CN211423410U - Double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve - Google Patents
Double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve Download PDFInfo
- Publication number
- CN211423410U CN211423410U CN201922193506.XU CN201922193506U CN211423410U CN 211423410 U CN211423410 U CN 211423410U CN 201922193506 U CN201922193506 U CN 201922193506U CN 211423410 U CN211423410 U CN 211423410U
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- valve
- shaft
- valve plate
- seat
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Abstract
The utility model relates to a double-valve plate single-shaft four-connecting-rod eccentric butterfly valve, which comprises a valve body, wherein the upper end and the lower end of the valve body are fixedly connected with connecting flanges, the left side and the right side of the valve body are provided with shaft seats, rotating shafts are arranged in the shaft seats, the left end of each rotating shaft is fixedly connected with a rotating handle, a traction seat is fixedly connected on the rotating shaft, connecting rods are connected on the traction seat, a main valve seat and an auxiliary valve seat are sequentially arranged in the valve body from bottom to top, the bottoms of the main valve seat and the auxiliary valve seat are respectively provided with a main valve plate and an auxiliary valve plate, a connecting bolt is connected between the main valve plate and the auxiliary valve plate, the top of the connecting bolt is in threaded connection with a locking nut, the butterfly valve is convenient to operate by being provided with the rotating shafts, the main valve plate and, the internal parts are convenient to replace and maintain, and the use cost is reduced.
Description
Technical Field
The utility model relates to a double-valve-plate unipolar four-bar eccentric butterfly valve belongs to butterfly valve technical field.
Background
Among the prior art, the valves are generally constituteed by two platform valves to double valve board unipolar four-bar eccentric butterfly valve, and the centre leads to nitrogen gas sealed, and it can lead to the cost too high to adopt high performance sealed butterfly valve to lead to like the platform valve, and it is too big to leak if adopting ordinary blast gate, consumes nitrogen gas too much, and use cost is too high, and the valve is using if internals damages simultaneously, and is comparatively troublesome when the replacement, and inconvenient dismantlement influences the use of valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two valve plate unipolar four-bar linkage eccentric butterfly valve, through being equipped with the axis of rotation, the axis of rotation drives main valve plate and vice valve plate through the connecting rod and rotates, convenient operation can effectually open the butterfly valve with the closure, each parts homoenergetic simultaneously can dismantle, conveniently changes and maintains the internal part, reduces use cost to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a double-valve-plate unipolar four-bar eccentric butterfly valve, includes the valve body, the equal fixedly connected with flange in upper and lower both ends of valve body, the left and right sides of valve body is equipped with the axle bed, be equipped with the axis of rotation in the axle bed, the left end fixedly connected with rotation handle of axis of rotation, fixedly connected with pulls the seat in the axis of rotation, it is connected with the connecting rod on the seat to pull, from the bottom up is equipped with main valve seat and vice disk seat in proper order in the valve body, the bottom of main valve seat and vice disk seat is equipped with main valve plate and vice valve plate respectively, be connected with connecting bolt between main valve plate and the vice valve plate, connecting bolt's top threaded connection has lock nut, main valve plate.
Furthermore, the connecting flange is provided with a corresponding flange hole, and the outer side of the flange seat is provided with a sealing gasket.
Furthermore, the inside of axle bed is equipped with the internal thread that corresponds with the axis of rotation, the axis of rotation passes through internal thread threaded connection in the axle bed.
Furthermore, a pin shaft is arranged between the connecting rod and the traction seat, and the connecting rod is connected to the traction seat through the pin shaft.
Furthermore, sealing rings are arranged on the main valve plate and the auxiliary valve plate, and the sealing rings are sleeved on the edges of the main valve plate and the auxiliary valve plate.
Further, the rotating shaft is arranged on one side of the center position of the valve body.
The utility model has the advantages that:
1. the butterfly valve is convenient to operate and can be opened and closed effectively;
2. all parts on the butterfly valve can be detached, so that the replacement and maintenance of internal parts are facilitated, the waste of resources is reduced, and the use cost is reduced;
3. the sealing rings are sleeved at the edges of the main valve plate and the auxiliary valve plate, so that the sealing performance of the butterfly valve can be enhanced, and the butterfly valve is convenient to use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall structure of a double-valve-plate single-shaft four-bar eccentric butterfly valve of the present invention;
fig. 2 is a schematic diagram of the internal structure of a double-valve plate single-shaft four-bar eccentric butterfly valve of the present invention;
fig. 3 is a top view of a double-valve plate single-shaft four-bar eccentric butterfly valve according to the present invention;
fig. 4 is a schematic structural diagram of a position a of a double-valve-plate single-shaft four-bar eccentric butterfly valve according to the present invention;
reference numbers in the figures: 1. a valve body; 2. a connecting flange; 3. a shaft seat; 4. a rotating shaft; 5. rotating the handle; 6. a traction seat; 7. a connecting rod; 8. a main valve seat; 9. a secondary valve seat; 10. a main valve plate; 11. A sub-valve plate; 12. a connecting bolt; 13. locking the nut; 14. an internal thread; 15. and (7) a pin shaft.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
referring to fig. 1-4, the present invention provides a technical solution:
a double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve comprises a valve body 1, wherein the upper end and the lower end of the valve body 1 are fixedly connected with connecting flanges 2, the valve body 1 is connected with a pipeline, shaft seats 3 are arranged on the left side and the right side of the valve body 1, a rotating shaft 4 is arranged in each shaft seat 3, a rotating handle 5 is fixedly connected to the left end of each rotating shaft 4, the rotating shaft 4 is driven to rotate by the rotating handle 5, a traction seat 6 is fixedly connected to each rotating shaft 4, a connecting rod 7 is connected to each traction seat 6, a main valve seat 8 and an auxiliary valve seat 9 are sequentially arranged in the valve body 1 from bottom to top, a main valve plate 10 and an auxiliary valve plate 11 are respectively arranged at the bottoms of the main valve seat 8 and the auxiliary valve seat 9, a connecting bolt 12 is connected between the main valve plate 10 and the auxiliary valve plate 11, a locking nut 13 is connected to the top of the connecting bolt, and the main valve plate 10 and the auxiliary valve plate 11 are fixedly connected with the connecting rod 7.
More specifically, the flange hole that corresponds has been seted up on flange 2, and the outside of flange seat is equipped with sealed the pad, the inside of axle bed 3 is equipped with the internal thread 14 that corresponds with axis of rotation 4, axis of rotation 4 passes through internal thread 14 threaded connection in axle bed 3 for axis of rotation 4 can rotate, be equipped with round pin axle 15 between connecting rod 7 and the traction seat 6, connecting rod 7 is connected on traction seat 6 through round pin axle 15, all be equipped with the sealing washer on main valve plate 10 and the vice valve plate 11, the sealing washer cover is established at the edge of main valve plate 10 and vice valve plate 11, can strengthen the leakproofness of butterfly valve, the use of the butterfly valve of being convenient for, one side that 1 central point of valve body put is established to axis of rotation 4.
Example 2:
as shown in fig. 2, the valve body 1 is made of stainless steel, is not easy to corrode, and is hard and not easy to damage.
The utility model discloses the theory of operation: when using this butterfly valve, rotate rotatory handle 5 and make axis of rotation 4 drive connecting rod 7 through traction seat 6 and rotate, then connecting rod 7 drives main valve plate 10 and vice valve plate 11 and opens the butterfly valve with the closure, convenient operation, each part homoenergetic on the butterfly valve is dismantled simultaneously, conveniently change and maintain the internals, reduce the waste of resource, reduce use cost, the edge cover of main valve plate 10 and vice valve plate 11 is equipped with the sealing washer, can strengthen the leakproofness of butterfly valve, the use of the butterfly valve of being convenient for.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a two valve plates unipolar four connecting rod eccentric butterfly valve, includes valve body (1), its characterized in that: the upper end and the lower end of the valve body (1) are both fixedly connected with connecting flanges (2), the left side and the right side of the valve body (1) are provided with shaft seats (3), a rotating shaft (4) is arranged in the shaft seat (3), a rotating handle (5) is fixedly connected with the left end of the rotating shaft (4), a traction seat (6) is fixedly connected to the rotating shaft (4), a connecting rod (7) is connected to the traction seat (6), a main valve seat (8) and an auxiliary valve seat (9) are sequentially arranged in the valve body (1) from bottom to top, the bottom of the main valve seat (8) and the auxiliary valve seat (9) are respectively provided with a main valve plate (10) and an auxiliary valve plate (11), a connecting bolt (12) is connected between the main valve plate (10) and the auxiliary valve plate (11), the top of the connecting bolt (12) is connected with a locking nut (13) through a thread, the main valve plate (10) and the auxiliary valve plate (11) are fixedly connected with the connecting rod (7).
2. The double-valve plate single-shaft four-bar eccentric butterfly valve according to claim 1, wherein: the connecting flange (2) is provided with corresponding flange holes, and the outer side of the flange seat is provided with a sealing gasket.
3. The double-valve plate single-shaft four-bar eccentric butterfly valve according to claim 1, wherein: the inner part of the shaft seat (3) is provided with an internal thread (14) corresponding to the rotating shaft (4), and the rotating shaft (4) is connected in the shaft seat (3) through the internal thread (14) in a threaded manner.
4. The double-valve plate single-shaft four-bar eccentric butterfly valve according to claim 1, wherein: a pin shaft (15) is arranged between the connecting rod (7) and the traction seat (6), and the connecting rod (7) is connected to the traction seat (6) through the pin shaft (15).
5. The double-valve plate single-shaft four-bar eccentric butterfly valve according to claim 1, wherein: and sealing rings are arranged on the main valve plate (10) and the auxiliary valve plate (11) respectively, and are sleeved on the edges of the main valve plate (10) and the auxiliary valve plate (11).
6. The double-valve plate single-shaft four-bar eccentric butterfly valve according to claim 1, wherein: the rotating shaft (4) is arranged on one side of the center of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193506.XU CN211423410U (en) | 2019-12-10 | 2019-12-10 | Double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193506.XU CN211423410U (en) | 2019-12-10 | 2019-12-10 | Double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423410U true CN211423410U (en) | 2020-09-04 |
Family
ID=72275720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922193506.XU Expired - Fee Related CN211423410U (en) | 2019-12-10 | 2019-12-10 | Double-valve-plate single-shaft four-connecting-rod eccentric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423410U (en) |
-
2019
- 2019-12-10 CN CN201922193506.XU patent/CN211423410U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |