CN217463281U

CN217463281U - Sealing structure of valve

Info

Publication number: CN217463281U
Application number: CN202221671112.6U
Authority: CN
Inventors: 孙小红
Original assignee: Yuhuan Swing Valve Technology Co ltd
Current assignee: Yuhuan Swing Valve Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-20
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a seal structure of valve, seal the mechanism and vice mechanism including the main, the main inboard middle part that seals the mechanism is provided with the laminating mechanism that is used for the body of rod to seal for the circulation mouth is sealed vice mechanism that seals sets up in the main inboard below middle part that seals the mechanism, and main top one side internally mounted who seals the mechanism has a stop gear who is used for antiskid. This seal structure of valve, compare with current device, through flexible post, the third spring, gag lever post and block groove, can lock the position of valve rod when using and die fixedly, thereby avoid the body of rod to work for a long time and take place radial slide, and make the bottom shift up the problem that causes the leakage, through the block groove, it closely is provided with the multiunit, thereby when the body of rod removes, can keep complex block ability, through arm-tie and rotation seat, can break away from the gag lever post pulling when using, thereby can make the body of rod resume the rotation ability, loosen the arm-tie simultaneously, the gag lever post can be spacing in automatic block again.

Description

Sealing structure of valve

Technical Field

The utility model relates to a valve seal structure technical field specifically is a seal structure of valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the functions of the valve, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, wherein the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and the valve needs to work in cooperation with a sealing structure when in use.

The existing valve sealing structure has the problem that when the valve sealing structure is used for a long time, the inner rod body is not capable of limiting, so that looseness easily occurs along with the lapse of time, leakage is caused, and sealing is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure of 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 seal structure of valve, includes that main seal mechanism and vice mechanism of sealing, the inboard middle part of main seal mechanism is provided with the laminating mechanism that is used for the body of rod to seal for the circulation mouth is sealed vice mechanism of sealing sets up in the inboard below middle part of main seal mechanism, and main top one side internally mounted who seals the mechanism has a stop gear who is used for anti-skidding, stop gear is including flexible post, third spring, gag lever post, block groove, rotation seat and arm-tie, the outside middle part of flexible post is provided with the third spring, and the front end of flexible post is connected with the gag lever post, the front side of gag lever post is provided with the block groove, outside one side of flexible post is provided with rotates the seat, and rotates the top of seat and install the arm-tie.

Further, the main sealing mechanism comprises a main body valve, a valve cover and a sealing gasket, the valve cover is installed at the top of the main body valve, and the sealing gasket is arranged on the lower surface of the valve cover.

Further, the main sealing mechanism further comprises an installation sleeve, and the installation sleeve is arranged above the inner side of the main body valve.

Further, laminating mechanism includes valve rod, sealing plug and first spring, the outside middle part of valve rod is provided with the sealing plug, and the top of sealing plug is connected with first spring.

Further, vice mechanism includes disk seat, packing ring and valve plug, the surperficial upper and lower side of disk seat is provided with the packing ring, and the middle part of disk seat is provided with the valve plug.

Further, vice mechanism of sealing still includes second spring and blotter, the second spring sets up in the inboard middle part of valve plug, and one side of second spring is connected with the blotter.

Furthermore, the outer surface of the mounting sleeve is fixed with a matching ring, and the matching ring is annularly distributed at equal intervals relative to the mounting sleeve.

Compared with the prior art, the utility model provides a seal structure of valve possesses following beneficial effect: this valve seal structure can improve the leakproofness of each seam crossing, prevents to leak, and can resist the impact of rivers, keeps sealed stability, avoids taking place smooth silk not hard up and leads to leaking simultaneously.

1. The utility model discloses a sealed pad and installation cover can improve the leakproofness after installing between main part valve and the valve gap, avoid the kneck to take place the seepage, through the cooperation circle, can improve the laminating power and the leakproofness of installation cover to avoid taking place pine and taking off and opening, through the sealing plug, can improve the leakproofness of valve rod department, and thus can avoid liquid to take place the seepage from the valve rod gap, through first spring, can be used to make the sealing plug have certain flexible ability, thus when the valve rod moves, can make corresponding deformation;

2. the utility model discloses a packing ring can improve the laminating force between disk seat and the valve plug to can make the fastening nature after the valve plug seals better, avoid taking place the weeping, through blotter and second spring, can make the surface both sides of valve plug have certain shock resistance, thus when meetting the strong pressure rivers, can cushion the offset with the impact of water, thereby be favorable to keeping the stability that the valve plug is sealed, simultaneously blotter and packing ring all adopt corrosion-resistant material, thereby when contacting with liquid for a long time, be unlikely to corrode and warp and influence sealed;

3. the utility model discloses a flexible post, the third spring, gag lever post and block groove, can lock the position of valve rod when using and die fixedly, thereby avoid the long-time work of the body of rod to take place radial slip, and make the bottom shift up and cause the problem of leakage, through block groove, it closely is provided with the multiunit, thereby when the body of rod removes, can keep complex block ability, through arm-tie and rotation seat, can break away from the gag lever post pulling when using, thereby can make the body of rod resume the rolling power, loosen the arm-tie simultaneously, the gag lever post can be spacing again from automatic block.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the installation sleeve of the present invention.

In the figure: 1. a main sealing mechanism; 101. a body valve; 102. a valve cover; 103. a gasket; 104. installing a sleeve; 2. a fitting mechanism; 201. a valve stem; 202. a sealing plug; 203. a first spring; 3. a secondary sealing mechanism; 301. a valve seat; 302. a gasket; 303. a valve plug; 304. a second spring; 305. a cushion pad; 4. a limiting mechanism; 401. a telescopic column; 402. a third spring; 403. a limiting rod; 404. a clamping groove; 405. a rotating seat; 406. pulling a plate; 5. and (4) matching the ring.

Detailed Description

As shown in fig. 1 and 3, a sealing structure of a valve comprises a main sealing mechanism 1 and an auxiliary sealing mechanism 3, wherein a fitting mechanism 2 for sealing a rod body is arranged in the middle of the inner side of the main sealing mechanism 1, the auxiliary sealing mechanism 3 for sealing a flow opening is arranged in the middle of the lower portion of the inner side of the main sealing mechanism 1, the main sealing mechanism 1 comprises a main body valve 101, a valve cover 102 and a sealing gasket 103, the top of the main body valve 101 is provided with the valve cover 102, the lower surface of the valve cover 102 is provided with the sealing gasket 103, the main sealing mechanism 1 further comprises an installation sleeve 104, the installation sleeve 104 is arranged above the inner side of the main body valve 101, the outer surface of the installation sleeve 104 is fixed with a matching ring 5, the matching ring 5 is distributed in an equidistant annular shape relative to the installation sleeve 104, the sealing performance after installation between the main body valve 101 and the valve cover 102 can be improved through the sealing gasket 103 and the installation sleeve 104, leakage at an interface can be avoided, the fitting force and the sealing performance of the installation sleeve 104 can be improved through the matching ring 5, therefore, loosening and opening are avoided, the attaching mechanism 2 comprises a valve rod 201, a sealing plug 202 and a first spring 203, the sealing plug 202 is arranged in the middle of the outer side of the valve rod 201, the first spring 203 is connected above the sealing plug 202, the sealing performance of the valve rod 201 can be improved through the sealing plug 202, liquid can be prevented from leaking from a gap of the valve rod 201, the sealing plug 202 can have certain telescopic capacity through the first spring 203, and therefore when the valve rod 201 moves, corresponding deformation can be made;

as shown in fig. 1-2, a limiting mechanism 4 for preventing sliding is installed inside one side above the main seal mechanism 1, the sub-seal mechanism 3 includes a valve seat 301, a gasket 302 and a valve plug 303, the gasket 302 is installed above and below the surface of the valve seat 301, and the valve plug 303 is installed in the middle of the valve seat 301, the sub-seal mechanism 3 further includes a second spring 304 and a buffer pad 305, the second spring 304 is installed in the middle of the inner side of the valve plug 303, and one side of the second spring 304 is connected with the buffer pad 305, the joint force between the valve seat 301 and the valve plug 303 can be improved through the gasket 302, so that the tightness after the valve plug 303 is sealed can be better, leakage can be avoided, both sides of the surface of the valve plug 303 can have certain impact resistance through the buffer pad 305 and the second spring 304, so that when strong pressure water flows are encountered, the impact of water can be buffered and offset, thereby being beneficial to keeping the stability of the sealing of the valve plug 303, meanwhile, the buffer cushion 305 and the gasket 302 are made of corrosion-resistant materials, so that when the buffer cushion contacts liquid for a long time, the corrosion deformation is avoided, the sealing is not influenced, the limiting mechanism 4 comprises a telescopic column 401, a third spring 402, a limiting rod 403, a clamping groove 404, a rotating seat 405 and a pulling plate 406, the third spring 402 is arranged in the middle of the outer side of the telescopic column 401, the limiting rod 403 is connected to the front end of the telescopic column 401, the clamping groove 404 is arranged on the front side of the limiting rod 403, the rotating seat 405 is arranged on one side of the outer portion of the telescopic column 401, the pulling plate 406 is arranged above the rotating seat 405, the position of the valve rod 201 can be locked and fixed through the telescopic column 401, the third spring 402, the limiting rod 403 and the clamping groove 404 when the valve rod is used, the problem that the leakage is caused by the radial sliding of the long-time work of the rod body and the upward movement of the bottom is solved, and a plurality of groups are tightly arranged through the clamping groove 404, so that when the rod body moves, can keep the complex block ability, through arm-tie 406 and rotation seat 405, can break away from the gag lever post 403 pulling when using to can make the body of rod resume rotation ability, loosen arm-tie 406 simultaneously, gag lever post 403 can be spacing in automatic block again.

The working principle is as follows: when the valve sealing structure is used, firstly, the sealing performance after installation between the main body valve 101 and the valve cover 102 can be improved through the sealing gasket 103 and the installation sleeve 104, leakage at an interface is avoided, then, the attaching force and the sealing performance of the installation sleeve 104 can be improved through the matching ring 5, loosening and opening are avoided, then, the sealing performance at the valve rod 201 can be improved through the sealing plug 202, liquid leakage from the gap of the valve rod 201 can be avoided, then, the sealing plug 202 has certain telescopic capacity through the first spring 203, corresponding deformation can be made when the valve rod 201 moves, at the moment, the attaching force between the valve seat 301 and the valve plug 303 can be improved through the gasket 302, the tightness after the sealing of the valve plug 303 can be better, and then, through the cushion pad 305 and the second spring 304, certain impact resistance can be realized on two sides of the surface of the valve plug 303, thereby when meetting the forced draft rivers, can cushion the offset with the impact of water, simultaneously blotter 305 and packing ring 302 all adopt corrosion-resistant material, then through flexible post 401, third spring 402, gag lever post 403 and block groove 404, can lock the position of valve rod 201 when using and die fixedly, thereby avoid the long-time work of the body of rod to take place radial slide, rethread block groove 404, it closely is provided with the multiunit, thereby when the body of rod removes, can keep complex block ability, at last through arm-tie 406 and rotation seat 405, can break away from the gag lever post 403 pulling when using, thereby can make the body of rod resume the rotating power, loosen arm-tie 406 simultaneously, gag lever post 403 can be spacing with automatic block again.

Claims

1. A sealing structure of a valve comprises a main sealing mechanism (1) and an auxiliary sealing mechanism (3), and is characterized in that a fitting mechanism (2) used for sealing a rod body is arranged in the middle of the inner side of the main sealing mechanism (1), the auxiliary sealing mechanism (3) used for sealing a circulation port is arranged in the middle of the lower portion of the inner side of the main sealing mechanism (1), a limiting mechanism (4) used for preventing sliding is arranged in one side of the upper portion of the main sealing mechanism (1), the limiting mechanism (4) comprises a telescopic column (401), a third spring (402), a limiting rod (403), a clamping groove (404), a rotating seat (405) and a pulling plate (406), the third spring (402) is arranged in the middle of the outer side of the telescopic column (401), the limiting rod (403) is connected to the front end of the telescopic column (401), the clamping groove (404) is arranged on the front side of the limiting rod (403), the rotating seat (405) is arranged on one side of the outer portion of the telescopic column (401), and a pulling plate (406) is arranged above the rotating seat (405).

2. A sealing structure of a valve according to claim 1, wherein the main sealing mechanism (1) comprises a main body valve (101), a valve cover (102) and a sealing gasket (103), the valve cover (102) is mounted on the top of the main body valve (101), and the sealing gasket (103) is arranged on the lower surface of the valve cover (102).

3. A sealing arrangement for a valve according to claim 2, characterised in that the primary seal means (1) further comprises a mounting sleeve (104), and the mounting sleeve (104) is disposed over the inside of the main body valve (101).

4. A sealing structure of a valve according to claim 1, wherein the attaching mechanism (2) comprises a valve rod (201), a sealing plug (202) and a first spring (203), the sealing plug (202) is arranged at the middle part of the outer side of the valve rod (201), and the first spring (203) is connected above the sealing plug (202).

5. A sealing structure of a valve according to claim 1, wherein the secondary sealing mechanism (3) comprises a valve seat (301), a gasket (302) and a valve plug (303), the gasket (302) is arranged on the surface of the valve seat (301) and on the lower part, and the valve plug (303) is arranged in the middle of the valve seat (301).

6. A sealing structure of a valve according to claim 5, wherein the secondary seal mechanism (3) further comprises a second spring (304) and a cushion pad (305), the second spring (304) is arranged at the inner middle part of the valve plug (303), and the cushion pad (305) is connected with one side of the second spring (304).

7. A sealing structure of a valve according to claim 3, wherein the outer surface of the mounting sleeve (104) is fixed with the fitting ring (5), and the fitting ring (5) is annularly distributed at equal intervals with respect to the mounting sleeve (104).