CN212616318U - Wear-resistant and long-service-life corrugated pipe stop valve - Google Patents
Wear-resistant and long-service-life corrugated pipe stop valve Download PDFInfo
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- CN212616318U CN212616318U CN202020763515.8U CN202020763515U CN212616318U CN 212616318 U CN212616318 U CN 212616318U CN 202020763515 U CN202020763515 U CN 202020763515U CN 212616318 U CN212616318 U CN 212616318U
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Abstract
The utility model discloses a bellows stop valve of stand wear and tear high life, which comprises a valve body, the fixed baffle that is provided with in inner of valve body, the top center fixedly connected with connecting seat of valve body, the upper end of connecting seat is provided with the gland, the inner of gland has seted up the through-hole by lower extreme center department, the inner of gland has seted up movable groove by upper portion, the inside rotation in top center of gland is provided with rotates the seat, the upper end fixedly connected with carousel of rotating the seat, the bottom fixedly connected with screw rod of rotating the seat, movable groove the inner is provided with the valve rod, the upper end screw thread of valve rod cup joints in the screw rod outer end, the bottom of valve rod is run through-hole and connecting seat and. The utility model discloses a bellows stop valve of stand wear and tear high life, the frictional force between the valve rod in this bellows stop valve and the whole valve body is effectively reduced by balance spring for the life of whole device obtains improving.
Description
Technical Field
The utility model relates to a stop valve field especially relates to a bellows stop valve of stand wear and tear high life.
Background
The corrugated pipe stop valve is also called a corrugated pipe sealing stop valve, and a metal barrier is formed between a fluid medium and the atmosphere through automatic roll welding so as to ensure the design of zero leakage of the valve rod. The inside of the corrugated pipe stop valve adopts a corrugated pipe structure, the lower end of a stainless steel corrugated pipe is welded on the valve rod to prevent process fluid from corroding the valve rod, and the other end of the stainless steel corrugated pipe is arranged between the valve body and the valve cover to form a static seal.
Because hydraulic effect for can give ascending thrust of valve plate when opening of stop valve, thereby make valve rod relatively light when upwards moving, can give ascending resistance of valve plate when the closure of stop valve, it is harder when making the valve rod move down, thereby make the friction grow between valve rod and the valve body, improved the wearing and tearing of valve rod, reduced the life of whole valve, this problem can not be solved to current bellows stop valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a wear-resistant and long-life bellows stop valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a wear-resistant and long-life corrugated pipe stop valve comprises a valve body, wherein a partition plate is fixedly arranged at the inner end of the valve body, a connecting seat is fixedly connected with the top center of the valve body, a gland is arranged at the upper end of the connecting seat, a through hole is formed in the inner end of the gland by the center of the lower end, a movable groove is formed in the inner end of the gland by the upper part, a rotating seat is rotatably arranged in the top center of the gland, a turntable is fixedly connected with the upper end of the rotating seat, a screw rod is fixedly connected with the bottom end of the rotating seat, a valve rod is arranged at the inner end of the movable groove, the upper end thread of the valve rod is sleeved at the outer end of the screw rod, the bottom end of the valve rod penetrates through the through hole and the connecting seat to the inner end of the valve, the improved valve rod structure is characterized in that sliding grooves are formed in two side walls of the movable groove, the two sliding blocks slide in the two sliding grooves respectively, a balance spring is sleeved outside a rod body of the valve rod at the lower end of the guide plate, the upper end of the balance spring is fixedly connected to the lower end face of the guide plate, the lower end of the balance spring is fixedly connected to the bottom end face of the movable groove, a threaded pipe is arranged at the outer end of the rod body, located in the connecting seat, of the valve rod, the bottom end of the threaded pipe is fixedly connected to the upper end face of the valve plate, the upper end of the threaded pipe is arranged between.
As a further description of the above technical solution:
and a rubber sealing plug is fixedly arranged on the pipe body at one end of the threaded pipe close to the valve plate.
As a further description of the above technical solution:
the lower extreme of valve plate sets up to the toper form, and the lower terminal surface of valve plate leans on avris department to fix and is provided with the sealing gasket ring.
As a further description of the above technical solution:
the outer diameter of the rod body of the valve rod is matched with the inner diameter of the through hole.
As a further description of the above technical solution:
the connecting seat and the gland are fixedly connected through a plurality of connecting bolts.
