CN213628913U

CN213628913U - Butterfly valve executor that leakproofness is good

Info

Publication number: CN213628913U
Application number: CN202022083570.5U
Authority: CN
Inventors: 马晓雷
Original assignee: Qianli Shanghai Fluid Control Co ltd
Current assignee: Qianli Shanghai Fluid Control Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-06
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a butterfly valve executor that leakproofness is good, including valve body and arrestment mechanism, valve body inner wall fixedly connected with pipeline, and pipeline outer wall fixedly connected with sealing washer, valve body bottom inner wall swing joint has driving shaft and driven shaft respectively, and driving shaft and driven shaft both ends all are provided with the sealing ring, the first butterfly plate of sealing ring one side fixedly connected with at driving shaft both ends, and the sealing ring one side fixedly connected with second butterfly plate at driven shaft both ends, arrestment mechanism includes handle and driving gear, driving shaft top integrated into one piece has hexagon nut, and the screw has been seted up to handle one side, and swing joint has fastening bolt between screw and the hexagon nut. The utility model discloses can strengthen the sealing performance and the stability ability of pipeline, avoid the inside fluid of pipeline to ooze outward and pollute the corruption valve body, avoid causing the damage of spare part in the valve body to influence the high-efficient operation of valve body.

Description

Butterfly valve executor that leakproofness is good

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve executor that leakproofness is good.

Background

The butterfly valve is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline media, and is a valve, the closing part of which is a disk and rotates around a valve shaft to open and close, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays a role in cutting off and throttling on the pipeline, and the butterfly valve actuator is widely applied.

Through retrieval, the patent with the granted publication number of CN210920153U discloses a butterfly valve that sealing performance is good, including valve body, pipeline, sealing layer, valve rod, butterfly plate, draw-in groove, card strip, the outer wall of butterfly plate is seted up, is reserved the groove, separation board, fixed plate, screw hole, screw. The above patents suffer from the following disadvantages: the pipeline can not be well sealed, the operation is complex, and the requirements of people can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a butterfly valve actuator with good sealing performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a butterfly valve executor that leakproofness is good, includes valve body and arrestment mechanism, valve body inner wall fixedly connected with pipeline, and pipeline outer wall fixedly connected with sealing washer, valve body bottom inner wall swing joint has driving shaft and driven shaft respectively, and driving shaft and driven shaft both ends all are provided with the sealing ring, the first butterfly plate of sealing ring one side fixedly connected with at driving shaft both ends, and the sealing ring one side fixedly connected with second butterfly plate at driven shaft both ends.

Further, arrestment mechanism includes handle and driving gear, driving shaft top integrated into one piece has hexagon nut, and the screw has been seted up to handle one side, and swing joint has fastening bolt between screw and the hexagon nut.

Further, the driving shaft is fixedly connected with the driving gear, the inner wall of the top of the valve body is movably connected with a connecting shaft, one end of the connecting shaft is fixedly connected with a first driven gear, and the driving gear is meshed with the first driven gear.

Furthermore, one end of the driven shaft is fixedly connected with a second driven gear, and the second driven gear is meshed with the first driven gear.

Furthermore, one end of the driving shaft is fixedly connected with a limiting block.

Furthermore, the top of the valve body is fixedly connected with a top plate, and one side of the top plate is movably connected with one end of the driving shaft.

Furthermore, the inner wall of the valve body is fixedly connected with a polytetrafluoroethylene membrane.

The utility model has the advantages that:

1. the utility model discloses a sealing performance and the stability ability of pipeline can be strengthened in the cooperation setting of pipeline, sealing washer and sealing ring, avoid the inside fluid of pipeline to ooze outward and pollute the corruption valve body, avoid causing the damage of spare part in the valve body to influence the high-efficient operation of valve body.

2. The utility model discloses a manual rotation handle can drive the driving shaft and rotate, under driving gear, first driven gear and second driven gear's linkage effect, can control first butterfly plate and second butterfly plate and rotate, then can control the size of valve body clearance passageway through first butterfly plate and second butterfly plate pivoted angle to can be according to the interior fluidic velocity of flow of different industry demand control valve bodies.

3. The utility model discloses can control various types fluidic flow rate, mainly play cutting action and throttle effect on the pipeline, the utility model discloses simple structure, simple operation, cost are with low costs, can manual regulation and control performance good, just the utility model discloses an applicability and practicality scope are extensive.

Drawings

Fig. 1 is a schematic side sectional view of a butterfly valve actuator with good sealing performance according to the present invention;

fig. 2 is a schematic front sectional structural view of a butterfly valve actuator with good sealing performance according to the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of a butterfly valve actuator with good sealing performance according to the present invention.

In the figure: 1. a valve body; 2. a pipeline; 3. a seal ring; 4. a first butterfly plate; 5. a seal ring; 6. a drive shaft; 7. a driving gear; 8. a limiting block; 9. a top plate; 10. a handle; 11. fastening a bolt; 13. a first driven gear; 14. a second driven gear; 15. a second butterfly plate; 16. a driven shaft.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a butterfly valve executor that leakproofness is good, including valve body 1 and arrestment mechanism, there is pipeline 2 inner wall of valve body 1 through the bolt fastening, and pipeline 2 outer wall bonds has sealing washer 3, the inner wall of valve body 1 bottom rotates respectively and is connected with driving shaft 6 and driven shaft 16, sealing ring 5 has all been cup jointed at driving shaft 6 and driven shaft 16 both ends, sealing washer 3 and sealing ring 5 can strengthen pipeline 2's sealing performance, it pollutes valve body 1 to avoid the fluid in the pipeline 2 to leak, 5 one side of the sealing ring at driving shaft 6 both ends has first butterfly plate 4 through the bolt fastening, and 5 one side of the sealing ring at driven shaft 16 both ends has second butterfly plate 15 through the bolt fastening, then can control valve body 1's clearance passageway's size through first butterfly plate 4 and second butterfly plate 15 pivoted angle, thereby can control the interior fluidic velocity of flow of valve body.

The brake mechanism comprises a handle 10 and a driving gear 7, a hexagon nut is integrally formed at the top end of a driving shaft 6, a screw hole is formed in one side of the handle 10, a fastening bolt 11 is inserted between the screw hole and the hexagon nut, an operator aligns the screw hole in the handle 10 with the hexagon nut on the driving shaft 6 and inserts the fastening bolt 11 into the screw hole, the fastening bolt 11 is screwed by a mechanical wrench, the driving shaft 6 is fixedly connected with the driving gear 7, the operator manually rotates the handle 10, the handle 10 rotates to drive the driving shaft 6 to start rotating, then the driving gear 7 starts rotating, the inner wall of the top of the valve body 1 is rotatably connected with a connecting shaft, one end of the connecting shaft is in key connection with a first driven gear 13, the driving gear 7 is meshed with the first driven gear 13, because the driving gear 7 is meshed with the first driven gear 13, then the first driven gear 13 rotates, and one end of, and second driven gear 14 meshes with first driven gear 13 mutually, under the effect that first driven gear 13 and second driven gear 14 mesh mutually, second driven gear 14 rotates and drives driven shaft 16 and rotate, operating personnel manual rotation handle 10 then can control the inside first butterfly plate 4 of valve body 1 and second butterfly plate 15 rotate immediately, 6 one end of driving shaft is through the

bolt fastening stopper

8, 1 top of valve body is through the bolt fastening has roof 9, and roof 9 one side and 6 one end gap connections of driving shaft, the valve body 1 inner wall bonds and has the polytetrafluoroethylene membrane, polytetrafluoroethylene membrane sealing performance is good.

The working principle of the embodiment is as follows: when the valve body 1 is used, an operator aligns a screw hole on the handle 10 with a hexagon nut on the driving shaft 6, inserts the fastening bolt 11 into the screw hole, screws the fastening bolt 11 by using a mechanical wrench to finish installation operation, then manually rotates the handle 10, the handle 10 rotates to drive the driving shaft 6 to rotate, the driving gear 7 rotates, the driving gear 7 is meshed with the first driven gear 13, the first driven gear 13 rotates, the second driven gear 14 rotates and drives the driven shaft 16 to rotate under the meshing action of the first driven gear 13 and the second driven gear 14, the operator manually rotates the handle 10 to control the first butterfly plate 4 and the second butterfly plate 15 inside the valve body 1 to rotate, the size of a clearance channel of the valve body 1 can be controlled through the rotating angle of the first butterfly plate 4 and the second butterfly plate 15, and the flow rate of fluid in the valve body 1 can be controlled, the sealing ring 3 and the sealing ring 5 can enhance the sealing performance of the pipeline 2 and prevent fluid in the pipeline 2 from leaking to pollute and corrode the valve body 1.

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

1. The utility model provides a butterfly valve executor that leakproofness is good, includes valve body (1) and arrestment mechanism, its characterized in that, valve body (1) inner wall fixedly connected with pipeline (2), and pipeline (2) outer wall fixedly connected with sealing washer (3), valve body (1) bottom inner wall swing joint has driving shaft (6) and driven shaft (16) respectively, and driving shaft (6) and driven shaft (16) both ends all are provided with sealing ring (5), the first butterfly plate (4) of sealing ring (5) one side fixedly connected with at driving shaft (6) both ends, and sealing ring (5) one side fixedly connected with second butterfly plate (15) at driven shaft (16) both ends.

2. The butterfly valve actuator with good sealing performance according to claim 1, wherein the braking mechanism comprises a handle (10) and a driving gear (7), a hexagonal nut is integrally formed at the top end of the driving shaft (6), a screw hole is formed in one side of the handle (10), and a fastening bolt (11) is movably connected between the screw hole and the hexagonal nut.

3. The butterfly valve actuator with good sealing performance according to claim 2, wherein the driving shaft (6) is fixedly connected with the driving gear (7), a connecting shaft is movably connected to the inner wall of the top of the valve body (1), one end of the connecting shaft is fixedly connected with a first driven gear (13), and the driving gear (7) is meshed with the first driven gear (13).

4. The butterfly valve actuator of claim 3, wherein a second driven gear (14) is fixedly connected to one end of the driven shaft (16), and the second driven gear (14) is meshed with the first driven gear (13).

5. The butterfly valve actuator with good sealing performance according to claim 1, wherein a limiting block (8) is fixedly connected to one end of the driving shaft (6).

6. The butterfly valve actuator with good sealing performance according to claim 1, wherein a top plate (9) is fixedly connected to the top of the valve body (1), and one side of the top plate (9) is movably connected with one end of the driving shaft (6).

7. The butterfly valve actuator with good sealing performance according to claim 1, wherein a polytetrafluoroethylene membrane is fixedly connected to the inner wall of the valve body (1).