CN220452748U - Positive pressure internal balance stop valve - Google Patents
Positive pressure internal balance stop valve Download PDFInfo
- Publication number
- CN220452748U CN220452748U CN202321803130.XU CN202321803130U CN220452748U CN 220452748 U CN220452748 U CN 220452748U CN 202321803130 U CN202321803130 U CN 202321803130U CN 220452748 U CN220452748 U CN 220452748U
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- Prior art keywords
- rotating shaft
- top end
- valve body
- valve
- positive pressure
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- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a positive pressure internal balance stop valve, which comprises a valve body, wherein a flange plate is arranged at the top end of the valve body, a rotating shaft is arranged at the top end of the flange plate, a pressing sleeve is arranged at the outer side of the rotating shaft, a pressing block is arranged at the top end of the pressing sleeve, the bottom end of the rotating shaft is arranged in the valve body, a connecting piece is arranged at the outer side of the bottom end of the rotating shaft, sealing rings are arranged at liquid inlets and liquid outlets of the valve body, a part of the rotating shaft protruding out of an upper flange position can be fixed and limited by a user through the pressing sleeve and the pressing block structure, the pressing sleeve and the pressing block structure at the bottom end are connected and fixed in a matched mode, and are connected and fixed through a connecting screw rod and a locking bolt, so that the structural integrity is improved, and the sealing property of the position of the rotating shaft is improved.
Description
Technical Field
The utility model relates to the field of stop valve devices, in particular to a positive pressure internal balance stop valve.
Background
The stop valve, also called a stop valve, is one of the most widely used valves, and is popular because the friction force between sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, and the stop valve is not only suitable for medium and low pressure, but also suitable for high pressure. The structural length of the stop valve is larger than that of the gate valve, meanwhile, the fluid resistance is large, and the sealing reliability is not strong during long-term operation.
The Chinese patent publication No. 201620197401.5 discloses a stop valve, which solves the problem that when the mounting position of a valve body is deviated, a decorative cover is not easy to be attached to a wall surface. However, the water pressure in the valve body is easy to be unbalanced when the water circulates, so that the valve body is damaged, and the service life of the valve body is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the positive pressure internal balance stop valve, through the downward pressing sleeve and the downward pressing block structure, a user can fix and limit the part of the rotating shaft protruding out of the upper flange position, the downward pressing sleeve and the downward pressing block structure at the bottom end are connected and fixed in a matched mode, and are connected and fixed through the connecting screw rod and the locking bolt, so that the structural integrity is improved, and the sealing property of the rotating shaft at the position is improved.
In order to solve the technical problems, the utility model provides the following technical scheme: the positive pressure internal balance stop valve comprises a valve body, wherein a flange plate is arranged at the top end of the valve body, a rotating shaft is arranged at the top end of the flange plate, a pressing sleeve is arranged at the outer side of the rotating shaft, a pressing block is arranged at the top end of the pressing sleeve, the bottom end of the rotating shaft is arranged in the valve body, a connecting piece is arranged at the outer side of the bottom end of the rotating shaft, and sealing rings are arranged at the positions of liquid inlet and liquid outlet of the valve body.
As a preferable technical scheme of the utility model, the flange plate comprises an upper flange and a lower flange, the lower flange is fixedly connected with the valve body, the upper flange is fixedly connected with the lower flange through a connecting bolt, the top end of the upper flange is provided with a mounting column, the top end of the mounting column is provided with a connecting ring, the top end of the rotating shaft is sleeved in the connecting ring, and the top end of the rotating shaft is fixedly connected with the hand wheel.
As a preferable technical scheme of the utility model, connecting screws are fixed at two ends of the pressing block, two groups of support plates are fixed at two ends of the pressing sleeve, locking bolts penetrate through the support plates at each side, the bottom ends of the connecting screws are fixed at the tops of the support plates, and the connecting screws and the locking bolts are in different-surface vertical relation.
As a preferable technical scheme of the utility model, the connecting piece is arranged between the sealing ring and the rotating shaft.
As a preferable technical scheme of the utility model, the connecting piece is made of soft plastic materials.
As a preferable technical scheme of the utility model, both sides of the lower pressing block are fixedly connected with the inner side wall of the mounting column.
Compared with the prior art, the utility model has the following beneficial effects:
1. in this device, through the sleeve that pushes down and the briquetting structure that pushes down that sets up, the user can be fixed spacingly with the pivot salient in the part of last flange position, and the sleeve that pushes down of bottom is fixed with the briquetting structure that pushes down to connect fixedly through connecting screw rod and locking bolt, improve the wholeness of structure, improve the leakproofness of this department of pivot.
2. In this device, through the connecting piece structure that sets up, user's accessible and its sealing ring structure who matches carries out close contact with the bottom of pivot, avoids taking place to leak, improves sealed wholeness.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a structural exploded view of the present utility model;
fig. 3 is a cross-sectional view of the structure of the present utility model.
