CN204153202U - dust-proof ball valve - Google Patents
dust-proof ball valve Download PDFInfo
- Publication number
- CN204153202U CN204153202U CN201420563825.XU CN201420563825U CN204153202U CN 204153202 U CN204153202 U CN 204153202U CN 201420563825 U CN201420563825 U CN 201420563825U CN 204153202 U CN204153202 U CN 204153202U
- Authority
- CN
- China
- Prior art keywords
- valve
- dust
- valve seat
- spheroid
- press block
- 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 kind of valve, particularly the dust-proof ball valve of one.The utility model provides following technological scheme: a kind of dust-proof ball valve, include valve body, valve gap, spheroid, valve rod and actuator, valve body is provided with medium inlet passage and medium flow pass and connection chamber, spheroid is arranged in connection chamber, medium inlet passage and be provided with seal valve seat between medium flow pass and spheroid, seal valve seat includes valve seat body, Sealing is respectively equipped with between valve seat body and spheroid and valve body, valve seat body has compression volume relative to arranging between the other end of Sealing one end and valve body, be provided with in this compression volume and compress spring, valve seat body offers the installation cavity for compressing spring fitting, dust-proof press block is provided with in compression volume between valve seat body and valve body, the longitudinal terminal surface of dust-proof press block is arranged with dust seal.Adopt technique scheme, provide a kind of good airproof performance, prevent from compressing spring clip stream, the simple dust-proof ball valve of structure.
Description
Technical field
The utility model relates to a kind of valve, particularly the dust-proof ball valve of one.
Background technique
Ball valve is a kind of activation members, and namely spheroid is driven by valve rod, and around the valve that the axis of valve rod rotates.Be mainly used in blocking or connect the medium in pipeline, also can be used for the regulating and control of fluid.Traditional ball valve is primarily of valve body, valve gap, spheroid, the actuator composition of valve rod and actuate valve stem, valve body is provided with medium inlet passage and medium flow pass, expanding channels chamber conducting between medium inlet passage and medium flow pass, spheroid is arranged in connection chamber, medium inlet passage and be provided with seal valve seat between medium flow pass and spheroid, traditional seal valve seat mainly includes valve seat body, Sealing is provided with between valve seat body and spheroid, valve seat body is provided with relative to the other end arranging Sealing one end and compresses spring, make to keep sealing between seal valve seat and spheroid, but, as easy as rolling off a log the entering into of impurity in medium compresses spring place, make to compress spring clamping stagnation, thus the sealability had influence between seal valve seat and spheroid.
Summary of the invention
For the deficiency that prior art exists, the utility model provides a kind of good airproof performance, prevents from compressing spring clip stream, the simple dust-proof ball valve of structure.
For achieving the above object, the utility model provides following technological scheme: a kind of dust-proof ball valve, include valve body, valve gap, spheroid, the actuator of valve rod and actuate valve stem, described valve body is provided with medium inlet passage and medium flow pass, by connection chamber conducting between medium inlet passage and medium flow pass, spheroid is arranged in connection chamber, medium inlet passage and be provided with seal valve seat between medium flow pass and spheroid, described seal valve seat includes valve seat body, Sealing is respectively equipped with between valve seat body and spheroid and valve body, valve seat body has compression volume relative to arranging between the other end of Sealing one end and valve body, be provided with in this compression volume and compress spring, it is characterized in that: described valve seat body offers the installation cavity for compressing spring fitting, dust-proof press block is provided with in compression volume between valve seat body and valve body, the axial one end and the valve seat body that compress spring are conflicted, conflict in horizontal one end of the other end and dust-proof press block, dust-proof press block relative to compress spring conflict to have between the other end of one end and valve body impel dust-proof press block to be positioned at compression volume intrinsic displacement compress gap, the longitudinal terminal surface of described dust-proof press block is arranged with dust seal.
Adopt technique scheme, by arranging dust-proof press block between valve seat body and valve body, pressure medium in valve body enters into compressing in gap of dust-proof press block and implements to conflict to dust-proof press block, dust-proof press block is made to be in slippage in compression volume, conflict to compressing spring simultaneously, compress spring to implement to conflict to valve seat body, sealing between valve seat body and spheroid is protected, longitudinal terminal surface due to dust-proof press block is arranged with dust seal, kept out by dust seal by the impurity compressed in medium that gap location enters, can effectively prevent from compressing and enter impurity in spring and clamping stagnation occurs, the sealing of valve seat is protected, and structure is simple, easy for installation.
The utility model is set to further: the medium inlet passage of valve body, the inwall of medium flow pass and the outer wall of spheroid are coated with dismountable anticorrosive coat respectively, this anticorrosive coat is anticorrosive PTFE plate, anticorrosive coat is provided with magnet towards medium inlet passage, the inwall of medium flow pass and the outer wall of spheroid, the inwall of medium inlet passage, medium flow pass and be provided with between spheroid and anticorrosive coat with its on the attracting magnetic of magnet.
Adopt technique scheme, when valve body applies in the field such as chemical industry, pharmacy, the setting of anticorrosive coat can avoid valve inner to be corroded, thus extends the working life of valve body; Anticorrosive coat is detachable simultaneously, can be convenient to change after using for a long time.
The utility model is further set to: dust seal includes the flexible graphite sealing ring on the longitudinal terminal surface being sheathed on dust-proof press block.
Adopt technique scheme, arrange structure so simple, filterability is good.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the I portion enlarged diagram of Fig. 1;
Fig. 3 is the II portion enlarged diagram of Fig. 1.
Embodiment
The dust-proof ball valve of one as shown in Fig. 1-Fig. 3, includes the actuator 5 of valve body 1, valve gap 2, spheroid 3, valve rod 4 and actuate valve stem 4, and this actuator can be the handwheel linked with valve rod 4, also can be drive motor.Valve body 1 is provided with medium inlet passage 11 and medium flow pass 12, by connection chamber 13 conducting between medium inlet passage 11 and medium flow pass 12, spheroid 3 is arranged in connection chamber 13, medium inlet passage 11 and be provided with seal valve seat 6 between medium flow pass 12 and spheroid 3, seal valve seat 6 includes valve seat body 61, Sealing 7 is respectively equipped with between valve seat body 61 and spheroid 3 and valve body 1, valve seat body 61 has compression volume 14 relative to arranging between the other end of Sealing 7 one end and valve body 1, be provided with in this compression volume 14 and compress spring 62, valve seat body 61 offers the installation cavity 611 for compressing spring 62 installation, dust-proof press block 8 is provided with in compression volume 14 between valve seat body 61 and valve body 1, the axial one end and the valve seat body 61 that compress spring 62 are conflicted, conflict in horizontal one end of the other end and dust-proof press block 8, dust-proof press block 8 relative to compress spring 62 conflict to have between the other end of one end and valve body 1 impel dust-proof press block 8 to be positioned at compression volume 14 intrinsic displacement compress gap 15, the longitudinal terminal surface of dust-proof press block 8 is arranged with dust seal 81, this dust seal 81 is preferably flexible graphite sealing ring.In such scheme, by arranging dust-proof press block 8 between valve seat body 61 and valve body 1, pressure medium in valve body 1 enters into compressing in gap 15 of dust-proof press block 8 and implements to conflict to dust-proof press block 8, dust-proof press block 8 is made to be in slippage in compression volume 14, conflict to compressing spring 62 simultaneously, compress spring 62 pairs of valve seat body 61 to implement to conflict, sealing between valve seat body 61 and spheroid 3 is protected, longitudinal terminal surface due to dust-proof press block 8 is arranged with dust seal 81, kept out by dust seal 81 by the impurity compressed in medium that gap 15 enters, can effectively prevent from compressing entering impurity in spring 62 and clamping stagnation occurring, the sealing of valve body 1 is protected, and structure is simple, easy for installation.
