CN217242862U - Buffer device and safety helmet with same - Google Patents

Abstract

The application relates to the technical field of safety helmets, in particular to a buffer device and a safety helmet with the same, wherein the buffer device comprises a first air bag device which is used for buffering and damping external impact force and is integrally in a cone structure; the second air bag device is used for buffering and damping external impact force and is of an elliptic structure as a whole; and a pressure equalizing tube for connecting communication between the first airbag device and the second airbag device; one of them first gasbag device both sides are with a plurality of form a buffer behind the second gasbag device passes through the atmospheric pressure balance pipe series connection, and under the user state, the gas in first gasbag device and a plurality of second gasbag device switches on each other through the atmospheric pressure balance pipe for buffer wholly is in stable state, including buffer in the safety helmet, the utility model discloses simple structure, low in manufacturing cost, convenient to use, easy maintenance, great reinforcing the security performance of safety helmet is favorable to alleviateing and preventing the incident.

Description

Buffer device and safety helmet with same

Technical Field

The application relates to the technical field of safety helmets, in particular to a buffering device and a safety helmet with the buffering device.

Background

The safety helmet is necessary in engineering construction, the traditional safety helmet only depends on a hard shell to protect people, in the process of high-altitude cross operation, due to the fact that objects falling from high altitudes have great damage to the safety helmet, casualties are caused, and if the safety helmet with the buffering device is worn, the probability of casualties can be reduced.

The existing safety helmet with a buffer device is provided with a pressure sensor on the inner layer of the safety helmet, the pressure sensor feeds back a received pressure signal to a blasting airbag, the blasting airbag can blast when the pressure reaches a set value, the head is protected from being damaged greatly by upward bounce, the safety airbag is directly arranged in the safety helmet, the impact of external force is buffered directly, an inner boss extends inwards from the lower shell of the safety helmet, a spring is arranged on the inner boss, a cushion pad and a safety airbag device are arranged in the safety helmet, the impact force is judged through a gravity sensor, and then whether the safety airbag is started to be protected is inspired.

Admittedly, the brain damage of external impact force to the safety helmet protection can be alleviated to a certain extent to above-mentioned device, but be mutual principle according to the effect of the force, even through devices such as blasting gasbag, can cause the reaction force to human neck when the gasbag explodes, and then cause user's collateral damage, for example measure such as buffer spring that department set up under the safety helmet, in fact still can cause collateral damage to positions such as human neck, learn from this, when external impact force acts on the safety helmet, the inside device of safety helmet can absorb the shock attenuation impact force and be the most effective mode, not only can reduce the damage of external impact force to the brain, can not cause the collateral damage because the reaction force causes simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the technical defects, the embodiment of the application provides a buffer device and a safety helmet with the buffer device.

According to a first aspect of embodiments herein, there is provided a buffer device comprising

The first air bag device is used for buffering and damping external impact force and is integrally in a cone structure;

the second air bag device is used for buffering and damping external impact force and has an elliptic structure as a whole; and

the air pressure balance pipe is used for connecting the communication between the first air bag device and the second air bag device;

the two sides of one first air bag device and the second air bag devices are connected in series through the air pressure balance pipe to form a buffer device, in a use state, air in the first air bag device and the second air bag devices is communicated with each other through the air pressure balance pipe, so that the whole buffer device is in a stable state, the volume of the first air bag device is larger than that of the second air bag device, the first air bag device is composed of a conical bottom and conical tips arranged on the end face of the conical bottom, the conical tips are multiple, and the conical tips are dispersed outwards from high to low in the center in an umbrella shape.

According to the buffering device, the air pressure balancing pipe is internally provided with the conducting piece for bidirectional air flow circulation.

According to a second aspect of the embodiments of the present application, there is provided a safety helmet, comprising a safety helmet shell, a buffer layer, a puncture-proof layer, a safety helmet lining layer, and the above-mentioned buffer device.

