CN216812893U

CN216812893U - Stainless steel does not have round pin flange butterfly valve

Info

Publication number: CN216812893U
Application number: CN202220538383.8U
Authority: CN
Inventors: 贾东晓
Original assignee: Tianjin Wald Valve Co ltd
Current assignee: Tianjin Wald Valve Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-06-24
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to the technical field of pin-free butterfly valves, in particular to a stainless steel pin-free flange butterfly valve. Its technical scheme includes valve body, valve shaft and valve plate, valve body internally mounted has the bush, bush internally mounted has the valve plate, the valve plate upper surface is equipped with the arc draw-in groove, the valve plate lower surface is equipped with the slot, valve body upper surface is located arc draw-in groove top position department and installs fixed pipe, the sleeve pipe is installed through the bearing to fixed inside pipe wall, surface mounting has the valve shaft on the sleeve pipe, the inside telescopic link that pegs graft of sleeve pipe, telescopic link lower surface mounting has the dop, and the dop is located inside the arc draw-in groove, valve body lower surface department installs the sliding sleeve, the inside slide bar that pegs graft of sliding sleeve, slide bar upper surface mounting has the inserted block, and the inserted block is located inside the slot. The valve plate of the pinless butterfly valve is convenient to disassemble and replace.

Description

Stainless steel does not have round pin flange butterfly valve

Technical Field

The utility model relates to the technical field of pin-free butterfly valves, in particular to a stainless steel pin-free flange butterfly valve.

Background

The pinless butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close and adjust a fluid channel. The pinless butterfly valve has the advantages of simple structure, small volume, light weight, material consumption saving, small installation size, small driving moment, simple and convenient operation, rapidness, good flow adjusting function and sealing closing characteristic, and is one of the fastest valve varieties developed in the last ten years.

Through mass search, the typical handle pinless butterfly valve with good sealing effect disclosed as CN211501686U in the prior art is found, through the rotation of the valve plate, the abutting surfaces at two sides of the valve plate are tightly attached to the abutting surfaces of the sealing strips, the flowing direction of fluid is changed, the fluidity of the fluid is reduced, and the sealing property of the valve body is improved.

The valve plate surface of the existing stainless steel pinless butterfly valve can be abraded to a certain extent after being used for a long time, so that the sealing performance is reduced, the valve plate of the existing pinless butterfly valve is not convenient to detach and replace, and therefore the stainless steel pinless flange butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stainless steel pin-free flange butterfly valve which has the advantage of facilitating the disassembly and replacement of a valve plate of the pin-free butterfly valve and solves the problem that the valve plate of the existing pin-free butterfly valve is inconvenient to disassemble and replace.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stainless steel does not have round pin flange butterfly valve, includes valve body, valve shaft and valve plate, valve body internally mounted has the bush, bush internally mounted has the valve plate, the valve plate upper surface is equipped with the arc draw-in groove, the valve plate lower surface is equipped with the slot, the valve body upper surface is located arc draw-in groove top position department and installs fixed pipe, the sleeve pipe is installed through the bearing to fixed inside pipe wall, sleeve pipe upper surface mounting has the valve shaft, the inside telescopic link of pegging graft of sleeve pipe, telescopic link lower surface mounting has the dop, and the dop is located inside the arc draw-in groove, valve body lower surface department installs the sliding sleeve, the inside slide bar of pegging graft of sliding sleeve, surface mounting has the inserted block on the slide bar, and the inserted block is located inside the slot.

Preferably, the surface of the valve shaft is provided with a rotating rod, the lower surface of the rotating rod is provided with a clamping plate through a rotating shaft, one side, close to the valve shaft, of the upper surface of the clamping plate is provided with a clamping block, one side, deviating from the clamping block, of the upper surface of the clamping plate is provided with a spring A, the tail end of the spring A is connected with the lower surface of the rotating rod, and the outer surface of the fixing pipe is sleeved with a toothed ring.

Preferably, the two sides of the valve body are symmetrically provided with connecting flanges. The valve body is connected with an external pipeline through two connecting flanges.

Preferably, the top of the inner wall of the sleeve is provided with a spring B, and the tail end of the spring B is connected with the upper surface of the telescopic rod. Make the fixture block of telescopic link lower surface insert inside the arc draw-in groove under spring B's elastic force.

Preferably, the outer surface of the sliding rod is sleeved with a spring C at a position below the sliding sleeve, and the lower surface of the sliding rod is provided with a pull block. The insertion block on the upper surface of the slide rod is inserted into the slot under the elastic force of the spring C.

Preferably, one side of the inner wall of the valve body, which is far away from the rotating rod, is provided with a limiting ring. The setting of spacing ring is convenient for fix the one end of bush.

Preferably, one side of the inner wall of the valve body, which is close to the rotating rod, is provided with an annular groove, and a clamp spring is arranged in the annular groove. The clamp spring is arranged in the annular clamping groove, and then the other end of the bushing can be fixed.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the valve plate, the arc-shaped clamping groove, the clamping block, the slot and the inserting block are arranged, so that the effect of conveniently disassembling and replacing the valve plate of the pin-free butterfly valve is achieved, when the valve plate needs to be disassembled, the pulling block is pulled to separate the inserting block from the slot, meanwhile, the valve plate is pushed to separate the clamping head from the arc-shaped clamping groove, and the valve plate can be taken out from the interior of the valve body.

2. According to the butterfly valve, the toothed ring, the clamping block and the clamping plate are arranged, so that the effect of conveniently adjusting the flow of the medium in the butterfly valve is achieved, the clamping plate is pressed and the rotating rod is rotated, the valve shaft drives the sleeve and the telescopic rod to rotate, the valve plate is driven to rotate and the flow of the medium in the valve body is adjusted, and the clamping plate is loosened, so that the clamping block is inserted into the tooth groove of the toothed ring to fix the valve plate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partial front view of a rotating rod according to the present invention;

FIG. 3 is a partial front view of the fixing tube according to the present invention;

FIG. 4 is an enlarged view of A in FIG. 1 according to the present invention.

Reference numerals: 1. a connecting flange; 2. a valve body; 3. a fixed tube; 4. a valve shaft; 5. a rotating rod; 6. clamping a head; 7. a clamp spring; 8. a valve plate; 9. an annular groove; 10. a bushing; 11. a limiting ring; 12. an arc-shaped clamping groove; 13. a clamping block; 14. a rotating shaft; 15. a spring A; 16. clamping a plate; 17. a sleeve; 18. a toothed ring; 19. a spring B; 20. a bearing; 21. a telescopic rod; 22. a slot; 23. inserting a block; 24. a slide bar; 25. a sliding sleeve; 26. a spring C; 27. and (5) pulling the block.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, 3 and 4, the stainless steel pin-free flange butterfly valve provided by the utility model comprises a valve body 2, a valve shaft 4 and a valve plate 8, wherein a bushing 10 is installed inside the valve body 2, the valve plate 8 is installed inside the bushing 10, an arc-shaped clamping groove 12 is formed in the upper surface of the valve plate 8, a slot 22 is formed in the lower surface of the valve plate 8, a fixed pipe 3 is installed on the upper surface of the valve body 2 above the arc-shaped clamping groove 12, a sleeve pipe 17 is installed on the inner wall of the fixed pipe 3 through a bearing 20, a spring B19 is installed on the top of the inner wall of the sleeve pipe 17, the tail end of the spring B19 is connected with the upper surface of the telescopic rod 21, a telescopic rod 21 is inserted inside the sleeve pipe 17, a chuck 6 is installed on the lower surface of the telescopic rod 21, the chuck 6 is located inside the arc-shaped clamping groove 12, a sliding sleeve 25 is installed on the lower surface of the valve body 2, a sliding rod 24 is inserted inside the sliding sleeve 25, a spring C26 is sleeved on the outer surface of the sliding rod 24 located below the sliding sleeve 25, the lower surface mounting of slide bar 24 has the piece 27 of drawing, and surface mounting has inserted block 23 on the slide bar 24, and inside inserted block 23 was located slot 22, flange 1 was installed to 2 bilateral symmetry of valve body, and spacing ring 11 was installed to one side that 2 inner walls of valve body deviate from bull stick 5, and one side that 2 inner walls of valve body are close to bull stick 5 is equipped with ring channel 9, and ring channel 9 internally mounted has jump ring 7.

The working principle of the stainless steel pin-free flange butterfly valve based on the embodiment 1 is as follows: when needing to dismantle valve plate 8, the pulling draws piece 27 to make inserted block 23 and slot 22 separate, promotes valve plate 8 simultaneously and makes dop 6 and the separation of arc draw-in groove 12, can follow valve body 2 inside with valve plate 8 and take out, when needing to take out bush 10, can follow the inside roll-off of valve body 2 with bush 10 after taking out jump ring 7 from annular groove 9 inside.

Example two

As shown in fig. 1 to 3, compared with the first embodiment, the stainless steel pinless flange butterfly valve provided by the present invention further includes a sleeve 17, a valve shaft 4 is mounted on an upper surface of the sleeve 17, a rotating rod 5 is mounted on an upper surface of the valve shaft 4, a clamping plate 16 is mounted on a lower surface of the rotating rod 5 through a rotating shaft 14, a clamping block 13 is mounted on a side of an upper surface of the clamping plate 16 close to the valve shaft 4, a spring a15 is mounted on a side of the upper surface of the clamping plate 16 away from the clamping block 13, a terminal end of the spring a15 is connected with a lower surface of the rotating rod 5, and a toothed ring 18 is sleeved on an outer surface of the fixed pipe 3.

In this embodiment, press cardboard 16 and rotate bull stick 5 for valve shaft 4 drives sleeve pipe 17 and telescopic link 21 and rotates, thereby drives the flow of valve plate 8 rotation and 2 inside medium of regulating valve body, loosens cardboard 16 and makes fixture block 13 insert the tooth's socket inside of ring gear 18 and fix valve plate 8.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a stainless steel does not have round pin flange butterfly valve, includes valve body (2), valve shaft (4) and valve plate (8), its characterized in that: a bushing (10) is arranged in the valve body (2), a valve plate (8) is arranged in the bushing (10), the upper surface of the valve plate (8) is provided with an arc-shaped clamping groove (12), the lower surface of the valve plate (8) is provided with a slot (22), a fixed pipe (3) is arranged on the upper surface of the valve body (2) above the arc-shaped clamping groove (12), the inner wall of the fixed pipe (3) is provided with a sleeve (17) through a bearing (20), a telescopic rod (21) is inserted in the sleeve (17), a clamping head (6) is arranged on the lower surface of the telescopic rod (21), the clamping head (6) is positioned inside the arc-shaped clamping groove (12), the lower surface of the valve body (2) is provided with a sliding sleeve (25), a sliding rod (24) is inserted in the sliding sleeve (25), an inserting block (23) is installed on the upper surface of the sliding rod (24), and the inserting block (23) is located in the slot (22).

2. The stainless steel pinless flange butterfly valve of claim 1, wherein: the improved automatic feeding device is characterized in that a valve shaft (4) is mounted on the upper surface of the sleeve (17), a rotating rod (5) is mounted on the upper surface of the valve shaft (4), a clamping plate (16) is mounted on the lower surface of the rotating rod (5) through a rotating shaft (14), a clamping block (13) is mounted on one side, close to the valve shaft (4), of the upper surface of the clamping plate (16), a spring A (15) is mounted on one side, deviating from the clamping block (13), of the upper surface of the clamping plate (16), the tail end of the spring A (15) is connected with the lower surface of the rotating rod (5), and a toothed ring (18) is sleeved on the outer surface of the fixed pipe (3).

3. The stainless steel pinless flange butterfly valve of claim 1, wherein: and the two sides of the valve body (2) are symmetrically provided with connecting flanges (1).

4. The stainless steel pinless flange butterfly valve of claim 1, wherein: and a spring B (19) is installed at the top of the inner wall of the sleeve (17), and the tail end of the spring B (19) is connected with the upper surface of the telescopic rod (21).

5. The stainless steel pinless flange butterfly valve of claim 1, wherein: the outer surface of the sliding rod (24) is located below the sliding sleeve (25) and sleeved with a spring C (26), and the lower surface of the sliding rod (24) is provided with a pull block (27).

6. The stainless steel pinless flange butterfly valve of claim 1, wherein: and a limiting ring (11) is arranged on one side of the inner wall of the valve body (2) deviating from the rotating rod (5).

7. The stainless steel pinless flange butterfly valve of claim 1, wherein: one side that valve body (2) inner wall is close to bull stick (5) is equipped with ring channel (9), ring channel (9) internally mounted has jump ring (7).