CN220452854U - Leak-proof flange butterfly valve - Google Patents
Leak-proof flange butterfly valve Download PDFInfo
- Publication number
- CN220452854U CN220452854U CN202320043915.5U CN202320043915U CN220452854U CN 220452854 U CN220452854 U CN 220452854U CN 202320043915 U CN202320043915 U CN 202320043915U CN 220452854 U CN220452854 U CN 220452854U
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- China
- Prior art keywords
- lead screw
- flange
- valve body
- butterfly valve
- leak
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of flange butterfly valves, in particular to a leakage-proof flange butterfly valve which can effectively enhance the installation stability of the butterfly valve, and the flanges are in tight butt joint, so that the tightness is improved, and leakage is avoided; including the valve body, both ends all communicate about the valve body and are equipped with the flange, are equipped with valve rod assembly on the valve body, and valve rod assembly input is fixed and is equipped with the hand wheel, annular equidistance is equipped with three group clamping mechanism on the valve body, clamping mechanism includes riser, diaphragm, left lead screw, right lead screw, left briquetting and right briquetting, riser fixed mounting on the valve body, diaphragm fixed mounting is equipped with two sets of screw holes on the riser on the diaphragm, left lead screw and right lead screw pass through the spiral shell dress symmetrical with the cooperation of screw hole on the diaphragm, and left lead screw and right lead screw outside fixed cover are equipped with left knob and right knob respectively, and left briquetting and right briquetting respectively fixed mounting are inboard at left lead screw and right lead screw.
Description
Technical Field
The utility model relates to the technical field of flange butterfly valves, in particular to a leakage-proof flange butterfly valve.
Background
The butterfly valve is characterized in that the rotation center of the butterfly plate is positioned on the center line of the valve body and the section of the sealing surface of the butterfly plate, and pipeline flanges are arranged at the two ends of the inlet and the outlet of the valve body and used for installing the valve body and a pipeline.
Whether laminating between the flange is inseparable, is the main factor that guarantees flange butterfly valve seal, current flange butterfly valve, and when the installation, the pipeline flange on the valve body is inconvenient to be connected with the flange on the pipeline, still needs the staff to hold in the palm and holds up, and the stationarity is relatively poor, influences the leakproofness of flange butt joint, causes very easily to reveal.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the leak-proof flange butterfly valve which can effectively enhance the installation stability of the butterfly valve, ensure that flanges are in tight butt joint, improve the sealing performance and avoid leakage.
The utility model discloses a leakage-proof flange butterfly valve which comprises a valve body, wherein flanges are respectively communicated with the left end and the right end of the valve body, a valve rod assembly is arranged on the valve body, a hand wheel is fixedly arranged at the input end of the valve rod assembly, three groups of clamping mechanisms are annularly and equidistantly arranged on the valve body, each clamping mechanism comprises a vertical plate, a transverse plate, a left screw rod, a right screw rod, a left pressing block and a right pressing block, the vertical plates are fixedly arranged on the valve body, the transverse plates are fixedly arranged on the vertical plates, two groups of threaded holes are formed in the transverse plates, the left screw rod and the right screw rod are symmetrically and spirally arranged on the transverse plates through matching with the threaded holes, a left knob and a right knob are fixedly sleeved on the outer sides of the left screw rod and the right screw rod respectively, and the left pressing block and the right pressing block are fixedly arranged on the inner sides of the left screw rod and the right screw rod respectively.
According to the leak-proof flange butterfly valve, the left screw rod and the right screw rod are both provided with the locking nut in a threaded manner, and the locking nut is tightly attached to the outer side of the transverse plate.
According to the leakage-proof flange butterfly valve, the top ends of the left pressing block and the right pressing block are respectively connected with a fastening pad.
The utility model relates to a leak-proof flange butterfly valve, wherein a sealing frustum is connected with the outer side of a flange.
The outer sides of the two groups of flanges are respectively connected with a sealing gasket.
According to the leakage-proof flange butterfly valve, two groups of reinforcing plates are symmetrically arranged on the vertical plate, and the outer sides of the two groups of reinforcing plates are connected with the inner sides of the transverse plates.
According to the leak-proof flange butterfly valve, the circumference outer walls of the left knob and the right knob are provided with the anti-skid patterns.
