CN213370208U - Anti-seismic mechanism of fire-fighting helmet - Google Patents

Abstract

The utility model relates to the technical field of helmets, and discloses a fire helmet anti-seismic mechanism, which comprises a fire helmet, a primary buffer component and a secondary buffer component, wherein the primary buffer component is wrapped on the surface of the fire helmet, the outer contour of the primary buffer component is the same as that of the fire helmet, the secondary buffer component is arranged on the inner wall surface of the fire helmet, and the inner contour of the secondary buffer component is the same as that of the fire helmet; the utility model discloses a set up the one-level buffer layer on fire helmet surface, the buffer layer is filled non-Newton fluid, and the buffering fire helmet receives external impact, through setting up the second grade buffer layer in that the fire helmet is inside, the second grade buffer layer comprises the cushion of elasticity nylon cover and honeycomb structure, and the relative stress of human head and fire helmet under the buffering external force collision condition has solved the not enough of prior art.

Description

Anti-seismic mechanism of fire-fighting helmet

Technical Field

The utility model relates to a helmet technical field specifically is a fire helmet antidetonation mechanism.

Background

The fire-fighting helmet is an indispensable component in fire-fighting equipment, the main function of the fire-fighting helmet is to protect the head of a fireman, and along with the development of science and technology, the protection force and the adaptability of the old-fashioned helmet cannot meet the requirements of modern fire-fighting work. Old-fashioned fire control helmet shock attenuation effect is relatively poor, can take place to collapse often at the scene of a fire, has the heavy object to fall down and smashes middle fire fighter's head sometimes, can cause internal injury to the head after receiving the heavy impact.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire helmet antidetonation mechanism has anti-collision, antidetonation characteristics, and through setting up the one-level buffer layer on fire helmet surface, non-newton fluid is filled to the buffer layer, and the buffering fire helmet receives external impact, through at the inside second grade buffer layer that sets up of fire helmet, the second grade buffer layer comprises the cushion of elasticity nylon cover and honeycomb structure, buffers the relative stress of human head and fire helmet under the external force collision condition, has solved the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-seismic mechanism of a fire-fighting helmet comprises the fire-fighting helmet, a primary buffer component and a secondary buffer component, wherein the primary buffer component is wrapped on the surface of the fire-fighting helmet, the external profiles of the primary buffer component and the fire-fighting helmet are the same, the secondary buffer component is arranged on the inner wall surface of the fire-fighting helmet, and the internal profiles of the secondary buffer component and the fire-fighting helmet are the same;

the primary buffer assembly comprises a primary buffer layer, a groove, an anti-slip column, a spring sleeve, a fixed table, a first fixed sheet and a second fixed sheet; a groove is formed in the primary buffer layer, an anti-slip column is arranged in the groove and is in an I shape, a spring sleeve is arranged right below the anti-slip column, the anti-slip column is sleeved in the spring sleeve, a spring with the diameter smaller than the diameter of the bottom of the anti-slip column is arranged in the spring sleeve, a fixed table is arranged right below the spring sleeve, the spring sleeve is fixedly connected with the fixed table, the fixed table is fixedly connected with a fire helmet, and a first fixed plate and a second fixed plate are arranged on the left side edge and the right side edge of the primary buffer layer;

the outer sides of the shell on the left side and the right side of the fire fighting helmet shell are provided with a third fixing sheet and a fourth fixing sheet;

the secondary buffer assembly comprises a secondary buffer layer, a tertiary buffer layer, a fifth fixing sheet and a sixth fixing sheet, the tertiary buffer layer is wrapped on the surface of the secondary buffer layer, the secondary buffer layer is attached to the tertiary buffer layer, and the fifth fixing sheet and the sixth fixing sheet are arranged on the left side and the right side of the buffer layer;

first stationary blade, fifth stationary blade and third stationary blade fixed connection, second stationary blade and fourth stationary blade fixed connection, sixth stationary blade and fire helmet inner wall fixed connection.

Furthermore, the primary buffer layer is made of high-elasticity rubber, the interior of the primary buffer layer is hollow, and the hollow part is filled with non-Newtonian fluid.

Further, the second grade buffer layer adopts the nylon material, and tertiary buffer layer adopts rubber material and tertiary buffer layer to constitute with honeycomb structure integrated into one piece by a plurality of regular hexagon rubber sleeve.

Furthermore, be provided with many buffer posts in the middle of second grade buffering subassembly and the fire helmet, the buffer post is antidetonation gas post.

The utility model has the advantages that:

(1) the utility model discloses a set up inside filling non-Newtonian fluidic one-level buffer layer, non-Newtonian fluidic characteristic, when the fire helmet received outside proruption collision force, the intraformational non-Newtonian fluid of one-level buffer at first cushions the collision force, and the spring buffering one-level buffer layer in the spring sleeve under the one-level buffer layer releases the stress for the fire helmet when colliding, reduces the vibrations power that produces when the fire helmet received external force collision fire helmet and collision release force unit collision.

(2) The utility model discloses a set up second grade buffering subassembly, the human head of two tertiary buffer layers laminating of the nylon material of second grade buffering subassembly, when the fire helmet received the external force of certain direction, the second grade buffer layer of nylon material takes place to warp to the stress point, the vibrations power that takes place when eliminating the collision, the stress that takes place when the atress between head and the fire helmet is further eliminated to the tertiary buffer layer of rubber material of the hexagon honeycomb shape of second grade buffer layer surface laminating, the vibrations power that human head and fire helmet collision produced when reducing the fire helmet and receiving external force.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of an anti-seismic mechanism of a fire-fighting helmet of the present invention;

FIG. 2 is a schematic view of the connection between the primary buffer assembly and the secondary buffer assembly of the anti-seismic mechanism of the fire helmet of the present invention and the fire helmet;

FIG. 3 is an enlarged view of part A of the present invention;

figure 4 is the utility model discloses a second grade buffering subassembly sketch map of fire helmet antidetonation mechanism.

Reference numbers in the figures: 1. a first-level buffer assembly; 11. a first-level buffer layer; 12. a first fixing sheet; 13. a second fixing sheet; 14. a groove; 15. an anti-slip column; 16. a spring sleeve; 17. a spring; 18. a fixed table; 2. a fire-fighting helmet; 21. a third fixing sheet; 22. a fourth fixing sheet; 3. a secondary buffer component; 31. a fifth fixing sheet; 32. a third buffer layer; 33. a sixth fixing sheet; 34. and a secondary buffer layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1-4: an anti-seismic mechanism of a fire-fighting helmet comprises a fire-fighting helmet 2, a primary buffer component 1 and a secondary buffer component 3, wherein the primary buffer component 1 is wrapped on the surface of the fire-fighting helmet 2, the external profiles of the primary buffer component 1 and the fire-fighting helmet 2 are the same, the secondary buffer component 3 is arranged on the surface of the inner wall of the fire-fighting helmet 1, and the internal profiles of the secondary buffer component 3 and the fire-fighting helmet 1 are the same;

the primary buffer assembly 1 comprises a primary buffer layer 11, a groove 14, an anti-slip column 15, a spring 17, a spring sleeve 16, a fixed platform 18, a first fixed plate 12 and a second fixed plate 13; a groove 14 is formed in the primary buffer layer 11, an anti-skid column 15 is arranged in the groove 14, the anti-skid column 15 is in an I shape, a spring sleeve 16 is arranged under the anti-skid column 15, the anti-skid column 15 is sleeved in the spring sleeve 16, a spring 17 with the diameter smaller than that of the bottom of the anti-skid column 15 is arranged in the spring sleeve 16, a fixed table 18 is arranged under the spring sleeve 16, the spring sleeve 16 is fixedly connected with the fixed table 18, the fixed table 18 is fixedly connected with the fire-fighting helmet 2, and a first fixed sheet 12 and a second fixed sheet 13 are arranged on the left side edge and the right side edge of the primary buffer;

the outer sides of the shell at the left side and the right side of the shell of the fire fighting helmet 2 are provided with a third fixing sheet 21 and a fourth fixing sheet 22;

the secondary buffer assembly 3 comprises a secondary buffer layer 34, a tertiary buffer layer 32, a fifth fixing sheet 31 and a sixth fixing sheet 34, the tertiary buffer layer 32 is wrapped on the surface of the secondary buffer layer 34, the secondary buffer layer 34 is attached to the tertiary buffer layer 32, and the fifth fixing sheet 31 and the sixth fixing sheet 34 are arranged on the left side and the right side of the buffer layer;

the first fixing plate 12, the fifth fixing plate 31 and the third fixing plate 21 are fixedly connected, the second fixing plate 13 and the fourth fixing plate 22 are fixedly connected, and the sixth fixing plate 34 and the inner wall of the fire-fighting helmet 2 are fixedly connected.

The primary buffer layer 11 is made of high-elasticity rubber, the interior of the primary buffer layer 11 is hollow, and the hollow part is filled with non-Newtonian fluid.

When the first-level buffer layer 11 made of high-elasticity rubber receives external collision force, the body of the first-level buffer layer 11 buffers the collision force and reduces vibration, and the non-Newtonian fluid filled in the buffer layer eliminates the collision force on one hand and protects the first-level buffer layer 11 on the other hand to avoid the first-level buffer layer 11 from being broken.

Second grade buffer layer 34 adopts the nylon material, and tertiary buffer layer 32 adopts the rubber material and tertiary buffer layer 32 comprises a plurality of regular hexagon rubber sleeves with honeycomb structure form integrated into one piece.

The human head of second grade buffer layer 34 laminating of nylon materials receives external force collision as the helmet, and second grade buffer layer 34 atress warp, eliminates external force, reduces the vibrations external force that the head received, and tertiary buffer layer 32 honeycomb structural design has stronger shock resistance, reduces the vibrations power that the head produced when the 2 atress of fire helmet once more.

And a plurality of buffer columns are arranged between the secondary buffer component 3 and the fire-fighting helmet 2, and the buffer columns are anti-seismic air columns.

Buffer column cushions the relative force between second grade buffer unit 3 and the fire helmet 2, and the buffer column provides the deformation space for second grade buffer unit 3 simultaneously.

The utility model discloses a theory of operation: when the fire-fighting helmet 2 is collided by external force, the first-level buffer layer 11 generates deformation to eliminate partial stress due to the material, the non-Newtonian fluid in the first-level buffer layer 11 eliminates the collision force generated at the moment of collision and slowly offsets the collision force, the spring 17 in the spring sleeve 16 under the first-level buffer layer 11 eliminates the force released by partial collision foreign objects to the first-level buffer layer 11, the first-level buffer layer 11 is prevented from colliding with the fire-fighting helmet 2 when the instant collision occurs, the vibration of the fire-fighting helmet 2 is reduced, the second-level buffer layer 34 in the second-level buffer component 3 in the fire-fighting helmet 2 is attached to the head of a human body and deforms due to the collision of the external force, the head of the human body is prevented from colliding with the fire-fighting helmet 2 to generate the vibration force, the third-level buffer layer 32, avoid collision caused by local stress.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a fire helmet antidetonation mechanism which characterized in that: the fire-fighting helmet comprises a fire-fighting helmet (2), a primary buffering component (1) and a secondary buffering component (3), wherein the primary buffering component (1) wraps the surface of the fire-fighting helmet (2), the external profiles of the primary buffering component (1) and the fire-fighting helmet (2) are the same, the secondary buffering component (3) is arranged on the surface of the inner wall of the fire-fighting helmet (2), and the internal profiles of the secondary buffering component (3) and the fire-fighting helmet (2) are the same;

the primary buffer assembly (1) comprises a primary buffer layer (11), a groove (14), an anti-slip column (15), a spring (17), a spring sleeve (16), a fixed table (18), a first fixed plate (12) and a second fixed plate (13); a groove (14) is formed in the primary buffer layer (11), an anti-slip column (15) is arranged in the groove (14), the anti-slip column (15) is in an I shape, a spring sleeve (16) is arranged under the anti-slip column (15), the anti-slip column (15) is sleeved in the spring sleeve (16), a spring (17) with the diameter smaller than the diameter of the bottom of the anti-slip column (15) is arranged in the spring sleeve (16), a fixed table (18) is arranged under the spring sleeve (16), the spring sleeve (16) is fixedly connected with the fixed table (18), the fixed table (18) is fixedly connected with the fire-fighting helmet (2), and a first fixed plate (12) and a second fixed plate (13) are arranged on the left side edge and the right side edge of the primary buffer layer (11);

the outer sides of the shell at the left side and the right side of the shell of the fire-fighting helmet (2) are provided with a third fixing sheet (21) and a fourth fixing sheet (22);

the secondary buffer assembly comprises a secondary buffer layer (34) and a tertiary buffer layer (32), a fifth fixing sheet (31) and a sixth fixing sheet (33), the tertiary buffer layer (32) is wrapped on the surface of the secondary buffer layer (34), the secondary buffer layer (34) is attached to the tertiary buffer layer (32), and the fifth fixing sheet (31) and the sixth fixing sheet (33) are arranged on the left side and the right side of the buffer layer;

the first fixing plate (12), the fifth fixing plate (31) and the third fixing plate (21) are fixedly connected, the second fixing plate (13) and the fourth fixing plate (22) are fixedly connected, and the sixth fixing plate (33) and the inner wall of the fire-fighting helmet (2) are fixedly connected.

2. The anti-seismic mechanism of a fire-fighting helmet as defined in claim 1, wherein: the primary buffer layer (11) is made of high-elasticity rubber, the interior of the primary buffer layer (11) is hollow, and the hollow part is filled with non-Newtonian fluid.

3. The anti-seismic mechanism of a fire-fighting helmet as defined in claim 1, wherein: second grade buffer layer (34) adopt the nylon material, and tertiary buffer layer (32) adopt rubber material and tertiary buffer layer (32) comprise a plurality of regular hexagon rubber sleeves with honeycomb structure integrated into one piece.

4. The anti-seismic mechanism of a fire-fighting helmet as defined in claim 1, wherein: and a plurality of buffer columns are arranged between the secondary buffer component (3) and the fire-fighting helmet (2), and the buffer columns are anti-seismic air columns.

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