a handwheel (6) that can rotate, is provided with when handwheel (6) rotation can make auxiliary valve core (5) and secondary sealing area (1b) between described handwheel (6) and the auxiliary valve core (5) and contacts and form the driving mechanism that seals.
2. double spool stop valve according to claim 1, it is characterized in that, described driving mechanism is the connecting rod (5a) being located at the attachment hole (6a) on the handwheel (6) and being connected with auxiliary valve core (5), and described connecting rod (5a) is connected by screw thread with above-mentioned attachment hole (6a).
3. double spool stop valve according to claim 1, it is characterized in that, described driving mechanism is the connecting rod (5a) that is connected with handwheel (6) and the attachment hole (6a) on the auxiliary valve core (5), and described connecting rod (5a) is connected by screw thread with above-mentioned attachment hole (6a).
4. according to claim 1 or 2 or 3 described double spool stop valves, it is characterized in that, described handwheel (6) outside has recessed ringwise locating slot (6b), has the card that is complementary with locating slot (6b) on the described valve body (1) along (1c), and card is positioned at locating slot (6b) along (1c) and locates.
5. according to claim 1 or 2 or 3 described double spool stop valves, it is characterized in that, be provided with rubber seal (7) between described auxiliary valve core (5) and the secondary sealing area (1b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020300965XU CN201599422U (en) | 2010-01-19 | 2010-01-19 | Double-spool stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020300965XU CN201599422U (en) | 2010-01-19 | 2010-01-19 | Double-spool stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599422U true CN201599422U (en) | 2010-10-06 |
Family
ID=42810477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020300965XU Expired - Fee Related CN201599422U (en) | 2010-01-19 | 2010-01-19 | Double-spool stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156749A (en) * | 2015-09-10 | 2015-12-16 | 成都聚智工业设计有限公司 | Novel on-off stop valve |
| CN107975602A (en) * | 2016-10-21 | 2018-05-01 | 杭州三花研究院有限公司 | A kind of volume control device |
| CN115492946A (en) * | 2022-09-14 | 2022-12-20 | 台州市广易不锈钢阀门有限公司 | Zero leakage stop valve based on multiple sealing |
-
2010
- 2010-01-19 CN CN201020300965XU patent/CN201599422U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156749A (en) * | 2015-09-10 | 2015-12-16 | 成都聚智工业设计有限公司 | Novel on-off stop valve |
| CN105156749B (en) * | 2015-09-10 | 2017-07-18 | 上海美科阀门有限公司 | Novel switched stop valve |
| CN107975602A (en) * | 2016-10-21 | 2018-05-01 | 杭州三花研究院有限公司 | A kind of volume control device |
| CN107975602B (en) * | 2016-10-21 | 2021-10-15 | 杭州三花研究院有限公司 | Flow control device |
| CN115492946A (en) * | 2022-09-14 | 2022-12-20 | 台州市广易不锈钢阀门有限公司 | Zero leakage stop valve based on multiple sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: WOERDA COPPER INDUSTRY CO., LTD.;ZHEJIANG PROVINCE |
|
| CP03 | Change of name, title or address |
Address after: 317608 Zhejiang province Yuhuan County Lu Pu Industrial Park Zhejiang world HVAC technology Co Ltd Patentee after: Zhejiang world HVAC technology Co Ltd Address before: 317608 Industrial Zone, Yuhuan County, Zhejiang Province Patentee before: Zhejiang Woerda Copper Industry Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HUANG XIAOPING Free format text: FORMER OWNER: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD. Effective date: 20140822 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223800 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140822 Address after: Suqian City, Jiangsu Province, East 223800 south area economic development zone, Sucheng District Xu Tan Road Jiangsu Beijing Hangzhou New Energy Co. Ltd. Patentee after: Huang Xiaoping Address before: 317608 Zhejiang province Yuhuan County Lu Pu Industrial Park Zhejiang world HVAC technology Co Ltd Patentee before: Zhejiang world HVAC technology Co Ltd |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160318 Address after: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu town Xuanmen industrial city Zhejiang world HVAC technology Co Ltd Patentee after: Zhuo Danchun Address before: Suqian City, Jiangsu Province, East 223800 south area economic development zone, Sucheng District Xu Tan Road Jiangsu Beijing Hangzhou New Energy Co. Ltd. Patentee before: Huang Xiaoping |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |