CN219282532U - Screw thread sluice valve - Google Patents
Screw thread sluice valve Download PDFInfo
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- CN219282532U CN219282532U CN202320076803.XU CN202320076803U CN219282532U CN 219282532 U CN219282532 U CN 219282532U CN 202320076803 U CN202320076803 U CN 202320076803U CN 219282532 U CN219282532 U CN 219282532U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a screw thread gate valve, set up seal connection structure between valve body and the valve gap, seal connection structure includes sealing unit and connecting unit, sealing unit includes outer sealing member and interior sealing member, connecting unit is including setting up the interior connecting portion on the valve body and setting up the interior connecting end on the valve gap, set up the spread groove in the interior connecting portion, interior sealing member sets up in the spread groove, interior connecting end stretches into the spread groove and compresses tightly interior sealing member, through setting up seal connection structure between valve body and valve gap, the joint strength between valve gap and the valve body can be guaranteed to the connecting unit in the seal connection structure to avoid appearing the not hard up between valve gap and the valve body in the in-process of long-term rotation valve rod, sealing unit's setting then can guarantee the sealing performance between valve gap and the valve body, avoid the leak of medium in the valve pocket and external impurity entering the valve pocket in the polluted medium.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a screw thread gate valve.
Background
In the long-term use process of the existing screw thread gate valve, the sealing ring on the valve cover is easy to wear and leak due to long-time rotation of the screw, and impurities in water are accumulated in the valve body for a long time, so that the sealing performance of the gate plate is affected.
Disclosure of Invention
In view of this, the present utility model provides a threaded gate valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a screw thread gate valve, includes valve body and flashboard driving medium, set up the valve gap on the valve body, form the valve pocket in the valve body, set up the flashboard in the valve pocket, set up the valve rod on the flashboard, the one end and the flashboard of valve rod are connected, the other end of valve rod stretches out the valve body and is connected with the flashboard driving medium, set up seal connection structure between valve body and the valve gap, seal connection structure includes sealing unit and connecting unit, sealing unit includes outer sealing member and inner seal spare, the connecting unit is including setting up the internal connection portion on the valve body and setting up the internal connection end on the valve cap, set up the spread groove on the internal connection portion, the internal connection end stretches into the spread groove and compresses tightly the inner seal spare.
Preferably, the valve cover is provided with an outer sealing upper ring groove, the valve body is provided with an outer sealing lower ring groove, the outer sealing upper ring groove and the outer sealing lower ring groove are correspondingly arranged, the outer sealing element is arranged between the outer sealing upper ring groove and the outer sealing lower ring groove, and two ends of the outer sealing element are respectively connected with the outer sealing upper ring groove and the outer sealing lower ring groove in a sealing manner.
Preferably, the inner connecting part is formed on the inner wall of the upper part of the valve cavity in a protruding mode in an annular structure, the connecting groove is in an annular groove structure, the inner sealing piece is arranged in a shape corresponding to the connecting groove, the inner sealing piece is provided with a sealing piece annular groove, and the inner connecting end stretches into the sealing piece annular groove to compress the inner sealing piece in the connecting groove.
Preferably, the inner connecting end and the valve cover are of an integrated structure, and the inner connecting end is formed by protruding the bottom end of the valve cover towards the valve cavity.
Preferably, one side of the outer sealing upper ring groove and one side of the outer sealing lower ring groove, which are far away from the center of the valve body, are provided with a plurality of corresponding screw holes, fastening screws are arranged in the screw holes, and the fastening screws penetrate through the corresponding screw holes to connect the valve cover and the valve body.
Preferably, the flashboard transmission part is a hand wheel.
The utility model has the beneficial effects that: according to the utility model, the sealing connection structure is arranged between the valve body and the valve cover, and the connection unit in the sealing connection structure can ensure the connection strength between the valve cover and the valve body, so that looseness between the valve cover and the valve body in the process of rotating the valve rod for a long time is avoided, the sealing performance between the valve cover and the valve body can be ensured by arranging the sealing unit, and leakage of medium in the valve cavity and entry of external impurities into the valve cavity to pollute the medium are avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings.
The utility model provides the following technical scheme:
as shown in fig. 1-2, the utility model discloses a screw-thread gate valve, which comprises a valve body 1 and a gate plate transmission member 2, wherein a valve cover 3 is arranged on the valve body 1, a valve cavity 4 is formed in the valve body 1, a gate plate 5 is arranged in the valve cavity 4, a valve rod 6 is arranged on the gate plate 5, one end of the valve rod 6 is connected with the gate plate 5, the other end of the valve rod 6 extends out of the valve body 1 and is connected with the gate plate transmission member 2, a sealing connection structure 7 is arranged between the valve body 1 and the valve cover 3, the sealing connection structure 7 comprises a sealing unit 8 and a connection unit 9, the sealing unit 8 comprises an outer sealing member 10 and an inner sealing member 11, the connection unit 9 comprises an inner connection part 12 arranged on the valve body 1 and an inner connection end 13 arranged on the valve cover 3, a connecting groove 14 is formed in the inner connection part 12, and the inner sealing member 11 is arranged in the connecting groove 14, and the inner connection end 13 extends into the connecting groove 14 to press the inner sealing member 11. Specifically, in this design, through setting up seal connection structure 7 between valve body 1 and valve gap 3, the joint strength between valve gap 3 and valve body 1 can be guaranteed to connecting element 9 in seal connection structure 7 to avoid long-term rotation valve rod 6 in-process to appear the not hard up between valve gap 3 and the valve body 1, sealing element 8's setting then can guarantee the sealing performance between valve gap 3 and the valve body 1, avoid leaking and the outside impurity entering valve pocket 4 of medium in the valve pocket 4.
Further, an outer sealing upper ring groove 15 is arranged on the valve cover 3, an outer sealing lower ring groove 16 is arranged on the valve body 1, the outer sealing upper ring groove 15 and the outer sealing lower ring groove 16 are correspondingly arranged, the outer sealing element 10 is arranged between the outer sealing upper ring groove 15 and the outer sealing lower ring groove 16, and two ends of the outer sealing element 10 are respectively in sealing connection with the outer sealing upper ring groove 15 and the outer sealing lower ring groove 16. Specifically, in this embodiment, the outer sealing member 10 is made of elastic rubber, the cross section of the outer sealing member 10 is in an oval structure, and the thickness of the outer sealing member 10 is greater than the added height of the outer sealing upper ring groove 15 and the outer sealing lower ring groove 16, so that when the outer sealing upper ring groove 15 of the valve cover 3 and the groove wall corresponding to the outer sealing lower ring groove 16 of the valve body 1 compress the outer sealing member 10, the outer sealing member 10 is compressed and deformed, thereby achieving interference fit between the valve cover 3 and the valve body 1, and achieving the sealing effect.
Further, the inner connecting portion 12 is formed on the inner wall of the upper portion of the valve cavity 4 in a protruding manner in a ring-shaped structure, the connecting groove 14 is provided in a ring groove structure, the inner sealing member 11 is provided corresponding to the shape of the connecting groove 14, the inner sealing member 11 is provided with a sealing member ring groove, and the inner connecting end 13 extends into the sealing member ring groove 19 to press the inner sealing member 11 in the connecting groove 14. Specifically, in this design, the inner connecting piece is elastic rubber material, and the cross-sectional width of inner connecting end 13 is greater than the width of sealing member annular groove, after inner connecting end 13 stretches into the sealing member annular groove of inner sealing member 11, inner connecting end 13 and inner wall contact of inner sealing member 11 compress tightly the deformation with inner sealing member 11 for inner sealing member 11 closely laminates with the cell wall of spread groove 14, thereby realizes sealed effect.
Further, the inner connecting end 13 and the valve cover 3 are integrally formed, and the inner connecting end 13 is formed by protruding the bottom end of the valve cover 3 towards the valve cavity 4.
Further, a plurality of corresponding screw holes 17 are formed in one sides, far away from the center of the valve body 1, of the outer sealing upper ring groove 15 and the outer sealing lower ring groove 16, fastening screws 18 are arranged in the screw holes 17, and the fastening screws 18 penetrate through the corresponding screw holes 17 to connect the valve cover 3 and the valve body 1. Specifically, by providing the fastening screw 18, the rotation between the valve cover 3 and the valve body 1 can be limited while the valve cover 3 and the valve body 1 are connected, and the looseness between the valve cover 3 and the valve body 1 is prevented
Further, the flashboard transmission member 2 is a hand wheel.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a screw thread gate valve, includes valve body and flashboard driving medium, set up the valve gap on the valve body, form the valve pocket in the valve body, set up the flashboard in the valve pocket, set up the valve rod on the flashboard, the one end and the flashboard of valve rod are connected, the other end of valve rod stretches out the valve body and is connected its characterized in that with the flashboard driving medium: set up seal connection structure between valve body and the valve gap, seal connection structure includes sealing unit and connecting unit, sealing unit includes outer sealing member and interior sealing member, connecting unit is including setting up the interior connecting portion on the valve body and setting up the interior connecting end on the valve cover, set up the spread groove in the interior connecting portion, interior sealing member sets up in the spread groove, interior connecting end stretches into the spread groove and compresses tightly interior sealing member.
2. The threaded gate valve of claim 1, wherein: the valve cover is provided with an outer sealing upper annular groove, the valve body is provided with an outer sealing lower annular groove, the outer sealing upper annular groove and the outer sealing lower annular groove are correspondingly arranged, the outer sealing piece is arranged between the outer sealing upper annular groove and the outer sealing lower annular groove, and two ends of the outer sealing piece are respectively connected with the outer sealing upper annular groove and the outer sealing lower annular groove in a sealing manner.
3. The threaded gate valve of claim 1, wherein: the inner connecting part is formed on the inner wall of the upper part of the valve cavity in a protruding mode with an annular structure, the connecting groove is in an annular groove structure, the inner sealing piece is arranged corresponding to the connecting groove in shape, the inner sealing piece is provided with a sealing piece annular groove, and the inner connecting end stretches into the sealing piece annular groove to compress the inner sealing piece in the connecting groove.
4. A threaded gate valve according to claim 3, characterized in that: the inner connecting end and the valve cover are of an integrated structure, and the inner connecting end is formed by protruding the bottom end of the valve cover towards the valve cavity.
5. The threaded gate valve of claim 2, wherein: the valve body is characterized in that a plurality of corresponding screw holes are formed in one sides, far away from the center of the valve body, of the outer sealing upper ring groove and the outer sealing lower ring groove, fastening screws are arranged in the screw holes, and pass through the corresponding screw holes to be connected with the valve cover and the valve body.
6. The threaded gate valve of claim 1, wherein: the flashboard driving piece is a hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076803.XU CN219282532U (en) | 2023-01-10 | 2023-01-10 | Screw thread sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076803.XU CN219282532U (en) | 2023-01-10 | 2023-01-10 | Screw thread sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219282532U true CN219282532U (en) | 2023-06-30 |
Family
ID=86921932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320076803.XU Active CN219282532U (en) | 2023-01-10 | 2023-01-10 | Screw thread sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219282532U (en) |
-
2023
- 2023-01-10 CN CN202320076803.XU patent/CN219282532U/en active Active
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| GR01 | Patent grant | ||
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