A press stud for a headgear strap

Abstract

The utility model discloses a kind of for headgear strap's pressure buckle, including pressure buckle main part and restraint buckle. The pressure buckle main part is sequentially divided into into belt part, restraint part and flattening portion from top to bottom. Two headgear straps are inserted from the belt part of the pressure buckle main part, and sequentially pass through restraint part and flattening portion. The restraint buckle is rotatably connected on restraint part, and can lock and fix two headgear straps passing through restraint part. The utility model is arranged on the flattening portion of the bottom of pressure buckle main part by arranging arrangement through slot, and setting limit support rod in the middle of arrangement through slot, arrangement through slot is divided into two clamping gaps, two headgear straps output from the output port of transition groove, after the adjustment of first gap, second gap on flattening portion and limit support rod, so that two headgear straps are finally output in flat shape, and then ensure the comfort of user when wearing.

Description

Technical Field

[0001] This utility model belongs to the field of helmet technology, specifically relating to a buckle for helmet straps. Background Technology

[0002] In the prior art, helmets generally include a helmet body for protecting the user's head, webbing connected to the helmet body, and webbing adjustment buckles. When in use, the webbing is wrapped around the user's chin and fastened through the webbing adjustment buckles to prevent the helmet from accidentally coming off the user's head.

[0003] Chinese Patent Publication No. CN213281776U discloses a webbing adjustment device, a helmet strap system, and a helmet. The webbing adjustment device includes: a buckle body, on which a first connecting arm and a second connecting arm are provided, the first connecting arm and the second connecting arm being arranged at a predetermined angle; the end of the first connecting arm is provided with a first through hole for one end of a first webbing to pass through, and the end of the second connecting arm is provided with a second through hole for one end of a second webbing to pass through; the buckle body includes a first surface and a second surface arranged opposite to each other, and the buckle body is also provided with a webbing movable locking device; the webbing movable locking device is located on the second surface, and the webbing movable locking device locks and fixes the first webbing and the second webbing to the buckle body.

[0004] The aforementioned patent incorporates a movable locking device that allows the webbing to be released at any time, enabling the pulling of the first and second webbing to adjust their length. However, during the process of passing the two webbings through the buckle and adjusting their length, the two webbings are prone to folding inwards towards the center, resulting in an uneven surface on the final webbing and reducing the wearer's comfort. Utility Model Content

[0005] To overcome the shortcomings of existing technology, this utility model provides a buckle for helmet straps to solve the technical problem that multiple webbing straps are prone to folding during assembly.

[0006] To achieve the above objectives, the specific technical solution of this utility model is as follows:

[0007] A buckle for helmet straps includes a buckle body and a restraint buckle. The buckle body is divided into a strap entry section, a restraint section, and a flattening section from top to bottom. Two helmet straps extend into the buckle body from the strap entry section and pass through the restraint section and the flattening section in sequence. The restraint buckle is rotatably connected to the restraint section, which can lock and fix the two helmet straps passing through the restraint section.

[0008] The leveling section has a tidying groove. A limiting support rod is provided in the middle of the tidying groove, dividing the tidying groove into two retaining gaps.

[0009] Furthermore, the tape feed section has a first tape feed hole and a second tape feed hole. The central axes of the first tape feed hole and the second tape feed hole are arranged at an angle to each other.

[0010] Furthermore, the binding part has a transition groove that communicates with the first and second belt inlets. The binding buckle is rotatably connected to the side wall of the transition groove, and the bottom edge of the buckle forms an output port that communicates with the leveling part between the transition groove and the transition groove.

[0011] Furthermore, the two retaining gaps are divided into a first gap located at the top and a second gap located at the bottom. The height of the first gap and the second gap is the same as the thickness of the two helmet straps.

[0012] Furthermore, the top and bottom of the tidying channel are provided with inclined guide edges.

[0013] Furthermore, the restraint buckle includes an upper force-applying portion and a lower locking portion. The locking portion has multiple locking protrusions arranged in sequence. The outer edge of each locking protrusion is divided into a loosening edge and a locking edge. When the loosening edge is directly opposite the buckle body, the distance between it and the buckle body is greater than the distance when the locking edge is directly opposite the buckle body.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] This invention creates a tidying groove on the flattened part at the bottom of the buckle body and sets a limiting support rod in the middle of the tidying groove, dividing the tidying groove into two clamping gaps. The two helmet straps that are output from the outlet of the transition groove are adjusted by the first gap and the second gap on the flattened part and the limiting support rod, so that the two helmet straps are finally output in a straight shape, thereby ensuring the user's comfort when wearing them. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the snap fastener body in this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the restraint buckle in this utility model. Figure 2 (Cross-sectional view along the AA direction).

[0019] Reference numerals: 1. Buckle body; 2. Restraint buckle; 3. Belt entry part; 4. Restraint part; 5. Leveling part; 6. Limiting support rod; 7. Clamping gap; 8. Force application part; 9. Locking part; 10. Loosening edge; 11. Locking edge. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper side", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] like Figure 1 As shown, a buckle for helmet straps includes a buckle body 1 and a restraining buckle 2 mounted on the buckle body 1. The buckle body 1 is divided into a strap entry section 3, a restraining section 4, and a flattening section 5 from top to bottom. Two helmet straps extend into the buckle body 1 from the strap entry section 3 and pass through the restraining section 4 and the flattening section 5 in sequence. The restraining buckle 2 is rotatably connected to the restraining section 4, and can lock and secure the two helmet straps passing through the restraining section 4.

[0023] Specifically, such as Figure 1 and 2 As shown, the strap inlet 3 has a first strap inlet hole and a second strap inlet hole. The central axes of the first strap inlet hole and the second strap inlet hole are arranged at an angle. The restraint part 4 has a transition groove that communicates with the first strap inlet hole and the second strap inlet hole. The restraint buckle 2 is rotatably connected to the side wall of the transition groove, and its bottom edge forms an output port that communicates with the leveling part 5 between the transition groove and the transition groove. The two straps on the side of the helmet enter the transition groove from the first strap inlet hole and the second strap inlet hole, respectively, and are output to the leveling part 5 from the output port side.

[0024] The leveling section 5 has a leveling groove. A limiting support rod 6 is provided in the middle of the leveling groove, which can divide the internal space of the leveling groove into two locking gaps 7. The two locking gaps 7 are a first gap located at the top and a second gap located at the bottom. The height of the first gap and the second gap is the same as the thickness of the two helmet straps.

[0025] In use, the two helmet straps are inserted through the first gap, pass around the limiting support rod 6, and exit through the second gap. After being adjusted by the first gap, the second gap on the leveling part 5, and the limiting support rod 6, the two helmet straps output from the outlet of the transition groove are finally output in a straight shape.

[0026] Furthermore, the top and bottom of the channel are provided with inclined guide edges to facilitate the smooth passage of the two helmet straps through the first and second gaps.

[0027] like Figure 3 As shown, the restraint buckle 2 includes an upper force-applying part 8 and a lower locking part 9. The locking part 9 has multiple locking protrusions arranged in sequence. The outer edge of each locking protrusion is divided into a loosening edge 10 and a locking edge 11. When the loosening edge 10 is directly opposite the buckle body 1, the distance between it and the buckle body 1 is greater than the distance when the locking edge 11 is directly opposite the buckle body 1. By reducing the distance between the upper edge of the locking protrusion and the buckle body 1, the two helmet straps passing through the restraint part 4 of the buckle body 1 can be secured.

[0028] In actual use, in the initial state, the loosening edge 10 of the locking protrusion faces the buckle body 1, allowing the two helmet straps, which enter the transition groove from the first and second strap holes, to pass smoothly through the output port formed between the locking protrusion and the restraining part 4 of the buckle body 1. When it is necessary to tighten the helmet straps, the user can rotate the restraining buckle 2 by turning the force application part 8. The outer edge of the locking protrusion facing the buckle body 1 switches from the loosening edge 10 to the locking edge, reducing the gap with the buckle body 1, thereby achieving the tightening and fixing of the two helmet straps.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A buckle for helmet straps, comprising a buckle body (1) and a restraint buckle (2), characterized in that: The buckle body (1) is divided into a strap entry part (3), a binding part (4) and a flattening part (5) from top to bottom; two helmet straps extend from the strap entry part (3) of the buckle body (1) and pass through the binding part (4) and the flattening part (5) in sequence; the binding buckle (2) is rotatably connected to the binding part (4) and can lock and fix the two helmet straps passing through the binding part (4); The leveling part (5) has a sorting groove; a limiting support rod (6) is provided in the middle of the sorting groove, which divides the sorting groove into two clamping gaps (7).

2. The buckle for a helmet strap according to claim 1, characterized in that: The tape feed section (3) is provided with a first tape feed hole and a second tape feed hole; the central axes of the first tape feed hole and the second tape feed hole are arranged at an angle to each other.

3. A buckle for a helmet strap according to claim 2, characterized in that: The binding part (4) has a transition groove that communicates with the first belt inlet hole and the second belt inlet hole; the binding buckle (2) is rotatably connected to the side wall of the transition groove, and the bottom edge of the buckle forms an output port that communicates with the leveling part (5) between the transition groove and the transition groove.

4. A buckle for a helmet strap according to claim 1, characterized in that: The two clamping gaps (7) are divided into a first gap located above and a second gap located below; the height of the first gap and the second gap is the same as the thickness of the two helmet straps.

5. A buckle for a helmet strap according to claim 1, characterized in that: The top and bottom of the sorting channel are provided with inclined guide edges.

6. A buckle for a helmet strap according to claim 1, characterized in that: The restraint buckle (2) includes an upper force-applying part (8) and a lower locking part (9); the locking part (9) is provided with a plurality of locking protrusions arranged in sequence; the outer edge of the locking protrusion is divided into a loosening edge (10) and a locking edge (11); when the loosening edge (10) is directly opposite the buckle body (1), the distance between it and the buckle body (1) is greater than the distance when the locking edge (11) is directly opposite the buckle body (1).

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