CN220416386U - Gate valve sealing valve cover - Google Patents
Gate valve sealing valve cover Download PDFInfo
- Publication number
- CN220416386U CN220416386U CN202321779851.1U CN202321779851U CN220416386U CN 220416386 U CN220416386 U CN 220416386U CN 202321779851 U CN202321779851 U CN 202321779851U CN 220416386 U CN220416386 U CN 220416386U
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- valve cover
- valve
- main body
- connecting shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a gate valve sealing valve cover, which comprises a valve cover main body, wherein a fixed block connected with a connecting shaft A and a connecting shaft B is fixed on the outer side of the valve cover main body through screws, a sealing plate A and a sealing plate B which are contacted with the connecting position of the valve cover main body are respectively and rotationally connected on the outer sides of the connecting shaft A and the connecting shaft B, fixing pads for improving the sealing performance are adhered on the inner sides of the sealing plate A and the sealing plate B, and a threaded rod which enters the inside of a limit screw hole formed in the surface of the sealing plate A is connected on one side of the sealing plate B through threads; according to the utility model, the problem that the tightness between the valve cover main body and the valve seat of the gate valve can not be improved when the existing gate valve cover is used is solved through the fixed block, the sealing plate A, the sealing plate B, the fixed pad, the threaded rod and the limiting screw hole.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a gate valve sealing valve cover.
Background
The gate valve is a shutter plate of an opening and closing piece, the moving direction of the shutter plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and the uncomfortable gate parameters are different; the valve cover is provided with a valve part of a valve rod sealing element for connecting or supporting an actuating mechanism.
Patent No. 2015120803516. X discloses a gate valve cover, which avoids the problems of deformation, cracks and the like in the middle of an arc-shaped cover, reduces the rejection rate of the valve cover and avoids unnecessary waste.
However, when the existing gate valve cover is used, after the valve cover is connected with the valve seat of the gate valve, a certain gap exists between the valve cover and the valve seat, and foreign matters such as dust can enter the gate valve through the gap to corrode the inside of the gate valve, so that the service life of the gate valve is influenced, and the gate valve sealing valve cover is arranged.
Disclosure of Invention
The utility model mainly aims to provide a gate valve sealing valve cover, which solves the problem that the sealing performance between a valve cover main body and a valve seat of a gate valve can not be improved when the existing gate valve cover is used by arranging a fixed block, a sealing plate A, a sealing plate B, a fixed pad, a threaded rod and a limiting screw hole.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the gate valve sealing valve cover comprises a valve cover main body, wherein a fixed block connected with a connecting shaft A and a connecting shaft B is fixed on the outer side of the valve cover main body through screws, a sealing plate A and a sealing plate B which are in contact with the connecting position of the valve cover main body are respectively and rotatably connected on the outer sides of the connecting shaft A and the connecting shaft B, fixing pads for improving sealing performance are adhered to the inner sides of the sealing plate A and the sealing plate B, and a threaded rod which enters the inside of a limit screw hole formed in the surface of the sealing plate A is connected on one side of the sealing plate B through threads;
further, a support block for connecting the support rod is fixed on one side of the valve cover main body through screws, and a chain rope for connecting the hook frame is wound on the outer side of the support rod; the chain rope is wound and unwound through the installed supporting blocks and supporting rods;
further, a fixed ring block connected with the hook frame is welded outside the support block; the chain rope on the hook frame is fixed through the fixed ring block;
further, a handle rod for driving the support rod to rotate is inserted into one side of the support block, and a positioning sleeve for fixing the handle rod is connected to the outer side of the handle rod in a threaded manner; fixing the handle rod through the installed positioning sleeve;
further, the inner side size of the positioning sleeve is matched with the outer side size of the handle rod; the electric equipment works normally by connecting an external power supply.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, after the valve cover main body is connected with the valve seat of the gate valve, the connecting shaft A and the connecting shaft B outside the fixed block respectively drive the sealing plate A and the sealing plate B to rotate, then the sealing plate A and the sealing plate B respectively contact with the joint of the valve cover main body and the valve seat of the gate valve, then the threaded rod on the sealing plate B is rotated, and then the threaded rod enters the limit screw hole formed on the surface of the sealing plate A, so that the fixed pad inside the sealing plate A and the sealing plate B are tightly contacted with the joint of the valve cover main body and the valve seat of the gate valve, and the sealing property between the valve cover main body and the valve seat of the gate valve is improved.
2. According to the utility model, through the support block, the locating sleeve, the chain rope, the fixed ring block and the hook frame, after the valve cover main body is connected with the valve seat of the gate valve, the hook frame is pulled to move, then the chain rope on the hook frame is unreeled outside the support rod, then the chain rope bypasses the valve seat of the gate valve, then the hook frame on the chain rope is contacted with the fixed ring block at the bottom of the support block, and then the locating sleeve outside the handle rod is rotated, so that one side of the locating sleeve is tightly contacted with the support block, and the support rod on the handle rod is fixed, thereby improving the stability between the valve cover main body and the valve seat of the gate valve.
Drawings
FIG. 1 is a schematic view of the whole structure of a gate valve seal cover according to the present utility model;
FIG. 2 is a schematic view of the internal structure of a support block of a gate valve seal cover according to the present utility model;
in the figure: 1. a valve cover main body; 2. limiting screw holes; 3. a fixing pad; 4. a sealing plate A; 5. a connecting shaft A; 6. a fixed block; 7. a sealing plate B; 8. a connecting shaft B; 9. a support block; 10. a fixed ring block; 11. a chain rope; 12. a threaded rod; 13. a hook frame; 14. a positioning sleeve; 15. a handle bar; 16. a supporting rod.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-2, the gate valve sealing valve cover comprises a valve cover main body 1, wherein a fixed block 6 connected with a connecting shaft A5 and a connecting shaft B8 is fixed on the outer side of the valve cover main body 1 through screws, a sealing plate A4 and a sealing plate B7 which are contacted with the connecting position of the valve cover main body 1 are respectively connected on the outer sides of the connecting shaft A5 and the connecting shaft B8 in a rotating way, a fixed pad 3 for improving the sealing performance is adhered on the inner sides of the sealing plate A4 and the sealing plate B7, and a threaded rod 12 which enters the inside of a limit screw hole 2 formed on the surface of the sealing plate A4 is connected on one side of the sealing plate B7 through threads;
the valve cover comprises a valve cover main body 1, a supporting block 9, a chain rope 11, a fixed ring block 10, a handle bar 15, a positioning sleeve 14 and a positioning sleeve 14, wherein the supporting block 9 is used for connecting a supporting rod 16 through screws, the chain rope 11 is wound on the outer side of the supporting rod 16 and is connected with a hook frame 13, the fixed ring block 10 is welded on the outer side of the supporting block 9 and is connected with the hook frame 13, the handle bar 15 is inserted into one side of the supporting block 9 and drives the supporting rod 16 to rotate, the positioning sleeve 15 is connected with the outer side of the handle bar 14 through screws, and the inner side of the positioning sleeve 14 is matched with the outer side of the handle bar 15 in size; the chain rope 11 is wound and unwound through the installed supporting blocks 9 and supporting rods 16.
It should be noted that, when the valve cover is used, the connecting shaft A5 and the connecting shaft B8 outside the fixed block 6 drive the sealing plate A4 and the sealing plate B7 to rotate respectively, then the sealing plate A4 and the sealing plate B7 are contacted with the joint of the valve seat of the valve cover main body 1 and the valve seat of the valve, then the threaded rod 12 on the sealing plate B7 is rotated, then the threaded rod 12 enters the limit screw hole 2 formed on the surface of the sealing plate A4, the fixed pad 3 inside the sealing plate A4 and the sealing plate B7 is tightly contacted with the joint of the valve seat of the valve cover main body 1 and the valve seat of the valve seat, so that the tightness between the valve cover main body 1 and the valve seat of the valve is improved, after the valve cover main body 1 is connected with the valve seat of the valve, the hook frame 13 is pulled to move, then the chain 11 on the hook frame 13 is unreeled outside the supporting rod 16, then the chain 11 bypasses the valve seat of the valve, then the hook frame 13 on the chain 11 is contacted with the fixed ring block 10 at the bottom of the supporting block 9, then the positioning sleeve 14 outside the rod 15 is rotated, one side of the positioning sleeve 14 is tightly contacted with the supporting block 9, and the supporting rod 16 is tightly contacted with the supporting block 9, so that the stability between the valve seat main body 1 and the valve seat of the valve seat is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A gate valve sealing valve cover comprises a valve cover main body (1); the novel valve cover is characterized in that a fixed block (6) connected with a connecting shaft A (5) and a connecting shaft B (8) is fixed on the outer side of the valve cover main body (1) through screws, a sealing plate A (4) and a sealing plate B (7) which are in contact with the connecting position of the valve cover main body (1) are respectively connected to the outer sides of the connecting shaft A (5) and the connecting shaft B (8) in a rotating mode, fixing pads (3) for improving sealing performance are adhered to the inner sides of the sealing plate A (4) and the inner sides of the sealing plate B (7), and a threaded rod (12) inside a limiting screw hole (2) formed in the surface of the sealing plate A (4) is connected to one side of the sealing plate B (7) through threads.
2. A gate valve seal cover according to claim 1, wherein: a supporting block (9) for connecting a supporting rod (16) is fixed on one side of the valve cover main body (1) through screws, and a chain rope (11) connected with a hook frame (13) is wound on the outer side of the supporting rod (16).
3. A gate valve seal cover according to claim 2, wherein: the outside of the supporting block (9) is welded with a fixed ring block (10) connected with a hook frame (13).
4. A gate valve seal cover according to claim 2, wherein: one side of the supporting block (9) is inserted with a handle bar (15) for driving the supporting bar (16) to rotate, and the outer side of the handle bar (15) is connected with a positioning sleeve (14) for fixing the handle bar (15) in a threaded manner.
5. The gate valve seal cover of claim 4, wherein: the inner side size of the positioning sleeve (14) is matched with the outer side size of the handle bar (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779851.1U CN220416386U (en) | 2023-07-07 | 2023-07-07 | Gate valve sealing valve cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779851.1U CN220416386U (en) | 2023-07-07 | 2023-07-07 | Gate valve sealing valve cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416386U true CN220416386U (en) | 2024-01-30 |
Family
ID=89653367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321779851.1U Active CN220416386U (en) | 2023-07-07 | 2023-07-07 | Gate valve sealing valve cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416386U (en) |
-
2023
- 2023-07-07 CN CN202321779851.1U patent/CN220416386U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |