WO2020182192A1

WO2020182192A1 - Composite impact-resistance structure

Info

Publication number: WO2020182192A1
Application number: PCT/CN2020/079054
Authority: WO
Inventors: 王纲; 陈俊昕; 秦毅; 王晶
Original assignee: 深圳安迪上科新材料科技有限公司
Priority date: 2019-03-12
Filing date: 2020-03-12
Publication date: 2020-09-17
Also published as: CN209965291U

Abstract

Disclosed is a composite impact-resistance structure, comprising a cushioning material portion (1) made of a cushioning material, and air sacs (2), wherein the cushioning material portion (1) is wrapped around the air sacs (2); a safety protection device is provided on the cushioning material portion (1), and the safety protection device guides air in the air sacs (2) to be discharged in a specified direction when the air sacs (2) are burst. By means of the cushioning material portion (1) enhancing the cushioning effect against an external impact force, and also by means of the air sacs (2) that are provided, which enhance the rigidity of the composite impact-resistance structure in the direction of the external impact force, a protector having the composite impact-resistance structure can effectively absorb energy from the external impact force, thereby reducing damage to a person caused by the external impact force.

Description

Composite impact resistance structure

Technical field

The utility model relates to the technical field of anti-impact protection, in particular to a composite anti-impact structure.

Background technique

With the increasing popularity of sports, safety issues that arise during the exercise have also been paid more and more attention. In order to solve the injuries caused by external impact, such as bone damage and muscle damage, the market mostly uses impact-resistant materials to make back protectors, knee protectors, wrist protectors, elbow protectors or ankle protectors. In the prior art, the performance of anti-impact protective materials changes with temperature. Its characteristic of softening when exposed to heat makes the protective gear made of this anti-impact protective material, although the cushioning performance of the protective protective gear becomes stronger when it is impacted by the outside world, its rigidity is greatly reduced, resulting in the protective protective gear's impact on the outside world The absorption of the generated energy and vibration energy becomes weak, which reduces the safety protection performance of the protective protective gear. Therefore, it is increasingly important to use impact-resistant protective materials that have both cushioning properties and rigidity to make daily safety protective gear.

technical problem

The main purpose of the utility model is to provide a composite impact-resistant structure. The protective protective gear made of materials with the composite impact-resistant structure not only has high cushioning performance, but also can absorb the energy brought by external impact, thereby Reduce the damage caused by external impact.

Technical solutions

The utility model provides a composite anti-impact structure, which comprises a cushioning material part made of a cushioning material and an airbag, and the cushioning material part is wrapped around the outer periphery of the airbag;

The cushioning material portion is provided with a safety protection device, and the gas in the airbag is drained to a specified direction and discharged through the safety protection device when the airbag bursts.

Further, the cushioning material portion includes a first cushioning material portion in a specified direction and a second cushioning material portion outside the specified direction, and the first cushioning material portion is connected to the second cushioning material portion and then covered The outer circumference of the airbag, and the safety protection device is arranged on the first buffer material part.

Further, the airbag includes at least one of a rigid airbag and a non-rigid airbag.

Further, the safety protection device provided on the first cushioning material portion around the rigid airbag is a first airflow groove provided in a specified direction of the first cushioning material portion, and the first airflow groove is used for the When the rigid airbag bursts, the gas in the rigid airbag is diverted to a specified direction and discharged.

Further, the thickness of the first buffer material portion is smaller than the thickness of the second buffer material portion.

Further, the safety protection device provided on the first cushioning material portion around the non-rigid airbag includes a second airflow groove arranged in a specified direction of the first cushioning material portion, and the second airflow groove is used for the When the non-rigid airbag is blasted, the gas in the non-rigid airbag is drained to a specified direction and discharged.

Further, the safety protection device provided on the first cushioning material part around the non-rigid airbag further includes a thorn part arranged in a specified direction of the first cushioning material part, and the thorn part is arranged toward the non-rigid airbag , And a safety distance is provided between the spike and the non-rigid airbag.

Further, at least one airbag is provided.

Further, the buffer material part is at least one of a polyurethane layer, an EVA material layer, a D3O material layer, a PORON material layer, an EUDEFOAM material layer, a rubber material layer, and a foam material layer.

Beneficial effect

The composite anti-impact structure provided in the utility model has the following beneficial effects:

The composite anti-impact structure provided in the utility model includes a buffer material part made of a buffer material and an airbag, the buffer material part is wrapped around the outer periphery of the airbag; the buffer material part is provided with a safety protection device, When the airbag bursts, the gas in the airbag is diverted to a designated direction and discharged by the safety protection device. The composite anti-impact structure provided by the utility model optimizes the performance of the protective material to a large extent, thereby improving the safety protection performance of the protective protective gear made of the protective material with the composite anti-impact structure. In the present invention, the cushioning material portion enhances the cushioning effect of the external impact force, and at the same time, through the provided airbag, the rigidity of the composite anti-impact structure in the direction of the external impact force is enhanced. Therefore, the protective protective gear with the composite anti-impact structure can effectively absorb the energy brought by the external impact, thereby reducing the injury caused by the external impact.

[Corrected according to Rule 91 07.04.2020]
Description of the drawings

[Corrected according to Rule 91 07.04.2020]
Figure 1 is a schematic structural diagram of an embodiment of the composite anti-impact structure of the present invention; [0017] Figure 2 is a schematic structural diagram of a rigid airbag in an embodiment of the composite anti-impact structure of the present invention;

[Corrected according to Rule 91 07.04.2020]
Figure 3 is a schematic structural diagram of a rigid airbag in another embodiment of the composite anti-impact structure of the present invention;

[Corrected according to Rule 91 07.04.2020]
Figure 4 is a schematic structural diagram of a non-rigid airbag in an embodiment of the composite anti-impact structure of the present invention;

[Corrected according to Rule 91 07.04.2020]
Figure 5 is a simplified structure of multiple airbags in another embodiment of the composite anti-impact structure of the present invention;

[Corrected according to Rule 91 07.04.2020]
The realization, functional characteristics and advantages of the utility model will be further explained in conjunction with the embodiments and with reference to the drawings.

The best mode of the invention

It should be understood that the specific embodiments described here are only used to explain the present utility model, but not to limit the present utility model.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" and other directions indicated Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and Operation, therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more than two, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or an option. Detachable connection, or integral connection; it can be a mechanical connection, it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can be a connection between two elements or an interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present utility model can be understood according to specific circumstances.

In the present invention, unless otherwise clearly defined and defined, the first feature “on” or “under” the second feature may include direct contact between the first and second features, or include the first and second features. Features are not in direct contact but through other features between them. Moreover, "above", "above" and "above" the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is higher in level than the second feature. The “below”, “below” and “below” of the first feature of the second feature include the first feature directly above and diagonally above the second feature, or it simply means that the level of the first feature is smaller than the second feature.

Refer to Figure 1, which is a schematic structural diagram of an embodiment of the composite protective protective gear of the present invention. The protective protective gear mentioned in this embodiment is a protective protective gear with the composite anti-impact structure provided in the present invention.

In the embodiment of the present invention, a composite impact-resistant structure is provided, which includes a buffer material portion 1 made of a buffer material and an airbag 2. The buffer material portion 1 is wrapped around the outer periphery of the airbag 2; the buffer material The part 1 is provided with a safety protection device, through which the gas in the airbag 2 is drained to a specified direction and discharged when the airbag 2 bursts.

In this embodiment, the composite anti-impact structure adopts a cushioning material portion 1 to enhance its cushioning performance when subjected to an external impact, and at the same time, an airbag 2 is provided inside the cushioning material portion 1. The addition of the above composite anti-impact structure makes the compression smaller under the action of the external impact force, the rigidity is increased, it plays a good supporting role for the cushioning material part 1, and optimizes the safety performance of the traditional protective gear. In this embodiment, a safety protection device is provided on the buffer material portion 1 to regulate the maximum external impact force that the composite anti-impact structure can withstand. The safety protection device will not be triggered within the range of safety external impact. When the external impact force is greater than the maximum external impact force specified by the safety protection device, the safety protection device is triggered. At this time, the airbag 2 in the composite anti-impact structure blasts, and the safety protection device diverts the gas in the airbag 2 to a specified direction and discharges, so as to reduce the injury caused to people when the airbag 2 blasts. In this embodiment, the gas in the airbag is a low-risk gas.

In the embodiment of the present invention, the buffer material portion 1 includes a first buffer material portion in a specified direction and a second buffer material portion outside the specified direction. The first buffer material portion and the second buffer material portion The part is connected to wrap around the outer circumference of the airbag 2, and the safety protection device is arranged on the first buffer material part.

