CN217583314U

CN217583314U - High antiknock valve of security

Info

Publication number: CN217583314U
Application number: CN202221781491.4U
Authority: CN
Inventors: 王双君; 王双富; 胡双朝; 国洪臣
Original assignee: Shandong Dahan Environmental Technology Co ltd
Current assignee: Shandong Dahan Environmental Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-10-14
Anticipated expiration: 2032-07-11

Abstract

The utility model provides a high antiknock valve of security relates to explosion-proof equipment technical field, which comprises an outer shell, a plurality of spacing spouts have all been seted up to the relative inner wall of shell. The utility model discloses in, when using, at first, use a plurality of bolts to pass the mounting hole and firmly install fixed frame on the surface of building, can restrict the position of protection page or leaf through limit stop, thereby make all protection page or leaf be in a plane, superpressure and negative pressure that the very first time brought to the shock wave that the explosion produced all can block, thereby the antiknock valve of having solved one-way protection can not produce the problem of blocking the effect to the negative pressure and have certain potential safety hazard, after the condition of explosion is alleviated, the inside and outside pressure of building is steady relatively, through under fixing spring's pulling action, limit slide is inside the spacing spout, thereby make two protection page or leaf of bracing piece surface mounting and limit stop's horizontal plane one-tenth, and then make the antiknock valve can normally ventilate.

Description

High antiknock valve of security

Technical Field

The utility model relates to an explosion-proof equipment technical field especially relates to a high antiknock valve of security.

Background

Antiknock valves are typically mounted on the exterior walls of a protected building. Normally, the antiknock valve corresponds to a vent inlet or outlet. When destructive explosion shock waves arrive, the anti-explosion valve can be automatically adjusted or closed according to overpressure, and damage to the interior of the building caused by the explosion shock waves is blocked.

The existing antiknock valve has the following defects:

as a protective device, the anti-explosion valve is often applied to the fields of control rooms of petroleum, chemical engineering, electric power and the like, civil defense facilities, air cavities, coal mines and the like, can block shock waves generated by explosion in time when explosion occurs, but most common anti-explosion valves are one-way protective and can only automatically close and block overpressure caused by external shock waves, after the shock waves are far away, when the internal pressure of a building is higher than the external pressure, negative pressure can be generated, the anti-explosion valve of the one-way protective cannot generate a blocking effect on the negative pressure, the destructiveness of the negative pressure is small, certain potential safety hazards still exist, and therefore the anti-explosion valve with high safety is provided for overcoming the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the antiknock valve with one-way protection in the prior art can not block the effect to the negative pressure production, has certain potential safety hazard, and the antiknock valve with high safety that provides.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a high antiknock valve of security, includes the shell, a plurality of spacing spouts have all been seted up to the relative inner wall of shell, the inner wall symmetry sliding connection of spacing spout has two spacing sliders, one side of spacing slider is provided with fixing spring, fixing spring's one end and the inner wall fixed connection of spacing spout, the equal fixed mounting of surface of spacing slider has protection page or leaf piece, fixed mounting has a plurality of bracing pieces between the relative inner wall of shell, the surface of bracing piece rotates and is connected with the stay tube, the outer fixed connection of surface of stay tube has two protection page or leaf pieces, the surface of protection page or leaf piece and one side fixed connection of spacing slider, the equal fixed mounting of the relative inner wall of shell has a plurality of limit stop.

Preferably, a plurality of rotary grooves are formed in the inner wall, opposite to the outer shell, of the outer shell, and the inner walls of the rotary grooves are connected with fixing rods in a rotating mode.

Preferably, it is a plurality of every two of dead lever are a set of, and equal fixed mounting has outer leaf, a plurality of between the one end of every group dead lever the connecting block is all installed to the both sides of outer leaf.

Preferably, a plurality of sliding sleeve is equipped with the connecting rod between the one end of connecting block, the top fixed mounting of connecting rod has the removal handle.

Preferably, the cross section of the limit stop is T-shaped, and the cross section of the protective leaf is L-shaped.

Preferably, a protective net is fixedly mounted at the bottom of the shell through screws, and the section of the limiting sliding chute is arranged in an arc shape.

Preferably, the top welding of shell has fixed frame, a plurality of mounting holes have been seted up at the top of fixed frame.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, when using, at first, use a plurality of bolts to pass the mounting hole and firmly install fixed frame on the surface of building, can restrict the position of protection page or leaf through limit stop, thereby make all protection page or leaf be in a plane, superpressure and negative pressure that the very first time brought to the shock wave that the explosion produced all can block, thereby the antiknock valve of having solved one-way protection can not produce the problem of blocking the effect to the negative pressure and have certain potential safety hazard, after the condition of explosion is alleviated, the inside and outside pressure of building is steady relatively, through under fixing spring's pulling action, limit slide is inside the spacing spout, thereby make two protection page or leaf of bracing piece surface mounting and limit stop's horizontal plane one-tenth, and then make the antiknock valve can normally ventilate.

2. The utility model discloses in, when using, can realize the dual function of ventilation and protection through the protection network, stir the connecting rod to two directions through handheld removal handle to can adjust the gap size between the outer leaf piece, the superpressure that produces when the while can be to the explosion carries out dual blocking.

Drawings

FIG. 1 is a perspective view of an anti-knock valve with high safety according to the present invention;

fig. 2 is a structural expansion perspective view of the anti-explosion valve with high safety provided by the utility model;

FIG. 3 is a sectional perspective view of a part of the structure of the anti-knock valve with high safety according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.

Illustration of the drawings: 1. a housing; 2. a fixing frame; 3. an outer sheet; 4. fixing the rod; 5. moving the handle; 6. a connecting rod; 8. connecting blocks; 9. rotating the groove; 10. a protective sheet; 11. a limiting chute; 12. a limit stop block; 13. a support bar; 14. a protective net; 15. fixing the spring; 16. a limiting slide block; 17. and (5) supporting the tube.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Embodiment 1, as shown in fig. 1-4, the utility model provides a high antiknock valve of security, which comprises a housing 1, a plurality of spacing spouts 11 have all been seted up to the relative inner wall of shell 1, the inner wall symmetry sliding connection of spacing spout 11 has two limit slider 16, one side of limit slider 16 is provided with fixing spring 15, fixing spring 15's one end and the inner wall fixed connection of spacing spout 11, the equal fixed mounting in surface of limit slider 16 has protection page or leaf piece 10, fixed mounting has a plurality of bracing pieces 13 between the relative inner wall of shell 1, the surface rotation of bracing piece 13 is connected with stay tube 17, the fixed surface of stay tube 17 is connected with two protection page or leaf pieces 10, the surface of protection page or leaf piece 10 and one side fixed connection of limit slider 16, the equal fixed mounting in relative inner wall of shell 1 has a plurality of limit stop 12.

The whole embodiment 1 of the invention has the advantages that, in use, firstly, a plurality of bolts are used to penetrate through the mounting holes to firmly mount the fixing frame 2 on the surface of a building, when the outside of the building explodes, overpressure generated by instant shock waves can press the protection blades 10 inwards, the position of the protection blades 10 can be limited by the limit stop 12, so that all the protection blades 10 are positioned on one plane, the shock waves generated by explosion are blocked in the first time, when the shock waves are far away, the pressure inside the building is higher than the negative pressure generated by the outside, another protection blade 10 mounted on the outer surface of the support tube 17 can press outwards, and through the blocking action of the limit stop 12, all the protection blades 10 are positioned on one plane again, so that the problem that the explosion-proof valve of one-way protection cannot block the negative pressure, so that certain potential safety hazards exist is solved, after the explosion situation is relieved, the inside and outside of the building are relatively stable, under the pulling action of the fixing spring 15, the limit slider 16 slides inside the limit chute 11, so that the two protection blades 10 fixed on the outer surface of the support rod 13 and the protection blades 10 and the limit stop 12 can form a 45 degrees with the horizontal plane, and the normal ventilation pressure can be ensured.

Embodiment 2, as shown in fig. 1-4, a plurality of rotating grooves 9 have all been seted up to the relative inner wall of shell 1, the inner wall of a plurality of rotating grooves 9 all rotates and is connected with dead lever 4, every two of a plurality of dead levers 4 are a set of, and equal fixed mounting has outer leaf 3 between the one end of every group dead lever 4, connecting block 8 is all installed to the both sides of a plurality of outer leaf 3, the slip cap is equipped with connecting rod 6 between the one end of a plurality of connecting block 8, the top fixed mounting of connecting rod 6 has removal handle 5, limit stop 12's cross-section is the T type setting, the cross-section of protection leaf 10 is the L type setting, there is protection network 14 bottom shell 1 through screw fixed mounting, the cross-section of limit chute 11 is the fixed frame setting, the welding of shell 1's top has 2, a plurality of mounting holes have been seted up at the top of fixed frame 2.

The effect that its whole embodiment 2 reached is, when using, can realize the dual function of ventilation and protection through protection network 14, stirs connecting rod 6 to two directions through handheld removal handle 5 to can adjust the gap size between the outer leaf 3, can carry out dual blocking to the superpressure that produces when the explosion simultaneously.

The working principle is as follows: when the explosion-proof valve is used, firstly, a plurality of bolts penetrate through the mounting holes to firmly mount the fixing frame 2 on the surface of a building, when the outside of the building explodes, overpressure generated by instant shock waves can press the protection blades 10 inwards, the positions of the protection blades 10 can be limited through the limit stops 12, so that all the protection blades 10 are located on one plane, when the shock waves are far away, the pressure inside the building is higher than that outside to generate negative pressure, at the moment, the other protection blade 10 mounted on the outer surface of the support tube 17 can be pressed outwards, and the other protection blade 10 can also be located on one plane through the blocking action of the limit stops 12, so that all the protection blades 10 are located on one plane again, after the explosion condition is relieved, the limit slide block 16 slides inside the limit slide groove 11 under the pulling action of the fixing spring 15, so that the two protection blades 10 fixed on the outer surface of the support rod 13 form 45 degrees with the horizontal plane of the limit stops 12, and the explosion-proof valve can normally ventilate, when the explosion-proof valve is used, the double functions of ventilation and protection can be realized through the protection net 14, the connecting rod 6 is shifted to two directions through the handle 5, so that the size of the connecting rod 3 can be adjusted.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a high antiknock valve of security, includes shell (1), its characterized in that: a plurality of spacing spouts (11) have all been seted up to the relative inner wall of shell (1), the inner wall symmetry sliding connection of spacing spout (11) has two limit slider (16), one side of limit slider (16) is provided with retaining spring (15), the one end of retaining spring (15) and the inner wall fixed connection of spacing spout (11), the equal fixed mounting in surface of limit slider (16) has protection page or leaf piece (10), fixed mounting has a plurality of bracing pieces (13) between the relative inner wall of shell (1), the surface rotation of bracing piece (13) is connected with stay tube (17), the fixed surface of stay tube (17) is connected with two protection page or leaf pieces (10), the surface of protection page or leaf piece (10) and one side fixed connection of limit slider (16), the equal fixed mounting in relative inner wall of shell (1) has a plurality of limit stop (12).

2. The high safety antiknock valve according to claim 1, wherein: a plurality of rotary grooves (9) are formed in the inner wall, opposite to the inner wall of the shell (1), and the rotary grooves (9) are connected with fixing rods (4) in a rotating mode.

3. The explosion-proof valve with high safety according to claim 2, wherein: it is a plurality of every two of dead lever (4) are a set of, and equal fixed mounting has outer leaf (3), a plurality of between the one end of every group dead lever (4) connecting block (8) are all installed to the both sides of outer leaf (3).

4. The explosion-proof valve with high safety according to claim 3, wherein: a plurality of sliding sleeve is equipped with connecting rod (6) between the one end of connecting block (8), the top fixed mounting of connecting rod (6) has removal handle (5).

5. The high safety antiknock valve according to claim 1, wherein: the cross section of the limit stop (12) is arranged in a T shape, and the cross section of the protective leaf (10) is arranged in an L shape.

6. The high safety antiknock valve according to claim 1, wherein: the bottom of the shell (1) is fixedly provided with a protective net (14) through screws, and the cross section of the limiting sliding groove (11) is arranged in an arc shape.

7. The high safety antiknock valve of claim 1, further comprising: the top welding of shell (1) has fixed frame (2), a plurality of mounting holes have been seted up at the top of fixed frame (2).