The utility model discloses following beneficial effect has:
compared with the prior art, the stop valve is provided with a balance spring to connect the valve rod and the gland, the balance spring is in a tensioned state when the stop valve is closed, when the valve rod moves downwards, the balance spring can provide a downward force for the valve rod, and the downward force can be offset with the force applied by liquid in the valve body to the valve plate, so that the friction between the valve rod and the whole valve body is reduced, and the service life of the whole stop valve is prolonged; meanwhile, the bottom end of the valve plate of the device is arranged to be in a cone shape, so that the resistance of the valve plate in moving downwards can be reduced.
Compare in current device, the device's the lower extreme outside of bellows is provided with the rubber sealing plug, improvement whole valve body's that can be better leakproofness.
Drawings
Fig. 1 is a front view of a wear-resistant long-life bellows stop valve according to the present invention;
fig. 2 is a cross-sectional view of a wear-resistant long-life bellows stop valve provided by the present invention;
fig. 3 is a top view of the guide plate of the wear-resistant long-life bellows stop valve provided by the present invention.
Illustration of the drawings:
1. a valve body; 2. a screw; 3. a partition plate; 4. a connecting seat; 5. a gland; 6. a connecting bolt; 7. a through hole; 8. a movable groove; 9. a rotating seat; 10. a turntable; 11. a valve stem; 12. a guide plate; 13. a slider; 14. A chute; 15. a balance spring; 16. a valve plate; 17. a rubber sealing plug; 18. a threaded pipe; 19. a sealing gasket ring; 20. and (4) liquid passing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a wear-resistant and long-life corrugated pipe stop valve comprises a valve body 1, a partition plate 3 is fixedly arranged at the inner end of the valve body 1, a connecting seat 4 is fixedly connected at the top center of the valve body 1, a gland 5 is arranged at the upper end of the connecting seat 4, a through hole 7 is formed at the inner end of the gland 5 close to the center of the lower end, a movable groove 8 is formed at the inner end of the gland 5 close to the upper part, a rotating seat 9 is rotatably arranged inside the top center of the gland 5, a turntable 10 is fixedly connected at the upper end of the rotating seat 9, a screw rod 2 is fixedly connected at the bottom end of the rotating seat 9, a valve rod 11 is arranged at the inner end of the movable groove 8, the upper end of the valve rod 11 is in threaded sleeve connection with the outer end of the screw rod 2, the bottom end of the valve rod 11 penetrates through the through hole 7 and the connecting seat, runner 14 has all been seted up on the both sides wall of activity groove 8, two sliders 13 slide respectively in two runners 14, 11 pole body overcoat of valve rod of baffle 12 lower extreme is equipped with balance spring 15, balance spring 15 can balance when valve rod 11 reciprocates, the power of applying is given to valve plate 16 to water in the valve body 1, the upper end fixed connection of balance spring 15 is terminal surface under baffle 12, balance spring 15's lower extreme fixed connection is on the bottom face of activity groove 8, the pole body outer end that valve rod 11 is located connecting seat 4 is provided with screwed pipe 18, the bottom fixed connection of screwed pipe 18 is at valve plate 16 up end, the upper end of screwed pipe 18 sets up between connecting seat 4 and gland 5, liquid hole 20 has been seted up to the plate body center department of baffle 3.
The fixed rubber sealing plug 17 that is provided with on the body of pipe that screwed pipe 18 is close to the one end of valve plate 16, rubber sealing plug 17 can prevent liquid entering connecting seat 4 when the stop valve is opened in, the sealing performance of device has been improved, the lower extreme of valve plate 16 sets up to the cone form, this design can reduce the effort of liquid to valve plate 16, and the lower terminal surface of valve plate 16 leans on the fixed sealing backing ring 19 that is provided with of avris department, sealing backing ring 19 can improve valve plate 16 and cross the sealing performance between the liquid hole 20, the pole body external diameter of valve rod 11 cooperatees with the internal diameter size of through-hole 7, this design has guaranteed that valve rod 11 can not rock when the tilting, through many connecting bolt 6 fixed connection between connecting seat 4 and the gland 5.
