CN220930243U - Self-pressure-relief type soft sealing ball valve - Google Patents

Self-pressure-relief type soft sealing ball valve Download PDF

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Publication number
CN220930243U
CN220930243U CN202322713393.8U CN202322713393U CN220930243U CN 220930243 U CN220930243 U CN 220930243U CN 202322713393 U CN202322713393 U CN 202322713393U CN 220930243 U CN220930243 U CN 220930243U
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wall
pipe
connecting pipe
valve body
ball valve
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CN202322713393.8U
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Chinese (zh)
Inventor
程建泽
邵冬勇
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Kangyi Valve Technology Wenzhou Co ltd
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Kangyi Valve Technology Wenzhou Co ltd
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Abstract

The utility model discloses a self-pressure-relief type soft sealing ball valve, which relates to the field of ball sealing valves and comprises a main valve body, wherein the side wall of the main valve body is communicated with a connecting mechanism, and the bottom end of the main valve body is communicated with a pressure relief mechanism; the connecting mechanism comprises a connecting pipe, the outer wall of the connecting pipe is in threaded connection with a threaded sleeve extending to the inside of the connecting pipe, and the inner wall of the threaded sleeve is fixedly connected with a conical sleeve positioned in the connecting pipe. According to the utility model, the pipe fixed with the joint is inserted into the connecting pipe, so that when the ball valve is installed, the pipe is wrapped by the rubber sleeve, then the rotating rod is rotated to limit the structure by rotating the threaded sleeve, the rubber sleeve is tightly attached to the outside of the pipe, and the sealing between the pipe and the valve body is realized, so that when the valve body and the pipe are installed and connected, the valve body can be quickly and efficiently installed, and when the valve body is disassembled and maintained, the valve body and the pipe can be quickly disconnected.

Description

Self-pressure-relief type soft sealing ball valve
Technical Field
The utility model relates to the field of ball sealing valves, in particular to a self-pressure release type soft sealing ball valve.
Background
The valve is driven by the valve rod and rotates around the axis of the valve, and can also be used for regulating and controlling fluid, wherein the hard seal V-shaped valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like, and the multi-way valve can flexibly control the confluence, the diversion and the flow direction switching of the mediums on a pipeline, and simultaneously can also close any channel to connect the other two channels.
If the internal pressure of the existing soft sealing ball valve is too large in the use process, the sealing element in the ball valve is damaged, so that the ball valve loses the sealing property, and serious property loss is caused.
The self-pressure-relief type soft sealing ball valve comprises a ball core, a valve seat and a valve body, wherein an annular boss is arranged between the tail end of the valve seat and the front end of the valve seat, the outer diameter of the tail end of the valve seat is smaller than that of the annular boss, and the outer diameter of the annular boss is smaller than that of the front end of the valve seat; the valve body is provided with a first accommodating groove for accommodating the elastic component; the outer peripheral surface of the annular boss is provided with a second accommodating groove, and an O-shaped ring retainer ring are arranged in the second accommodating groove; the valve body is provided with a grease injection hole, the valve seat is provided with a grease injection flow passage, the grease injection hole is communicated with the grease injection flow passage, one end of the grease injection flow passage is terminated inside the valve seat, and the other end of the grease injection flow passage penetrates through the end face of the valve seat, which is directed towards the ball core. The self-pressure-relief soft sealing ball valve realizes the self-pressure-relief function of the valve seat by controlling the stress area difference of the valve seat, and when the pressure of the cavity of the valve abnormally rises, the pressure of the cavity reversely pushes the valve seat, the pre-tightening spring is compressed to enable the sealing surface of the valve seat to be separated from the ball core, the pressure of the cavity is released, and the service life of the ball valve is prolonged.
However, the above technical scheme still has certain deficiency, and is existing in the use, and when the ball valve in prior art scheme is being connected with the pipeline, still need be connected through ring flange and bolt, lead to when connecting pipeline and ball valve, need rotate multiunit bolt to need consume a large amount of time when making to install and dismantle the maintenance to the ball valve, work efficiency reduces, can't realize the efficient installation ball valve and dismantle the maintenance to the ball valve.
Disclosure of utility model
Based on the above, the utility model aims to provide a self-pressure-relief type soft sealing ball valve, so as to solve the technical problems that a great deal of time is required to be consumed when the ball valve is installed, disassembled and maintained, the working efficiency is reduced, and the ball valve cannot be efficiently installed and the ball valve is disassembled and maintained.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-pressure-relief type soft sealing ball valve comprises a main valve body, wherein the side wall of the main valve body is communicated with a connecting mechanism, and the bottom end of the main valve body is communicated with a pressure relief mechanism;
the connecting mechanism comprises a connecting pipe, wherein a thread bush extending to the inside of the connecting pipe is connected with the outer wall of the connecting pipe in a threaded manner, a conical bush positioned in the connecting pipe is fixedly connected with the inner wall of the thread bush, a rubber bush is fixedly connected with the inner wall of the connecting pipe, and the inner wall of the conical bush is abutted to the outer wall of the rubber bush.
As the preferred technical scheme of the self-pressure-relief type soft sealing ball valve, the inner wall of the connecting pipe is slidably connected with two groups of ejector rods, the two groups of ejector rods are abutted against the side wall of the threaded sleeve, the inner wall of the connecting pipe is hinged with two groups of rotating rods, and torsion springs are arranged at the joints of the two groups of rotating rods and the connecting pipe.
As a preferred technical scheme of the self-pressure-relief type soft sealing ball valve, the inner wall of the rubber sleeve is sleeved with a pipeline extending to the outside of the connecting pipe, one end of the pipeline positioned in the connecting pipe is communicated with a joint, and the outer wall of the joint is provided with a groove.
As a preferred technical scheme of the self-pressure-relief type soft sealing ball valve, the pressure relief mechanism comprises a pressure relief pipe, wherein a baffle is fixedly connected to the inner wall of the pressure relief pipe, and a sealing ring is slidably connected to the inner wall of the pressure relief pipe.
As a preferred technical scheme of the self-pressure-relief type soft sealing ball valve, a sealing gasket is fixedly sleeved on the outer wall of the baffle.
As the preferred technical scheme of the self-pressure-relief type soft sealing ball valve, the bottom end of the sealing ring is fixedly connected with one end of the return spring, and the other end of the return spring is fixedly connected with the bottom end of the inner wall of the pressure relief pipe.
As a preferred technical scheme of the self-pressure-relief type soft sealing ball valve, the bottom end of the pressure relief pipe is provided with a pressure relief hole.
In summary, the utility model has the following advantages:
1. According to the utility model, the pipe with the joint fixed is inserted into the connecting pipe, so that when the ball valve is installed, the pipe is wrapped by the rubber sleeve, then the rotating rod is rotated to limit the structure by rotating the threaded sleeve, the rubber sleeve is tightly attached to the outside of the pipe, and the sealing between the pipe and the valve body is realized, so that when the valve body and the pipe are installed and connected, the valve body can be quickly and efficiently installed, and when the valve body is disassembled and maintained, the valve body and the pipe can be quickly disconnected;
2. According to the utility model, when the pressure in the valve body is overlarge, the pressure in the valve body pushes the sealing ring, so that the sealing ring compresses the return spring, high-pressure fluid in the valve body enters the pressure relief pipe through a gap between the baffle and the pressure relief pipe and is discharged from the pressure relief hole at the bottom end of the pressure relief pipe, and the damage to the valve core caused by the overlarge pressure in the valve body is prevented.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of a connecting mechanism according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a pressure relief mechanism according to the present utility model;
fig. 4 is a schematic cross-sectional view of a thread bush according to the present utility model.
In the figure: 1. a main valve body; 2. a connecting mechanism; 3. a pressure release mechanism;
201. A connecting pipe; 202. a thread sleeve; 203. a rubber sleeve; 204. a conical sleeve; 205. a rotating rod; 206. a push rod; 207. a pipe; 208. a joint;
301. A pressure relief tube; 302. a baffle; 303. a seal ring; 304. a sealing gasket; 305. and a return spring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
1-4, The self-pressure-relief type soft sealing ball valve comprises a main valve body 1, wherein the side wall of the main valve body 1 is communicated with a connecting mechanism 2, and the bottom end of the main valve body 1 is communicated with a pressure relief mechanism 3;
The connecting mechanism 2 comprises a connecting pipe 201, the outer wall of the connecting pipe 201 is in threaded connection with a threaded sleeve 202 extending to the inside of the connecting pipe 201, the inner wall of the threaded sleeve 202 is fixedly connected with a conical sleeve 204 positioned in the connecting pipe, the inner wall of the connecting pipe 201 is fixedly connected with a rubber sleeve 203, the inner wall of the conical sleeve 204 is abutted against the outer wall of the rubber sleeve 203, the inner wall of the connecting pipe 201 is in sliding connection with two groups of ejector rods 206, the abutting joint of the two groups of ejector rods 206 is arranged on the side wall of the threaded sleeve 202, the inner wall of the connecting pipe 201 is hinged with two groups of rotating rods 205, a torsion spring is arranged at the joint of the two groups of rotating rods 205 and the connecting pipe 201, a pipeline 207 extending to the outside of the connecting pipe 201 is sleeved on the inner wall of the rubber sleeve 203, one end of the pipeline 207 positioned in the connecting pipe 201 is communicated with a joint 208, and the outer wall of the joint 208 is provided with a groove.
Through when installing the ball valve, insert the pipe 207 that is fixed with joint 208 inside connecting pipe 201 for rubber sleeve 203 cover is established in the outside of guangdm, then rotate thread bush 202, make thread bush 202 drive toper cover 204 and remove, make toper cover 204 push against rubber sleeve 203 and pipe 207 closely laminating, and when rotating thread bush 202, thread bush 202 promotes ejector pin 206 and slides, make ejector pin 206 promote bull stick 205 rotate and torsion torsional spring, thereby make the terminal butt of bull stick 205 connect the recess inside of 208 lateral wall, make joint 208 blocked by bull stick 205 and can't roll out connecting pipe 201, when the valve body needs to be dismantled, through reverse rotation thread bush 202, make thread bush 202 not promote ejector pin 206, at this moment torsional spring drive bull stick 205 reset, make joint 208 not being spacing by bull stick 205, then can pull out pipeline 207 intercommunication joint 208 from connecting pipe 201 inside the realization dismantlement valve body.
Referring to fig. 1-4, the pressure release mechanism 3 includes a pressure release tube 301, a baffle plate 302 is fixedly connected to an inner wall of the pressure release tube 301, a sealing ring 303 is slidably connected to an inner wall of the pressure release tube 301, a sealing gasket 304 is fixedly sleeved on an outer wall of the baffle plate 302, one end of a return spring 305 is fixedly connected to a bottom end of the sealing ring 303, the other end of the return spring 305 is fixedly connected to the bottom end of the inner wall of the pressure release tube 301, and a pressure release hole is formed in the bottom end of the pressure release tube 301.
When the internal pressure of the valve body is overlarge, fluid in the valve body pushes the sealing ring 303 to slide downwards in the pressure relief pipe 301, so that the sealing ring 303 is not in contact with the baffle plate 302 and the sealing gasket 304, and the return spring 305 is compressed in the sliding process of the sealing ring 303, at the moment, the fluid in the valve body flows through overhauling between the baffle plate 302 and the valve body, after entering the pressure relief pipe 301, the fluid passes through the sealing ring and is discharged from the pressure relief hole at the bottom end of the pressure relief pipe 301, so that the pressure in the valve body is released, after the internal pressure of the valve body is restored to be normal, the return spring 305 pushes the sealing ring 303 to return, so that the sealing ring 303 is sleeved on the outer wall of the baffle plate 302, and at the moment, the top end of the sealing ring 303 is attached to the bottom end of the sealing gasket 304, so that the fluid in the valve body cannot enter the pressure relief pipe 301.
During use, the pipe 207 fixed with the joint 208 is inserted into the connecting pipe 201, so that when the ball valve is installed, the pipe 207 is wrapped by the rubber sleeve 203, then the rotating rod 205 is enabled to rotate to limit the structure by rotating the threaded sleeve 202, the rubber sleeve 203 is tightly attached to the outside of the pipe 207, sealing between the pipe 207 and the valve body is achieved, and therefore rapid and efficient installation can be achieved when the valve body and the pipe 207 are installed and connected, and the valve body and the pipe 207 can be rapidly disconnected when the valve body is detached and maintained.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The utility model provides a from soft sealed ball valve of pressure release formula, includes main valve body (1), its characterized in that: the side wall of the main valve body (1) is communicated with a connecting mechanism (2), and the bottom end of the main valve body (1) is communicated with a pressure release mechanism (3);
Coupling mechanism (2) are including connecting pipe (201), the outer wall threaded connection of connecting pipe (201) has screw thread cover (202) that extend to connecting pipe (201) inside, the inner wall fixedly connected with of screw thread cover (202) is located the inside toper cover (204) of connecting pipe, the inner wall fixedly connected with rubber cover (203) of connecting pipe (201), the inner wall butt of toper cover (204) is at the outer wall of rubber cover (203).
2. The self-venting soft seal ball valve of claim 1, wherein: the inner wall sliding connection of connecting pipe (201) has two sets of ejector pins (206), and two sets of the butt of ejector pins (206) is at the lateral wall of thread bush (202), the inner wall of connecting pipe (201) articulates has two sets of bull stick (205), two sets of bull stick (205) are provided with the torsional spring in the junction with connecting pipe (201).
3. The self-venting soft seal ball valve of claim 1, wherein: the inner wall of the rubber sleeve (203) is sleeved with a pipeline (207) extending to the outside of the connecting pipe (201), one end of the pipeline (207) positioned in the connecting pipe (201) is communicated with a joint (208), and the outer wall of the joint (208) is provided with a groove.
4. The self-venting soft seal ball valve of claim 1, wherein: the pressure relief mechanism (3) comprises a pressure relief pipe (301), wherein a baffle (302) is fixedly connected to the inner wall of the pressure relief pipe, and a sealing ring (303) is slidably connected to the inner wall of the pressure relief pipe (301).
5. The self-venting soft seal ball valve of claim 4, wherein: the outer wall of the baffle plate (302) is fixedly sleeved with a sealing gasket (304).
6. The self-venting soft seal ball valve of claim 4, wherein: one end of a reset spring (305) is fixedly connected to the bottom end of the sealing ring (303), and the other end of the reset spring (305) is fixedly connected to the bottom end of the inner wall of the pressure relief pipe (301).
7. The self-venting soft seal ball valve of claim 4, wherein: the bottom end of the pressure relief pipe (301) is provided with a pressure relief hole.
CN202322713393.8U 2023-10-10 2023-10-10 Self-pressure-relief type soft sealing ball valve Active CN220930243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322713393.8U CN220930243U (en) 2023-10-10 2023-10-10 Self-pressure-relief type soft sealing ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322713393.8U CN220930243U (en) 2023-10-10 2023-10-10 Self-pressure-relief type soft sealing ball valve

Publications (1)

Publication Number Publication Date
CN220930243U true CN220930243U (en) 2024-05-10

Family

ID=90934013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322713393.8U Active CN220930243U (en) 2023-10-10 2023-10-10 Self-pressure-relief type soft sealing ball valve

Country Status (1)

Country Link
CN (1) CN220930243U (en)

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