As for the safety helmet, the buffer device is arranged in the buffer layer in an arc surface structure.

According to the safety helmet, the first air bag device forming the buffer device is located at the highest point of the middle part of the buffer layer, the highest point is opposite to the arc top of the shell of the safety helmet, and the second air bag device is filled in the rest positions of the buffer layer.

As the safety helmet is arranged, the ACF buffer material is filled between the safety helmet shell and the buffer layer.

In the safety helmet, the stab-resistant layer is made of stab-resistant material.

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

by adopting the technical scheme provided in the embodiment of the application, the buffer layer and the puncture-proof layer are arranged in the safety helmet, wherein ACF buffer materials are filled between the safety helmet shell and the buffer layer, the ACF buffer materials have the functions of buffering, shock absorption and energy absorption, and are filled between the safety helmet shell and the buffer layer to play the primary buffering to the impact force, meanwhile, the buffer device consisting of a plurality of air bag devices is arranged in the buffer layer, the buffer device is arranged in the buffer layer in an arc surface structure, and can further buffer the impact force of the ACF buffer materials which is not completely buffered, in addition, the puncture-proof layer arranged in the safety helmet can prevent the broken safety helmet shell fragments damaged by external force to the maximum extent, and prevent the broken safety helmet fragments from entering the inner liner of the safety helmet to puncture a user, the utility model has the advantages of simple structure, low manufacturing cost, convenient use and easy maintenance, the safety performance of the safety helmet is greatly enhanced, and safety accidents are favorably reduced and prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the cushioning device of FIG. 1;

fig. 3 is a schematic structural diagram of the first airbag device in fig. 1.

In the figure: 1. a first airbag device; 11. a conical bottom; 12. a conical tip; 2. a second airbag device; 3. a pressure balance tube; 31. a conducting piece; 4. a helmet shell; 5. a buffer layer; 6. a puncture-proof layer; 7. an inner lining layer of the safety helmet.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example 1

The embodiment of the application provides a buffer device, as shown in fig. 2, which comprises a first air bag device 1, a second air bag device and a third air bag device, wherein the first air bag device is used for buffering and damping external impact force and is integrally in a cone structure; the second air bag device 2 is used for buffering and damping external impact force and has an elliptic structure as a whole; and a pressure equalizing tube 3 for connecting communication between the first airbag apparatus 1 and the second airbag apparatus 2;

two sides of one first airbag device 1 and a plurality of second airbag devices 2 are connected in series through an air pressure balance tube 3 to form a buffer device, and in a use state, for example, under the condition of external impact force, when any one of the first airbag device 1 and the plurality of second airbag devices 2 is subjected to external impact force, an acting point on the extruded airbag device deforms due to extrusion, so that gas of the extruded airbag device escapes to other airbag devices through the air pressure balance tube 3, after the extrusion of the extruded airbag device disappears, gas in other airbag devices enters the extruded airbag device through the air pressure balance tube 3, and in the whole process, the buffer device is in a stable state.

Example 2

In the present embodiment, as shown in fig. 1, a safety helmet is provided, which includes the buffering device of embodiment 1 and is disposed in the safety helmet, the safety helmet includes a safety helmet outer shell 4, a buffering layer 5, a puncture-proof layer 6 and a safety helmet inner liner 7, and in order to conform to the internal structure of the safety helmet, the buffering device is set to be in an arc surface structure and is disposed in the buffering layer 5.

In this embodiment, since the probability of risk to the top of the crash helmet is greater than that of the rest of the crash helmet when the crash helmet is worn, the first airbag device 1 constituting the cushioning device is located at the highest point in the middle of the cushioning layer 5, the highest point is opposite to the arc top of the crash helmet shell 4, and the second airbag device 2 is inflated at the rest of the cushioning layer 5.

In the embodiment, in order to enable the cushioning device to bear the cushioning force to the maximum extent when the cushioning device is subjected to the impact force, the first airbag device 1 is composed of a conical bottom 11 and conical tips 12 arranged on the upper end face of the conical bottom 11, and experiments show that the conical shape can bear a larger pressure than other shapes when the conical shape is subjected to the pressure, so that, in order to better adapt to the internal structure of the safety helmet, the conical tips 12 are multiple, and the conical tips 12 are dispersed like an umbrella from the center to the outside from the high to the low, so that the first airbag device 1 at the top in the safety helmet protects the area at the top of the safety helmet, the second airbag device 2 fills the rest positions of the cushioning layer 5, and meanwhile, in order to better enable the cushioning device to have smaller deformation when the cushioning device is subjected to a smaller impact force, a conducting piece 31 for bidirectional air flow is arranged in the air pressure balancing pipe 3, the conducting piece 31 can bear a certain air pressure, when it is reached that the pressure of the gas to which the lead-through 31 is subjected exceeds its limit value, the lead-through 31 opens and the gas is put into mutual communication.

In the present embodiment, since the area occupied by the first airbag device 1 is large, the volume of the first airbag device 1 is larger than that of the second airbag device 2.

In this embodiment, since the impact force received by the helmet is received through the helmet shell 4 first, it is important to fill a certain impact-resistant material between the helmet shell 4 and the buffer layer 5, and therefore, an ACF buffer material is filled between the helmet shell 4 and the buffer layer 5, and the ACF buffer material has buffering, shock-absorbing and energy-absorbing functions, and is filled between the helmet shell and the buffer layer to perform primary buffering on the impact force, and the buffer device can further buffer and absorb the impact force that is not buffered by the ACF buffer material.

In this embodiment, be equipped with puncture-proof layer 6 in the safety helmet, puncture-proof layer 6 can furthest will prevent owing to receive the damaged safety helmet shell fragment of external force, prevents that the safety helmet fragment from stabbing the user after getting into the safety helmet inner liner, and puncture-proof layer 6 can use and prevent that the thorn material makes.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (7)

1. A cushioning device, comprising:

the first air bag device (1) is used for buffering and damping external impact force and is integrally in a cone structure;

the second air bag device (2) is used for buffering and damping external impact force and is of an elliptic structure as a whole; and

a pressure equalizing tube (3) for connecting the communication between the first airbag device (1) and the second airbag device (2);

wherein one first gasbag device (1) both sides and a plurality of second gasbag device (2) form a buffer after through atmospheric pressure balance tube (3) series connection, and under the user state, the gas in first gasbag device (1) and a plurality of second gasbag device (2) switches on each other through atmospheric pressure balance tube (3), make buffer whole be in stable condition, first gasbag device (1) volume is greater than second gasbag device (2) volume, first gasbag device (1) comprises circular cone end (11) and circular cone point (12) of establishing at circular cone end (11) up end range, circular cone point (12) are a plurality of, a plurality of circular cone point (12) are the umbelliform by the center outwards by high to low and scatter.

2. A damping device according to claim 1, characterized in that the pressure equalizing tube (3) is provided with a conducting element (31) for the bi-directional flow of the air.

3. A safety helmet comprising a helmet shell (4), a cushioning layer (5), a puncture-resistant layer (6) and a helmet liner (7), characterized in that it further comprises a cushioning device according to any one of claims 1-2.

4. A safety helmet according to claim 3, characterized in that the cushioning means are provided in the cushioning layer (5) in the form of a circular arc surface.

5. A safety helmet according to claim 4, characterized in that the first air-bag means (1) forming said cushioning means is located at a central highest point of the cushioning layer (5), which highest point is located opposite the top of the arc of the helmet shell (4), and the second air-bag means (2) is inflated in the rest of the cushioning layer (5).

6. A safety helmet according to claim 5, characterized in that ACF buffer material is filled between the helmet shell (4) and the buffer layer (5).

7. A safety helmet according to claim 5, characterized in that the puncture-proof layer (6) is made of a puncture-proof material.

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