The working principle is as follows: when the stop valve needs to be closed, the rotary disc 10 is rotated, the rotary disc 10 drives the screw rod 2 to rotate, the screw rod 2 rotates to drive the valve rod 11 to move downwards, the valve rod 11 moves downwards to drive the guide plate 12 to move downwards, and at the moment, the balance spring 15 is in a tensioning state, when the valve rod 11 moves downwards, the balance spring 15 can provide a downward force for the valve rod 11, the downward force can counteract with the force which is applied to the valve plate 16 by liquid in the valve body 1, so that the resistance is reduced when the valve rod 11 moves downwards, and the friction between the valve rod 11 and the screw rod 2 is reduced; in a similar way, when the stop valve needs to be opened, the rotating disc 10 is rotated to drive the valve rod 11 to move upwards, the balance spring 15 can provide a downward pulling force for the valve rod 11, the force can offset the force applied to the valve plate 16 by the liquid in the valve body 1, so that the pushing force disappears when the valve rod 11 moves upwards, and the friction between the valve rod 11 and the screw rod 2 is also reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a stand wear and tear high life's bellows stop valve, includes valve body (1), its characterized in that: the inner end of the valve body (1) is fixedly provided with a partition plate (3), the top center of the valve body (1) is fixedly connected with a connecting seat (4), the upper end of the connecting seat (4) is provided with a gland (5), the inner end of the gland (5) is provided with a through hole (7) by the lower end center, the inner end of the gland (5) is provided with a movable groove (8) by the upper part, the top center of the gland (5) is internally and rotatably provided with a rotating seat (9), the upper end of the rotating seat (9) is fixedly connected with a turntable (10), the bottom end of the rotating seat (9) is fixedly connected with a screw rod (2), the inner end of the movable groove (8) is provided with a valve rod (11), the upper end thread of the valve rod (11) is sleeved at the outer end of the screw rod (2), and the bottom end of the valve rod (11, and the bottom end of the valve rod (11) is fixedly connected with a valve plate (16), a guide plate (12) is fixedly sleeved on a rod body of the valve rod (11) positioned in the movable groove (8), sliders (13) are fixedly connected with two sides of the guide plate (12), sliding grooves (14) are formed in two side walls of the movable groove (8), the two sliders (13) slide in the two sliding grooves (14) respectively, a balance spring (15) is sleeved outside the rod body of the valve rod (11) at the lower end of the guide plate (12), the upper end of the balance spring (15) is fixedly connected with the lower end surface of the guide plate (12), the lower end of the balance spring (15) is fixedly connected with the bottom end surface of the movable groove (8), a threaded pipe (18) is arranged at the outer end of the rod body of the valve rod (11) positioned in the connecting seat (4), and the bottom end of the threaded pipe (, the upper end of the threaded pipe (18) is arranged between the connecting seat (4) and the gland (5), and the center of the plate body of the partition plate (3) is provided with a liquid passing hole (20).
2. A wear-resistant, long-life bellows shut-off valve as defined in claim 1, wherein: and a rubber sealing plug (17) is fixedly arranged on the pipe body at one end of the threaded pipe (18) close to the valve plate (16).
3. A wear-resistant, long-life bellows shut-off valve as defined in claim 1, wherein: the lower end of the valve plate (16) is conical, and a sealing gasket ring (19) is fixedly arranged on the lower end face of the valve plate (16) close to the edge side.
4. A wear-resistant, long-life bellows shut-off valve as defined in claim 1, wherein: the outer diameter of the rod body of the valve rod (11) is matched with the inner diameter of the through hole (7).
5. A wear-resistant, long-life bellows shut-off valve as defined in claim 1, wherein: the connecting seat (4) and the gland (5) are fixedly connected through a plurality of connecting bolts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763515.8U CN212616318U (en) | 2020-05-11 | 2020-05-11 | Wear-resistant and long-service-life corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020763515.8U CN212616318U (en) | 2020-05-11 | 2020-05-11 | Wear-resistant and long-service-life corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212616318U true CN212616318U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020763515.8U Active CN212616318U (en) | 2020-05-11 | 2020-05-11 | Wear-resistant and long-service-life corrugated pipe stop valve |
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| CN (1) | CN212616318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585059A (en) * | 2021-07-07 | 2021-11-02 | 钱璞 | Bridge is ooff valve for wash-out pipe |
-
2020
- 2020-05-11 CN CN202020763515.8U patent/CN212616318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585059A (en) * | 2021-07-07 | 2021-11-02 | 钱璞 | Bridge is ooff valve for wash-out pipe |
| CN113585059B (en) * | 2021-07-07 | 2024-04-19 | 钱璞 | Switch valve for bridge drainage pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210813 Address after: 201400 floor 1, building 3, No. 88, Huancheng North Road, Fengxian District, Shanghai Patentee after: Shanghai Feifan Intelligent Technology Co.,Ltd. Address before: Room 106, No. 3 Resettlement House, South Linyuan Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province, 325000 Patentee before: YONGJIA MINGXUAN MACHINERY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |