CN218845145U

CN218845145U - Explosion-proof balanced valve

Info

Publication number: CN218845145U
Application number: CN202223160196.XU
Authority: CN
Inventors: 袁礼波
Original assignee: Zhejiang Remote Technology Valve Co ltd
Current assignee: Zhejiang Remote Technology Valve Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-11
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a balanced valve technical field discloses an explosion-proof balanced valve, including body mechanism, body mechanism includes the valve body, the valve body both sides are the fixed mounting flange that is provided with all, two all the embedding of one side that mounting flange is opposite is provided with the rubber circle, the fixed first flange that is provided with in valve body upper end, the fixed control mechanism that is provided with in first flange upper end, control mechanism includes the transfer line, the embedding of valve body upper end one side is provided with explosion-proof mechanism, explosion-proof mechanism is including the pressure release frame. The utility model discloses in, can push down the pressure plate through the powerful spring assembly that inside set up, keep the closure in the valve, when valve body internal pressure was too big, powerful spring assembly can be oppressed the shrink for the pressure plate rises, and final inside pressure obtains releasing through the pressure release mouth, has avoided the valve body to be propped and has exploded, and at the in-process of installing this balanced valve, the locking ring can tightly contract to the transfer line, has improved the inside leakproofness of valve body greatly.

Description

Explosion-proof balanced valve

Technical Field

The utility model relates to a balanced valve technical field especially relates to an explosion-proof balanced valve.

Background

The balance valve is a valve with special function, and the valve itself has no special character, and only has difference in use function and place, in some industries, because the medium has larger pressure difference or flow difference in each part of the pipeline or container, in order to reduce or balance the difference, the valve is arranged between the corresponding pipelines or containers, and is used for adjusting the relative balance of the pressures at two sides.

Through retrieval, the prior patent (publication number: CN 208816712U) discloses a digital locking balance valve with high sealing performance, which comprises a valve cover and a valve body, wherein a digital display locking part is fixedly arranged at the top of the valve cover, a valve rod is movably arranged in the valve cover through threads, a hand wheel is fixedly arranged at the top of the valve rod, a valve plug is fixedly arranged at the bottom of the valve rod, and a sealing ring matched with the valve rod is fixedly arranged at the middle position of the bottom of the inner side of the valve cover. The above-mentioned comparative patents have the following problems: 1. a device for automatically releasing pressure is not arranged in the valve body, and when the internal pressure is overlarge, the valve body cannot be supported and explodes; 2. the interior of the valve body is directly contacted with the medium, so that the valve body is easily corroded by the medium, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the explosion-proof balanced valve that proposes can push down the pressure plate through the powerful spring group that inside set up, keeps the closure in the valve, and when valve body internal pressure was too big, powerful spring group can be oppressed the shrink for the pressure plate rises, and final inside pressure obtains the release through the pressure release mouth, has avoided the valve body to be propped and has exploded.

In order to achieve the above purpose, the utility model provides a following technical scheme: an explosion-proof balance valve comprises a body mechanism, wherein the body mechanism comprises a valve body, mounting flanges are fixedly arranged on two sides of the valve body, and rubber rings are embedded into the opposite sides of the two mounting flanges;

a first connecting flange is fixedly arranged at the upper end of the valve body, a control mechanism is fixedly arranged at the upper end of the first connecting flange, the control mechanism comprises a transmission rod, an explosion-proof mechanism is embedded into one side of the upper end of the valve body, and the explosion-proof mechanism comprises a pressure relief frame;

through above-mentioned technical scheme, on control pipeline was installed to the mounting flange on this balanced valve accessible both sides, through the inside piston removal of control mechanism control to the pressure on control both sides, and be provided with explosion-proof mechanism in the inside of valve body, when the pressure on one side of balanced valve was too big, explosion-proof mechanism can be forced to open, thereby reduces too high pressure, has improved explosion-proof performance.

Furthermore, the inner surface of the valve body is provided with an anti-corrosion paint which is an epoxy resin paint;

through above-mentioned technical scheme, epoxy's nature is stable, spouts behind the valve body is inside, has improved the life of valve body greatly.

Furthermore, a waterproof ring is fixedly sleeved in the first connecting flange, and a lubricating valve is embedded in one side of the first connecting flange;

through above-mentioned technical scheme, waterproof circle has improved the leakproofness between first flange and the second flange to lubricated valve can improve the smoothness nature that inside transfer line removed in inside.

Furthermore, a hand wheel is fixedly arranged at the upper end of the transmission rod, a piston is fixedly arranged at the lower end of the transmission rod, and a second connecting flange is slidably sleeved on the rod body of the transmission rod;

through the technical scheme, the hand wheel is rotated to drive the piston below to move, so that the pressure on two sides is changed.

