CN217234439U

CN217234439U - Small butterfly valve capable of ensuring liquid flow

Info

Publication number: CN217234439U
Application number: CN202220914615.5U
Authority: CN
Inventors: 李连伟; 潘学岭; 钱朋生
Original assignee: Tianjin Tianhe Valve Manufacturing Co ltd
Current assignee: Tianjin Tianhe Valve Manufacturing Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-19
Anticipated expiration: 2032-04-20

Abstract

The utility model provides a can ensure liquid flow's small-size butterfly valve relates to butterfly valve technical field, including valve body and closing plate, the surface intercommunication of valve body has the combination pipe, the surface of valve body is equipped with the go-between admittedly, the surface of combination pipe is equipped with the combination frame and a spacing ring respectively admittedly, the inner wall of combination frame is equipped with the slide bar admittedly, the outside of slide bar is equipped with spring and sliding plate respectively in the cover, the surface of sliding plate is equipped with spacing admittedly, the surface of closing plate is equipped with the drive roller admittedly, the surface of drive roller is equipped with spacing ring and driving-disc respectively admittedly. The utility model discloses, through setting up combination bay, slide bar, spring, sliding plate, spacing ring, No. two spacing rings and spacing groove, can carry on spacingly through the drive roller to the closing plate to when external driving-disc receives external force collision, still ensure that the inside closing plate of valve body can not take place to remove, thereby ensured the flow of the inside liquid of valve body.

Description

Small butterfly valve capable of ensuring liquid flow

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a can ensure liquid flow's small-size butterfly valve.

Background

The butterfly valve is a valve for controlling the flow inside the pipeline, and after the flow is adjusted, when a driving disc of the existing butterfly valve is collided by external force, the flow of liquid inside the butterfly valve is changed, so that certain improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small butterfly valve capable of ensuring the liquid flow.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the small butterfly valve capable of ensuring the liquid flow comprises a valve body and a sealing plate, wherein a combined pipe is communicated with the outer surface of the valve body, a connecting ring is fixedly arranged on the outer surface of the valve body, a combined frame and a first limiting ring are fixedly arranged on the outer surface of the combined pipe respectively, a sliding rod is fixedly arranged on the inner wall of the combined frame, a spring and a sliding plate are sleeved outside the sliding rod respectively, a limiting strip is fixedly arranged on the outer surface of the sliding plate, a driving roller is fixedly arranged on the outer surface of the sealing plate, a second limiting ring and a driving disc are fixedly arranged on the outer surface of the driving roller respectively, limiting grooves are formed in the outer surfaces of the first limiting ring and the second limiting ring, and a crank is rotatably connected to the outer surface of the driving disc.

In order to avoid the inside liquid of valve body to ooze through the composite tube, the utility model discloses the improvement has, the inner wall of composite tube and the surface of drive roller are provided with seal assembly, seal assembly includes a sealing ring and No. two sealing rings, a sealing ring adorns the surface at the drive roller admittedly, No. two sealing rings adorn the inner wall at the composite tube admittedly.

In order to conveniently carry out spacing to the sliding plate, the utility model discloses the improvement has, the surface of sliding plate and the inner wall sliding connection of built-up frame, the sliding hole of pegging graft mutually with the slide bar is seted up to the surface of sliding plate.

In order to drive the sliding plate to carry out automatic re-setting, the utility model discloses the improvement has, the both ends of spring are adorned admittedly respectively at the inner wall of built-up frame and the surface of sliding plate, the surface of spacing and the inner wall sliding connection of spacing groove.

In order to promote the leakproofness of drive roller and combination tube junction, the utility model discloses the improvement has, the surface of a sealing ring rotates with the inner wall of combination tube to be connected, the sealed hole of pegging graft mutually with the drive roller is seted up to No. two sealing rings.

In order to protect reinforcing with the screw thread department of bolt, the utility model discloses the improvement has, the surface of go-between sets up protection component, protection component includes ring grooving, locating hole, gasket, sealed pad, sealing washer and protecting tube, the surface at the go-between is all seted up to ring grooving and locating hole, sealed pad and the sealing washer surface at the gasket all adorn admittedly, the protecting tube adorns the sealed surface of filling up admittedly.

For the convenience of assembling go-between and gasket, the utility model discloses the improvement has, the surface of sealed pad and the inner wall sliding connection in circular cutting groove, the surface of protective tube and the inner wall sliding connection of locating hole, the surface of go-between and the inner wall sliding connection of sealing washer.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up combination bay, slide bar, spring, sliding plate, spacing, a spacing ring, No. two spacing rings and spacing groove, can carry on spacingly through the drive roller to the closing plate to when external driving-disc receives external force collision, still ensure that the inside closing plate of valve body can not take place to remove, thereby ensured the flow of the inside liquid of valve body, through setting up seal assembly, can promote the leakproofness of drive roller and combination union coupling department.

2. The utility model discloses in, through setting up protective assembly, can protect the screw thread department of consolidating the used bolt of go-between on the one hand, avoid its screw thread department of external liquid corrosion, on the other hand can promote the leakproofness of go-between and external pipeline junction.

Drawings

FIG. 1 is a schematic perspective view of a small butterfly valve of the present invention for ensuring the flow of liquid;

FIG. 2 is a schematic view of a valve body of a small butterfly valve capable of ensuring liquid flow rate;

FIG. 3 is a schematic view of a sealing plate of a small butterfly valve according to the present invention for ensuring the flow of liquid;

fig. 4 is a cross-sectional view of a three-dimensional structure of a small butterfly valve capable of ensuring liquid flow rate;

FIG. 5 is a partial sectional view of a small butterfly valve according to the present invention for ensuring the flow of liquid;

fig. 6 is a schematic view of a gasket in a small butterfly valve capable of ensuring a liquid flow rate according to the present invention.

Illustration of the drawings:

1. a valve body; 2. sealing plates; 3. a combination tube; 4. a connecting ring; 5. a combined rack; 6. a slide bar; 7. a spring; 8. a sliding plate; 9. a limiting strip; 10. a first limit ring; 11. a drive roller; 12. a second limiting ring; 13. a limiting groove; 14. a drive disc; 15. a crank; 16. a first sealing ring; 17. a second sealing ring; 18. annularly cutting grooves; 19. positioning holes; 20. a gasket; 21. a seal ring; 22. a seal ring; 23. and (4) a protective pipe.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a small butterfly valve capable of ensuring liquid flow comprises a valve body 1 and a sealing plate 2, wherein the outer surface of the valve body 1 is communicated with a combined pipe 3, the outer surface of the valve body 1 is fixedly provided with a connecting ring 4, the connecting ring 4 is arranged to be convenient for butting against an external pipeline through a bolt and a nut, the outer surface of the combined pipe 3 is respectively and fixedly provided with a combined frame 5 and a first limiting ring 10, the inner wall of the combined frame 5 is fixedly provided with a sliding rod 6, the sliding rod 6 is arranged to limit a spring 7 and a sliding plate 8, the outer part of the sliding rod 6 is respectively sleeved with the spring 7 and the sliding plate 8, the outer surface of the sliding plate 8 is in sliding connection with the inner wall of the combined frame 5, the outer surface of the sliding plate 8 is provided with a sliding hole in splicing connection with the sliding rod 6, two ends of the spring 7 are respectively and fixedly arranged on the inner wall of the combined frame 5 and the outer surface of the sliding plate 8, and the outer surface of the sliding plate 8 is fixedly provided with a limiting strip 9, the outer surface of spacing 9 and the inner wall sliding connection of spacing groove 13, the setting of spacing 9 and spacing groove 13, in order to carry out spacing to spacing ring 10 and No. two spacing rings 12, the surface of closing plate 2 is equipped with drive roller 11 admittedly, No. two spacing rings 12 and driving-disc 14 are adorned admittedly respectively to the surface of drive roller 11, spacing groove 13 has all been seted up to the surface of spacing ring 10 and No. two spacing rings 12, the surface of driving-disc 14 rotates and is connected with crank 15, the setting of crank 15, be convenient for rotate driving-disc 14.

Referring to fig. 3-5, a sealing assembly is arranged on the inner wall of the combined pipe 3 and the outer surface of the driving roller 11, the sealing assembly is arranged to ensure the sealing performance at the joint of the combined pipe 3 and the driving roller 11, the sealing assembly comprises a first sealing ring 16 and a second sealing ring 17, the first sealing ring 16 is fixedly arranged on the outer surface of the driving roller 11, the second sealing ring 17 is fixedly arranged on the inner wall of the combined pipe 3, the outer surface of the first sealing ring 16 is rotatably connected with the inner wall of the combined pipe 3, the second sealing ring 17 is provided with a sealing hole which is spliced with the driving roller 11, and the sealing hole is formed to prevent liquid inside the valve body 1 from seeping out through the combined pipe 3.

Example two

Referring to fig. 1, 2, 4, 5 and 6, a protection component is arranged on the outer surface of the connecting ring 4, the protection component is arranged to protect the thread of the reinforcing bolt, the protection component comprises a ring cutting groove 18, a positioning hole 19, a gasket 20, a sealing gasket 21, a sealing ring 22 and a protection pipe 23, the ring cutting groove 18 and the positioning hole 19 are both arranged on the outer surface of the connecting ring 4, the sealing gasket 21 and the sealing ring 22 are both fixedly mounted on the outer surface of the gasket 20, the outer surface of the sealing gasket 21 is slidably connected with the inner wall of the ring cutting groove 18, the sealing gasket 21 and the ring cutting groove 18 are arranged to improve the sealing performance of the connection position of the connecting ring 4 and an external pipeline, the outer surface of the connecting ring 4 is slidably connected with the inner wall of the sealing ring 22, the protection pipe 23 is fixedly mounted on the outer surface of the sealing gasket 21, and the outer surface of the protection pipe 23 is slidably connected with the inner wall of the positioning hole 19.

The working principle is as follows: when the valve body 1 needs to be used, the protection pipe 23 is aligned to the positioning hole 19, the sealing gasket 21 is plugged into the ring cutting groove 18, the connecting ring 4 at the moment is embedded into the sealing ring 22, the bolt penetrates through the protection pipe 23 and then the nut is screwed, the sliding plate 8 is pulled backwards, on one hand, the spring 7 is extruded by the sliding plate 8, the spring 7 retracts under force, on the other hand, the limiting strip 9 is driven to be separated from the limiting groove 13, on the other hand, the crank 15 is held to drive the sealing plate 2 to move through the driving disc 14 and the driving roller 11, after the liquid flow rate inside the valve body 1 is proper, the sliding plate 8 is loosened, the limiting strip 9 is driven to be embedded into the limiting groove 13 through the sliding plate 8 under the action of the resilience force of the spring 7, and therefore limiting of the first limiting ring 10 and the second limiting ring 12 is completed.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A small butterfly valve capable of ensuring liquid flow comprises a valve body (1) and a sealing plate (2), and is characterized in that: the outer surface of the valve body (1) is communicated with a combined pipe (3), the outer surface of the valve body (1) is fixedly provided with a connecting ring (4), the outer surface of the combined pipe (3) is respectively and fixedly provided with a combined frame (5) and a first limiting ring (10), a sliding rod (6) is fixedly arranged on the inner wall of the combined frame (5), a spring (7) and a sliding plate (8) are respectively sleeved outside the sliding rod (6), the outer surface of the sliding plate (8) is fixedly provided with a limit strip (9), the outer surface of the sealing plate (2) is fixedly provided with a driving roller (11), the outer surface of the driving roller (11) is respectively and fixedly provided with a second limiting ring (12) and a driving disc (14), the outer surfaces of the first limiting ring (10) and the second limiting ring (12) are provided with limiting grooves (13), and the outer surface of the driving disc (14) is rotatably connected with a crank (15).

2. A compact butterfly valve according to claim 1, characterized in that: the inner wall of compound pipe (3) and the surface of drive roller (11) are provided with seal assembly, seal assembly includes sealing ring (16) and No. two sealing rings (17), No. one sealing ring (16) are adorned admittedly at the surface of drive roller (11), No. two sealing rings (17) are adorned admittedly at the inner wall of compound pipe (3).

3. A compact butterfly valve according to claim 1, characterized in that: the outer surface of the sliding plate (8) is connected with the inner wall of the combined frame (5) in a sliding mode, and the outer surface of the sliding plate (8) is provided with a sliding hole which is connected with the sliding rod (6) in an inserted mode.

4. A small butterfly valve according to claim 1, wherein: two ends of the spring (7) are fixedly arranged on the inner wall of the combined frame (5) and the outer surface of the sliding plate (8) respectively, and the outer surface of the limiting strip (9) is connected with the inner wall of the limiting groove (13) in a sliding manner.

5. A small butterfly valve according to claim 2, characterized in that: the outer surface of the first sealing ring (16) is rotatably connected with the inner wall of the combined pipe (3), and a sealing hole which is connected with the driving roller (11) in an inserting mode is formed in the second sealing ring (17).

6. A compact butterfly valve according to claim 1, characterized in that: the outer surface of the connecting ring (4) is provided with a protection assembly, the protection assembly comprises a ring cutting groove (18), a positioning hole (19), a gasket (20), a sealing gasket (21), a sealing ring (22) and a protection pipe (23), the ring cutting groove (18) and the positioning hole (19) are formed in the outer surface of the connecting ring (4), the sealing gasket (21) and the sealing ring (22) are fixedly arranged on the outer surface of the gasket (20), and the protection pipe (23) is fixedly provided with the outer surface of the sealing gasket (21).

7. A compact butterfly valve according to claim 6, characterized in that: the outer surface of the sealing gasket (21) is in sliding connection with the inner wall of the annular cutting groove (18), the outer surface of the protective pipe (23) is in sliding connection with the inner wall of the positioning hole (19), and the outer surface of the connecting ring (4) is in sliding connection with the inner wall of the sealing ring (22).