CN101956839B - Top-mounted ball valve - Google Patents
Top-mounted ball valve Download PDFInfo
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- CN101956839B CN101956839B CN2010105183123A CN201010518312A CN101956839B CN 101956839 B CN101956839 B CN 101956839B CN 2010105183123 A CN2010105183123 A CN 2010105183123A CN 201010518312 A CN201010518312 A CN 201010518312A CN 101956839 B CN101956839 B CN 101956839B
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- described valve
- valve seat
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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 the flowing medium pipelines such as oil, petrochemical industry, the long-time parking of some process pipelines is unallowed, adopt common valve to there is the shortcoming of detachable maintaining difficulty, 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 rapid-maintenance.
Patent of invention CN201129496Y discloses a kind of upper-mounting type ball valve, wherein, and dress formula structure in employing, both two end flange of valve body can be fixedly mounted in pipeline, valve gap is arranged on the top of valve body by bolt, by opening valve gap, can dismantle, install the part in valve body; Adopt in addition valve seat support ring and regulating mechanism combination, make the convenient taking-up of valve ball, while capable of regulating 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 easily causes the sealing of valve to descend, and amount of spring compression is large 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, in order to solve upper-mounting type ball valve in prior art, can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force.
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 valve body, at least one side in described valve body is equipped with a valve seat support ring and offsets with described valve ball, wherein, between the described valve seat support ring outside and described valve interior wall, be provided with at least one for clamping the spring of described valve seat support ring, one retention mechanism is connected with described spring, for the elastic force from the described spring of the outside adjusting of described valve body.
Upper-mounting type ball valve as above, wherein, described retention mechanism comprises: a valve seat adjustment ring is arranged between described spring and described valve interior wall; One adjusting nut, through a screw be arranged on described valve body, with a sliding axle, be connected, 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 be complementary with described upper-end surface, make described valve seat adjustment ring slide along described valve interior wall, to regulate the elastic force of described spring.
Upper-mounting type ball valve as above, wherein, described valve seat support ring has two, is arranged on respectively the both sides that described valve ball is relative, and described two valve seat support rings are placed in respectively between two communication port and described valve ball of described valve body.
Upper-mounting type ball valve as above, 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 described screw.
Upper-mounting type ball valve as above, wherein, offer 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 described valve body greasing hole.
Upper-mounting type ball valve as above, wherein, the bottom of described valve body is provided with a bottom, is provided with an adjustment axle between the bottom of described bottom and described valve ball, and described adjustment axle is provided with a plurality of adjustment Simmer rings.
Upper-mounting type ball valve as above, 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 a Upper shaft sleeve be complementary with described upper spindle nose, and the bottom of described valve seat is provided with a Lower shaft sleeve be complementary with described lower spindle nose.
Upper-mounting type ball valve as above, wherein, offer a rectangle axis hole on described upper spindle nose, the lower end of one valve rod is provided with the rectangle spindle nose be complementary with described square opening and prism, offer a valve rod axis hole on described valve gap, described valve rod is through described valve rod axis hole, and the rectangle spindle nose of described valve rod is placed in described square opening and prism.
Upper-mounting type ball valve as above, wherein, be provided with valve seat insert between described valve seat support ring and described valve ball.
Upper-mounting type ball valve as above, wherein, a side of the bottom of described valve body offers at least one pollutant exhaust hole, and blowdown valve is arranged on described pollutant exhaust hole.
In sum, upper-mounting type ball valve of the present invention has solved upper-mounting type ball valve in the prior art and can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force, by the valve seat adjustment ring being set between valve body and spring and the power that retention mechanism applies on spring the valve seat support ring being set, adjusted, the power namely the valve seat support ring is applied on valve ball is adjusted, and then realizes the excellent sealing between valve seat support ring and valve ball.
The accompanying drawing explanation
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, refer to Fig. 1, a kind of upper-mounting type ball valve of the present invention, comprise: one is arranged on the valve ball 15 in valve body 1, at least one side in 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 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 is connected with spring 4, for the elastic force from the outside Regulation spring 4 of valve body 1, make and do not opening upper-mounting type ball valve of the present invention, do not need to change in 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 valve ball 15 is regulated, make after the elastic force of spring 4 descends and can increase by regulating retention mechanism 2 elastic force of spring 4, 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.
Valve seat support ring 7 in the present embodiment can be two, be arranged on respectively the both sides that valve ball 15 is relative, and be placed 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 two valve seat support rings 7 is regulated by two retention mechanisms 2, at valve ball 15, relative both sides arrange valve seat support ring 7 and make valve ball 15 both sides all can be subject to the pressure of valve seat support ring 7, two valve seat support rings 7 are arranged on to the better effects if that makes the 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 valve body 1 is interior.
Fig. 2 be the B-B of Fig. 1 of upper-mounting type ball valve of the present invention to the structure sectional view, refer to 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, through a screw 311 be arranged on valve body 1, with a sliding axle 30, be connected, by rotating adjusting nut 31, can make sliding axle 30 slide 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 be complementary with upper-end surface, be similar to an inclination ejecting structure, by rotating adjusting nut 31, make valve seat adjustment ring 2 slide along valve body 1 inwall, with the elastic force of Regulation spring 4, rotating adjusting nut 31 makes sliding axle 30 eject in valve body 1 along screw 311 directions, 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 valve ball 15, otherwise, rotating adjusting nut 31 makes sliding axle 30 eject outside valve body 1 along screw 311 directions, 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 valve ball 15 has also reduced, can on the basis of not opening upper-mounting type ball valve of the present invention, guarantee the good sealing of valve ball 15 by regulating adjusting nut 31.
Also be provided with a sealing cover 32 on valve body 1 in the present embodiment, sealing cover 32 is sealed in adjusting nut 31 in screw 311, be provided with sealing cover pad 33 between sealing cover 32 and valve body 1, be provided with sliding axle seal ring 29 between sliding axle 30 and 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 valve ball 15, wherein valve seat insert 8 is the graphite circle, makes upper-mounting type ball valve of the present invention have good sealability.
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, refer to Fig. 1, Fig. 3, on embodiment one basis, the outer end of the side that 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 screw 26, the effect of chamfering be in the situation that movable plug screw 27 be removed can be by valve seat support ring 7 top from valve ball 15 during the special-purpose metal bar is stretched into to screw 26, conveniently valve ball 15 is packed into or taken out, and then the device of valve body 1 inside all can be taken out, realize rapid-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, the structure that the part of valve body 1 and valve seat support ring 7 butts is a similar one-level step, 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 by 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 move a certain distance, projection 71 offsets with the median surface of one-level ledge structure, 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 valve body greasing hole 281, one valve body grease pouring valves 28 on valve body 1 in the present embodiment position corresponding with spring 4 and be arranged on valve body greasing hole 281, for by 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, refer to Fig. 1, Fig. 4, on the basis of above-described embodiment, 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 be complementary with upper spindle nose, the bottom of valve seat 1 is provided with a Lower shaft sleeve 9 be complementary with lower spindle nose 34, the upper spindle nose 35 of valve ball 15 is placed in Upper shaft sleeve, the lower spindle nose 34 of valve ball 15 is placed in Lower shaft sleeve 9, be used for realizing the reliable location of valve ball 15 in valve body 1.
Offer a rectangle axis hole 36 on upper spindle nose 35 in the present embodiment, the lower end of one valve rod 16 is provided with the rectangle spindle nose be complementary with rectangle axis hole 36, offer a valve rod axis hole on valve gap 22, valve rod 16 is through the valve rod axis hole, the rectangle spindle nose of valve rod 16 is placed in rectangle axis hole 36, closely engage with rectangle axis hole 36, by valve rod 16, realize that valve ball 15 increases the reliability and stability of valve ball 15 in valve body 1 interior location when rotating.
Offer a valve gap greasing hole 211 on 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 valve gap greasing hole 211.
The bottom of the valve body in the present embodiment is provided with a bottom 11, be provided with an adjustment axle 13 between the bottom of bottom 11 and valve ball 15, adjust axle 13 and be provided with a plurality of adjustment Simmer rings 12, adjustment axle 13 is set and can finely tunes the distance between valve ball 15 and 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 pollutant exhaust hole 141, meeting a small amount of dirt of accumulation bottom valve body after upper-mounting type ball valve of the present invention works long hours, arrange pollutant exhaust hole 141 and blowdown valve 14 can be discharged dirt.
Valve gap 22 in the present embodiment is provided with an exhaust port 231, is provided with an outlet valve 23 in exhaust port 231, can open outlet valve 23 while needing and carry out exhaust.
In sum, upper-mounting type ball valve of the present invention has solved upper-mounting type ball valve in the prior art and can't cause valve seat support ring and valve ball can't realize the problem of excellent sealing by Regulation spring elastic force, by the valve seat adjustment ring being set between valve body and spring and the power that retention mechanism applies on spring the valve seat support ring being set, adjusted, the power namely the valve seat support ring is applied on valve ball is adjusted, and then realizes the excellent sealing between valve seat support ring and valve ball.
Above specific embodiments of the invention be have been 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 alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (7)
1. a upper-mounting type ball valve, comprise: one is arranged on the valve ball in valve body, at least one side in described valve body is equipped with a valve seat support ring and offsets with described valve ball, it is characterized in that, between the described valve seat support ring outside and described valve interior wall, be provided with at least one for clamping the spring of described valve seat support ring, one retention mechanism is connected with described spring, for the elastic force from the described spring of the outside adjusting of described valve body; Described retention mechanism comprises: a valve seat adjustment ring is arranged between described spring and described valve interior wall; One adjusting nut, through a screw be arranged on described valve body, with a sliding axle, be connected, 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 be complementary with described upper-end surface, make described valve seat adjustment ring slide along described valve interior wall, to regulate the elastic force of described spring; 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 a Upper shaft sleeve be complementary with described upper spindle nose, and the bottom of described valve seat is provided with a Lower shaft sleeve be complementary with described lower spindle nose; Offer a rectangle axis hole on described upper spindle nose, the lower end of one valve rod is provided with the rectangle spindle nose be complementary with described rectangle axis hole, offer a valve rod axis hole on described valve gap, described valve rod is through described valve rod axis hole, and the rectangle spindle nose of described valve rod is placed in described rectangle axis hole.
2. upper-mounting type ball valve according to claim 1, is characterized in that, described valve seat support ring has two, is arranged on respectively the both sides that described valve ball is relative, and described two valve seat support rings are placed in respectively between two communication port and described valve ball of described valve body.
3. 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 described screw.
4. 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 described valve body greasing hole.
5. 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 an adjustment axle between the bottom of described bottom and described valve ball, and described adjustment axle is provided with a plurality of adjustment Simmer rings.
6. according to the arbitrary described upper-mounting type ball valve of claim 1～3, it is characterized in that, between described valve seat support ring and described valve ball, be provided with valve seat insert.
7. according to the arbitrary described upper-mounting type ball valve of claim 1～5, it is characterized in that, a side of the bottom of described valve body offers at least one pollutant exhaust hole, and blowdown valve is arranged on 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 CN101956839A (en) | 2011-01-26 |
| CN101956839B true CN101956839B (en) | 2013-12-04 |
Family
ID=43484350
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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014516146A (en) * | 2011-06-08 | 2014-07-07 | ブレイ・インターナショナル・インコーポレイテッド | Float ball valve with in-line repairable metal valve seat |
| KR101156108B1 (en) * | 2012-01-27 | 2012-06-20 | 주식회사 화성 | Contact pressure adjusting 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 |
| CN110425298B (en) * | 2019-07-31 | 2021-03-16 | 固安沃克流体控制有限公司 | Top-mounted ball valve |
| CN114165615B (en) * | 2022-01-19 | 2023-12-08 | 瓯球阀门有限公司 | Top-mounted ball valve |
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 (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 |
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| Publication number | Publication date |
|---|---|
| CN101956839A (en) | 2011-01-26 |
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