A helmet bracket

Abstract

The utility model relates to a helmet bracket, in which a helmet connector is provided with a first wing claw and a second wing claw to form a triangular connection structure, which increases the connection points with the helmet, increases the area of ​​the helmet connector, and shares the bearing force, so that the connection between the helmet connector and the helmet is more stable. A sliding slot is provided at the central connecting part, which cooperates with the limiting guide rail and the upper and lower strip holes of the first connector to ensure the stability of the up and down adjustment. The clamping platform of the equipment connector is clamped by a fixed clamping block and a movable clamping block, and the tight fit is ensured by the elastic soft pad at the bottom of the clamping platform to avoid the observation device from shaking unsteadily.

Description

Technical Field

[0001] The utility model relates to the technical field of head-mounted observation equipment, in particular to a helmet bracket. Background Art

[0002] Head-mounted observation devices include night vision goggles, telescopes, VR glasses, etc. These devices usually need to be connected to the helmet with the help of a bracket to facilitate wearing on the head. The existing bracket is usually integrally formed with the helmet or screwed and fixed. The height of the bracket is fixed, and the bracket only has the function of adjusting the elevation angle, which makes it impossible to adapt to people with different head shapes; and because the existing head-mounted observation devices are heavy, the existing bracket often automatically drops, making it inconvenient to use, and in serious cases, it may even hurt the head. Utility Model Content

[0003] In view of the above situation, it is necessary to propose a helmet bracket with a universal cavity.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a helmet bracket, comprising:

[0005] The helmet connecting claw comprises a first wing claw, a central connecting portion and a second wing claw which are arranged in sequence as a whole, wherein the first wing claw, the central connecting portion and the second wing claw are all provided with a screw connection portion for connecting with the helmet and the three screw connections form an isosceles triangle, and the central connecting portion is provided with a sliding slot;

[0006] The first connecting member comprises a height adjustment plate and a first connecting portion connected in an integral manner, the height adjustment plate is provided with a limit guide rail slidably connected to the card slot, the height adjustment plate is provided with upper and lower strip holes, and the upper and lower strip holes correspond to the screw connection portion on the central connecting portion for height adjustment;

[0007] A second connecting member, comprising an integrated second connecting portion and a first hinged portion, wherein the second connecting portion and one of the first connecting portions have front and rear strip holes, and the second connecting portion and the first connecting portion are connected via a first tension adjustment knob assembly;

[0008] The equipment connector includes an integrated second hinged portion and a clamping platform, wherein the clamping platform has an installation cavity opened toward one end, wherein a movable clamping block and a return spring abutting against the movable clamping block are arranged in the installation cavity, wherein a fixed clamping block is arranged at the end of the clamping platform facing away from the opening, wherein the return spring has a restoring force when the movable clamping block moves toward the fixed clamping block, wherein the second hinged portion is arranged at the middle part of the clamping platform, wherein the second hinged portion is hingedly connected to the first hinged portion via a second tension knob assembly, and wherein an elastic pad is also arranged at the bottom of the clamping platform.

[0009] Furthermore, a limiting protrusion is provided on one end of the clamping platform close to the first connecting member, and the limiting protrusion limits the rotation angle by abutting against the lower end of the second connecting member.

[0010] Furthermore, one side of the second connecting member is connected to the first magnetic limit member, and a second magnetic limit member is provided on an end of the clamping platform away from the first connecting member. When the clamping platform is rotated upward to a preset angle, the first magnetic limit member and the second magnetic limit member are magnetically abutted.

[0011] Furthermore, the second magnetic stopper is arranged in the clamping platform, and the clamping platform is provided with an exposure hole for exposing the second magnetic stopper, and the first magnetic stopper is magnetically attracted to the second magnetic stopper through the exposure hole.

[0012] Furthermore, the first connecting portion is provided with front and rear strip holes, and the first tension adjustment knob assembly is adjusted front and rear through the front and rear strip holes.

[0013] Furthermore, a guide rail sliding groove limiting structure is provided between the first connecting portion and the second connecting portion.

[0014] Furthermore, the mounting cavity includes an extension hole and a limiting groove which is arranged on one side of the extension hole and connected to the extension hole, and the movable block includes an integral block portion and a limiting portion, the block portion is arranged in the extension hole, and the limiting portion is located in the limiting groove, and the length of the limiting groove along the moving direction of the movable block is greater than the length of the limiting portion to limit the extension length of the block portion.

[0015] Furthermore, a control hole is provided at the upper end of the clamping platform, and the movable clamping block is extended with a control protrusion extending from the control hole, and the length of the control hole in the moving direction of the movable clamping block is greater than or equal to the stroke of the movable clamping block.

[0016] Furthermore, a spacing damping structure is provided between the first hinged part and the second hinged part, and the spacing damping structure comprises an annular array of convex teeth and an annular array of tooth grooves, and the convex teeth cooperate with the tooth grooves for damping.

[0017] The beneficial effect of the utility model is that the helmet connector is provided with a first wing claw and a second wing claw to form a triangular connection structure, which increases the connection points with the helmet, increases the area of ​​the helmet connector, and shares the bearing force, making the connection between the helmet connector and the helmet more stable. The central connecting part is provided with a sliding slot, which cooperates with the limiting guide rail and the upper and lower strip holes of the first connector to ensure the stability of the up and down adjustment. The clamping platform of the equipment connector is clamped by a fixed clamping block and a movable clamping block, and the tight fit is ensured by the elastic cushion at the bottom of the clamping platform to avoid the observation device from shaking unsteadily. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a helmet bracket according to an embodiment of the utility model;

[0019] Figure 2 This is a structural schematic diagram of a helmet support in an embodiment of the utility model that is rotated to an upper limit position;

[0020] Figure 3 It is a structural schematic diagram of a helmet connecting claw of a helmet bracket according to an embodiment of the utility model;

[0021] Figure 4 This is a structural schematic diagram of a first connecting member of a helmet support according to an embodiment of the utility model;

[0022] Figure 5 This is a schematic structural diagram of a second connecting member of a helmet support according to an embodiment of the utility model;

[0023] Figure 6 This is a schematic structural diagram of a device connector of a helmet support according to an embodiment of the utility model;

[0024] Figure 7 It is a structural schematic diagram of a mounting cavity of a helmet bracket according to an embodiment of the utility model.

[0025] Description of labels:

[0026] 100, helmet connecting claw; 110, first wing claw; 111, screw connection portion; 120, central connecting portion;

[0027] 121, sliding slot; 130, second wing claw; 200, first connecting member; 210, height adjustment plate;

[0028] 211, up and down adjustment holes; 212, limit guide rail; 220, first connecting part; 221, front and rear strip holes;

[0029] 222, sliding guide rail; 223, damping block; 300, second connecting member; 310, second connecting portion;

[0030] 320, first hinged portion; 321, convex teeth; 322, rotation limiting groove;

[0031] 400, first tension adjustment knob assembly; 500, second tension adjustment knob assembly;

[0032] 510, rotating stud; 520, locking nut; 600, equipment connecting piece; 610, second hinged part;

[0033] 611, tooth groove; 620, clamping platform 621, installation cavity; 6211, extension hole; 6212, limit groove;

[0034] 622, movable block; 6221, block portion; 6222, limit portion; 6223, control convex block;

[0035] 623, return spring; 624, fixed block; 625, limiting protrusion; 626, second magnetic limiting member;

[0036] 627, control hole; 628, exposure hole; 700, elastic cushion; 800, first magnetic limiter. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the utility model more clear, the following is a further detailed description of a helmet bracket of the utility model in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0038] Please refer to Figure 1-Figure 7 , a helmet bracket, comprising:

[0039] The helmet connecting claw 100 includes a first wing claw 110, a central connecting portion 120 and a second wing claw 130 which are arranged in sequence as a whole. The first wing claw 110, the central connecting portion 120 and the second wing claw 130 are all provided with a screw connection portion 111 for connecting with the helmet, and the three screw connections 111 form an isosceles triangle. The central connecting portion 120 is provided with a sliding slot 121.

