CN220378895U - Butterfly valve convenient to overhaul - Google Patents
Butterfly valve convenient to overhaul Download PDFInfo
- Publication number
- CN220378895U CN220378895U CN202320879139.2U CN202320879139U CN220378895U CN 220378895 U CN220378895 U CN 220378895U CN 202320879139 U CN202320879139 U CN 202320879139U CN 220378895 U CN220378895 U CN 220378895U
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- groove
- butterfly plate
- upper control
- fixed
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- 238000000034 method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract 2
- 230000032683 aging Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of valves, in particular to a butterfly valve convenient to overhaul, which comprises a valve body, wherein a circular groove is formed in the center of the inner wall of the valve body, a rubber ring is clamped and installed between the inner walls of the circular groove, a butterfly plate is arranged in the rubber ring, a fixed circular groove is formed in the bottom surface of the butterfly plate, and a fixed six-edge groove is formed in the top surface of the butterfly plate; realize the block fixed to the butterfly plate under the mutually supporting of lower dead lever and upper control rod, and lower dead lever and upper control rod are along sliding mode between first through-hole and the second through-hole downthehole wall respectively so that when needs take place ageing need maintenance to rubber ring or butterfly plate can make its and the butterfly plate break away from each other through pulling mode of lower dead lever and upper control rod and then make can take out the butterfly plate from the valve body, and be convenient for this moment to the maintenance change of rubber ring or butterfly plate, easy and simple to handle has increased the work efficiency to the device overhauls the in-process.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a butterfly valve convenient to overhaul.
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.
Butterfly valve among the prior art mainly comprises valve body, butterfly plate mounting hole, butterfly plate, rubber pad and controls structures such as handle, realizes the fixed to the butterfly plate through the mutual block between butterfly plate axostylus axostyle and the inside butterfly plate mounting hole of valve body, and the rubber pad is installed and is controlled the rotation that the axostylus axostyle that the handle had the butterfly plate to be connected between valve body and butterfly plate edge.
However, in the prior art, the tightness of the joint between the edge of the butterfly plate and the inner wall of the valve body is one of the main factors affecting the performance of the butterfly valve, most of the existing butterfly valves adopt a rubber gasket filling mode to realize the tight joint between the valve body and the butterfly plate, the rebound performance of the rubber gasket is reduced when the rubber gasket is aged, the performance of the butterfly valve is reduced, the rubber gasket needs to be replaced in the process of overhauling the butterfly valve, and the process of replacing the rubber gasket is troublesome due to the existing butterfly plate fixing mode, so that the overhauling efficiency of the butterfly valve is reduced; therefore, a butterfly valve convenient to overhaul is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problem of low overhaul efficiency, the utility model provides a butterfly valve convenient to overhaul.
The technical scheme adopted for solving the technical problems is as follows: the butterfly valve convenient to overhaul comprises a valve body, a circular groove is formed in the center of the inner wall of the valve body, a rubber ring is clamped and installed between the inner walls of the circular groove, a butterfly plate is arranged in the rubber ring, a fixed circular groove is formed in the bottom surface of the butterfly plate, a fixed six-edge groove is formed in the top surface of the butterfly plate, a first through hole is formed below the inner wall of the circular groove, a second through hole is formed above the inner wall of the circular groove, a lower fixing rod is clamped and installed between the inner walls of the first through hole, one end of the lower fixing rod penetrates through the rubber ring and the inner wall of the fixed circular groove, an upper control rod is slidably installed between the inner walls of the second through hole, one end of the upper control rod is fixedly provided with a hexagonal prism, and one end outer wall of the hexagonal prism penetrates through the rubber ring and is clamped with the inner wall of the fixed six-edge groove.
Preferably, a first cylindrical groove is formed between the inner walls of the first through holes, a first limiting ring is fixed between the outer walls of the lower fixing rods, and the outer walls of the first limiting ring and the inner walls of the first cylindrical groove are mutually clamped.
Preferably, a second cylindrical groove is formed between the inner walls of the second through holes, a second limiting ring is arranged between the outer walls of the upper control rods, and the outer walls of the second limiting ring are mutually clamped with the inner walls of the second cylindrical groove.
Preferably, a first spring is slidably mounted between the outer walls of the lower fixing rods, one end of the first spring is connected with the bottom surface of the first limiting ring, the other end of the first spring is connected with the bottom surface of the inner wall of the first cylindrical groove, the other end of the lower fixing rods penetrates through the bottom of the valve body, and the inner wall of the bottom surface groove of the lower fixing rods is provided with a clamping circular groove.
Preferably, a second spring is slidably arranged between the outer walls of the upper control rods, one end of the second spring is connected with the top surface of the second limiting ring, an annular bearing is fixed at the other end of the second spring, and the top surface of the annular bearing is in contact with the top surface of the inner wall of the second cylindrical groove.
Preferably, one end of the upper control rod is communicated to the upper part of the valve body, and one end of the upper control rod is provided with a control handle.
The utility model has the advantages that:
according to the utility model, the lower part of the butterfly plate is fixed by the mutual clamping between the lower fixing rod and the fixing circular groove, the upper part of the butterfly plate is fixed by the mutual clamping between the upper hexagonal prism on the upper control rod and the fixing hexagonal prism groove, the clamping and fixing of the butterfly plate are realized under the mutual matching of the lower fixing rod and the upper control rod, and the lower fixing rod and the upper control rod slide along the inner walls of the first through hole and the second through hole respectively, so that when the rubber ring or the butterfly plate needs to be aged and overhauled, the lower fixing rod and the upper control rod can be separated from the butterfly plate mutually by pulling, the butterfly plate can be taken out from the valve body, and at the moment, the rubber ring or the butterfly plate is convenient to maintain and replace, and the working efficiency of the device in the overhauling process is increased simply and conveniently.
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 schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the front cross-section of the valve body of the present utility model;
FIG. 3 is a schematic view of a butterfly plate structure of the utility model;
FIG. 4 is a schematic view of a partial front cross-section of the present utility model;
FIG. 5 is a schematic view of the lower fixing rod of the present utility model;
fig. 6 is a schematic view of the upper control rod structure of the present utility model.
In the figure: 1. a valve body; 11. circular ring grooves; 2. a rubber ring; 3. a butterfly plate; 31. fixing the round groove; 32. fixing the six-edge groove; 12. a first through hole; 13. a second through hole; 4. a lower fixing rod; 5. an upper control rod; 51. a hexagonal prism; 14. a first cylindrical groove; 41. a first stop collar; 15. a second cylindrical groove; 52. a second limiting ring; 42. a first spring; 43. the circular groove is clamped; 53. a second spring; 54. an annular bearing; 6. the handle is manipulated.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Referring to fig. 1-6, a butterfly valve convenient to overhaul includes a valve body 1, a circular groove 11 is formed in the center of the inner wall of the valve body 1, a rubber ring 2 is clamped and installed between the inner walls of the circular groove 11, a butterfly plate 3 is arranged in the rubber ring 2, a fixed circular groove 31 is formed in the bottom surface of the butterfly plate 3, a fixed hexagonal groove 32 is formed in the top surface of the butterfly plate 3, a first through hole 12 is formed below the inner wall of the circular groove 11, a second through hole 13 is formed above the inner wall of the circular groove 11, a lower fixing rod 4 is clamped and installed between the inner walls of the first through hole 12, one end of the lower fixing rod 4 penetrates through the rubber ring 2 and is clamped with the inner wall of the fixed circular groove 31, an upper control rod 5 is slidably installed between the inner walls of the second through hole 13, a hexagonal prism 51 is fixed at one end of the upper control rod 5, and one end of the hexagonal prism 51 penetrates through the rubber ring 2 and is clamped with the inner wall of the fixed hexagonal groove 32;
during operation, the valve body 1 is installed the rubber ring 2 through the annular groove 11, the butterfly plate 3 is installed inside the valve body 1, the rubber ring 2 is the main mechanism of packing and increasing laminating compactness between the butterfly plate 3 and the valve body 1 inside in the device, the fixed circular groove 31 is the structure of setting up and fixing the butterfly plate 3 in butterfly plate 3 below, the fixed six-edged groove 32 is the structure of setting up and fixing the butterfly plate 3 above the butterfly plate 3, the valve body 1 is installed lower dead lever 4 through first through hole 12, the valve body 1 is installed upper control lever 5 through second through hole 13, the fixing to butterfly plate 3 below is realized through the mutual block between lower dead lever 4 and the fixed circular groove 31 in the below of butterfly plate 3, the fixing to butterfly plate 3 top is realized through the mutual block between six-edged groove 32 on the upper control lever 5.
