CN110638131A - Protective helmet - Google Patents

Abstract

The invention discloses a protective helmet, which belongs to the technical field of head protection devices. The present invention includes a casing, a buffer layer and a sliding layer, the buffer layer is fixed inside the casing, and the sliding layer is arranged inside the buffer layer; a sliding gap is left between the sliding layer and the buffer layer, and the sliding layer and the buffer layer are connected There is an elastic suspension device, the elastic suspension device includes an inner connection end and an outer connection end, a deformation gap is left between the inner connection end and the outer connection end, and a normal state is formed between the lower end of the inner connection end and the lower end of the outer connection end. It is a buffer bending that can maintain the inherent shape and spacing of the sliding layer and the buffer layer, and can produce lifting and twisting deformation after being impacted. The invention is used for head safety protection, especially sports protection. The sliding layer of the invention can realize multi-angle and large-scale dexterous sliding under the action of the elastic suspension device, thereby effectively reducing the impact force on the head caused by the impact of external force, providing more Good head protection.

Description

protective helmet

technical field

The invention relates to a protective helmet, belonging to the technical field of safety protection and sports protection.

Background technique

At present, some sports fields that require head protection, such as cycling and rock climbing, use some protective helmets with sliding layers to offset the damage to the head and brain caused by external impacts.

The sliding layer on the inner side of the helmet in the prior art generally adopts the elastic rubber band four-point fixing method to connect the sliding layer and the buffer layer in the helmet, or uses four rotating shaft brackets to suspend the sliding layer, such as Chinese Patent CN102905570A "With Helmet of Slip Promoting Objects Arranged at the Energy Absorbing Layer, etc. The existing connection and fixing methods all have the problem that the sliding resistance is relatively large after the sliding layer is fixed due to the too large pulling force. That is to say, under the action of external force, the sliding resistance of the sliding layer is large, resulting in untimely sliding, and the instantaneous sliding angle and amplitude are greatly limited, which affects the sliding layer on the inside of the helmet and reduces the protective buffering effect of the helmet.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a protective helmet. An elastic suspension device is used between the sliding layer and the buffer layer inside the protective helmet. Under the action of external force, the elastic suspension device has a large deformation range. The angle is flexible and changeable, which can better promote the instantaneous sliding of the sliding layer, and the sliding range and angle of the sliding layer are more flexible. Therefore, better head protection can be provided, and the damage caused by the impact of the external force on the head can be avoided.

The present invention is achieved through the following technical solutions: A protective helmet, comprising an outer shell, a buffer layer and a sliding layer, the buffer layer is fixed inside the outer shell, and the sliding layer is arranged inside the buffer layer, characterized in that: the sliding layer A sliding gap is left between the layer and the buffer layer, an elastic suspension device is connected between the sliding layer and the buffer layer, and the elastic suspension device includes an inner connection end connected with the sliding layer, and an elastic suspension device connected with the sliding layer. The outer connection end connected by the buffer layer, a deformation gap is left between the inner connection end and the outer connection end, and a lower end of the inner connection end and the lower end of the outer connection end are formed to maintain the sliding layer and buffer under normal conditions. The inherent shape and spacing of the layers, and the buffer bending that can produce lifting and twisting deformation after impact.

Further, the buffer bending is an arc-shaped bending, and the section of the elastic suspension device is "U"-shaped.

Further, the elastic suspension device adopts a plate-shaped flexible elastic material.

As an improvement, the elastic suspension device is continuously arranged around a circumference between the sliding layer and the buffer layer.

As an improvement, the elastic suspension device is arranged in sections between the sliding layer and the buffer layer.

As an improvement, a suspension groove is provided in the buffer layer, and the outer connecting end of the elastic suspension device is fixed on the inner wall of the suspension groove.

Further, the outer connecting end of the elastic suspension device is fixed on the buffer layer by rivets.

Further, a buckle is provided on the outer side of the inner connecting end of the elastic suspension device, a buckle connecting hole matched with the buckle is arranged on the sliding layer, and a narrow neck is arranged between the buckle and the inner connecting end. , the upper part of the snap connection hole is a large hole that fits with the shape of the snap, the lower part of the snap connection hole is a long hole that fits with the narrow neck, and the inner connecting end is buckled through the snap and the snap connection hole. on the sliding layer.

As an improvement, the narrow neck is fixed above the center of the buckle.

As an improvement, both the buckle and the narrow neck are circular, and the diameter of the narrow neck is smaller than the diameter of the buckle.

The beneficial effects of the present invention are:

The elastic suspension device adopted in the present invention includes an inner connection end connected with the sliding layer and an outer connection end connected with the buffer layer, and a deformation gap is left between the inner connection end and the outer connection end, and the inner connection end A buffer bend is formed between the lower end of the end and the lower end of the outer connection end, the inner connection end and the outer connection end are preferably integrally formed, and the buffer bend is preferably arc-shaped. Such a structure, such as a preferred "U"-shaped cross-section structure, remains stable in the elastic suspension structure under normal conditions, can maintain the inherent shape and spacing between the sliding layer and the cushioning layer in the helmet, and is elastic after impact. The suspension device can also generate fluid lifting and twisting deformation along the cross-sectional shape.

Therefore, under the action of external force, the elastic suspension device has a large deformation range and a flexible angle. Compared with the existing fixing method of the sliding layer and the buffer layer, it can better promote the instantaneous sliding of the sliding layer, and the sliding effect is more flexible. The amplitude is also larger, which can realize free changes in three-dimensional space and multiple angles, so as to strain the sliding during collisions that appear in different directions. Provide better head protection and avoid damage caused by external force on head impact.

The invention is simple in structure, safe and reliable. And it has a wide range of applications, such as bicycles, rock climbing, roller skating and other sports fields that require head protection, and has high promotion value.

Description of drawings

The present invention will be further described below according to the accompanying drawings and embodiments.

Fig. 1 is the internal structure schematic diagram of the present invention;

Fig. 2 is the overall structure schematic diagram of the present invention;

Fig. 3 is the exploded view of the present invention;

Fig. 4 is the perspective view from the bottom of the present invention;

5 is a schematic structural diagram of the elastic suspension device of the present invention;

6 is a schematic diagram of the external structure of the elastic suspension device of the present invention at two angles;

Fig. 7 is a schematic diagram of a sliding layer of the present invention with an elastic suspension device;

FIG. 8 is a schematic diagram of an embodiment of the continuous arrangement of the elastic suspension devices surrounding a circumference of the present invention.

In the figure, 1. Sliding layer, 11. Snap connection hole, 2. Elastic suspension device, 21. Inner connection end, 22. Outer connection end, 23. Buffer bending, 24. Deformation gap, 3. Buffer layer, 31 .Hanging groove, 4. Shell, 5. Rivet, 6. Snap, 61. Narrow neck.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized specification.

A protective helmet as shown in FIG. 1-FIG. 7 includes an outer shell 4, a buffer layer 3 and a sliding layer 1. The buffer layer 3 is fixed inside the outer shell 4, and the sliding layer 1 is arranged inside the buffer layer 3. It is characterized in that: a sliding gap is left between the sliding layer 1 and the buffer layer 3, an elastic suspension device 2 is connected between the sliding layer 1 and the buffer layer 3, and the elastic suspension device 2 includes and The inner connecting end 21 connected with the sliding layer 1 and the outer connecting end 22 connected with the buffer layer 3 have a deformation gap 24 between the inner connecting end 21 and the outer connecting end 22. A buffer bend 23 is formed between the lower end and the lower end of the outer connecting end 22 , which can maintain the inherent shape and spacing of the sliding layer 1 and the buffer layer 3 under normal conditions, and can also lift and twist after being impacted.

