CN203857121U - Cam deflection valve - Google Patents
Cam deflection valve Download PDFInfo
- Publication number
- CN203857121U CN203857121U CN201320895258.3U CN201320895258U CN203857121U CN 203857121 U CN203857121 U CN 203857121U CN 201320895258 U CN201320895258 U CN 201320895258U CN 203857121 U CN203857121 U CN 203857121U
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- CN
- China
- Prior art keywords
- valve
- valve seat
- valve core
- groove
- 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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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a cam deflection valve, which comprises a valve core and a soft sealing valve seat and is characterized in that the valve core is an eccentric valve core, a groove is formed in the valve seat, and a plastic sealing material is fixedly arranged on the groove and is in interference fit with the valve core. The cam deflection valve has the beneficial effects that the opening and the closing are fast and convenient, the pressure is small, the valve core and a plastic sealing valve seat can be fast separated during the opening, the friction factor is small, and meanwhile, the shearing self cleaning capability is realized. The plastic sealing materials are used on the valve seat of the cam deflection valve, the eccentric valve core is adopted, in addition, the intensity of partial plastic materials can be compatible to metal, meanwhile, the interference fit is adopted, under the condition of ensuring the sealing effect, the physical feature of excellent plastic materials is realized, and the characteristics of self lubricating performance, high wear-resistant performance, high anti-corrosive performance, good dimension stability and the like are realized, so the service life of the cam deflection valve can be prolonged, and in addition, the manufacturing cost is low.
Description
Technical field
The utility model relates to a kind of caimflex valve of soft seal, relates to concretely a kind of for the little liquid of pressure reduction, gas or with the caimflex valve of the liquid normal temperature medium occasion of a small amount of particle.
Background technique
In the cut-off valve using in existing industry, usually select soft seal or hard seal ball valve, but ball valve in whole operation cycle process ball core face and valve seat for a long time in contact condition, after on-the-spot use for a long time, cause ball core face and valve seat heavy wear between the two, caused the interior phenomenon of leaking of ball valve more serious.Simultaneously in order to reach the cut-out usage requirement of processing medium, therefore will the ball core of wearing and tearing or valve seat be keeped in repair or be changed even whole ball valve is changed, this has directly increased the maintenance expenses of enterprise and the user cost expense of equipment virtually, ball valve has had a strong impact on the management and production of enterprise in the maintenance period simultaneously, has also directly reduced the economic benefit of enterprise.
Model utility content
In view of the problem of above existence, the utility model provides a kind of caimflex valve, not only has to make spool and valve seat is wear-resistant and the feature of good sealing effect and long service life.
The technical solution of the utility model is: a kind of caimflex valve, comprise spool, valve seat, it is characterized in that: described spool is eccentric spool, on valve seat, be provided with groove, on groove, be fixedly installed plastic seal material, described plastic seal material and spool interference fit.The advantage of this technological scheme be have keying rapidly light, pressure is little and when opening spool and plastic seal material separated, friction factor is little rapidly has a shearing self-cleaning ability simultaneously, the valve seat of soft seal simultaneously has the good physical property of plastic material, the features such as self lubricity and high-wear resistance, corrosion resistance is strong, dimensionally stable is good, can extend the working life of caimflex valve, great advantage is good sealing effect.
Further: described plastic seal material is: the plastics such as PEEK, nylon 6, PCTFE, PA.The plurality of advantages such as the object of this technological scheme is that material has that intensity is good extensively, simultaneously, self lubricity and high-wear resistance, corrosion resistance are strong; There is good stability of the dimension simultaneously, fairly simple in processing and manufacturability.
Further: the groove on described plastic seal material and valve seat is fixed on valve seat by roll extrusion crimping inside and outside after assembling and compressing again.The advantage of this technological scheme is simple in structure, for plastic production and technique drilling, makes comparisons simple.
Further: the groove on described valve seat is " recessed " type, and the shape that described plastic seal material is set to coordinate with " recessed " type is carried out interference fit, is then carrying out roll extrusion crimping.The advantage of this technological scheme is that the plastic seal material after compressing can not become flexible because of external force so that come off, and meets medium when mobile or under scouring state and is not washed out and can guarantee the normal operating condition of soft seal caimflex valve.
