CN217401722U

CN217401722U - Butt-clamp type sealing butterfly valve

Info

Publication number: CN217401722U
Application number: CN202220217498.7U
Authority: CN
Inventors: 吕德兴; 吕荣添
Original assignee: Lock Valve Jiangsu Co ltd
Current assignee: Lock Valve Jiangsu Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-09-09
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a butterfly valve is sealed to wafer formula relates to wafer formula butterfly valve technical field. Including the valve collar, valve collar top fixedly connected with seal, valve collar middle part are provided with the valve body, and the seal top is provided with and is used for controlling the rotatory arrester of valve body, and wherein, the valve body includes the connecting rod, and the connecting rod both ends are rotated and are connected in valve collar middle part, and the arrester includes the master gear, and connecting rod top surface fixed connection is in master gear middle part. The utility model discloses a setting of valve body etc, this butterfly valve compare in traditional wafer formula butterfly valve have better leakproofness and life, through the setting of double-deck butterfly valve, the sealing of valve body both sides can all be guaranteed in both sides to this butterfly valve to through the setting of sealed air cushion ring, make this butterfly valve closely laminate with the inner wall of valve ring all the time, and allow certain fault-tolerant rate, after long-time the use, rubber air cushion ring produces under the condition of wearing and tearing still can and the valve ring between keep sealed.

Description

Butt-clamp type sealing butterfly valve

Technical Field

The utility model relates to a butt clamp formula butterfly valve technical field specifically is a butt clamp formula seal butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for the on-off control of a low-pressure pipeline medium, is a valve which is a closing member, a valve clack or a butterfly plate is a disc, and can rotate around a valve shaft to open and close, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve is characterized in that the butterfly valve opening and closing part is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

Although the butterfly valve structure is few, the low price, the performance is also outstanding relatively, but the adaptation degree that same butterfly valve exists valve clack and valve body is low, needs to increase the condition that the rubber pad guaranteed the leakproofness, under the condition of long-term wearing and tearing and corruption, and the valve clack is difficult to keep permanent leakproofness, still has on the market now to carry out the modified scheme to this kind of condition seldom, for this reason, the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve is sealed to wafer formula 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 sealed butterfly valve of formula of clamp, includes the valve collar, valve collar top fixedly connected with seal, valve collar middle part are provided with the valve body, and the seal top is provided with the rotatory arrester that is used for controlling the valve body, and wherein, the valve body includes the connecting rod, and the connecting rod both ends are rotated and are connected in the valve collar middle part, and the arrester includes the master gear, and connecting rod top fixed surface is connected in master gear middle part, the equal fixedly connected with hangers in surface all around the valve collar, the spacing thread groove of using of hangers middle part fixedly connected with.

Preferably, the top and the bottom surfaces of the connecting rod are fixedly connected with a torque spring, and one side of each of the two torque springs is fixedly connected with a valve plate.

Preferably, two the valve block surface has all seted up the annular, and annular fixed surface is connected with sealed air cushion ring.

Preferably, the middle surface of the inner wall of the valve ring is provided with a convex ring, the width of the convex ring is matched with the width between the two valve plates, the diameter of the valve plates and the sealing air cushion ring is larger than the diameter of the inner wall of the valve ring, and the minimum wall thickness of the sealing air cushion ring is 1 cm.

Preferably, the braking member further comprises a connecting block, a groove is formed in the top of the connecting block, the main gear is arranged in the groove, the other side in the groove is rotatably connected with an auxiliary gear, and the middle of the auxiliary gear is fixedly connected with the braking rod.

Preferably, the top of the brake rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a handle, and the handle and the connecting block are arranged at a right angle.

Preferably, one side of the sealing body is fixedly connected with a convex block, the top of the convex block is provided with a one-way bearing, and the bottom surface of the brake rod is fixedly connected with the inner wall of the one-way bearing.

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

this sealed butterfly valve of wafer-type passes through the setting of valve body etc, this butterfly valve is compared in traditional wafer-type butterfly valve and has better leakproofness and life, setting through double-deck butterfly valve, the sealing of valve body both sides can all be guaranteed in both sides to this butterfly valve, and through the setting of sealed air cushion ring, make this butterfly valve closely laminate with the inner wall of valve ring all the time, and allow certain fault-tolerant rate, after long-time the use, rubber air cushion ring produces under the condition of wearing and tearing still can and the valve ring between keep sealed, life obviously increases, and reduce this wafer-type butterfly valve's fault rate.

Simultaneously, this butterfly valve is sealed to wafer formula is the improvement of making in original butterfly valve structure, and improvement and research and development cost are all lower relatively, and the structure does not obviously increase, and stability is stronger, and the switch of this butterfly valve is more high-efficient simultaneously, can be comparatively light when valve body both sides pressure is great carry out the on-off operation of valve body.

Drawings

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

FIG. 2 is a schematic view of the valve body structure of the present invention;

FIG. 3 is a schematic view of the valve ring structure of the present invention;

FIG. 4 is a schematic side view of the present invention;

fig. 5 is a schematic view of the braking member of the present invention.

In the figure: 1. a valve ring; 101. a convex ring; 2. a seal body; 3. a bump; 4. a stopper; 401. a joining block; 402. a main gear; 403. a pinion gear; 404. a handle; 405. a brake lever; 406. a one-way bearing; 5. a valve body; 501. a connecting rod; 502. a torque spring; 503. a valve plate; 504. a ring groove; 505. a sealing air cushion ring; 6. a thread groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-5, the utility model provides a technical solution: a butt-clamping type sealing butterfly valve comprises a valve ring 1, a sealing body 2 is fixedly connected with the top of the valve ring 1, a valve body 5 is arranged in the middle of the valve ring 1, a braking part 4 for controlling the rotation of the valve body 5 is arranged on the top of the sealing body 2, wherein, the valve body 5 comprises a connecting rod 501, two ends of the connecting rod 501 are rotatably connected to the middle part of the valve ring 1, the braking part 4 comprises a main gear 402, the top surface of the connecting rod 501 is fixedly connected to the middle part of the main gear 402, the surfaces of the periphery of the valve ring 1 are fixedly connected with lugs, the middle part of the lug is fixedly connected with a thread groove 6 for limiting, compared with the traditional wafer butterfly valve, the butterfly valve has better sealing performance and service life, and through the arrangement of a double-layer butterfly valve, the butterfly valve can ensure the sealing of the two sides of the valve body 5 at both sides, and through the arrangement of the sealing air cushion ring 505, the butterfly valve can be always tightly attached to the inner wall of the valve ring 1, and certain fault tolerance is allowed.

In order to ensure that the scheme is the optimal preferred scheme, it needs to be understood that the surfaces of the top and the bottom of the connecting rod 501 are fixedly connected with one torque spring 502, one side of each of the two torque springs 502 is fixedly connected with a valve plate 503, conditions can be provided for slight movement of the valve plate 503 through the arrangement of the torque springs 502, and when the valve body 5 rotates, the valve plate 503 can still continue to rotate after the valve plate 503 touches the convex ring 101, so that the switch feasibility of the valve body 5 is ensured.

In order to ensure that the embodiment is the best embodiment, it should be understood that the surfaces of the two valve plates 503 are both provided with the annular grooves 504, the surfaces of the annular grooves 504 are fixedly connected with the sealing air cushion rings 505, the valve body 5 can be always tightly attached to the inner wall of the valve ring 1 through the arrangement of the sealing air cushion rings 505, a certain fault tolerance rate is allowed, and after long-time use, the sealing air cushion rings 505 can still keep sealing with the valve ring 1 under the condition of abrasion.

