CN110367637B

CN110367637B - Helmet

Info

Publication number: CN110367637B
Application number: CN201910718786.3A
Authority: CN
Inventors: 刘丹; 余文国
Original assignee: Shenzhen Advanced Technology Research Institute Co ltd
Current assignee: Shenzhen Advanced Technology Research Institute Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2024-05-28
Anticipated expiration: 2039-08-05
Also published as: WO2021022667A1; CN110367637A

Abstract

The invention discloses a helmet, which comprises a helmet body, wherein a pair of folding shells are accommodated in the inner side of the helmet body, symmetrical connecting blocks are symmetrically arranged on the outer sides of the pair of folding shells, folding devices are arranged on the corresponding symmetrical connecting blocks of the helmet body, and the folding devices comprise: the limiting plate is provided with a plurality of pairs of limiting blocks; the two ends of the elastic piece are respectively connected with two sides of the symmetrical connecting block, or the two sides of the symmetrical connecting block are respectively provided with the elastic piece, and the elastic piece is used for gathering the symmetrical connecting block towards the center of the limiting plate; and the pressing piece is arranged corresponding to the center of the limiting plate and is used for pressing the limiting plate. The pair of folding shells of the symmetrical connecting blocks are connected by utilizing the shrinkage of the elastic piece, so that the helmet is folded by one key, and the helmet is convenient for a user to store and carry. And utilize the many pairs of stopper that set up on the limiting plate to block symmetrical connecting block, prevent the automatic shrink of the folding casing of a pair of folding that is connected with symmetrical connecting block, the security when guaranteeing the user and wearing the helmet.

Description

Helmet

Technical Field

The present invention relates to head wear devices, and more particularly to a collapsible helmet.

Background

Helmets can be traced to the ancient times, and original people use fibrous materials such as coconut shells and the like and armadillo shells, tortoise shells and the like to protect their heads in order to catch up wild animals and combat.

Modern helmets have many structures and styles due to different requirements for use in various activities. Helmets used in traffic, for example, are used to prevent damage to the head caused by collisions, falls, etc. during traffic. Even in a low-speed transportation mode such as riding a bicycle, there is a non-negligible safety problem, and thus the function of wearing the helmet is very important.

Still, because the existing helmets are large in size and heavy, people cannot conveniently carry and store the helmets, and people are often reluctant to carry the helmets when traveling. For this situation, the existing helmets push out of the foldable helmets so as to be convenient for people to carry. However, the existing folding helmets sacrifice the original role of the helmet, namely safety, for pursuing convenience, for example: the manual turnover helmet with the upper and lower fall is utilized, or the up and down shrinkage helmet with the upper and lower fall is utilized, or the leather net-type helmet with the retro function is utilized. The existing folding helmets not only need manual push-pull folding of users, but also have the safety performance which cannot reach the standard, and the helmets can be folded and contracted along with the folding helmets when being impacted by external force, so that the users are easily injured, and the head cannot be effectively protected.

For this reason, there is a need to design a new helmet to overcome the above problems.

Disclosure of Invention

The embodiment of the invention provides a helmet, which can be automatically folded by one key through a pair of folding shells arranged in a helmet body, and is convenient to carry and store. And the pair of folding shells can be limited to be clamped when the user wears the folding shell, so that the folding shell is prevented from automatically shrinking when being impacted by force, and the head safety of the user can be effectively protected.

In view of this, a first aspect of the present invention provides a helmet, including a helmet body, a pair of folding shells are accommodated in an inner side of the helmet body, and symmetrical connection blocks are symmetrically disposed on outer sides of the pair of folding shells, the helmet body is provided with a folding device corresponding to the symmetrical connection blocks, and the folding device includes:

The limiting plate is provided with a plurality of pairs of limiting blocks, the limiting blocks are symmetrical with the center of the limiting plate and are sequentially arranged towards the two ends of the limiting plate, and the limiting blocks are respectively used for clamping the symmetrical connecting blocks at different intervals;

The two ends of the elastic piece are respectively connected with two sides of the symmetrical connecting block, or the elastic piece is respectively arranged at two sides of the symmetrical connecting block and is used for furling the symmetrical connecting block towards the center of the limiting plate, wherein the two sides of the symmetrical connecting block correspond to the two ends of the limiting plate;

the pressing piece is arranged corresponding to the center of the limiting plate and used for pressing the limiting plate, so that the symmetrical connecting blocks are separated from the pairs of limiting blocks and are folded towards the center of the limiting plate.

Optionally, the folding device further comprises:

the supporting piece is arranged on the opposite side of the limiting plate relative to the pressing piece and is used for supporting the limiting plate, so that the symmetrical connecting blocks are blocked by the limiting blocks.

Optionally, an installation groove is formed on the inner side of the helmet body, and the installation groove is used for installing the folding device;

the mounting groove includes:

a first inner wall proximate the helmet body;

A groove opening facing the first inner wall;

a second inner wall interposed between the first inner wall and the recess opening and proximate to the helmet body;

and a third inner wall opposite to the second inner wall and remote from the helmet body.

Optionally, the second inner wall is provided with a fixing groove, and the fixing groove is used for fixing the supporting piece and the limiting plate, wherein the supporting piece is connected with the supporting surface of the limiting plate;

the third inner wall is provided with a pressing hole, the pressing hole is used for installing the pressing piece, one end of the pressing piece penetrates through the pressing hole to be connected to a pressing surface of the limiting plate, and the pressing surface is opposite to the supporting surface;

The first inner wall is used for fixing the elastic piece;

the groove openings are used for the symmetrical connecting blocks to be inserted, and the opening lengths of the groove openings are related to the plate body lengths of the limiting plates.

Optionally, the helmet further comprises:

a pair of sliding blocks are arranged on the outer sides of the pair of folding shells and are used for sliding connection between the pair of folding shells and the helmet body;

The inner side of the helmet body is provided with a sliding groove, and the sliding groove is used for the pair of folding shells to slide along the sliding groove at the inner side of the helmet body.

Optionally, the pair of folding shells are symmetrical structures with a symmetry plane, and the symmetrical connecting blocks are parallel to the symmetry plane and are respectively arranged on the outer sides of the pair of folding shells.

Optionally, the helmet further comprises:

The pair of folding shells are provided with a pair of symmetrical connecting blocks along two ends of the symmetrical plane;

The helmet body is provided with a pair of folding devices corresponding to the pair of symmetrical connecting blocks, and a pair of mounting grooves corresponding to the pair of folding devices.

Optionally, the pair of sliding blocks are disposed outside the pair of folding housings along the symmetry plane perpendicular to the pair of symmetrical connection blocks.

Optionally, chamfer angles are arranged on one side, facing the center of the limiting plate, of each pair of limiting blocks.

Optionally, shock absorbing liners are arranged on the inner sides of the pair of folding shells.

From the above technical solutions, the embodiment of the present invention has the following advantages:

According to the helmet provided by the embodiment of the invention, the pair of folding shells are accommodated in the inner side of the helmet body, the symmetrical connecting blocks are symmetrically arranged on the outer sides of the pair of folding shells, the helmet body is provided with the folding device corresponding to the symmetrical connecting blocks, and the pair of folding shells connected with the symmetrical connecting blocks can be clamped by utilizing the pairs of limiting blocks arranged on the limiting plates in the folding device, so that the safety of a user during wearing the helmet is ensured; and utilize in the folding device with the presser and the setting that correspond of limiting plate are in the elastic component of symmetry connecting block both sides, through the presser is pressed the limiting plate makes the symmetry connecting block breaks away from a plurality of pairs of stopper that set up on the limiting plate block, and make the symmetry connecting block is in the drive of elastic component is mutual to shrink and draw close, realizes pair the one-key shrink folding of a pair of folding casing, the user's of being convenient for carries.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, one or more embodiments are illustrated below by the accompanying drawings corresponding thereto, which are not meant to limit the embodiments, and in which elements having the same reference numerals are denoted as similar elements, and in which the drawings do not constitute a limitation on the scale unless specifically stated.

Fig. 1 is an exploded view of a helmet 100 according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing a folding comparison of a helmet 100 according to an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of a folding device 11 according to an embodiment of the present invention;

FIG. 4 is a schematic view of one embodiment of the mounting groove 12 in an embodiment of the present invention;

fig. 5 is a schematic view showing a sliding structure of the helmet body 10 side according to an embodiment of the present invention;

fig. 6 is a schematic view of a sliding structure of a pair of folding housings 21 and a folding housing 22 side in the embodiment of the present invention;

Fig. 7 is a left side schematic view of a helmet 100 according to an embodiment of the present invention;

Fig. 8 is a schematic view of a shock absorbing liner 23 according to an embodiment of the present invention.

Reference numerals illustrate:

a helmet 100;

A helmet body 10, a pair of folding shells 21 and 22, and a shock-absorbing liner 23;

folding device 11, mounting groove 12, sliding groove 13, tail 14;

the device comprises a limiting plate 111, an elastic piece 112, a pressing piece 113, a supporting piece 114, a first inner wall 121, a second inner wall 122, a third inner wall 123, a groove opening 124, a supporting platform 125, a first sliding groove 131 and a second sliding groove 132;

A plurality of pairs of stoppers 1111, fixing grooves 1221, pressing holes 1231;

symmetrical connection blocks 211 and 221, a pair of sliding blocks 212 and 222;

a first sliding block 2121 and a second sliding block 2122, and a first sliding block 2221 and a second sliding block 2222.

Detailed Description

The embodiment of the invention provides a pair of folding shells arranged in a helmet body, which not only can limit the folding shells to be clamped when a user wears the helmet, but also can prevent the folding shells from automatically shrinking when the user is impacted by stress, so that the safety of the head of the user can be effectively protected, and the helmet can be automatically folded by one key, thereby being convenient for the user to carry and store.

In order to facilitate understanding of the technical solution of the present invention, the technical solution of the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "pairs" means two or more pairs unless specifically defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

For ease of understanding, a specific structure of an embodiment of the present invention will be described below, referring to fig. 1, an embodiment of a helmet 100 according to an embodiment of the present invention includes:

a helmet body 10 and a pair of folding shells (21 and 22) accommodated inside the helmet body 10.

Wherein, the inner side of the helmet body 10 may have a saccular cavity structure to adapt to the head structure of the human body, and a wearing opening is provided at the bottom thereof, so that the user can wear through the wearing opening.

A pair of folding housings may be accommodated in the hollow structure of the inner side of the helmet body 10, and may be located at both sides of the user's head during normal wearing, protecting the safety of the user's head. The pair of folding shells can be relatively folded toward the center of the hollow structure inside the helmet body 10 when being carried and stored, so as to reduce the space size of the helmet 100.

The pair of folding housings may include a pair of folding housings 21 and 22 symmetrical to each other. It will be appreciated that the folding shells 21 and 22 may also be bladder-like in configuration to accommodate attachment of the helmet body 10.

As shown in fig. 2, in a preferred embodiment, a cutout may be provided at both sides of the hemispherical helmet body 10 such that the helmet body 10 has a circular arc shape, and the both sides may be left and right sides of the helmet body 10 when the user wears the helmet.

The pair of folding shells 21 and 22 can be disposed at the cut-outs on both sides of the helmet body 10, respectively, so that the helmet 100 can be assembled with the helmet body 10 into a complete hemispherical shape when it is worn normally, that is, when the folding shells 21 and 22 are not contracted.

Further, in order to achieve the shrink-folding of the pair of folding housing 21 and folding housing 22, protruding and symmetrical connection blocks may be provided on the outer side surfaces of the symmetrical folding housing 21 and folding housing 22, i.e., connection blocks 211 are provided on the folding housing 21 and connection blocks 221 are provided on the folding housing 22, respectively.

It should be noted that the symmetrical connection blocks 211 and 221 may be disposed parallel to the symmetry planes of the folding housing 21 and the folding housing 22, i.e., the connection blocks 211 and 221 may be symmetrical to each other. The symmetry plane may be a symmetry plane of the folded housing 21 and the folded housing 22 between the shrink fit planes. That is, the connection blocks 211 and 221 may be provided at outer side surfaces adjacent to the shrink fit surface in the folding housing 21 and 22, protruding outwardly parallel to the symmetry plane.

In this embodiment, the folding device 11 may be provided on the inner side of the helmet body 10 corresponding to the symmetrical connection blocks 211 and 221. The folding device 11 may be used to shrink-clamp the symmetrical connection blocks 211 and 221, and may shrink-clamp the symmetrical connection blocks 211 and 221 while bringing the pair of folding housings 21 and 22 to shrink-fold together, i.e., bringing the folding housings 21 and 22 to shrink-fold toward the symmetry plane therebetween. When the folding housing 21 and the folding housing 22 are spliced together, the splicing surfaces of the two are the shrinkage splicing surfaces, and the shrinkage splicing surfaces spliced together at this time are also equivalent to the symmetry planes of the folding housing 21 and the folding housing 22.

Referring to the effect shown in fig. 2, the folding shell 21 and the folding shell 22 are mutually contracted and folded in the cavity structure on the inner side of the helmet body 10, so that the helmet 100 can be reduced from the space size originally containing the helmet body 10 and the folding shell 21 and the folding shell 22 to the size only containing the helmet body 10, thereby greatly facilitating the storage and the carrying.

And, the helmet body 10 may be provided at an inner side thereof with a mounting groove 12 corresponding to the folding device 11, the mounting groove 12 may be used to mount and fix the folding device 11, and the folding shell 21 and the folding shell 22 may be fixedly mounted in a capsule-shaped cavity structure at the inner side of the helmet body 10 by connecting the folding device 11 with the symmetrical connection blocks 211 and 221.

In another preferred embodiment, when the helmet body 10 is provided with cutouts at both left and right sides, the pair of folding shells 21 and 22 are respectively provided at the cutouts at both left and right sides, and the symmetry planes of the folding shells 21 and 22 may be provided at the front end to the rear end of the helmet body 10. It will be appreciated that the helmet body 10 may also be constructed symmetrically with respect to each other about the plane of symmetry. The front end of the helmet body 10 is the side where the face is located when the user wears, and the rear end of the helmet body 10 is the side where the rear brain scoop is located when the user wears.

In this embodiment, the helmet body 10 may be provided at the front end or the rear end with the mounting groove 12, and the folding device 11 is mounted in the mounting groove 12, the folding device 11 being used to shrink-grip the connection block 211 and the connection block 221 symmetrical to each other with the symmetry plane. That is, the mounting groove 12 and the mounted folding device 11 may also be of a structure symmetrical to each other with the symmetry plane.

It should be noted that the helmet body 10 may be further provided with the mounting grooves 12 at both front and rear ends thereof, that is, a pair of mounting grooves 12, and a pair of folding devices 11 may be further installed in the pair of mounting grooves 12. Correspondingly, a corresponding pair of symmetrical connection blocks 211 and 221 may be provided on the outer side surfaces of the pair of folding shells 21 and 22 to respectively connect the pair of folding devices 11, thereby achieving the fixed connection of the pair of folding shells 21 and 22 with the helmet body 10.

In the embodiment of the invention, the pair of folding shells 21 and 22 are accommodated in the inner side of the helmet body 10, and the symmetrical connecting blocks 211 and 221 are symmetrically arranged on the outer sides of the pair of folding shells 21 and 22, the helmet body 10 can be provided with the folding device 11 corresponding to the symmetrical connecting blocks 211 and 221, and the symmetrical connecting blocks 211 and 221 are clamped by the folding device 11 in a shrinkage manner, so that the pair of folding shells 21 and 22 are folded in the helmet body 10, the space size of the helmet 100 is effectively reduced, and the carrying and the storage of a user are facilitated.

The structure of the helmet 100 according to the embodiment of the present invention is described above, and the folding device 11 provided in the helmet 100 is described below in order to achieve one-touch folding of the folding shell 21 and the folding shell 22. Referring to fig. 3, an embodiment of a folding device 11 according to an embodiment of the present invention includes:

a limiting plate 111, an elastic member 112, and a pressing member 113.

Specifically, the limiting plate 111 may have a strip shape, on which a plurality of pairs of limiting blocks 1111 may be disposed, and the pairs of limiting blocks 1111 may be respectively arranged in order toward two ends of the limiting plate 111 with center symmetry of the limiting plate 111. It should be understood that the center of the limiting plate 111 may be located in the symmetry plane of the symmetric connection block 211 and the symmetric connection block 221 in the embodiment shown in fig. 1, that is, the pairs of limiting blocks 1111 may be respectively symmetrical to each other with the symmetry plane, and the pairs of limiting blocks 1111 may be respectively arranged from the center to the two ends of the limiting plate 111 with different pitches, so that the pairs of limiting blocks 1111 may clamp the symmetric connection block 211 and the symmetric connection block 221 with different pitches.

It should be understood that, in normal use wearing, the pair of limiting blocks 1111 provided on the limiting plate 111 can clamp the folding housing 21 and the folding housing 22 connected to the symmetrical connecting blocks 211 and 221, so as to prevent the folding housing 21 or the folding housing 22 from automatically collapsing and folding inwards when being impacted by external force, and effectively protect the head safety of the user.

The elastic member 112 may be disposed at both sides of the symmetrical connection block 211 and connection block 221 along the body direction of the limiting plate 111, and in order to enable the symmetrical connection block 211 and connection block 221 to be clamped to the symmetrical plane, both sides of the elastic member 112 may be respectively disposed at both sides of the connection block 211 and connection block 221 toward both ends of the limiting plate 111.

It can be understood that the elastic member 112 may have two ends respectively connected to two sides of the symmetrical connection block 211 and the connection block 221, and the center of the elastic member 112 may be fixed at a position corresponding to the center of the limiting plate 111, and the elastic member 112 may shrink the symmetrical connection block 211 and the connection block 221 toward the center of the limiting plate 111 by its own shrinkage force, for example: coil springs with two ends being contracted.

The elastic members 112 may be disposed on two sides of the symmetrical connection block 211 and the connection block 221, that is, a pair of elastic members 112 may be disposed on two sides of the symmetrical connection block 211 and the connection block 221, and the symmetrical connection block 211 and the connection block 221 may be retracted toward the center of the limiting plate 111 by elastic force provided by the pair of elastic members 112, for example: a pair of coil springs.

The pressing member 113 may be disposed at a central position of the limiting plate 111, the pressing member 113 may be disposed perpendicular to the limiting plate 111, one end of the pressing member 113 may be connected to the center of the limiting plate 111, and when the pressing member 113 is stressed, the pressing member 113 may transmit a force to the center of the limiting plate 111 to press the center of the limiting plate 111. It can be appreciated that the limiting plate 111 may have a certain elastic characteristic, and may be deformed concavely when the center is stressed, so that the symmetrical connecting blocks 211 and 221 are separated from the limitation of one pair of limiting blocks in the pairs of limiting blocks 1111 at this time, so that the symmetrical connecting blocks 211 and 221 are retracted towards the center of the limiting plate 111 under the driving of the elastic member 112.

In a preferred embodiment, the folding device 11 may be provided with a support 114 at the other side of the limiting plate 111 with respect to the pressing member 113, i.e., the support 114 is provided at the opposite side of the pressing member 113.

In this embodiment, to make up for the shortage of the stress recovery of the limiting plate 111, or to prevent the limiting plate 111 from being damaged by the pressing of the pressing member 113, the supporting member 114 may be disposed on a surface opposite to the pressing member 113, where a surface connected to the supporting member 114 is used as a supporting surface, and the other surface connected to the pressing member 113 is a pressing surface, where the supporting surface is the surface opposite to the pressing surface in the limiting plate 111.

The supporting member 114 may support the restoration of the limiting plate 111, so that the limiting plate 111 can restore to an initial state after losing the pressing force applied by the pressing member 113, i.e. restore to a state that the symmetrical connection block 211 and the symmetrical connection block 221 are blocked by one pair of the plurality of pairs of the limiting blocks 1111. The support 114 may be a bow spring or may be one or more coil springs, and in this embodiment, a bow spring is preferable, and the bow springs may be symmetrically disposed on the center plane side of the limiting plate 111 with respect to the center of the limiting plate 111.

In this embodiment, preferably, a chamfer may be disposed on a side of the pair of limiting blocks 1111 facing the center of the limiting plate 111, so that a side of the pair of limiting blocks 1111 facing the center of the limiting plate 111 is shorter than a side of the pair of limiting blocks facing away from the center of the limiting plate 111, and the positions of the symmetrical connecting blocks 211 and 221 can be conveniently and outwardly expanded and adjusted by the pair of high and low chamfer settings when the pair of limiting blocks are worn by a user, so as to correspondingly adjust the spacing between the pair of folding shells 21 and 22 and the structure of the internal cavity formed by the pair of folding shells.

Of course, in the symmetrical connection blocks 211 and 221, a chamfer may be provided at a side opposite to the chamfer provided to the pair of stopper 1111, or a chamfer may be provided at both sides of the symmetrical connection blocks 211 and 221, so as to facilitate a user to pull apart a pair of folding housings (21 and 22) connected to the symmetrical connection blocks 211 and 221 when wearing.

In the embodiment of the present invention, the elastic member 112 in the folding device 11 is used to shrink and clamp the symmetrical connection block 211 and the connection block 221, and the symmetrical connection block 211 and the connection block 221 can be respectively clamped at different intervals by using the pairs of limiting blocks 1111 of the folding device 11 arranged on the limiting plate 111, and the limiting plate 111 can be pressed by using the pressing member 113 arranged corresponding to the central position of the limiting plate 111 when the pressing member 113 is stressed, so that the symmetrical connection block 211 and the connecting block 221 can be separated from the limitation of the pairs of limiting blocks 1111 arranged on the limiting plate 111 and folded towards the center of the limiting plate 111; and a supporting member 114 is arranged on one side of the limiting plate 111 opposite to the pressing member 113 by using the folding device 11, so that the limiting plate 111 can be supported when the pressing member 113 is not stressed, and a plurality of pairs of limiting blocks 1111 arranged on the limiting plate 111 can respectively limit and clamp the symmetrical connecting blocks 211 and 221.

In the above embodiment, by the pressing member 113 corresponding to the limiting plate 111 in the folding device 11 and the elastic members 112 disposed at both sides of the symmetrical connecting block 211 and the connecting block 221, the limiting plate 111 is pressed by the pressing member 113, so that the symmetrical connecting block 211 and the connecting block 221 are separated from the blocking restriction of the pairs of limiting blocks 1111 disposed on the limiting plate 111, and the symmetrical connecting block 211 and the connecting block 221 are mutually contracted and closed under the driving of the elastic members 112, so that the pair of folding shells 21 and the folding shells 22 connected with the symmetrical connecting block 211 and the connecting block 221 are contracted and folded by one key, and the effect of being convenient for the user to carry is achieved.

In the embodiment of the present invention, a mounting groove 12 for mounting the folding device 11 may be provided on the inner side of the helmet body 10, and the mounting groove 12 may be provided at the front end or the rear end of the helmet body 10, and the mounting groove 12 may be symmetrical with respect to the symmetry plane.

Referring to fig. 4, an embodiment of the mounting groove 12 according to the present invention includes:

A first inner wall 121, a second inner wall 122, a third inner wall 123, and a groove opening 124.

The first inner wall 121 may be disposed proximate to the helmet body 10, may be an elongated inner wall corresponding to the limiting plate 111 of the folding device 11, or may be a curved surface with the same curvature as the inner side of the helmet body 10, and may be specifically disposed depending on the shape of the helmet body 10, which is not limited herein.

The second inner wall 122 and the third inner wall 123 may be two walls adjacent to the first inner wall 121, wherein the third inner wall 123 may be close to the wearing opening of the helmet body 10 formed at the bottom, and the second inner wall 122 opposite to the third inner wall 123 may be closer to the top of the helmet body 10.

The groove opening 124 may be disposed opposite to the first inner wall 121, which may be used to insert the symmetrical connection blocks 211 and 221, that is, the groove opening 124 and the first inner wall 121 may be disposed toward the front or rear end of the helmet body 10 in a perpendicular plane to the symmetry plane, and the first inner wall 121 may be closer to the inside of the front or rear end of the helmet body 10.

And a fixing groove 1221 extending toward the inside of the helmet body 10 may be further provided at the second inner wall 122, and the fixing groove 1221 may be used to fixedly mount the support 114 and the stopper plate 111 in the folder 11.

In a preferred embodiment, if the elastic member 112 is a coil spring having both ends contracted, the coil spring may be fixed at the first inner wall 121. If the elastic member 112 is a pair of coil springs, one ends of the pair of coil springs may be respectively fixed to the sidewalls adjacent to the first inner wall 121, the second inner wall 122, and the third inner wall 123. Of course, if the first inner wall 121 is curved, the pair of coils may be fixed on both sides of the first inner wall 121.

The third inner wall 123 of the wearing opening near the bottom of the helmet body 10 may be provided with at least one pressing hole 1231, and the pressing hole 1231 may be used for passing through one end of the pressing member 113 to the center of the limiting plate 111, so as to press the limiting plate 111 when being stressed.

It is understood that the pressing piece 113 may be divided into a pressing block and a pressing rod, the pressing block being disposed outside the pressing hole 1231, and being capable of being used for pressing by a user; the pressing rod extends to the pressing surface of the limiting plate 111 through the pressing hole 1231. Regarding the shape of the pressing member 113, the embodiment of the present invention is not limited, and is schematically illustrated in the drawings.

The opening length of the recess opening 124 may be correlated with the plate body length of the stopper plate 111 in the folding device 11.

And, a supporting platform 125 may be further disposed on the outer side of the groove opening 124, where the supporting platform 125 may be used to support the redundant parts of the symmetric connection blocks 211 and 221 in the insertion groove opening 124, so as to provide more stress supporting surfaces, so as to avoid the breakage of the connection blocks 211 or 221 when the helmet 100 is used, prevent the pair of folding shells 21 and 22 from being separated from the helmet body 10, and reduce accidents caused by product quality.

In the embodiment of the present invention, a sliding structure connected to the pair of folding shells 21 and 22 may be further provided at the inner side of the helmet body 10, and the sliding structure may be provided at the inner top perpendicular to the front and rear ends of the helmet body 10. It should be noted that the sliding structure may be centrosymmetric with respect to the symmetry plane.

Referring to fig. 5 and fig. 6, an embodiment of a sliding structure according to an embodiment of the invention includes:

A pair of sliding blocks 212 and 222 may be provided at the outer sides of the pair of folding housings 21 and 22, and the pair of sliding blocks 212 and 222 may be provided at the top of the pair of folding housings 21 and 22.

Correspondingly, a sliding groove 13 may be provided at the inner side of the helmet body 10, and the sliding groove 13 may be used to connect with the pair of sliding blocks 212 and 222, and may allow the pair of sliding blocks 212 and 222 to slide along the sliding groove 13 at the inner side of the helmet body 10.

It should be noted that, the arrangement direction of the pair of sliding blocks 212 and 222 and the sliding groove 13 may be perpendicular to the symmetry plane in the foregoing embodiment, and the pair of sliding blocks 212 and 222 and the sliding groove 13 may be configured to be symmetrical with each other about the symmetry plane.

In a preferred embodiment, the pair of sliding blocks 212 and 222, the sliding block 212 may include a first sliding block 2121 and a second sliding block 2122, and the sliding block 222 may include a first sliding block 2221 and a second sliding block 2222, respectively. It is appreciated that the first slider 2121 (2221) may be larger in structural size than the second slider 2122 (2222).

Correspondingly, the sliding groove 13 disposed inside the helmet body 10 may also include a pair of grooves with central symmetry, and each groove includes a first sliding groove 131 and a second sliding groove 132, and the structural size of the first sliding groove 131 may also be larger than the size of the second sliding groove 132.

The dimensions described in embodiments of the invention include length, width, height or thickness, diameter, radius, and the like.

By arranging the pair of sliding blocks 212 and 222 with two layers of structures with different sizes and matching the corresponding sliding grooves 13, the sliding matching of the sliding blocks 212 (222) and the sliding grooves 13 can be better realized, the pair of sliding blocks 212 and 222 can have the function of fixing and limiting simultaneously when sliding, the dislocation of the pair of folding shells 21 and 22 in the helmet body 10 during folding and shrinking is further prevented, the effect of triangular fixing is achieved by the installation grooves 12 arranged at the front end and the rear end of the helmet body 10, and the installation grooves 12 are connected and fixed with the pair of symmetrical connecting blocks 211 and 221 through the folding device 11.

In an embodiment of the present invention, referring to fig. 7, another embodiment of the helmet 100 according to the embodiment of the present invention may further include:

The rear end of the helmet body 10 may be provided with a rear wing 14, and a plurality of ventilation holes may be further provided at the helmet body 10 (including the rear wing 14) for performing functions such as ventilation and cooling when the user wears the helmet 100.

It will be appreciated that ventilation holes may also be provided in the pair of folded shells 21 and 22 towards the left and right sides of the helmet body 10.

The vent holes described above may be disposed symmetrically with respect to each other with respect to the symmetry plane in the foregoing embodiment, and the shape of the vent holes is not particularly limited herein.

And a shock-absorbing liner 23 may be provided at the inner sides of the pair of folding housings 21 and 22, and the shock-absorbing liner 23 may have a plurality of convex structures such that a ventilation passage for ventilation may be spaced between each of the structures, as shown in fig. 8.

It should be understood that in the embodiment of the present invention, a safety harness and a latch may be further provided on the helmet 100, and the safety harness may be provided to be connected to the helmet body 10 or may be provided to be connected to the pair of folding shells 21 and 22, which is not limited in the embodiment of the present invention.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. The utility model provides a helmet, includes helmet body, its characterized in that helmet body's inboard has held a pair of folding casing to the outside symmetry of a pair of folding casing is provided with symmetrical connecting block, helmet body corresponds symmetrical connecting block is equipped with folding device, folding device includes:

2. The helmet of claim 1, wherein the folding device further comprises:

3. The helmet of claim 2, wherein an inner side of the helmet body is provided with a mounting groove for mounting the folding device;

the mounting groove includes:

a first inner wall proximate the helmet body;

A groove opening facing the first inner wall;

4. A helmet according to claim 3, wherein the second inner wall is provided with a fixing groove for fixing the support member and the limiting plate, wherein the support member is connected with the support surface of the limiting plate;

The first inner wall is used for fixing the elastic piece;

5. The helmet of claim 4, further comprising:

6. The helmet of claim 5, wherein the pair of folding shells are symmetrical about a symmetry plane, and the symmetrical connection blocks are disposed outside the pair of folding shells, respectively, parallel to the symmetry plane.

7. The helmet of claim 6, further comprising:

8. The helmet of claim 7, wherein the pair of sliding blocks are disposed outside the pair of folding shells along the symmetry plane perpendicular to the pair of symmetrical connection blocks.

9. The helmet of claim 1, wherein a side of the plurality of pairs of stoppers facing a center of the stopper plate is provided with chamfers.

10. The helmet of claim 1, wherein the inner sides of the pair of folded shells are provided with shock absorbing liners.