In this embodiment, since the cushioning material portion 1 requires different molds during molding, and in order to set the gas flow direction after the airbag 2 is blasted, the cushioning material portion 1 is divided into a first cushioning material portion and The second buffer material part is provided with a safety protection device on the first buffer material part. In this way, the composite anti-impact structure provided by the utility model can not only minimize the damage to the human body caused by the external impact force, but also provide the maximum external impact force that the protective protective gear can withstand, and clarify the safety of the protective protective gear. Protection range.

In the embodiment of the present invention, the airbag 2 includes at least one of a rigid airbag 21 and a non-rigid airbag 22. The safety protection device provided on the first buffer material portion around the rigid airbag 21 is a first airflow groove 31 arranged in a designated direction of the first buffer material portion, and the first airflow groove 31 is used for the When the rigid airbag 21 bursts, the gas in the rigid airbag 21 is diverted to a specified direction and discharged. In particular, the thickness of the first buffer material portion is smaller than the thickness of the second buffer material portion. (See Figure 2)

In one embodiment, the rigid airbag 21 is mainly further described. Due to the characteristics of the rigid airbag 21 itself, when subjected to external impact, the gas volume inside the rigid airbag 21 will not increase, but its internal pressure will increase, making the composite impact-resistant structure of the rigid airbag 21 more rigid, The supporting effect of the cushion material portion 1 is increased. In order to achieve maximum safety protection, the gas inside the rigid airbag 21 can be discharged in a designated direction when the rigid airbag 21 is blasted. In this embodiment, a first air flow groove 31 is provided, and the thickness of the first buffer material part is made smaller than the first 2. The thickness of the buffer material part. In this way, when the rigid airbag 21 receives an external impact force, the gas in the rigid airbag 21 will expand toward the thin-thickness of the first buffer material portion; when the external impact force exceeds the maximum external impact force, the rigid airbag 21 Blasting, and the gas in the rigid airbag 21 is led out of the composite anti-impact structure in this embodiment under the action of the first airflow groove 31, which reduces the random flow of the blasting gas of the rigid airbag 21 to the human body Danger coming.

Referring to FIG. 3, in another embodiment, a protruding portion may be provided on the rigid airbag 21, and the cushioning material portion 1 covering the outer periphery of the non-rigid airbag 21 is uniformly arranged, so that the rigid airbag 21 The cushion material portion 1 on the side of the airbag 21 with the protruding portion is relatively thin compared to other places. When the composite anti-impact structure made of the composite structure material is impacted and blasted by the maximum external impact force, the gas in the rigid airbag 21 will start to explode from the protrusion of the rigid airbag 21, ensuring The direction of gas blasting minimizes the damage caused by gas blasting to the human body.

4, in another case of the embodiment of the present utility model, the safety protection device provided on the first cushioning material portion around the non-rigid airbag 22 includes the first cushioning material portion arranged in a designated direction The second airflow groove 32 is used to divert the gas in the non-rigid airbag 22 to a specified direction when the non-rigid airbag 22 is blasted. The safety protection device provided on the first cushioning material portion around the non-rigid airbag 22 further includes a spike 33 arranged in a specified direction of the first cushioning material portion, and the spike 33 faces the non-rigid airbag 22 A safe distance is provided between the spike 33 and the non-rigid airbag 22.

In another embodiment, the non-rigid airbag 22 is mainly described further. Due to the characteristics of the non-rigid airbag 22 itself, when subjected to an external impact, the gas inside the non-rigid airbag 22 will expand due to heat. The expansion of the non-rigid airbag 22 will push the cushioning material portion 1 It stretches in a certain direction, so that the rigidity of the composite anti-impact structure increases, and its supporting effect becomes greater. In order to reduce the damage caused by the gas inside the non-rigid airbag 22 when the non-rigid airbag 22 bursts, a second airflow groove 32 is provided in the designated direction of the first cushioning material part, in order to further enhance the protective gear In addition, the first buffer material part is provided with a spike 33 in the specified direction, and a safety distance is provided between the spike 33 and the non-rigid airbag 22. Within the range of the maximum external impact force, the The spike 33 does not affect the non-rigid airbag 22. Only when the external impact force is greater than the maximum external impact force, the thorn 33 will pierce the non-rigid airbag 22, and pass the gas inside the non-rigid airbag 22 through the second airflow groove 32 Drainage and discharge.

Further, in the present invention, at least one airbag 2 is provided. The cushioning material portion 1 is at least one of a polyurethane layer, an EVA material layer, a D3O material layer, a PORON material layer, an EUDEFOAM material layer, a rubber material layer, and a foam material layer.

Referring to Fig. 5, in another embodiment, when the protective protective gear manufactured is relatively large, or when the volume of the airbag 2 provided is small, multiple airbags 2 may be provided. It should be noted that when multiple airbags 2 are installed, it is necessary to provide the type of safety protection device of the first buffer part according to the nature of the airbag 2 to be installed and whether it is a rigid airbag 21 or a non-rigid airbag 22. In this embodiment, in order to facilitate the demonstration effect, two non-rigid airbags 22 are provided in the cushioning material portion 1.

In the above embodiment, a composite impact-resistant structure is provided, including a cushioning material part made of a cushioning material and an airbag, the cushioning material part is wrapped around the outer periphery of the airbag; the cushioning material part is provided with A safety protection device, through which the gas in the airbag is drained to a specified direction and discharged when the airbag bursts. The composite anti-impact structure provided by the utility model optimizes the performance of the protective material to a great extent, and further improves the safety protection performance of the protective protective gear made of the protective material with the composite anti-impact structure. In the present invention, the cushioning material portion enhances the cushioning effect of the external impact force, and at the same time, through the provided airbag, the rigidity of the composite anti-impact structure in the direction of the external impact force is enhanced. Therefore, the protective protective gear with the composite anti-impact structure can effectively absorb the energy brought by the external impact, thereby reducing the injury caused by the external impact. In addition, the present utility model is also provided with a safety protection device on the buffer material part, which clarifies the safety protection range of the protection protective gear with the composite anti-impact structure.

[Corrected according to Rule 91 07.04.2020]
The above are only the preferred embodiments of the present utility model, and do not limit the scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the utility model description and drawings, or directly or indirectly used in Other related technical fields are included in the patent protection scope of this utility model in the same way.

Claims

A composite anti-impact structure, characterized in that it comprises a buffer material part made of a buffer material and an airbag, the buffer material part is wrapped around the outer periphery of the airbag;

The cushioning material portion is provided with a safety protection device, and the gas in the airbag is drained to a specified direction and discharged through the safety protection device when the airbag bursts.
The composite anti-impact structure according to claim 1, wherein the cushion material part comprises a first cushion material part in a specified direction and a second cushion material part outside the specified direction, and the first cushion material The part is connected with the second buffer material part and is wrapped around the outer periphery of the airbag, and the safety protection device is arranged on the first buffer material part.
The composite anti-impact structure according to claim 2, wherein the airbag includes at least one of a rigid airbag and a non-rigid airbag.
The composite anti-impact structure according to claim 3, wherein the safety protection device provided on the first cushioning material part around the rigid airbag is a first guiding device arranged in a designated direction of the first cushioning material part. An air flow groove, the first air flow groove is used to divert the gas in the rigid airbag to a specified direction for discharge when the rigid airbag is blasted.
The composite anti-impact structure according to claim 4, wherein the thickness of the first buffer material portion is smaller than the thickness of the second buffer material portion.
The composite anti-impact structure according to claim 3, wherein the safety protection device provided on the first cushioning material part around the non-rigid airbag comprises a second cushioning material part arranged in a designated direction. An air flow groove, the second air flow groove is used to divert the gas in the non-rigid airbag to a specified direction and discharge when the non-rigid airbag is blasted.
The composite anti-impact structure according to claim 6, wherein the safety protection device provided on the first cushioning material part around the non-rigid airbag further comprises a safety protection device arranged in a designated direction of the first cushioning material part. The thorn part is arranged toward the non-rigid airbag, and a safety distance is provided between the thorn part and the non-rigid airbag.
The composite anti-impact structure according to claim 1, wherein at least one airbag is provided.
The composite impact-resistant structure according to claim 1, wherein the cushioning material part is a polyurethane layer, an EVA material layer, a D3O material layer, a PORON material layer, a EUDEFOAM material layer, a rubber material layer, and a foam material layer. At least one of them.