Wherein, what need know about this scheme is, 1 inner wall middle part surface of valve ring is provided with bulge loop 101, the width of bulge loop 101 and the width looks adaptation between two valve blocks 503, wherein, the diameter of valve block 503 plus sealed air backing ring 505 is greater than the inner wall diameter of valve ring 1, the minimum wall thickness of sealed air backing ring 505 is 1 centimetre, through this setting for sealed air backing ring 505 has longer life, and sealed air backing ring 505 inner wall packing gas, can guarantee sealed air backing ring 505's elasticity, make it can with closely laminate between the valve ring 1.

In order to ensure that the embodiment is a preferred embodiment, it should be understood that the braking member 4 further includes a connection block 401, a slot is formed on the top of the connection block 401, a main gear 402 is disposed in the slot, a secondary gear 403 is rotatably connected to the other side of the slot, a braking rod 405 is fixedly connected to the middle of the secondary gear 403, the secondary gear 403 is driven to rotate by the rotation of the braking rod 405, the two gears are meshed and connected, and the connection rod 501 is driven to rotate by the connection relationship between the main gear 402 and the connection rod 501, so as to open and close the valve body 5.

Preferably, brake lever 405 top fixedly connected with connecting block, connecting block one side fixedly connected with handle 404 is the right angle setting between handle 404 and the connecting block, and the switch of this butterfly valve is more high-efficient, can be comparatively light when 5 both sides pressure of valve body is great carry out the switch operation of

valve body

5, 2 one side fixedly connected with lugs 3 of seal, and the 3 tops of lugs are provided with one-way bearing 406, and brake lever 405 bottom fixed surface connects in one-way bearing 406 inner wall.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a butterfly valve is sealed to wafer formula, includes valve ring (1), its characterized in that: valve ring (1) top fixedly connected with seal (2), valve ring (1) middle part is provided with valve body (5), seal (2) top is provided with and is used for controlling rotatory braking part (4) of valve body (5), wherein, valve body (5) include connecting rod (501), connecting rod (501) both ends are rotated and are connected in valve ring (1) middle part, braking part (4) include master gear (402), connecting rod (501) top fixed surface is connected in master gear (402) middle part, the equal fixedly connected with hangers in surface all around of valve ring (1), spacing thread groove (6) of using of hangers middle part fixedly connected with.

2. The wafer-type sealing butterfly valve of claim 1, wherein: the connecting rod (501) top and bottom surface all fixedly connected with a torque spring (502), two torque spring (502) one side all fixedly connected with valve block (503).

3. The wafer-type sealing butterfly valve of claim 2, wherein: two annular grooves (504) are all seted up on valve block (503) surface, and annular groove (504) surface fixed connection has sealed air cushion ring (505).

4. The wafer-type sealing butterfly valve of claim 2, wherein: the valve is characterized in that a convex ring (101) is arranged on the surface of the middle of the inner wall of the valve ring (1), the width of the convex ring (101) is matched with the width between the two valve plates (503), the diameters of the valve plates (503) and the sealing air cushion ring (505) are larger than the diameter of the inner wall of the valve ring (1), and the minimum wall thickness of the sealing air cushion ring (505) is 1 cm.

5. The wafer-type sealing butterfly valve of claim 1, wherein: the braking piece (4) further comprises a joining block (401), a groove is formed in the top of the joining block (401), the main gear (402) is arranged in the groove, the other side in the groove is rotatably connected with a secondary gear (403), and the middle of the secondary gear (403) is fixedly connected with a braking rod (405).

6. The wafer-type sealing butterfly valve of claim 5, wherein: the top of the brake rod (405) is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a handle (404), and the handle (404) and the connecting block are arranged at a right angle.

7. The wafer-type sealing butterfly valve of claim 5, wherein: one side of the sealing body (2) is fixedly connected with a convex block (3), the top of the convex block (3) is provided with a one-way bearing (406), and the surface of the bottom of the brake rod (405) is fixedly connected with the inner wall of the one-way bearing (406).