Compared with the prior art, the utility model has the beneficial effects that: when the flange butt joint device is used, when the flange butt joint device is needed, the left screw rod and the right screw rod are respectively rotated through the rotation of the left knob and the right knob, the left screw rod drives the left pressing block to move inwards, the right screw rod drives the right pressing block to move inwards, the flange to be connected is tightly clamped on the flange to be connected through the left pressing block and the right pressing block, the flange to be connected is fixed, the flange is aligned with the flange to be connected, in the connecting process, workers are not required to support, the butt joint flange and the flange are kept to be tightly attached, accordingly the installation stability of the butterfly valve can be effectively enhanced, the flange butt joint is tighter, the sealing performance is improved, and leakage is avoided.
Drawings
FIG. 1 is a schematic front side view of the present utility model;
FIG. 2 is a left side schematic view of the present utility model;
FIG. 3 is a schematic view of the left side cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of the front side structure of the flange of the present utility model;
the reference numerals in the drawings: 1. a valve body; 2. a flange; 3. a valve stem assembly; 4. a hand wheel; 5. a vertical plate; 6. a cross plate; 7. a left screw rod; 8. a right screw rod; 9. a left knob; 10. a right knob; 11. a left pressing block; 12. a right pressing block; 13. locking a nut; 14. a fastening pad; 15. sealing the frustum; 16. a sealing gasket; 17. a reinforcing plate; 18. anti-skid lines.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples serve to illustrate the utility model, but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the leak-proof flange butterfly valve comprises a valve body 1, flanges 2 are respectively communicated with the left end and the right end of the valve body 1, a valve rod assembly 3 is arranged on the valve body 1, a hand wheel 4 is fixedly arranged at the input end of the valve rod assembly 3, three groups of clamping mechanisms are annularly and equidistantly arranged on the valve body 1, the clamping mechanisms comprise a vertical plate 5, a transverse plate 6, a left screw rod 7, a right screw rod 8, a left pressing block 11 and a right pressing block 12, the vertical plate 5 is fixedly arranged on the valve body 1, the transverse plate 6 is fixedly arranged on the vertical plate 5, two groups of threaded holes are formed in the transverse plate 6, the left screw rod 7 and the right screw rod 8 are symmetrically arranged on the transverse plate 6 through threads matched with the threaded holes, a left knob 9 and a right knob 10 are fixedly sleeved outside the left screw rod 7 and the right screw rod 8 respectively, and the left pressing block 11 and the right pressing block 12 are fixedly arranged inside the left screw rod 7 and the right screw rod 8 respectively; when the flange butt joint device is used, when the flange butt joint device is needed, the left screw rod 7 and the right screw rod 8 are respectively rotated through the rotation of the left knob 9 and the right knob 10, the left screw rod 7 drives the left pressing block 11 to move inwards, the right screw rod 8 drives the right pressing block 12 to move inwards, the flange to be connected is tightly clamped on the flange to be connected through the left pressing block 11 and the right pressing block 12, the flange to be connected is fixed, the flange 2 is aligned with the flange to be connected, in addition, in the connecting process, workers are not required to support, the flange butt joint device is kept tightly attached to the flange 2, so that the mounting stability of a butterfly valve can be effectively enhanced, the flange butt joint is tighter, the sealing performance is improved, and leakage is avoided.
According to the leak-proof flange butterfly valve, the left screw rod 7 and the right screw rod 8 are both provided with the lock nut 13 in a threaded manner, and the lock nut 13 is tightly attached to the outer side of the transverse plate 6; through setting up lock nut 13, can make left briquetting 11 and right briquetting 12 when the centre gripping flange, can screw up lock nut 13, make left briquetting 11 and right briquetting 12 lock dead, improve the reliability of use.
The top ends of the left pressing block 11 and the right pressing block 12 are respectively connected with a fastening pad 14; by providing the fastening pad 14, the flange clamping by the left press block 11 and the right press block 12 can be firmer, and the use reliability can be improved.
The utility model relates to a leak-proof flange butterfly valve, wherein the outer side of a flange 2 is connected with a sealing frustum 15; by providing the sealing frustum 15, the sealing performance of the connection between the flange 2 and the flange can be enhanced, and the use reliability can be improved.
