CN218718939U

CN218718939U - Leakage-proof valve with protection mechanism

Info

Publication number: CN218718939U
Application number: CN202221383648.8U
Authority: CN
Inventors: 杨永超
Original assignee: Guangdong Hengfeng Blue Environmental Engineering Co ltd
Current assignee: Guangdong Hengfeng Blue Environmental Engineering Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-03-24
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to the technical field of valves, especially, relate to a prevent leaking valve with protection mechanism, solved among the prior art the valve seal mode single lead to sealed not good problem of effect. The utility model provides a prevent valve that reveals with protection mechanism, includes the valve body pipeline, fixedly connected with valve rod seat directly over the valve body pipeline, the inner chamber of valve rod seat and the inner chamber intercommunication of valve body pipeline, the inner chamber of valve rod seat includes sealed chamber, and the top and the bottom in sealed chamber all are provided with the through chamber, and the inner chamber in through chamber, sealed chamber and valve body pipeline all communicates, and the through chamber is frustum shape structure and increases gradually in the direction that is close to the valve body pipeline radial dimension. The utility model discloses a mobilizable first seal cover has strengthened the leakproofness between valve rod and the valve rod seat, has strengthened the leakproofness of valve kneck through the sealing ring, has synthesized the sealed effect of having strengthened this valve, has reduced the medium and has leaked the probability that causes environmental pollution, is favorable to environmental protection safety.

Description

Leakage-proof valve with protection mechanism

Technical Field

The utility model relates to the technical field of valves, especially, relate to a prevent valve that reveals with protection mechanism.

Background

The valves are required to be installed in various conveying pipelines in the modern production flow to play roles of isolating equipment pipeline systems, adjusting flow, preventing backflow and the like, and under a modern industrial production system, the production and processing flow is highly automatic, so that fluids in various states including steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like are required to be conveyed by utilizing the pipeline systems, and the medium conveying system formed by the conveying pipelines in a valve matching mode can greatly improve the efficiency and accuracy of medium conveying, so that the aim of efficient production and processing is fulfilled.

However, although various valves in the prior art are complete in function and enough to meet the control requirement in the process of conveying media, the sealing modes adopted by the valves are single, the most commonly used fixed annular sealing ring can play a good sealing effect in the process of stably conveying media, however, once the stability of medium conveying is poor, the phenomenon of pressure increase in the valve occurs, the sealing burden of the sealing ring can be increased, the problem of medium leakage is easily caused at the connecting position of the valve body and the valve rod and the butt joint position of the valve and the conveying pipeline, and substances such as corrosive media, oil, liquid metal, radioactive media and the like can cause environmental pollution after leakage, which is not only unfavorable for environmental protection and possibly causes damage to the health of operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent leaking valve with protection mechanism has solved among the prior art the single not good problem of sealed effect that leads to of valve seal mode.

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

the utility model provides a prevent leaking valve with protection mechanism, including the valve body pipeline, fixedly connected with valve rod seat directly over the valve body pipeline, the inner chamber of valve rod seat and the inner chamber intercommunication of valve body pipeline, the inner chamber of valve rod seat includes the seal chamber, the top and the bottom in seal chamber all are provided with the through chamber, the inner chamber of seal chamber and valve body pipeline all communicate, the through chamber is frustum shape structure and radial dimension is crescent in the direction of being close to the valve body pipeline, be provided with the ball valve case in the valve body pipeline, the inside of valve rod seat is provided with the valve rod, the bottom of valve rod is through mount pad and ball valve case fixed connection, the outside cover of valve rod is equipped with first seal cover and second seal cover and is located directly over first seal cover, first seal cover is located the seal chamber, first seal cover is with the frustum shape structure of seal chamber matched with and length in vertical direction is less than the length in seal chamber, second valve rod and first seal cover fixed connection, the seal cover is connected with the valve rod seat rotation through the gland, the gland is located the top of second seal cover, the valve rod is connected with the valve rod through the spring handle that the spring is provided with the valve rod fixed connection, the valve rod handle.

Preferably, first seal cover includes the rubber circle, and the embedded metal block that has a plurality of to be annular array and distribute that has of rubber circle.

Preferably, the inner chamber of valve body pipeline includes the case chamber, the both sides in case chamber all are provided with the intake antrum, the outside of two intake antrums all is provided with the transition chamber, all case chambers, intake antrums and transition chamber all communicate, the intake antrum is frustum shape structure and reduces gradually in the direction that is close to the case chamber radial dimension, the transition intracavity is provided with the spacing ring, one side that the intake antrum was kept away from to the spacing ring is provided with the sealing ring, the sealing ring passes through spring and sealing ring elastic sliding connection and the spring is located between sealing ring and the spacing ring.

Preferably, be provided with two gag lever posts that are the symmetric distribution between sealing ring and the gag lever post, the passing through of gag lever post is adjusted the pole and is connected with the valve body pipeline rotation, adjusts the pipeline wall and the gag lever post fixed connection of running through the valve body pipeline of pole and is being connected with the valve body pipeline rotation through sealed bearing in the department of running through.

Preferably, the limiting rod is made of metal and balls are movably embedded in the side walls of the two ends of the limiting rod.

Preferably, the adjusting handle and the adjusting rod are both in an L-shaped structure.

The utility model discloses possess following beneficial effect:

1. through the first seal cover, the second seal cover, the cooperation of seal chamber and spring, when the valve body internal pressure was too big, pressure can promote first seal cover and slide on the seal chamber is interior, this in-process, the accommodation space of first seal cover reduces gradually and leads to first seal cover to be extrudeed, thereby the laminating degree of first seal cover and seal chamber lateral wall has been strengthened, the effect of the leakproofness of promoting first seal cover has been realized, thereby the probability of the medium of being delivered in taking place this valve leaks and causes environmental pollution's problem has been reduced, the effect of safety ring protects has been realized.

2. Through the cooperation of spacing ring, spring and sealing ring, can utilize the sealing ring to provide interior seal for the seam at the butt joint department of conduit and valve body pipeline, promoted the leakproofness of this valve butt joint position department, further reduced the probability that the medium of being carried leaks.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic side view of a first seal cartridge;

FIG. 3 is a side view of the valve body pipe, the sealing ring, the limiting rod and the adjusting rod.

In the figure: 1. a valve body conduit; 2. a water inlet cavity; 3. a spool cavity; 4. a transition chamber; 5. a valve stem seat; 6. sealing the cavity; 7. a through cavity; 8. a valve stem; 9. a first seal cartridge; 10. a gland; 11. an adjusting handle; 12. a ball valve spool; 13. a mounting seat; 14. a limiting ring; 15. a seal ring; 16. adjusting a rod; 17. a limiting rod; 18. sealing the bearing; 19. a second seal cartridge; 21. a rubber ring; 22. a metal block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, a leakage-proof valve with a protection mechanism, including a valve body pipeline 1, a valve rod seat 5 is fixedly connected right above the valve body pipeline 1, an inner cavity of the valve rod seat 5 is communicated with an inner cavity of the valve body pipeline 1, the inner cavity of the valve rod seat 5 includes a seal cavity 6, a straight-through cavity 7 is respectively arranged at the top and the bottom of the seal cavity 6, the straight-through cavity 7, the seal cavity 6 and the inner cavity of the valve body pipeline 1 are both communicated, the straight-through cavity 7 is in a frustum-shaped structure and gradually increases in radial size in a direction close to the valve body pipeline 1, a ball valve core 12 is arranged in the valve body pipeline 1, a valve rod 8 is arranged inside the valve rod seat 5, the bottom end of the valve rod 8 is fixedly connected with the ball valve core 12 through a mounting seat 13, the outer side of the valve rod 8 is sleeved with a first seal sleeve 9 and a second seal sleeve 19, the second seal sleeve 19 is positioned right above the first seal sleeve 9, the first seal sleeve 9 is positioned in the seal cavity 6, the first seal sleeve 9 is positioned in the seal sleeve, the seal sleeve is positioned in the seal sleeve 10, the top of the valve rod seat is connected with a valve rod seat through a spring handle 10, and a regulating cover 10 connected with the valve rod seat 10.

The scheme has the following working processes:

when this valve body because the too big tendency that appears medium leakage of pressure in the valve body, pressure in the valve body can promote first seal cover 9 to the direction of gland 10, at this in-process, the spring between gland 10 and second seal cover 19 can be compressed, the whole that first seal cover 9 and second seal cover 19 connect and form can slide in valve body pipeline 1, at this moment, first seal cover 9 can move to the direction that the radial dimension of seal chamber 6 reduces, consequently, the accommodation space that first seal cover 9 located can reduce gradually, first seal cover 9 can be extrudeed gradually, the laminating degree of first seal cover 9 and the lateral wall of seal chamber 6 can be strengthened from this, the leakproofness's of first seal cover 9 effect has been strengthened.

According to the working process, the following steps are known:

the sealing performance of the first sealing sleeve 9 in the valve can be gradually enhanced along with the increase of the pressure in the valve, the probability of environmental pollution caused by the leakage of a medium conveyed in the valve body is effectively reduced, and the effects of environmental protection and safety are realized.

Further, first seal cover 9 includes rubber circle 21, and rubber circle 21 embedded joint has a plurality of to be the metal block 22 that the annular array distributes, and metal block 22 can play the effect for rubber circle 21 setting, is favorable to delaying the deformation of rubber circle 21, has promoted first seal cover 9's durability.

Further, the inner chamber of valve body pipeline 1 includes case chamber 3, the both sides of case chamber 3 all are provided with intake antrum 2, the outside of two intake antrums 2 all is provided with transition chamber 4, all case chambers 3, intake antrum 2 and transition chamber 4 all communicate, intake antrum 2 is frustum shape structure and reduces gradually in the direction that is close to case chamber 3 radial dimension, be provided with spacing ring 14 in the transition chamber 4, one side that intake antrum 2 was kept away from to spacing ring 14 is provided with sealing ring 15, sealing ring 15 is located between sealing ring 15 and the spacing ring 14 through spring and the 15 elastic sliding connection of sealing ring and spring, when carrying out the pipeline butt joint, can push sealing ring 15 into the inner chamber of valve body pipeline 1, after the butt joint installation is accomplished, sealing ring 15 can automatically cover the seam of butt joint department under the effect of spring, thereby for the seam provides the inner seal, the bee nature of butt joint position department has been strengthened, the probability of medium leakage has further been reduced.

