Detachable shared helmet safety harness

Abstract

The utility model provides a detachable shared helmet safety lanyard, including helmet shell, lanyard, the both sides wall of helmet shell inside is equipped with a plurality of connecting blocks, the connecting block is slidably arranged on the inner wall of helmet shell, the end of lanyard is fixed on the connecting block, the inner wall of helmet shell is equipped with a plurality of first stopper, the bottom of connecting block is equipped with the second stopper of protruding, the second stopper is contacted with first stopper, and the connecting block is limited. This detachable shared helmet safety lanyard is provided with the connecting block that can be dismantled relative to helmet shell, realizes the detachable of lanyard, when the lanyard on shared helmet appears the situation such as breakage or mildew, can directly dismantle the connecting block and lanyard from helmet shell, and fix new lanyard and connecting block to helmet shell, realize the quick replacement of lanyard, simple and convenient, and the replacement cost is low, guarantee the safety and comfort of lanyard, improve the wearing experience of user.

Description

Technical Field

[0001] This utility model belongs to the field of shared helmet technology and relates to a detachable shared helmet safety strap. Background Technology

[0002] With the improvement of living standards and the popularization of outdoor activities, headgear has become an important part of people's daily lives, such as the safety helmets used in shared electric bicycles, or simply shared helmets. However, shared helmets are exposed to the external environment for a long time and are worn by different users, resulting in a high wearing rate. In hot weather, users' sweat can easily accumulate on the helmet straps, producing an unpleasant odor and affecting wearing comfort. At the same time, in windy and rainy conditions, the straps are prone to mold growth, producing bacteria and odors. The wearing comfort and hygiene of shared helmets greatly influence whether users choose to travel using shared electric bicycles. To address this issue, a safety strap has emerged on the market, such as the antibacterial, anti-mildew, and waterproof headgear safety strap described in Chinese Patent No. "202420214119.8". It includes a strap body, which includes a flexible carrier, the outer surface of which is covered with a flexible antibacterial and waterproof surface layer. However, the manufacturing process of the above-mentioned safety strap is complex and costly, and it is prone to wear and weathering under long-term use, making it difficult to launch on a large scale in the market. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a detachable shared helmet safety strap with a removable strap.

[0004] The objective of this utility model can be achieved through the following technical solution: a detachable shared helmet safety strap, including a helmet shell and a strap, wherein several connecting blocks are provided on both sides of the inner wall of the helmet shell, the connecting blocks are slidably disposed on the inner wall of the helmet shell, the end of the strap is fixed on the connecting block, several first stops are provided on the inner wall of the helmet shell, and a protruding second stop is provided at the bottom of the connecting block, the second stop contacting the first stop to limit the connection block.

[0005] In the aforementioned detachable shared helmet safety strap, the inner wall of the helmet shell is provided with several sets of track groups, the number of track groups being the same as the number of connecting blocks. Each track group includes two relatively bent track sidewalls and two positioning protrusions. A sliding space is formed between the bent portion of the track sidewall and the positioning protrusions, and the two ends of the connecting blocks are respectively located within the two sliding spaces.

[0006] In the aforementioned detachable shared helmet safety strap, the end of the connecting block has a protruding third stop, and the end face of the track sidewall contacts the third stop to position the connecting block.

[0007] In the aforementioned detachable shared helmet safety strap, the first stop block has a reinforcing rib on the side near the edge of the helmet shell, and the reinforcing rib has a guide slope.

[0008] In the aforementioned detachable shared helmet safety strap, one end of the connecting block has a connecting hole, the end of the strap passes through the connecting hole and is folded, and the overlapping portion of the strap is fixed by sewing or rivets.

[0009] In the aforementioned detachable shared helmet safety strap, the connecting block also has an opening, a connecting post is provided inside the opening wall, and a stop block is provided at the bottom of the connecting post, the stop block being in contact with the inner wall of the helmet shell.

[0010] In the aforementioned detachable shared helmet safety strap, an inner helmet shell is also provided inside the outer helmet shell, and an installation space is provided between the outer helmet shell and the inner helmet shell for the connection block to be installed. When worn, the inner helmet shell is in contact with the user's head.