As shown in Figures 1 and 5, as a preferred "U"-shaped cross-sectional structure, the buffer bending 23 is an arc-shaped bending, and the cross-section of the elastic suspension device 2 is "U"-shaped. Under normal conditions, the structure of the elastic suspension device 2 remains stable, and can maintain the inherent shape of the sliding layer 1 and the buffer layer 3 in the helmet and the distance between them, and the elastic suspension device 2 can follow the "U" cross-sectional shape after being impacted. , as shown by the arrows in Figure 5, the fluidity rises and falls and twists and deforms.

As an embodiment, the elastic suspension device 2 adopts a plate-shaped flexible elastic material, such as silica gel, rubber, elastic soft material, and the like. The elastic suspension device 2 can be integrally formed with a plate-shaped flexible and high-elastic material, and at the same time, it is also ensured that the original shape can be maintained when it is not impacted. Or at least use flexible and high-elasticity material in the part where the buffer bending 23 can be generated.

As an example, the elastic suspension device 2 can be continuously arranged in a circle between the sliding layer 1 and the buffer layer 3 , as shown in FIG. 8 , that is, the elastic suspension device 2 is enclosed in a circle and connected to the sliding between layer 1 and buffer layer 3.

As another embodiment, the elastic suspension device 2 may be arranged in sections between the sliding layer 1 and the buffer layer 3 . As shown in Figure 4, the hooking positions can be four points. Of course, it can also be two points, three points, five points, or even more, etc. The length, position and number of attachment points can be set according to specific needs.

As an improvement, a suspension groove 31 is provided in the buffer layer 3 , and the outer connecting end 22 of the elastic suspension device 2 is fixed on the inner wall of the suspension groove 31 . When the deformation gap 24 of the elastic suspension device 2 is larger than the set value of the sliding gap between the sliding layer 1 and the buffer layer 3, it is better to set the suspension groove 31 to prevent the instability caused by the excessive sliding gap, and also provide Large installation space.

The outer connecting end 22 of the elastic suspension device 2 can be fixed on the buffer layer 3 by the rivet 5 . When the elastic suspension device 2 is made of elastic soft rubber, silica gel, plastic, etc., the rivet 5 can also be made of plastic material. As shown in Figures 1 and 5, the outer connecting end 22 of the elastic suspension device 2 has reserved holes, and the rivet 5 passes through it. It is fixed to the buffer layer 3 through the hole.

As an embodiment, a buckle 6 may be provided on the outer side of the inner connecting end 21 of the elastic suspension device 2 . As shown in FIG. 1 , FIG. 5 and FIG. 6 , the sliding layer 1 is provided with a buckle 6 . The matching buckle connection hole 11 has a narrow neck 61 between the buckle 6 and the inner connecting end 21 , the upper part of the buckle connection hole 11 is a large hole adapted to the shape of the buckle, and the lower part of the buckle connection hole 11 It is a long hole adapted to the narrow neck 61 , and the inner connecting end 21 is buckled on the sliding layer 1 through the buckle 6 and the buckle connecting hole 11 . As shown in the drawings, the buckle 6 is buckled into the sliding layer 1 through the large hole in the upper part of the buckle connection hole 11, and the narrow neck 61 is slid into the long hole in the lower part of the buckle connection hole 11, and the long hole can also be used as a kind of sliding buffer device.

As an improvement, as shown in FIGS. 5 and 6 , the narrow neck 61 is fixed above the center of the buckle 6 , and the narrow neck 61 is eccentrically installed upward, so that the narrow neck 61 slides into the buckle connection hole 11 When the bottom of the long hole is at the bottom, more parts of the buckle 6 can be stuck on the sliding layer 1 . As an improvement, the buckle 6 and the narrow neck 61 are preferably circular, and the diameter of the narrow neck 61 is smaller than the diameter of the buckle 6 .

The principle of the present invention is: under the impact of external force, the sliding layer 1 inside the helmet that is in direct contact with the head can slide relative to the buffer layer 3, so as to offset the impact force on the wearer's head. Reduce the impact force of the head to achieve the purpose of protecting the head. The elastic suspension device 2 adopted in the present invention keeps the structure of the elastic suspension device stable under normal conditions, can maintain the inherent shape of the sliding layer 1 and the buffer layer 3 in the helmet and the distance between them, and the elastic suspension device can follow the impact after being impacted. The cross-sectional shape produces fluid lifting and twisting deformations. Under the action of external force, the elastic suspension device 2 of the present invention has a large deformation range and a flexible angle, which can better promote the instantaneous sliding of the sliding layer, the sliding effect is more flexible, and the amplitude is also larger, and the free change of three-dimensional space and multiple angles can be realized. , the sliding at the time of impact in different directions of strain. The sliding layer 1 of the present invention can realize multi-angle and large-scale dexterous sliding under the action of the elastic suspension device 2, thereby effectively reducing the impact force on the head caused by the impact of external force, and providing better head protection.

The above are only exemplary embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. A protective helmet, comprising an outer shell (4), a buffer layer (3) and a sliding layer (1), the buffer layer (3) is fixed inside the outer shell (4), and the sliding layer (1) is arranged on the buffer layer (1) The interior of the layer (3) is characterized in that: a sliding gap is left between the sliding layer (1) and the buffer layer (3), and the sliding layer (1) and the buffer layer (3) are connected There is an elastic suspension device (2), the elastic suspension device (2) comprises an inner connection end (21) connected with the sliding layer (1), and an outer connection end (22) connected with the buffer layer (3) , a deformation gap (24) is left between the inner connection end (21) and the outer connection end (22), and a space between the lower end of the inner connection end (21) and the lower end of the outer connection end (22) is formed. A buffer bending (23) that can maintain the inherent shape and spacing of the sliding layer (1) and the buffer layer (3) under normal conditions, and can also generate lifting and twisting deformation after being impacted. 2 . The protective helmet according to claim 1 , characterized in that the buffer bending ( 23 ) is an arc-shaped bending, and the section of the elastic suspension device ( 2 ) is “U”-shaped. 3 . 3 . The protective helmet according to claim 1 , wherein the elastic suspension device ( 2 ) adopts a plate-shaped flexible elastic material. 4 . 4 . The protective helmet according to claim 1 , wherein the elastic suspension device ( 2 ) is continuously arranged around the sliding layer ( 1 ) and the buffer layer ( 3 ). 5 . 5 . The protective helmet according to claim 1 , wherein the elastic suspension device ( 2 ) is arranged in sections between the sliding layer ( 1 ) and the buffer layer ( 3 ). 6 . 6. A protective helmet according to claim 1, characterized in that: a suspension groove (31) is provided in the buffer layer (3), and the outer connection end (22) of the elastic suspension device (2) ) is fixed on the inner wall of the hanging groove (31). 7. A protective helmet according to claim 1 or 6, characterized in that: the outer connecting end (22) of the elastic suspension device (2) is fixed on the buffer layer (3) by rivets (5). 8 . The protective helmet according to claim 1 , wherein a buckle ( 6 ) is provided on the outer side of the inner connecting end ( 21 ) of the elastic suspension device ( 2 ), and the sliding layer ( 1 ) is provided with a buckle ( 6 ). There is a buckle connecting hole (11) matched with the buckle (6), a narrow neck (61) is arranged between the buckle (6) and the inner connecting end (21), and the buckle connecting hole (11) ) The upper part is a large hole adapted to the shape of the buckle, the lower part of the buckle connection hole (11) is a long hole adapted to the narrow neck (61), and the inner connecting end (21) passes through the buckle (6) and the snap connection hole (11) is fastened on the sliding layer (1). 9 . The protective helmet according to claim 8 , wherein the narrow neck ( 61 ) is fixed above the center of the buckle ( 6 ). 10 . 10. A protective helmet according to claim 8 or 9, characterized in that: the buckle (6) and the narrow neck (61) are both circular, and the diameter of the narrow neck (61) is smaller than that of the buckle (6) diameter.

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