CN214171366U

CN214171366U - Anti-leakage self-sealing valve

Info

Publication number: CN214171366U
Application number: CN202120066244.5U
Authority: CN
Inventors: 孙志宾
Original assignee: Beijing Rongguang Daqian Science And Trade Co ltd
Current assignee: Beijing Rongguang Daqian Science And Trade Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-10
Anticipated expiration: 2031-01-07

Abstract

The utility model belongs to the technical field of the valve technique and specifically relates to a prevent outer hourglass self sealss valve, including valve housing, there is the lid valve housing upper end through bolt fixed mounting, go up lid upper end threaded connection and have the screw rod, screw rod upper end fixed mounting has the hand wheel, screw rod lower extreme screw thread runs through and extends to inside the valve housing, the inboard upper end fixed mounting of valve housing has the linkage, inside bottom fixed mounting of valve housing has the baffle, the inside dead slot that has seted up of baffle, this valve leak protection is effectual, is worth promoting.

Description

Anti-leakage self-sealing valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a prevent leaking self sealss valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, 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 can be repeatedly opened and closed in the use process, so that components in the valve are abraded, and the service life of the valve is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has the valve inside to be worn and torn easily among the prior art, and the self sealss valve of preventing leaking outward that provides.

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

an upper cover body is fixedly mounted at the upper end of the valve shell through bolts, a screw rod is connected to the upper end of the upper cover body through threads, a hand wheel is fixedly mounted at the upper end of the screw rod, the lower end threads of the screw rod penetrate and extend into the valve shell, a linkage part is fixedly mounted at the upper end of the inner side of the valve shell, a baffle is fixedly mounted at the bottom of the inner side of the valve shell, and a hollow groove is formed in the baffle;

the linkage part comprises a fixed block, a spring, a movable block, a limiting block, a linkage rod and a fixed box, the fixed box is fixedly arranged inside the valve shell, the lower end of the screw rod extends into the fixed box and is fixedly connected with the fixed block, the upper end of the linkage rod is movably arranged inside the fixed box up and down, the lower end of the linkage rod extends into the hollow groove, the end part of the linkage rod extending into the hollow groove is fixedly adhered with a sealing block, the upper end of the linkage rod is internally provided with a groove, both sides of the groove are provided with limiting grooves, the end part of the fixed block far away from the screw rod extends into the groove, both sides of the inner part of the end of the fixed block are provided with mounting cavities, the inner part of the mounting cavity is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with the end part of the movable block, the end part of the movable block far away from the spring is fixedly connected with the end part of the limiting block, the end part of the limiting block penetrates through the side wall of the fixing block and extends into the limiting groove.

Preferably, the end part of the limiting block, which is far away from the screw rod, is provided with a chamfer.

Preferably, the valve shell and the surface of the upper cover body which is mutually attached are fixedly adhered with a sealing gasket, and the sealing gasket is made of a rubber structure.

Preferably, a sealing ring is fixedly adhered to the inside of the baffle and sleeved on the outer side of the linkage rod, and the inside of the sealing ring is made of a rubber structure.

The utility model provides a prevent outer hourglass self sealss valve, beneficial effect lies in: when the hand wheel is rotated with the hand to the outside, the screw rod can be along with rotating, and still can reciprocate when the screw rod rotates, not only can drive the fixed block when the screw rod rotates and rotate, but also can drive the fixed block and reciprocate, can drive the stopper when the fixed block rotates at the spacing inslot internal rotation, and still can drive the gangbar when the fixed block reciprocates and reciprocate, the gangbar reciprocates alright with the control of realizing the empty groove break-make, the inside on-off control convenience of this valve is high, the leakproofness of leak protection is good, only can produce the relation of connection of staggering from top to bottom between gangbar and the baffle, can reduce the friction between gangbar and the baffle like this, and the linkage is convenient for change, make the life of this valve longer.

Drawings

Fig. 1 is a schematic structural view of an anti-leakage self-sealing valve provided by the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the self-sealing valve for preventing leakage according to the present invention;

fig. 3 is a schematic cross-sectional structural view of the position B-B in fig. 2 of the self-sealing valve for preventing leakage.

In the figure: the valve comprises a valve shell 1, an upper cover body 2, a hand wheel 3, a screw rod 4, a linkage piece 5, a fixed block 51, an installation cavity 52, a spring 53, a movable block 54, a limiting block 55, a linkage rod 56, a groove 57, a limiting groove 58, a fixed box 59, a baffle 6, an empty groove 7, a sealing block 8, a sealing ring 9 and a sealing gasket 10.

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.

Referring to fig. 1-3, an anti-leakage self-sealing valve comprises a valve housing 1, an upper cover 2 is fixedly mounted at the upper end of the valve housing 1 through bolts, sealing gaskets 10 are fixedly adhered to the surfaces of the valve housing 1 and the upper cover 2, the sealing gaskets 10 are made of rubber structures, the sealing effect between the upper cover 2 and the valve housing 1 can be improved through the sealing gaskets 10, a screw rod 4 is connected with the upper end of the upper cover 2 through threads, a hand wheel 3 is fixedly mounted at the upper end of the screw rod 4, when the hand wheel 3 is rotated by hands outside, the screw rod 4 can rotate along with the rotation and can move up and down while the screw rod 4 rotates, the lower end threads of the screw rod 4 penetrate and extend into the valve housing 1,

the upper end of the inner side of the valve shell 1 is fixedly provided with a linkage piece 5, the bottom of the inner side of the valve shell 1 is fixedly provided with a baffle 6, the inner part of the baffle 6 is provided with a hollow groove 7, the inner part of the baffle 6 is fixedly adhered with a sealing ring 9, the sealing ring 9 is sleeved on the outer side of a linkage rod 56, the inner part of the sealing ring 9 is made of a rubber structure, the inner part of the valve shell 1 is divided into a left part and a right part by the baffle 6, the inner part of the hollow groove 7 can be blocked by the linkage rod 53 and a sealing block 8, so that the on-off of fluid can be controlled, the sealing property between the bottom of the baffle 6 and the linkage rod 53 is improved by the sealing block 8, the sealing property between the upper end of the baffle 6 and the linkage rod 53 is greatly improved by the sealing ring 9, the inner part of the valve has a good leakage-proof effect, only the linkage rod 56 and the baffle 6 can generate a connection relationship which is staggered up and down, so that the friction between the linkage rod 56 and the baffle 6 can be reduced, and the linkage 56 is easily replaced, resulting in a longer service life of the valve.

The linkage piece 5 comprises a fixed block 51, a spring 53, a movable block 54, a limiting block 55, a linkage rod 56 and a fixed box 59, the fixed box 59 is fixedly installed inside the valve shell 1, the lower end of the screw rod 4 extends to the inside of the fixed box 59 and is fixedly connected with the fixed block 51, the upper end of the linkage rod 56 is movably arranged inside the fixed box 59 from top to bottom, the lower end of the linkage rod 56 extends to the inside of the hollow groove 7, a sealing block 8 is fixedly adhered to the end part of the linkage rod 56 extending to the inside of the hollow groove 7, and the sealing block 8 is made of a rubber structure.

A groove 57 is formed in the upper end of the linkage rod 56, both sides of the groove 57 are provided with limit grooves 58, the end part of the fixed block 51 far away from the screw rod 4 extends into the groove 57, both sides of the inner part of the end of the fixed block 51 are provided with mounting cavities 52, the inner part of the mounting cavity 52 is fixedly connected with one end of the spring 53, the other end of the spring 53 is fixedly connected with the end part of the movable block 54, the end part of the movable block 54 far away from the spring 53 is fixedly connected with the end part of the limit block 55, the end part of the limit block 55 penetrates through the side wall of the fixed block 51 and extends into the limit grooves 58, the end part of the limit block 55 far away from the screw rod 4 is provided with a chamfer, under the elastic action of the spring 3, the movable block 54 and the limit block 55 always have elasticity far away from the spring 3, the screw rod 4 can drive the fixed block 51 to rotate when rotating, and can drive the fixed block 51 to move up and down, when the fixed block 51 rotates in the limit grooves 58, and when the fixed block 51 moves up and down, the linkage rod 56 can be driven to move up and down, and the on-off control of the empty slot 7 can be realized by the up-and-down movement of the linkage rod 56.

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 anti-leakage self-sealing valve comprises a valve shell (1) and is characterized in that an upper cover body (2) is fixedly mounted at the upper end of the valve shell (1) through a bolt, a screw rod (4) is connected to the upper end of the upper cover body (2) in a threaded manner, a hand wheel (3) is fixedly mounted at the upper end of the screw rod (4), a lower end thread of the screw rod (4) penetrates through and extends into the valve shell (1), a linkage member (5) is fixedly mounted at the upper end of the inner side of the valve shell (1), a baffle plate (6) is fixedly mounted at the bottom of the inner side of the valve shell (1), and a hollow groove (7) is formed in the baffle plate (6);

the linkage piece (5) comprises a fixed block (51), a spring (53), a movable block (54), a limiting block (55), a linkage rod (56) and a fixed box (59), the fixed box (59) is fixedly installed inside the valve shell (1), the lower end of the screw rod (4) extends to the inside of the fixed box (59) and is fixedly connected with the fixed block (51), the upper end of the linkage rod (56) is movably arranged inside the fixed box (59) from top to bottom, the lower end of the linkage rod (56) extends to the inside of the empty groove (7), a sealing block (8) is fixedly adhered to the end part of the linkage rod (56) extending into the empty groove (7), a groove (57) is formed in the upper end of the linkage rod (56), limiting grooves (58) are formed in two sides of the groove (57), the fixed block (51) is far away from the end part of the screw rod (4) and extends into the groove (57), and the both sides of this end inside of fixed block (51) have all been seted up installation cavity (52), the installation cavity (52) inside with spring (53) one end is fixed to be linked to each other, spring (53) other end with movable block (54) end fixed links to each other, the movable block (54) keep away from the tip of spring (53) with stopper (55) end fixed links to each other, stopper (55) tip run through fixed block (51) lateral wall and extend to in spacing groove (58).

2. The leak-proof self-sealing valve as claimed in claim 1, wherein the end of the limiting block (55) far away from the screw (4) is chamfered.

3. The leak-proof self-sealing valve according to claim 1, wherein the surfaces of the valve housing (1) and the upper cover body (2) which are mutually attached are fixedly adhered with a sealing gasket (10), and the sealing gasket (10) is made of a rubber structure.

4. The leak-proof self-sealing valve as claimed in claim 1, wherein a sealing ring (9) is fixedly adhered to the inside of the baffle (6), the sealing ring (9) is sleeved on the outer side of the linkage rod (56), and the inside of the sealing ring (9) is made of a rubber structure.