Helmet structure capable of conveniently adjusting size of head circumference

Abstract

The invention discloses a helmet structure capable of conveniently adjusting the head circumference size. The helmet structure comprises a helmet body, a fixing buckle, a flexible inner container, a connecting belt and an adjuster. The flexible inner container and the helmet body are connected and fixed through a fixing buckle, the adjustor and the connecting band are assembled together to form an adjusting mechanism, and the tail end of the connecting band and the flexible inner container are connected and fixed through a fixing buckle to form a complete head circumference adjusting system. The flexible inner container is driven to contract and expand by adjusting the knob of the adjuster, so that the size of the head circumference is adjusted; the lining and the hard sheet are made into a whole, the size of the head circumference can be adjusted while the lining is adjusted, the size of the head circumference can also be adjusted, the wrapping performance of the head circumference can be good through the structure, and the user does not feel uncomfortable after long-time wearing.

Description

Technical Field

[0001] The invention relates to the field of safety helmets, and in particular to a helmet structure which is convenient for adjusting the size of head circumference. Background Art

[0002] Wearing a helmet can effectively protect the head and reduce injuries. It is the most effective way to protect people riding bicycles, electric vehicles, motorcycles and other sports. The head injury rate without a helmet is 2.5 times that of wearing a helmet, and the fatal injury rate without a helmet is 1.5 times that of wearing a helmet. The helmet can disperse and absorb impact force. The deformation or cracks of the helmet when impacted and the internal padding can also play a buffering role and absorb part of the impact force, thereby protecting the head.

[0003] At present, the most commonly used way to adjust the head circumference of helmets is to use plastic belts and thin ropes to adjust the size. The area in contact with the head surface is small and the material is very hard. After being locked, it will squeeze the head and give the head a sense of pressure. The head circumference is not well wrapped and it is uncomfortable to wear for a long time, so many people will feel uncomfortable and take off the helmet even if they want to wear it.

[0004] Therefore, it is necessary to design a helmet structure that can effectively wrap the head and ensure safety while also ensuring comfort when worn. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art, the present invention aims to provide a helmet structure that is convenient for adjusting the size of the head circumference, which drives the flexible liner to shrink and expand by adjusting the knob of the adjuster to achieve the adjustment of the size of the head circumference. In addition, the flexible liner is made into one piece with the hard sheet material, and the head circumference size can be adjusted while adjusting the liner, which also achieves the adjustment of the head circumference size.

[0006] The present invention is achieved by adopting the following technical solutions:

[0007] A helmet structure for conveniently adjusting the size of the head circumference comprises: a helmet body, a fixing buckle, a flexible liner, a connecting belt and an adjuster; the flexible liner and the helmet body are connected and fixed by the fixing buckle, the adjuster and the connecting belt need to be assembled together to form an adjustment mechanism, and the end of the connecting belt is connected and fixed to the flexible liner by the fixing buckle to form a complete head circumference adjustment system.

[0008] Furthermore, a plurality of fixing buckles are provided on the helmet body, and the fixing buckles include but are not limited to a front fixing buckle and a rear fixing buckle.

[0009] Furthermore, the front end fixing buckle is used to fix the flexible liner on the helmet body.

[0010] Furthermore, the rear end fixing buckle is used to fix the connecting belt on the flexible inner liner.

[0011] Furthermore, the regulator is used to adjust the contraction and expansion of the flexible inner liner to achieve size adjustment of the head circumference.

[0012] Furthermore, when the regulator is locked, the entire flexible liner wraps around the user's head.

[0013] Furthermore, the flexible liner and the helmet body are separate double-layer structures.

[0014] Furthermore, the flexible liner is made of flexible materials such as EPP, EPS, EPO, EVA, PU, ​​and foam.

[0015] Furthermore, the helmet body includes but is not limited to a plastic material shell, a composite material shell, an EPS material body, an EPP material body and a helmet body made of other materials.

[0016] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0017] (1) By using a flexible liner made of flexible materials such as EPP, EPS, EPO, EVA, PU, ​​foam, etc., the liner can be contracted or expanded by adjusting the knob or pushing the button to adjust the head circumference size, and can be adapted to various types of helmets. When locked, the entire flexible material liner wraps around the head circumference, which is very comfortable and suitable for long-term wear.

[0018] (2) The liner and the main body are separated into a double-layer structure. The liner made of flexible material has excellent energy absorption. This double-layer structure can better protect the head and improve safety performance when the helmet is subjected to external force.

[0019] (3) The flexible liner made of flexible materials has lower density and better absorbs external impact energy, which can significantly reduce the weight of the finished helmet and provide users with a more comfortable wearing experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a schematic structural diagram of the present invention;

[0021] Figure 2 The figure is a schematic diagram of the structure of the front-end fixing buckle of the present invention;

[0022] Figure 3 The figure is a schematic diagram of the structure of the rear end fixing buckle of the present invention;

[0023] Figure 4 The figure shows a schematic diagram of the structure of the flexible liner of the present invention;

[0024] Figure 5Shown is a schematic structural diagram of the flexible liner of the present invention.

[0025] In the figure: 1. Helmet body; 2. Fixing buckle; 3. Flexible liner; 4. Connecting strap; 5. Regulator; 21. Front fixing buckle; 22. Rear fixing buckle. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] See also Figure 1-Figure 5 The present invention discloses a helmet structure for conveniently adjusting the size of the head circumference, comprising: a helmet body 1, a fixing buckle 2, a flexible liner 3, a connecting belt 4 and an adjuster 5; the flexible liner 3 is connected and fixed to the helmet body 1 through the fixing buckle 2, the adjuster 5 and the connecting belt 4 need to be assembled together to form an adjustment mechanism, and the end of the connecting belt 4 is connected and fixed to the flexible liner 3 through the fixing buckle 2 to form a complete head circumference adjustment system.

[0028] When working, the user wears the helmet of the present invention which is convenient for adjusting the head circumference size on the head, and adjusts the tightness of the flexible liner 3 through the adjusting mechanism adjuster 5 to completely wrap the head with the flexible liner 3 .

[0029] Specifically, a plurality of fixing buckles 2 are provided on the helmet body 1 , and the fixing buckles 2 include a front fixing buckle 21 and a rear fixing buckle 22 .

[0030] More specifically, the front fixing buckle 21 is used to fix the flexible liner 3 on the helmet body 1 .

[0031] See also Figure 2 The number of the front fixing buckles 21 is 3, which are respectively arranged on both sides of the front end of the helmet and on the center line of the helmet.

[0032] More specifically, the rear end fixing buckle 22 is used to fix the connecting belt 4 on the flexible inner liner 3 .

[0033] See also Figure 3 The number of the rear end fixing buckles 22 is 4, 2 of which are arranged at the back of the head, and one is arranged behind the ears at both ends, and they are all symmetrically arranged.

[0034] Specifically, the adjuster 5 is used to adjust the contraction and expansion of the flexible liner 3 to achieve size adjustment of the head circumference.

[0035] More specifically, when the adjuster 5 is locked, the entire flexible liner 3 wraps around the user's head.

[0036] See also Figure 2 , Figure 4 , Figure 5 Specifically, the flexible liner 3 and the helmet body 1 are separated into a double-layer structure. The flexible liner 3 and the helmet body 1 are separated into a double-layer structure. The liner made of flexible material has excellent energy absorption effect. When subjected to external force, it can better protect the head and improve safety performance.

[0037] Specifically, the flexible liner is made of EPP, EPS, EPO, EVA, PU, ​​foam, or other flexible materials. By using the flexible liner 3 made of EPP, EPS, EPO, EVA, PU, ​​foam, or other flexible materials, the flexible liner 3 is contracted or expanded by adjusting the knob or pushing the button (adjuster 5) to adjust the size of the head circumference. When locked, the entire liner of the flexible material wraps around the head circumference, which is very comfortable. The flexible liner 3 made of the flexible material can be adapted to various types of helmets.

[0038] Specifically, the helmet body includes but is not limited to a plastic material shell, a composite material shell, an EPS material body, an EPP material body and a helmet body made of other materials.

[0039] The inner liner made of flexible material has lower density and good safety performance, which can significantly reduce the weight of the finished helmet and provide users with a more comfortable wearing experience.

[0040] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A helmet structure that is convenient for adjusting the size of the head circumference, characterized in that: include: A helmet body, a fixing buckle, a flexible liner, a connecting strap and an adjuster; the flexible liner and the helmet body are connected and fixed by a fixing buckle, the adjuster and the connecting strap need to be assembled together to form an adjustment mechanism, and the end of the connecting strap is connected and fixed to the flexible liner by a fixing buckle to form a complete head circumference adjustment system.

2. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 1, characterized in that: A plurality of fixing buckles are arranged on the helmet body, and the fixing buckles include but are not limited to a front fixing buckle and a rear fixing buckle.

3. A helmet structure for conveniently adjusting the head circumference as claimed in claim 2, characterized in that: The front end fixing buckle is used to fix the flexible liner on the helmet body.

4. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 2, characterized in that: The rear end fixing buckle is used to fix the connecting belt on the flexible inner liner.

5. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 1, characterized in that: The regulator is used to adjust the contraction and expansion of the flexible inner liner to achieve size adjustment of the head circumference.

6. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 5, characterized in that: When the regulator is locked, the entire flexible liner wraps around the user's head.

7. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 1, characterized in that: The flexible liner and the helmet body are separate double-layer structures.

8. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 1, characterized in that: The flexible liner is made of EPP, EPS, EPO, EVA, PU, ​​foam rubber and other flexible materials.

9. A helmet structure for conveniently adjusting the size of the head circumference as claimed in claim 1, characterized in that: The helmet body includes but is not limited to a plastic material shell, a composite material shell, an EPS material body, an EPP material body and a helmet body made of other materials.

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