CN215775831U

CN215775831U - Neck-protecting and secondary head-protecting helmet

Info

Publication number: CN215775831U
Application number: CN202122370430.0U
Authority: CN
Inventors: 董翠玲; 罗冰冰; 廖雨微
Original assignee: Zhuhai City Polytechnic
Current assignee: Zhuhai City Polytechnic
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-11
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a neck-protecting and secondary head-protecting helmet, which comprises a protective shell (1), a buffer layer (2) attached to the inner side of the protective shell (1), an air bag (3), a cap liner (4) and a gas generating device (6), wherein the cap liner (4) is arranged in the protective shell (1) and used for sleeving the head, an isolation buffer space (15) is arranged between the cap liner (4) and the buffer layer (2), an air bag folding bin (12) is arranged between the cap liner (4) and the buffer layer (2) and close to the neck, the air bag (3) is folded and contained in the air bag folding bin (12) for later use, an ECU (5) and a collision sensor (7) are arranged in the buffer layer (2), when the collision is received, the collision sensor (7) sends a signal to the ECU (5), after the ECU (5) receives a collision signal, a detonation instruction is sent to the gas generating device (6), and the gas generating device (6) rapidly inflates the air bag (3), the air bag (3) is rapidly unfolded, one part of the air bag is filled into the isolation buffer space (15) to form secondary protection for the head in the helmet, and the other part of the air bag is used for semi-surrounding and surrounding the neck from the rear part to simultaneously protect the head and the neck of a human body.

Description

Neck-protecting and secondary head-protecting helmet

Technical Field

The utility model relates to a helmet, in particular to a helmet with functions of neck protection and secondary head protection.

Background

Helmets are harnesses that protect the head. In the powered times, people like to drive at high speed, so safety accidents are easy to happen. When impact force to the body acts on the neck or is stimulated and impacted by foreign objects in an accident, the neck can be damaged, and even the death can be caused seriously. However, a standard helmet on the market can only protect the head but cannot protect the neck, and if the impact force is large, the cervical vertebra can be damaged. There is also much uncertainty about the severity of the neck injury due to the unpredictable nature of the impact, including the rate, angle of impact on the neck, strength of impact force, etc. In addition, helmets with certain neck protection function are available at present, but the helmets of the type cannot achieve the compression-resistant effect, the neck is easy to be suffocated and generate heat, users feel uncomfortable, or the rigid shell and the neck protection device are adopted, so that the neck is difficult to move, the use is inconvenient and inflexible, the visual angle of a driver is obstructed, and even the safety is possibly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a neck protector and a secondary head protection helmet which can protect the head and the neck comprehensively, reduce the impact force borne by the neck, have good use comfort and are safer.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model comprises a protective shell, a buffer layer, an air bag, a cap liner and a gas generating device, wherein the buffer layer is arranged on the whole inner side of the protective shell in a fitting manner, the cap liner is arranged in the protective shell and is used for sheathing the head, an isolation buffer space is arranged between the cap liner and the buffer layer, an air bag folding bin is arranged between the cap liner and the buffer layer and is close to the neck of the protective shell, the air bag is folded and stored in the air bag folding bin for later use, an ECU and an impact sensor are arranged in the buffer layer, the ECU is respectively and electrically connected with the gas generating device and the impact sensor, when being impacted, the impact sensor sends a signal to the ECU, the ECU sends a detonation instruction to the gas generating device after receiving an impact signal, the gas generating device rapidly inflates the air bag, and the air bag rapidly deploys, one part is filled into the isolation buffer space to form secondary protection for the head inside the helmet, and the other part surrounds the neck from the back in a half-surrounding way, so that the head and the neck of a human body are protected simultaneously.

The helmet liner comprises a top-wearing and a buffer pad, wherein the buffer pad is positioned at the back pillow position of the head and is connected with the top-wearing.

The top wear is provided with a sweat absorbing belt.

And the inner surface of the hat lining is provided with an ice silk cooling mat for wrapping the head.

The neck and secondary head-protecting helmet further comprises a reversible front bumper which is positioned in front and used for shielding the face, and the front bumper is connected with the protective shell through a front bumper pin.

The back surface of the part filled into the isolation buffer space after the airbag is unfolded is wavy.

When the air bag is unfolded, the part surrounding the neck is ejected outwards from the annular leather decorative cover opening at the bottom of the protective shell.

The thickness of isolation buffer space is 25 ~ 45 mm.

And a safety sensor is further arranged in the buffer layer and used for judging whether the impact induction received by the impact sensor is a false signal or not.

The air bag is made of full-molded coating air bag fabric, the matrix is high-strength polyamide fiber, and the coating is silicon rubber.

Compared with the prior art, the utility model can achieve the following beneficial effects: the utility model comprises a protective shell, a buffer layer, an air bag, a cap liner and a gas generating device, wherein the buffer layer is arranged on the whole inner side of the protective shell in a fitting manner, the cap liner is arranged in the protective shell and used for sheathing the head, an isolation buffer space is arranged between the cap liner and the buffer layer, an air bag folding bin is arranged between the cap liner and the buffer layer and close to the neck of the protective shell, the air bag is folded and stored in the air bag folding bin for later use, an ECU and a collision sensor are arranged in the buffer layer, the ECU is respectively and electrically connected with the gas generating device and the collision sensor, when the air bag is impacted, the collision sensor sends a signal to the ECU, the ECU sends a detonation instruction to the gas generating device after receiving a collision signal, and the gas generating device rapidly inflates the air bag, the air bag is rapidly unfolded, one part of the air bag is filled into the isolation buffer space, secondary protection is formed on the head inside the helmet, and the other part of the air bag is used for semi-surrounding and surrounding the neck from the rear part so as to simultaneously protect the head and the neck of a human body; the utility model overcomes the defects and shortcomings of the prior art, the head is protected by the buffer layer and the protective shell in a conventional one-time passive manner, when the collision accident is dangerous, the head can be protected for the second time actively by filling the air bag into the isolation buffer space, the head can be protected, the neck can be protected actively by surrounding the neck in a semi-surrounding manner from the rear part by the air bag, the impact or rolling on the neck caused by the buffer accident is avoided, and the safety is greatly improved; moreover, the isolation buffer space is arranged between the helmet liner and the buffer layer, so that the air permeability of the helmet is improved, the problem of head stuffiness and heat is well solved, the problem that the existing sponge body is easy to breed bacteria is also solved, meanwhile, the isolation buffer space can buffer direct injury to the head due to slight impact, the isolation buffer space plays a role in buffering and damping, and the isolation buffer space also has a role in avoiding the air bag from generating unnecessary inflation action and opening the air bag by mistake when a normal object is slightly impacted or knocked down and an upper limit signal required by the action of the air bag is not reached; therefore, the neck-protecting helmet and the secondary head-protecting helmet of the utility model are helmets which can protect the head and the neck comprehensively, can reduce the impact force born by the neck, and have good use comfort and higher safety.

Drawings

FIG. 1 is a schematic longitudinal sectional view of a neck and secondary head-protecting helmet according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a cap liner according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a cap liner according to an embodiment of the present invention;