Furthermore, a pushing ring is fixedly sleeved in the second connecting flange in a fixed sleeve manner, a locking ring is movably sleeved in the pushing ring, and a threaded cylinder is fixedly arranged at the upper end of the second connecting flange;

through above-mentioned technical scheme, the setting of transfer line screw thread is in the inside of screw thread section of thick bamboo for the transfer line can reciprocate, and at the in-process of installation second flange, can push the ring and push down, thereby makes the locking ring.

Furthermore, a pressure plate is arranged in the pressure relief frame in a sliding mode, a lifting rod is fixedly arranged in the middle of the upper end of the pressure plate, and the lifting rod penetrates through the middle of the upper end of the pressure relief frame;

through the technical scheme, the pressure plate can move up and down along with the lifting rod.

Furthermore, a plurality of pressure relief ports are formed in the upper end of the pressure relief frame body, close to the upper end, in a penetrating manner, a strong spring set is fixedly arranged at the upper end of the pressure plate, and the upper end of the strong spring set is fixedly connected to the lower end of the inner surface of the pressure relief frame;

through above-mentioned technical scheme for accessible powerful spring assembly will push down the pressure plate under the pressure normal condition, and when pressure was too big, the spring shrink for the pressure plate rises, and internal pressure passes through the release of pressure release mouth simultaneously.

The utility model discloses following beneficial effect has:

1. the utility model provides an explosion-proof balance valve, this balance valve is provided with explosion-proof mechanism in that the valve body is inside, the pressure plate of its inside setting is when balance valve internal pressure is normal, push down it through powerful spring assembly, keep the closure in the valve, when valve body internal pressure is too big, powerful spring assembly can be by the oppression shrink, make the pressure plate rise simultaneously, final inside pressure obtains the release through the pressure release mouth, thereby prevented that the valve body from supporting and not living the production explosion, the explosion-proof performance has been improved.

2. The utility model provides a pair of explosion-proof balance valve, this balance valve is provided with propelling ring and locking ring in inside, installs the in-process at first flange with second flange, can push away the hoop and push down, and the in-process that pushes down makes the locking ring tightly contract to the transfer line to the inside leakproofness of valve body has been improved greatly.

3. The utility model provides a pair of explosion-proof balanced valve, this balanced valve have sprayed epoxy paint on the inner wall, have improved the corrosion resistance greatly, have prolonged the life of this balanced valve to waterproof circle of rubber has all been set up in mounting flange and first flange's inside, has further improved the leakproofness.

Drawings

Fig. 1 is a schematic axial view of an explosion-proof balance valve according to the present invention;

fig. 2 is a schematic front sectional view of an explosion-proof balance valve provided by the present invention;

fig. 3 is an enlarged view of a position a of the explosion-proof balance valve provided by the present invention;

fig. 4 is an enlarged view of the position B of the anti-explosion balance valve provided by the utility model.

Illustration of the drawings:

1. a body mechanism; 2. a rubber ring; 3. a control mechanism; 4. installing a flange; 5. an explosion-proof mechanism; 101. a valve body; 102. anticorrosive paint; 103. a first connecting flange; 104. a waterproof ring; 105. a lubrication valve; 301. a second connecting flange; 302. a threaded barrel; 303. a hand wheel; 304. a transmission rod; 305. a piston; 306. locking a ring; 307. a push ring; 501. a pressure plate; 502. a strong spring set; 503. a lifting rod; 504. a pressure relief frame; 505. a pressure relief port.

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 an embodiment: an explosion-proof balance valve comprises a body mechanism 1, wherein the body mechanism 1 comprises a valve body 101, mounting flanges 4 are fixedly arranged on two sides of the valve body 101, the balance valve can be mounted on a control pipeline through the mounting flanges 4 on the two sides, and rubber rings 2 are embedded in the opposite sides of the two mounting flanges 4, so that the sealing performance after mounting is improved;

the upper end of the valve body 101 is fixedly provided with a first connecting flange 103, the upper end of the first connecting flange 103 is fixedly provided with a control mechanism 3, the control mechanism 3 comprises a transmission rod 304, the transmission rod 304 can drive a piston 305 to move up and down so as to control internal circulation, one side of the upper end of the valve body 101 is embedded with an explosion-proof mechanism 5, and the explosion-proof mechanism 5 comprises a pressure relief frame 504;

this balanced valve accessible both sides mounting flange 4 install the control duct on, through the inside piston 305 removal of control mechanism 3 control to the pressure on control both sides, and be provided with explosion-proof mechanism 5 in the inside of valve body 101, when the pressure on one side of balanced valve was too big, explosion-proof mechanism 5 can be forced to open, thereby reduces too high pressure, has improved explosion-proof performance.

The inner surface of the valve body 101 is provided with the anti-corrosion paint 102, the anti-corrosion paint 102 is epoxy resin paint, the epoxy resin paint is stable in property, and after the anti-corrosion paint is sprayed inside the valve body 101, the service life of the valve body 101 is greatly prolonged.

The waterproof ring 104 is fixedly sleeved inside the first connecting flange 103, the lubricating valve 105 is embedded in one side of the first connecting flange 103, the waterproof ring 104 improves the sealing performance between the first connecting flange 103 and the second connecting flange 301, the lubricating valve 105 can improve the smoothness of the internal transmission rod 304 in the internal transmission, the upper end of the transmission rod 304 is fixedly provided with the hand wheel 303, the lower end of the transmission rod 304 is fixedly provided with the piston 305, the second connecting flange 301 is sleeved on the rod body of the transmission rod 304 in a sliding mode, and the hand wheel 303 is rotated to drive the piston 305 below to move, so that the pressure on two sides can be changed.

The pushing ring 307 is fixedly sleeved inside the second connecting flange 301, the locking ring 306 is movably sleeved inside the pushing ring 307, the threaded cylinder 302 is fixedly arranged at the upper end of the second connecting flange 301, the transmission rod 304 is arranged inside the threaded cylinder 302 in a threaded manner, so that the transmission rod 304 can move up and down, and in the process of mounting the second connecting flange 301, the pushing ring 307 is pressed down, so that the locking ring 306 is formed.

Pressure release frame 504 is inside to be slided and is provided with pressure plate 501, the fixed lifter 503 that is provided with in the middle of the pressure plate 501 upper end, lifter 503 runs through the middle department in the upper end of pressure release frame 504, make pressure plate 501 can follow lifter 503 and reciprocate, pressure release frame 504 frame body is run through by the upper end and has been seted up a plurality of pressure release mouths 505, the fixed powerful spring assembly 502 that is provided with in pressure plate 501 upper end, powerful spring assembly 502 upper end fixed connection is to pressure release frame 504 internal surface lower extreme, make pressure plate 501 will be pushed down to accessible powerful spring assembly 502 under the normal condition, when too big pressure, the spring shrink, make pressure plate 501 rise, internal pressure passes through pressure release mouth 505 release simultaneously.

The working principle is as follows: when the balance valve is used, firstly, the mounting flanges 4 on two sides are mounted on a control pipeline, then, pressure on two sides can be controlled, the handwheel 303 on the upper side is rotated, the piston 305 below the control moves up and down, the control can be completed, when the internal pressure of the valve body 101 is normal, the pressure plate 501 can be pressed down through the powerful spring group 502, the sealing property in the valve is maintained, when the internal pressure of the valve body 101 is overlarge, the powerful spring group 502 can be pressed and contracted, meanwhile, the pressure plate 501 is enabled to rise, and finally, the internal pressure of the valve body 101 can be released through the pressure relief port 505.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An explosion-proof balanced valve, includes body mechanism (1), its characterized in that: the body mechanism (1) comprises a valve body (101), mounting flanges (4) are fixedly arranged on two sides of the valve body (101), and rubber rings (2) are embedded into the opposite sides of the two mounting flanges (4);

the explosion-proof valve is characterized in that a first connecting flange (103) is fixedly arranged at the upper end of the valve body (101), a control mechanism (3) is fixedly arranged at the upper end of the first connecting flange (103), the control mechanism (3) comprises a transmission rod (304), an explosion-proof mechanism (5) is embedded into one side of the upper end of the valve body (101), and the explosion-proof mechanism (5) comprises a pressure relief frame (504).

2. An explosion proof balanced valve as defined in claim 1 wherein: the inner surface of the valve body (101) is provided with anti-corrosion paint (102), and the anti-corrosion paint (102) is epoxy resin paint.

3. An explosion proof balanced valve as defined in claim 1 wherein: the water-proof ring (104) is fixedly sleeved inside the first connecting flange (103), and a lubricating valve (105) is embedded into one side of the first connecting flange (103).

4. An explosion proof balanced valve as defined in claim 1 wherein: the fixed hand wheel (303) that is provided with in transfer line (304) upper end, the fixed piston (305) that is provided with in transfer line (304) lower extreme, sliding sleeve is equipped with second flange (301) on transfer line (304) pole body.

5. An explosion proof balanced valve as defined in claim 4 in which: the fixed cover in second flange (301) inside is provided with propelling ring (307), the inside movable sleeve of propelling ring (307) is equipped with locking ring (306), the fixed screw thread section of thick bamboo (302) that is provided with in second flange (301) upper end.

6. An explosion proof balanced valve as defined in claim 1 wherein: pressure release frame (504) inside slip is provided with pressure plate (501), fixed lifter (503) that is provided with in the middle of pressure plate (501) upper end, lifter (503) run through and hold through in the middle of pressure release frame (504) upper end, pressure release frame (504) frame body is leaned on the upper end to run through and has been seted up a plurality of pressure release mouths (505), pressure plate (501) upper end is fixed and is provided with powerful spring assembly (502), powerful spring assembly (502) upper end fixed connection is to pressure release frame (504) internal surface lower extreme.