CN211819044U

CN211819044U - Explosion-proof ripples valve

Info

Publication number: CN211819044U
Application number: CN202020023191.4U
Authority: CN
Inventors: 田忠
Original assignee: Shanghai Duyu Machinery Manufacturing Co ltd
Current assignee: Shanghai Duyu Machinery Manufacturing Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-30
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to an explosion-proof ripples valve, including main door plant, a plurality of vent has been seted up on the main door plant, it has the valve board that can cover the vent to articulate on the main door plant, the inner wall of vent is equipped with the installation piece, logical groove has been seted up on the installation piece, it has the gag lever post of perpendicular to installation piece surface to lead to sliding connection in the groove, it is equipped with the drive spring that the drive gag lever post popped out to lead to the inslot, sliding connection has the apron on the installation piece, the apron can press and close in the gag lever post upper end, one side that the valve board is close to the installation piece is equipped with the slurcam, has seted up spacing hole on the slurcam, and when the vent was closed to the valve board lid, the slurcam can drive the apron. The utility model discloses when having the valve board and closing, can be in closed state always, avoid the dust to get into indoor effect.

Description

Explosion-proof ripples valve

Technical Field

The utility model belongs to the technical field of the people's air defense door technique and specifically relates to an explosion-proof ripples valve is related to.

Background

The explosion-proof wave valve is a protection ventilation device used in civil air defense engineering to ensure uninterrupted ventilation in the engineering under the condition of air attack, and is generally used in combination with a diffusion chamber and a civil air defense channel.

The patent document with the current publication number of CN209457773U discloses an explosion-proof ripples valve, including main door plant, valve plate and pivot, be provided with the mount pad on the main door plant, be provided with on the mount pad and wear the shaft hole, valve plate includes the rotor arm, wear to establish on the rotor arm and be provided with the perforation, the pivot includes the jack-post, the jack-post side is provided with the storage tank, the storage tank is filled with ceramic strip, the jack-post runs through simultaneously and wears shaft hole and perforation, the one side of ceramic strip storage tank dorsad with wear the shaft hole, the butt is pasted mutually to fenestrate inboard, this explosion-proof ripples door can reduce the influence of corrosion to valve plate pivoted.

The above prior art solutions have the following drawbacks: the shutter board is in the state of hanging under the natural state, though can reduce the corrosion to shutter board pivoted influence, but when suffering the shock wave of explosion etc. the shutter board will close the vent under the effect of shock wave, on the shutter board was strikeed with great speed to the shutter board this moment, takes place the rebound easily and makes the vent be in the open mode, and the dust nitre cigarette that the explosion produced etc. enters into in the people's air defense passageway through the vent easily.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide an explosion-proof ripples valve, when having the valve board and closing, can be in closed state always, avoid the dust to get into indoor effect.

The above object of the present invention can be achieved by the following technical solutions:

an explosion wave proof valve comprises a main door plate, wherein a plurality of vents are arranged on the main door plate, a valve plate capable of covering the vents is hinged on the main door plate, an installation block is arranged on the inner wall of the vents, a through groove is arranged on the installation block, a limiting rod perpendicular to the surface of the installation block is connected in the through groove in a sliding manner, a driving spring for driving the limiting rod to eject is arranged in the through groove, a cover plate is connected on the installation block in a sliding manner and can be pressed on the upper end of the limiting rod, a pushing plate is arranged on one side of the valve plate close to the installation block, a limiting hole is arranged on the pushing plate, when the valve plate covers the vents, the pushing plate can drive the cover plate to slide, the driving spring can drive the limiting rod to be inserted into the limiting hole, a groove is arranged on the main door plate, an air outlet hole communicated with the groove is arranged on the inner wall of the vents, the filter box is characterized in that breathing holes are formed in the side wall of the filter box, air holes are formed in the valve plate, and the breathing holes can be attached to the filter box when the valve plate covers the ventilation openings.

Through adopting above-mentioned technical scheme, on the shutter board lid fitted main door plant when receiving the shock wave, the slurcam can promote the apron and slide, and at this moment the apron removes the pressfitting effect to the gag lever post, has seted up spacing hole on the slurcam, and drive spring can drive the gag lever post and pop out and insert in spacing downthehole for the gag lever post still can be in the state of pegging graft spacing hole after the shock wave is flat, and the shutter board is in the state of closed vent, and outdoor dust is difficult to enter into indoorly. The filtering filler is placed in the filtering box, and when the valve plate covers the main door plate, air can sequentially pass through the air holes, the filtering box and the air outlet hole to enter the room and is filtered by the filtering box, so that the indoor air circulation is not influenced.

The present invention may be further configured in a preferred embodiment as: the mounting block is provided with two mutually parallel convex blocks, and the convex blocks are provided with grooves for clamping the two sides of the cover plate.

Through adopting above-mentioned technical scheme, the both ends joint of apron realizes the slip of apron in the fluting, and is difficult to rock.

The present invention may be further configured in a preferred embodiment as: the cover plate is provided with a contact block extending upwards on one side far away from the installation block, and the push plate can abut against the contact block when the shutter plate rotates.

Through adopting above-mentioned technical scheme, install the touch block on the apron, the catch bar promotes the apron and slides when making things convenient for the shutter board to close more.

The present invention may be further configured in a preferred embodiment as: the limiting rod is in an arc-shaped structure at one end abutting against the cover plate.

Through adopting above-mentioned technical scheme, the gag lever post is contradicted and is the arc structure in the one end of apron, makes things convenient for the gag lever post to peg graft into spacing hole more.

The present invention may be further configured in a preferred embodiment as: the recess is installed first spring on the one side towards the shutter board, the other end of first spring is fixed in on the filter cartridge.

Through adopting above-mentioned technical scheme, first spring drive filter cartridge outwards removes, can slow down the impact force to main door plant when the shutter plate closes.

The present invention may be further configured in a preferred embodiment as: be equipped with the protection piece that is used for preventing first spring distortion between filter box and the recess, the protection piece is including locating the installation section of thick bamboo in the recess, still including locating the grafting section of thick bamboo on the filter box, an installation section of thick bamboo and a grafting section of thick bamboo are hollow structure and a grafting section of thick bamboo sliding connection in an installation section of thick bamboo, and the inside of a grafting section of thick bamboo and an installation section of thick bamboo is located to first spring.

Through adopting above-mentioned technical scheme, first spring mounting is inside the installation section of thick bamboo of a section of thick bamboo of pegging graft for a section of thick bamboo slides inside the installation section of thick bamboo when first spring is compressed, thereby avoids first spring to take place the distortion.

The present invention may be further configured in a preferred embodiment as: the first spring is not less than two.

Through adopting above-mentioned technical scheme, two are no less than in first spring setting, improve the support effect to the filter cartridge, also improve the effect to reducing the valve board impact force.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the valve plate covers the vent, the pushing plate pushes the cover plate to slide, so that the limiting rod can be inserted into the limiting hole, the valve plate is still in a state of closing the vent after the shock wave passes, and dust is reduced from entering the room.

2. Install the filter cassette on the main door plant, the valve board is closed when main door plant, and the air still can get into indoorly through the filter cassette, and can filter impurity such as dust by the filter cassette.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an exploded schematic view of the present embodiment.

Fig. 3 is an enlarged schematic view at a in fig. 2.

FIG. 4 is a schematic view highlighting the pusher plate.

Description of reference numerals: 1. a main door panel; 2. a shutter plate; 3. a vent; 4. mounting blocks; 5. a through groove; 6. a limiting rod; 7. a drive spring; 8. a cover plate; 9. a push plate; 10. a limiting hole; 11. a groove; 12. an air outlet; 13. a filter cartridge; 14. a breathing hole; 15. air holes are formed; 16. a bump; 17. grooving; 18. a contact block; 19. a first spring; 20. a guard; 21. mounting the cylinder; 22. a plug-in cartridge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, for the utility model discloses an explosion-proof ripples valve, including main door plant 1, seted up a plurality of vent 3 on the main door plant 1, rotate on the main door plant 1 and be connected with the valve board 2 that can cover vent 3, under the effect of gravity, vent 3 is in the state of ventilating, and when receiving the shock wave, valve board 2 can support tightly on main door plant 1 to close vent 3, avoid the shock wave to get into indoorly.

As shown in fig. 2 and 3, the inner wall of the vent 3 is fixed with a mounting block 4, which is preferentially mounted on the lower inner wall of the vent 3, the mounting block 4 is provided with a through groove 5, the cross section of the through groove 5 is circular, a limit rod 6 is slidably connected in the through groove 5, the inner diameter of the through groove 5 is equal to the outer diameter of the limit rod 6, so that the limiting rod 6 can vertically slide in the through groove 5, the surface of the mounting block 4 is connected with a cover plate 8 in a sliding way, the sliding direction of the cover plate 8 is vertical to the direction of the limiting rod 6, so that the cover plate 8 can cover the through groove 5, the driving spring 7 is arranged between the through groove 5 and the limiting rod 6, one end of the driving spring 7 is fixed on the bottom surface of the through groove 5, the other end is fixed on the bottom surface of the limiting rod 6, when the cover plate 8 covers the through groove 5, the driving spring 7 is in a compressed state, under the action of the driving spring 7, the limiting rod 6 tends to move upwards, so that the limiting rod 6 abuts against the lower surface of the cover plate 8. Combine fig. 4, install catch plate 9 on one side that shutter plate 2 is close to installation piece 4, seted up spacing hole 10 on the catch plate 9, when laminating on main door plant 1 on shutter plate 2, catch plate 9 can promote apron 8 and slide, and contact apron 8 is to the spacing effect of gag lever post 6, and gag lever post 6 can pop out to peg graft in spacing hole 10.

As shown in fig. 3, two sides of the mounting block 4 are provided with a protrusion 16 extending upward, the two protrusions 16 are parallel to each other, and one side of the protrusion 16 opposite to each other is provided with a slot 17, and the cover plate 8 slides in the slot 17. Furthermore, the upper end of the limiting rod 6 is arranged to be of an arc-shaped structure, and the arc opening faces downwards, so that the limiting hole 10 can be inserted more easily. Furthermore, the side of the cover plate 8 far away from the installation block 4 is provided with an upwards extending abutting block 18, so that when the shutter plate 2 rotates, the push plate 9 can push the cover plate 8 to slide more easily.

As shown in fig. 1 and 2, set up recess 11 on the main door plant 1, filter cartridge 13 has been placed in the recess 11, filter cartridge 13 is inside hollow structure and a plurality of breather holes 14 have been seted up on the surface, can place the filtration filler in the filter cartridge 13, for example, the sponge, active carbon etc., set up the venthole 12 of intercommunication recess 11 on the inner wall of vent 3, bleeder vent 15 has been seted up on the valve board 2, pass through 6 limiting displacement of gag lever post 2 under, when laminating on main door plant 1, the air can loop through bleeder vent 15, filter cartridge 13, venthole 12 gets into indoorly, avoid valve board 2 to cover vent 3, make indoor unable ventilation.

As shown in fig. 2, install first spring 19 between recess 11 and the filter cartridge 13, first spring 19 one end is fixed in recess 11 on one side towards shutter plate 2, the other end is fixed in on the filter cartridge 13, first spring 19 sets up and is no less than two, under the effect of first spring 19, filter cartridge 13 has the partly that extends main door plant 1 surface, when shutter plate 2 receives the impulse wave, shutter plate 2 covers filter cartridge 13 and recompresses first spring 19, first spring 19 can reduce the impact force of shutter plate 2 to main door plant 1. A protection piece 20 for preventing the first spring 19 from being distorted is arranged between the filter box 13 and the groove 11, the protection piece 20 comprises a mounting barrel 21 mounted on one side of the groove 11 facing the valve plate 2, and further comprises a plug barrel 22 mounted on the filter box 13, the mounting barrel 21 and the plug barrel 22 are both of a hollow structure, the plug barrel 22 can slide inside the mounting barrel 21, the first spring 19 is located inside the plug barrel 22 and the mounting barrel 21 and coaxially arranged, so that when the first spring 19 is compressed, the plug barrel 22 slides inside the mounting barrel 21, and the first spring 19 is prevented from being distorted.

The implementation principle of the embodiment is as follows: receive the shock wave, shutter board 2 will be covered on main door plant 1, and the slurcam 9 promotes apron 8 and slides this moment for gag lever post 6 pops out under drive spring 7's elastic force, and can peg graft in spacing hole 10, and the air can get into indoorly through bleeder vent 15, filter box 13, venthole 12, makes shutter board 2 seal when living vent 3, and is indoor also can ventilate.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an explosion-proof ripples valve, includes main door plant (1), a plurality of vent (3) have been seted up on main door plant (1), articulated have movable door plant (2) that can cover vent (3) on main door plant (1), its characterized in that: the inner wall of the vent (3) is provided with a mounting block (4), the mounting block (4) is provided with a through groove (5), the through groove (5) is connected with a limiting rod (6) perpendicular to the surface of the mounting block (4) in a sliding manner, the through groove (5) is internally provided with a driving spring (7) for driving the limiting rod (6) to pop out, the mounting block (4) is connected with a cover plate (8) in a sliding manner, the cover plate (8) can be pressed on the upper end of the limiting rod (6), one side of the shutter plate (2) close to the mounting block (4) is provided with a push plate (9), the push plate (9) is provided with a limiting hole (10), when the shutter plate (2) covers the vent (3), the push plate (9) can drive the cover plate (8) to slide, the driving spring (7) can drive the limiting rod (6) to be inserted into the limiting hole (10), the main door plate (1) is provided with, the air outlet (12) of the communicating groove (11) is formed in the inner wall of the ventilation opening (3), the hollow filter box (13) with the adsorption filler placed inside is arranged in the groove (11), the breathing holes (14) are formed in the side wall of the filter box (13), the ventilation holes (15) are formed in the valve plate (2), and the ventilation holes (15) can be attached to the filter box (13) when the valve plate (2) covers the ventilation opening (3).

2. An implosion wave proof shutter as recited in claim 1, further comprising: the mounting block (4) is provided with two mutually parallel convex blocks (16), and the convex blocks (16) are provided with slots (17) for clamping the two sides of the cover plate (8).

3. An implosion wave proof shutter as recited in claim 2, further comprising: the cover plate (8) is provided with a contact block (18) extending upwards on one side far away from the installation block (4), and the push plate (9) can abut against the contact block (18) when the movable door plate (2) rotates.

4. An implosion wave proof shutter as recited in claim 3, further comprising: the limiting rod (6) is in an arc-shaped structure at one end abutting against the cover plate (8).

5. An implosion wave proof shutter as recited in claim 4, further comprising: the groove (11) is provided with a first spring (19) on one side facing the valve plate (2), and the other end of the first spring (19) is fixed on the filter box (13).

6. An implosion wave proof shutter as recited in claim 5, further comprising: be equipped with between filter box (13) and recess (11) and be used for preventing the guard piece (20) of first spring (19) distortion, guard piece (20) are including installing section of thick bamboo (21) of locating in recess (11), still including locating plug-in connection section of thick bamboo (22) on filter box (13), installing section of thick bamboo (21) and plug-in connection section of thick bamboo (22) be hollow structure and plug-in connection section of thick bamboo (22) sliding connection in installing section of thick bamboo (21), and the inside of plug-in connection section of thick bamboo (22) and installing section of thick bamboo (21) is located in first spring (19).

7. An implosion wave proof shutter as recited in claim 6, further comprising: the number of the first springs (19) is not less than two.