CN102252108A - Novel hard seal gate valve - Google Patents
Novel hard seal gate valve Download PDFInfo
- Publication number
- CN102252108A CN102252108A CN2011102005557A CN201110200555A CN102252108A CN 102252108 A CN102252108 A CN 102252108A CN 2011102005557 A CN2011102005557 A CN 2011102005557A CN 201110200555 A CN201110200555 A CN 201110200555A CN 102252108 A CN102252108 A CN 102252108A
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- China
- Prior art keywords
- flashboard
- valve body
- chute
- hard seal
- sealing
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Abstract
The invention discloses a novel hard seal gate valve which comprises a valve body and a gate plate which is arranged in the valve body; the valve body is internally provided with a medium channel; two seal ring surfaces are arranged on the medium channel in the valve body; the gate plate is provided with two seal surfaces which respectively correspond to the seal ring surfaces; the gate plate moves up and down in the valve body so that the seal surfaces and the seal ring surfaces are jointed or separated to close or open the medium channel; and the valve body is internally provided with a limit structure which limits the horizontal movement of the gate plate. The seal gate valve provided by the invention has the advantages of simple structure and low cost, is convenient to manufacture, after the limit structure is added, the horizontal swing of the gate plate in the gating process can be reduced, and the sealing property of the joint between the seal surfaces and the seal ring surfaces is improved greatly.
Description
Technical field
The present invention relates to valve, particularly a kind of novel hard seal gate valve.
Background technique
The working principle of gate valve: gate valve is meant the valve that flashboard moves along the Vertical direction of valve rod.Gate valve can only make standard-sized sheet in pipeline and complete shut-down is intercepted usefulness, can not do to regulate and throttling.Gate valve is as using by medium, and its medium comprises water, oil, and steam makes the handwheel actuate valve stem make flashboard press to valve body sealing surface by force to the transmission of flashboard by certain external power when work, to guarantee the sealing of sealing surface.Flashboard generally is used for the operating mode of standard-sized sheet or full cut-off, is not suitable for as regulating or the throttling use.
Existing a kind of gate valve be by be located at respectively on the flashboard both sides with vertical plane between angle to be small angle such as 3 ° sealing surface and two sealing surfaces in the valve body push to contact by force reaches sealing effect.This class gate valve product the simulation pipeline pressure flow to the Pressure testing state under, when ventilating, valve wide open supports the air pressure of the continuous 0.6MPa of feeding from valve one, throttle down then, observe valve from the valve the other end whether leakage phenomenon is arranged, if the sealing pair of flashboard and valve body is zero leakage in 10 minutes, then product is qualified, otherwise is substandard products.And in these existing gate valve products, often having following defective: there is a little burr at flashboard sealing surface edge after processing, can cause sealing surface on flashboard and the valve body to have when the flashboard lock is gone into valve body sealing surface slightly to damage, and so just may cause leaking; Because the sealing surface on flashboard and the valve body is on same plane, in the process of processing, deviation and sealing surface out-of-flatness are arranged because of manufacturing tolerance causes the sealing surface angle, in valve complete shut-down process, cause valve leak because of not remedying deviation; Because of machining deviation, it is eccentric to cause the flashboard lock to be gone in the process of valve body sealing surface in closing closed procedure for valve, does not cause the valve body sealing surface lock to be hindered on a face when each lock is gone into valve body sealing surface and leaks.
Summary of the invention
Problem to be solved by this invention just provides a kind of novel hard seal gate valve, and is simple in structure, easy to make, with low cost, good sealing effect, the requirements at the higher level of sealability when satisfying high-end customer valve being used.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: a kind of novel hard seal gate valve, comprise valve body and the flashboard that is located in the valve body, be provided with medium channel in the valve body, in valve body, be positioned at and be provided with two sealing anchor rings on the medium channel, it is corresponding one by one with the sealing anchor ring respectively that flashboard is provided with two sealing surfaces, flashboard moves up and down in valve body and makes sealing surface engage or separate with the sealing anchor ring to make medium channel cut out or open, it is characterized in that: be provided with the limit structure that the restriction flashboard laterally moves in valve body.
Further, described limit structure comprises the gliding mass that at least one is located at the chute between valve body and the flashboard and slides in chute, and chute moves up and down the direction setting along flashboard.Increase limit structure, can reduce the flashboard lock and go into swing horizontal in the process, improve the sealing that sealing surface engages with the sealing anchor ring.
Further, described chute is located on the side that sealing surface is not set on the flashboard, and gliding mass is located on the inwall corresponding with chute in the valve body.
Further, described chute is located on the inwall that the sealing anchor ring is not set in the valve body, and gliding mass is located on the side corresponding with chute on the flashboard.
Further, described chute and gliding mass are not less than the stroke that flashboard moves up and down in the length sum that flashboard moves up and down on the direction.Guarantee in the flashboard working procedure, to be in the cross spacing state.
Further, be provided with slide plate in the described chute, gliding mass is provided with the stria corresponding with slide plate, and stria moves up and down the direction setting along flashboard.Be further to improve limit effect like this, further reduce the flashboard lock and go into swing horizontal in the process, improve the sealing that sealing surface engages with the sealing anchor ring more.
Further, described sealing anchor ring is provided with misconstruction.
Further, described misconstruction comprises the ring-shaped step that is located on the sealing anchor ring, and the side of ring-shaped step radially slopes inwardly along the sealing anchor ring.Increase the elasticity that sealing surface and sealing anchor ring engage, the difference that there is the out-of-flatness phenomenon on angle cooperation in the correction course of working between sealing surface and the sealing anchor ring and surface reaches better sealing effect thereby flashboard is cooperated with valve body.
Further, described flashboard bottom is provided with transition structure.
Further, described transition structure is the circular arc chamfering transition that is located between sealing surface and the flashboard bottom end.Rounding is carried out in edges and corners, sealing surface of the discharge gate edge, solved, influence sealability, guarantee the sealing effect of sealing anchor ring because of flashboard sealing surface edge corner angle burr scratch valve seal anchor ring.
After adopting technique scheme, the present invention has following advantage: reduce the flashboard lock and go into swing horizontal in the process, increase the elasticity that sealing surface engages with the sealing anchor ring, angle in the correction course of working between sealing surface and the sealing anchor ring cooperates and the surperficial difference that the out-of-flatness phenomenon is arranged, solved because of flashboard sealing surface edge corner angle burr scratch valve seal anchor ring, improve the sealability of gate valve greatly, be implemented in the leak free requirement of gate valve in 10 minutes.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation of valve inner;
Fig. 3 be among Fig. 2 B-B to sectional view;
Fig. 4 is chute and gliding mass cooperating structure schematic representation;
Fig. 5 is an A place enlarged view among Fig. 1.
Embodiment
The structural representation of an embodiment of the present invention shown in Fig. 1 to 5, a kind of novel hard seal gate valve, comprise valve body 1 and the flashboard 2 that is located in the valve body, be provided with medium channel 10 in the valve body, in valve body, be positioned at and be provided with two sealing anchor rings 11 on the medium channel, it is corresponding one by one with the sealing anchor ring respectively that flashboard is provided with two sealing surfaces 21, flashboard moves up and down in valve body and makes sealing surface engage or separate with the sealing anchor ring to make medium channel cut out or open, be provided with the limit structure that the restriction flashboard laterally moves in valve body.
Described limit structure comprises the gliding mass 4 that at least one is located at the chute 3 between valve body and the flashboard and slides in chute, chute moves up and down the direction setting along flashboard.In the present embodiment, chute is located on two sides that sealing surface is not set on the flashboard, and gliding mass is located on the inwall corresponding with chute in the valve body, and the variation quantitatively of chute and gliding mass does not repeat them here.Chute and gliding mass are not less than the stroke that flashboard moves up and down in the length sum that flashboard moves up and down on the direction.Be provided with slide plate 31 in the chute, gliding mass is provided with the stria corresponding with slide plate 41, and stria moves up and down the direction setting along flashboard.
Described sealing anchor ring is provided with misconstruction, and described misconstruction comprises the ring-shaped step 12 that is located on the sealing anchor ring, and the side of ring-shaped step radially slopes inwardly along the sealing anchor ring.The size of ring-shaped step is less, and for performance structure has adopted the exaggerative technique of painting, in this enforcement, ring-shaped step is provided with one, and two or more can certainly be set in Figure of description.
Be provided with transition structure in the flashboard bottom in addition, in the present embodiment, described transition structure is preferably circular arc chamfering 22 transition that are located between sealing surface and the flashboard bottom end.Can certainly select other as transition structures such as 45 degree chamferings, elliptic arc chamferings.
In the foregoing description, chute also can be located on the inwall that the sealing anchor ring is not set in the valve body, and gliding mass is located on the side corresponding with chute on the flashboard.
Except that above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (10)
1. novel hard seal gate valve, comprise valve body (1) and be located at flashboard (2) in the valve body, be provided with medium channel (10) in the valve body, in valve body, be positioned at and be provided with two sealing anchor rings (11) on the medium channel, it is corresponding one by one with the sealing anchor ring respectively that flashboard is provided with two sealing surfaces (21), flashboard moves up and down in valve body and makes sealing surface engage or separate with the sealing anchor ring to make medium channel cut out or open, it is characterized in that: be provided with the limit structure that the restriction flashboard laterally moves in valve body.
2. a kind of novel hard seal gate valve according to claim 1 is characterized in that: described limit structure comprises the gliding mass (4) that at least one is located at the chute (3) between valve body and the flashboard and slides in chute, chute moves up and down the direction setting along flashboard.
3. a kind of novel hard seal gate valve according to claim 2, it is characterized in that: described chute is located on the side that sealing surface is not set on the flashboard, and gliding mass is located on the inwall corresponding with chute in the valve body.
4. a kind of novel hard seal gate valve according to claim 2 is characterized in that: described chute is located on the inwall that the sealing anchor ring is not set in the valve body, and gliding mass is located on the side corresponding with chute on the flashboard.
5. according to claim 2,3 or 4 described a kind of novel hard seal gate valves, it is characterized in that: described chute and gliding mass are not less than the stroke that flashboard moves up and down in the length sum that flashboard moves up and down on the direction.
6. a kind of novel hard seal gate valve according to claim 5 is characterized in that: be provided with slide plate (31) in the described chute, gliding mass is provided with the stria corresponding with slide plate (41), and stria moves up and down the direction setting along flashboard.
7. a kind of novel hard seal gate valve according to claim 1, it is characterized in that: described sealing anchor ring is provided with misconstruction.
8. a kind of novel hard seal gate valve according to claim 7 is characterized in that: described misconstruction comprises the ring-shaped step (12) that is located on the sealing anchor ring, and the side of ring-shaped step radially slopes inwardly along the sealing anchor ring.
9. a kind of novel hard seal gate valve according to claim 1, it is characterized in that: described flashboard bottom is provided with transition structure.
10. a kind of novel hard seal gate valve according to claim 9 is characterized in that: described transition structure is circular arc chamfering (22) transition that is located between sealing surface and the flashboard bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102005557A CN102252108A (en) | 2011-07-15 | 2011-07-15 | Novel hard seal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102005557A CN102252108A (en) | 2011-07-15 | 2011-07-15 | Novel hard seal gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102252108A true CN102252108A (en) | 2011-11-23 |
Family
ID=44979581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102005557A Pending CN102252108A (en) | 2011-07-15 | 2011-07-15 | Novel hard seal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102252108A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878338A (en) * | 2012-08-29 | 2013-01-16 | 铜陵艾纶纺织品有限责任公司 | Valve body capable of stopping valve clack from transversely moving |
| CN109307083A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment multi-functional valve |
| CN109307091A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of explosion-proof type valve of oil equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203443U (en) * | 1986-05-29 | 1986-12-03 | 王震 | Light gate valve |
| CN1444706A (en) * | 2000-07-26 | 2003-09-24 | 市场联合控股有限公司 | Valve |
| CN101012646A (en) * | 2006-12-15 | 2007-08-08 | 河海大学 | Convex bulkhead gate groove |
| CN201225437Y (en) * | 2008-07-17 | 2009-04-22 | 上海欧特莱阀门机械有限公司 | Gate valve |
| CN201554879U (en) * | 2009-12-17 | 2010-08-18 | 浙江正华阀门厂 | Gate valve |
| CN201568593U (en) * | 2009-12-29 | 2010-09-01 | 浙江泰丰阀门制造有限公司 | Wedge gate valve |
| CN201575179U (en) * | 2009-11-25 | 2010-09-08 | 宝鸡市春雨钛镍设备制造有限公司 | Gate valve |
| CN202188142U (en) * | 2011-07-15 | 2012-04-11 | 浙江盾安阀门有限公司 | Novel hard seal gate valve |
-
2011
- 2011-07-15 CN CN2011102005557A patent/CN102252108A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203443U (en) * | 1986-05-29 | 1986-12-03 | 王震 | Light gate valve |
| CN1444706A (en) * | 2000-07-26 | 2003-09-24 | 市场联合控股有限公司 | Valve |
| CN101012646A (en) * | 2006-12-15 | 2007-08-08 | 河海大学 | Convex bulkhead gate groove |
| CN201225437Y (en) * | 2008-07-17 | 2009-04-22 | 上海欧特莱阀门机械有限公司 | Gate valve |
| CN201575179U (en) * | 2009-11-25 | 2010-09-08 | 宝鸡市春雨钛镍设备制造有限公司 | Gate valve |
| CN201554879U (en) * | 2009-12-17 | 2010-08-18 | 浙江正华阀门厂 | Gate valve |
| CN201568593U (en) * | 2009-12-29 | 2010-09-01 | 浙江泰丰阀门制造有限公司 | Wedge gate valve |
| CN202188142U (en) * | 2011-07-15 | 2012-04-11 | 浙江盾安阀门有限公司 | Novel hard seal gate valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878338A (en) * | 2012-08-29 | 2013-01-16 | 铜陵艾纶纺织品有限责任公司 | Valve body capable of stopping valve clack from transversely moving |
| CN109307083A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of oil equipment multi-functional valve |
| CN109307091A (en) * | 2018-09-26 | 2019-02-05 | 河北博路天宝石油设备制造有限公司 | A kind of explosion-proof type valve of oil equipment |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111123 |
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| RJ01 | Rejection of invention patent application after publication |