CN202493678U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN202493678U CN202493678U CN 201220005698 CN201220005698U CN202493678U CN 202493678 U CN202493678 U CN 202493678U CN 201220005698 CN201220005698 CN 201220005698 CN 201220005698 U CN201220005698 U CN 201220005698U CN 202493678 U CN202493678 U CN 202493678U
- Authority
- CN
- China
- Prior art keywords
- ring
- valve
- spool
- valve body
- stop valve
- 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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- Sliding Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a stop valve, comprising a valve body and a valve core. The valve body is provided with a smooth hole therein for the valve core to pass through. The valve core has a smooth annular surface that is matched with the wall of the smooth hole. A valve stem is connected on the valve core and is extended beyond a valve seat. The valve seat is arranged between the valve body and the valve stem to adjust the position of the valve core with respect to the valve body. The stop valve of the utility model has a simple structure. The outer opening part of the smooth hole in the valve body for guiding and limiting the valve core is provided with threads. In this way, the machining is convenient, the production cost is reduced, and the working requirement of a right-angle stop valve can be satisfied.
Description
Technical field
The utility model relates to a kind of stop valve.
Background technique
The right-angle type stop valve is as a critical elements of air-conditioning system, is widely used on the compressor, liquid-storage container of air-conditioning, freezing, refrigerating equipment, or on pipeline connects, through operating valve lever, can closes or open the internal path of valve.In the past at the valve interior wall of right-angle type stop valve near valve port place machining internal thread; As China national Department of Intellectual Property July in 2010 notice of authorization on the 21st the patent No. be disclosed a kind of novel cutoff valve in 200920237373 the utility model patent; Screw-internal thread fit near the valve port place is set on the sealed end of spool in outside thread and the valve body to realize installing and is connected; Such valve body processing difficulties, cost of production is high.
Summary of the invention
The utility model problem to be solved just provides a kind of stop valve, and simple in structure, easy to process, cost of production is low.
In order to solve the problems of the technologies described above; The utility model adopts following technological scheme: a kind of stop valve; Comprise valve body and spool, it is characterized in that: be provided with the smooth hole that installs spool in the said valve body, said spool is provided with the smooth anchor ring that cooperates with the hole wall of smooth hole; Be connected with the valve rod that stretches out valve seat on the said spool, be provided with the valve seat of the relative valve body of adjustment spool position between said valve body and the valve rod.
Further, be provided with the interior threaded hole that installs valve rod in the said valve seat, valve rod is provided with the valve rod outside thread that interior threaded hole cooperates, and the outer end oral area of said smooth hole is provided with internal thread segment, and valve seat is provided with the valve seat outside thread that cooperates with internal thread segment.
Further, said smooth anchor ring is provided with at least one annular groove, is provided with preceding seal ring in the annular groove.Guarantee sealing.
Further, said valve seat exterior edge face is provided with the ring platform, and the ring side of ring platform is provided with the plane that at least one pair of is parallel to each other.Be convenient to turn the degree of tightness of the relative valve body of valve seat adjustment valve seat with spanner.
Further, the said valve rod end that stretches out valve seat is provided with locking nut.Be convenient to behind the position of the relative valve body of regulating spool, lock valve rod, locking state is firm.
Further, the said valve rod end that connects spool is provided with the step surface of the stroke that the restriction spool outwards moves relative to valve body.
Further, said valve rod is provided with back-up ring, between valve rod-spool joint and back-up ring, is provided with the back seal ring, and spool limits through back-up ring relative to the stroke that valve body outwards moves.The enhanced leaktightness effect.
Further, said back-up ring is against on the step surface.
Further, said back-up ring is against on the seal ring of back, the length of back-up ring greater than on the seal ring of back and the end face that offsets of back-up ring to the distance between the step surface.Back-up ring to spool relative to the stroke that valve body outwards moves carry out spacing in seal ring after the assist location.
Further; Said back-up ring comprises thick back-up ring and thin back-up ring; Thick back-up ring is against on the seal ring of back; Thin back-up ring is against on the thick back-up ring, the length sum of thick back-up ring and thin back-up ring greater than on the seal ring of back and the end face that offsets of thick back-up ring to the distance between the step surface, spool limits through approaching back-up ring relative to the stroke that valve body outwards moves.Save material, reduce cost.
After adopting technique scheme, the utlity model has following advantage: simple in structure, in valve body, be used to lead, the outer end oral area of the smooth hole of spacing spool is provided with screw thread, and is easy to process, reduces production costs, and can satisfy the job requirement of right-angle type stop valve.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a kind of embodiment's of the utility model a structural representation;
Fig. 2 is the structural representation that increases back-up ring on the valve rod;
Fig. 3 is second kind of structural representation of back-up ring;
Fig. 4 is the third structural representation of back-up ring;
Fig. 5 is the structural representation of valve seat exterior edge face.
Embodiment
A kind of embodiment's of the utility model as shown in Figure 1 structural representation; A kind of stop valve; Comprise valve body 1 and spool 2, be provided with the smooth hole 11 that installs spool in the said valve body, said spool is provided with the smooth anchor ring 21 that cooperates with the hole wall of smooth hole; Be connected with the valve rod 3 that stretches out valve seat on the said spool, be provided with the valve seat 4 of the relative valve body of adjustment spool position between said valve body and the valve rod.In the present embodiment, spool can be processed with metals such as stainless steel, copper, is sealed and matched with smooth hole in the valve body; The switch control and the control of aperture size of stop valve are realized in spool move left and right position.Be provided with the interior threaded hole 41 that installs valve rod in the said valve seat, valve rod is provided with the valve rod outside thread 31 that interior threaded hole cooperates, and the outer end of said smooth hole is provided with internal thread segment 12, and valve seat is provided with the valve seat outside thread 42 that cooperates with internal thread segment.Said smooth anchor ring is provided with at least one annular groove 22, and seal ring 5 before being provided with in the annular groove only is provided with an annular groove in the present embodiment, also can be provided with two, three or more.Said valve body is provided with the block 6 that covers valve rod, and said block is threaded with valve body.The cross section that said valve rod stretches out an end of valve seat is square.The end that said valve rod stretches out valve seat is provided with locking nut 7.The end that said valve rod connects spool is provided with the step surface 32 of the stroke that the restriction spool outwards moves relative to valve body.
As shown in Figure 2, said valve rod is provided with back-up ring 8, between valve rod-spool joint and back-up ring, is provided with seal ring, and spool limits through back-up ring relative to the stroke that valve body outwards moves, and at this, back-up ring has been against on the step surface.As shown in Figure 3, be different from structure shown in Figure 2, said back-up ring is against on the seal ring of back, the length of back-up ring greater than on the seal ring of back and the end face that offsets of back-up ring to the distance between the step surface.And structure shown in Figure 4; Be on Fig. 3 basis, to have done some variations; Back-up ring is divided into thick back-up ring 81 and thin back-up ring 82, and thick back-up ring is against on the seal ring of back, and thin back-up ring is against on the thick back-up ring; The length sum of thick back-up ring and thin back-up ring greater than on the seal ring of back and the end face that offsets of thick back-up ring to the distance between the step surface, spool limits through approaching back-up ring relative to the stroke that valve body outwards moves.
In addition, as shown in Figure 5, in the present embodiment, said valve seat exterior edge face is provided with ring platform 43, and the ring side of ring platform is provided with at least one pair of plane that is parallel to each other 44, is convenient to turn with spanner the degree of tightness of the relative valve body of valve seat adjustment valve seat.
In the above-described embodiments, the structure that valve rod and spool are formed in one, in fact in the utility model, valve rod and spool can separately be made, and follow-uply assemble connection.
Except that above-mentioned preferred embodiment; The utility model also has other mode of execution; Those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from the spirit of the utility model, all should belong to the defined scope of the utility model accompanying claims.
Claims (10)
1. stop valve; Comprise valve body (1) and spool (2); It is characterized in that: be provided with the smooth hole (11) that installs spool in the said valve body; Said spool is provided with the smooth anchor ring (21) that cooperates with the hole wall of smooth hole, is connected with the valve rod (3) that stretches out valve seat on the said spool, is provided with the valve seat (4) of the relative valve body of adjustment spool position between said valve body and the valve rod.
2. a kind of stop valve according to claim 1; It is characterized in that: be provided with the interior threaded hole (41) that installs valve rod in the said valve seat; Valve rod is provided with the valve rod outside thread (31) that interior threaded hole cooperates; The outer end of said smooth hole is provided with internal thread segment (12), and valve seat is provided with the valve seat outside thread (42) that cooperates with internal thread segment.
3. a kind of stop valve according to claim 1 and 2 is characterized in that: said smooth anchor ring is provided with at least one annular groove (22), is provided with preceding seal ring (5) in the annular groove.
4. a kind of stop valve according to claim 1 and 2 is characterized in that: said valve seat exterior edge face is provided with ring platform (43), and the ring side of ring platform is provided with at least one pair of plane that is parallel to each other (44).
5. a kind of stop valve according to claim 1 and 2 is characterized in that: the end that said valve rod stretches out valve seat is provided with locking nut (7).
6. a kind of stop valve according to claim 1 and 2 is characterized in that: the end that said valve rod connects spool is provided with the step surface (32) of the stroke that the restriction spool outwards moves relative to valve body.
7. a kind of stop valve according to claim 6 is characterized in that: said valve rod is provided with back-up ring (8), between valve rod-spool joint and back-up ring, is provided with back seal ring (5 '), and spool limits through back-up ring relative to the stroke that valve body outwards moves.
8. a kind of stop valve according to claim 7 is characterized in that: said back-up ring is against on the step surface.
9. a kind of stop valve according to claim 7 is characterized in that: said back-up ring is against on the seal ring of back, the length of back-up ring greater than on the seal ring of back and the end face that offsets of back-up ring to the distance between the step surface.
10. a kind of stop valve according to claim 9; It is characterized in that: said back-up ring comprises thick back-up ring (81) and thin back-up ring (82); Thick back-up ring is against on the seal ring of back; Thin back-up ring is against on the thick back-up ring, the length sum of thick back-up ring and thin back-up ring greater than on the seal ring of back and the end face that offsets of thick back-up ring to the distance between the step surface, spool limits through approaching back-up ring relative to the stroke that valve body outwards moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220005698 CN202493678U (en) | 2012-01-06 | 2012-01-06 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220005698 CN202493678U (en) | 2012-01-06 | 2012-01-06 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493678U true CN202493678U (en) | 2012-10-17 |
Family
ID=46999910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220005698 Expired - Fee Related CN202493678U (en) | 2012-01-06 | 2012-01-06 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493678U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206554A (en) * | 2013-05-05 | 2013-07-17 | 赵德鸿 | Stop valve for air conditioner |
| CN106678470A (en) * | 2016-07-19 | 2017-05-17 | 广西正匠农业科技有限公司 | Quick connector valve for engineering vehicle air conditioner and installing method thereof |
| CN107654702A (en) * | 2017-10-19 | 2018-02-02 | 上海诺科泵业有限公司 | A kind of check valve |
| CN110792787A (en) * | 2018-08-02 | 2020-02-14 | 浙江盾安禾田金属有限公司 | Stop valve |
-
2012
- 2012-01-06 CN CN 201220005698 patent/CN202493678U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206554A (en) * | 2013-05-05 | 2013-07-17 | 赵德鸿 | Stop valve for air conditioner |
| CN106678470A (en) * | 2016-07-19 | 2017-05-17 | 广西正匠农业科技有限公司 | Quick connector valve for engineering vehicle air conditioner and installing method thereof |
| CN107654702A (en) * | 2017-10-19 | 2018-02-02 | 上海诺科泵业有限公司 | A kind of check valve |
| CN107654702B (en) * | 2017-10-19 | 2024-05-17 | 上海诺科泵业有限公司 | One-way valve |
| CN110792787A (en) * | 2018-08-02 | 2020-02-14 | 浙江盾安禾田金属有限公司 | Stop valve |
| CN110792787B (en) * | 2018-08-02 | 2022-06-17 | 浙江盾安禾田金属有限公司 | Stop 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: 20121017 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |