CN202091578U - Fixed structure of non return valve core - Google Patents
Fixed structure of non return valve core Download PDFInfo
- Publication number
- CN202091578U CN202091578U CN2010206428778U CN201020642877U CN202091578U CN 202091578 U CN202091578 U CN 202091578U CN 2010206428778 U CN2010206428778 U CN 2010206428778U CN 201020642877 U CN201020642877 U CN 201020642877U CN 202091578 U CN202091578 U CN 202091578U
- Authority
- CN
- China
- Prior art keywords
- spring
- valve body
- fixed structure
- way valve
- spool
- 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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Abstract
The utility model relates to a fixed structure of a non return valve core, including a valve body, a valve core arranged in the valve body, a spring arranged under the valve core for supporting against the valve core and a spring seat arranged under the spring for positioning the spring. A plurality of connection poles are convexly provided in the valve body for fixedly connecting the spring seat with the lower end of the valve body through a connection piece. The fixed structure of a non return valve core can effectively fix the valve core; the disadvantages can be avoided of sealing leakage, etc. caused in that the prior non return valve core is contacted with a sealing ring inclinely or with malposition; and the fixed structure is detachably connected with the valve, which is convenient for maintenance.
Description
Technical field
The utility model relates to a kind of one-way valve that is used for massaging pool or bathing pool, is specifically related to a kind of fixed structure of one-way valve spool.
Background technique
One-way valve is the common components in the conduit pipeline in jacuzzi or pond, is installed on usually on the pipeline between the annular air channel in control box and jacuzzi or pond, is used to control the flow direction of massage with gas, prevents that the water in the body of pond from refluxing.Existing one-way valve, as shown in Figure 1, comprise valve body 10, be arranged on ends in the valve body 10 be the spherical column cap 21 and the other end be mast 22 spool 20, be set in the spring 30 on the mast 22 and be arranged on spring fixed seat 40 in the valve body 10.Spring fixed seat 40 is an integral structure with valve body 10, one hole 41 is arranged at the bottom of spring fixed seat 40, one end of described spring 30 is resisted against the lower end of spherical column cap 21, the other end pass and mounting board in the lower end in described hole 41, end away from column cap 21 of mast 22 passes described spring 30 and described hole 41, thereby when the one-way valve stuffiness, be resisted against on the seal ring 50, realize tight seal at the described spherical column cap 21 of promotion under the elastic force effect of spring 30.In above-mentioned one-way valve, valve body 1 is an integral structure with spring fixed seat 5, be unfavorable for the maintenance work in later stage, when for example service worker is changed the spool that damages, valve body and bend pipe need be taken apart, remove seal ring again, spool could be taken out, so not only maintenance procedures is loaded down with trivial details, the seal ring that also weares and teares easily, the working life of minimizing seal ring; This outer spring 3 is except playing the effect that opens and closes one-way valve, it also plays the support fixation effect to described spool, when to this one-way valve ventilation, when gas presses down spool 2, if gas is inhomogeneous to each site active force of the sphere of spherical column cap 22, described spool 2 will acutely be vacillated now to the left, now to the right, when spring 3 resets, the spherical column cap 22 that waves contacts with seal ring 4 easily and occurs tilting, misplaces, can cause so poorly sealed tight, spherical column cap 22 is fragile, finally causes one-way valve to damage, can't normally use.Therefore, need improve existing one-way valve.
The model utility content
The purpose of this utility model is to provide a kind of fixed structure of one-way valve spool, when fixedly not causing work with the spool that overcomes existing one-way valve spool misplace easily, defective such as poorly sealed tight, one-way valve damage.
The fixed structure of one-way valve spool of the present utility model, comprise valve body, be arranged on spring and the spring below that spool in the valve body and spool below be used for the contact spool and be used for spring is carried out spacing spring seat, the inside of described valve body inwardly convexes with a plurality of attachment posts, is used for being connected and fixed by the lower end of a connection piece with spring seat and valve body.
Further, the quantity of described attachment post is 2-4.
Further, the set-up mode of described attachment post in valve body is for being symmetrical arranged or evenly being provided with.
Further, the inside of described attachment post is hollow and is provided with screw thread that described link is a retaining screw, by the mode that is threaded spring seat and valve body is connected and fixed.
Further, the center of described spring seat is the hollow position-limiting tube of a upper and lower opening, the periphery of described position-limiting tube is provided with a plurality of support plates, described a plurality of support plate is connected on the support radially jointly, have a plurality of second grooves on the periphery wall of described support, have one in described second groove and be used for the joint that spring seat and valve body removably connect.
Preferably, a side of the contact spring of described support plate has first groove that is used for limit spring.
Preferably, the quantity of described second groove is identical with the quantity of described attachment post.
Further, having one on the described joint is used for that link passes and spring seat is connected to circular hole on the valve body.
Compared with prior art, the beneficial effect that the utlity model has is: the fixed structure of one-way valve spool of the present utility model and valve body are to removably connect, can be for convenience detach and install, be convenient to maintenance and maintenance that one-way valve uses the later stage; And can be when one-way valve be ventilated and when one-way valve is not worked, effectively spool is fixed, spool can not vacillated now to the left, now to the right, valve head is accurately resetted with seal ring contact, thus the defective that having avoided existing one-way valve contact with seal ring because spool waves when spring reset occurs tilting, dislocation finally causes poorly sealed tight, one-way valve damage.
Description of drawings
Fig. 1 is the structural representation of existing one-way valve.
Fig. 2 is the axial section schematic representation of Fig. 1.
Fig. 3 is the structural representation of the fixed structure of one-way valve spool of the present utility model.
Fig. 4 is the axial section schematic representation of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, the fixed structure of one-way valve spool of the present utility model is described in further detail.Should be understood that following examples only are used to the utility model is described but not are used to limit scope of the present utility model.
Fig. 3,4 is depicted as the fixed structure of one-way valve spool of the present utility model, comprise valve body 10, be arranged on spring 30 and spring 30 belows that spool 20 in the valve body 10 and spool 20 belows are used for contact spool 20 and be used for spring 30 is carried out spacing spring seat 40, the inside of described valve body 10 inwardly convexes with a plurality of attachment posts 11, is used for by a connection piece 50 lower end of spring seat 40 with valve body 10 being connected and fixed.Preferably, the quantity of described attachment post 11 is 2-4, symmetry or evenly setting.Preferably, the inside of described attachment post 11 is hollow and is provided with screw thread that described link 50 is a retaining screw, by the mode that is threaded spring seat 40 and valve body 10 is connected and fixed.
Described spool 20 comprises the set valve head 22 of valve rod 21 and valve rod 21 tops.The center of described spring seat 40 is the hollow position-limiting tube 41 of a upper and lower opening, is used for valve rod 21 and passes also and can freely slide at described position-limiting tube 41, plays auxiliary spacing described valve rod 21, prevents its wiggly effect when work.The periphery of described position-limiting tube 41 is provided with a plurality of support plates 42.Described a plurality of support plate 42 is connected to a support 43 radially jointly, has a plurality of second grooves 44 on the periphery wall of described support 43, and preferred, the quantity of described second groove 44 is identical with the quantity of described attachment post 11.Have a junction 45 in described second groove 44, preferred, described joint 45 in the form of sheets, the center of described joint 45 has a circular hole 46, passes the attachment post 11 that it is connected to spring seat 40 valve body 10 thereby described hole 46 is used for described link 50.The design of described second groove 44 can make the described joint 45 and the area of contact of support 43 increase, and can make described spring seat 40 firm with being connected of valve body 10.One side of the contact spring 30 of described support plate 42 has one first groove 47, help spring 30 spacing, the location and against.
When one-way valve was ventilated, gas pressed down spool 20, because valve rod 21 is fixed in the position-limiting tube 41 and can slides freely, valve rod 21 moves down, pressure spring 30.After gas passes through, under the elastic force effect of spring 30, spring 30 resets, valve rod 21 can only slide along position-limiting tube 41 under the fixation of position-limiting tube 41, can be inviolent vacillate now to the left, now to the right, finally accurately contact with the top of valve body 10, overcome existing one-way valve when spring 30 resets, contact with seal ring because spool 20 waves occur tilting, defective that dislocation finally causes poorly sealed tight, one-way valve damage.The fixed structure of described one-way valve spool and valve body are to removably connect, can be for convenience detach and install, be convenient to maintenance and maintenance that one-way valve uses the later stage.
Those skilled in the art should understand mode of execution of the present utility model via the fixed structure that should be able to be applicable to any one-way valve spool after suitably modifying after reading embodiment of the present utility model, this all meets spirit of the present utility model.In addition, in the above-described embodiments, the thread connecting mode of described spring seat 40 and valve body 10 also can be designed to other mode that removably connects, and for example is designed to the mode that removably connects of buckle and draw-in groove, and this kind variation also belongs to category of the present utility model.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to covering scope of the present utility model.
Claims (8)
1. the fixed structure of one-way valve spool, comprise valve body, be arranged on spring and the spring below that spool in the valve body and spool below be used for the contact spool and be used for spring is carried out spacing spring seat, it is characterized in that, the inside of described valve body inwardly convexes with a plurality of attachment posts, is used for being connected and fixed by the lower end of link with spring seat and valve body.
2. the fixed structure of one-way valve spool according to claim 1 is characterized in that, the quantity of described attachment post is 2-4.
3. the fixed structure of one-way valve spool according to claim 1 is characterized in that, the set-up mode of described attachment post in valve body is for being symmetrical arranged or evenly being provided with.
4. the fixed structure of one-way valve spool according to claim 1 is characterized in that, the inside of described attachment post is hollow and is provided with screw thread that described link is a retaining screw, by the mode that is threaded spring seat and valve body is connected and fixed.
5. the fixed structure of one-way valve spool according to claim 1, it is characterized in that, the center of described spring seat is the hollow position-limiting tube of a upper and lower opening, the periphery of described position-limiting tube is provided with a plurality of support plates, described a plurality of support plate is connected on the support radially jointly, have a plurality of second grooves on the periphery wall of described support, have one in described second groove and be used for the joint that spring seat and valve body removably connect.
6. the fixed structure of one-way valve spool according to claim 5 is characterized in that, a side of the contact spring of described support plate has first groove that is used for limit spring.
7. the fixed structure of one-way valve spool according to claim 5 is characterized in that, the quantity of described second groove is identical with the quantity of described attachment post.
8. the fixed structure of one-way valve spool according to claim 5 is characterized in that, has one on the described joint and is used for that link passes and spring seat is connected to circular hole on the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206428778U CN202091578U (en) | 2010-12-06 | 2010-12-06 | Fixed structure of non return valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206428778U CN202091578U (en) | 2010-12-06 | 2010-12-06 | Fixed structure of non return valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091578U true CN202091578U (en) | 2011-12-28 |
Family
ID=45366646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206428778U Expired - Fee Related CN202091578U (en) | 2010-12-06 | 2010-12-06 | Fixed structure of non return valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091578U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705202A (en) * | 2012-07-04 | 2012-10-03 | 石家庄嘉祥精密机械有限公司 | Non-return intake valve of air compressor for track traffic |
| CN104019074A (en) * | 2014-06-28 | 2014-09-03 | 台州巨力工具有限公司 | Hydraulic one-way valve |
| CN108644393A (en) * | 2018-06-28 | 2018-10-12 | 苏州艾尔泰流体控制有限公司 | Fire hydrant |
| CN109837704A (en) * | 2017-11-24 | 2019-06-04 | 青岛海尔洗衣机有限公司 | A kind of tube head of Anti-drip and washing machine using the tube head |
| CN113700907A (en) * | 2021-09-03 | 2021-11-26 | 北京汽车集团越野车有限公司 | Vacuum pump check valve and vehicle |
-
2010
- 2010-12-06 CN CN2010206428778U patent/CN202091578U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705202A (en) * | 2012-07-04 | 2012-10-03 | 石家庄嘉祥精密机械有限公司 | Non-return intake valve of air compressor for track traffic |
| CN102705202B (en) * | 2012-07-04 | 2015-07-15 | 石家庄嘉祥精密机械有限公司 | Non-return intake valve of air compressor for track traffic |
| CN104019074A (en) * | 2014-06-28 | 2014-09-03 | 台州巨力工具有限公司 | Hydraulic one-way valve |
| CN109837704A (en) * | 2017-11-24 | 2019-06-04 | 青岛海尔洗衣机有限公司 | A kind of tube head of Anti-drip and washing machine using the tube head |
| CN108644393A (en) * | 2018-06-28 | 2018-10-12 | 苏州艾尔泰流体控制有限公司 | Fire hydrant |
| CN113700907A (en) * | 2021-09-03 | 2021-11-26 | 北京汽车集团越野车有限公司 | Vacuum pump check valve and vehicle |
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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: 20111228 Termination date: 20151206 |
|
| EXPY | Termination of patent right or utility model |