FIG. 4 is a schematic illustration of the airbag of an embodiment of the present invention after deployment.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the neck-protection and secondary head-protection helmet of the present embodiment includes a protective shell 1, a buffer layer 2, an air bag 3, a cap liner 4, and a gas generating device 6, wherein the buffer layer 2 is disposed on the entire inner side of the protective shell 1, the cap liner 4 is disposed in the protective shell 1 for covering the head, an isolation buffer space 15 is disposed between the cap liner 4 and the buffer layer 2, the isolation buffer space 15 has a thickness of 25 to 45mm, and when a normal object is slightly impacted or knocked down, the protective shell 1 does not directly affect the top of the head due to deformation caused by stress, thereby playing a role of buffering and damping; an airbag folding bin 12 is arranged between the cap liner 4 and the buffer layer 2 and at the position, close to the neck, of the protective shell 1, and the airbag 3 is folded and stored in the airbag folding bin 12 for later use; the helmet lining 4 is an auxiliary structure, so that the airbag 3 has a supporting point at the upper part of the head, the structure of the helmet lining can be well matched with the head, the impact on the head when the airbag is inflated can be buffered, the comfort and the safety are improved, specifically, the helmet lining 4 comprises a top wear 13 and a buffer pad 9, the buffer pad 9 is positioned at the position of the back pillow of the head and is a vertical elliptic pad, meanwhile, the buffer pad is also positioned above the folded part of the airbag 3, the instantaneous pressure generated by the opening action of the gas generating device 6 and the airbag 3 can be buffered, the head is protected, the top wear 13 is connected, the top wear 13 is provided with a sweat absorbing belt 16, the function of absorbing sweat on the head is increased, the problem of stuffiness and heat of the helmet is further relieved, an ice silk cooling mat 8 used for wrapping the head is arranged on the inner surface of the helmet lining 4 and is used as a fabric for the whole helmet to contact with the head, the helmet has good air permeability, automatic humidity adjustment and slow temperature rise, reduces the thermal sensation, relieves the stuffiness problem, enables a driver to ride and drive in a comfortable environment, can isolate the head from the air bag to avoid direct contact, and the top wear 13 can well fit the head and also has a positioning effect on the ice silk cooling mat 8; an ECU 5, an impact sensor 7 and a safety sensor 70 are arranged in the buffer layer 2, the ECU 5 is respectively electrically connected with the gas generating device 6, the impact sensor 7 and the safety sensor 70, the airbag 3 and the gas generating device 6 have communicated interfaces and are communicated sealing structures, when the airbag is impacted, the impact sensor 7 sends a signal to the ECU 5, the ECU 5 sends a detonation command to the gas generating device 6 after receiving the impact signal, the gas generating device 6 rapidly inflates the airbag 3, the airbag 3 rapidly deploys, one part of the airbag is filled in the isolated buffer space 15, secondary protection is formed on the head part in the helmet, the other part of the airbag semi-surrounds and surrounds the neck part from the rear part to simultaneously protect the head and the neck of a human body, and the surrounding structure researches the physiological shape of the neck according to the human engineering, the contact neck can be well attached, and a good protection effect is achieved; the safety sensor 70 is used for judging whether the impact induction received by the impact sensor 7 is a false signal or not, and an electronic control system is adopted, so that the gas generating device 6 is more sensitive, acts rapidly when a danger occurs, the injury of an accident to a human body is reduced, and the function of utilizing the safety protection of the helmet efficiently is achieved; the back 32 of the part filled into the isolation buffer space 15 after the airbag 3 is unfolded is wavy, wherein the wave crest contacts the buffer layer 2, and gaps are formed between the rest part and the buffer layer 2, so that the shock absorption and buffering effects can be well achieved, the head can be protected for the second time, and the part surrounding the neck when the airbag 3 is unfolded pops out from the annular leather decorative cover opening 14 at the bottom of the protective shell 1. in the embodiment, the airbag 3 is made of a fully-formed coating airbag fabric, is a light material, avoids the sewing processing around the airbag, well controls the air porosity, has small thickness of the edge sealing fabric, is small after being folded, has small volume, increases the safety of the helmet, and does not aggravate the load by adopting high-strength polyamide fiber 66 filaments as the matrix, has low wear rate and small friction, and is convenient for unfolding after being inflated, the heat fusion performance between the substrate and the coating is good, the service life is long, and the advantages of being lighter, thinner, softer, easier to fold, higher in safety performance and the like are achieved; furthermore, the neck and secondary head helmet further comprises a reversible front shield 10 which is positioned in front and used for shielding the face, the front shield 10 is connected with the protective shell 1 through a front shield pin 11, and the front shield 10 can resist invasion of foreign matters such as wind, rain and sand, so that the safety is further improved.

The specific starting process of the air bag 3 is as follows: when the whole helmet is subjected to violent speed change with surrounding objects or is in violent contact with surrounding objects, whether signals are mistaken or not is judged through the safety sensor 70, when the signals are not mistaken, the signals are transmitted to the impact sensor 7, the ECU 5 receives the electric signals of the impact sensor 7 and sends starting signals to the gas generating device 6, the gas generating device 6 ignites the detonator per se to ignite the main charge propellant, the propellant is combusted into nitrogen flow, the rapidly expanded gas causes the pressure of the air bag 3 to be increased and rapidly expanded in two ways, one part of the gas expands into the isolation buffer space 15 in the helmet body at the upper part of the air bag 3, the other part of the gas breaks through the annular leather decorative cover opening 14 and outwards pops out to release the air bag at the neck protecting part, and finally a communicated integral air bag is formed, so that the effect of protecting the head and the neck is realized, wherein sodium azide (NaN3) is stored in the gas generator 6, and nitrogen (N) is generated when the gas generator is subjected to violent impact₂) And the air bag is quickly filled to be expanded and popped up.

The utility model overcomes the defects and shortcomings of the prior art, the buffer layer 2 and the protective shell 1 are used for carrying out conventional primary passive protection on the head, when the collision accident is dangerous, the air bag 3 can be filled into the isolation buffer space 15 to ensure that the head is protected secondarily and actively, the neck can be also protected actively by surrounding the neck in a semi-surrounding way from the rear part through the air bag 3, the impact or rolling on the neck is caused by the buffer accident, so that the protection is realized, and the safety is greatly improved; moreover, the isolation buffer space 15 is arranged between the helmet liner 4 and the buffer layer 2, so that the air permeability of the helmet is improved, the problem of head stuffiness and heat is well solved, the problem that bacteria are easy to breed in the existing sponge body is also solved, meanwhile, the isolation buffer space 15 can buffer direct injury to the head due to slight impact, a buffer and shock absorption effect is achieved, and the function of avoiding the air bag 3 from generating unnecessary inflation action and opening the air bag by mistake when a normal object is slightly impacted or knocked down and does not reach an upper limit signal required by the action of the air bag 3 is achieved; in addition, the structure and the material of the air bag are improved, so that the safety is ensured, and the air bag is lighter; therefore, the neck-protecting and secondary head-protecting helmet of the utility model is a helmet which can protect the head and the neck comprehensively, can reduce the impact force born by the neck, and has good use comfort and higher safety.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

The utility model can be widely applied to the field of safety protective articles.

Claims

1. The utility model provides a rib and secondary helmet that protects head which characterized in that: comprises a protective shell (1), a buffer layer (2), an air bag (3), a cap liner (4) and a gas generating device (6), wherein the buffer layer (2) is attached and arranged on the whole inner side of the protective shell (1), the cap liner (4) is arranged in the protective shell (1) and used for sleeving the head, an isolation buffer space (15) is arranged between the cap liner (4) and the buffer layer (2), an air bag folding bin (12) is arranged between the cap liner (4) and the buffer layer (2) and at the position, close to the neck, of the protective shell (1), the air bag (3) is folded and stored in the air bag folding bin (12) for later use, an ECU (5) and a collision sensor (7) are arranged in the buffer layer (2), the ECU (5) is respectively and electrically connected with the gas generating device (6) and the collision sensor (7), when being collided, the impact sensor (7) sends a signal to the ECU (5), the ECU (5) sends a detonation instruction to the gas generating device (6) after receiving the impact signal, the gas generating device (6) rapidly inflates the air bag (3), the air bag (3) rapidly deploys, one part of the air bag is filled in the isolation buffer space (15), secondary protection is formed on the head inside the helmet, and the other part of the air bag surrounds the neck in a semi-surrounding manner from the rear part, so that the head and the neck of a human body are protected simultaneously.

2. A neck and secondary head protection helmet according to claim 1, wherein: the helmet liner (4) comprises a top wear (13) and a cushion pad (9), wherein the cushion pad (9) is located at the position of a back pillow of the head and is connected with the top wear (13).

3. A neck and secondary head protection helmet according to claim 2, wherein: the top wear (13) is provided with a sweat absorbing belt (16).

4. A neck and secondary head protection helmet according to claim 1, wherein: and the inner surface of the hat lining (4) is provided with an ice silk cooling mat (8) for wrapping the head.

5. A neck and secondary head protection helmet according to claim 1, wherein: the neck and secondary head helmet further comprises a reversible front bumper (10) which is positioned in front and used for shielding the face, and the front bumper (10) is connected with the protective shell (1) through a front bumper pin (11).

6. A neck and secondary head protection helmet according to claim 1, wherein: the back surface (32) of the part filled into the isolation buffer space (15) after the airbag (3) is unfolded is wavy.

7. A neck and secondary head protection helmet according to claim 1, wherein: when the air bag (3) is unfolded, the part surrounding the neck is ejected outwards from an annular leather decorative cover opening (14) at the bottom of the protective shell (1).

8. A neck and secondary head protection helmet according to claim 1, wherein: the thickness of the isolation buffer space (15) is 25-45 mm.

9. A neck and secondary head protection helmet according to claim 1, wherein: still be equipped with safety sensor (70) in buffer layer (2), safety sensor (70) are used for judging whether the striking response that striking sensor (7) received is the false signal.

10. A neck and secondary head protection helmet according to claim 1, wherein: the air bag (3) is made of full-molded coating safety air bag fabric, the matrix is high-strength polyamide fiber, and the coating is silicon rubber.