CN201925496U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN201925496U CN201925496U CN2011200158676U CN201120015867U CN201925496U CN 201925496 U CN201925496 U CN 201925496U CN 2011200158676 U CN2011200158676 U CN 2011200158676U CN 201120015867 U CN201120015867 U CN 201120015867U CN 201925496 U CN201925496 U CN 201925496U
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- valve body
- valve rod
- stop
- 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
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a stop valve, belonging to the technical field of valves, which solves the problem that the existing stop valve has poor sealability and short service life. The stop valve comprises a valve body and a valve cover arranged on the valve body, wherein the valve body is internally provided with a sealing port, the sealing port divides an inner cavity of the valve body into an inflow cavity and an outflow cavity, a valve rod passes through the valve cover, the outer end of the valve rod is fixedly connected with an opening piece, a vale core is arranged at the inner end of the valve rod, is connected with the valve rod through a thread and is peripherally fixed in the valve body, a main body of the valve core is positioned in the outflow cavity, the valve core is provided with a sealing surface matched with the sealing port, a guide piece which can guide the valve core is arranged between the valve core and the valve body and is positioned under the valve cover, and a sealing piece is arranged between the valve rod and the valve cover. The stop valve has the advantages that the sealability is good, the service life is long, and the like.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of stop valve.
Background technique
Valve is the important component part in the pipe-line system, and it is of a great variety, mainly can be divided into stop valve, safety check, modulating valve, reduction valve etc. by function.Existing stop valve comprises valve body and telescopic valve rod, and the front end of valve rod is provided with closure member, and valve port is complementary in closure member and the valve body.Stop valve plays cutout, can make closure member block valve port when the valve rod of stop valve protracts, thus throttle down.
For example, Chinese patent discloses a kind of elevating lever-type stop valve [the application notification number is: CN101793327A], comprise a valve seat and a flap, flap is arranged on the lower end of valve shaft, valve shaft is equipped with by driving a screw thread and a cap nut, this cap nut is limited on the valve gap, and this cap nut is driven by the handwheel driving handle, and the rotation of cap nut moves up and down valve shaft by the driving screw thread and realizes the open and close of valve seat fluid passage.This rise-fall type stop valve is reasonable in design, and spare part is few, and is easy to assembly and precision is high, and it can be fit to various different fluid media, and adjusting function is good, and opening and closing power is less, can be convenient to maintenance and safeguards.
Valve shaft is set directly on the valve seat, deflection may occur in the valve shaft moving process.As can be seen, can not carry out opening and closing completely to stop valve after the valve shaft deflection, influence its stability in use.And this rise-fall type stop valve is in the process of opening and closing flap, and flap bears the higher pressure of fluid, and the friction between valve shaft and the valve seat is big, occurs easily leaking even scrapping phenomenon, directly has influence on the working life of this rise-fall type stop valve.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of stop valve of a kind of good airproof performance, long service life.
The purpose of this utility model can realize by following technical proposal:
A kind of stop valve, comprise valve body, be loaded on the valve gap on the valve body, a sealed mouth is arranged in the valve body, this sealed mouth is divided into body cavity the influent stream chamber and goes out to flow two parts in chamber, one valve rod passes described valve gap, the outer end of the valve rod opening tool that is being connected, the inner of valve rod is provided with spool, spool is connected with valve rod by screw thread, and spool circumferentially is fixed in the valve body, the main body of spool is positioned at the stream chamber, and the sealing surface that matches with sealed mouth is arranged on the spool, moves up and down the opening and closing that make sealing surface control sealed mouth thereby can drive spool when rotating opening tool, it is characterized in that, also be provided with the guiding element that spool is play the guiding role between described spool and the valve body, described guiding element is positioned at the below of valve gap, and is provided with Sealing between described valve rod and the valve gap.
When the needs water flowing, rotate opening tool, make valve rod drive spool and move to direction away from sealed mouth, in the moving process sealing surface gradually away from sealed mouth, this moment influent stream chamber and go out to flow the chamber and be communicated with; When needs were closed, the counter-rotation opening tool made valve rod drive spool and moves to the sealed mouth direction, and in the moving process, sealing surface seals up sealed mouth gradually, and current are cut off.In whole process, the circumferential movement of opening tool is converted to the axial motion of spool, thereby realize the opening and closing of sealed mouth.Be provided with the guiding element that spool is play the guiding role between spool and valve body, like this in the process of rotation valve rod, sealing surface can be tight seals up sealed mouth, and phenomenons such as skew can not take place spool; Be provided with Sealing between valve rod and the valve gap, in use can not occur leaking.
In above-mentioned a kind of stop valve, have positioning step in the described valve body, described guiding element is tubular, and its sidepiece has the annular shoulder block that is resisted against on the positioning step, and the upper end of described guiding element is resisted against the bottom of above-mentioned valve gap.Be provided with like this and can better locate guiding element.
In above-mentioned a kind of stop valve, described guiding element is made by plastic materials.
In above-mentioned a kind of stop valve, described Sealing is the O RunddichtringO.
In above-mentioned a kind of stop valve, the lower end of described spool is provided with sealing gasket, and above-mentioned sealing surface is the bottom surface of described sealing gasket.The purpose of She Zhiing is like this, when the bottom surface of sealing gasket and sealed mouth sealing, can play better sealing, prevents to reveal.
In above-mentioned a kind of stop valve, described opening tool is the handle that is fixedly installed on the valve rod outer end, and the lower end of described handle has the safety cover that can cover valve gap, and described handle is arranged on the valve rod by screw.Handle and safety cover are set together, and easy to process, installation difficulty reduces.
As another kind of situation, in above-mentioned a kind of stop valve, described opening tool is the handwheel that is fixedly installed on the valve rod outer end, and the below of described handwheel is provided with the trim that can cover valve gap, and described trim is fixed on the above-mentioned valve gap by locking cap.
Handwheel is set conveniently to rotate valve rod; Trim can play certain decorating action to valve body, makes valve gap valve rod etc. all be positioned at trim, and trim can prevent that also dust etc. from entering into valve inner, makes the longer service life of this stop valve.
Compared with prior art, this stop valve has the following advantages:
1, is provided with trim or safety cover in the joint of valve gap and valve body, can prevents effectively that dust etc. from entering into valve inner, makes its longer service life; And trim or safety cover can also play the effect of decoration, and be aesthetic in appearance.
2, be provided with the guiding element that spool is play the guiding role between spool and valve body, like this in the process of rotation valve rod, sealing gasket can be tight seals up sealed mouth, and phenomenons such as skew can not take place spool; Be provided with the O RunddichtringO between valve rod and the valve gap, in use can not occur leaking.
Description of drawings
Fig. 1 is the sectional view of stop valve among the embodiment one.
Fig. 2 is the structural representation of the valve body that provides of the utility model.
Fig. 3 is the sectional view of the valve body that provides of the utility model.
Fig. 4 is the sectional view of the spool that provides of the utility model, valve rod, valve gap.
Fig. 5 is the structural representation of the handle that provides of the utility model.
Fig. 6 is the structural representation of handwheel among the embodiment two.
Fig. 7 is the sectional view of embodiment's two trims.
Fig. 8 is the structural representation of embodiment's two trims.
Among the figure, 1, valve body; 11, sealed mouth; 12, influent stream chamber; 13, go out to flow the chamber; 14, positioning step; 2, valve gap; 3, valve rod; 4, spool; 5, guiding element; 51, annular shoulder block; 6, Sealing; 7, sealing gasket; 71, sealing surface; 8, handle; 81, safety cover; 9, screw; 100, handwheel; 101, trim; 102, locking cap; 103, handwheel trim.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
Stop valve as shown in Figure 1, comprise valve body 1, valve gap 2, valve rod 3 and spool 4, the structure of valve body 1 as shown in Figures 2 and 3, valve gap 2 is loaded on the valve body 1, valve rod 3 passes valve gap 2, the outer end of valve rod 3 is fixed with an opening tool, moves up and down the opening and closing that make sealing surface 71 control sealed mouths 11 thereby can drive spool 4 when rotating opening tool.The inner of valve rod 3 is provided with spool 4, and spool 4 is connected with valve rod 3 by screw thread.A sealed mouth 11 is arranged in the valve body 1, and sealing mouth 11 divides valve body 1 inner chamber for influent stream chamber 12 and goes out to flow 13 two parts in chamber.Spool 4 main bodys are positioned at stream chamber 13, and spool 4 is axially fixed in the valve body 1, as shown in Figure 1 and Figure 4, are provided with sealing gasket 7 on spool 4, and the bottom of sealing gasket 7 has sealing surface 71, and the sealing surface 71 here can cooperate with sealed mouth 11.
Shown in Fig. 1 and 4 figure, be provided with the guiding element 5 that spool 4 is play the guiding role between spool 4 and the valve body 1, guiding element 5 is positioned at the below of valve gap 2, to the location of guiding element 5, has been provided with positioning step 14 in valve body 1 for convenience.Guiding element 5 is tubular, and its sidepiece has the annular shoulder block 51 that is resisted against on the positioning step 14, and the upper end of guiding element 5 is resisted against the bottom of valve gap 2.The guiding element 5 is here made by plastic materials.
As shown in Figure 1 and Figure 4, be provided with Sealing 6 between valve rod 3 and valve gap 2, the Sealing 6 in the present embodiment is the O RunddichtringO.
Opening tool in the present embodiment is the handle 8 that is fixedly installed on valve rod 3 outer ends; as Fig. 1 and shown in Figure 5; the lower end of handle 8 has the safety cover 81 that can cover valve gap 2, and safety cover 81 and handle 8 are integral structure, and handle 8 is fixedly installed on the valve rod 3 by screw 9.Handle 8 and safety cover 81 are set together, and easy to process, installation difficulty reduces; And, can prevent effectively that dust etc. from entering into valve body 1 inside, makes its longer service life; Moreover safety cover 81 can also play the effect of decoration, and is aesthetic in appearance.
When the needs water flowing, handle with sleeve 8 makes valve rod 3 drive spools 4 and moves to the direction away from sealed mouth 11, in the moving process sealing gasket 7 gradually away from sealed mouth 11, this moment influent stream chamber 12 and go out to flow chamber 13 and be communicated with; When needs were closed, counter-rotation handle 8 made valve rod 3 drive spool 4 and moves to sealed mouth 11 directions, and in the moving process, sealing gasket 7 seals up sealed mouth 11 gradually, and current are cut off.In whole process, the circumferential movement of opening tool is converted to the axial motion of spool 4, thereby realize the opening and closing of sealed mouth 11.
Embodiment two
The structural principle of present embodiment is basic identical with embodiment one structural principle, different places are, as shown in Figure 6, opening tool is the handwheel 100 that is fixedly installed on valve rod 3 outer ends, the below of handwheel 100 is provided with the trim 101 that can cover valve gap 2, and as shown in Figure 7 and Figure 8, trim 101 is fixed on the valve gap 2 by locking cap 102, as shown in Figure 6, on handwheel 100, also be provided with handwheel trim 103.
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, sealed mouth 11, influent stream chamber 12, gone out to flow terms such as chamber 13, positioning step 14, valve gap 2, valve rod 3, spool 4, guiding element 5, annular shoulder block 51, Sealing 6, sealing gasket 7, sealing surface 71, handle 8, safety cover 81, screw 9, handwheel 100, trim 101, locking cap 102, handwheel trim 103 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 (7)
1. stop valve, comprise valve body (1), be loaded on the valve gap (2) on the valve body (1), a sealed mouth (11) is arranged in the valve body (1), this sealed mouth (11) is divided into influent stream chamber (12) with valve body (1) inner chamber and goes out to flow (13) two parts in chamber, one valve rod (3) passes described valve gap (2), the outer end of valve rod (3) opening tool that is being connected, the inner of valve rod (3) is provided with spool (4), spool (4) is connected with valve rod (3) by screw thread, and spool (4) circumferentially is fixed in the valve body (1), the main body of spool (4) is positioned at stream chamber (13), and the sealing surface (71) that matches with sealed mouth (11) is arranged on the spool (4), can drive spool (4) thereby move up and down when rotating opening tool makes sealing surface (71) control the opening and closing of sealed mouth (11), it is characterized in that, also be provided with the guiding element (5) that spool (4) is play the guiding role between described spool (4) and the valve body (1), described guiding element (5) is positioned at the below of valve gap (2), and is provided with Sealing (6) between described valve rod (3) and the valve gap (2).
2. a kind of stop valve according to claim 1, it is characterized in that, has positioning step (14) in the described valve body (1), described guiding element (5) is tubular, its sidepiece has the annular shoulder block (51) that is resisted against on the positioning step (14), and the upper end of described guiding element (5) is resisted against the bottom of above-mentioned valve gap (2).
3. a kind of stop valve according to claim 2 is characterized in that, described guiding element (5) is made by plastic materials.
4. according to claim 1 or 2 or 3 described a kind of stop valves, it is characterized in that described Sealing (6) is the O RunddichtringO.
5. a kind of stop valve according to claim 4 is characterized in that, the lower end of described spool (4) is provided with sealing gasket (7), and above-mentioned sealing surface (71) is the bottom surface of described sealing gasket (7).
6. a kind of stop valve according to claim 5; it is characterized in that; described opening tool is for being fixedly installed on the handle (8) of valve rod (3) outer end; the lower end of described handle (8) has the safety cover (81) that can cover valve gap (2), and described handle (8) is fixedly installed on the valve rod (3) by screw (9).
7. a kind of stop valve according to claim 5, it is characterized in that, described opening tool is for being fixedly installed on the handwheel (100) of valve rod (3) outer end, the below of described handwheel (100) is provided with the trim (101) that can cover valve gap (2), and described trim (101) is fixed on the above-mentioned valve gap (2) by locking cap (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200158676U CN201925496U (en) | 2011-01-19 | 2011-01-19 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200158676U CN201925496U (en) | 2011-01-19 | 2011-01-19 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925496U true CN201925496U (en) | 2011-08-10 |
Family
ID=44429344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200158676U Expired - Fee Related CN201925496U (en) | 2011-01-19 | 2011-01-19 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925496U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291941A (en) * | 2012-02-24 | 2013-09-11 | 宋新建 | Valve lip |
| CN107314120A (en) * | 2016-11-10 | 2017-11-03 | 林之铠 | A kind of improved chemical industry gate valve |
| CN110375084A (en) * | 2019-08-09 | 2019-10-25 | 崇州市岷江塑胶有限公司 | A kind of PE wildcard-filter style shut-off valve |
-
2011
- 2011-01-19 CN CN2011200158676U patent/CN201925496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291941A (en) * | 2012-02-24 | 2013-09-11 | 宋新建 | Valve lip |
| CN107314120A (en) * | 2016-11-10 | 2017-11-03 | 林之铠 | A kind of improved chemical industry gate valve |
| CN110375084A (en) * | 2019-08-09 | 2019-10-25 | 崇州市岷江塑胶有限公司 | A kind of PE wildcard-filter style shut-off valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103174840B (en) | Static equilibrium valve | |
| CN201925496U (en) | Stop valve | |
| CN203272899U (en) | Ball check valve | |
| CN202451895U (en) | Stop check valve | |
| CN215567977U (en) | Hydropower station gate water filling valve | |
| CN102644760B (en) | Sealing structure of ultrahigh-pressure needle valve | |
| CN102817877A (en) | Water switch control valve | |
| CN204437296U (en) | Embedded forging Y type is without bonnet stop valve | |
| CN209294453U (en) | A kind of noise reduction ball valve of stable structure | |
| CN201891854U (en) | Butterfly valve | |
| CN207333759U (en) | A kind of durable type Pneumatic single-seat regulating valve with strong leakproofness | |
| CN202252129U (en) | Manual valve for controlling two water paths for water purifier | |
| CN204114251U (en) | A kind of Multifunctional combined valve | |
| CN204140970U (en) | Cast iron screw down nonreturn valve | |
| CN211423396U (en) | Straight falling type elastic sealing stop valve | |
| CN202901402U (en) | Ball check valve | |
| CN204201128U (en) | A kind of valve seat construction of synthetic gas butterfly valve | |
| CN202852086U (en) | Double-valve-clack muffle check valve | |
| CN203214897U (en) | High-pressure self-sealing check valve with low flow resistance | |
| CN112377623A (en) | Regulating valve | |
| CN201747940U (en) | Plunger piston valve | |
| CN205918931U (en) | Ball valve | |
| CN203516791U (en) | Grinding wheel type multistage regulating valve | |
| CN103629364A (en) | Leakage-proof stop valve | |
| CN208474589U (en) | A kind of shut-off valve |
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: ZHEJIANG DOUBLE-LIN VALVES CO., LTD. Free format text: FORMER OWNER: TAIZHOU DOUBLE-LIN VALVES MANUFACTURING CO., LTD. Effective date: 20140604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317606 TAIZHOU, ZHEJIANG PROVINCE TO: 317610 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140604 Address after: 317610, Zhejiang, Taizhou province Yuhuan County dry river hardware industry function area (Salt Pan Village) Patentee after: Zhejiang Double-Lin Valves Co., Ltd. Address before: 317606, Zhejiang Province, Yuhuan County province Taizhou town salt plate hardware industrial zone Patentee before: Taizhou Double-Lin Valves Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20180119 |