Wherein: 1. a valve body; 11. a lower flange; 12. a seal ring; 2. a flange plate; 21. an upper flange; 22. a connecting bolt; 23. pressing the block; 24. a connecting screw; 25. a support plate; 26. a locking bolt; 27. pressing down the sleeve; 3. a rotating shaft; 31. a connecting piece; 4. and a hand wheel.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples:
as shown in fig. 1-3, the utility model provides a positive pressure internal balance stop valve, which comprises a valve body 1, wherein the top end of the valve body 1 is provided with a flange plate 2, the top end of the flange plate 2 is provided with a rotating shaft 3, the outer side of the rotating shaft 3 is provided with a pressing sleeve 27, the top end of the pressing sleeve 27 is provided with a pressing block 23, the bottom end of the rotating shaft 3 is arranged in the valve body 1, the outer side of the bottom end of the rotating shaft 3 is provided with a connecting piece 31, and sealing rings 12 are arranged at liquid inlets and liquid outlets of the valve body 1.
In other embodiments, the flange plate 2 includes an upper flange 21 and a lower flange 11, the lower flange 11 is fixedly connected with the valve body 1, the upper flange 21 is fixedly connected with the lower flange 11 through a connecting bolt 22, a mounting column is arranged at the top end of the upper flange 21, a connecting ring is arranged at the top end of the mounting column, the top end of the rotating shaft 3 is sleeved in the connecting ring, and the top end of the rotating shaft 3 is fixedly connected with the hand wheel 4.
In other embodiments, connecting screws 24 are fixed at two ends of the lower pressing block 23, two groups of support plates 25 are fixed at two ends of the lower pressing sleeve 27, locking bolts 26 penetrate through each side support plate 25, the bottom ends of the connecting screws 24 are fixed at the tops of the support plates 25, and the connecting screws 24 and the locking bolts 26 are in different-plane vertical relation; through the push down sleeve 27 and the structure of the push down block 23 that set up, the user can fix spacing with the part that pivot 3 stands out in flange 21 position down, and the push down sleeve 27 and the structure of push down block 23 down of bottom carry out the matchedly and connect fixedly to connect fixedly through connecting screw 24 and lock bolt 26, improve the wholeness of structure, improve the leakproofness of pivot 3 this department.
In other embodiments, the connection 31 is arranged between the sealing ring 12 and the spindle 3; the connecting piece 31 is made of soft plastic; both sides of the lower pressing block 23 are fixedly connected with the inner side wall of the mounting column; through the connecting piece 31 structure that sets up, the user accessible with its matched sealing ring 12 structure, carry out close contact with the bottom of pivot 3, avoid taking place to leak, improve sealed wholeness.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Positive pressure internal balance stop valve, including valve body (1), its characterized in that: the novel valve is characterized in that a flange plate (2) is arranged at the top end of the valve body (1), a rotating shaft (3) is arranged at the top end of the flange plate (2), a pressing sleeve (27) is arranged at the outer side of the rotating shaft (3), a pressing block (23) is arranged at the top end of the pressing sleeve (27), the bottom end of the rotating shaft (3) is arranged in the valve body (1), a connecting piece (31) is arranged at the outer side of the bottom end of the rotating shaft (3), and a sealing ring (12) is arranged at the positions of liquid inlet and liquid outlet of the valve body (1).
2. The positive pressure internal balance shut-off valve of claim 1, wherein: the flange plate (2) comprises an upper flange (21) and a lower flange (11), the lower flange (11) is fixedly connected with the valve body (1), the upper flange (21) is fixedly connected with the lower flange (11) through a connecting bolt (22), a mounting column is arranged at the top end of the upper flange (21), a connecting ring is arranged at the top end of the mounting column, the top end of the rotating shaft (3) is sleeved in the connecting ring, and the top end of the rotating shaft (3) is fixedly connected with the hand wheel (4).
3. The positive pressure internal balance shut-off valve of claim 1, wherein: connecting screw rods (24) are fixed at two ends of the lower pressing block (23), two groups of support plates (25) are fixed at two ends of the lower pressing sleeve (27), locking bolts (26) penetrate through the support plates (25) on each side, the bottom ends of the connecting screw rods (24) are fixed at the tops of the support plates (25), and different-surface vertical relations are formed between the connecting screw rods (24) and the locking bolts (26).
4. The positive pressure internal balance shut-off valve of claim 1, wherein: the connecting piece (31) is arranged between the sealing ring (12) and the rotating shaft (3).
5. The positive pressure internal balance shut-off valve of claim 4, wherein: the connecting piece (31) is made of soft plastic materials.
6. The positive pressure internal balance shut-off valve of claim 1, wherein: both sides of the lower pressing block (23) are fixedly connected with the inner side wall of the mounting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803130.XU CN220452748U (en) | 2023-07-10 | 2023-07-10 | Positive pressure internal balance stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803130.XU CN220452748U (en) | 2023-07-10 | 2023-07-10 | Positive pressure internal balance stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452748U true CN220452748U (en) | 2024-02-06 |
Family
ID=89730041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321803130.XU Active CN220452748U (en) | 2023-07-10 | 2023-07-10 | Positive pressure internal balance stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452748U (en) |
-
2023
- 2023-07-10 CN CN202321803130.XU patent/CN220452748U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |