CN101956839A - Top-mounted ball valve - Google Patents
Top-mounted ball valve Download PDFInfo
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- CN101956839A CN101956839A CN 201010518312 CN201010518312A CN101956839A CN 101956839 A CN101956839 A CN 101956839A CN 201010518312 CN201010518312 CN 201010518312 CN 201010518312 A CN201010518312 A CN 201010518312A CN 101956839 A CN101956839 A CN 101956839A
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- valve
- ball
- described valve
- valve seat
- seat support
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Abstract
The invention discloses a top-mounted ball valve, which comprises a valve ball in a valve body. At least one side in the valve body is provided with a valve seat support ring and abutted against the valve ball, wherein at least one spring for clamping the valve seat support ring is arranged between the outer side of the valve seat support ring and the inner wall of the valve body; a fastening mechanism is connected with the spring to regulate the elastic force of the spring from the outside of the valve body. The top-mounted ball valve solves the problem of the prior art that the top-mounted ball valve cannot regulate the elastic force of the spring and thus the valve seat support ring and the valve ball cannot be sealed well; and good sealing is realized between the valve seat support ring and the valve ball by arranging a valve seat adjustment ring between the valve body and the spring and arranging the fastening mechanism for adjusting the force applied on the spring by the valve seat support ring, namely, adjusting the force applied on the valve ball by the valve seat support ring.
Description
Technical field
The present invention relates to a kind of valve, relate in particular to a kind of upper-mounting type ball valve.
Background technique
On flowing medium pipelines such as oil, petrochemical industry, the long-time parking of some process pipelines is unallowed, adopt common valve to have the shortcoming of dismounting maintenance difficult, so the available technology adopting upper-mounting type ball valve replaces conventional valves, upper-mounting type ball valve has the valve gap of opening can take out internal components, realizes the advantage of maintenance fast.
Patent of invention CN201129496Y discloses a kind of upper-mounting type ball valve, wherein, and dress formula structure in the employing, both the two ends of valve body flange can be fixedly mounted in the pipeline, valve gap is installed in the top of valve body by bolt, by opening valve gap, can dismantle, install the part in the valve body; Adopt the combination of valve seat support ring and regulating mechanism in addition, make valve ball conveniently take out, while adjustable valve seat pretightening force and then adjustment seal ring pretension specific pressure, but its disclosed upper-mounting type ball valve can't be regulated the elastic force of spring, can't realize that valve seat support ring and valve ball better seal by the elastic force of Regulation spring, long-time use causes the sealing of valve to descend easily, and amount of spring compression is big when assembling is arranged, the assembling difficulty, can not on-line maintenance etc. shortcoming.
Summary of the invention
The invention discloses a kind of upper-mounting type ball valve, upper-mounting type ball valve can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force in the prior art in order to solve.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of upper-mounting type ball valve, comprise: one is arranged on the valve ball in the valve body, at least one side in the described valve body is equipped with a valve seat support ring and offsets with described valve ball, wherein, be provided with at least one spring that is used to clamp described valve seat support ring between the described valve seat support ring outside and the described valve interior wall, one retention mechanism links to each other with described spring, is used for from the outside elastic force of regulating described spring of described valve body.
Aforesaid upper-mounting type ball valve, wherein, described retention mechanism comprises: a valve seat adjustment ring is arranged between described spring and the described valve interior wall; One adjusting nut, passing a screw that is arranged on the described valve body links to each other with a sliding axle, described sliding axle has an outward-dipping upper-end surface from bottom to top, the outer end of described valve seat adjustment ring has the chamfering that is complementary with described upper-end surface, make described valve seat adjustment ring slide, to regulate the elastic force of described spring along described valve interior wall.
Aforesaid upper-mounting type ball valve, wherein, described valve seat support ring has two, is installed in the relative both sides of described valve ball respectively, and described two valve seat support rings place respectively between two communication port and described valve ball of described valve body.
Aforesaid upper-mounting type ball valve, wherein, the outer end of the side that described valve seat support ring and described valve ball offset offers chamfering, and the position that described valve body is corresponding with described chamfering is run through and is offered at least one screw, is provided with a movable plug screw in the described screw.
Aforesaid upper-mounting type ball valve wherein, offers a valve body greasing hole on the corresponding position of described valve body and described spring, a valve body grease pouring valve is arranged on the described valve body greasing hole.
Aforesaid upper-mounting type ball valve, wherein, the bottom of described valve body is provided with a bottom, is provided with one between the bottom of described bottom and described valve ball and adjusts axle, and described adjustment axle is provided with a plurality of adjustment Simmer rings.
Aforesaid upper-mounting type ball valve, wherein, the top of described valve body is provided with a valve gap, the top and bottom of described valve ball is respectively equipped with on one spindle nose and spindle nose once, the bottom of described valve gap is provided with one and goes up the Upper shaft sleeve that spindle nose is complementary with described, and the bottom of described valve seat is provided with a Lower shaft sleeve that is complementary with described spindle nose down.
Aforesaid upper-mounting type ball valve, wherein, described going up on the spindle nose offers a rectangle axis hole, the lower end of one valve rod is provided with the rectangle spindle nose that is complementary with described square opening and prism, offer a valve rod axis hole on the described valve gap, described valve rod passes described valve rod axis hole, and the rectangle spindle nose of described valve rod places described square opening and prism.
Aforesaid upper-mounting type ball valve wherein, is provided with valve seat insert between described valve seat support ring and the described valve ball.
Aforesaid upper-mounting type ball valve, wherein, a side of the bottom of described valve body offers at least one pollutant exhaust hole, and blowdown valve is arranged on the described pollutant exhaust hole.
In sum, upper-mounting type ball valve of the present invention has solved that upper-mounting type ball valve can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force in the prior art, by valve seat adjustment ring being set between valve body and spring and retention mechanism being set the power that the valve seat support ring applies on the spring is adjusted, just the power that the valve seat support ring is applied on the valve ball is adjusted, and then realizes the excellent sealing between valve seat support ring and the valve ball.
Description of drawings
Fig. 1 is the structural representation of upper-mounting type ball valve of the present invention;
Fig. 2 is that the B-B of Fig. 1 of upper-mounting type ball valve of the present invention is to the structure sectional view;
Fig. 3 is that the A-A of Fig. 1 of upper-mounting type ball valve of the present invention is to the structure sectional view;
Fig. 4 is the structural representation of the valve ball of upper-mounting type ball valve of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described:
Embodiment (one)
Fig. 1 is the structural representation of upper-mounting type ball valve of the present invention, see also Fig. 1, a kind of upper-mounting type ball valve of the present invention, comprise: one is arranged on the valve ball 15 in the valve body 1, at least one side in the valve body 1 is equipped with a valve seat support ring 7 and offsets with valve ball 15, wherein, be provided with at least one spring 4 that is used for pinched valve seat supports ring 7 between valve seat support ring 7 outsides and valve body 1 inwall, elastic force by spring 4 makes valve seat support ring 7 and valve ball 15 better fit, increase sealability, one retention mechanism 2 links to each other with spring 4, be used for from the elastic force of valve body 1 outside Regulation spring 4, make and do not opening upper-mounting type ball valve of the present invention, do not need to change under the situation of spring 4, realize the adjusting of spring 4 elastic force, and then the pressure that valve seat support ring 7 is applied on the valve ball 15 regulated, making can increase the elastic force of spring 4 by regulating retention mechanism 2, the pressure of 7 pairs of valve balls 15 of maintaining valve seat supports ring, and then the sealability of assurance upper-mounting type ball valve of the present invention after the elastic force of spring 4 descends.
Valve seat support ring 7 in the present embodiment can be two, be installed in the relative both sides of valve ball 15 respectively, and place between two communication port of valve ball 15 and valve body 1, and respectively the elastic force that is arranged on the spring 4 on the two valve seat support rings 7 is regulated by two retention mechanisms 2, in valve ball 15 relative both sides valve seat support ring 7 being set makes valve ball 15 both sides all can be subjected to the pressure of valve seat support ring 7, two valve seat support rings 7 are arranged on make the better effects if of sealing of 7 pairs of valve balls 15 of valve seat support ring between two communication port of valve ball 15 and valve body 1, and valve ball 15 is difficult for departing from desired location in valve body 1.
Fig. 2 be the B-B of Fig. 1 of upper-mounting type ball valve of the present invention to the structure sectional view, see also Fig. 1, Fig. 2, the retention mechanism in the present embodiment comprises: a valve seat adjustment ring 2 is arranged between spring 4 and valve body 1 inwall; One adjusting nut 31, passing a screw 311 that is arranged on the valve body 1 links to each other with a sliding axle 30, by rotating adjusting nut 31 sliding axle 30 is slided along screw 311 directions, sliding axle 30 has an outward-dipping upper-end surface from bottom to top, the outer end of valve seat adjustment ring 2 offers the chamfering that is complementary with the upper-end surface, be similar to an inclination ejecting structure, make valve seat adjustment ring 2 slide by rotating adjusting nut 31, with the elastic force of Regulation spring 4 along valve body 1 inwall; Rotating adjusting nut 31 makes sliding axle 30 eject in valve body 1 along screw 311 directions, then valve seat adjustment ring 2 moves to valve ball 15 directions, increase the elastic force of spring 4, and then increase the pressure that valve seat support ring 7 is applied on the valve ball 15, otherwise, rotating adjusting nut 31 makes sliding axle 30 eject outside valve body 1 along screw 311 directions, then valve seat adjustment ring 2 moves to the direction away from valve ball 15, the elastic force that spring 4 applies reduces, and then the pressure that valve seat support ring 7 is applied on the valve ball 15 also reduced, and can guarantee valve ball 15 good sealing property by regulating adjusting nut 31 on the basis of not opening upper-mounting type ball valve of the present invention.
Also be provided with a sealing cover 32 on the valve body 1 in the present embodiment, sealing cover 32 is sealed in adjusting nut 31 in the screw 311, be provided with sealing cover pad 33 between sealing cover 32 and the valve body 1, be provided with sliding axle seal ring 29 between sliding axle 30 and the valve body, be used for increasing sealing of the present invention.
Be provided with valve seat insert 8 between valve seat support ring 7 in the present embodiment and the valve ball 15, wherein valve seat insert 8 is the graphite circle, makes upper-mounting type ball valve of the present invention have excellent sealing performance.
Embodiment (two)
Fig. 3 is that the A-A of Fig. 1 of upper-mounting type ball valve of the present invention is to the structure sectional view, see also Fig. 1, Fig. 3, on embodiment one basis, the outer end of the side that the valve seat support ring 7 and the valve ball 15 of upper-mounting type ball valve of the present invention offsets offers chamfering, the position that valve body 1 is corresponding with chamfering is run through and is offered at least one screw 26, be provided with a movable plug screw 27 in the screw 26, the effect of chamfering is under the situation that movable plug screw 27 is removed the special-purpose metal bar to be stretched in the screw 26 and valve seat support ring 7 can be pushed up from valve ball 15, convenience is packed valve ball 15 into or is taken out, and then the device of valve body 1 inside all can be taken out, realize the quick maintenance and the part replacement of upper-mounting type ball valve of the present invention.
The outer of the valve seat support ring 7 in the present embodiment is provided with a projection 71, projection 71 is vertical with the outer of valve seat support ring 7 near a side of spring 4, valve body 1 is the structure of a similar one-level step with the part of valve seat support ring 7 butts, the upper-end surface of the outer surface of valve seat support ring 7 and one-level ledge structure offsets, projection 71 offsets with the lower end surface of one-level ledge structure, projection 71 effect be prevent with valve seat support ring 7 tops from process in valve seat support ring 7 displacement distances excessive, make the special-purpose metal bar directly contact valve ball 15, or cause the damage of valve body 1 internal components, after the special-purpose metal bar backs down valve seat support ring 7 and move a certain distance, projection 71 offsets with the median surface of one-level ledge structure, and the special-purpose metal bar can't make valve seat support ring 7 continue to move to the direction away from valve ball 15.
Offer a valve body greasing hole 281, one valve body grease pouring valves 28 on the corresponding position of valve body 1 in the present embodiment and spring 4 and be arranged on the valve body greasing hole 281, be used in the seal grease injection valve seat supports annular distance.
Embodiment (three)
Fig. 4 is the structural representation of the valve ball of upper-mounting type ball valve of the present invention, see also Fig. 1, Fig. 4, on the basis of the foregoing description, the top of the valve body of upper-mounting type ball valve of the present invention is provided with a valve gap 22, the top and bottom of valve ball 15 is respectively equipped with on one spindle nose 35 and spindle nose 34 once, the bottom of valve gap 22 is provided with a Upper shaft sleeve that is complementary with last spindle nose, the bottom of valve seat 1 is provided with a Lower shaft sleeve 9 that is complementary with following spindle nose 34, the last spindle nose 35 of valve ball 15 places Upper shaft sleeve, the following spindle nose 34 of valve ball 15 places Lower shaft sleeve 9, is used for realizing the reliable location of valve ball 15 in valve body 1.
Offer a rectangle axis hole 36 on the last spindle nose 35 in the present embodiment, the lower end of one valve rod 16 is provided with the rectangle spindle nose that is complementary with rectangle axis hole 36, offer a valve rod axis hole on the valve gap 22, valve rod 16 passes the valve rod axis hole, the rectangle spindle nose of valve rod 16 places rectangle axis hole 36, closely engage with rectangle axis hole 36, realize that by valve rod 16 valve ball 15 increases the reliability and stability that valve ball 15 is located when rotating in valve body 1.
Offer a valve gap greasing hole 211 on the valve gap 22 in the present embodiment, valve gap greasing hole 211 leads to the valve rod axis hole, and a valve gap grease pouring valve 21 is arranged in the valve gap greasing hole 211.
The bottom of the valve body in the present embodiment is provided with a bottom 11, be provided with one between the bottom of bottom 11 and valve ball 15 and adjust axle 13, adjust axle 13 and be provided with a plurality of adjustment Simmer rings 12, be provided with and adjust axle 13 distances that can finely tune between valve ball 15 and the bottom 11, realize the reliable location of valve ball 15, adjustment Simmer ring 12 can prevent that seepage from appearring in the part of bottom adjustment axle 13, improves sealability.
One side of the bottom of the valve body 1 in the present embodiment offers a pollutant exhaust hole 141, pollutant exhaust hole 141 is opened in the valve body bottom position, one blowdown valve 14 is arranged on the pollutant exhaust hole 141, meeting accumulation low amount of dirt bottom valve body after upper-mounting type ball valve of the present invention works long hours is provided with pollutant exhaust hole 141 and blowdown valve 14 can be discharged dirt.
In sum, upper-mounting type ball valve of the present invention has solved that upper-mounting type ball valve can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force in the prior art, by valve seat adjustment ring being set between valve body and spring and retention mechanism being set the power that the valve seat support ring applies on the spring is adjusted, just the power that the valve seat support ring is applied on the valve ball is adjusted, and then realizes the excellent sealing between valve seat support ring and the valve ball.
More than specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of being done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (10)
1. upper-mounting type ball valve, comprise: one is arranged on the valve ball in the valve body, at least one side in the described valve body is equipped with a valve seat support ring and offsets with described valve ball, it is characterized in that, be provided with at least one spring that is used to clamp described valve seat support ring between the described valve seat support ring outside and the described valve interior wall, one retention mechanism links to each other with described spring, is used for from the outside elastic force of regulating described spring of described valve body.
2. upper-mounting type ball valve according to claim 1 is characterized in that, described retention mechanism comprises: a valve seat adjustment ring is arranged between described spring and the described valve interior wall; One adjusting nut, passing a screw that is arranged on the described valve body links to each other with a sliding axle, described sliding axle has an outward-dipping upper-end surface from bottom to top, the outer end of described valve seat adjustment ring has the chamfering that is complementary with described upper-end surface, make described valve seat adjustment ring slide, to regulate the elastic force of described spring along described valve interior wall.
3. upper-mounting type ball valve according to claim 1 is characterized in that, described valve seat support ring has two, is installed in the relative both sides of described valve ball respectively, and described two valve seat support rings place respectively between two communication port and described valve ball of described valve body.
4. upper-mounting type ball valve according to claim 1, it is characterized in that, the outer end of the side that described valve seat support ring and described valve ball offset offers chamfering, and the position that described valve body is corresponding with described chamfering is run through and offered at least one screw, is provided with a movable plug screw in the described screw.
5. upper-mounting type ball valve according to claim 1 is characterized in that, offers a valve body greasing hole on the corresponding position of described valve body and described spring, and a valve body grease pouring valve is arranged on the described valve body greasing hole.
6. upper-mounting type ball valve according to claim 1 is characterized in that the bottom of described valve body is provided with a bottom, is provided with one between the bottom of described bottom and described valve ball and adjusts axle, and described adjustment axle is provided with a plurality of adjustment Simmer rings.
7. upper-mounting type ball valve according to claim 1, it is characterized in that, the top of described valve body is provided with a valve gap, the top and bottom of described valve ball is respectively equipped with on one spindle nose and spindle nose once, the bottom of described valve gap is provided with one and goes up the Upper shaft sleeve that spindle nose is complementary with described, and the bottom of described valve seat is provided with a Lower shaft sleeve that is complementary with described spindle nose down.
8. upper-mounting type ball valve according to claim 7, it is characterized in that, described going up on the spindle nose offers a rectangle axis hole, the lower end of one valve rod is provided with the rectangle spindle nose that is complementary with described square opening and prism, offer a valve rod axis hole on the described valve gap, described valve rod passes described valve rod axis hole, and the rectangle spindle nose of described valve rod places described square opening and prism.
9. according to the arbitrary described upper-mounting type ball valve of claim 1 ~ 4, it is characterized in that, be provided with valve seat insert between described valve seat support ring and the described valve ball.
10. according to the arbitrary described upper-mounting type ball valve of claim 1 ~ 7, it is characterized in that a side of the bottom of described valve body offers at least one pollutant exhaust hole, blowdown valve is arranged on the described pollutant exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105183123A CN101956839B (en) | 2010-10-26 | 2010-10-26 | Top-mounted ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105183123A CN101956839B (en) | 2010-10-26 | 2010-10-26 | Top-mounted ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956839A true CN101956839A (en) | 2011-01-26 |
| CN101956839B CN101956839B (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105183123A Expired - Fee Related CN101956839B (en) | 2010-10-26 | 2010-10-26 | Top-mounted ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101956839B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758931A (en) * | 2012-07-18 | 2012-10-31 | 嘉士凯（苏州）阀门配件有限公司 | Uploaded-type ball valve |
| CN103148237A (en) * | 2013-03-26 | 2013-06-12 | 昆山维萨阀门有限公司 | On-line dismounting structure of top-mounted fixed ball valve |
| CN103225701A (en) * | 2012-01-27 | 2013-07-31 | 和成股份有限公司 | Contact pressure adjusting valve |
| CN103597261A (en) * | 2011-06-08 | 2014-02-19 | 布雷国际有限公司 | In-line repairable metal seated floating ball valve |
| CN110425298A (en) * | 2019-07-31 | 2019-11-08 | 固安沃克流体控制有限公司 | A kind of upper-mounting type ball valve |
| CN114165615A (en) * | 2022-01-19 | 2022-03-11 | 瓯球阀门有限公司 | Top-mounted ball valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477055A (en) * | 1983-06-30 | 1984-10-16 | Acf Industries, Incorporated | Valve seat for ball valves |
| CN2231746Y (en) * | 1995-08-30 | 1996-07-24 | 中国人民解放军第5719工厂阀门分厂 | Concealed rod flat gate valve for pipeline |
| CN200975511Y (en) * | 2006-11-30 | 2007-11-14 | 曾品其 | Bidirectional two-pass wedged and fastened type heavy caliber top mounted ball-valve |
| CN201096207Y (en) * | 2007-11-15 | 2008-08-06 | 戴光荣 | Holder type handle-possessing ball valve |
-
2010
- 2010-10-26 CN CN2010105183123A patent/CN101956839B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4477055A (en) * | 1983-06-30 | 1984-10-16 | Acf Industries, Incorporated | Valve seat for ball valves |
| JPS6014666A (en) * | 1983-06-30 | 1985-01-25 | エイシ−エフ・インダストリ−ズ，インコ−ポレイテツド | Structure of valve |
| CN2231746Y (en) * | 1995-08-30 | 1996-07-24 | 中国人民解放军第5719工厂阀门分厂 | Concealed rod flat gate valve for pipeline |
| CN200975511Y (en) * | 2006-11-30 | 2007-11-14 | 曾品其 | Bidirectional two-pass wedged and fastened type heavy caliber top mounted ball-valve |
| CN201096207Y (en) * | 2007-11-15 | 2008-08-06 | 戴光荣 | Holder type handle-possessing ball valve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597261A (en) * | 2011-06-08 | 2014-02-19 | 布雷国际有限公司 | In-line repairable metal seated floating ball valve |
| CN103225701A (en) * | 2012-01-27 | 2013-07-31 | 和成股份有限公司 | Contact pressure adjusting valve |
| CN103225701B (en) * | 2012-01-27 | 2015-10-21 | 和成股份有限公司 | Pressure of contact surface modulating valve |
| CN102758931A (en) * | 2012-07-18 | 2012-10-31 | 嘉士凯（苏州）阀门配件有限公司 | Uploaded-type ball valve |
| CN103148237A (en) * | 2013-03-26 | 2013-06-12 | 昆山维萨阀门有限公司 | On-line dismounting structure of top-mounted fixed ball valve |
| CN110425298A (en) * | 2019-07-31 | 2019-11-08 | 固安沃克流体控制有限公司 | A kind of upper-mounting type ball valve |
| CN114165615A (en) * | 2022-01-19 | 2022-03-11 | 瓯球阀门有限公司 | Top-mounted ball valve |
| CN114165615B (en) * | 2022-01-19 | 2023-12-08 | 瓯球阀门有限公司 | Top-mounted ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101956839B (en) | 2013-12-04 |
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