CN215718268U - Multistage pressure regulating structure of explosion vent - Google Patents

Abstract

The utility model relates to the technical field of explosion vents, in particular to a multistage pressure regulating structure of an explosion vent, wherein when the explosion vent explodes, a large amount of gas enters the inner part of an enclosure from a gas inlet hole of the explosion vent, so that the gas pushes the explosion vent backwards, the impact of the gas on the explosion vent is reduced through the elasticity of a plurality of groups of first hydraulic springs and a plurality of groups of second hydraulic springs, and then the gas entering the enclosure is discharged through a plurality of groups of first exhaust pipes, a plurality of groups of second exhaust pipes and a plurality of groups of third exhaust pipes in a grading manner, so that the impact of the gas pressure on a pipeline wall is reduced, the explosion-proof effect of equipment is improved, the weight of the equipment is reduced, and the convenience in installation and maintenance of the equipment is improved; including explosion vent, enclose frame, explosion-proof board, multiunit slide rail, the first sliding block of multiunit, multiunit second sliding block, the first fixing base of multiunit, the first hydraulic spring of multiunit, multiunit second hydraulic spring, multiunit second fixing base, the first blast pipe of multiunit, multiunit second blast pipe, multiunit third blast pipe and sealing strip.

Description

Multistage pressure regulating structure of explosion vent

Technical Field

The utility model relates to the technical field of explosion vents, in particular to a multistage pressure regulating structure of an explosion vent.

Background

The explosion door is an explosion-proof protection device for resisting accidental explosion of devices outside an industrial building, ensuring the life safety of personnel and the integrity of internal equipment of the industrial building, being not damaged by explosion shock waves and effectively preventing the continuation of explosion damage. The existing explosion vent has a simple structure, when explosion occurs in a pipeline, the air pressure generated during explosion is difficult to discharge, so that the pipeline is broken by the air pressure, great potential safety hazard and economic loss are caused, the explosion-proof effect of equipment is poor, the existing explosion vent is relatively weighed, the installation and the maintenance of the explosion vent are influenced, the practicability is poor, and the existing explosion vent needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a multistage pressure regulating structure of an explosion vent, wherein a large amount of gas enters the interior of an enclosure from a gas inlet hole of the explosion vent when explosion occurs, so that the gas pushes an explosion-proof plate backwards, the impact of the gas on the explosion-proof plate is reduced through the elasticity of a plurality of groups of first hydraulic springs and a plurality of groups of second hydraulic springs, and then the gas entering the enclosure is discharged in a grading manner through a plurality of groups of first exhaust pipes, a plurality of groups of second exhaust pipes and a plurality of groups of third exhaust pipes, so that the impact of the gas pressure on a pipeline wall is reduced, the explosion-proof effect of equipment is improved, the weight of the equipment is reduced, and the convenience in installation and maintenance of the equipment is improved.

The utility model relates to a multistage pressure regulating structure of an explosion door, which comprises the explosion door, an enclosing frame, an explosion plate, a plurality of groups of sliding rails, a plurality of groups of first sliding blocks, a plurality of groups of second sliding blocks, a plurality of groups of first fixing seats, a plurality of groups of first hydraulic springs, a plurality of groups of second fixing seats, a plurality of groups of first exhaust pipes, a plurality of groups of second exhaust pipes, a plurality of groups of third exhaust pipes and sealing strips, wherein a cavity is arranged in the explosion door, a plurality of groups of air inlets are arranged at the front end of the explosion door, the rear ends of the plurality of groups of sliding rails are connected with the rear end in the explosion door, the rear ends of the plurality of groups of first sliding blocks and the plurality of groups of second sliding blocks are respectively installed with the front ends of the plurality of groups of sliding blocks, the rear ends of the plurality of groups of first hydraulic springs and the plurality of groups of second hydraulic springs are respectively connected with the front ends of the plurality of groups of first fixing seats in a rotating way, the front end of multiunit second fixing base all is connected with the rear end of explosion-proof plate, the front end of multiunit first hydraulic spring and multiunit second hydraulic spring rotates with the multiunit second fixing base respectively and is connected, the first blast pipe of multiunit, the side of multiunit second blast pipe and multiunit third blast pipe all is connected with the left end and the right-hand member of enclosing the frame, and the first blast pipe of multiunit, the side of multiunit second blast pipe and multiunit third blast pipe all communicates with each other with the inside of enclosing the frame, the first blast pipe of multiunit, the rear end of multiunit second blast pipe and multiunit third blast pipe stretches out by the rear end of explosion-proof door, the sealing strip suit is in the surface of explosion-proof plate.

The multistage pressure regulating structure of the explosion door further comprises two groups of pressure relief pipes and a plurality of groups of baffles, wherein the front ends of the two groups of pressure relief pipes are respectively connected with the rear ends of the plurality of groups of first exhaust pipes, the plurality of groups of second exhaust pipes and the plurality of groups of third exhaust pipes, and the side ends of the plurality of groups of baffles are respectively connected with the side walls in the two groups of pressure relief pipes.

The multistage pressure regulating structure of the explosion door further comprises a plurality of groups of first one-way valves and a plurality of groups of second one-way valves, the rear ends of the plurality of groups of first one-way valves are respectively connected with a plurality of groups of air inlet holes in the front end of the explosion door, one ends of the plurality of groups of second one-way valves are respectively connected with the rear ends of the plurality of groups of first exhaust pipes, the plurality of groups of second exhaust pipes and the plurality of groups of third exhaust pipes, and the other ends of the plurality of groups of second one-way valves are respectively connected with the front ends of the two groups of pressure relief pipes.

The multistage pressure regulating structure of the explosion door further comprises a plurality of groups of first springs and a plurality of groups of second springs, one ends of the plurality of groups of first springs and the plurality of groups of second springs are respectively connected with the left end and the right end in the enclosing frame, and the other ends of the plurality of groups of first springs and the plurality of groups of second springs are respectively connected with the side ends of the plurality of groups of first sliding blocks and the plurality of groups of second sliding blocks.

According to the multistage pressure regulating structure of the explosion door, the exhaust ports of the two groups of pressure relief pipes are respectively arranged at the top end and the bottom end of the two groups of pressure relief pipes.

According to the multistage pressure regulating structure of the explosion door, a plurality of groups of metal wires are arranged inside the sealing strip.

Compared with the prior art, the utility model has the beneficial effects that: when exploding, a large amount of gas get into to the inside of enclosing the frame by the inlet port of explosion vent, make gaseous backward promote the explosion-proof board, and elasticity through the first hydraulic spring of multiunit and multiunit second hydraulic spring, reduce gaseous impact to the explosion-proof board, later through the first blast pipe of multiunit, multiunit second blast pipe and multiunit third blast pipe will get into to enclosing the gaseous discharge in the frame in grades, reduce the impact of atmospheric pressure to the pipeline wall, thereby improve equipment's explosion-proof effect, and reduce equipment's weight, improve equipment fixing and maintenance's convenience.

Drawings

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

FIG. 2 is a schematic elevation view of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 4 is a right-view enlarged structural schematic view of the enclosure of the present invention;

FIG. 5 is a rear view of the present invention;

FIG. 6 is a schematic diagram of the right-hand side view of the present invention;

FIG. 7 is an enlarged, right-side cross-sectional, structural view of the pressure relief tube of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 1 according to the present invention;

in the drawings, the reference numbers: 1. an explosion vent; 2. enclosing a frame; 3. an explosion-proof plate; 4. a slide rail; 5. a first slider; 6. a second slider; 7. a first fixed seat; 8. a first hydraulic spring; 9. a second hydraulic spring; 10. a second fixed seat; 11. a first exhaust pipe; 12. a second exhaust pipe; 13. a third exhaust pipe; 14. a sealing strip; 15. a pressure relief pipe; 16. a baffle plate; 17. a first check valve; 18. a second one-way valve; 19. a first spring; 20. a second spring; 21. a wire.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 8, the multistage pressure regulating structure of an explosion vent of the present invention comprises an explosion vent 1, a surrounding frame 2, an explosion vent 3, a plurality of sets of slide rails 4, a plurality of sets of first slide blocks 5, a plurality of sets of second slide blocks 6, a plurality of sets of first fixing seats 7, a plurality of sets of first hydraulic springs 8, a plurality of sets of second hydraulic springs 9, a plurality of sets of second fixing seats 10, a plurality of sets of first exhaust pipes 11, a plurality of sets of second exhaust pipes 12, a plurality of sets of third exhaust pipes 13 and sealing strips 14, wherein a cavity is arranged inside the explosion vent 1, a plurality of sets of air inlets are arranged at the front end of the explosion vent 1, the rear ends of the plurality of sets of slide rails 4 are all connected with the rear ends of the slide blocks in the explosion vent 1, the rear ends of the plurality of sets of first slide blocks 5 and the plurality of sets of second slide blocks 6 are respectively slidably mounted with the front ends of the plurality of slide rails 4, the plurality of sets of first fixing seats 7 are respectively connected with the front ends of the plurality of first slide blocks 5 and the plurality of second slide blocks 6, the rear ends of a plurality of groups of first hydraulic springs 8 and a plurality of groups of second hydraulic springs 9 are respectively rotatably connected with the front ends of a plurality of groups of first fixing seats 7, the front ends of a plurality of groups of second fixing seats 10 are respectively connected with the rear end of the explosion-proof plate 3, the front ends of a plurality of groups of first hydraulic springs 8 and a plurality of groups of second hydraulic springs 9 are respectively rotatably connected with a plurality of groups of second fixing seats 10, the side ends of a plurality of groups of first exhaust pipes 11, a plurality of groups of second exhaust pipes 12 and a plurality of groups of third exhaust pipes 13 are respectively connected with the left end and the right end of the enclosure frame 2, the side ends of a plurality of groups of first exhaust pipes 11, a plurality of groups of second exhaust pipes 12 and a plurality of groups of third exhaust pipes 13 are respectively communicated with the interior of the enclosure frame 2, the rear ends of a plurality of groups of first exhaust pipes 11, a plurality of groups of second exhaust pipes 12 and a plurality of groups of third exhaust pipes 13 extend out, and the sealing strips 14 are sleeved on the surface of the explosion-proof plate 3; when exploding, a large amount of gas enters into to the inside of enclosing frame 2 by the inlet port of explosion vent 1, make gaseous explosion-proof board 3 that promotes backward, and elasticity through the first hydraulic spring 8 of multiunit and multiunit second hydraulic spring 9, reduce gaseous impact to explosion-proof board 3, later through the first blast pipe 11 of multiunit, multiunit second blast pipe 12 and multiunit third blast pipe 13 will enter into to enclosing the gaseous discharge in frame 2 in grades, reduce the impact of atmospheric pressure to the pipeline wall, thereby improve equipment's explosion-proof effect, and reduce equipment's weight, improve equipment fixing and maintenance's convenience.

The multistage pressure regulating structure of the explosion door further comprises two groups of pressure relief pipes 15 and a plurality of groups of baffles 16, wherein the front ends of the two groups of pressure relief pipes 15 are respectively connected with the rear ends of a plurality of groups of first exhaust pipes 11, a plurality of groups of second exhaust pipes 12 and a plurality of groups of third exhaust pipes 13, and the side ends of the plurality of groups of baffles 16 are respectively connected with the side walls in the two groups of pressure relief pipes 15; the gas is discharged into two sets of pressure release pipes 15 through the first blast pipe 11 of multiunit, multiunit second blast pipe 12 and multiunit third blast pipe 13 of multiunit, blocks the gas in two sets of pressure release pipes 15 through multiunit baffle 16, makes gaseous velocity of flow reduce, and later two sets of pressure release pipes 15 are with gas discharge, reduce the impact of gas to other objects of explosion vent 1 rear side to improve equipment's security.

The multistage pressure regulating structure of the explosion door further comprises a plurality of groups of first check valves 17 and a plurality of groups of second check valves 18, wherein the rear ends of the plurality of groups of first check valves 17 are respectively connected with a plurality of groups of air inlet holes at the front end of the explosion door 1, one ends of the plurality of groups of second check valves 18 are respectively connected with the rear ends of the plurality of groups of first exhaust pipes 11, the plurality of groups of second exhaust pipes 12 and the plurality of groups of third exhaust pipes 13, and the other ends of the plurality of groups of second check valves 18 are respectively connected with the front ends of the two groups of pressure relief pipes 15; gaseous the first check valve 17 of multiunit of passing through gets into to enclosing the inside of frame 2, later the gaseous of passing through multiunit second check valve 18 of passing through in multiunit first blast pipe 11, multiunit second blast pipe 12 and the multiunit third blast pipe 13 and discharging to two sets of pressure release pipes 15 in, the reduction enters into explosion vent 1 and encloses the dust in the frame 2 to improve equipment's practicality.

The multistage pressure regulating structure of the explosion door further comprises a plurality of groups of first springs 19 and a plurality of groups of second springs 20, one ends of the plurality of groups of first springs 19 and the plurality of groups of second springs 20 are respectively connected with the left end and the right end in the enclosing frame 2, and the other ends of the plurality of groups of first springs 19 and the plurality of groups of second springs 20 are respectively connected with the side ends of the plurality of groups of first sliding blocks 5 and the plurality of groups of second sliding blocks 6; when explosion-proof board 3 received gaseous impact, reduce gaseous impact to explosion-proof board 3 through the first hydraulic spring 8 of multiunit and multiunit second hydraulic spring 9, the first sliding block 5 of multiunit and multiunit second sliding block 6 slide to both sides simultaneously to elasticity through the first spring 19 of multiunit and multiunit second spring 20 supports the first sliding block 5 of multiunit and multiunit second sliding block 6, thereby improve equipment's explosion-proof effect.

According to the multistage pressure regulating structure of the explosion door, the exhaust ports of the two groups of pressure relief pipes 15 are respectively arranged at the top end and the bottom end of the two groups of pressure relief pipes 15; the gas in the pressure relief pipe 15 is discharged through the top and the bottom of two sets of pressure relief pipes 15, reduces the impact of gas to explosion vent 1 rear side to improve equipment's practicality.

According to the multistage pressure regulating structure of the explosion door, a plurality of groups of metal wires 21 are arranged inside the sealing strip 14; through setting up multiunit wire 21, support the inside of sealing strip 14, reduce the deformation of sealing strip 14 to improve equipment's practicality.

The utility model relates to a multistage pressure regulating structure of an explosion vent, which is characterized in that when the explosion vent works, firstly, a large amount of gas enters the interior of an enclosure frame 2 from an air inlet hole of the explosion vent 1, the gas pushes an explosion-proof plate 3 backwards, the gas passes through the elasticity of a plurality of groups of first hydraulic springs 8 and a plurality of groups of second hydraulic springs 9, meanwhile, a plurality of groups of first sliding blocks 5 and a plurality of groups of second sliding blocks 6 slide towards two sides, the plurality of groups of first sliding blocks 5 and the plurality of groups of second sliding blocks 6 are supported through the elasticity of a plurality of groups of first springs 19 and a plurality of groups of second springs 20, then the gas entering the enclosure frame 2 is discharged into the interior of two groups of pressure relief pipes 15 in a grading manner through a plurality of groups of first exhaust pipes 11, a plurality of groups of second exhaust pipes 12 and a plurality of groups of third exhaust pipes 13, the gas in the two groups of pressure relief pipes 15 is blocked through a plurality of groups of baffle plates 16, so that the flow rate of gas is reduced, and then the gas is discharged through the top ends and the bottom ends of the two groups of pressure relief pipes 15, it is sufficient to reduce the impact of the gas on the rear side of the explosion vent 1.

According to the multistage pressure regulating structure of the explosion door, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the multistage pressure regulating structure can be implemented as long as the beneficial effects are achieved; the multiple groups of first one-way valves 17 and the multiple groups of second one-way valves 18 of the multistage pressure regulating structure of the explosion vent are purchased from the market, and technicians in the industry only need to install and operate the multistage pressure regulating structure according to the attached operating instructions.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A multi-stage pressure regulating structure of an explosion door is characterized by comprising the explosion door (1), an enclosing frame (2), an explosion plate (3), a plurality of groups of sliding rails (4), a plurality of groups of first sliding blocks (5), a plurality of groups of second sliding blocks (6), a plurality of groups of first fixing seats (7), a plurality of groups of first hydraulic springs (8), a plurality of groups of second hydraulic springs (9), a plurality of groups of second fixing seats (10), a plurality of groups of first exhaust pipes (11), a plurality of groups of second exhaust pipes (12), a plurality of groups of third exhaust pipes (13) and sealing strips (14), wherein a cavity is arranged in the explosion door (1), a plurality of groups of air inlets are arranged at the front end of the explosion door (1), the rear ends of the plurality of groups of sliding rails (4) are connected with the rear end in the explosion door (1), the rear ends of the plurality of groups of first sliding blocks (5) and the plurality of groups of second sliding blocks (6) are respectively installed with the front ends of the plurality of sliding rails (4), the rear ends of a plurality of groups of first fixed seats (7) are respectively connected with the front ends of a plurality of groups of first sliding blocks (5) and a plurality of groups of second sliding blocks (6), the rear ends of a plurality of groups of first hydraulic springs (8) and a plurality of groups of second hydraulic springs (9) are respectively rotatably connected with the front ends of a plurality of groups of first fixed seats (7), the front ends of a plurality of groups of second fixed seats (10) are respectively connected with the rear ends of an explosion-proof plate (3), the front ends of a plurality of groups of first hydraulic springs (8) and a plurality of groups of second hydraulic springs (9) are respectively rotatably connected with a plurality of groups of second fixed seats (10), the side ends of a plurality of groups of first exhaust pipes (11), a plurality of groups of second exhaust pipes (12) and a plurality of groups of third exhaust pipes (13) are respectively connected with the left end and the right end of a surrounding frame (2), and the side ends of a plurality of groups of first exhaust pipes (11), a plurality of groups of second exhaust pipes (12) and a plurality of groups of third exhaust pipes (13) are respectively communicated with the inside of the surrounding frame (2), the rear ends of the multiple groups of first exhaust pipes (11), the multiple groups of second exhaust pipes (12) and the multiple groups of third exhaust pipes (13) extend out of the rear end of the explosion door (1), and the sealing strips (14) are sleeved on the surface of the explosion-proof plate (3).

2. The multistage pressure regulating structure of an explosion vent according to claim 1, further comprising two sets of pressure relief pipes (15) and a plurality of sets of baffles (16), wherein the front ends of the two sets of pressure relief pipes (15) are respectively connected with the rear ends of the plurality of sets of first exhaust pipes (11), the plurality of sets of second exhaust pipes (12) and the plurality of sets of third exhaust pipes (13), and the side ends of the plurality of sets of baffles (16) are respectively connected with the side walls in the two sets of pressure relief pipes (15).

3. The multistage pressure regulating structure of an explosion vent according to claim 2, further comprising a plurality of sets of first check valves (17) and a plurality of sets of second check valves (18), wherein the rear ends of the plurality of sets of first check valves (17) are respectively connected with a plurality of sets of air inlets at the front end of the explosion vent (1), one ends of the plurality of sets of second check valves (18) are respectively connected with the rear ends of the plurality of sets of first exhaust pipes (11), the plurality of sets of second exhaust pipes (12) and the plurality of sets of third exhaust pipes (13), and the other ends of the plurality of sets of second check valves (18) are respectively connected with the front ends of the two sets of pressure relief pipes (15).

4. The multistage pressure regulating structure of an explosion vent according to claim 1, further comprising a plurality of sets of first springs (19) and a plurality of sets of second springs (20), wherein one ends of the plurality of sets of first springs (19) and the plurality of sets of second springs (20) are respectively connected with the left end and the right end in the enclosure frame (2), and the other ends of the plurality of sets of first springs (19) and the plurality of sets of second springs (20) are respectively connected with the side ends of the plurality of sets of first sliding blocks (5) and the plurality of sets of second sliding blocks (6).

5. The multistage pressure regulating structure of an explosion vent according to claim 2, wherein the exhaust ports of the two pressure relief pipes (15) are respectively provided at the top and bottom ends of the two pressure relief pipes (15).

6. The multistage pressure regulating structure of an explosion vent according to claim 1, wherein a plurality of groups of wires (21) are provided inside the sealing strip (14).

Images