A first cylindrical groove 14 is formed between the inner walls of the first through holes 12, a first limiting ring 41 is fixed between the outer walls of the lower fixing rods 4, and the outer walls of the first limiting ring 41 are mutually clamped with the inner walls of the first cylindrical groove 14;
in operation, the first cylindrical groove 14 is formed in the inner wall of the first through hole 12, and is engaged with the first stopper 41 on the lower fixing rod 4 to restrict the vertical movement of the lower fixing rod 4.
A second cylindrical groove 15 is formed between the inner walls of the second through holes 13, a second limiting ring 52 is arranged between the outer walls of the upper control rod 5, and the outer walls of the second limiting ring 52 are mutually clamped with the inner walls of the second cylindrical groove 15;
in operation, the second cylindrical groove 15 is formed in the inner wall of the second through hole 13, and the upper control rod 5 is restricted from moving up and down by the mutual engagement between the second limiting ring 52 on the upper control rod 5 and the second cylindrical groove 15.
A first spring 42 is slidably mounted between the outer walls of the lower fixing rods 4, one end of the first spring 42 is connected with the bottom surface of the first limiting ring 41, the other end of the first spring 42 is connected with the bottom surface of the inner wall of the first cylindrical groove 14, the other end of the lower fixing rod 4 penetrates through the bottom of the valve body 1, and a clamping circular groove 43 is formed in the inner wall of the bottom surface groove of the lower fixing rod 4;
during operation, the first limiting ring 41 and the first cylindrical groove 14 are connected through the first spring 42, so that the lower fixing rod 4 has a trend of moving towards the direction where the butterfly plate 3 is located under the elastic acting force of the first spring 42, and at the moment, the lower fixing rod 4 and the fixing circular groove 31 are mutually clamped to realize the clamping fixation of the lower fixing rod 4 to the butterfly plate 3, the clamping circular groove 43 is arranged on the lower fixing rod 4 and used for pulling the lower fixing rod 4 to overcome the elastic acting force of the first spring 42, and after an external tool is clamped with the clamping circular groove 43, the lower fixing rod 4 can be pulled to overcome the elastic acting force of the first spring 42, so that the lower fixing rod 4 and the fixing circular groove 31 are separated.
A second spring 53 is slidably arranged between the outer walls of the upper control rod 5, one end of the second spring 53 is connected with the top surface of the second limiting ring 52, the other end of the second spring 53 is fixed with an annular bearing 54, and the top surface of the annular bearing 54 is contacted with the top surface of the inner wall of the second cylinder groove 15;
during operation, the second limiting ring 52 and the annular bearing 54 are connected through the second spring 53, the annular bearing 54 is in contact with the second cylindrical groove 15, so that the upper control rod 5 integrally has a trend of moving towards the direction where the butterfly plate 3 is located under the elastic acting force of the second spring 53, at the moment, the hexagonal prism 51 and the fixed hexagonal groove 32 are mutually clamped, the upper control rod 5 is fixed to the butterfly plate 3 and simultaneously the upper control rod 5 is rotated to drive the butterfly plate 3 to rotate, and the structural characteristic of the annular bearing 54 enables the installation of the second spring 53 in the rotating process of the upper control rod 5 not to be rotation obstruction.
One end of the upper control rod 5 is communicated to the upper part of the valve body 1, and a control handle 6 is arranged at one end of the upper control rod 5;
in operation, the upper control rod 5 is controlled to rotate by the control handle 6.
