CN215806356U - Butterfly valve structure of bivalve formula - Google Patents
Butterfly valve structure of bivalve formula Download PDFInfo
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- CN215806356U CN215806356U CN202121231667.4U CN202121231667U CN215806356U CN 215806356 U CN215806356 U CN 215806356U CN 202121231667 U CN202121231667 U CN 202121231667U CN 215806356 U CN215806356 U CN 215806356U
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Abstract
The utility model discloses a double-valve butterfly valve structure, which comprises a valve shell, a main valve plate, a valve shaft, a first auxiliary valve plate, a second auxiliary valve plate and a transmission device, wherein the valve shell is provided with a valve seat; the valve shell is provided with an installation hole, the valve shaft is inserted and installed in the valve shell through the installation hole, the end part of the valve shaft is connected to a transmission device, and the driving end of the transmission device is provided with a handle; the main valve plate is fixedly connected to the valve shaft, and the sealing surface of the main valve plate is attached to the inner wall of the valve shell; the first auxiliary valve plate and the second auxiliary valve plate are respectively arranged on two side surfaces of the main valve plate, the main valve plate is provided with a servo motor, the servo motor is connected to the first auxiliary valve plate and the second auxiliary valve plate in a driving mode, and the servo motor is connected to a control system in a signal mode; first vice valve plate and the vice valve plate of second are semi-circular structure, the outer edge of the vice valve plate of first vice valve plate and second corresponds to the inner wall of valve casing.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a double-valve butterfly valve structure.
Background
The butterfly valve is mainly used for cutting off or connecting media in a pipeline and can also be used for regulating and controlling fluid; the valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like; the butterfly valve can lead to the leakproofness to descend along with the valve constantly uses according to valve plate rotation degree control fluid pressure usually, needs open many times in the short time under some circumstances and closes, can produce great wearing and tearing to the valve, and then leads to the leakproofness and the life-span quick decline of valve.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects in the prior art, the utility model provides a double-valve butterfly valve structure which can be opened for multiple times in a short time and can not greatly reduce the overall sealing performance of the valve.
The technical scheme is as follows: in order to achieve the purpose, the double-valve butterfly valve structure comprises a valve shell, a main valve plate, a valve shaft, a first auxiliary valve plate, a second auxiliary valve plate and a transmission device, wherein the valve shell is provided with a first valve plate and a second valve plate; the valve shell is provided with an installation hole, the valve shaft is inserted and installed in the valve shell through the installation hole, the end part of the valve shaft is connected to a transmission device, and the driving end of the transmission device is provided with a handle; the main valve plate is fixedly connected to the valve shaft, and the sealing surface of the main valve plate is attached to the inner wall of the valve shell; the first auxiliary valve plate and the second auxiliary valve plate are respectively arranged on two side surfaces of the main valve plate, the main valve plate is provided with a servo motor, the servo motor is connected to the first auxiliary valve plate and the second auxiliary valve plate in a driving mode, and the servo motor is connected to a control system in a signal mode; first vice valve plate and the vice valve plate of second are semi-circular structure, the outer edge of the vice valve plate of first vice valve plate and second corresponds to the inner wall of valve casing.
Furthermore, a first sealing partition plate and a second sealing partition plate are arranged at the joint positions of the first auxiliary valve plate and the second auxiliary valve plate with the main valve plate, and the first sealing partition plate and the second sealing partition plate are vertically arranged with the main valve plate to form a sealing partition groove; and a sealing plate is arranged between the first sealing partition plate and the second sealing partition plate.
Furthermore, the first sealing partition plate and the second sealing partition plate are made of elastic materials, and chamfer structures are arranged at the contact ends of the first sealing partition plate and the second sealing partition plate and the main valve plate.
Furthermore, the first sealing partition plate is provided with a first buffer block, and the second sealing partition plate is provided with a second buffer block; a buffer column is connected between the first buffer block and the second buffer block, and a spring is sleeved on the buffer column; the first buffer block, the second buffer block and the buffer column are made of elastic materials.
Furthermore, main valve plate hoop is equipped with first sealing washer and second sealing washer, the both sides of main valve plate and valve shaft hookup location are located to first sealing washer and second sealing washer.
Has the advantages that: the double-valve butterfly valve structure can be opened for multiple times in a short time without greatly reducing the overall sealing performance of the valve, and comprises the following technical effects:
1) the first auxiliary valve plate and the second auxiliary valve plate are arranged to replace the valve function of the main valve plate, so that the sealing loss of the main valve plate due to frequent opening and closing is reduced, and the service life and the stability of the valve are improved;
2) the dynamic sealing performance of the auxiliary valve plate during movement is improved by arranging the sealing isolation grooves.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a diagram of the mating positions of the main valve plate, the first sub-valve plate and the second sub-valve plate of the present invention;
FIG. 3 is a block diagram of a first sealing diaphragm and a second sealing diaphragm of the present invention;
FIG. 4 is a view showing the structural relationship between the first and second sealing diaphragms and the sealing plate of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-4: a double-valve butterfly valve structure comprises a valve shell 1, a main valve plate 2, a valve shaft 3, a first auxiliary valve plate 21, a second auxiliary valve plate 22 and a transmission device 4; the valve shell 1 is provided with an installation hole, the valve shaft 3 is inserted and installed in the valve shell 1 through the installation hole, the end part of the valve shaft 3 is connected to the transmission device 4, and the driving end of the transmission device 4 is provided with a handle 41; the main valve plate 2 is fixedly connected to the valve shaft 3, and the sealing surface of the main valve plate 2 is attached to the inner wall of the valve shell 1; the first auxiliary valve plate 21 and the second auxiliary valve plate 22 are respectively arranged on two side surfaces of the main valve plate 2, the main valve plate 2 is provided with a servo motor 23, the servo motor 23 is connected to the first auxiliary valve plate 21 and the second auxiliary valve plate 22 in a driving mode, the first auxiliary valve plate 21 and the second auxiliary valve plate 22 are of semicircular structures, and the outer edges of the first auxiliary valve plate 21 and the second auxiliary valve plate 22 correspond to the inner wall of the valve casing 1; when the valve needs to be closed for a long time to be closed through the main valve plate 2, when the valve needs to be repeatedly opened and closed for multiple times in a short time, the opening state of the main valve plate 2 is kept, the first auxiliary valve plate 21 and the second auxiliary valve plate 22 are cut off, the servo motor 23 is started through the control system, the servo motor 23 controls the rotation angles of the first auxiliary valve plate 21 and the second auxiliary valve plate 22 to replace the valve function of the main valve plate 2, the sealing loss of the main valve plate 2 due to frequent opening and closing is reduced, and the service life and the stability of the valve are improved; when the servo motor 23 is arranged in the main valve plate 2, effective sealing cannot be guaranteed, the servo motor 23 can be arranged outside the main valve plate 2, and the first auxiliary valve plate 21 and the second auxiliary valve plate 22 are controlled through the transmission mechanism.
The first auxiliary valve plate 21 and the second auxiliary valve plate 22 are provided with a first sealing partition plate 241 and a second sealing partition plate 242 at the joint position with the main valve plate 2, and the first sealing partition plate 241 and the second sealing partition plate 242 are vertically arranged with the main valve plate 2 to form a sealing partition groove; a sealing plate 243 is arranged between the first sealing partition plate 241 and the second sealing partition plate 242; because the sealing surface jointed with the main valve plate 2 is subjected to larger friction force from the main valve plate 2 when the first auxiliary valve plate 21 and the second auxiliary valve plate 22 rotate, open and close, the dynamic sealing performance of the auxiliary valve plate during movement is improved by arranging the sealing separation groove; the first sealing partition board 241 and the second sealing partition board 242 have the function of sealing strips, and simultaneously can keep the cleanliness of the main valve plate 2, provide a smooth and clean contact surface for the sealing plate 243, and ensure reliable sealing performance.
The first sealing partition plate 241 and the second sealing partition plate 242 are made of elastic materials, and the end parts of the first sealing partition plate 241 and the second sealing partition plate 242, which are in contact with the main valve plate 2, are provided with chamfer structures.
The first sealing partition 241 is provided with a first buffer block 244, and the second sealing partition 242 is provided with a second buffer block 245; a buffer column 251 is connected between the first buffer block 244 and the second buffer block 245, and a spring is sleeved on the buffer column 251; the first buffer block 244, the second buffer block 245 and the buffer column 251 are made of elastic materials; when the first sealing partition 241 and the second sealing partition 242 are stressed unevenly when sliding on the surface of the main valve plate 2, so that the distance between the first sealing partition 241 and the second sealing partition 242 is too large, the buffer column 251 can generate a gathering effect on the first sealing partition 241 and the second sealing partition 242 through the first buffer block 244 and the second buffer block 245, and the parallelism of the first sealing partition 241 and the second sealing partition 242 is ensured; when the first sealing partition 241 and the second sealing partition 242 are too close to each other, the spring of the buffer column 251 can be expanded to keep the first sealing partition 241 and the second sealing partition 242 parallel.
The main valve plate 2 is annularly provided with a first sealing ring 31 and a second sealing ring 32, and the first sealing ring 31 and the second sealing ring 32 are arranged on two sides of the connecting position of the main valve plate 2 and the valve shaft 3.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (5)
1. The utility model provides a butterfly valve structure of bivalve formula which characterized in that: comprises a valve shell (1), a main valve plate (2), a valve shaft (3), a first auxiliary valve plate (21), a second auxiliary valve plate (22) and a transmission device (4); the valve shaft (3) is installed in the valve casing (1) in a penetrating mode through the installation hole, the end portion of the valve shaft (3) is connected to the transmission device (4), and a handle (41) is arranged at the driving end of the transmission device (4); the main valve plate (2) is fixedly connected to the valve shaft (3), and the sealing surface of the main valve plate (2) is attached to the inner wall of the valve shell (1); the first auxiliary valve plate (21) and the second auxiliary valve plate (22) are respectively arranged on two side faces of the main valve plate (2), the main valve plate (2) is provided with a servo motor (23), the servo motor (23) is connected to the first auxiliary valve plate (21) and the second auxiliary valve plate (22) in a driving mode, and the servo motor (23) is connected to a control system in a signal mode; the first vice valve plate (21) and the vice valve plate of second (22) are semi-circular structure, the outer edge of first vice valve plate (21) and the vice valve plate of second (22) corresponds to the inner wall of valve casing (1).
2. The butterfly valve structure of claim 1, wherein: the first auxiliary valve plate (21) and the second auxiliary valve plate (22) are attached to the main valve plate (2) and provided with a first sealing partition plate (241) and a second sealing partition plate (242), and the first sealing partition plate (241) and the second sealing partition plate (242) are perpendicular to the main valve plate (2) to form a sealing partition groove; and a sealing plate (243) is arranged between the first sealing partition plate (241) and the second sealing partition plate (242).
3. A double-valve butterfly valve structure according to claim 2, characterized in that: the first sealing partition plate (241) and the second sealing partition plate (242) are made of elastic materials, and chamfer structures are arranged at the contact ends of the first sealing partition plate (241) and the second sealing partition plate (242) and the main valve plate (2).
4. A double-valve butterfly valve structure according to claim 2, characterized in that: the first sealing partition plate (241) is provided with a first buffer block (244), and the second sealing partition plate (242) is provided with a second buffer block (245); a buffer column (251) is connected between the first buffer block (244) and the second buffer block (245), and a spring is sleeved on the buffer column (251); the first buffer block (244), the second buffer block (245) and the buffer column (251) are made of elastic materials.
5. The butterfly valve structure of claim 1, wherein: the main valve plate (2) is annularly provided with a first sealing ring (31) and a second sealing ring (32), and the two sides of the connecting position of the main valve plate (2) and the valve shaft (3) are arranged on the first sealing ring (31) and the second sealing ring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231667.4U CN215806356U (en) | 2021-06-03 | 2021-06-03 | Butterfly valve structure of bivalve formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121231667.4U CN215806356U (en) | 2021-06-03 | 2021-06-03 | Butterfly valve structure of bivalve formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806356U true CN215806356U (en) | 2022-02-11 |
Family
ID=80175069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121231667.4U Active CN215806356U (en) | 2021-06-03 | 2021-06-03 | Butterfly valve structure of bivalve formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806356U (en) |
-
2021
- 2021-06-03 CN CN202121231667.4U patent/CN215806356U/en active Active
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