CN222616017U - A soft sealing butterfly valve - Google Patents
A soft sealing butterfly valve Download PDFInfo
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- CN222616017U CN222616017U CN202421258974.5U CN202421258974U CN222616017U CN 222616017 U CN222616017 U CN 222616017U CN 202421258974 U CN202421258974 U CN 202421258974U CN 222616017 U CN222616017 U CN 222616017U
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- valve body
- butterfly
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Abstract
The utility model discloses a soft sealing butterfly valve, and relates to the field of sealing valves. The soft sealing butterfly valve comprises a valve body, wherein a butterfly plate is arranged in the valve body, a valve rod is fixedly connected with the middle of the butterfly plate, sealing mechanisms are arranged at two ends of the valve rod, each sealing mechanism comprises a first sealing ring and a second sealing ring, the first sealing rings are fixedly connected to the upper end inside the valve body and are rotationally connected with the outer surface of the valve rod, the second sealing rings are fixedly connected to the lower end inside the valve body and are rotationally connected with the outer surface of the valve rod, and the first sealing rings and the second sealing rings are arranged inside the valve body and are used for blocking a medium from contacting with the valve rod when the medium passes through the valve body, so that corrosion and leakage are not easy to occur, a gland is arranged at the top of the valve rod, the valve rod is fixed, the valve rod is prevented from flying out due to overlarge pressure in a pipeline, the problem of the service life of the traditional soft sealing butterfly valve is solved, and the safety is improved.
Description
Technical Field
The utility model relates to the technical field of sealing valves, in particular to a soft sealing butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.
The butterfly valve is divided into a center line butterfly valve, a double eccentric butterfly valve and a triple eccentric butterfly valve according to different structures, no matter what structure is, the shaft hole is required to be machined, the conventional machining is that a direct drill bit is added with a reamer finish, concentricity and roundness cannot be guaranteed at all, and most butterfly valves on the market are pin butterfly valves, and as the service time is accumulated, a valve rod can be in contact with a fluid medium to corrode and leak, so that the service life of the valve is shortened, and the soft sealing butterfly valve is provided for solving the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a soft sealing butterfly valve, solves the problem of low service life of the traditional soft sealing butterfly valve, and improves the safety.
The soft sealing butterfly valve comprises a valve body, wherein a butterfly plate is arranged in the valve body, a valve rod is fixedly connected with the middle of the butterfly plate, and sealing mechanisms are arranged at two ends of the valve rod and comprise:
The first sealing ring is fixedly connected to the upper end inside the valve body and is rotationally connected with the outer surface of the valve rod;
the second sealing ring is fixedly connected to the lower end inside the valve body and is rotationally connected with the outer surface of the valve rod.
Preferably, the valve body bottom is provided with the disk seat, and second sealing washer fixed connection is on the disk seat.
Preferably, a gland is fixedly arranged at the top of the valve rod, and a third sealing ring is arranged at the bottom of the gland.
Preferably, the bearing bush is fixedly connected in the valve body, and is rotationally connected with the outer surface of the valve rod, and the bearing bush is positioned on the upper side and the lower side of the first sealing ring.
Preferably, the inner wall of the valve body is fixedly connected with a sealing sleeve, and the sealing sleeve is movably sleeved on the butterfly plate.
Preferably, the bottom of the valve seat is provided with a base, and the base is movably sleeved with the valve rod.
The utility model discloses a soft sealing butterfly valve which has the beneficial effects that a first sealing ring and a second sealing ring are arranged in a valve body, so that a medium is prevented from contacting with a valve rod when passing through the valve body, corrosion and leakage are not easy to occur, and a gland is arranged at the top of the valve rod, so that the valve rod is fixed, the valve rod is prevented from flying out due to overlarge pressure in a pipeline, the problem of low service life of the valve of the traditional soft sealing butterfly valve is solved, and the safety is improved.
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 side view of the structure of the present utility model;
FIG. 2 is a front elevational view of the structure of the present utility model;
FIG. 3 is a cross-sectional view of structure B of the present utility model;
Fig. 4 is a cross-sectional view of the structure a of the present utility model.
In the figure, 1, a valve body; 2, a bearing bush, 3, a valve seat, 4, a butterfly plate, 5, a valve rod, 6, a first sealing ring, 7, a second sealing ring, 8, a third sealing ring, 9, a gland, 10, a base, 11 and a sealing sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are 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 embodiment of the application solves the problem of low service life of the traditional soft sealing butterfly valve by providing the soft sealing butterfly valve, and improves the safety.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the utility model discloses a soft sealing butterfly valve.
According to the drawings 1-4, the soft sealing butterfly valve comprises a valve body 1, a butterfly plate 4 is arranged in the valve body 1, a valve rod 5 is fixedly connected in the middle of the butterfly plate 4, sealing mechanisms are arranged at two ends of the valve rod 5, the soft sealing butterfly valve comprises a first sealing ring 6 fixedly connected to the upper end in the valve body 1 and connected with the outer surface of the valve rod 5 in a rotating mode, a second sealing ring 7 fixedly connected to the lower end in the valve body 1 and connected with the outer surface of the valve rod 5 in a rotating mode, when a medium passes through the valve, the valve rod 5 is stirred to drive the butterfly plate 4 to rotate in the valve body 1, the butterfly plate 4 is enabled to change from 0 DEG to 90 DEG, when the butterfly plate rotates to 90 DEG, the butterfly valve is in a fully-opened state, due to the fact that sealing mechanisms are arranged at two ends of the valve rod 5, the medium can be blocked by the first sealing ring 6, the second sealing ring 7 and the third sealing ring 8, corrosion and leakage are not prone to occur, accordingly, a gland 9 is arranged at the top of the valve rod 5, when the medium passes through the valve, pressure is generated in the valve body 1, the valve rod 9 is fixed downwards, the valve rod 9 is not fixed downwards, the pressure is required to rotate in the valve body 1, the valve rod 4 is prevented from rotating from the inner side of the valve body, and the butterfly plate is enabled to rotate from the valve body 4 to rotate to the 90 DEG, and the butterfly plate is enabled to completely rotate to rotate from the valve plate 4 to the 90 DEG, and the butterfly plate 4 is enabled to rotate to the valve 4 to be in a fully-opened state when the medium, and the butterfly plate is required to rotate from the valve 4 to the valve 4 and completely rotates from the valve 4 DEG and 90 DEG and is required to the valve 4.
