CN203868392U - Fixed ball valve applicable to high-temperature working conditions - Google Patents
Fixed ball valve applicable to high-temperature working conditions Download PDFInfo
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- CN203868392U CN203868392U CN201420280472.2U CN201420280472U CN203868392U CN 203868392 U CN203868392 U CN 203868392U CN 201420280472 U CN201420280472 U CN 201420280472U CN 203868392 U CN203868392 U CN 203868392U
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- spring
- valve
- valve body
- seat
- shaped elastic
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Abstract
The utility model discloses a fixed ball valve applicable to high-temperature working conditions. The fixed ball valve comprises a valve body, a ball body and a valve base. A sealing device is arranged between the valve base and the valve body. The sealing device comprises a spring, a spring base and a U-shaped elastic metal ring with the U-shaped section. The spring base is arranged between the valve body and the valve base. The outer end face, facing the valve body, of the spring base is provided with a groove containing the spring, the spring is installed in the groove, one end of the spring is connected with the valve body in an abutting mode, and the other end of the spring is connected with the bottom face of the groove in the spring base in an abutting mode. The U-shaped elastic metal ring is installed between the inner end face, facing the valve base, of the spring base and the valve base in a pressing mode. The end, connected with the valve base in the abutting mode, of the U-shaped elastic metal ring is fixed to the valve base in a welded mode. The end, connected with the spring base in the abutting mode, of the U-shaped elastic metal ring extends to be attached to the valve body, and is compressed and fixed to the valve body through a compressing and fixing device. By the adoption of the structure, the fixed ball valve is applicable to various high-temperature working conditions, and better in sealing effect.
Description
Technical field
The utility model relates to a kind of fixing ball valve, is specifically related to a kind of fixing ball valve that is applicable to worst hot case.
Background technique
Fixing ball valve is high-performance ball valve of new generation, is applicable to long-distance transport pipes and general industry pipeline, and its intensity, Security, adverse environment resistant etc. have carried out special consideration in the time of design, are applicable to various corrosivity and non-aggressive medium.It is compared with floating ball valve, when work, the active force that before valve, hydrodynamic pressure produces on spheroid all passes to bearing, can not make spheroid move to valve seat, thereby valve seat can not bear excessive pressure, so the torque of fixing ball valve is little, valve seat distortion is little, sealability is stable, long service life, is applicable to high pressure, heavy caliber occasion.
Fixing ball valve has generally included valve body, spheroid and valve seat, valve seat is loaded in valve body, described spheroid is loaded on valve seat, in the prior art, sealing between fixing ball valve valve body and valve seat mainly contains two kinds: one is as shown in Figure 1, adopt O RunddichtringO to realize the sealing between valve body and valve seat, but because described O RunddichtringO is to be made up of rubber material, therefore it cannot be applicable to worst hot case; Another kind as shown in Figure 2, adopt Expanded graphite to realize the sealing between valve body and valve seat, although Expanded graphite itself has resistance to high temperature, set it as sealing material and use, still exist sealing effect poor, and cannot be applicable to the defect of some special worst hot case.
Summary of the invention
For the deficiencies in the prior art, the utility model provides one to be applicable to various worst hot cases and the better fixing ball valve of sealing effect.
For achieving the above object, the utility model provides a kind of fixing ball valve that is applicable to worst hot case, comprise valve body, spheroid and valve seat, valve seat is loaded in valve body, described spheroid is loaded on valve seat, between described valve seat and valve body, be provided with seal arrangement, described seal arrangement includes spring, spring seat and cross section are the U-shaped elastic metallic ring of U-shaped, described spring seat is loaded between valve body and valve seat, and spring seat offers the groove that holds spring on the exterior edge face of valve body, described spring is loaded in described groove, one end of spring and valve body butt, groove floor butt on the other end and the spring seat of spring, described U-shaped elastic metallic ring press-fits in spring seat between the interior edge face and valve seat of valve seat, on U-shaped elastic metallic ring with this end of valve seat butt by being fixedly welded on valve seat, on U-shaped elastic metallic ring, extend to valve body and fit with this end of spring seat butt, and be fixed on valve body by a clamping fixture.
The beneficial effects of the utility model are: adopt said structure, because U-shaped elastic metallic ring itself is to be made up of metallic material, therefore it is applicable to worst hot case, described U-shaped elastic metallic ring also has certain elasticity simultaneously, therefore it can be in the time of temperature variation, compensate expanding with heat and contract with cold between each component by elastic strain, thereby effectively avoid occurring stuck phenomenon between each component, and greatly improve sealing effect.Separately, owing to being directly by being fixedly welded on valve seat with this end of valve seat butt on described U-shaped elastic metallic ring, on U-shaped elastic metallic ring, extend to valve body and fit with this end of spring seat butt, and be fixed on valve body by a clamping fixture, therefore its linkage structure is reliable and stable, and sealing effect is better.In sum, the utility model adopts the seal arrangement being made up of spring, spring seat and U-shaped elastic metallic ring to realize the sealing between valve seat and valve body, compared to existing technology, be not only applicable to various worst hot cases, especially some special worst hot case that Expanded graphite can not be suitable for also can be suitable for, and sealing effect is better.
The utility model can further be set to described clamping fixture and comprise hold-down ring, support ring, housing screw and pendant collet, described support ring is set on valve seat, axial one end of support ring is fixed by pendant collet and valve body, described hold-down ring is between the axial the other end and U-shaped elastic metallic ring of described support ring, described housing screw is arranged on support ring, and be connected with one end end face of hold-down ring, the other end end face of described hold-down ring presses on this end of U-shaped elastic metallic ring and spring seat butt.
Adopt further and arrange, described clamping fixture adopts hold-down ring, support ring, housing screw and pendant collet to connect and compose, simple in structure, easy accessibility.Can also regulate the impacting force of hold-down ring to U-shaped spring metal ring by rotatably compressing screw simultaneously.
Brief description of the drawings
Fig. 1 is wherein a kind of structural representation of prior art;
Fig. 2 is the another kind of structural representation of prior art;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the I portion enlarged view of Fig. 3.
Embodiment
As Fig. 3, shown in 4, provide a kind of fixing ball valve that is applicable to worst hot case, comprise valve body 1, spheroid 2 and valve seat 3, valve seat 3 is loaded in valve body 1, described spheroid 2 is loaded on valve seat 3, between described valve seat 3 and valve body 1, be provided with seal arrangement 4, described seal arrangement 4 includes spring 41, spring seat 42 and cross section are the U-shaped elastic metallic ring 43 of U-shaped, described spring seat 42 is loaded between valve body 1 and valve seat 3, and spring seat 42 offers the groove 421 that holds spring 41 on the exterior edge face of valve body 1, described spring 41 is loaded in described groove 421, one end of spring 41 and valve body 1 butt, groove 421 bottom surface butts on the other end of spring 41 and spring seat 42, described U-shaped elastic metallic ring 43 press-fits in spring seat 42 between the interior edge face and valve seat 3 of valve seat 3, on U-shaped elastic metallic ring 43 with this end 431 of valve seat 3 butts by being fixedly welded on valve seat 3, on U-shaped elastic metallic ring 43, extend to valve body 1 and fit with this end 432 of spring seat 42 butts, and be fixed on valve body 1 by a clamping fixture 5.Described clamping fixture 5 comprises hold-down ring 51, support ring 52, housing screw 53 and pendant collet 54, described support ring 52 is set on valve seat 3, axial one end of support ring 52 is fixing with valve body 1 by pendant collet 54, described hold-down ring 51 is between the axial the other end and U-shaped elastic metallic ring 43 of described support ring 52, described housing screw 53 is arranged on support ring 52, and be connected with one end end face of hold-down ring 51, the other end end face of described hold-down ring 51 presses on this end 432 of U-shaped elastic metallic ring 43 and spring seat 42 butts.
Adopt said structure, because U-shaped elastic metallic ring 43 itself is to be made up of metallic material, therefore it is applicable to worst hot case, described U-shaped elastic metallic ring 43 also has certain elasticity simultaneously, therefore it can be in the time of temperature variation, compensate expanding with heat and contract with cold between each component by elastic strain, thereby effectively avoid occurring stuck phenomenon between each component, and greatly improve sealing effect.Separately, owing to being directly by being fixedly welded on valve seat 3 with this end 431 of valve seat 3 butts on described U-shaped elastic metallic ring 43, on U-shaped elastic metallic ring 43, extend to valve body 1 and fit with this end 432 of spring seat 42 butts, and be fixed on valve body 1 by a clamping fixture 5, therefore its linkage structure is reliable and stable, and sealing effect is better.In sum, the utility model adopts the seal arrangement 4 being made up of spring 41, spring seat 42 and U-shaped elastic metallic ring 43 to realize the sealing between valve seat 3 and valve body 1, compared to existing technology, be not only applicable to various worst hot cases, especially some special worst hot case that Expanded graphite can not be suitable for also can be suitable for, and sealing effect is better.
Claims (2)
1. one kind is applicable to the fixing ball valve of worst hot case, comprise valve body, spheroid and valve seat, valve seat is loaded in valve body, described spheroid is loaded on valve seat, between described valve seat and valve body, be provided with seal arrangement, it is characterized in that: described seal arrangement includes spring, spring seat and cross section are the U-shaped elastic metallic ring of U-shaped, described spring seat is loaded between valve body and valve seat, and spring seat offers the groove that holds spring on the exterior edge face of valve body, described spring is loaded in described groove, one end of spring and valve body butt, groove floor butt on the other end and the spring seat of spring, described U-shaped elastic metallic ring press-fits in spring seat between the interior edge face and valve seat of valve seat, on U-shaped elastic metallic ring with this end of valve seat butt by being fixedly welded on valve seat, on U-shaped elastic metallic ring, extend to valve body and fit with this end of spring seat butt, and be fixed on valve body by a clamping fixture.
2. a kind of fixing ball valve that is applicable to worst hot case according to claim 1, it is characterized in that: described clamping fixture comprises hold-down ring, support ring, housing screw and pendant collet, described support ring is set on valve seat, axial one end of support ring is fixed by pendant collet and valve body, described hold-down ring is between the axial the other end and U-shaped elastic metallic ring of described support ring, described housing screw is arranged on support ring, and be connected with one end end face of hold-down ring, the other end end face of described hold-down ring presses on this end of U-shaped elastic metallic ring and spring seat butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280472.2U CN203868392U (en) | 2014-05-29 | 2014-05-29 | Fixed ball valve applicable to high-temperature working conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280472.2U CN203868392U (en) | 2014-05-29 | 2014-05-29 | Fixed ball valve applicable to high-temperature working conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868392U true CN203868392U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280472.2U Active CN203868392U (en) | 2014-05-29 | 2014-05-29 | Fixed ball valve applicable to high-temperature working conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168298A (en) * | 2016-08-17 | 2016-11-30 | 超达阀门集团股份有限公司 | A kind of floating ball valve of high-pressure high-temperature two-way metal sealing |
| CN107795705A (en) * | 2017-11-21 | 2018-03-13 | 浙江工贸职业技术学院 | A kind of efficient sealed erosion resistance ball valve |
| CN107940016A (en) * | 2017-12-14 | 2018-04-20 | 德施普科技发展温州有限公司 | A kind of seal ball-valve |
-
2014
- 2014-05-29 CN CN201420280472.2U patent/CN203868392U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168298A (en) * | 2016-08-17 | 2016-11-30 | 超达阀门集团股份有限公司 | A kind of floating ball valve of high-pressure high-temperature two-way metal sealing |
| CN107795705A (en) * | 2017-11-21 | 2018-03-13 | 浙江工贸职业技术学院 | A kind of efficient sealed erosion resistance ball valve |
| CN107795705B (en) * | 2017-11-21 | 2019-05-17 | 浙江工贸职业技术学院 | A kind of efficient sealed erosion resistance ball valve |
| CN107940016A (en) * | 2017-12-14 | 2018-04-20 | 德施普科技发展温州有限公司 | A kind of seal ball-valve |
| CN107940016B (en) * | 2017-12-14 | 2023-11-10 | 台州艾迪西盛大暖通科技有限公司 | Sealing ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |