CN114278747A - Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method - Google Patents
Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method Download PDFInfo
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- CN114278747A CN114278747A CN202210075295.3A CN202210075295A CN114278747A CN 114278747 A CN114278747 A CN 114278747A CN 202210075295 A CN202210075295 A CN 202210075295A CN 114278747 A CN114278747 A CN 114278747A
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- valve
- valve body
- gate valve
- effectively reducing
- valve rod
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Abstract
The invention discloses a screw mouth soft sealing gate valve capable of effectively reducing fluid resistance and a using method thereof, wherein the gate valve comprises a valve body and a valve cover, the valve cover is arranged at the upper end part of the valve body, a limiting sleeve is arranged at the upper part of the inner wall of the valve cover, a valve rod is sleeved in the limiting sleeve, a limiting block is fixedly arranged on the valve rod, and the limiting block is contacted with the upper end surface of the limiting sleeve; the bottom of valve gap is fixed and is provided with the restraint dish, and restraint hole has been seted up at restraint dish middle part, and the valve rod is worn to establish through restraint hole, and the upper end of valve rod is connected with the carousel, and the lower tip is connected with the valve plate. According to the invention, the sealing performance of the valve body is improved by arranging the restraint disc, the limiting sleeve and the limiting block, the turnplate is in a bolt connection mode, so that the use of the gate valve is convenient to manage, the maintenance convenience of the gate valve is improved by arranging the mounting flange and the valve cover in a detachable mounting mode of the hexagon socket head cap screw, the flow resistance coefficient is reduced by adopting a flat-bottom valve seat design which is the same as that of a water pipe at the bottom and coating the epoxy resin coating, and the anti-rust capability and the service life are improved.
Description
Technical Field
The invention relates to the technical field of a threaded soft seal gate valve, in particular to a threaded soft seal gate valve capable of effectively reducing fluid resistance and a using method thereof.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate by flowing or stopping a medium in a pipe or a device;
the soft sealing gate valve, industrial valve, the opening and closing part of the soft sealing gate valve is a flashboard, the movement direction of the flashboard is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled, the opening and closing part of the soft sealing gate valve is a flashboard, the movement direction of the flashboard is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled. The gate has two sealing surfaces which form a wedge shape in the most common mode gate valves. In the control of fluid pipelines, gate valves are used to achieve fluid interception and control.
However, the existing soft seal gate valve needs to be disassembled from a conveying pipeline for maintenance, so that normal pipeline conveying is affected, and inconvenience is caused due to too long maintenance time; in addition, current gate valve is along with the valve rod constantly rotates, when using the carousel to rotate the valve rod, has the long-time back of using of power that pushes down to the valve rod, and the displacement can take place for the valve rod, causes the valve plate of valve rod lower part and the inside frictional force increase of gate valve, influences the life of gate valve, and the material resistance coefficient in the gate valve intracavity is big moreover, influences the conveying efficiency of pipeline medium.
Therefore, the threaded soft seal gate valve capable of effectively reducing the fluid resistance is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a soft seal gate valve with a threaded opening, which can effectively reduce the fluid resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a threaded soft seal gate valve capable of effectively reducing fluid resistance comprises a valve body and a valve cover, wherein the valve cover is arranged at the upper end of the valve body, a limiting sleeve is arranged on the upper portion of the inner wall of the valve cover, a valve rod is sleeved in the limiting sleeve, a limiting block is fixedly arranged on the valve rod, and the limiting block is in contact with the upper end face of the limiting sleeve; the valve comprises a valve cover and a valve rod, and is characterized in that a constraint disc is fixedly arranged at the bottom of the valve cover, a constraint hole is formed in the middle of the constraint disc, the valve rod penetrates through the constraint hole, the upper end of the valve rod is connected with a rotary disc, and the lower end of the valve rod is connected with a valve plate.
Preferably, the top of the valve rod is provided with a thread groove, a bolt is assembled in the thread groove, and the rotary disc and the valve rod are fixed through the bolt.
Preferably, the valve plate surface vulcanizes there is the silica gel layer, and the mounting groove has been seted up to the upper end of valve plate, the valve rod with mounting groove swing joint.