As a technical optimization scheme of the utility model, the bottom of the valve body 1 is provided with the valve seat 3, and the second sealing ring 7 is fixedly connected to the valve seat 3.
As a technical optimization scheme of the utility model, the top of the valve rod 5 is fixedly provided with the gland 9, the bottom of the gland 9 is provided with the third sealing ring 8, and as sealing mechanisms are arranged at two ends of the valve rod 5, a medium is blocked by the first sealing ring 6, the second sealing ring 7 and the third sealing ring 8, the valve rod 5 is not contacted with the medium, and corrosion and leakage are not easy to occur, so that the service life of the valve is prolonged, the gland 9 is arranged at the top of the valve rod 5, when the medium passes through the valve, pressure is generated in the valve body 1, and the valve rod 5 is downwards fixed by the gland 9, so that the medium cannot be jacked out by the pressure, and the safety is improved.
As a technical optimization scheme of the utility model, the inside of the valve body 1 is fixedly connected with the bearing bush 2, the bearing bush 2 is rotationally connected with the outer surface of the valve rod 5, the bearing bush 2 is positioned on the upper side and the lower side of the first sealing ring 6, and the bearing bush 2 plays a role in fixing the first sealing ring 6.
As a technical optimization scheme of the utility model, the inner wall of the valve body 1 is fixedly connected with the sealing sleeve 11, the sealing sleeve 11 is movably sleeved on the butterfly plate 4, when a medium needs to be prevented from passing, the valve rod 5 is stirred to drive the butterfly plate 4 to rotate in the valve body 1, the butterfly plate 4 is changed from 90 degrees to 0 degrees, and when the butterfly plate 4 rotates to 0 degrees, the edge of the butterfly plate 4 is completely attached to the sealing sleeve 11, and at the moment, the butterfly plate 4 is in a fully closed state.
As a technical optimization scheme of the utility model, the bottom of the valve seat 3 is provided with the base 10, the base 10 is movably sleeved with the valve rod 5, and the base 10 plays a role in fixedly limiting the valve rod 5.
This device is through setting up at the inside first sealing washer 6 of valve body 1, second sealing washer 7, blocks medium and valve rod 5 contact when the medium passes through valve body 1, makes it be difficult for taking place to corrode and reveal, sets up gland 9 at valve rod 5 top to fixed valve rod 5 prevents that valve rod 5 from flying out because of the pipeline internal pressure is too big, has solved the problem that traditional soft seal butterfly valve life is low, has improved the security.
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 (4)
1. The utility model provides a soft seal butterfly valve, includes valve body (1), the inside of valve body (1) sets up butterfly plate (4), the centre fixedly connected with valve rod (5) of butterfly plate (4), its characterized in that, valve rod (5) both ends are provided with sealing mechanism, contain:
The first sealing ring (6) is fixedly connected to the upper end inside the valve body (1), and the first sealing ring (6) is rotationally connected with the outer surface of the valve rod (5);
The second sealing ring (7) is fixedly connected to the lower end of the inner part of the valve body (1), and the second sealing ring (7) is rotationally connected with the outer surface of the valve rod (5);
The bottom of the valve body (1) is provided with a valve seat (3), and a second sealing ring (7) is fixedly connected to the valve seat (3);
The top of the valve rod (5) is fixedly provided with a gland (9), and the bottom of the gland (9) is provided with a third sealing ring (8).
2. The soft sealing butterfly valve of claim 1, wherein the valve body (1) is internally and fixedly connected with a bearing bush (2), the bearing bush (2) is rotationally connected with the outer surface of the valve rod (5), and the bearing bush (2) is positioned on the upper side and the lower side of the first sealing ring (6).
3. The soft sealing butterfly valve of claim 1, wherein the sealing sleeve (11) is fixedly connected to the inner wall of the valve body (1), and the sealing sleeve (11) is movably sleeved on the butterfly plate (4).
4. The soft sealing butterfly valve of claim 1, wherein a base (10) is arranged at the bottom of the valve seat (3), and the base (10) is movably sleeved with the valve rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421258974.5U CN222616017U (en) | 2024-06-04 | 2024-06-04 | A soft sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421258974.5U CN222616017U (en) | 2024-06-04 | 2024-06-04 | A soft sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222616017U true CN222616017U (en) | 2025-03-14 |
Family
ID=94881316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421258974.5U Active CN222616017U (en) | 2024-06-04 | 2024-06-04 | A soft sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222616017U (en) |
-
2024
- 2024-06-04 CN CN202421258974.5U patent/CN222616017U/en active Active
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| GR01 | Patent grant | ||
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