CN116473323A - Helmet - Google Patents

Abstract

The present disclosure relates to a helmet that includes a shell, a liner, and a moveable member. The lining is arranged on the inner side of the shell, the inner surface of the lining is used for being attached to the head of a human body, the lining comprises a fixed part and a movable part, the fixed part is connected with the shell, and the movable part and the shell can rotate and displace. The movable piece comprises a sliding sheet and a rotating part. The slide is attached to the outer surface of the movable portion of the liner. The rotating part is rotatably connected to the shell, at least part of the rotating part protrudes out of the inner surface of the shell, a plurality of rotating parts are distributed at intervals, and the rotating parts can contact the sliding sheets and rotate so as to reduce the resistance of the rotating displacement of the movable part and the shell. The device is more beneficial to the rotation of the shell, counteracts more energy generated by tangential impact force, can greatly slow down the impact on the head of a human body, reduces the amplitude and the speed of neck twisting when the head is subjected to the tangential impact force, and improves the protectiveness of the helmet.

Description

Helmet

Technical Field

The present disclosure relates to the field of head gear, and in particular, to a helmet.

Background

Helmets are protective gear for protecting the head, generally comprising a shell for preventing penetration of a rigid shell, so as to resist damage to the head by foreign objects, and a lining disposed inside the shell, which is mainly used for improving the protective performance and wearing comfort of the helmet.

The existing helmets can effectively reduce the damage to the head of a user when the helmets are impacted radially (i.e. normal to the outer surface of the helmet). However, in practice, when an impact accident occurs, the probability that the helmet bears a purely radial impact force is small, and when more impact forces exist in the tangential direction of the helmet in addition to the radial impact force of the helmet, the helmet is easy to rotate at a certain angle under the action of the tangential impact force, so that the head of a user is easily contused. Recent studies in the field of brain trauma have shown that shear forces generated by rotational impact are much greater in brain cell damage than radial forces. Several studies have shown that human brain tissue is much more sensitive to shear forces than radial compressive forces applied during impact, and that the head is prone to various light brain traumas such as diffuse axonal injury or subdural hematoma after rotational impact.

For this reason, in the related art, a sliding mechanism is provided between the casing and the liner, and binding is performed by a silicone tape. The slip through slide mechanism makes the inside lining rotate in order to slow down the damage that tangential impact force caused with the casing relatively, however the silica gel tape can form to pull casing and inside lining, restriction slide mechanism's slip stroke, and rotary displacement is obstructed, influences the slow down effect to tangential impact force, and the protectiveness is not good enough.

Disclosure of Invention

An object of the present disclosure is to provide a helmet to improve a buffering effect of the helmet to a tangential impact force, thereby improving the protection of the helmet.

In order to solve the technical problems, the following technical scheme is adopted in the present disclosure.

The present disclosure provides a helmet comprising: a housing; the lining is arranged on the inner side of the shell, the inner surface of the lining is used for being attached to the head of a human body, the lining comprises a fixed part and a movable part, the fixed part is connected with the shell, and the movable part and the shell can rotate and displace; and a movable member including: a slip sheet coupled to an outer surface of the movable portion of the liner; the rotating parts are rotatably connected to the shell, at least part of the rotating parts protrude out of the inner surface of the shell, a plurality of rotating parts are distributed at intervals, and the rotating parts can contact the sliding sheets and rotate so as to reduce the resistance of the rotating displacement of the movable parts and the shell.

In some embodiments of the present application, the rotating portion is a universal ball rotatable about multiple directions.

According to some embodiments of the present application, the movable piece further includes a mounting portion, and a plurality of mounting portions are distributed at intervals; the mounting part is buried in the shell and is provided with a mounting groove; the universal ball is partially rotatably arranged in the mounting groove, and the rest part is positioned outside the mounting groove and protrudes out of the inner surface of the shell.

According to some embodiments of the present application, the mounting groove is a ball groove greater than 1/2, so that the periphery of the opening of the mounting groove can limit the universal ball in the mounting groove.

In some embodiments of the present application, the mounting portion includes a connecting tab; a plurality of connecting pieces are overlapped, and filling grooves are formed between adjacent connecting pieces; the filling groove is filled with the housing.

In some embodiments of the present application, the connecting piece extends tangentially to the housing; the opening of the filling groove faces tangentially to the housing.

According to some embodiments of the present application, the rotating portion and the mounting portion are made of elastic materials, and the sliding piece is made of plastic materials.

In some embodiments of the present application, the mounting portion includes a first mounting tab, a second mounting tab, and a connecting post; a filling groove is formed between the first mounting piece and the second mounting piece; the connecting column is connected with the first mounting piece and the second mounting piece; the filling groove is filled with the housing.

In some embodiments of the present application, a plurality of sliding sheets are distributed at intervals, and each sliding sheet may contact at least one rotating portion.

In some embodiments of the present application, the housing includes an outer shell and a cushioning layer; the buffer layer is connected in the shell and is positioned between the shell and the lining; the rotating part is rotatably connected to the inner side of the buffer layer, and at least part of the rotating part protrudes out of the inner surface of the buffer layer.

According to the technical scheme, the embodiment of the disclosure has at least the following advantages and positive effects:

in the helmet of the embodiment of the disclosure, the lining can be made of a material with flexibility and good elasticity, and the inner surface of the lining is used for being attached to the head of a human body, so that the wearing comfort of the helmet is improved. The lining comprises a fixed part and a movable part, wherein the fixed part is connected with the shell, the movable part is not connected with the shell, so that the movable part and the shell can rotate and displace, when the shell is subjected to tangential impact force, the shell rotates relative to the movable part, and energy generated by at least part of the tangential impact force is converted into kinetic energy for rotating the shell, so that impact on the head of a human body is relieved, and the head of a user is prevented from being rotationally sprained. And a plurality of rotating parts can contact the sliding sheets and rotate, so that the resistance of the movable part and the shell in rotary displacement can be reduced, the rotation of the shell is more facilitated, more energy generated by tangential impact force is counteracted, the impact on the head of a human body can be greatly reduced, the amplitude and the speed of neck twisting when the head is subjected to the tangential impact force are reduced, and the protectiveness of the helmet is improved.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of the preferred embodiments of the disclosure, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the present disclosure and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout.

Wherein:

fig. 1 is a schematic structural view of a helmet according to an embodiment of the present disclosure.

FIG. 2 is a cross-sectional view of FIG. 1, wherein the slider is an embodiment.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is a cross-sectional view of fig. 1, wherein the slide is another embodiment.

Fig. 5 is a schematic structural view of the buffer layer in fig. 2.

Fig. 6 is a schematic structural view of the rotating part and the mounting part of an embodiment in fig. 3.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is a cross-sectional view of fig. 6.

Fig. 9 is a schematic structural view of a rotating portion and a mounting portion of another embodiment.

Fig. 10 is an exploded view of fig. 9.

Fig. 11 is a cross-sectional view of fig. 9.

The reference numerals are explained as follows: 1. a housing; 11. a housing; 12. a buffer layer; 2. a movable member; 21. a sliding sheet; 22. a rotating part; 23. a mounting part; 231. a connecting sheet; 232. a first mounting tab; 233. a second mounting plate; 234. a connecting column; 3. a liner.

Detailed Description

While this disclosure may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the disclosure and is not intended to limit the disclosure to that as illustrated herein.

Thus, rather than implying that each embodiment of the present disclosure must have the illustrated features, one feature noted in this specification will be used to illustrate one of the features of an embodiment of the present disclosure. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.

In the embodiments shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the disclosure as opposed to absolute. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.

The utility model provides a helmet which is used for being worn on the head of a human body and plays a role in protecting the head. The surface on the inner side is the inner surface, the surface on the outer side is the outer surface, and the surface on the outer side is the outer surface.

Referring to fig. 1 to 3, a helmet according to an embodiment of the present disclosure mainly includes a shell 1, a liner 3, and a movable member 2.

The shell 1 is a rigid shell 1 which can avoid penetration so as to resist damage of foreign objects to the head, and can be made of special steel, glass fiber reinforced plastic, leather, nylon, fiber reinforced composite materials and the like.

The lining 3 is arranged on the inner side of the shell 1, the lining 3 can be made of a material with good flexibility and elasticity, the inner surface of the lining 3 is used for being attached to the head of a human body, and the wearing comfort of the helmet is improved. For example, the lining 3 can be made of fabric or textile, and can be internally clamped with a soft cushion such as sponge, thereby further improving the wearing comfort and the protection of the helmet.

In some embodiments, the helmet further comprises straps, which are connected to the lining 3, the straps being used to tie down on the chin of the person, enabling better fixation of the helmet.

The liner 3 comprises a fixed part connected to the housing 1 and a movable part which is rotationally displaceable with respect to the housing 1. In this embodiment, the fixed portion is a portion that fits the face and is close to the chin, and the movable portion is a portion that fits the brain.

The movable part is not connected with the shell 1, so that the movable part and the shell 1 can rotate and displace, when the shell 1 receives tangential impact force, the shell 1 rotates relative to the movable part, and energy generated by at least part of the tangential impact force is converted into kinetic energy for the rotation of the shell 1, so that the impact on the head of a human body is relieved, and the head of a user is prevented from rotating and sprain.

It will be appreciated that the fixed part simply connects the liner 3 to the housing 1, with the area of the fixed part being as small as possible and the area of the movable part being as large as possible, while ensuring the connection strength, more facilitating the rotational displacement of the movable part and the housing 1.

Referring to fig. 2 and 3, the movable member 2 includes a slide 21 and a rotating portion 22. The slide 21 is attached to the outer surface of the movable part of the liner 3. The rotating part 22 is rotatably connected to the housing 1, and at least part of the rotating part 22 protrudes out of the inner surface of the housing 1, and a plurality of rotating parts 22 are distributed at intervals. The plurality of rotating parts 22 can contact the sliding sheets 21 and rotate so as to reduce the resistance of the rotating displacement of the movable part and the shell 1, be more beneficial to the rotation of the shell 1, offset more energy generated by tangential impact force, greatly slow down the impact on the head of a human body, reduce the amplitude and the speed of neck twisting when the head receives the tangential impact force and improve the protectiveness of the helmet.

In the present embodiment, the shape of the slide 21 is circular, however, the shape of the slide 21 may be any polygonal shape or irregular shape, and is not limited thereto.

The sliding sheet 21 can be made of plastic material, such as polypropylene, has light specific gravity, improves the wearing comfort, and has stable property. The sliding sheets 21 are distributed at intervals, the sliding sheets 21 are connected to the outer surface of the movable part of the lining 3, rigidity of the connecting part is improved to a certain extent, protection performance of the helmet against puncture force in the radial direction is improved, elasticity of the lining 3 is reduced, the interval between the adjacent sliding sheets 21 is distributed at intervals, deformation of the lining 3 is abducted, elasticity of the lining 3 is maintained, and rotary displacement of the lining 3 and the shell 1 is facilitated. Each slide 21 may contact at least one rotation portion 22 to reduce resistance when the movable portion and the housing 1 are rotationally displaced.

Referring to fig. 4, in other embodiments, the sliding piece 21 is a whole shell, and the shape of the shell is adapted to the head of the human body, and the shell sliding piece 21 can contact all the rotating parts 22.

In this embodiment, the rotating portion 22 is a universal ball capable of rotating around multiple directions, when the housing 1 receives tangential impact forces in different directions, the direction of rotational displacement of the movable portion and the housing 1 is different, and the universal ball can rotate around multiple directions to adapt to sliding friction between the sliding piece 21 and the universal ball in different directions, so that the resistance of rotational displacement of the movable portion and the housing 1 in corresponding directions can be reduced no matter which direction the housing 1 receives tangential impact forces.

In other embodiments, the rotating portion 22 is a roller rotatable about a rotation axis, and the cooperation between the pair of rotating portions 22 and the slide 21 can reduce resistance when the movable portion and the housing 1 are rotationally displaced in one direction. And the roller with non-parallel rotation axes can reduce the resistance when the movable part and the housing 1 are rotationally displaced in different directions. Among the plurality of rollers, at least one roller has a rotation axis which is not parallel to the rotation axes of the rest rollers, so that the resistance when the rotation displacement occurs in at least two directions can be reduced.

It should be noted that when the housing 1 receives a tangential impact force, the housing 1 will rotate rapidly at a moment, the rotating portion 22 contacts with the sliding vane 21, the surface of the sliding vane 21 is smoother, the frictional resistance between the rotating portion 22 and the sliding vane 21 is small, and when the rotating portion 22 displaces on the sliding vane 21, the resistance of the rotating portion and the housing 1 to rotational displacement can be reduced due to the cooperation between the rotating portion 22 and the sliding vane 21 even if the rotating portion 22 does not rotate or the rotation angle is small in some cases. That is, in the case where the housing 1 and the rotating portion 22 are rotationally displaced with respect to the liner 3, the slide 21, and the human head are kept as stationary as possible.

The movable portion is not connected to the housing 1, and there are cases where the part of the rotating portion 22 does not contact the slide sheet 21 and is spaced from the slide sheet 21, and where the inner surface of the part of the liner 3 is not closely adhered to the head of the human body and is spaced from the head of the human body. Due to the presence of these gaps, the contact area of the movable portion and the housing 1 is reduced, and the resistance to rotational displacement can also be reduced to some extent.

Referring to fig. 3 and 5, in some embodiments, the housing 1 includes an outer shell 11 and a cushioning layer 12. A cushioning layer 12 is attached within the shell 11 and is located between the shell 11 and the liner 3. The rotating portion 22 is rotatably coupled within the cushioning layer 12, and at least a portion of the rotating portion 22 protrudes beyond the inner surface of the cushioning layer 12. The buffer layer 12 may be made of EPS (expanded polystyrene), EPP (expanded polypropylene), EPO (expanded polystyrene polyethylene mixture), EPE (expanded polyethylene), or the like. The cushioning layer 12 enhances the cushioning and shock absorbing properties of the helmet. The buffer layer 12 may be provided in a plurality of layers stacked.

Referring to fig. 3, the movable member 2 further includes a mounting portion 23, and a plurality of mounting portions 23 are distributed at intervals. The mounting portion 23 is buried in the housing 1, and the mounting portion 23 is provided with a mounting groove. The part of the universal ball is rotatably arranged in the mounting groove, and the rest part of the universal ball is arranged outside the mounting groove and protrudes out of the inner surface of the shell 1. In the present embodiment, the mounting portion 23 is buried in the buffer layer 12. Of course, in other embodiments, the mounting portion 23 need not be provided, and the housing 1 may be integrally formed with a mounting groove.

Both the rotating portion 22 and the mounting portion 23 may be made of an elastic material, such as, but not limited to, silicone. The rotating part 22 and the mounting part 23 can better buffer and absorb shock compared with the buffer layer 12, and the sliding sheet 21 made of plastic material has better strength compared with the buffer layer 12, so that by arranging the movable part 2, the damage caused by tangential impact force is reduced, the buffering and shock absorbing performance is improved, and the protection performance against the puncture force in the radial direction is improved.

The mounting groove is a spherical groove with the diameter larger than 1/2, so that the periphery of the opening of the mounting groove can limit the universal ball in the mounting groove, and the universal ball is prevented from falling off from the mounting groove.

Referring to fig. 6 to 8, as an example of the mounting portion 23, the mounting portion 23 includes a connection piece 231. The connection pieces 231 are stacked in plurality, and filling grooves are formed between adjacent connection pieces 231. The filling groove is filled with the housing 1, so that the connection area between the mounting portion 23 and the housing 1 is increased, and the connection strength between the mounting portion 23 and the housing 1 is improved. In the present embodiment, the mounting portion 23 is an integrally formed structure, and the filling groove is filled with the cushioning layer 12.

The connecting piece 231 extends in the tangential direction of the housing 1, and the opening of the filling groove faces in the tangential direction of the housing 1, so that the connection strength is more effectively improved, and the mounting portion 23 is prevented from being pulled out from the housing 1.

Referring to fig. 9 to 11, as another example of the mounting portion 23, the mounting portion 23 includes a first mounting piece 232, a second mounting piece 233, and a connection post 234. A filling slot is provided between the first mounting tab 232 and the second mounting tab 233. The connection post 234 connects the first mounting piece 232 and the second mounting piece 233, and the filling groove is filled with the buffer layer 12 to improve the connection strength of the mounting portion 23 provided in the housing 1.

While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A helmet, comprising:

a housing;

the lining is arranged on the inner side of the shell, the inner surface of the lining is used for being attached to the head of a human body, the lining comprises a fixed part and a movable part, the fixed part is connected with the shell, and the movable part and the shell can rotate and displace; and

A moveable member, comprising:

a slip sheet coupled to an outer surface of the movable portion of the liner;

the rotating parts are rotatably connected to the shell, at least part of the rotating parts protrude out of the inner surface of the shell, a plurality of rotating parts are distributed at intervals, and the rotating parts can contact the sliding sheets and rotate so as to reduce the resistance of the rotating displacement of the movable parts and the shell.

2. The helmet of claim 1, wherein the rotating portion is a universal ball rotatable about multiple directions.

3. The helmet of claim 2, wherein the movable member further comprises a mounting portion, and the mounting portion is spaced apart by a plurality of mounting portions;

the mounting part is buried in the shell and is provided with a mounting groove;

the universal ball is partially rotatably arranged in the mounting groove, and the rest part is positioned outside the mounting groove and protrudes out of the inner surface of the shell.

4. A helmet according to claim 3, wherein the mounting slot is a ball-type slot of greater than 1/2 so that the perimeter of the opening of the mounting slot is capable of retaining the universal ball within the mounting slot.

5. A helmet according to claim 3, wherein the mounting portion comprises a connection tab;

a plurality of connecting pieces are overlapped, and filling grooves are formed between adjacent connecting pieces;

the filling groove is filled with the housing.

6. The helmet of claim 5, wherein the connecting piece extends tangentially to the shell;

the opening of the filling groove faces tangentially to the housing.

7. A helmet according to claim 3, wherein the rotating part and the mounting part are both made of an elastic material, and the sliding piece is made of a plastic material.

8. A helmet according to claim 3, wherein the mounting portion comprises a first mounting tab, a second mounting tab and a connecting post;

a filling groove is formed between the first mounting piece and the second mounting piece;

the connecting column is connected with the first mounting piece and the second mounting piece;

the filling groove is filled with the housing.

9. The helmet of claim 1, wherein a plurality of the sliding pieces are spaced apart, and each of the sliding pieces is adapted to contact at least one of the rotating parts.

10. The helmet of claim 1, wherein the shell comprises an outer shell and a cushioning layer;

the buffer layer is connected in the shell and is positioned between the shell and the lining;

the rotating part is rotatably connected to the inner side of the buffer layer, and at least part of the rotating part protrudes out of the inner surface of the buffer layer.