[0040] The first connecting member 200 includes a height adjustment plate 210 and a first connecting portion 220 connected in an integral manner. The height adjustment plate 210 is provided with a limit guide rail 212 slidably connected to the card slot. The height adjustment plate 210 is provided with upper and lower strip holes, and the upper and lower strip holes correspond to the screw connection portion 111 on the central connecting portion 120 for height adjustment;

[0041] The second connecting member 300 includes an integrated second connecting portion 310 and a first hinged portion 320. The second connecting portion 310 and one of the first connecting portion 220 have front and rear strip holes 221. The second connecting portion 310 and the first connecting portion 220 are connected via a first tension adjustment knob assembly 400.

[0042] The device connector 600 includes an integrated second hinged portion 610 and a clamping platform 620. The clamping platform 620 has an installation cavity 621 that is open at one end. The installation cavity 621 is provided with a movable clamping block 622 and a return spring 623 that abuts against the movable clamping block 622. A fixed clamping block 624 is provided at the end of the clamping platform 620 that is away from the opening. When the movable clamping block 622 moves in the direction of the fixed clamping block 624, the return spring 623 has a restoring force. The second hinged portion 610 is arranged in the middle of the clamping platform 620. The second hinged portion 610 is hingedly connected to the first hinged portion 320 through a second tension knob assembly. An elastic cushion 700 is also provided at the bottom of the clamping platform 620.

[0043] The helmet connector is provided with a first wing claw 110 and a second wing claw 130 to form a triangular connection structure, which increases the connection points with the helmet, increases the area of ​​the helmet connector, and shares the bearing force, making the connection between the helmet connector and the helmet more stable. The central connecting portion 120 is provided with a sliding slot 121, which cooperates with the limiting guide rail 212 and the upper and lower strip holes of the first connector 200 to ensure the stability of the up and down adjustment. The clamping platform 620 of the equipment connector 600 is clamped by a fixed clamping block 624 and a movable clamping block 622, and the tight fit is ensured by the elastic cushion 700 at the bottom of the clamping platform 620 to prevent the observation device from shaking unsteadily.

[0044] Please refer to Figure 6 A limiting protrusion 625 is provided on one end of the clamping platform 620 close to the first connecting member 200, and the limiting protrusion 625 limits the rotation angle by abutting against the lower end of the second connecting member 300. The limiting protrusion 625 is set to limit the limit angle of the clamping platform 620 to rotate downward. Preferably, the limit angle is that the clamping platform 620 is horizontal when the helmet is worn, ensuring that the field of view of the observation device is level, and is specifically set according to the arc inclination angle of the helmet.

[0045] Please refer to Figure 1 and Figure 6 One side of the second connecting member 300 is connected to the first magnetic stopper 800, and the second magnetic stopper 626 is provided on the end of the clamping platform 620 away from the first connecting member 200. When the clamping platform 620 is rotated upward to a preset angle, the first magnetic stopper 800 and the second magnetic stopper 626 are magnetically abutted. The first magnetic stopper 800 and the second magnetic stopper 626 are provided to facilitate the observation device to be rotated, opened and stably fitted when not in use, so as to prevent the observation device from falling due to its own excessive weight.

[0046] Please refer to Figure 1 , Figure 6 and Figure 7The second magnetic stopper 626 is disposed in the clamping platform 620, and the clamping platform 620 is provided with an exposure hole 628 for exposing the second magnetic stopper 626. The first magnetic stopper 800 is magnetically attracted to the second magnetic stopper 626 through the exposure hole 628. The second magnetic stopper 626 is disposed in the clamping platform 620 to prevent the second magnetic stopper 626 from falling off. The provision of the exposure hole 628 allows the first magnetic stopper 800 and the second magnetic stopper 626 to be directly close to each other, and the magnetic attraction is more stable.

