CN213550740U - Flame-retardant bar chair - Google Patents

Abstract

The utility model provides a flame-retardant bar chair, which comprises a chair seat, a seat rod and a base, wherein one end of the seat rod is connected with the chair seat, the other end of the seat rod is connected with the base, the chair seat comprises a flame-retardant density plate, and one end of the flame-retardant density plate is bent outwards to form an inclined chair back; the surfaces of the flame-retardant density boards except the bottom parts are all wrapped with flame-retardant sponge layers, and the surfaces of the flame-retardant sponge layers are wrapped with Kevlar fiber layers; the bottom of the chair seat is also provided with a fire extinguishing box. The utility model discloses a seat support main part adopts fire-retardant density board material, and the outside parcel of fire-retardant density board has fire-retardant sponge layer, and the seat support is difficult for burning formation naked light in the conflagration, can not hinder people to flee in narrow and small inclosed place, can effectively reduce the injures and deaths in the fire incident.

Description

Flame-retardant bar chair

Technical Field

The utility model relates to the field of furniture, especially, relate to a fire-retardant bar chair.

Background

The bar chair is mainly used in narrow closed places such as bars, tea restaurants, coffee houses and the like. In the prior art, the bar chairs are various, but the basic structure of the bar chair is composed of an upper chair seat, a middle chair leg and a lower base, wherein the chair seat is made of ABS engineering plastics mostly. When a fire disaster happens, the bar chair made of ABS engineering plastic materials is flammable, the fire is easy to spread to an adjacent area, harmful gas can be released after the fire disaster happens, and people can be hindered from escaping in a narrow and closed place by hot flame, high-strength temperature and the toxic gas released after the fire disaster, so that casualties are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fire-retardant bar chair, the bar chair of adopting ABS engineering plastics material to fire in order to solve among the prior art, can hinder people when the conflagration takes place to flee in narrow and small inclosed place, causes the problem of casualties easily.

The utility model discloses a realize through following technical scheme:

a flame-retardant bar chair comprises a chair seat, a seat rod and a base, wherein one end of the seat rod is connected with the chair seat, the other end of the seat rod is connected with the base, the chair seat comprises a flame-retardant density plate, and one end of the flame-retardant density plate is bent outwards to form an inclined chair back; the surfaces of the flame-retardant density boards except the bottom parts are all wrapped with flame-retardant sponge layers, and the surfaces of the flame-retardant sponge layers are wrapped with Kevlar fiber layers; the bottom of the chair seat is also provided with a fire extinguishing box.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

1. the chair seat main body is made of a flame-retardant density plate material, and a flame-retardant sponge layer is wrapped outside the flame-retardant density plate, so that the chair seat is not easy to burn to form open fire in a fire disaster, people can not be hindered from escaping in a narrow and closed place, and casualties in fire accidents can be effectively reduced;

2. the Kevlar fiber layer wrapped outside the flame-retardant sponge layer enables the chair seat to be more stable in fire and to be more difficult to burn, and the Kevlar fiber layer can improve the wear resistance of the chair seat and prolong the service life of the chair seat.

Drawings

Fig. 1 is an overall front view of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a seat in an embodiment of the present invention;

fig. 3 is a schematic perspective view of a connecting seat in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a fire extinguishing box according to an embodiment of the present invention.

The reference numbers are as follows:

1. a chair seat; 11. a flame retardant density board; 12. a flame retardant sponge layer; 13. a Kevlar fiber layer; 14. a flame retardant coating layer; 2. a connecting seat; 21. a top plate; 22. a sleeve; 23. a first mounting hole; 3. a seat post; 4. a base; 5. a fire extinguishing box; 51. a box body; 52. a seal ring; 53. a partition plate; 54. a first through hole; 55. a heat-sensitive wire; 56. mounting a plate; 57. a second mounting hole; 58. a second through hole; 6. a first cavity; 7. a second cavity; 8. and a third cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, the flame-retardant bar chair comprises a chair seat 1, a seat rod 3 and a base 4, wherein one end of the seat rod 3 is connected with the chair seat 1, the other end of the seat rod is connected with the base 4, the chair seat 1 comprises a flame-retardant density plate 11, and one end of the flame-retardant density plate 11 is bent outwards to form an inclined chair back; the surfaces of the flame-retardant density boards 11 except the bottom parts are all wrapped with flame-retardant sponge layers 12, and the surfaces of the flame-retardant sponge layers 12 are wrapped with Kevlar fiber layers 13; the bottom of the chair seat 1 is also provided with a fire extinguishing box 5. In this embodiment, the flame-retardant density board 11, the flame-retardant sponge layer 12, and the kevlar fiber layer 13 are bonded and fixed by flame-retardant glue, wherein the flame-retardant glue is an inorganic polymer adhesive prepared by polymerizing inorganic raw materials such as aluminum phosphate, magnesium silicate, sodium silicate, a fire retardant, an inorganic polymer polymerization agent, and the like at high temperature and high pressure, and has good flame retardancy and self-extinguishing property. In this embodiment, the flame-retardant density board 11 is a flame-retardant density board having a combustion performance rating of B1. The flame-retardant density board 11, the flame-retardant sponge layer 12 and the Kevlar fiber layer 13 are all the prior art, and the flame-retardant density board 11 has good physical and mechanical properties and processability, can be made into boards with different thicknesses and has flame-retardant property, so that the flame-retardant density board can be used as a main body bearing part of the chair seat 1; the flame-retardant sponge layer 12 is wrapped on the flame-retardant density board 11, so that the chair seat 1 is more comfortable, the flame-retardant sponge layer 12 can absorb heat at or close to a firing temperature and decompose into incombustible substances, and open flames can not be generated during combustion, so that the flame-retardant sponge layer can be used as a filler in the middle of the chair seat 1; the Kevlar fiber layer 13 has heat resistance, flame retardance, high abrasion resistance and high tear resistance, and therefore can be used as a surface layer wrapping object of the seat 1, not only can the seat 1 be difficult to burn in a fire disaster, but also the daily service life of the seat 1 can be ensured to be long enough.

As shown in fig. 1, 2 and 4, the top of the fire extinguishing box 5 is fixed at the bottom of the fire-retardant density plate 11, the fire extinguishing box 5 includes a box body 51 with an opening at the top, a partition plate 53 is arranged in the box body 51, the partition plate 53 divides the interior of the box body 51 into three parts, which are a first cavity 6, a second cavity 7 and a third cavity 8 in sequence, second through holes 58 are arranged on both side walls of the box body 51, the first cavity 6 and the third cavity 8 are respectively communicated with the outside through the second through holes 58, films are adhered to the outer sides of the second through holes 58 and the top of the box body 51, and the box body 51 is sealed by the films, wherein the partition plate 53 and the films in the embodiment are made of fire-retardant PET films, so that the fire extinguishing box 5 is not easy to be burned by flames in a fire; a first through hole 54 is formed in the side wall of the box body 51 close to the second cavity 7, and the second cavity 7 is communicated with the outside through the first through hole 54; be equipped with the gas production agent in the second cavity 7, all be equipped with fire extinguishing agent in first cavity 6 and the third cavity 8, in this embodiment, the gas production agent chooses for use sodium azide, and the fire extinguishing agent chooses for use dry powder fire extinguishing agent. The gas generating agent is internally connected with a heat-sensitive wire 55, and the other end of the heat-sensitive wire 55 extends out of the box body 51 through the first through hole 54 and is fixed on the outer wall of the box body 51. The heat-sensitive wire 55 is prior art, and in specific environment, when the fire extinguishing apparatus needs to be started quickly, the fire signal is transmitted to the fire extinguishing apparatus quickly through the heat-sensitive wire, the fire extinguishing apparatus releases the fire extinguishing agent to extinguish the fire, the heat-sensitive wire can be started singly, and can be linked more than once. When a fire disaster happens, the heat-sensitive wire 55 detonates sodium azide in the second cavity 7, the sodium azide explodes to generate a large amount of gas, breaks through the partition plate 53 and enters the first cavity 6 and the third cavity 8, and then the dry powder extinguishing agent in the first cavity 6 and the third cavity 8 breaks through the film covered on the second through hole 58 and is diffused to the outside, so that the function of extinguishing the surrounding area of the bar chair is realized.

As shown in fig. 1, 2 and 4, the two side walls of the box body 51 far away from the second through hole 58 are respectively provided with a mounting plate 56, the mounting plates 56 and the top end of the box body 51 are located on the same plane, the mounting plates 56 are provided with second mounting holes 57, and the box body 51 is connected to the bottom of the flame-retardant density plate 11 through the second mounting holes 57 by bolts, so that the top of the box body 51 is attached to the bottom of the flame-retardant density plate 11. The fire extinguishing box 5 is detachably connected with the chair seat 1 through the mounting plate 56, and is convenient to overhaul and maintain.

As shown in fig. 2 and 4, a sealing ring 52 is provided between the top of the box body 51 and the bottom of the fire-retardant density plate 11. The sealing ring 52 can improve the air tightness of the box body 51 and prevent the fire extinguishing agent inside the box body from being affected with damp and losing efficacy.

As shown in fig. 1 and 3, a connecting seat 2 is arranged at the bottom of a seat 1, the seat 1 is connected with a seat rod 3 through the connecting seat 2, the connecting seat 2 comprises a top plate 21 and a sleeve 22 fixed on the top plate 21, a first mounting hole 23 is arranged on the top plate 21, the top plate 21 is connected to the bottom of the flame-retardant density plate 11 through the first mounting hole 23 by a bolt, and one end of the seat rod 3 is sleeved and fixed in the sleeve 22. The seat rod 3 is detachably connected with the seat 1, so that the bar chair can be conveniently disassembled and transported in the transportation process.

As shown in fig. 1 and 3, the sleeve 22 has an internal thread inside, and the seat post 3 has a matching external thread at one end. The design of the internal thread enables the seat post 3 and the sleeve 22 to be connected and installed more conveniently and quickly, and the installation can be completed without tools.

As shown in fig. 2, the kevlar fiber layer 13 is externally sprayed with a flame retardant coating layer 14. The flame retardant coating layer 14 is a protective material generally used as a combustible substrate in the prior art, has certain decoration and fire resistance, and can make the chair seat 1 more beautiful on the basis of fire resistance.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The flame-retardant bar chair comprises a chair seat (1), a seat rod (3) and a base (4), wherein one end of the seat rod (3) is connected with the chair seat (1), and the other end of the seat rod is connected with the base (4), and is characterized in that the chair seat (1) comprises a flame-retardant density plate (11), and one end of the flame-retardant density plate (11) is bent outwards to form an inclined chair back; the surface of the flame-retardant density board (11) except the bottom is wrapped with a flame-retardant sponge layer (12), and the surface of the flame-retardant sponge layer (12) is wrapped with a Kevlar fiber layer (13); the bottom of the chair seat (1) is also provided with a fire extinguishing box (5).

2. The fire-retardant bar chair according to claim 1, wherein the top of the fire-retardant box (5) is fixed at the bottom of the fire-retardant density board (11), the fire-retardant box (5) comprises a box body (51) with an opening at the top, a partition plate (53) is arranged in the box body (51), the inside of the box body (51) is divided into three parts by the partition plate (53), a first cavity (6), a second cavity (7) and a third cavity (8) are sequentially arranged, second through holes (58) are respectively arranged on two side walls of the box body (51), the first cavity (6) and the third cavity (8) are respectively communicated with the outside by the two second through holes (58), and films are respectively bonded on the outer side of the second through holes (58) and the top of the box body (51) and seal the box body (51); a first through hole (54) is formed in the side wall, close to the second cavity (7), of the box body (51), and the second cavity (7) is communicated with the outside through the first through hole (54);

a gas generating agent is arranged in the second cavity (7), and fire extinguishing agents are arranged in the first cavity (6) and the third cavity (8); the gas generating agent is internally connected with a thermosensitive wire (55), and the other end of the thermosensitive wire (55) extends out of the box body (51) through the first through hole (54) and is fixed on the outer wall of the box body (51).

3. The fire retardant bar chair according to claim 2, wherein the box (51) is provided with mounting plates (56) on two side walls far away from the second through hole (58), the mounting plates (56) and the top end of the box (51) are located on the same plane, the mounting plates (56) are provided with second mounting holes (57), the box (51) is connected to the bottom of the fire retardant density plate (11) through the second mounting holes (57) by bolts, so that the top of the box (51) is attached to the bottom of the fire retardant density plate (11).

4. A fire retardant bar chair according to claim 3 wherein a sealing ring (52) is provided between the top of the box (51) and the bottom of the fire retardant density board (11).

5. The flame-retardant bar chair is characterized in that a connecting seat (2) is arranged at the bottom of the chair seat (1), the chair seat (1) and the seat rod (3) are connected through the connecting seat (2), the connecting seat (2) comprises a top plate (21) and a sleeve (22) fixed on the top plate (21), a first mounting hole (23) is formed in the top plate (21), the top plate (21) is connected to the bottom of the flame-retardant density plate (11) through the first mounting hole (23) in a bolt mode, and one end of the seat rod (3) is fixedly sleeved in the sleeve (22).

6. A fire retardant bar chair as claimed in claim 5, wherein the sleeve (22) is internally threaded and the seat post (3) is externally threaded at one end.

7. A fire retardant bar chair according to claim 1 wherein the kevlar fabric layer (13) is coated with a fire retardant coating (14) on the outside.

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