[0011] Compared to existing technologies, this detachable shared helmet safety strap features a detachable connecting block that can be removed from the helmet shell, allowing for easy and convenient strap removal. When the strap breaks or becomes moldy, the connecting block and strap can be easily removed from the helmet shell, and a new strap and connecting block can be attached, enabling quick and easy strap replacement at low cost. This ensures the safety and comfort of the strap, improving the user's wearing experience. The strap can still be made of readily available nylon material. The connecting block is positioned by a second stop contacting the first stop, and the track sidewall contacting the third stop, preventing it from sliding up and down relative to the helmet shell and avoiding accidental detachment. A stop block contacts the inner wall of the helmet shell to prevent the connected block from shaking after installation. Attached Figure Description

[0012] Figure 1 This is a 3D structural diagram of the removable shared helmet with the safety straps hidden inside the helmet shell.

[0013] Figure 2 yes Figure 1 A magnified structural diagram of point A in the middle.

[0014] Figure 3 This is a three-dimensional structural diagram of the connecting block in the safety strap of this detachable shared helmet.

[0015] Figure 4 This is a three-dimensional structural diagram of the helmet shell within the safety harness of this detachable shared helmet.

[0016] Figure 5yes Figure 4 A magnified structural diagram at point B in the middle.

[0017] Figure 6 This is a 3D structural diagram of the safety strap of this detachable shared helmet.

[0018] In the diagram, 1. Helmet shell; 11. Track sidewall; 12. First stop block; 13. Positioning protrusion; 14. Reinforcing rib; 15. Guide slope; 2. Connecting block; 21. Second stop block; 22. Opening; 23. Connecting post; 24. Abutment block; 25. Third stop block; 26. Connecting hole; 3. Helmet inner shell. Detailed Implementation

[0019] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0020] like Figure 1-6 As shown, this detachable shared helmet safety strap includes a helmet shell 1 and a strap. Several connecting blocks 2 are provided on both sides of the inner wall of the helmet shell 1, and the connecting blocks 2 are slidably mounted on the inner wall of the helmet shell 1. The end of the strap is fixed to the connecting block 2. Several first stops 12 are formed on the inner wall of the helmet shell 1, and a protruding second stop 21 is provided at the bottom of the connecting block 2. The second stop 21 contacts the first stops 12, limiting the connecting block 2 and preventing it from sliding and detaching from the helmet shell 1. When it is necessary to remove the connecting block 2, the connecting block 2 is pried upwards to disengage the second stop 21 from the first stop 12, thus completing the detachment of the connecting block 2, the strap, and the helmet shell 1. In this application, the strap can be made of commercially available nylon material, which is low in cost and easy to procure. In this application, two connecting blocks 2 are provided on each side of the inner wall of the helmet shell 1, making the strap Y-shaped. The Y-shaped strap can improve the stability of the helmet when worn.

[0021] In the above technical solution: the inner wall of the helmet shell 1 is provided with several sets of track groups, the number of track groups being the same as the number of connecting blocks 2. The track group includes two relatively bent track sidewalls 11 and two positioning protrusions 13. A sliding space is formed between the bent part of the track sidewall 11 and the positioning protrusions 13. The two ends of the connecting block 2 are respectively located in the two sliding spaces, completing the sliding installation between the connecting block 2 and the inner wall of the helmet shell 1.

[0022] In the above technical solution: the end of the connecting block 2 is provided with a protruding third stop 25, and the end face of the track side wall 11 contacts the third stop 25 to position the connecting block 2 and prevent the connecting block 2 from accidentally sliding relative to the helmet shell 1.

[0023] In the above technical solution: the first stop block 12 is provided with a reinforcing rib 14 on the side near the edge of the helmet shell 1, and a guide slope 15 is provided on the reinforcing rib 14. The guide slope 15 plays a guiding role in the process of the connecting block 2 being inserted into the sliding space.

[0024] In the above technical solution: one end of the connecting block 2 is provided with a connecting hole 26, the end of the strap passes through the connecting hole 26 and is folded, and the overlapping part of the strap is fixed by sewing or riveting, etc., to complete the fixation between the strap and the connecting block 2.

[0025] In the above technical solution: the connecting block 2 is also provided with an opening 22, and a connecting post 23 is provided inside the wall of the opening 22. The bottom of the connecting post 23 extends downward through the opening 22 and is provided with a stop block 24. The stop block 24 contacts the inner wall of the helmet shell 1 to prevent the connecting block 2 from shaking after installation.

[0026] In the above technical solution: a helmet inner shell 3 is also provided inside the helmet outer shell 1, and an installation space is provided between the helmet outer shell 1 and the helmet inner shell 3 for the installation and removal of the connecting block 2. When worn, the helmet inner shell 3 contacts the user's head, avoiding the connecting block 2 and other protruding structures from affecting the user's wearing experience.

[0027] This detachable shared helmet safety strap features a connecting block 2 that can be detached from the helmet shell 1, allowing for quick and easy strap replacement. When the strap breaks or becomes moldy, the connecting block 2 and the strap can be removed directly from the helmet shell 1, and a new strap and connecting block 2 can be attached. This ensures fast and convenient strap replacement at low cost, guaranteeing safety and comfort and improving the user's wearing experience. The strap can still be made of readily available nylon material. The connecting block 2 is positioned by a second stop 21 contacting the first stop 12, and the end face of the track sidewall 11 contacting the third stop 25, preventing the connecting block 2 from sliding up and down relative to the helmet shell 1 and avoiding accidental detachment. A stop block 24 contacts the inner wall of the helmet shell 1 to prevent the connected block 2 from shaking after installation.

[0028] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0029] Although this document frequently uses terms such as helmet shell 1; track sidewall 11; first stop 12; positioning protrusion 13; reinforcing rib 14; guide slope 15; connecting block 2; second stop 21; opening 22; connecting post 23; abutment 24; third stop 25; connecting hole 26; and helmet inner shell 3, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would contradict the spirit of this utility model.

[0030] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A detachable shared helmet safety strap, comprising a helmet shell (1) and a strap, characterized in that... The helmet shell (1) has several connecting blocks (2) on both sides inside. The connecting blocks (2) are slidably disposed on the inner wall of the helmet shell (1). The end of the strap is fixed on the connecting block (2). The inner wall of the helmet shell (1) has several first stops (12). The bottom of the connecting block (2) has a protruding second stop (21). The second stop (21) contacts the first stop (12) to limit the connecting block (2).

2. The detachable shared helmet safety strap according to claim 1, characterized in that... The inner wall of the helmet shell (1) is provided with several sets of track groups. The number of track groups is the same as the number of connecting blocks (2). Each track group includes two relatively bent track sidewalls (11) and two positioning protrusions (13). A sliding space is formed between the bent part of the track sidewall (11) and the positioning protrusions (13). The two ends of the connecting block (2) are respectively located in the two sliding spaces.

3. A detachable shared helmet safety strap according to claim 2, characterized in that... The end of the connecting block (2) is provided with a protruding third stop (25), and the end face of the track side wall (11) contacts the third stop (25) to position the connecting block (2).

4. The detachable shared helmet safety strap according to claim 1, characterized in that... The first stop (12) has a reinforcing rib (14) on the side near the edge of the helmet shell (1), and the reinforcing rib (14) has a guide slope (15).

5. A detachable shared helmet safety strap according to claim 1, characterized in that... One end of the connecting block (2) is provided with a connecting hole (26), the end of the strap passes through the connecting hole (26) and is folded, and the overlapping part of the strap is fixed by sewing or rivets.

6. A detachable shared helmet safety strap according to claim 1, characterized in that... The connecting block (2) is also provided with an opening (22), and a connecting post (23) is provided inside the hole wall of the opening (22). A stop block (24) is provided at the bottom of the connecting post (23), and the stop block (24) is in contact with the inner wall of the helmet shell (1).

7. A detachable shared helmet safety strap according to claim 1, characterized in that... The helmet shell (1) is further provided with a helmet inner shell (3). There is an installation space between the helmet shell (1) and the helmet inner shell (3) for the connection block (2) to be installed. When worn, the helmet inner shell (3) is in contact with the user's head.

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