CN218207858U - Butterfly valve with high sealing performance - Google Patents
Butterfly valve with high sealing performance Download PDFInfo
- Publication number
- CN218207858U CN218207858U CN202222519060.7U CN202222519060U CN218207858U CN 218207858 U CN218207858 U CN 218207858U CN 202222519060 U CN202222519060 U CN 202222519060U CN 218207858 U CN218207858 U CN 218207858U
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- butterfly valve
- butt joint
- rubber pad
- hollow rubber
- valve
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Abstract
The utility model discloses a butterfly valve of high leakproofness relates to the butterfly valve field. The butterfly valve is characterized in that a valve plate is movably mounted in the butterfly valve body, a valve rod is fixedly mounted on the valve plate, a butt joint seat is fixedly mounted at the upper end of the valve rod, a positioning assembly is fixedly mounted in the butterfly valve body and comprises a movable through hole, a positioning base, a positioning opening, a mounting groove and a movable blind hole, a sealing assembly is fixedly mounted in the mounting groove and comprises a connecting port, a hollow rubber pad, a butt joint pipeline, a butt joint nozzle and a conical water inlet, the hollow rubber pad is fixedly mounted in the mounting groove, and the connecting port is formed in the hollow rubber pad. The hydraulic pressure of valve plate one side will sharply rise after the fluid is cut off, and the fluid will get into in the hollow rubber pad through the toper water inlet after the hydraulic pressure of valve plate one side rises, and it can expand after the fluid gets into in the hollow rubber pad, can fill in the gap between butterfly valve main part and the valve plate after the expansion of hollow rubber pad, and hydraulic pressure fills better more to improve the sealed effect of valve plate.
Description
Technical Field
The utility model relates to a butterfly valve field, in particular to butterfly valve of high leakproofness.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The main functions of cutting off and throttling are realized on the pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. When the pressure of fluid in the valve body is too high, high-pressure fluid impacts the valve plate, so that the valve plate deflects, an impact gap is generated between the valve plate and the valve body, the sealing ring is easily abraded or damaged, the sealing effect between the valve body and the valve plate is influenced, and the butterfly valve is further caused to leak.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a butterfly valve of high leakproofness can effectively solve the problem of mentioning in the background art.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a butterfly valve of high leakproofness, includes the butterfly valve main part, movable mounting has the valve plate in the butterfly valve main part, fixed mounting has the valve rod on the valve plate, valve rod upper end fixed mounting has the butt joint seat, fixed mounting has positioning assembly in the butterfly valve main part, positioning assembly includes movable through-hole, location base, location opening, mounting groove and activity blind hole, location base fixed mounting is in the butterfly valve main part, set up mounting groove on the location base, location opening has been seted up to location base front surface, location base upper end department sets up in the movable through-hole, location base lower extreme department has seted up movable blind hole, fixed mounting has seal assembly in the mounting groove, seal assembly includes connector, hollow rubber pad, butt joint pipeline, butt joint mouth and toper water inlet, hollow rubber pad fixed mounting has seted up the connector on the hollow rubber pad, be connected with the butt joint pipeline in the connector, butt joint pipeline end fixed mounting has the toper water inlet, fixed mounting has the butt joint mouth on the toper water inlet, the hydraulic pressure of valve plate one side will sharply rise after the fluid is cut, and the fluid will get into in the hollow rubber pad through the toper water inlet after the hydraulic pressure sharply rises.
Further, the positioning base and the butterfly valve main body are integrally formed.
Further, the hollow rubber pad is installed in the positioning base through the installation groove, the conical water inlet is installed in the positioning base through the positioning opening, one end of the valve rod is movably installed in the positioning base through the movable blind hole, and the other end of the valve rod extends out of the positioning base through the movable through hole.
Furthermore, a groove is formed in the positioning base, and the butt joint pipeline is installed in the positioning base through the groove.
Further, the butt joint pipeline is connected to the hollow rubber pad through a connecting port, the conical water inlet is connected to the butt joint pipeline through a butt joint nozzle, one end of the butt joint pipeline is communicated with the hollow rubber pad, and the other end of the butt joint pipeline is communicated with the conical water inlet.
Further, the valve plate is movably installed in the butterfly valve body through the valve rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
fluid will be cut off after the valve plate is closed, and the fluid will sharply rise by the hydraulic pressure of valve plate one side after the fluid is cut off, and fluid will get into in the hollow rubber pad through the toper water inlet after the hydraulic pressure of valve plate one side sharply rises, and it can expand after the fluid gets into in the hollow rubber pad, can fill in the gap between butterfly valve main part and the valve plate after the hollow rubber pad inflation, and hydraulic pressure fills better more to improve the sealed effect of valve plate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a seal assembly of the present invention;
fig. 3 is a schematic view of the positioning assembly of the present invention.
In the figure: 1. a docking station; 2. a valve stem; 3. a butterfly valve body; 4. a valve plate; 5. a positioning assembly; 501. a movable through hole; 502. positioning a base; 503. positioning the opening; 504. installing a groove; 505. a movable blind hole; 6. a seal assembly; 601. a connecting port; 602. a hollow rubber pad; 603. butting pipelines; 604. a butt joint mouth; 605. a conical water inlet.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 3, the butterfly valve comprises a butterfly valve body 3, a valve plate 4 is movably mounted in the butterfly valve body 3, a valve rod 2 is fixedly mounted on the valve plate 4, a butt joint seat 1 is fixedly mounted at the upper end of the valve rod 2, a positioning component 5 is fixedly mounted in the butterfly valve body 3, a sealing component 6 is fixedly mounted in a mounting groove 504, and the valve plate 4 is movably mounted in the butterfly valve body 3 through the valve rod 2.
The butterfly valve comprises a butterfly valve body 3, a positioning assembly 5 is fixedly installed in the butterfly valve body 3, the positioning assembly 5 comprises a movable through hole 501, a positioning base 502, a positioning opening 503, an installation groove 504 and a movable blind hole 505, the positioning base 502 is fixedly installed in the butterfly valve body 3, the installation groove 504 is formed in the positioning base 502, the positioning opening 503 is formed in the front surface of the positioning base 502, the upper end of the positioning base 502 is arranged at the movable through hole 501, the movable blind hole 505 is formed in the lower end of the positioning base 502, a sealing assembly 6 is fixedly installed in the installation groove 504, the sealing assembly 6 comprises a connecting port 601, a hollow rubber gasket 602, a butt joint pipeline 603, a butt joint nozzle 604 and a conical water inlet 605, the hollow rubber gasket 602 is fixedly installed in the installation groove 504, the connecting port 601 is formed in the hollow rubber gasket 602, the butt joint pipeline 603 is connected in the connecting port 601, the conical water inlet 605 is fixedly installed at the tail end of the butt joint pipeline 603, the butt joint nozzle 604 is fixedly installed on the conical water inlet 605, after the butterfly valve plate 4 is closed, the butterfly valve plate 4 is blocked, the hydraulic pressure on one side of the butterfly valve plate 4 rises sharply, the fluid enters the hollow rubber gasket 602 better after the fluid enters the hollow rubber gasket, the fluid enters the hollow rubber gasket 605, the gap between the butterfly valve plate 602 and the butterfly valve plate is larger the butterfly valve plate is filled in the butterfly valve plate, and the butterfly valve plate 4, and the butterfly valve plate, and the gap filled between the butterfly valve plate is increased.
It should be noted that, the utility model relates to a butterfly valve of high leakproofness, in the time of practical use, at first rotate valve rod 2, because valve rod 2 one end is through activity blind hole 505 movable mounting in location base 502, the valve rod 2 other end stretches out outside location base 502 through activity through-hole 501, then valve plate 4 will rotate after rotating valve rod 2, thereby make valve plate 4 close, fluid will be cut after valve plate 4 closes, the hydraulic pressure of valve plate 4 one side will sharply rise after the fluid is cut, because hollow rubber pad 602 installs in location base 502 through mounting groove 504, toper water inlet 605 is installed in location base 502 through location opening 503, docking pipe 603 passes through connector 601 and connects on hollow rubber pad 602, toper water inlet 605 passes through docking nozzle 604 and connects on docking pipe 603, docking pipe 603 one end and hollow rubber pad 602 UNICOM, the other end of docking pipe 603 and toper water inlet 605, then, fluid will get into hollow rubber pad 602 through toper water inlet after the hydraulic pressure of valve plate 4 one side sharply rises, fluid can expand after getting into hollow rubber pad 602, the better after the inflation can fill in the butterfly valve plate 3 and valve plate 4, and the big end of the hydraulic pressure of valve plate can be in the hydraulic pressure sealing effect of the backward fluid can not be opened simultaneously, thereby can the fluid can be in the backward the rotary effect of the hollow rubber pad 2, the rotary effect will be just can be reduced after the hollow rubber pad, thereby can be opened.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a butterfly valve of high leakproofness which characterized in that: the butterfly valve comprises a butterfly valve body (3), a valve plate (4) is movably mounted in the butterfly valve body (3), a valve rod (2) is fixedly mounted on the valve plate (4), a butt joint seat (1) is fixedly mounted at the upper end of the valve rod (2), a positioning assembly (5) is fixedly mounted in the butterfly valve body (3), the positioning assembly (5) comprises a movable through hole (501), a positioning base (502), a positioning opening (503), a mounting groove (504) and a movable blind hole (505), the positioning base (502) is fixedly mounted in the butterfly valve body (3), the mounting groove (504) is formed in the positioning base (502), the positioning opening (503) is formed in the front surface of the positioning base (502), the upper end of the positioning base (502) is formed in the movable through hole (501), the movable blind hole (505) is formed in the lower end of the positioning base (502), a sealing assembly (6) is fixedly mounted in the mounting groove (504), the sealing assembly (6) comprises a connecting port (601), a hollow rubber pad (602), a butt joint pipeline (603), a butt joint nozzle (604) and a conical rubber pad (602), the hollow rubber pad (602) is fixedly mounted on the mounting groove (602), the connector (601) is internally connected with a butt joint pipeline (603), the tail end of the butt joint pipeline (603) is fixedly provided with a conical water inlet (605), and a butt joint nozzle (604) is fixedly arranged on the conical water inlet (605).
2. The butterfly valve with high sealing performance according to claim 1, wherein: the positioning base (502) and the butterfly valve main body (3) are integrally formed.
3. A butterfly valve with high sealing performance according to claim 2, wherein: the hollow rubber pad (602) is arranged in the positioning base (502) through the mounting groove (504), the conical water inlet (605) is arranged in the positioning base (502) through the positioning notch (503), one end of the valve rod (2) is movably arranged in the positioning base (502) through the movable blind hole (505), and the other end of the valve rod (2) extends out of the positioning base (502) through the movable through hole (501).
4. A butterfly valve with high sealing performance according to claim 3, wherein: the positioning base (502) is internally provided with a groove, and the butt joint pipeline (603) is arranged in the positioning base (502) through the groove.
5. The butterfly valve with high sealing performance according to claim 4, wherein: the butt joint pipeline (603) is connected to the hollow rubber pad (602) through a connecting port (601), the conical water inlet (605) is connected to the butt joint pipeline (603) through a butt joint nozzle (604), one end of the butt joint pipeline (603) is communicated with the hollow rubber pad (602), and the other end of the butt joint pipeline (603) is communicated with the conical water inlet (605).
6. A butterfly valve with high sealing performance according to claim 5, wherein: the valve plate (4) is movably arranged in the butterfly valve main body (3) through the valve rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222519060.7U CN218207858U (en) | 2022-09-23 | 2022-09-23 | Butterfly valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222519060.7U CN218207858U (en) | 2022-09-23 | 2022-09-23 | Butterfly valve with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207858U true CN218207858U (en) | 2023-01-03 |
Family
ID=84638534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222519060.7U Active CN218207858U (en) | 2022-09-23 | 2022-09-23 | Butterfly valve with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207858U (en) |
-
2022
- 2022-09-23 CN CN202222519060.7U patent/CN218207858U/en active Active
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