The outer sides of the two groups of flanges 2 are respectively connected with a sealing gasket 16; by providing the gasket 16, the flange 2 can be more tightly abutted against the flange, and the use reliability can be improved.
According to the leak-proof flange butterfly valve, two groups of reinforcing plates 17 are symmetrically arranged on the vertical plate 5, and the outer sides of the two groups of reinforcing plates 17 are connected with the inner side of the transverse plate 6; by providing the reinforcing plate 17, the installation between the vertical plate 5 and the transverse plate 6 can be more firmly and stably performed, and the use reliability can be improved.
According to the leak-proof flange butterfly valve, the circumference outer walls of the left knob 9 and the right knob 10 are provided with the anti-skid patterns 18; by providing the anti-slip patterns 18, slipping of the hands during rotation of the left knob 9 and the right knob 10 can be effectively prevented, and the use reliability can be improved.
When the leak-proof flange butterfly valve is used, when the flange is needed to be connected, the left screw rod 7 and the right screw rod 8 are respectively rotated by rotating the left knob 9 and the right knob 10, so that the left screw rod 7 drives the left pressing block 11 to move inwards, the right screw rod 8 drives the right pressing block 12 to move inwards, the flange to be connected is tightly clamped on the flange to be connected through the left pressing block 11 and the right pressing block 12, the flange to be connected is fixed, the flange 2 is aligned with the flange to be connected, and in the connecting process, workers do not need to support and hold the flange to keep the flange to be connected closely.
The installation mode, the connection mode or the setting mode of the leak-proof flange butterfly valve are common mechanical modes, and the leak-proof flange butterfly valve can be implemented as long as the beneficial effects can be achieved; those skilled in the art will readily install and operate the device in accordance with the instructions accompanying thereto.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a leak protection formula flange butterfly valve, includes valve body (1), both ends all communicate about valve body (1) and are equipped with flange (2), are equipped with valve rod assembly (3) on valve body (1), and valve rod assembly (3) input is fixed and is equipped with hand wheel (4), a serial communication port, annular equidistance is equipped with three group's clamping mechanism on valve body (1), clamping mechanism includes riser (5), diaphragm (6), left lead screw (7), right lead screw (8), left briquetting (11) and right briquetting (12), riser (5) fixed mounting is on valve body (1), diaphragm (6) fixed mounting is on riser (5), is equipped with two sets of screw holes on diaphragm (6), and left lead screw (7) and right lead screw (8) are equipped with left knob (9) and right knob (10) through the spiral shell of the symmetry with the cooperation of screw hole respectively fixed cover in the outside of left lead screw (7) and right lead screw (8), and left briquetting (11) and right briquetting (12) respectively fixed mounting are inboard (7) and right lead screw (8).
2. The leak-proof flange butterfly valve according to claim 1, wherein the left screw rod (7) and the right screw rod (8) are both provided with a lock nut (13) in a threaded manner, and the lock nut (13) is tightly attached to the outer side of the transverse plate (6).
3. The leak-proof flange butterfly valve according to claim 2, wherein the top ends of the left pressing block (11) and the right pressing block (12) are respectively connected with a fastening pad (14).
4. A leak-proof flange butterfly valve according to claim 3, characterized in that the flange (2) is provided with a sealing cone (15) at its outer connection.
5. The leak-proof flange butterfly valve of claim 4, wherein the outer sides of the two sets of flanges (2) are each provided with a gasket (16).
6. The leakproof flange butterfly valve according to claim 5, characterized in that the vertical plate (5) is symmetrically provided with two groups of reinforcing plates (17), and the outer sides of the two groups of reinforcing plates (17) are connected with the inner sides of the transverse plates (6).
7. The leak-proof flange butterfly valve according to claim 6, characterized in that the circumferential outer walls of the left knob (9) and the right knob (10) are provided with anti-slip patterns (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320043915.5U CN220452854U (en) | 2023-01-06 | 2023-01-06 | Leak-proof flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320043915.5U CN220452854U (en) | 2023-01-06 | 2023-01-06 | Leak-proof flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452854U true CN220452854U (en) | 2024-02-06 |
Family
ID=89739819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320043915.5U Active CN220452854U (en) | 2023-01-06 | 2023-01-06 | Leak-proof flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452854U (en) |
-
2023
- 2023-01-06 CN CN202320043915.5U patent/CN220452854U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |