CN219438300U - Protection mechanism of fire-fighting helmet - Google Patents

Abstract

The utility model discloses a protection mechanism of a fire-fighting helmet, which comprises a helmet body and an anti-vibration part for protecting the head of a wearer, wherein the anti-vibration part comprises a plurality of grooves formed in the inner side of the helmet body and circumferentially arranged, an energy absorption ring arranged on the inner side of the grooves, a support rod arranged on one side of the energy absorption ring, a liner arranged on one side of the plurality of support rods and a protection pad arranged on the inner side of the liner.

Description

Protection mechanism of fire-fighting helmet

Technical Field

The utility model relates to the technical field of helmets, in particular to a protection mechanism of a fire-fighting helmet.

Background

The fire-fighting helmet is composed of a helmet shell, a face mask, a cape, a buffer layer and the like, is novel in design, has the performances of sharp article impact prevention, corrosion resistance, heat radiation prevention, light reflection, insulation, portability and the like, can be worn with an air respirator and a wireless communication system, has obvious light reflection marks, is poor in shock absorption effect, can collapse frequently in a fire scene, sometimes has the head of a firefighter in the process of falling and smashing heavy objects, can cause internal injury to the head after being subjected to heavy impact, and is simple in internal structure and poor in protection effect.

The prior patent CN213370208U discloses a fire-fighting helmet anti-seismic mechanism, which comprises a fire-fighting helmet, a primary buffer assembly and a secondary buffer assembly, wherein the primary buffer assembly is wrapped on the surface of the fire-fighting helmet, the external outline of the primary buffer assembly is the same as that of the fire-fighting helmet, the secondary buffer assembly is arranged on the surface of the inner wall of the fire-fighting helmet, and the internal outline of the secondary buffer assembly is the same as that of the fire-fighting helmet; according to the utility model, the first-stage buffer layer is arranged on the surface of the fire-fighting helmet, the buffer layer is filled with non-Newtonian fluid, the fire-fighting helmet is buffered against external collision force, the second-stage buffer layer is arranged in the fire-fighting helmet, the second-stage buffer layer consists of the elastic nylon sleeve and the honeycomb-structured elastic pad, and the corresponding force between the human head and the fire-fighting helmet under the condition of external collision is buffered, so that the defects in the prior art are overcome.

Based on the search of the above patent and the discovery of the fire-fighting helmet in combination with the prior art, when the fire-fighting helmet is used, although the fire-fighting helmet can resist smash, the non-newtonian fluid filled in the buffer layer has poor buffering effect when an object is impacted, so that external force is directly transmitted to the head of a firefighter, and the head still can feel excessive impact force to cause high pain or even damage, and therefore, the problem of the device is summarized as follows: the existing equipment cannot perform anti-shock protection on the head of a wearer, and the head of the wearer falls down or falls down to smash the head of the wearer, so that internal injury can be caused to the head when the equipment is seriously impacted, and the practicability of the equipment for performing anti-shock protection on the head of the wearer is affected.

Disclosure of Invention

The utility model aims to provide a protection mechanism of a fire-fighting helmet, which aims to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protection machanism of fire control helmet, includes the body of helmet and is used for carrying out the antidetonation part that protects to the person's head, its characterized in that: the anti-vibration component comprises a plurality of grooves formed in the inner side of the body in a circumferential arrangement, an energy absorption ring arranged on the inner side of the grooves, a support rod arranged on one side of the energy absorption ring, a liner arranged on one side of the plurality of support rods, a protection pad arranged on the inner side of the liner, a sliding groove formed in the inner side of the support rod, a support frame arranged on one side of the sliding groove, a guide rod arranged at the bottom of the support frame, a first spring sleeved on the outer side of the guide rod and a sliding rod arranged at one end of the support frame;

the support rod is connected with the sliding rod in a sliding mode, the support frame is corrugated, the first spring is fixedly connected with the support frame, and the support rod is connected with the groove in a sliding mode.

Preferably, an energy absorption cavity is formed in the inner side of the energy absorption ring, first elastic plates are respectively arranged on two sides of the energy absorption cavity, two second elastic plates are arranged between the two first elastic plates, and the sections of the first elastic plates and the second elastic plates are arc-shaped.

Preferably, a plurality of shrapnel which are uniformly arranged are arranged between the body and the inner container, the section of each shrapnel is Z-shaped, and the shrapnels and the grooves are arranged in a staggered mode.

Preferably, a second spring is sleeved at one end of the supporting rod and positioned outside the sliding rod.

Preferably, a plurality of massage rings are uniformly arranged on the inner side of the protection pad.

Preferably, the cross section of the groove is in a shape of a Chinese character 'tu', and the cross section of the supporting rod is in a shape of a Chinese character 'H'.

Preferably, the cross section of the sliding rod is H-shaped, and the cross section of the sliding groove is convex.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the support rod is in sliding connection with the sliding rod, the support rod is in a corrugated shape, the first spring is fixedly connected with the support rod, the support rod is in sliding connection with the groove, the protection pad in the inner container is attached to the head of a wearer, when the body is knocked by a heavy object or the wearer falls on the head, the distance between the inner container and the body changes, the sliding rod and the support rod slide, meanwhile, the support rod is supported by the support rod, the first spring supports the support rod, the energy absorption ring can absorb kinetic energy of the support rod, the compression resistance effect between the sliding rod and the support rod is increased, and the shock resistance protection effect and practicability of the body on the head of a human body are improved.

2. According to the utility model, through the energy absorption cavity, the first elastic plate and the second elastic plate, the sections of the first elastic plate and the second elastic plate are arc-shaped, the deformation degree of the energy absorption ring can be increased by the energy absorption cavity, and the first elastic plate can be supported by the second elastic plate, so that the compression resistance of the energy absorption cavity is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a left side cross-sectional view of the overall structure of the present utility model;

fig. 3 is an enlarged view of fig. 2 a of the overall structure of the present utility model.

In the figure: 1. a body; 11. a groove; 12. an energy absorbing ring; 13. a support rod; 14. an inner container; 15. a protective pad; 16. a sliding groove; 17. a support frame; 18. a guide rod; 19. a first spring; 20. a slide bar; 21. a spring plate; 22. a second spring; 121. an energy absorption cavity; 122. a first elastic plate; 123. a second elastic plate; 151. a massage ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the protection mechanism of the fire-fighting helmet provided by the embodiment of the utility model comprises a helmet body 1 and an anti-vibration component for protecting the head of a wearer, wherein the anti-vibration component comprises a plurality of grooves 11 which are circumferentially arranged on the inner side of the helmet body 1, an energy absorption ring 12 which is arranged on the inner side of the grooves 11, a support rod 13 which is arranged on one side of the energy absorption ring 12, an inner container 14 which is arranged on one side of the plurality of support rods 13, a protection pad 15 which is arranged on the inner side of the inner container 14, a sliding groove 16 which is arranged on the inner side of the support rod 13, a support frame 17 which is arranged on one side of the sliding groove 16, a guide rod 18 which is arranged at the bottom of the support frame 17, a first spring 19 which is sleeved on the outer side of the guide rod 18 and a sliding rod 20 which is arranged at one end of the support frame 17;

the support rod 13 is slidably connected with the sliding rod 20, the support frame 17 is bellows-shaped, the first spring 19 is fixedly connected with the support frame 17, and the support rod 13 is slidably connected with the groove 11.

Referring to fig. 3, an energy absorbing cavity 121 is formed inside the energy absorbing ring 12, two sides of the energy absorbing cavity 121 are respectively provided with a first elastic plate 122, two second elastic plates 123 are disposed between the two first elastic plates 122, and cross sections of the first elastic plates 122 and the second elastic plates 123 are arc-shaped.

The scheme is adopted: through energy-absorbing chamber 121, first elastic plate 122 and second elastic plate 123 cross-section are the arc, and energy-absorbing chamber 121 can increase the deformation degree of energy-absorbing ring 12, and second elastic plate 123 can support first elastic plate 122, improves the compressive resistance of energy-absorbing chamber 121.

Referring to fig. 3, a plurality of uniformly arranged elastic pieces 21 are disposed between the body 1 and the liner 14, the section of each elastic piece 21 is zigzag, and the elastic pieces 21 and the grooves 11 are staggered.

The scheme is adopted: through shell fragment 21, the shell fragment 21 cross-section is the zigzag, and shell fragment 21 and recess 11 dislocation arrangement, shell fragment 21 can support inner bag 14, improves the cushioning effect of body 1.

Referring to fig. 3, a second spring 22 is sleeved on one end of the support rod 13 and outside the sliding rod 20.

The scheme is adopted: by the second spring 22, the second spring 22 can support the slide rod 20, improving the compression resistance between the slide rod 20 and the support rod 13.

Referring to fig. 2, the inner side of the protection pad 15 is provided with a plurality of massage rings 151 uniformly arranged.

The scheme is adopted: by means of the massage ring 151, the massage ring 151 can be made to increase the comfort of the protection pad 15 fitting the wearer's head.

Referring to fig. 3, the cross section of the groove 11 is in a shape of a "convex", and the cross section of the supporting rod 13 is in a shape of an H.

The scheme is adopted: the cross section through recess 11 is "protruding" font, and bracing piece 13 cross section is the H font, can increase the area of contact of bracing piece 13 and inner bag 14, avoids bracing piece 13 to pass inner bag 14 and causes the injury to the wearer's head, and recess 11 can be spacing bracing piece 13, prevents that bracing piece 13 from breaking away from recess 11, improves the gliding stability of slide bar 20 in recess 11.

Referring to fig. 3, the cross section of the sliding rod 20 is H-shaped, and the cross section of the sliding groove 16 is "convex".

The scheme is adopted: through the H shape of the section of the sliding rod 20, the section of the sliding groove 16 is in a convex shape, the sliding rod 20 is limited in the sliding groove 16, the sliding rod 20 is prevented from being separated from the sliding groove 16, the section of the sliding rod 20 is in the H shape, the contact area between the sliding rod 20 and the body 1 can be increased, and the sliding rod 20 is prevented from penetrating through the body 1.

The working principle of the utility model is as follows:

firstly, protection pad 15 in inner bag 14 is laminated with the person's head, when body 1 receives the heavy object to beat or the person's of wearing falls the head, at this moment, take place the distance variation between inner bag 14 and the body 1, slide bar 20 and bracing piece 13 take place simultaneously, then slide bar 20 extrudees support frame 17, slide bar 20 extrudees second spring 22 simultaneously, because the effect is mutual, support frame 17 supports slide bar 20 simultaneously, first spring 19 supports support frame 17 simultaneously, at this moment energy-absorbing ring 12 absorbs the kinetic energy of bracing piece 13, energy-absorbing cavity 121 in the energy-absorbing ring 12 takes place the deformation simultaneously, second elastic plate 123 can support first elastic plate 122, then energy-absorbing ring 12 supports bracing piece 13, a plurality of shell fragments 21 carry out shock protection to the person's head that the inner bag 14 wrapped up simultaneously, avoid the head to be collided and cause the damage.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A protection mechanism for a fire protection helmet, comprising a body (1) of the helmet and an anti-seismic element for protecting the head of a wearer, characterized in that: the anti-vibration component comprises a plurality of grooves (11) formed in the inner circumference of the body (1), an energy absorption ring (12) arranged on the inner side of the grooves (11), a support rod (13) arranged on one side of the energy absorption ring (12), a liner (14) arranged on one side of the plurality of support rods (13), a protection pad (15) arranged on the inner side of the liner (14), a sliding groove (16) formed in the inner side of the support rod (13), a support frame (17) arranged on one side of the sliding groove (16), a guide rod (18) arranged at the bottom of the support frame (17), a first spring (19) sleeved on the outer side of the guide rod (18) and a sliding rod (20) arranged at one end of the support frame (17);

the support rod (13) is in sliding connection with the sliding rod (20), the support frame (17) is corrugated, the first spring (19) is fixedly connected with the support frame (17), and the support rod (13) is in sliding connection with the groove (11).

2. A protective mechanism for a fire protection helmet according to claim 1, wherein: energy-absorbing chamber (121) have been seted up to energy-absorbing ring (12) inboard, energy-absorbing chamber (121) both sides are equipped with first elastic plate (122) respectively, two be equipped with two second elastic plate (123) between first elastic plate (122), first elastic plate (122) and second elastic plate (123) cross-section are the arc.

3. A protective mechanism for a fire protection helmet according to claim 1, wherein: a plurality of elastic pieces (21) which are uniformly arranged are arranged between the body (1) and the inner container (14), the section of each elastic piece (21) is Z-shaped, and the elastic pieces (21) and the grooves (11) are arranged in a staggered mode.

4. A protective mechanism for a fire protection helmet according to claim 1, wherein: one end of the supporting rod (13) is sleeved with a second spring (22) which is positioned outside the sliding rod (20).

5. A protective mechanism for a fire protection helmet according to claim 1, wherein: a plurality of massage rings (151) which are uniformly arranged are arranged on the inner side of the protection pad (15).

6. A protective mechanism for a fire protection helmet according to claim 1, wherein: the cross section of the groove (11) is in a shape of a Chinese character 'tu', and the cross section of the supporting rod (13) is in a shape of a Chinese character 'H'.

7. A protective mechanism for a fire protection helmet according to claim 1, wherein: the cross sections of the sliding rods (20) are H-shaped, and the cross sections of the sliding grooves (16) are convex.