CN212545897U

CN212545897U - Helmet buckle

Info

Publication number: CN212545897U
Application number: CN202021370206.0U
Authority: CN
Inventors: 陈良根; 邱南京
Original assignee: Huizhou Punctuation Fastener Technology Co ltd
Current assignee: Huizhou Punctuation Fastener Technology Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-02-19
Anticipated expiration: 2030-07-11

Abstract

The utility model provides a helmet buckle is provided with first face and the second face that sets up mutually, helmet buckle has seted up first groove in the position of the first end that is close to helmet buckle, first groove runs through first face and second face, helmet buckle has seted up the second groove in the position of the first side that is close to helmet buckle, the second groove runs through first face and second face, the tip tank has been seted up at helmet buckle's middle part, the tip tank runs through first face and second face, the tip tank extends towards the second side of helmet buckle's second end by the first side of helmet buckle's first end and sets up, a meeting portion is connected to helmet buckle's second end, the interval sets up between the middle part of meeting portion and the second end of helmet buckle, form the intercommunication groove between the middle part of meeting portion and the second end of helmet buckle, the meeting groove has been seted up to the meeting portion, the meeting groove communicates with the intercommunication groove. Two belts are reversely penetrated into the first penetrating groove and the second penetrating groove respectively, then the belts reversely penetrate through the inclined grooves, finally the belts reversely penetrate into the communicating grooves respectively and then penetrate out of the intersection grooves together, and the helmet buckle is prevented from sliding through twice folding and increasing the resistance arm.

Description

Helmet buckle

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to helmet buckle.

Background

At present, buckles are used in a plurality of daily necessities, such as helmet buckles on helmet tethers, in order to enable users to pull the helmet buckles more easily, according to the lever principle, a resistance arm is intentionally reduced when designing a helmet buckle structure, so that the users can pull the helmet buckles with smaller force, but the helmet buckles are easy to slide, belts such as safety helmets are often loosened, the wearing of the safety helmets is not facilitated, and the positions of the helmet buckles need to be adjusted regularly by the users.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a helmet buckle.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a helmet buckle is provided with a first surface and a second surface which are arranged in a back-to-back mode, a first penetrating groove is formed in the position, close to the first end of the helmet buckle, of the helmet buckle and penetrates through the first surface and the second surface, a second penetrating groove is formed in the position, close to the first side of the helmet buckle, of the helmet buckle and penetrates through the first surface and the second surface, an inclined groove is formed in the middle of the helmet buckle and penetrates through the first surface and the second surface, the inclined groove extends from the first side of the first end of the helmet buckle to the second side of the second end of the helmet buckle,

the helmet buckle is characterized in that the second end of the helmet buckle is connected with an intersection part, the middle of the intersection part and the second end of the helmet buckle are arranged at intervals, a communicating groove is formed between the middle of the intersection part and the second end of the helmet buckle, the intersection part is provided with an intersection groove, and the intersection groove is communicated with the communicating groove.

In one embodiment, the intersection has a third surface and a fourth surface that are opposite to each other, the third surface and the fourth surface are perpendicular to the first surface and the second surface, respectively, the third surface faces the second end of the helmet buckle, and the intersection groove penetrates through the third surface and the fourth surface of the intersection.

In one embodiment, two sides of the intersection part are respectively connected with two sides of the second end of the helmet buckle.

In one embodiment, at least one side wall of the first through groove is provided with a sawtooth structure.

In one embodiment, a sawtooth structure is arranged on a side wall of one side of the first through groove, which is far away from the middle part of the helmet buckle.

In one embodiment, at least one side wall of the second through groove is provided with a sawtooth structure.

In one embodiment, a sawtooth structure is arranged on a side wall of one side of the second through groove, which is far away from the middle part of the helmet buckle.

In one embodiment, an included angle between the length direction of the first penetrating groove and the length direction of the second penetrating groove is an obtuse angle.

In one embodiment, the length direction of the first through groove is parallel to the end surface of the first end of the helmet buckle.

In one embodiment, the length direction of the second through groove is parallel to the side surface of the first side of the helmet buckle.

The utility model has the advantages that: the utility model provides a pair of helmet buckle, wear the groove through respectively from first wearing groove and second and reversely penetrate two belts, reversely pass the tip tank again, wear out from the groove that crosses jointly after last respectively reverse wearing into the intercommunication groove, increase the resistance arm through twice folding, make when effort at pulling helmet buckle, need bigger effort just can stimulate helmet buckle, and two ascending efforts of rope are opposite, can play certain offset, thereby make the belt cluster firmly on helmet buckle, be difficult for becoming flexible.

Drawings

Fig. 1 is a schematic structural view of a helmet buckle according to an embodiment.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

As shown in fig. 1, in an embodiment, a helmet buckle 10 is provided with a first surface and a second surface which are opposite to each other, a first through groove 100 is formed in a position of the helmet buckle 10 close to a first end of the helmet buckle 10, the first through groove 100 penetrates through the first surface and the second surface, a second through groove 200 is formed in a position of the helmet buckle 10 close to a first side of the helmet buckle 10, the second through groove 200 penetrates through the first surface and the second surface, an inclined groove 300 is formed in a middle portion of the helmet buckle 10, the inclined groove 300 penetrates through the first surface and the second surface, the inclined groove 300 extends from the first side of the first end of the helmet buckle 10 to a second side of a second end of the helmet buckle 10,

the second end of the helmet buckle 10 is connected to an intersection 400, the middle of the intersection 400 and the second end of the helmet buckle 10 are arranged at intervals, a communication groove 410 is formed between the middle of the intersection 400 and the second end of the helmet buckle 10, the intersection 400 is provided with an intersection groove 420, and the intersection groove 420 is communicated with the communication groove 410.

Specifically, a first strap is first threaded from a first side of the helmet buckle through the first threading slot 100 to a second side, then threaded from the second side through the inclined slot 300 back to the first side again, and finally threaded from the first side through the communication slot 410 and out through the intersection slot 420, and a second strap is threaded from the second side through the second threading slot 200 to the first side, then threaded from the first side through the inclined slot 300 back to the second side, and finally threaded from the second side through the communication slot 410 and out through the intersection slot 420; another way of threading is that a first strap passes through the first slot 100 from the second side to the first side, a second strap passes through the second slot 200 from the first side to the second side, then the first strap passes through the inclined slot 300 from the first side to the second side, the second strap passes through the inclined slot 300 from the second side to the first side, finally the first strap passes through the communication slot 410 from the second side and passes out from the intersection slot 420, the second strap passes through the communication slot 410 from the first side and passes out from the intersection slot 420, so that when an acting force is applied to pull the helmet buckle 10 or the helmet buckle 10 is to slide down under its own weight, a larger acting force is required to pull the helmet buckle 10, and the acting forces in the directions of the two ropes are opposite to each other, so as to play a certain counteracting role, thereby enabling the straps to be stably threaded on the helmet buckle 10, is not easy to loosen.

In order to increase the resistance and make the helmet buckle 10 not easy to slide, in an embodiment, as shown in fig. 1, the intersection 400 has a third surface and a fourth surface that are opposite to each other, the third surface and the fourth surface are perpendicular to the first surface and the second surface, respectively, the third surface faces the second end of the helmet buckle 10, and the intersection groove 420 penetrates through the third surface and the fourth surface of the intersection 400. Specifically, the third surface and the fourth surface of the intersection part 400 are perpendicular to the first surface and the second surface of the inclined groove 300, the first through groove 100 and the second through groove 200, so that the belts are more attached to the first surface and the second surface of the helmet buckle 10, the two belts are alternately attached to and wound on the helmet buckle 10, the helmet buckle 10 is in forward extrusion of the two belts, and therefore resistance is increased, and the helmet buckle 10 is prevented from sliding.

In order to provide sufficient space for the belt to pass through the communication groove 410 and the intersection groove 420 and reinforce the connection between the intersection 400 and the second end of the helmet buckle 10, in one embodiment, both sides of the intersection 400 are respectively connected to both sides of the second end of the helmet buckle 10, such that the communication groove 410 is formed between the middle of the intersection 400 and the second end of the helmet buckle 10, and the belt smoothly passes through the communication groove 410 by disposing the connection at both ends of the intersection 400, while the connection between the intersection 400 and the helmet buckle 10 is reinforced by the connection at both ends.

In order to increase the friction between the helmet buckle 10 and the belt, in one embodiment, as shown in fig. 1, at least one sidewall of the first through groove 100 is provided with a saw-tooth structure 500. Specifically, the roughness of the contact surface of the first through groove 100 with the belt is increased, so that the friction force between the first through groove 100 and the belt is increased, the resistance is increased, and the helmet buckle 10 needs a larger acting force to enable the helmet buckle 10 to slide.

In order to reduce the difficulty of processing the saw teeth, in an embodiment, as shown in fig. 1, a saw tooth structure 500 is disposed on a side wall of the first through groove 100 on a side away from the middle portion of the helmet buckle 10, specifically, a side wall of the first through groove 100 on a side away from the middle portion of the helmet buckle 10 is a side wall of the first through groove 100 that is the first side that comes into contact with after the helmet buckle 10 penetrates into the first through groove 100, friction between the belt and the helmet buckle 10 is increased at a position where the belt initially comes into contact with the helmet buckle 10, and here, where the belt is folded for the first time, an interaction force between the belt and the helmet buckle 10 is large, and the rough degree is increased by disposing the saw teeth to avoid slipping, so that the helmet buckle 10.

In order to increase the friction between the helmet buckle 10 and the belt, in one embodiment, as shown in fig. 1, at least one sidewall of the second through groove 200 is provided with a saw-tooth structure 500. Specifically, the roughness of the contact surface of the second through groove 200 with the belt is increased, so that the friction force between the second through groove 200 and the belt is increased, the resistance is increased, and the helmet buckle 10 can slide with a larger acting force.

In order to reduce the difficulty of processing the saw teeth, in an embodiment, a saw tooth structure 500 is disposed on a side wall of the second through groove 200 on a side away from the middle portion of the helmet buckle 10, specifically, a side wall of the second through groove 200 on a side away from the middle portion of the helmet buckle 10 is a side wall of the second through groove 200 which is first contacted after the helmet buckle 10 penetrates into the second through groove 200, friction between the belt and the helmet buckle 10 is increased at a position where the belt is first contacted with the helmet buckle 10, and a folding position is generated for the second time, an interaction force between the belt and the helmet buckle 10 is large, and the roughness is increased by disposing the saw teeth to prevent the helmet buckle 10 from slipping.

In order to increase the force arm, in one embodiment, an included angle between the length direction of the first through groove 100 and the length direction of the second through groove 200 is an obtuse angle, and specifically, compared with the acute angle or the right angle, the design of the obtuse angle makes the force arm of the belt after being folded twice on the helmet buckle 10 larger, and increases the resistance.

In order to make the contact force between the strap and the first through-groove 100 uniform, in one embodiment, the length direction of the first through-groove 100 is parallel to the end surface of the first end of the helmet buckle 10, and specifically, the strap penetrates into the first through-groove 100 through the end surface of the first end of the helmet buckle 10, each transverse section of the strap is parallel to the first through-groove 100, and the force applied to each transverse section of the strap is uniform.

In order to make the contact force between the strap and the second through groove 200 uniform, in one embodiment, the length direction of the second through groove 200 is parallel to the side surface of the first side of the helmet buckle 10, and specifically, the strap penetrates into the second through groove 200 through the side surface of the second end of the helmet buckle 10, each transverse section of the strap is parallel to the second through groove 200, and the force applied to each transverse section of the strap is uniform.

In order to make the strap more conveniently and straightly penetrate into the communication groove 410, in one embodiment, as shown in fig. 1, a central region of the helmet buckle 10 is provided with a groove 600, and the groove 600 at least extends to an end of the second end of the helmet buckle 10, so that the communication groove 410 formed between the second end of the helmet buckle 10 and the intersection 400 is higher, and the strap can smoothly penetrate into the communication groove 410.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A helmet buckle is characterized in that the helmet buckle is provided with a first surface and a second surface which are arranged in a back-to-back mode, a first penetrating groove is formed in the position, close to a first end of the helmet buckle, of the helmet buckle and penetrates through the first surface and the second surface, a second penetrating groove is formed in the position, close to a first side of the helmet buckle, of the helmet buckle and penetrates through the first surface and the second surface, an inclined groove is formed in the middle of the helmet buckle and penetrates through the first surface and the second surface, the inclined groove extends from the first side of the first end of the helmet buckle to the second side of a second end of the helmet buckle,

2. The helmet fastener of claim 1, wherein the intersection has a third surface and a fourth surface opposite to each other, the third surface and the fourth surface are perpendicular to the first surface and the second surface, respectively, the third surface faces the second end of the helmet fastener, and the intersection groove extends through the third surface and the fourth surface of the intersection.

3. The helmet buckle of claim 1, wherein two sides of the intersection are connected to two sides of the second end of the helmet buckle, respectively.

4. The helmet fastener of claim 1 wherein at least one sidewall of the first through-groove has a saw-tooth structure.

5. The helmet fastener of claim 4, wherein a saw-tooth structure is disposed on a sidewall of the first through groove on a side away from the middle portion of the helmet fastener.

6. The helmet fastener of claim 1 wherein at least one sidewall of the second through-groove has a saw-tooth structure.

7. The helmet fastener of claim 6, wherein a saw-tooth structure is disposed on a sidewall of the second through groove on a side away from the middle portion of the helmet fastener.

8. The helmet fastener of claim 1, wherein an angle between a length direction of the first through groove and a length direction of the second through groove is an obtuse angle.

9. The helmet fastener of claim 1, wherein the first through-groove has a length direction parallel to an end surface of the first end of the helmet fastener.

10. The helmet fastener of claim 1 wherein the second slot is parallel to the first side of the helmet fastener.