Working principle: the valve body 1 installs the rubber ring 2 through the annular groove 11, the valve body 1 installs lower dead lever 4 through first through hole 12, the valve body 1 installs upper control lever 5 through second through hole 13, fix the lower dead lever 4 and fixed circular slot 31 through the mutual block between lower dead lever 4 and the fixed circular slot 31 in the below of butterfly plate 3, fix the butterfly plate 3 top through the mutual block between hexagonal prism 51 and fixed hexagonal prism slot 32 on upper control lever 5 in the top of butterfly plate 3, connect first spacing ring 41 and first drum slot 14 through first spring 42, make lower dead lever 4 have the trend to the direction that butterfly plate 3 is located under the elastic effort of first spring 42, pull lower dead lever 4 and take place to break away from with fixed circular slot 31 through the elastic effort of first spring 42 after external instrument and block circular slot 43 block, connect second spacing ring 52 and annular bearing 54 through second spring 53, and annular bearing 54 contact with second drum slot 15 make the elastic effort of second spring 53 have the trend to rotate on the direction that the butterfly plate 3 is located, control handle 5 is controlled to the direction of rotation of the whole handle 5.
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 foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a butterfly valve convenient to overhaul, includes valve body (1), ring groove (11) have been seted up to the inner wall center department of valve body (1), block installs rubber ring (2) between the inner wall in ring groove (11), the inside of rubber ring (2) is provided with butterfly plate (3), its characterized in that: fixed circular groove (31) have been seted up to the bottom surface of butterfly plate (3), fixed hexagonal groove (32) have been seted up to the top surface of butterfly plate (3), first through-hole (12) have been seted up to the inner wall below of circular groove (11), second through-hole (13) have been seted up to the inner wall top of circular groove (11), lower dead lever (4) are installed to the block between the inner wall of first through-hole (12), the one end of lower dead lever (4) link up between the inner wall of rubber ring (2) and fixed circular groove (31) mutually block, slidable mounting has upper control lever (5) between the inner wall of second through-hole (13), the one end of upper control lever (5) is fixed with hexagonal prism (51), the one end outer wall of hexagonal prism (51) link up between the inner wall of rubber ring (2) and fixed hexagonal groove (32) mutually block.
2. The easy access butterfly valve of claim 1, wherein: a first cylindrical groove (14) is formed between the inner walls of the first through holes (12), a first limiting ring (41) is fixed between the outer walls of the lower fixing rods (4), and the outer walls of the first limiting ring (41) are mutually clamped with the inner walls of the first cylindrical groove (14).
3. The easy access butterfly valve of claim 2, wherein: a second cylindrical groove (15) is formed between the inner walls of the second through holes (13), a second limiting ring (52) is arranged between the outer walls of the upper control rod (5), and the outer walls of the second limiting ring (52) are mutually clamped with the inner walls of the second cylindrical groove (15).
4. A butterfly valve for easy access according to claim 3, wherein: the novel valve is characterized in that a first spring (42) is slidably mounted between the outer walls of the lower fixing rods (4), one end of the first spring (42) is connected with the bottom surface of the first limiting ring (41), the other end of the first spring (42) is connected with the bottom surface of the inner wall of the first cylindrical groove (14), the other end of the lower fixing rods (4) penetrates through the bottom of the valve body (1), and a clamping circular groove (43) is formed in the inner wall of a groove in the bottom surface of the lower fixing rods (4).
5. The easy access butterfly valve of claim 1, wherein: a second spring (53) is slidably arranged between the outer walls of the upper control rod (5), one end of the second spring (53) is connected with the top surface of the second limiting ring (52), an annular bearing (54) is fixed at the other end of the second spring (53), and the top surface of the annular bearing (54) is in contact with the top surface of the inner wall of the second cylindrical groove (15).
6. The easy access butterfly valve of claim 5, wherein: one end of the upper control rod (5) penetrates through the upper portion of the valve body (1), and one end of the upper control rod (5) is provided with a control handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320879139.2U CN220378895U (en) | 2023-04-19 | 2023-04-19 | Butterfly valve convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320879139.2U CN220378895U (en) | 2023-04-19 | 2023-04-19 | Butterfly valve convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378895U true CN220378895U (en) | 2024-01-23 |
Family
ID=89562857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320879139.2U Active CN220378895U (en) | 2023-04-19 | 2023-04-19 | Butterfly valve convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378895U (en) |
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2023
- 2023-04-19 CN CN202320879139.2U patent/CN220378895U/en active Active
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