CN217762115U

CN217762115U - Exhaust valve device of positive-pressure explosion-proof cabinet

Info

Publication number: CN217762115U
Application number: CN202121968033.7U
Authority: CN
Inventors: 陆超
Original assignee: Qidong Explosion Proof Electric Appliance Co ltd
Current assignee: Qidong Explosion Proof Electric Appliance Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-11-08
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of exhaust valve devices, and discloses an exhaust valve device of a positive pressure explosion-proof cabinet; the exhaust valve device of the positive pressure explosion-proof cabinet comprises a valve body and an exhaust mechanism, wherein the exhaust mechanism is positioned in an inner cavity of the valve body; the valve body includes the valve lower part, valve lower part bottom is provided with pressure boost membrane and push plate, valve lower part inner chamber is provided with pressure boost liquid, valve lower part top is provided with valve upper portion, valve upper portion inner chamber is provided with the carriage, the supporting shoe bottom is provided with the disc, the disc top is provided with the fixed block, the fixed block top is provided with the threaded rod, the threaded rod outer wall is provided with the closing plate, the threaded rod top is provided with the baffle, the utility model discloses a start carminative mode and exhaust, replace manual operation, practice thrift the cost of labor, save time, atmospheric pressure is exerted pressure to the pressure boost membrane, and the pressure boost membrane receives pressure extrusion push plate, and push plate rises and drives.

Description

Exhaust valve device of positive-pressure explosion-proof cabinet

Technical Field

The utility model belongs to the technical field of discharge valve device, specifically be a discharge valve device of malleation explosion-proof cabinet.

Background

The exhaust valve is applied to exhaust of pipelines such as an independent heating system, a central heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like.

The existing exhaust valve of the positive pressure explosion-proof cabinet has certain defects in use, firstly, the exhaust valve is inconvenient to automatically exhaust and still needs to be manually started, and meanwhile, the exhaust valve is inconvenient to exhaust due to the inconvenience in observing the air pressure in the explosion-proof cabinet in use; therefore, improvements are now needed in view of the current situation.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a discharge valve device of malleation explosion-proof cabinet, the effectual automatic exhaust of having solved is not convenient for still needs manual start discharge valve, simultaneously when using owing to be not convenient for observe explosion-proof cabinet internal gas pressure, is not convenient for carry out carminative problem.

In order to achieve the above object, the utility model provides a following technical scheme: the exhaust valve device of the positive-pressure explosion-proof cabinet comprises a valve body and an exhaust mechanism, wherein the exhaust mechanism is positioned in an inner cavity of the valve body;

the valve body comprises a valve lower part, a pressurizing film and a pushing plate are arranged at the bottom of the valve lower part, pressurizing liquid is arranged in an inner cavity of the valve lower part, a valve upper part is arranged at the top of the valve lower part, a supporting frame is arranged in an inner cavity of the valve upper part, and an exhaust net is arranged in an inner cavity of the supporting frame;

exhaust mechanism includes the supporting shoe, the supporting shoe bottom is provided with the disc, the disc right side is provided with the dead lever, the dead lever bottom is provided with the cursory, the supporting shoe right side is provided with the fixed disk, the disc top is provided with the fixed block, the fixed block top is provided with the threaded rod, the threaded rod outer wall is provided with the closing plate, the threaded rod top is provided with the baffle.

Preferably, the top of the supporting block is fixedly connected to the top of the inner cavity of the lower portion of the valve, and the right side of the fixed disc is fixedly connected to the top of the inner cavity of the lower portion of the valve.

Preferably, the diameter of the baffle plate is the same as that of the upper part of the valve, and the exhaust net is fixedly connected with the support frame.

Preferably, the lower portion of the valve and the back side of the upper portion of the valve are provided with evenly distributed flange buckles, and the pushing plate is connected with the inner side wall of the lower portion of the valve in a sliding mode.

Preferably, the threaded rod penetrates through the fixed disk and the exhaust net and is in rotating connection with the fixed disk and the exhaust net, and the sealing plate is located above the exhaust net.

Preferably, the sealing plate is fixedly connected with the threaded rod, and a rubber pad is arranged at the bottom of the sealing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the starting exhaust mode to exhaust, replaces manual operation, saves labor cost and time, increases practicability and is convenient to use;

the utility model discloses increase the explosion-proof cabinet internal gas pressure of accessible and control the exhaust, reach the threshold value when explosion-proof cabinet internal gas pressure, atmospheric pressure exerts pressure to the pressure boost membrane, and the pressure boost membrane receives pressure extrusion push plate, and the push plate rises and drives.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

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

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the exhaust net of the present invention;

in the figure: 1. a valve body; 2. an exhaust mechanism; 100. a valve lower portion; 101. an upper valve portion; 102. fastening a flange; 103. pressurizing liquid; 104. a push plate; 105. pressurizing the membrane; 200. a support block; 201. a disc; 202. fixing the rod; 203. floating; 204. a fixed block; 205. fixing the disc; 206. a threaded rod; 207. a support frame; 208. an exhaust net; 209. a sealing plate; 210. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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. 2, an exhaust valve device of a positive pressure explosion-proof cabinet includes a valve body 1 and an exhaust mechanism 2.

Referring to fig. 2, the exhaust mechanism 2 is located in the inner cavity of the valve body 1.

Referring to fig. 1-3, the valve body 1 includes a valve lower portion 100, a pressurizing film 105 and a pushing plate 104 are disposed at the bottom of the valve lower portion 100, a pressurizing liquid 103 is disposed in an inner cavity of the valve lower portion 100, a valve upper portion 101 is disposed at the top of the valve lower portion 100, a supporting frame 207 is disposed in an inner cavity of the valve upper portion 101, an exhaust net 208 is disposed in an inner cavity of the supporting frame 207, flange fasteners 102 uniformly distributed are disposed on opposite sides of the valve lower portion 100 and the valve upper portion 101, and the pushing plate 104 is slidably connected to an inner side wall of the valve lower portion 100;

when the bottom of the lower part 100 of the valve receives pressure and stretches upwards, the pushing plate 104 is pushed upwards, and the pushing plate 104 moves upwards to drive the pressurized liquid 103 to rise.

Referring to fig. 1-3, the exhaust mechanism 2 includes a support block 200, a disk 201 is disposed at the bottom of the support block 200, a fixing rod 202 is disposed at the right side of the disk 201, a float 203 is disposed at the bottom of the fixing rod 202, a fixing disk 205 is disposed at the right side of the support block 200, a fixing block 204 is disposed at the top of the disk 201, a threaded rod 206 is disposed at the top of the fixing block 204, a sealing plate 209 is disposed at the outer wall of the threaded rod 206, a baffle 210 is disposed at the top of an inner cavity of the lower valve part 100, the right side of the fixing disk 205 is fixedly connected to the top of the inner cavity of the lower valve part 100, the baffle 210 has the same diameter as the upper valve part 101, the exhaust net 208 is fixedly connected to a support frame 207, the threaded rod 206 penetrates through the fixing disk 205 and the exhaust net 208 and is rotatably connected to the fixing disk 205 and the exhaust net 208, the sealing plate 209 is located above the exhaust net 208, the sealing plate 209 is fixedly connected to the threaded rod 206, and a rubber pad is disposed at the bottom of the sealing plate 209;

when the horizontal surface rises, the float 203 moves upwards under the buoyancy of the pressurized liquid 103 to drive the fixed rod 202 to move upwards, the fixed rod 202 moves upwards to drive the right side of the disc 201 to move upwards to drive the threaded rod 206 to move upwards, the threaded rod 206 moves upwards to drive the sealing plate 209 to move upwards, the exhaust net 208 is opened, and the threaded rod 206 moves upwards to drive the baffle 210 to move upwards for exhaust.

The working principle is as follows: when the bottom of the lower valve part 100 is expanded upwards by pressure, the pushing plate 104 is pushed to move upwards, the pushing plate 104 moves upwards to drive the pressurized liquid 103 to ascend, when the water level ascends, the buoy 203 moves upwards by the buoyancy of the pressurized liquid 103 to drive the fixed rod 202 to move upwards, the fixed rod 202 moves upwards to drive the right side of the disc 201 to move upwards to drive the threaded rod 206 to move upwards, the threaded rod 206 moves upwards, the sealing plate 209 is driven to move upwards to open the exhaust net 208, and the threaded rod 206 moves upwards to drive the baffle 210 to move upwards for exhausting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a discharge valve device of explosion-proof cabinet of malleation, includes valve body (1) and exhaust mechanism (2), its characterized in that: the exhaust mechanism (2) is positioned in the inner cavity of the valve body (1);

the valve body (1) comprises a valve lower part (100), a pressurizing film (105) and a pushing plate (104) are arranged at the bottom of the valve lower part (100), pressurizing liquid (103) is arranged in an inner cavity of the valve lower part (100), a valve upper part (101) is arranged at the top of the valve lower part (100), a supporting frame (207) is arranged in an inner cavity of the valve upper part (101), and an exhaust net (208) is arranged in an inner cavity of the supporting frame (207);

exhaust mechanism (2) are including supporting shoe (200), supporting shoe (200) bottom is provided with disc (201), disc (201) right side is provided with dead lever (202), dead lever (202) bottom is provided with cursory (203), supporting shoe (200) right side is provided with fixed disk (205), disc (201) top is provided with fixed block (204), fixed block (204) top is provided with threaded rod (206), threaded rod (206) outer wall is provided with closing plate (209), threaded rod (206) top is provided with baffle (210).

2. The exhaust valve device of the positive pressure explosion-proof cabinet according to claim 1, wherein: the top of the supporting block (200) is fixedly connected to the top of the inner cavity of the lower valve part (100), and the right side of the fixed disc (205) is fixedly connected to the top of the inner cavity of the lower valve part (100).

3. The exhaust valve device of the positive pressure explosion-proof cabinet according to claim 1, characterized in that: the baffle (210) and the valve upper part (101) have the same diameter, and the exhaust net (208) is fixedly connected with the supporting frame (207).

4. The exhaust valve device of the positive pressure explosion-proof cabinet according to claim 1, wherein: the lower valve part (100) and the upper valve part (101) are provided with flange buckles (102) which are evenly distributed on the opposite sides, and the pushing plate (104) is in sliding connection with the inner side wall of the lower valve part (100).

5. The exhaust valve device of the positive pressure explosion-proof cabinet according to claim 1, wherein: the threaded rod (206) penetrates through the fixed disk (205) and the exhaust net (208) and is in rotary connection with the fixed disk (205) and the exhaust net (208), and the sealing plate (209) is located above the exhaust net (208).

6. The exhaust valve device of the positive pressure explosion-proof cabinet according to any one of claims 1 or 5, wherein: the sealing plate (209) is fixedly connected with the threaded rod (206), and a rubber pad is arranged at the bottom of the sealing plate (209).