CN212221077U

CN212221077U - Explosion-proof safe storage box of fireworks and crackers

Info

Publication number: CN212221077U
Application number: CN201922172512.7U
Authority: CN
Inventors: 秦斌武
Original assignee: Pingxiang Jinping Fireworks Manufacturing Co ltd
Current assignee: Pingxiang Jinping Fireworks Manufacturing Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-12-25
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a fireworks and crackers explosion-proof safe storage box, which belongs to the field of fireworks transportation, and has the technical scheme that the box comprises a box body and a box door, wherein the box body and the box door are made of steel materials, the box door is hinged with the box body, and the box door is provided with a locking mechanism, so that the box door can be locked on the box body; wherein, the inside of the through opening is sequentially provided with a folding shutter and a breathable explosion-proof layer from bottom to top; the middle part of the lower end face of the pressure relief assembly is in contact with the upper end face of the enclosure mechanism, the two sides of the lower end face are fixed on the upper end face of the box body, and the pressure relief assembly can stretch in the vertical direction. The problem of when the fireworks and crackers in the box explode, a large amount of gas can't be timely discharged, lead to inside atmospheric pressure increase, cause secondary explosion easily is solved.

Description

Explosion-proof safe storage box of fireworks and crackers

Technical Field

The utility model relates to a fireworks transportation technical field particularly, relates to an explosion-proof safe storage box of fireworks and crackers.

Background

At present, fireworks and crackers are mass-consumption articles and dangerous articles, are mainly packaged by common cartons in the processes of storage, transportation and sale, have no safety protection measures, and cause sympathetic explosion of other fireworks and crackers by scattering fragments around when detonation occurs to one case for some reason, thus causing larger-scale detonation accidents. In recent years, the accident of accidental deflagration of fireworks and crackers in the transportation process frequently occurs, which causes a great amount of personnel and property loss.

The fireworks and crackers can be protected by placing the fireworks and crackers in the safe storage and transportation box, so that the situation that other box fireworks and crackers are sympathetic due to scattering of fragments is avoided, but most of the existing safe storage and transportation boxes are of closed structures and have the following problems; 1. the air in the box body is not circulated, so that the temperature in the box body is increased, and the fireworks and crackers are easy to explode; 2. when fireworks and crackers in the box explode, a large amount of gas cannot be discharged in time, so that internal air pressure is increased, and secondary explosion is easily caused.

Therefore, the anti-explosion safe storage and transportation box for the fireworks and the crackers is provided.

Disclosure of Invention

A primary object of the present invention is to provide an explosion-proof safe storage and transportation box for fireworks and crackers to solve the problems in the background art.

In order to achieve the purpose, the utility model provides a fireworks and crackers explosion-proof safety storage box, which comprises a box body and a box door, wherein the box body and the box door are made of steel materials, the box door is hinged with the box body, a locking mechanism is arranged on the box door, so that the box door can be locked on the box body, the upper end surface of the box body is provided with a baffle mechanism formed by sequentially welding a plurality of side steel plates end to end, an opening arranged in the middle of the baffle mechanism is communicated with the inside of the box body, and the side wall of the baffle mechanism is provided with a vent hole communicated with the opening; the foldable shutter and the breathable explosion-proof layer are sequentially arranged in the through hole from bottom to top, the foldable shutter is fixed on the inner wall of the box body, and the breathable explosion-proof layer is fixed on the inner wall side of the enclosure mechanism; the middle part of the lower end face of the pressure relief assembly is in contact with the upper end face of the enclosing and blocking mechanism, the two sides of the lower end face are fixed on the upper end face of the box body, and the pressure relief assembly can stretch in the vertical direction.

Further, be provided with the rock wool layer on the inner wall of box.

Furthermore, a plastic plate is arranged in the middle of the box body and inserted into a placing groove formed in the inner wall of the box body so as to be abutted against the inner wall of the box body.

Furthermore, the aperture of the air hole is gradually reduced from the inner side to the outer side of the enclosing and blocking mechanism.

Furthermore, the pressure relief assembly comprises a return spring and a cover plate, the end part of the cover plate extends downwards along the direction vertical to the lower end face of the cover plate, and the inner side wall of the cover plate is attached to the outer wall of the enclosure mechanism; one end of the reset spring is fixed on the lower end face of the end part of the cover plate, and the other end of the reset spring is fixed on the upper end face of the box body, so that the cover plate can move in the vertical direction.

Furthermore, the cover plate comprises an asbestos fiber layer, corrugated irons, a composite sandwich plate and a steel purlin plate, wherein the asbestos fiber layer, the corrugated irons and the composite sandwich plate are sequentially laid and fixed on the steel purlin plate from bottom to top.

Further, the breathable explosion-proof layer is of a multilayer iron wire mesh superposed structure.

Use the technical scheme of the utility model, beneficial effect is:

1. the side wall of the enclosure mechanism is provided with the air holes, the air holes are communicated with the through holes through the air holes, so that the air in the box body can be exchanged with the outside air, the temperature in the box body cannot be obviously raised in the transportation process, the problem that fireworks and crackers in the box body are easily exploded due to high temperature is avoided, the air-permeable explosion-proof layer is fixed on the inner wall side of the enclosure mechanism, the air holes can be shielded, and the problem that flames are caused by the extension of the air holes to cause sympathetic explosion of other box fireworks and crackers is avoided;

2. when not exploding in the box, through the lower terminal surface middle part of pressure release subassembly with enclose the up end contact that keeps off the mechanism, the both sides of terminal surface are fixed down on the up end of box, can shelter from enclosing fender mechanism to reach waterproof effect, when exploding in the box, the inside atmospheric pressure of box increases, makes the pressure release subassembly by the jack-up, thereby makes the gas in the box discharge by the opening rapidly, when having solved the fireworks and crackers in the box and exploding, the unable timely discharge of a large amount of gas leads to inside atmospheric pressure to increase, causes the problem of secondary explosion easily.

Drawings

The accompanying drawings, which form a part of the present application, 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 invention and not to limit the invention. In the drawings:

fig. 1 shows an overall structure diagram of the pressure relief assembly of the present invention in a closed state;

fig. 2 shows an overall structure diagram of the pressure relief assembly of the present invention in a top-open state;

fig. 3 shows an enlarged view of fig. 1 a of the present invention;

fig. 4 shows an enlarged view of fig. 1 at B.

Wherein the figures include the following reference numerals:

10. a box body; 11. a rock wool layer; 12. a plastic panel; 13. a side steel plate; 14. a folding shutter; 15. a breathable explosion-proof layer; 20. a box door; 30. a pressure relief assembly; 31. a return spring; 32. a cover plate; 321. a layer of asbestos fibres; 322. corrugating; 323. a composite sandwich ply layer; 324. steel purlin board.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, the utility model provides an explosion-proof safe storage and transportation box for fireworks and crackers, which comprises a box body 10, a box door 20 and a pressure relief assembly 30, wherein the box body 10 and the box door 20 are made of steel materials, the box door 20 is hinged with the box body 10, the box door 20 is provided with a locking mechanism, so that the box door 20 can be locked on the box body 10, the upper end surface of the box body 10 is provided with a barrier mechanism 13 formed by sequentially welding a plurality of side steel plates end to end, a through hole arranged in the middle of the barrier mechanism 13 is communicated with the inside of the box body 10, and the side wall of the barrier mechanism 13 is provided with a vent hole communicated with the through hole; wherein, a folding shutter 14 and a breathable explosion-proof layer 15 are sequentially arranged in the through opening from bottom to top, the folding shutter 14 is fixed on the inner wall of the box body 10, and the breathable explosion-proof layer 15 is fixed on the inner wall side of the enclosure mechanism 13; the middle part of the lower end face of the pressure relief assembly 30 is in contact with the upper end face of the enclosure mechanism 13, two sides of the lower end face are fixed on the upper end face of the box body 10, and the pressure relief assembly 30 can stretch in the vertical direction.

By applying the technical scheme of the embodiment, fireworks and crackers are placed in the box body 10, the box door 20 is closed, the box door 20 and the box body 10 are locked through a locking mechanism (not shown), vent holes are formed in the side wall of the enclosure mechanism 13 and are communicated with the through holes through the vent holes, so that air in the box body 10 can be exchanged with outside air, the temperature in the box body 10 cannot be obviously raised in the transportation process, the problem that the fireworks and crackers in the box body 10 are easy to explode due to the influence of high temperature is solved, the vent holes are formed in the side wall of the enclosure mechanism 13, rainwater can be prevented from entering the box body 10 from the vent holes, the folding type shutter 14 and the breathable explosion-proof layer 15 are sequentially arranged in the through holes from bottom to top and are fixed on the inner wall side of the enclosure mechanism 13 through the breathable explosion-proof layer 15, the vent holes can be shielded, and when the explosion occurs, the flame is caused by the epitaxy of the air holes to cause sympathetic explosion of fireworks and crackers of other boxes, and the folding shutter 14 can prevent fragments from scattering to damage the air-permeable explosion-proof layer 15 during explosion;

wherein, when not exploding in box 10, lower terminal surface middle part through pressure release subassembly 30 and the up end contact that encloses fender mechanism 13, the both sides of lower terminal surface are fixed on the up end of box 10, can shelter from enclosing fender mechanism 13, thereby reach waterproof effect, when exploding in box 10, the inside atmospheric pressure of box 10 increases, make pressure release subassembly 30 along vertical direction by jack-up, thereby make the gaseous rapidity of box 10 discharge by the opening, when having solved the fireworks and crackers emergence explosion in box 10, the unable timely discharge of a large amount of gas, lead to inside atmospheric pressure to increase, cause secondary explosion's problem easily.

Optionally, the air-permeable explosion-proof layer 15 is a multi-layer wire mesh stacked structure.

Specifically, as shown in fig. 1, the rock wool layer 11 is disposed on the inner wall of the box body 10, so that static electricity generated inside the box body 10 can be avoided, and the storage safety of fireworks and crackers is improved.

As shown in fig. 1 and 3, a plastic plate 12 is disposed in the middle of the box body 10, and the plastic plate 12 is inserted into a placing groove formed in the inner wall of the box body 10, so that the plastic plate 12 is placed on the inner wall of the box body 10 in a layered manner, and fireworks and crackers are placed on the plastic plate 12 in a layered manner.

Specifically, as shown in fig. 4, the aperture of the air hole gradually decreases from the inside to the outside of the enclosure mechanism 13, so that the air inside the box 10 can be discharged conveniently, and the difficulty of dust outside the box 10 entering the box 10 can be improved.

For the specific structure of the pressure relief assembly 30, as shown in fig. 1 and 2, the pressure relief assembly 30 includes a return spring 31 and a cover plate 32, an end portion of the cover plate 32 extends downward along a direction perpendicular to a lower end surface thereof, and an inner side wall of the cover plate 32 is attached to an outer wall of the enclosure mechanism 13; one end of the return spring 31 is fixed to a lower end surface of the end of the cover plate 32, and the other end is fixed to an upper end surface of the case 10, so that the cover plate 32 can move in a vertical direction.

This kind of structural design, when not exploding in box 10, reset spring 31 connects apron 32 on box 10, and the inside wall of apron 32 with enclose the outer wall laminating that keeps off mechanism 13, can shelter from enclosing fender mechanism 13, thereby reach waterproof effect, when exploding in box 10, the inside atmospheric pressure of box 10 increases, gas shock apron 32, make apron 32 jack-up, gaseous in box 10 is rapid when having solved the fireworks and crackers emergence explosion in the box by the opening discharge, the unable timely discharge of a large amount of gas, lead to inside atmospheric pressure to increase, cause the problem of secondary explosion easily, at this moment, reset spring 31 atress is tensile, when box 10 inside atmospheric pressure reduces to atmospheric pressure gradually, apron 32 contacts with enclosing fender mechanism 13 once more, thereby reached convenient effect of using repeatedly.

As for the specific structure of the cover plate 32, as shown in fig. 4, the cover plate 32 includes an asbestos fiber layer 321, corrugated irons 322, a composite sandwich plate 323 and a steel purlin plate 324, and the asbestos fiber layer 321, the corrugated irons 322 and the composite sandwich plate 323 are sequentially laid and fixed on the steel purlin plate 324 from bottom to top, so that the cover plate 32 has good fireproof performance, and meanwhile, the dead weight of the cover plate 32 is reduced, and the cover plate 32 is convenient to be pressed and bounced.

From the above description, it can be seen that the working principle of the above-mentioned embodiments of the present invention is as follows: firstly, fireworks and crackers are placed in the box body 10, the box door 20 is closed, the box door 20 and the box body 10 are locked by the locking mechanism, then, air holes are formed in the side wall of the enclosing and blocking mechanism 13 and are communicated with the through holes through the air holes, so that the air in the box body 10 can be exchanged with the outside air, the temperature in the box body 10 can not be obviously increased in the transportation process, subsequently, when the box body 10 is not exploded, the cover plate 32 is connected onto the box body 10 by the reset spring 31, the inner side wall of the cover plate 32 is attached to the outer wall of the enclosing and blocking mechanism 13, the enclosing and blocking mechanism 13 can be blocked, when the box body 10 is exploded, the air pressure in the box body 10 is increased, the cover plate 32 is impacted by the air, the cover plate 32 is jacked, the air in the box body 10 is rapidly communicated through the through holes, at the moment, the reset spring 31 is stressed and stretched, when, the cover plate 32 is again in contact with the enclosure means 13.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof safe storage box of fireworks and crackers, includes box (10), chamber door (20) and pressure release subassembly (30), box (10) with chamber door (20) are the steel material, chamber door (20) and box (10) hinged joint, just be provided with locking mechanism on chamber door (20), so that chamber door (20) can lock on box (10), its characterized in that:

the upper end face of the box body (10) is provided with a surrounding mechanism (13) formed by sequentially welding a plurality of side steel plates end to end, a through hole formed in the middle of the surrounding mechanism (13) is communicated with the interior of the box body (10), and the side wall of the surrounding mechanism (13) is provided with an air hole communicated with the through hole;

a folding shutter (14) and a breathable explosion-proof layer (15) are sequentially arranged in the through hole from bottom to top, the folding shutter (14) is fixed on the inner wall of the box body (10), and the breathable explosion-proof layer (15) is fixed on the inner wall side of the enclosure mechanism (13);

the middle of the lower end face of the pressure relief assembly (30) is in contact with the upper end face of the enclosing and blocking mechanism (13), the two sides of the lower end face are fixed on the upper end face of the box body (10), and the pressure relief assembly (30) can stretch out and draw back in the vertical direction.

2. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 1, wherein: and a rock wool layer (11) is arranged on the inner wall of the box body (10).

3. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 1, wherein: the plastic plate (12) is arranged in the middle of the box body (10), and the plastic plate (12) is inserted into a placing groove formed in the inner wall of the box body (10) so as to be abutted against the inner wall of the box body (10).

4. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 1, wherein: the aperture of the air holes is gradually reduced from the inner side to the outer side of the enclosing and blocking mechanism (13).

5. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 1, wherein: the pressure relief assembly (30) comprises a return spring (31) and a cover plate (32), the end part of the cover plate (32) extends downwards along the direction vertical to the lower end face of the cover plate, and the inner side wall of the cover plate (32) is attached to the outer wall of the enclosure mechanism (13);

one end of the return spring (31) is fixed on the lower end face of the end part of the cover plate (32), and the other end of the return spring is fixed on the upper end face of the box body (10), so that the cover plate (32) can move in the vertical direction.

6. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 5, wherein: the cover plate (32) comprises an asbestos fiber layer (321), corrugated irons (322), a composite sandwich plate (323) and a steel purlin plate (324), wherein the asbestos fiber layer (321), the corrugated irons (322) and the composite sandwich plate (323) are sequentially paved and fixed on the steel purlin plate (324) from bottom to top.

7. The anti-explosion safe storage and transportation box for fireworks and crackers as claimed in claim 1, wherein: the breathable explosion-proof layer (15) is of a multilayer iron wire net stacking structure.