Further, be provided with two gag lever post 17 that are the symmetric distribution between sealing ring 15 and the gag lever post 14, the passing through of gag lever post 17 is adjusted pole 16 and is rotated with valve body pipeline 1 and be connected, adjust the pipeline wall and the gag lever post 17 fixed connection that run through valve body pipeline 1 of pole 16 and pass through sealed bearing 18 and valve body pipeline 1 and rotate in the department of running through and be connected, rotatory gag lever post 17 supports sealing ring 15 and gag lever post 14 respectively with the whole both ends to gag lever post 17 that the regulation pole 16 is connected and forms, can prevent to take place sealing ring 15 and take place the displacement under the medium impact and lead to the problem that the seam exposes, be favorable to maintaining stable sealed effect.

Furthermore, the limiting rod 17 is made of metal and balls are movably embedded in the side walls of the two ends of the limiting rod 17, so that the friction resistance of the limiting rod 17 in the rotating process can be reduced, and the adjusting operation is facilitated.

Furthermore, the adjusting handle 11 and the adjusting rod 16 are both L-shaped structures, the L-shaped structures are convenient to hold and do not need to be adjusted by means of an installation tool, and meanwhile, the effect of saving labor can be achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent leaking valve with protection mechanism, includes valve body pipeline (1), its characterized in that: directly over fixedly connected with valve rod seat (5) directly over valve body pipeline (1), the inner chamber of valve rod seat (5) and the inner chamber intercommunication of valve body pipeline (1), the inner chamber of valve rod seat (5) includes sealed chamber (6), the top and the bottom in sealed chamber (6) all are provided with through chamber (7), the inner chamber of through chamber (7), sealed chamber (6) and valve body pipeline (1) all communicate, through chamber (7) are frustum shape structure and increase gradually in the direction that is close to valve body pipeline (1) radial dimension, be provided with ball valve core (12) in valve body pipeline (1), the inside of valve rod seat (5) is provided with valve rod (8), the bottom of valve rod (8) is through mount pad (13) and ball valve core (12) fixed connection, the outside cover of valve rod (8) is equipped with first seal cover (9) and second seal cover (19) and is located directly over first seal cover (9), first seal cover (9) is located sealed chamber (6) and second seal cover (19) and is sealed gland (6) and is connected through vertical gland length (10) and valve rod seat (6) and seal gland (10) and be less than seal gland length and seal chamber (9) and seal gland (10) and seal gland seal chamber (6) and seal gland (10) and be connected directly over first seal chamber (10) and valve rod pipe (1) and be connected the valve body pipeline (1) and be connected directly over the valve rod pipeline The movable connection device is characterized in that the gland (10) is located in the valve rod seat (5) and located at the top of the second sealing sleeve (19), the second sealing sleeve (19) and the gland (10) are connected through elastic sliding of a spring and sleeved on the outer wall of the valve rod (8), the top of the valve rod seat (5) is provided with an adjusting handle (11), and the adjusting handle (11) is fixedly connected with the valve rod (8).

2. A leak-proof valve with a protection mechanism as claimed in claim 1, wherein: the first sealing sleeve (9) comprises a rubber ring (21), and a plurality of metal blocks (22) distributed in an annular array are embedded in the rubber ring (21).

3. A leak-proof valve with a protection mechanism as claimed in claim 1, wherein: the inner chamber of valve body pipeline (1) includes case chamber (3), the both sides of case chamber (3) all are provided with intake antrum (2), two the outside of intake antrum (2) all is provided with transition chamber (4), all case chamber (3), intake antrum (2) and transition chamber (4) all communicate, intake antrum (2) are frustum shape structure and reduce gradually in the direction that is close to case chamber (3) radial dimension, be provided with spacing ring (14) in transition chamber (4), one side that intake antrum (2) were kept away from in spacing ring (14) is provided with sealing ring (15), sealing ring (15) are located between sealing ring (15) and spacing ring (14) through spring and sealing ring (15) elastic sliding connection and spring.

4. A leak-proof valve with a protection mechanism according to claim 3, wherein: be provided with two gag lever post (17) that are the symmetric distribution between sealing ring (15) and gag lever post (14), the passing through of gag lever post (17) is adjusted pole (16) and is rotated with valve body pipeline (1) and be connected, adjust the pipeline wall and gag lever post (17) fixed connection that run through valve body pipeline (1) of pole (16) and be connected with valve body pipeline (1) rotation through sealed bearing (18) in the department of running through.

5. A leak-proof valve with a protection mechanism as claimed in claim 4, wherein: the limiting rod (17) is made of metal materials, and balls are movably embedded in the side walls of the two ends of the limiting rod (17).

6. A leak-proof valve with a protection mechanism as claimed in claim 4, wherein: the adjusting handle (11) and the adjusting rod (16) are both L-shaped structures.