The beneficial effects of the utility model are: on the valve seat in this caimflex valve, use plastic seal material and use eccentric spool, and the intensity of partly plastic material can match in excellence or beauty and adopt interference fit simultaneously with metal, in the situation that guaranteeing sealing effect; There is the features such as self lubricity and high-wear resistance, corrosion resistance is strong, dimensionally stable is good, be particularly suitable for the little liquid of pressure reduction, gas, with the liquid medium of a small amount of particle; The feature of this kind of soft seal valve seat is that Finish & Workmanship are simple, scientific structure design, using effect are remarkable; Can be as hard seal ball valve spool and valve seat be all to need to process especially through overvulcanization in metal material, spool and valve seat technique, after use after a while, as easy as rolling off a log cause that both are easy to wear, working life is long and frequent maintenance with change; Do not need or not in the special cutter of enterprise procurement and process equipment, technique simultaneously special process and valve seat must pile-up welding hard alloy therefore low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 installs the structural representation of plastic seal material at valve seat in the utility model
Embodiment
As a kind of mode of execution of the present utility model, as shown in Figure 1 and Figure 2, a kind of caimflex valve, comprise spool 1, valve seat 2, described spool is eccentric spool, on valve seat 2, be provided with groove 3, on groove, be fixedly installed plastic seal material 4, described plastic seal material and spool interference fit.The advantage of this technological scheme be have keying rapidly light, pressure is little and when opening spool and plastic seal material separated, friction factor is little rapidly has a shearing self-cleaning ability simultaneously, and the excellent physical properties with plastic material, the features such as self lubricity and high-wear resistance, corrosion resistance is strong, dimensionally stable is good, can extend the working life of caimflex valve, great advantage is good sealing effect.
In the present embodiment, described plastic seal material is: the plastics such as PEEK, nylon 6, PCTFE, PA.Because these several plastic material moderate strengths, the intensity of partly plastic material even can match in excellence or beauty with metal, there is the good physical property of plastic material, the features such as self lubricity and high-wear resistance, corrosion resistance is strong, dimensionally stable is good, are particularly suitable for the little liquid of pressure reduction, gas, with the liquid medium occasion of a small amount of particle.The feature of this kind of soft seal valve seat is that Finish & Workmanship are simple, scientific structure design, using effect are remarkable; Can be as hard seal ball valve spool and valve seat be all to need to process especially through overvulcanization in metal material, spool and valve seat technique, after use after a while, as easy as rolling off a log cause that both are easy to wear, working life is long and frequent maintenance with change; Do not need or not in the special cutter of enterprise procurement and process equipment, technique simultaneously special process and valve seat must pile-up welding hard alloy therefore low cost of manufacture.
In the present embodiment: the groove on described plastic seal material and valve seat is fixed on valve seat by roll extrusion crimping inside and outside after assembling and compressing again.The structural type of this kind of soft seal valve seat is exactly roll extrusion crimping inside and outside again after groove the inside that the plastics such as PEEK, nylon 6, PCTFE, PA are packed into stainless steel valve seat compresses, and can either meet medium when flowing or not washed out during scouring state and can guarantee the normal operating condition of soft seal caimflex valve.
In the present embodiment: the groove on described valve seat is " recessed " type, and the shape that described plastic seal material is set to coordinate with " recessed " type is carried out interference fit, is then carrying out roll extrusion crimping.In the present embodiment, can adopt multiple mounting type, main purpose is fixed on plastic seal material on valve seat and not and is washed exactly, certainly the technical program is to be to be the most also convenient to most make, in processing and technique than being easier to realization.
Above a kind of caimflex valve provided by the utility model has been carried out to detailed introduction, applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.To change of the present utility model and improvement, will be possible, and can not exceed design and the scope that accessory claim can be stipulated.
Claims (4)
1. a caimflex valve, comprises spool, valve seat, it is characterized in that: described spool is eccentric spool, is provided with groove on valve seat, is fixedly installed plastic seal material on groove, described plastic seal material and spool interference fit.
2. caimflex valve according to claim 1, is characterized in that: described plastic seal material is: PEEK, nylon 6, PCTFE, PA plastics.
3. caimflex valve according to claim 2, is characterized in that: the groove on described plastic seal material and valve seat is fixed on sealing material on valve seat by roll extrusion crimping operation inside and outside after assembling and compressing again.
4. caimflex valve according to claim 3, is characterized in that: the groove on described valve seat is " recessed " type, and the shape that described plastic seal material is set to coordinate with " recessed " type is carried out interference fit, is then carrying out roll extrusion crimping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895258.3U CN203857121U (en) | 2013-12-26 | 2013-12-26 | Cam deflection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895258.3U CN203857121U (en) | 2013-12-26 | 2013-12-26 | Cam deflection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203857121U true CN203857121U (en) | 2014-10-01 |
Family
ID=51606971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895258.3U Expired - Fee Related CN203857121U (en) | 2013-12-26 | 2013-12-26 | Cam deflection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203857121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691738A (en) * | 2018-08-21 | 2018-10-23 | 许尚志 | Compound two-way manual hydraulic pump |
| CN115306910A (en) * | 2022-07-01 | 2022-11-08 | 福建省特种设备检验研究院 | Design and connection process of fluoroplastic soft sealing valve clack structure |
-
2013
- 2013-12-26 CN CN201320895258.3U patent/CN203857121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691738A (en) * | 2018-08-21 | 2018-10-23 | 许尚志 | Compound two-way manual hydraulic pump |
| CN115306910A (en) * | 2022-07-01 | 2022-11-08 | 福建省特种设备检验研究院 | Design and connection process of fluoroplastic soft sealing valve clack structure |
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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: 20141001 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |