CN211474962U

CN211474962U - Quick-closing swing valve

Info

Publication number: CN211474962U
Application number: CN202020005941.5U
Authority: CN
Inventors: 郑德宠
Original assignee: Jiutong Group Co ltd
Current assignee: Jiutong Group Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-11
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a quick-closing swing valve, the water-cooled double-layer valve comprises a valve body, sealing mechanism includes bull stick, round pin axle and lid the bull stick rotates with the valve body through the round pin axle and links to each other, the below of bull stick passes through the bolt and links to each other with the lid is fixed, the inner wall of lid has cup jointed sealed the pad, the below outer wall of lid is laminated with the outer wall of ball sealer mutually. This quick-closing swing valve, can not make its jam, the leakproofness of valve body has been guaranteed, it easily causes the object of circulation to block up to have solved this valve body structure in a jumble, and sealed effect is not good, easily cause the problem of leakage, make the lid quick-closing, when assaulting fiercely gas-liquid flow through the valve body, the baffle of both sides plays the effect to the gas-liquid buffering, prevent that the gas-liquid from directly contacting in the valve body inner chamber, this swing valve has been solved, still closing speed is slow, and single structure, long-time use is because during the too much gas-liquid circulation of external pressure, can cause the fracture of valve body inner wall, make the brief problem of life.

Description

Quick-closing swing valve

Technical Field

The utility model relates to a swing valve technical field specifically is a quick closing swing valve.

Background

The check valve is called as an automatic valve, and is mainly used on a pipeline in which a medium flows in one direction only and is allowed to flow in one direction so as to prevent accidents. The valve of this type should be generally installed horizontally in the pipeline.

For example, patent No. 200720128245.8, a quick-closing swing valve, by the valve body, the valve gap, swing the valve plate, support the pivot with the valve body, connect hand wheel and the rocker with the pivot, connect and constitute in the connecting rod of rocker and the spacing fender of rocker, its characterized in that valve body is equipped with the disk seat that the groove is 40 degrees-60 degrees with valve body axis crossing angle, the connecting rod tip is equipped with the spacing fender that acts on the rocker that makes the valve plate be the stable open state, although this swing valve can realize closing the swing valve, this valve body structure is mixed and disorderly easily causes the object jam of circulation, and sealed effect is not good, easily cause the problem of leakage, this swing valve simultaneously, still close the speed slow, and simple structure, long-time use can cause the fracture of valve body inner wall when short too much gas-liquid circulation of external pressure, make life's problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick-closing swing valve to solve the mixed and disorderly object that easily causes the circulation of this valve body structure that provides in the above-mentioned background art and block up, and sealed effect is not good, easily causes the problem of leakage.

In order to achieve the above object, the utility model provides a following technical scheme: a quick-closing swing valve comprises a valve body, wherein a sealing mechanism is arranged in the middle of the valve body;

the sealing mechanism comprises a rotating rod, a pin shaft, a cover body, a sealing gasket and a sealing ball;

the rotary rod is connected with the valve body in a rotating mode through a pin shaft, the lower portion of the rotary rod is fixedly connected with the cover body through a bolt, the inner wall of the cover body is sleeved with the sealing gasket, the outer wall of the lower portion of the cover body is attached to the outer wall of the sealing ball, and the bottom end of the sealing ball is fixedly connected to the inner wall of the bottom end of the left side of the valve body. The design enhances the sealing performance of the valve body.

Preferably, the diameter of the sealing ball is 2-3 cm. Preventing caulking and leakage of the valve body.

Preferably, the thickness of the sealing gasket is 3-5 cm. The sealing effect is better.

Preferably, an inlet is formed in the left side of the valve body, the outer wall of the right side of the inlet is tightly attached to the inner wall of the left side of the sealing gasket, and an outlet is formed in the right side of the valve body. And (5) working process of the valve body.

Preferably, a closing mechanism is arranged inside the upper portion of the left side of the valve body;

the closing mechanism comprises a first ejector rod, a first box body, a first spring and a clamping rod;

inner wall in the middle of the right side of first box is run through to the outer wall of first ejector pin, inner wall clearance fit in the middle of the outer wall of first ejector pin and the right side of first box, the upper left side inner wall at the valve body is cup jointed to the outer wall of first box, the left end of first ejector pin is laminated mutually with the right-hand member of first spring, the left end of first spring is laminated mutually with the left side inner wall of first box, the right side of first ejector pin is equipped with the kelly, the left end rigid coupling of kelly is at the top right-hand member of bull stick. The quick closing of the cover body is realized.

Preferably, the upper side and the lower side of the interior of the valve body are both provided with hammer-proof mechanisms;

the anti-hammer mechanism comprises a second ejector rod, a rubber pad, a second box body, a second spring, a baffle and a sliding groove;

top the outer wall of second ejector pin runs through the middle inner wall of rubber pad and the middle inner wall in the below of second box in proper order, the outer wall of second ejector pin is laminated with the middle inner wall of rubber pad mutually, the outer wall of second ejector pin and the inner wall clearance fit of second box, the inner wall rigid coupling of rubber pad is at the middle inner wall in the below of second box, the outer wall rigid coupling of second box is at the left side top inner wall of valve body, the top of second ejector pin is laminated with the bottom of second spring mutually, the top of second spring is laminated with the top inner wall of second box mutually, the below inner wall clearance fit of second ejector pin has the baffle, baffle and spout slip joint, the spout is seted up at the left side top inner wall of valve body. Prevent the valve body from cracking and reduce the service life.

Preferably, the second ejector rod, the baffle plate and the sliding groove are symmetrically distributed in the upper side and the lower side by taking the central line of the inlet as the center. The gas-liquid buffer valve has a buffer effect on gas-liquid entering the valve body and prevents the gas-liquid from directly contacting the inner cavity of the valve body.

Preferably, the baffle and the chute form a sliding structure. The sliding groove prevents the baffle from derailing.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the quick-closing swing valve has the following advantages:

through the cooperation between bull stick, round pin axle, lid, sealed pad and the sealed ball, do not install other structures on the lid, make the valve body access & exit keep unobstructed, can not make its jam, the sealed ball can block the lid, prevents its caulking, has guaranteed the leakproofness of valve body, has solved the mixed and disorderly object that easily causes the circulation of this valve body structure and has blockked up, and sealed effect is not good, easily causes the problem of leaking.

Through the bull stick, the lid, the round pin axle, first ejector pin, first box, first spring, the kelly, the second ejector pin, the rubber pad, the second box, the second spring, cooperation between baffle and the spout, when the bull stick drives the lid and opens, the bull stick drives the kelly anticlockwise rotation and gives first ejector pin anticlockwise power, first ejector pin extrudees first spring, and make first ejector pin reset fast through the elasticity of first spring, and make the lid close fast, when assaulting the violent gas-liquid flow through the valve body, the baffle of both sides plays the effect to the gas-liquid buffering, prevent that the gas-liquid from directly contacting in the valve body inner chamber, this swing valve has been solved, still closing speed is slow, and single structure, long-time use is because during the too much gas-liquid circulation of external pressure, can cause the fracture of valve body inner wall, make life's problem.

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

FIG. 2 is a schematic diagram of the structure of the cover, gasket and sealing ball of FIG. 1;

FIG. 3 is a schematic structural view of the baffle, the second push rod and the chute in FIG. 1;

fig. 4 is a schematic structural view of the first carrier rod, the box body and the first spring in fig. 1.

In the figure: 1. the sealing device comprises a valve body, 2, an inlet, 3, an outlet, 4, a sealing mechanism, 401, a rotating rod, 402, a pin shaft, 403, a cover body, 404, a sealing gasket, 405, a sealing ball, 5, a closing mechanism, 501, a first ejector rod, 502, a first box body, 503, a first spring, 504, a clamping rod, 6, an anti-hammer mechanism, 601, a second ejector rod, 602, a rubber gasket, 603, a second box body, 604, a second spring, 605, a baffle, 606 and a sliding 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.

Referring to fig. 1-4, the present invention provides a technical solution: a quick-closing swing valve comprises a valve body 1, a sealing mechanism 4 is installed in the middle of the valve body 1, the sealing mechanism 4 comprises a rotating rod 401, a pin shaft 402, a cover body 403, a sealing gasket 404 and a sealing ball 405, the rotating rod 401 is rotatably connected with the valve body 1 through the pin shaft 402, the rotating rod 401 rotates in the valve body 1 through the pin shaft 402, the lower portion of the rotating rod 401 is fixedly connected with the cover body 403 through a bolt, the rotating rod 401 drives the cover body 403 to rotate, so that the valve body 1 is closed and opened, the sealing gasket 404 is sleeved on the inner wall of the cover body 403, the cover body 403 supports the sealing gasket 404, the sealing gasket 403 is made of fluororubber, the outer wall of the lower portion of the cover body 403 is attached to the outer wall of the sealing ball 405, the sealing ball 405 enhances the sealing performance of the cover body 403 to prevent caulking, the sealing ball 405 is made of the fluororubber, the bottom end of the sealing ball 405 is fixedly, the sealing ball 405 has elasticity, the diameter of the sealing ball 405 is 2-3cm, and the thickness of the sealing gasket 404 is 3-5 cm.

Import 2 has been seted up in the left side of valve body 1, and the gas-liquid gets into through import 2, and the right side outer wall of import 2 closely laminates with the left side inner wall of sealed pad 404, and sealed pad 404 seals import 2, and export 3 has been seted up on the right side of valve body 1, and the gas-liquid is discharged through export 3.

A closing mechanism 5 is arranged inside the upper left side of the valve body 1, the closing mechanism 5 comprises a first ejector rod 501, a first box body 502, a first spring 503 and a clamping rod 504, the outer wall of the first ejector rod 501 penetrates through the middle inner wall of the right side of the first box body 502, the outer wall of the first ejector rod 501 is in clearance fit with the middle inner wall of the right side of the first box body 502, the first ejector rod 501 moves left and right in the first box body 502, the outer wall of the first box body 502 is sleeved on the upper left inner wall of the valve body 1, the valve body 1 supports the first box body 502, the left end of the first ejector rod 501 is attached to the right end of the first spring 503, the first ejector rod 501 is forced to extrude the first spring 503, the first ejector rod 501 is enabled to reset rapidly through the elasticity of the first spring 503, the valve body 1 is closed rapidly by the cover body 403, the left end of the first spring 503 is attached to the left inner wall of the first box body 502, the first, the right side of the first top rod 501 is provided with a clamping rod 504, the left end of the clamping rod 504 is fixedly connected to the right end above the rotating rod 401, and the rotating rod 401 drives the clamping rod 504 to rotate.

The upper side and the lower side of the interior of the valve body 1 are respectively provided with an anti-hammer mechanism 6, the anti-hammer mechanism 6 comprises a second ejector rod 601, a rubber pad 602, a second box body 603, a second spring 604, a baffle 605 and a sliding groove 606, the outer wall of the upper second ejector rod 601 sequentially penetrates through the middle inner wall of the rubber pad 602 and the middle inner wall below the second box body 603, the outer wall of the second ejector rod 601 is attached to the middle inner wall of the rubber pad 602, the outer wall of the second ejector rod 601 is in clearance fit with the inner wall of the second box body 603, the second ejector rod 601 moves up and down in the rubber pad 602 and the second box body 603, the rubber pad 602 seals the gap between the second box body 603 and the second ejector rod 601, the inner wall of the rubber pad 602 is fixedly connected to the middle inner wall below the second box body 603, the second box body 603 supports the rubber pad 602, the outer wall of the second box body 603 is fixedly connected to the, the top end of the second top rod 601 is attached to the bottom end of the second spring 604, the second top rod 601 applies force to the second spring 604 outwards, the second top rod 601 is reset through elasticity of the second spring 604, the top end of the second spring 604 is attached to the inner wall of the top end of the second box body 603, the second box body 603 limits the second spring 604, a baffle 605 is in clearance fit with the inner wall of the lower portion of the second top rod 601, the baffle 605 moves left and right in the second top rod 601, the baffle 605 is in sliding clamping connection with the sliding groove 606, the sliding groove 606 prevents the baffle 605 from derailing, the sliding groove 606 is formed in the upper inner wall of the left side of the valve body 1, the second top rod 601, the baffle 605 and the sliding groove 606 are symmetrically distributed in the upper and lower sides by taking the center line of the inlet 2 as the center, the baffle 605 and the sliding groove 606 form a sliding structure.

When the quick-closing rotary-opening valve is used, firstly, external gas and liquid enters the valve body 1 through the inlet 2, the external gas and liquid gives a rightward force to the baffle plates 605 at two sides, the baffle plates 605 slide rightwards in the sliding grooves 606, the baffle plates 605 move rightwards in the second ejector rods 601, the second ejector rods 601 move outwards to extrude the second springs 604, the two baffle plates 605 play a buffering effect on the valve body 1, the gas and liquid pressure is prevented from being overlarge and directly contacting with an inner cavity of the valve body 1, the baffle plates are prevented from being broken, when the external gas and liquid is suddenly powered off or the valve is closed too fast, the baffle plates 605 are reset through the elasticity of the second springs 604, the force generated by the inertia of the pressure gas and liquid and impact waves back and forth is prevented from being sometimes large, so that the valve is damaged, the cover body 403 is opened, the gas and liquid are discharged through the outlet 3, the cover body 403 enables the rotating rod 401 to rotate anticlockwise on the valve body, the first top rod 501 extrudes the first spring 503, and the first top rod 501 drives the clamping rod 504 to reset rapidly through the elasticity of the first spring 503, so that the rotating rod 401 drives the cover body 403 to reset rapidly to close the valve body 1, and at this time, the cover body 403 is blocked by the sealing ball 405 to prevent caulking and gas-liquid leakage.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A quick-closing swing valve comprises a valve body (1), and is characterized in that: a sealing mechanism (4) is arranged in the middle of the valve body (1);

the sealing mechanism (4) comprises a rotating rod (401), a pin shaft (402), a cover body (403), a sealing gasket (404) and a sealing ball (405);

the rotary rod (401) is connected with the valve body (1) in a rotating mode through a pin shaft (402), the lower portion of the rotary rod (401) is fixedly connected with the cover body (403) through a bolt, a sealing gasket (404) is sleeved on the inner wall of the cover body (403), the outer wall of the lower portion of the cover body (403) is attached to the outer wall of a sealing ball (405), and the bottom end of the sealing ball (405) is fixedly connected to the inner wall of the bottom end of the left side of the valve body (1).

2. A rapid-closing swing valve according to claim 1 further comprising: the diameter of the sealing ball (405) is 2-3 cm.

3. A rapid-closing swing valve according to claim 1 further comprising: the thickness of the sealing gasket (404) is 3-5 cm.

4. A rapid-closing swing valve according to claim 1 further comprising: import (2) have been seted up in the left side of valve body (1), the right side outer wall of import (2) closely laminates with the left side inner wall of sealed pad (404), export (3) have been seted up on the right side of valve body (1).

5. A rapid-closing swing valve according to claim 1 further comprising: a closing mechanism (5) is arranged inside the upper part of the left side of the valve body (1);

the closing mechanism (5) comprises a first ejector rod (501), a first box body (502), a first spring (503) and a clamping rod (504);

inner wall in the middle of the right side of first box (502) is run through to the outer wall of first ejector pin (501), inner wall clearance fit in the middle of the outer wall of first ejector pin (501) and the right side of first box (502), the upper left side inner wall of valve body (1) is cup jointed to the outer wall of first box (502), the left end of first ejector pin (501) is laminated with the right-hand member of first spring (503) mutually, the left end of first spring (503) is laminated with the left side inner wall of first box (502) mutually, the right side of first ejector pin (501) is equipped with kelly (504), the left end rigid coupling of kelly (504) is at the top right-hand member of bull stick (401).

6. A rapid-closing swing valve according to claim 1 further comprising: the upper side and the lower side of the interior of the valve body (1) are provided with hammer-proof mechanisms (6);

the hammer prevention mechanism (6) comprises a second ejector rod (601), a rubber pad (602), a second box body (603), a second spring (604), a baffle plate (605) and a sliding groove (606);

the outer wall of the second top rod (601) above sequentially penetrates through the middle inner wall of the rubber pad (602) and the middle inner wall below the second box body (603), the outer wall of the second top rod (601) is attached to the middle inner wall of the rubber pad (602), the outer wall of the second top rod (601) is in clearance fit with the inner wall of the second box body (603), the inner wall of the rubber pad (602) is fixedly connected to the middle inner wall below the second box body (603), the outer wall of the second box body (603) is fixedly connected to the upper inner wall on the left side of the valve body (1), the top end of the second top rod (601) is attached to the bottom end of the second spring (604), the top end of the second spring (604) is attached to the inner wall on the top end of the second box body (603), a baffle (605) is in clearance fit with the inner wall below the second top rod (601), and the baffle (605) is in sliding clamping connection with the sliding groove (606), the sliding groove (606) is formed in the inner wall of the upper portion of the left side of the valve body (1).

7. A rapid-closing swing valve according to claim 6 wherein: the second ejector rod (601), the baffle (605) and the sliding groove (606) are symmetrically distributed up and down by taking the central line of the inlet (2) as the center.

8. A rapid-closing swing valve according to claim 6 wherein: the baffle (605) and the sliding groove (606) form a sliding structure.