CN210372049U

CN210372049U - Soft sealing flange butterfly valve

Info

Publication number: CN210372049U
Application number: CN201921393854.5U
Authority: CN
Inventors: 仝进召
Original assignee: Tianjin Yinuo Valve Industry Co Ltd
Current assignee: Tianjin Yinuo Valve Industry Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-21
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to the technical field of valve equipment, specifically be a soft sealing flange butterfly valve, including the butterfly valve main part, top one side fixed mounting of butterfly valve main part has the connecting pipe, top one side of connecting pipe is provided with the worm gear case, inside one side of butterfly valve main part is provided with the valve plate, bottom one side of butterfly valve main part is provided with the enhancement bottom, one side that the inside of butterfly valve main part corresponds the connecting pipe is provided with the valve rod, and valve rod and valve plate fixed connection, one side that the inside of butterfly valve main part is close to the valve rod is provided with footstep bearing, one side that the inside of butterfly valve main part is close to footstep. A soft sealing flange butterfly valve, can make the life of integrated device more of a specified duration, improved the device's leakproofness, the convenience of use personnel overhauls the device's leakproofness problem, improves the practicality of integrated device, brings better use prospect.

Description

Soft sealing flange butterfly valve

Technical Field

The utility model relates to a valve equipment technical field specifically is a soft sealing flange butterfly valve.

Background

The butterfly valve is a regulating valve with a relatively simple structure, is generally mainly used for cutting off or throttling various types of fluids such as water, various corrosive media, slurry, oil, liquid metal and the like in a pipeline, and is also particularly important in sealing performance because the butterfly valve is mainly used for various types of fluids.

There is certain drawback in current butterfly valve when using, and current butterfly valve is after long-term the use, and the valve rod in the butterfly valve then can and the base between take place the wearing and tearing phenomenon, and after the valve rod wearing and tearing are too much, the valve plate then can follow the valve rod and down remove to then can lead to whole butterfly valve leakproofness variation, then can take place the phenomenon of infiltration, thereby comparatively inconvenient, at the in-process of using, certain influence has been brought. Accordingly, one skilled in the art has provided a soft seal flange butterfly valve that solves the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a soft sealing flange butterfly valve 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 soft sealing flange butterfly valve, includes the butterfly valve main part, top one side fixed mounting of butterfly valve main part has the connecting pipe, top one side of connecting pipe is provided with the worm gear case, inside one side of butterfly valve main part is provided with the valve plate, bottom one side of butterfly valve main part is provided with strengthens the bottom, one side that the inside of butterfly valve main part corresponds the connecting pipe is provided with the valve rod, and valve rod and valve plate fixed connection, one side that the inside of butterfly valve main part is close to the valve rod is provided with footstep bearing, one side that the inside of butterfly valve main part is close to foots.

As a further aspect of the present invention: one side that the inside of butterfly valve main part is close to the sealing washer is provided with adjustment mechanism, the bottom center department of strengthening the bottom is provided with the twist bar, and strengthens one side gomphosis that the inside of bottom corresponds the twist bar and have a connecting bearing, and strengthens bottom through connecting bearing and twist bar fixed connection.

As a further aspect of the present invention: the outer wall of twist bar is close to one side fixed mounting of adjustment mechanism has the gear, strengthen one side pin joint in the interior bottom of bottom and have the block tongue, the inside both sides of strengthening the bottom all are provided with the threaded rod, and strengthen bottom and pass through threaded rod and butterfly valve main part threaded connection.

As a further aspect of the present invention: inner loop bar has been cup jointed to adjustment mechanism's inside one side, one side sculpture that the surface of twist pole corresponds inner loop bar has the male thread groove, and the inside of inner loop bar corresponds one side of male thread groove and has seted up the female thread groove, and male thread groove and female thread groove intermeshing.

As a further aspect of the present invention: the outer surface both sides of interior loop bar all fixed mounting have a spacing slider, the inside one side that corresponds spacing slider of adjustment mechanism has seted up spacing spout, and interior loop bar passes through spacing slider and adjustment mechanism sliding connection.

As a further aspect of the present invention: the reinforcing bottom cover is fixedly connected with the clamping tongue through the connecting spring, and a stop block is fixedly mounted on one side, close to the clamping tongue, of the inner bottom of the reinforcing bottom cover.

As a further aspect of the present invention: the outer diameter of the valve rod is slightly smaller than the inner diameter of the connecting pipe, and the sealing ring is sleeved on one side of the top end of the inner loop bar.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arranged adjusting mechanism, when the device is used for a long time, the valve rod and the bottom cover are abraded, in order to improve the sealing performance of the device, a user can rotate the twisting rod by a tool such as a wrench, the convex thread groove and the concave thread groove are matched to drive the inner sleeve rod to prop up the thrust bearing, thereby the valve rod can be supplied with a defective part through the inner loop bar, the problem of poor sealing performance caused by the droop of the valve rod and the valve plate can be effectively prevented, the service life of the device is effectively prolonged, and through the matching between the limiting sliding groove and the limiting sliding block, the stability of the inner loop bar during moving can be effectively improved, the inner loop bar is sleeved by the sealing ring, thereby can effectually keep strengthening the leakproofness of bottom, the user of being convenient for uses, and is better for traditional mode.

2. Through the gear and the block tongue that set up, after rotating the wrench rod in order to prevent the user of service, the wrench rod takes place the phenomenon of gyration and leads to the device to appear the not good phenomenon of leakproofness once more, after the user of service rotates the wrench rod, then can support the block tongue through the dog, connecting spring withstands the block tongue again with gear engagement, thereby can effectually prevent the wrench rod gyration, the practicality of the device has been improved, when the user of service rotates the wrench rod, the gear then can withhold the block tongue and remove toward connecting spring's direction, because connecting spring has certain elasticity, thereby make the rotation wrench rod that the user of service can be smooth and easy, convenient to use personnel use, better for the conventional mode.

Drawings

FIG. 1 is a schematic structural view of a soft seal flange butterfly valve;

FIG. 2 is a schematic diagram of a butterfly valve body in a soft seal flange butterfly valve in a front view;

FIG. 3 is a schematic view of a connection structure of a butterfly valve body and a reinforcing bottom cover in a soft sealing flange butterfly valve;

FIG. 4 is a schematic structural diagram of an adjusting mechanism in a soft seal flange butterfly valve;

fig. 5 is a schematic top view of an adjusting mechanism in a soft seal flange butterfly valve.

In the figure: 1. a butterfly valve body; 2. a connecting pipe; 3. a worm gear case; 4. a valve plate; 5. reinforcing the bottom cover; 6. a valve stem; 7. a thrust bearing; 8. a seal ring; 9. an adjustment mechanism; 10. twisting the rod; 11. a gear; 12. a latch; 13. a threaded rod; 14. an inner loop bar; 15. a male thread groove; 16. a female thread groove; 17. a limiting slide block; 18. a limiting chute; 19. a connecting spring; 20. and a stop block.

Detailed Description

Please refer to fig. 1-5, in the embodiment of the present invention, a soft sealing flange butterfly valve, including butterfly valve main body 1, top one side fixed mounting of butterfly valve main body 1 has connecting pipe 2, top one side of connecting pipe 2 is provided with worm gear case 3, inside one side of butterfly valve main body 1 is provided with valve plate 4, bottom one side of butterfly valve main body 1 is provided with strengthens bottom 5, one side that the inside of butterfly valve main body 1 corresponds connecting pipe 2 is provided with valve rod 6, and valve rod 6 and valve plate 4 fixed connection, one side that the inside of butterfly valve main body 1 is close to valve rod 6 is provided with thrust bearing 7, one side that the inside of butterfly valve main body 1 is close to thrust bearing 7 is.

In fig. 2: one side that the inside of butterfly valve main part 1 is close to sealing washer 8 is provided with adjustment mechanism 9, strengthens bottom 5's bottom center department and is provided with wrench movement pole 10, and strengthens the inside of bottom 5 and correspond one side gomphosis of wrench movement pole 10 and have a connection bearing, and strengthens bottom 5 and pass through connection bearing and wrench movement pole 10 fixed connection to make the integrated device can guarantee the rotation that wrench movement pole 10 can be stable through connection bearing.

In fig. 2: one side fixed mounting that the outer wall of twist pole 10 is close to adjustment mechanism 9 has gear 11, strengthens interior bottom one side round pin joint of bottom 5 and has block tongue 12, strengthens the inside both sides of bottom 5 and all is provided with threaded rod 13, and strengthens bottom 5 and pass through threaded

rod

13 and 1 threaded connection of butterfly valve main part to make the integrated device can prevent that twist pole 10 from taking place the phenomenon of gyration through the cooperation of gear 11 with block tongue 12.

In fig. 3: inner loop bar 14 has been cup jointed to inside one side of adjustment mechanism 9, and the one side sculpture that the surface of twist pole 10 corresponds inner loop bar 14 has protruding thread groove 15, and concave thread groove 16 has been seted up to one side that the inside of inner loop bar 14 corresponds protruding thread groove 15, and protruding thread groove 15 and concave thread groove 16 intermeshing to make adjustment mechanism 9 can drive inner loop bar 14 upwards to withstand thrust bearing 7 and use through the cooperation of protruding thread groove 15 with concave thread groove 16.

In fig. 3: the equal fixed mounting in surface both sides of interior loop bar 14 has limit slide 17, and limit slide 18 has been seted up to one side that the inside of adjustment mechanism 9 corresponds limit slide 17, and interior loop bar 14 passes through limit slide 17 and adjustment mechanism 9 sliding connection to make the integrated device can drive the more stable reciprocating of interior loop bar 14 through limit slide 17 and limit slide 18's cooperation.

In fig. 4: the connecting spring 19 is arranged on one side, close to the clamping tongue 12, of the inner bottom of the reinforcing bottom cover 5, the reinforcing bottom cover 5 is fixedly connected with the clamping tongue 12 through the connecting spring 19, the stop block 20 is fixedly mounted on one side, close to the clamping tongue 12, of the inner bottom of the reinforcing bottom cover 5, so that the integral device can effectively limit the clamping tongue 12 through the stop block 20, and the phenomenon that the torsion bar 10 rotates is achieved by enabling the clamping tongue 12 to abut against the gear 11.

In fig. 1 or 3: the outer diameter ratio of valve rod 6 is slightly less than the inner diameter of connecting pipe 2, and sealing washer 8 cup joints top one side at interior loop bar 14 to make the integrated device can drive valve clack 4 through valve rod 6 and rotate.

The utility model discloses a theory of operation is: the butterfly valve body 1 of the device is assembled and connected with the worm gear case 3 through the connecting pipe 2, the water flow can be controlled through the valve plate 4 to be switched on and switched off, when the device is used for a long time, the valve rod 6 can be abraded with the reinforcing bottom cover 5, in order to improve the sealing performance of the device, a user can rotate the twisting rod 10 by means of a wrench and other tools, the inner loop rod 14 can be driven to upwards prop against the thrust bearing 7 through the matching between the convex thread groove 15 and the concave thread groove 16, the valve rod 6 can be supplemented with a defective part through the inner loop rod 14, the problem of poor sealing performance caused by the droop of the valve rod 6 and the valve plate 4 can be effectively prevented, the service life of the device is effectively prolonged, the stability of the inner loop rod 14 during movement can be effectively improved through the matching between the limiting slide groove 18 and the limiting slide block 17, the inner loop rod 14 is sleeved through the sealing ring 8, thereby can effectually keep strengthening the leakproofness of bottom 5, after in order to prevent that the user from rotating wrench rod 10, wrench rod 10 takes place to turn round and leads to the device to appear the phenomenon that the leakproofness is not good once more, after user rotates wrench rod 10, then can support block tongue 12 through dog 20, coupling spring 19 withstands block tongue 12 again and meshes with gear 11, thereby can effectually prevent wrench rod 10 gyration, the device's practicality has been improved, when user rotates wrench rod 10, gear 11 then can withstand block tongue 12 and move toward coupling spring 19's direction, because coupling spring 19 has certain elasticity, thereby make user's rotation wrench rod 10 that can be smooth and easy, convenient to use person uses, and is comparatively practical.

The above-mentioned, 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 soft sealing flange butterfly valve, includes butterfly valve main part (1), its characterized in that, the top one side fixed mounting of butterfly valve main part (1) has connecting pipe (2), top one side of connecting pipe (2) is provided with worm gear case (3), inside one side of butterfly valve main part (1) is provided with valve plate (4), bottom one side of butterfly valve main part (1) is provided with strengthens bottom (5), one side that the inside of butterfly valve main part (1) corresponds connecting pipe (2) is provided with valve rod (6), and valve rod (6) and valve plate (4) fixed connection, one side that the inside of butterfly valve main part (1) is close to valve rod (6) is provided with footstep bearing (7), one side that the inside of butterfly valve main part (1) is close to footstep bearing (7) is provided with sealing.

2. The flexible sealing flange butterfly valve according to claim 1, wherein an adjusting mechanism (9) is disposed on a side of the interior of the butterfly valve main body (1) close to the sealing ring (8), a twist rod (10) is disposed at a bottom center of the reinforced bottom cover (5), a connecting bearing is embedded in the interior of the reinforced bottom cover (5) corresponding to one side of the twist rod (10), and the reinforced bottom cover (5) is fixedly connected with the twist rod (10) through the connecting bearing.

3. The soft sealing flange butterfly valve of claim 2, wherein a gear (11) is fixedly mounted on one side, close to the adjusting mechanism (9), of the outer wall of the twisting rod (10), a clamping tongue (12) is in pin connection with one side of the inner bottom of the reinforcing bottom cover (5), threaded rods (13) are arranged on two sides of the inner portion of the reinforcing bottom cover (5), and the reinforcing bottom cover (5) is in threaded connection with the butterfly valve body (1) through the threaded rods (13).

4. The soft sealing flange butterfly valve according to claim 2, wherein an inner sleeve rod (14) is sleeved on one side of the inside of the adjusting mechanism (9), a convex thread groove (15) is etched on one side, corresponding to the inner sleeve rod (14), of the outer surface of the twist rod (10), a concave thread groove (16) is formed on one side, corresponding to the convex thread groove (15), of the inside of the inner sleeve rod (14), and the convex thread groove (15) and the concave thread groove (16) are meshed with each other.

5. The soft seal flange butterfly valve according to claim 4, wherein both sides of the outer surface of the inner sleeve rod (14) are fixedly provided with a limiting sliding block (17), one side of the inner part of the adjusting mechanism (9) corresponding to the limiting sliding block (17) is provided with a limiting sliding groove (18), and the inner sleeve rod (14) is connected with the adjusting mechanism (9) in a sliding manner through the limiting sliding block (17).

6. The flexible sealing flange butterfly valve according to claim 3, wherein a connecting spring (19) is disposed on a side of the inner bottom of the reinforcing bottom cover (5) close to the latch (12), the reinforcing bottom cover (5) is fixedly connected with the latch (12) through the connecting spring (19), and a stopper (20) is fixedly mounted on a side of the inner bottom of the reinforcing bottom cover (5) close to the latch (12).

7. The flexible sealing flange butterfly valve according to claim 4, characterized in that the outer diameter of the valve rod (6) is slightly smaller than the inner diameter of the connecting pipe (2), and the sealing ring (8) is sleeved on one side of the top end of the inner sleeve rod (14).