CN213419923U - Double-clip butterfly valve convenient to maintain - Google Patents
Double-clip butterfly valve convenient to maintain Download PDFInfo
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- CN213419923U CN213419923U CN202022248508.7U CN202022248508U CN213419923U CN 213419923 U CN213419923 U CN 213419923U CN 202022248508 U CN202022248508 U CN 202022248508U CN 213419923 U CN213419923 U CN 213419923U
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- 238000012423 maintenance Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a double-clip formula butterfly valve convenient to maintain, including disk seat, valve plate and actuating mechanism, the top and the bottom of disk seat all run through and be connected with the formula of cutting off valve rod, and the outside cover of cutting off formula valve rod is equipped with the stop collar, be provided with the screw lead screw of symmetric distribution on the valve plate, the both sides of stop collar are provided with the thread bush of being connected with screw lead screw spiral closure, the center department cover of screw lead screw is equipped with vice awl tooth. The utility model discloses in, rotate the worm, the worm drives the worm wheel and rotates, the worm wheel drives the drive shaft and rotates, the drive shaft drives main awl tooth and rotates, main awl tooth drives vice awl tooth and rotates, vice awl tooth drives the screw lead screw and rotates, the rotation of screw lead screw drives the thread bush and removes to the center department that is close to the screw lead screw, the thread bush drives stop collar synchronous motion, make stop collar and truncation formula valve rod break away from, thereby dismantle valve plate and truncation formula valve rod fast, be convenient for change and maintain the valve plate, the maintenance efficiency of double-jaw butterfly valve has been improved.
Description
Technical Field
The utility model relates to a butterfly valve technical field especially relates to a double-clip formula butterfly valve convenient to maintain.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and 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 pipe mainly plays a role in cutting off and throttling. 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.
The valve rod and the valve plate of the existing double-clamp butterfly valve are generally fixedly connected by bolts, when the valve plate needs to be replaced or maintained, the valve body needs to be disassembled firstly, then the valve plate is disassembled, the disassembling and assembling processes are troublesome, and the maintenance efficiency of the double-clamp butterfly valve is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that a valve plate is not easy to disassemble, the double-clamp butterfly valve convenient to maintain is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a double-clip butterfly valve convenient to maintain, includes disk seat, valve plate and actuating mechanism, the top and the bottom of disk seat all through connection have the formula of cutting valve rod, and the outside cover of cutting formula valve rod is equipped with the stop collar, be provided with symmetric distribution's screw lead screw on the valve plate, the both sides of stop collar are provided with the thread bush of being connected with screw lead screw spiral, the center department cover of screw lead screw is equipped with vice awl tooth, the center department of valve plate is connected with the drive shaft through fixed cover, the both ends cover of drive shaft is equipped with main awl tooth, the center department cover of drive shaft is equipped with the worm wheel, it is connected with the worm to rotate on the.
As a further description of the above technical solution:
the driving shaft is in running fit with the fixed sleeve.
As a further description of the above technical solution:
the worm is meshed with the worm wheel.
As a further description of the above technical solution:
the limiting sleeve is in sliding fit with the cut-off valve rod.
As a further description of the above technical solution:
and a sealing ring is arranged in the valve seat.
As a further description of the above technical solution:
the cut-off valve rod position is of a polygonal structure.
As a further description of the above technical solution:
the threaded screw rod is provided with double threads with opposite screwing directions.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, rotate the worm, the worm drives the worm wheel and rotates, the worm wheel drives the drive shaft and rotates, the drive shaft drives main awl tooth and rotates, main awl tooth drives vice awl tooth and rotates, vice awl tooth drives the screw lead screw and rotates, the rotation of screw lead screw drives the thread bush and removes to the center department that is close to the screw lead screw, the thread bush drives stop collar synchronous motion, make stop collar and truncation formula valve rod break away from, thereby dismantle valve plate and truncation formula valve rod fast, be convenient for change and maintain the valve plate, the maintenance efficiency of double-jaw butterfly valve has been improved.
2. The utility model discloses in, through the setting of truncation formula valve rod, stop collar and sealing washer, drive the truncation formula valve rod through actuating mechanism and take place to rotate, because the polygonized structure of truncation formula valve rod drives the valve plate with the cooperation of stop collar and rotates to realize the break-make of valve plate, form positive extrusion with the sealing washer under the condition that the valve plate is closed, improved the leakproofness of double-jaw butterfly valve.
Drawings
Fig. 1 is a schematic view illustrating a front view structure of a double-clip butterfly valve convenient for maintenance according to an embodiment of the present invention;
fig. 2 is a schematic side cross-sectional view of a double-clip butterfly valve convenient for maintenance according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a portion a of a double-clip butterfly valve convenient for maintenance according to an embodiment of the present invention;
fig. 4 shows a schematic view of a double-clamp butterfly valve worm and gear connection structure convenient for maintenance according to an embodiment of the present invention.
Illustration of the drawings:
1. a valve seat; 2. a valve plate; 3. a block-type valve stem; 4. a drive mechanism; 5. a threaded lead screw; 6. a limiting sleeve; 7. a threaded sleeve; 8. a secondary bevel gear; 9. fixing a sleeve; 10. a drive shaft; 11. a main bevel gear; 12. a worm gear; 13. a worm; 14. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a double-clip butterfly valve convenient to maintain comprises a valve seat 1, a valve plate 2 and a driving mechanism 4, wherein the top and the bottom of the valve seat 1 are respectively connected with a cut-off valve rod 3 in a penetrating way, the cut-off valve rod 3 is driven to rotate by the driving mechanism 4, the valve plate 2 is driven to rotate by the rotation of the cut-off valve rod 3, so that the valve plate 2 is switched on and off, a limiting sleeve 6 is sleeved outside the cut-off valve rod 3, threaded lead screws 5 which are symmetrically distributed are arranged on the valve plate 2, threaded sleeves 7 which are in screwed connection with the threaded lead screws 5 are arranged on two sides of the limiting sleeve 6, the threaded sleeves 7 are driven to move along the threaded lead screws 5 by the rotation of the threaded lead screws 5, an auxiliary conical tooth 8 is sleeved at the center of the threaded lead screws 5, a driving shaft 10 is connected at the center of the valve plate 2 through a fixing sleeve 9, main conical teeth 11 are sleeved at two ends of the driving shaft 10, the main conical teeth, the center of the driving shaft 10 is sleeved with a worm wheel 12, and the valve plate 2 is rotatably connected with a worm 13.
In particular, as shown in fig. 3, the drive shaft 10 is rotatably engaged with the fixed sleeve 9, ensuring that the drive shaft 10 can rotate.
Specifically, as shown in fig. 4, the worm 13 is engaged with the worm wheel 12, and the worm 13 rotates to drive the worm wheel 12 to rotate.
Specifically, as shown in fig. 1, the stop collar 6 is slidably fitted to the block valve rod 3, so that the stop collar 6 can move in the vertical direction.
Specifically, as shown in fig. 2, a seal ring 14 is provided inside the valve seat 1, thereby improving the sealing performance of the double-clip butterfly valve.
Specifically, as shown in fig. 1, the cut-off valve rod 3 has a polygonal structure, so that the cut-off valve rod 3 is prevented from rotating in the limiting sleeve 6 to affect the opening and closing of the valve plate 2.
Specifically, as shown in fig. 1, the threaded screw 5 has two threads with opposite rotation directions, so that the rotation of the threaded screw 5 drives the stop collars 6 at the two ends to move in opposite directions simultaneously.
The working principle is as follows: during the use, the worm 13 rotates, the worm 13 drives the worm wheel 12 and rotates, the worm wheel 12 drives the drive shaft 10 and rotates, the drive shaft 10 drives the main bevel gear 11 and rotates, the main bevel gear 11 drives the auxiliary bevel gear 8 and rotates, the auxiliary bevel gear 8 drives the screw lead screw 5 and rotates, the rotation of screw lead screw 5 drives the thread bush 7 to move to the center that is close to the screw lead screw 5, the thread bush 7 drives the stop collar 6 synchronous motion, make the stop collar 6 break away from with the formula of cutting valve rod 3, thereby dismantle valve plate 2 and formula of cutting valve rod 3 fast, be convenient for change and maintain valve plate 2, the maintenance efficiency of double-jaw butterfly valve has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A double-clamp butterfly valve convenient for maintenance, which comprises a valve seat (1), a valve plate (2) and a driving mechanism (4), it is characterized in that the top and the bottom of the valve seat (1) are both connected with a cut-off valve rod (3) in a penetrating way, a limit sleeve (6) is sleeved outside the cut-off valve rod (3), the valve plate (2) is provided with symmetrically distributed thread screws (5), both sides of the limit sleeve (6) are provided with thread sleeves (7) which are screwed with the thread screws (5), the center of the threaded screw rod (5) is sleeved with an auxiliary bevel gear (8), the center of the valve plate (2) is connected with a driving shaft (10) through a fixed sleeve (9), the two ends of drive shaft (10) are overlapped and are equipped with main awl tooth (11), the center department cover of drive shaft (10) is equipped with worm wheel (12), it is connected with worm (13) to rotate on valve plate (2).
2. A double-clip butterfly valve easy to maintain according to claim 1, characterised in that said driving shaft (10) is in rotating engagement with the fixed sleeve (9).
3. The double-clip butterfly valve easy to maintain according to claim 1, characterized in that the worm (13) is engaged with the worm wheel (12).
4. A double-clip butterfly valve easy to maintain according to claim 1, characterised in that said stop collar (6) is slidingly engaged with the shut-off stem (3).
5. Double-clip butterfly valve easy to maintain according to claim 1, characterised in that the seat (1) is internally provided with a sealing ring (14).
6. A double-clip butterfly valve easy to maintain according to claim 1, characterized in that said truncated stem (3) has a polygonal configuration.
7. A double-clip butterfly valve easy to maintain according to claim 1, characterised in that said threaded screw (5) has double threads with opposite direction of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022248508.7U CN213419923U (en) | 2020-10-12 | 2020-10-12 | Double-clip butterfly valve convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022248508.7U CN213419923U (en) | 2020-10-12 | 2020-10-12 | Double-clip butterfly valve convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419923U true CN213419923U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022248508.7U Active CN213419923U (en) | 2020-10-12 | 2020-10-12 | Double-clip butterfly valve convenient to maintain |
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| Country | Link |
|---|---|
| CN (1) | CN213419923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278741A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Worm gear transmission wafer type fluorine lining butterfly valve and use method |
-
2020
- 2020-10-12 CN CN202022248508.7U patent/CN213419923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278741A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Worm gear transmission wafer type fluorine lining butterfly valve and use method |
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