Preferably, the upper end of the valve body is provided with a mounting flange, and the mounting flange and the bottom end of the valve cover are provided with socket head cap screws.
Preferably, the two ends of the valve body are provided with threaded connection screw ports, the threaded connection screw ports are in threaded connection with an external pipeline, and the bottom of the valve body cavity of the valve body and the bottom of the pipeline of the external pipeline are located on the same plane.
Preferably, the inner surface and the outer surface of the valve body are both coated with epoxy resin coatings.
Preferably, the use method of the screw soft seal gate valve for effectively reducing the fluid resistance comprises the following steps:
s1, gate valve inspection: firstly, packaging and opening a valve body, checking a delivery label and a qualification certificate of the valve body, further checking whether the internal and external structures, the paint surfaces of the internal and external surfaces and the epoxy resin coating of the valve body are defective or not after the delivery is qualified, and replacing the qualified valve body in time for installation if the defects or the unsmooth operation of parts and the like occur;
s2, gate valve installation: connecting the threaded connection screw ports at the two ends of the valve body with an external pipeline, enabling the bottom of the valve body cavity of the valve body and the bottom of the external pipeline to be positioned on the same plane, inserting a bolt into a threaded groove after penetrating through a through hole in the middle of the rotary table, and screwing the bolt so as to fix the rotary table and the valve rod;
s3, use of gate valve: according to the use requirement, the rotary disc is rotated to enable the valve rod to drive the valve plate to rotate, and the interception and control of the fluid in the external pipeline are realized.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the valve rod can be kept stable constantly by arranging the constraint disc, the limiting sleeve and the limiting block, so that the friction loss caused by the shaking valve plate of the valve rod is avoided, and the sealing property of the valve body is improved;
2. according to the gate valve, the turntable is fixed with the valve rod in a bolt connection mode, so that the gate valve is prevented from being operated by people in the leisure society at will, normal conveying of pipelines is guaranteed, and the gate valve is convenient to manage;
3. according to the gate valve, the mounting flange and the valve cover are detachably mounted by the inner hexagon screws, so that the gate valve can be maintained without being detached from the conveying pipeline, and the maintenance convenience of the gate valve is improved;
4. according to the invention, the bottom of the valve body cavity of the valve body is designed to be in the same plane with the bottom of the pipeline of the external pipeline, and the inner surface and the outer surface of the valve body are coated with the epoxy resin coating, so that the flow resistance coefficient of the valve body is reduced, the medium circulation efficiency in the gate valve is improved, and the anti-rust capability and the service life of the gate valve are further improved.
Drawings
Fig. 1 is a schematic side view of a soft seal gate valve with a threaded opening for effectively reducing fluid resistance according to the present invention;
fig. 2 is a schematic front sectional view of a soft seal gate valve with a threaded opening for effectively reducing fluid resistance according to the present invention.
The reference numbers in the figures: 10. a valve body; 11. a valve plate; 12. a silica gel layer; 13. mounting grooves; 14. connecting a pipeline externally; 15. the bottom of the valve body cavity; 16. the screw thread is connected with a screw opening; 20. a valve cover; 21. a limiting sleeve; 22. a valve stem; 23. a limiting block; 24. a turntable; 25. a bolt; 26. installing a flange; 27. a constrainer disc; 28. a constraint hole; 29. a socket head cap screw; 30. a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b):
referring to fig. 1 and 2, a screw soft seal gate valve capable of effectively reducing fluid resistance comprises a valve body 10 and a valve cover 20, wherein the valve cover 20 is arranged at the upper end of the valve body 10, a limiting sleeve 21 is arranged on the upper portion of the inner wall of the valve cover 20, a valve rod 22 is sleeved in the limiting sleeve 21, the upper end of the valve rod 22 is connected with a rotary disc 24, the lower end of the valve rod 22 is connected with a valve plate 11, a limiting block 23 is fixedly arranged on the valve rod 22, the limiting block 23 is in contact with the upper end face of the limiting sleeve 21, a thread groove 30 is formed in the top of the valve rod 22, a bolt 25 matched with the thread groove 30 is arranged in the thread groove 30, the rotary disc 24 and the valve rod 22 are fixed through the bolt 25, specifically, the bolt 25 penetrates through a through hole in the middle of the rotary disc 24 and then is inserted into the thread groove 30, the bolt 25 is screwed, so that the rotary disc 24 and the valve rod 22 are fixed, and the mode can be used according to the environment, for example, when the gate valve is used in an unattended area, the rotary disc 24 can be detached from the valve body 10 after debugging is completed, and the rotary disc 24 is mounted when the gate valve needs to be operated, so that the influence on normal conveying of a pipeline caused by random operation of the gate valve by people in the leisure of the society is avoided.
It should be noted that the silica gel layer 12 is vulcanized on the outer surface of the valve plate 11, the silica gel layer 12 effectively reduces the resistance when the medium flows, and the silica gel layer 12 is integrally encapsulated on the outer surface of the valve plate 11, so that a certain deformation compensation effect can be generated, the gate valve can achieve a good sealing effect, and the problems of poor sealing, water leakage and rusting of a common gate valve are solved; the upper end of the valve plate 11 is provided with an installation groove 13, the valve rod 22 is movably connected with the installation groove 13, and the valve rod 22 and the installation groove 13 can adopt an insertion or jackscrew connection mode, so that the valve rod 22 can be conveniently taken out of the installation groove 13; the bottom of the valve cover 20 is fixedly provided with a constraint disk 27, the outer edge of the constraint disk 27 is arranged along the inner wall of the valve cover 20, the constraint disk 27 has a good supporting effect on the valve cover 20, and the bearing capacity of the valve cover 20 is improved; in addition, the middle of the constraint disk 27 is further provided with a constraint hole 28, the constraint hole 28 is the same as a surface area enclosed by the outer circumference of the valve rod 22, the constraint hole 28 is slightly larger than the enclosed surface area, and the valve rod 22 penetrates through the constraint hole 28, so that the valve rod 22 can smoothly rotate in the constraint hole 28 without swinging, the stability of the valve plate 11 at the bottom of the valve rod 22 is ensured, the valve plate is kept stable by large impact force in the medium flowing process, no swinging occurs, the friction loss of the silica gel layer 12 outside the valve plate 11 is avoided, and the sealing performance of the gate valve is further ensured.
It is worth mentioning that, in order to facilitate the dismantlement maintenance to the gate valve, be provided with mounting flange 26 in valve body 10 upper end, mounting flange 26 with the bottom of valve gap 20 is provided with hexagon socket head cap screw 29, and this gate valve's valve body 10 can dismantle with valve gap 20 promptly, and valve rod 22 or other seal assembly in the valve gap 20 take place when damaging, and the accessible is unloaded hexagon socket head cap screw 29 and is taken off valve gap 20, reaches and maintains or change the part in the valve gap 20 under the prerequisite of not dismantling valve body 10, very big improvement maintenance efficiency, and can not exert an influence to normal pipe-line transportation.
The two ends of the valve body 10 are provided with threaded connection screw ports 16, the threaded connection screw ports 16 are in threaded connection with an external pipeline 14, and the bottom 15 of the valve body cavity of the valve body 10 and the bottom of the external pipeline 14 are positioned on the same plane, so that the resistance borne by a pipeline conveying medium when the pipeline conveying medium flows through the gate valve is greatly reduced, residues of the conveying medium cannot be left on the bottom 15 of the valve body cavity, the pipeline conveying efficiency is improved, and the gate valve is prevented from being blocked; in order to further improve the medium circulation efficiency of the gate valve, reduce the flow resistance coefficient and improve the anti-rust capacity of the valve body 10, the inner surface and the outer surface of the valve body 10 are coated with epoxy resin coatings, the epoxy resin coatings are strong in abrasion resistance and lustrousness and good in pressure resistance and chemical resistance, the inner surface and the outer surface of the valve body 10 are coated with the epoxy resin coatings, so that the flow resistance coefficient is reduced, the medium circulation efficiency of the gate valve is improved, and the anti-rust capacity of the gate valve is further improved.
The use method of the screw soft seal gate valve capable of effectively reducing the fluid resistance comprises the following steps:
s1, gate valve inspection: firstly, packaging and opening the valve body 10, checking a delivery label and a qualification certificate of the valve body 10, further checking whether the internal and external structures of the valve body 10, the paint surfaces of the internal and external surfaces and the epoxy resin coating are defective or not after the delivery is qualified, and replacing the qualified valve body 10 in time for installation if the defects or the unsmooth operation of components and other problems occur;
s2, gate valve installation: connecting the threaded connection screw ports 16 at two ends of the valve body 10 with the external pipeline 14, enabling the bottom 15 of the valve body cavity of the valve body 10 and the bottom of the external pipeline 14 to be positioned on the same plane, inserting the bolt 25 into the threaded groove 30 after penetrating through the through hole in the middle of the rotary disc 24, and screwing the bolt 25 so as to fix the rotary disc 24 and the valve rod 22;
s3, use of gate valve: according to the use requirement, the rotary disc 24 is rotated to enable the valve rod 22 to drive the valve plate 11 to rotate, so that the interception and control of the fluid in the external pipeline 14 are realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The screw soft seal gate valve capable of effectively reducing the fluid resistance comprises a valve body (10) and a valve cover (20), and is characterized in that the valve cover (20) is arranged at the upper end part of the valve body (10), a limiting sleeve (21) is arranged on the upper part of the inner wall of the valve cover (20), a valve rod (22) is sleeved in the limiting sleeve (21), a limiting block (23) is fixedly arranged on the valve rod (22), and the limiting block (23) is in contact with the upper end face of the limiting sleeve (21); the fixed restraint dish (27) that is provided with in bottom of valve gap (20), restraint hole (28) have been seted up at restraint dish (27) middle part, valve rod (22) wear to establish through restraint hole (28), the upper end of valve rod (22) is connected with carousel (24), and the lower tip is connected with valve plate (11).
2. The screw soft seal gate valve capable of effectively reducing the fluid resistance as claimed in claim 1, wherein a threaded groove (30) is formed at the top of the valve rod (22), a bolt (25) is assembled in the threaded groove (30), and the rotary disc (24) and the valve rod (22) are fixed through the bolt (25).
3. The soft seal gate valve with the threaded opening capable of effectively reducing the fluid resistance as claimed in claim 1, wherein a silica gel layer (12) is vulcanized on the outer surface of the valve plate (11), an installation groove (13) is formed in the upper end of the valve plate (11), and the valve rod (22) is movably connected with the installation groove (13).
4. The soft sealing gate valve with the threaded opening for effectively reducing the fluid resistance as claimed in claim 1, wherein a mounting flange (26) is arranged at the upper end of the valve body (10), and socket head cap screws (29) are arranged at the bottom ends of the mounting flange (26) and the valve cover (20).
5. The soft seal gate valve with the screw thread capable of effectively reducing the fluid resistance as claimed in claim 4, wherein the valve body (10) is provided with a screw thread connection screw port (16) at both ends, the screw thread connection screw port (16) is in screw connection with an external pipeline (14), and the bottom (15) of the valve body cavity of the valve body (10) and the bottom of the pipeline of the external pipeline (14) are located on the same plane.
6. The gate valve with the screw soft seal for effectively reducing the fluid resistance as claimed in claim 5, wherein the inner and outer surfaces of the valve body (10) are coated with epoxy resin.
7. The use method of the screw soft seal gate valve for effectively reducing the fluid resistance according to any one of claims 1 to 6, wherein the method comprises the following steps:
s1, gate valve inspection: firstly, packaging and opening the valve body (10), checking a delivery label and a qualification certificate of the valve body (10), further checking whether the internal and external structures, the paint surfaces of the internal and external surfaces and the epoxy resin coating of the valve body (10) are defective or not after the delivery is qualified, and replacing the qualified valve body (10) for installation if the defects or the unsmooth operation of components occurs;
s2, gate valve installation: connecting threaded connection screw ports (16) at two ends of a valve body (10) with an external pipeline (14), enabling the bottom (15) of a valve body cavity of the valve body (10) and the bottom of the external pipeline (14) to be located on the same plane, inserting a bolt (25) into a threaded groove (30) after penetrating through a through hole in the middle of a rotary disc (24), and screwing the bolt (25) so as to fix the rotary disc (24) and a valve rod (22);
s3, use of gate valve: according to the use requirement, the rotary disc (24) is rotated to enable the valve rod (22) to drive the valve plate (11) to rotate, so that the interception and control of the fluid in the external pipeline (14) are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075295.3A CN114278747A (en) | 2022-01-22 | 2022-01-22 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075295.3A CN114278747A (en) | 2022-01-22 | 2022-01-22 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114278747A true CN114278747A (en) | 2022-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210075295.3A Pending CN114278747A (en) | 2022-01-22 | 2022-01-22 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114278747A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557532U (en) * | 1992-01-08 | 1993-07-30 | 株式会社栗本鐵工所 | Gate valve |
| KR200257082Y1 (en) * | 2001-09-24 | 2001-12-29 | 이종대 | Valve for water supply |
| CN2586020Y (en) * | 2002-12-03 | 2003-11-12 | 洪福财 | Environmental protection flexible soft sealed centitheft gate valve |
| CN202118344U (en) * | 2011-06-03 | 2012-01-18 | 江苏竹箦阀业有限公司 | Connection sluice valve for iron threads |
| CN207673883U (en) * | 2017-12-30 | 2018-07-31 | 正丰阀门集团有限公司 | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring |
| CN209213047U (en) * | 2018-11-21 | 2019-08-06 | 潍坊竣通机械配套有限公司 | A kind of plough groove type fire-fighting signal gate valve |
| CN210566356U (en) * | 2019-07-10 | 2020-05-19 | 杭州全泰机电设备有限公司 | Reliable anti-leakage gate valve |
| CN211550580U (en) * | 2019-12-05 | 2020-09-22 | 丽水斯帕克阀门有限公司 | High-temperature-resistant locking elastic seat seal gate valve with opening indication function |
| CN113357385A (en) * | 2021-08-11 | 2021-09-07 | 江苏奥威机械有限公司 | Gate valve capable of preventing sealing surface from being scratched during opening and closing |
| CN214789534U (en) * | 2020-12-14 | 2021-11-19 | 兴化市新华龙不锈钢制品有限公司 | Stainless steel pipeline with flow limiting function |
-
2022
- 2022-01-22 CN CN202210075295.3A patent/CN114278747A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557532U (en) * | 1992-01-08 | 1993-07-30 | 株式会社栗本鐵工所 | Gate valve |
| KR200257082Y1 (en) * | 2001-09-24 | 2001-12-29 | 이종대 | Valve for water supply |
| CN2586020Y (en) * | 2002-12-03 | 2003-11-12 | 洪福财 | Environmental protection flexible soft sealed centitheft gate valve |
| CN202118344U (en) * | 2011-06-03 | 2012-01-18 | 江苏竹箦阀业有限公司 | Connection sluice valve for iron threads |
| CN207673883U (en) * | 2017-12-30 | 2018-07-31 | 正丰阀门集团有限公司 | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring |
| CN209213047U (en) * | 2018-11-21 | 2019-08-06 | 潍坊竣通机械配套有限公司 | A kind of plough groove type fire-fighting signal gate valve |
| CN210566356U (en) * | 2019-07-10 | 2020-05-19 | 杭州全泰机电设备有限公司 | Reliable anti-leakage gate valve |
| CN211550580U (en) * | 2019-12-05 | 2020-09-22 | 丽水斯帕克阀门有限公司 | High-temperature-resistant locking elastic seat seal gate valve with opening indication function |
| CN214789534U (en) * | 2020-12-14 | 2021-11-19 | 兴化市新华龙不锈钢制品有限公司 | Stainless steel pipeline with flow limiting function |
| CN113357385A (en) * | 2021-08-11 | 2021-09-07 | 江苏奥威机械有限公司 | Gate valve capable of preventing sealing surface from being scratched during opening and closing |
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