In the utility model embodiment, when valve body 1 applies to chemical industry, time in the fields such as pharmacy, be corroded in order to avoid valve body 1 inside and reduce the working life of valve body, the medium inlet passage 11 of valve body 1, the inwall of medium flow pass 12 and the outer wall of spheroid 3 are coated with dismountable anticorrosive coat 9 respectively, this anticorrosive coat 9 is anticorrosive PTFE plate, anticorrosive coat 9 is towards medium inlet passage 11, the inwall of medium flow pass 12 and the outer wall of spheroid 3 are provided with magnet 91, medium inlet passage 11, the inwall of medium flow pass 12 and be provided with between spheroid 3 and anticorrosive coat 9 with its on the attracting magnetic 92 of magnet 91, magnetic 92 can be the metal of magnetic conduction, as iron.Need the life-span, anticorrosive coat 9 is also implemented to removably connect by link or Bond and valve body 1 and spheroid 3, is also feasible.Just adopt the mode of magnet 91 and the mutual adhesive of magnetic 92 to be connected more firm, dismantle more convenient.
Claims (3)
1. a dust-proof ball valve, include valve body, valve gap, spheroid, the actuator of valve rod and actuate valve stem, described valve body is provided with medium inlet passage and medium flow pass, by connection chamber conducting between medium inlet passage and medium flow pass, spheroid is arranged in connection chamber, medium inlet passage and be provided with seal valve seat between medium flow pass and spheroid, described seal valve seat includes valve seat body, Sealing is respectively equipped with between valve seat body and spheroid and valve body, valve seat body has compression volume relative to arranging between the other end of Sealing one end and valve body, be provided with in this compression volume and compress spring, it is characterized in that: described valve seat body offers the installation cavity for compressing spring fitting, dust-proof press block is provided with in compression volume between valve seat body and valve body, the axial one end and the valve seat body that compress spring are conflicted, conflict in horizontal one end of the other end and dust-proof press block, dust-proof press block relative to compress spring conflict to have between the other end of one end and valve body impel dust-proof press block to be positioned at compression volume intrinsic displacement compress gap, the longitudinal terminal surface of described dust-proof press block is arranged with dust seal.
2. dust-proof ball valve according to claim 1, it is characterized in that: the medium inlet passage of described valve body, the inwall of medium flow pass and the outer wall of spheroid are coated with dismountable anticorrosive coat respectively, this anticorrosive coat is anticorrosive PTFE plate, anticorrosive coat is provided with magnet towards medium inlet passage, the inwall of medium flow pass and the outer wall of spheroid, the inwall of medium inlet passage, medium flow pass and be provided with between spheroid and anticorrosive coat with its on the attracting magnetic of magnet.
3. dust-proof ball valve according to claim 1 and 2, is characterized in that: described dust seal includes the flexible graphite sealing ring on the longitudinal terminal surface being sheathed on dust-proof press block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563825.XU CN204153202U (en) | 2014-09-28 | 2014-09-28 | dust-proof ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563825.XU CN204153202U (en) | 2014-09-28 | 2014-09-28 | dust-proof ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153202U true CN204153202U (en) | 2015-02-11 |
Family
ID=52511318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563825.XU Expired - Fee Related CN204153202U (en) | 2014-09-28 | 2014-09-28 | dust-proof ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757987A (en) * | 2018-06-16 | 2018-11-06 | 张新丰 | A kind of band protective case ball valve |
| CN117869619A (en) * | 2024-03-12 | 2024-04-12 | 成都成高阀门股份有限公司 | Ball valve with novel valve rod coupling mechanism |
-
2014
- 2014-09-28 CN CN201420563825.XU patent/CN204153202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757987A (en) * | 2018-06-16 | 2018-11-06 | 张新丰 | A kind of band protective case ball valve |
| CN117869619A (en) * | 2024-03-12 | 2024-04-12 | 成都成高阀门股份有限公司 | Ball valve with novel valve rod coupling mechanism |
| CN117869619B (en) * | 2024-03-12 | 2024-05-17 | 成都成高阀门股份有限公司 | Ball valve with novel valve rod coupling mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20170928 |