[0047] Please refer to Figure 4 The first connection part 220 is provided with front and rear strip holes 221, and the first tension adjustment knob assembly 400 is adjusted front and rear through the front and rear strip holes 221. Alternatively, the front and rear strip holes 221 can also be set on the second connection part 310, and the specific setting is based on the needs.

[0048] Please refer to Figure 4 and Figure 5 , there is a guide rail and slide groove limiting structure between the first connection part 220 and the second connection part 310. Simply, the first connection part 220 is provided with a plurality of parallel and spaced sliding guide rails 222, and the second connection part 310 is provided with a plurality of parallel and spaced slide grooves 311. In particular, the second connection part 310 is provided with two connection grooves, the first connection part 220 has two convex plates, the two convex plates are adapted to the two connection grooves, and two parallel and spaced sliding guide rails 222 are provided on the opposite sides of the two convex plates, and the slide grooves 311 adapted to the sliding guide rails 222 are provided in the connection grooves.

[0049] In particular, please refer to Figure 4 A damping block 223 is also provided between the first connection part 220 and the second connection part 310 to increase the friction force of the front and rear adjustment and increase the stability of the adjustment. Simply, an embedding groove is provided on the opposite side of the convex plate, and the damping block 223 is bonded and embedded in the embedding groove. The damping block 223 can be made of a material with elasticity and rough surface, such as rubber.

[0050] Please refer to Figure 7 The mounting cavity 621 includes a protruding hole 6211 and a limiting groove 6212 disposed on one side of the protruding hole 6211 and communicating with the protruding hole 6211. The movable block 622 includes an integral block portion 6221 and a limiting portion 6222. The block portion 6221 is disposed in the protruding hole 6211. The limiting portion 6222 is located in the limiting groove 6212. The length of the limiting groove 6212 along the moving direction of the movable block 622 is greater than the length of the limiting portion 6222 to limit the protruding length of the block portion 6221. The limiting groove and the limiting portion 6222 are provided to limit the protruding length of the block portion 6221.

[0051] Please refer to Figure 1 and Figure 6The upper end of the card connection platform 620 is provided with a control hole 627, and the movable card block 622 is extended with a control protrusion 6223 extending from the control hole 627. The length of the control hole 627 in the moving direction of the movable card block 622 is greater than or equal to the stroke of the movable card block 622. The control protrusion 6223 is provided, and the movable card block 622 is moved by toggling the protrusion, which makes the connection of the card connection platform 620 more convenient.

[0052] Please refer to Figure 5-Figure 7 An interval damping structure is provided between the first hinge part 320 and the second hinge part 610. The interval damping structure includes a circular array of convex teeth 321 and a circular array of tooth grooves 611. The convex teeth 321 and the tooth grooves 611 are damping-coordinated. The interval damping structure is formed by the convex teeth 321 and the tooth grooves 611, which not only provides a good hand feel during rotation, but also enables the rotation posture to be maintained more advantageously. Simply, the first hinge part 320 is a boss, and the second hinge part 610 is a clamping claw. An annular array of convex teeth 321 is provided at one end of the boss, and a circular array of tooth grooves 611 is provided on the claw of one of the clamping claws. It can be understood that the claw of the clamping claw has elasticity, and can be made of plastic or elastic metal or alloy.

[0053] Preferably, please refer to Figure 5 , there is an angle a between the second connecting portion 310 and the first hinge portion 320. It can be understood that the angle a is set according to the inclination angle of the connection position between the helmet and the helmet connector to ensure that the clamping platform 620 is facing the eyes of the person when it is in the downward limit position.

[0054] Please refer to Figure 1 , Figure 2 and Figure 5 The first tension adjustment knob assembly 400 and the second tension adjustment knob assembly 500 both include a rotation stud 510 and a locking nut 520, and the locking nut 520 is locked through the rotation limiting groove 322, that is, the locking nut 520 of the first tension adjustment knob assembly 400 is locked with the rotation limiting groove 322 on the second connecting portion 310, and the locking nut 520 of the second tension adjustment knob assembly 500 is locked with the rotation limiting groove 322 on the first hinge portion 320. In particular, the rotation stud 510 of the first tension adjustment knob assembly 400 and the rotation stud 510 of the second tension adjustment knob assembly 500 are arranged on different sides to facilitate blind adjustment, in particular; the rotation stud 510 of the first tension adjustment knob assembly 400 and the rotation stud 510 of the second tension adjustment knob assembly 500 are different in length to enhance recognition and facilitate blind adjustment.

[0055] Simply, the first magnetic stopper 800 can be directly formed integrally with the second connector 300, or can be fixedly connected to the first magnetic stopper 800 by screwing or welding. One of the first magnetic stopper 800 and the second magnetic stopper 626 is a magnet, and the other is a magnet or ferromagnetic material.

[0056] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0057] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0058] In summary, the utility model provides a helmet bracket, in which a helmet connector is provided with a first wing claw and a second wing claw to form a triangular connection structure, which increases the connection points with the helmet, increases the area of ​​the helmet connector, and shares the bearing force, so that the connection between the helmet connector and the helmet is more stable. A sliding slot is provided at the central connecting part, which cooperates with the limiting guide rail and the upper and lower strip holes of the first connector to ensure the stability of the up and down adjustment. The clamping platform of the equipment connector is clamped by a fixed clamping block and a movable clamping block, and the tight fit is ensured by the elastic cushion at the bottom of the clamping platform to avoid the unstable shaking of the observation equipment.

[0059] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A helmet bracket, characterized in that: include: The helmet connecting claw comprises a first wing claw, a central connecting portion and a second wing claw which are arranged in sequence as a whole, wherein the first wing claw, the central connecting portion and the second wing claw are all provided with a screw connection portion for connecting with the helmet and the three screw connections form an isosceles triangle, and the central connecting portion is provided with a sliding slot; The first connecting member comprises a height adjustment plate and a first connecting portion connected in an integral manner, the height adjustment plate is provided with a limit guide rail slidably connected to the card slot, the height adjustment plate is provided with upper and lower strip holes, and the upper and lower strip holes correspond to the screw connection portion on the central connecting portion for height adjustment; A second connecting member, comprising an integrated second connecting portion and a first hinged portion, wherein the second connecting portion and one of the first connecting portions have front and rear strip holes, and the second connecting portion and the first connecting portion are connected via a first tension adjustment knob assembly; The equipment connector includes an integrated second hinged portion and a clamping platform, wherein the clamping platform has an installation cavity opened toward one end, wherein a movable clamping block and a return spring abutting against the movable clamping block are arranged in the installation cavity, wherein a fixed clamping block is arranged at the end of the clamping platform facing away from the opening, wherein the return spring has a restoring force when the movable clamping block moves toward the fixed clamping block, wherein the second hinged portion is arranged at the middle part of the clamping platform, wherein the second hinged portion is hingedly connected to the first hinged portion via a second tension knob assembly, and wherein an elastic pad is also arranged at the bottom of the clamping platform.

2. A helmet bracket according to claim 1, characterized in that: A limiting protrusion is provided on one end of the clamping platform close to the first connecting member, and the limiting protrusion limits the rotation angle by abutting against the lower end of the second connecting member.

3. A helmet bracket according to claim 1, characterized in that: One side of the second connecting member is connected to the first magnetic limiting member, and the second magnetic limiting member is provided on the end of the clamping platform away from the first connecting member. When the clamping platform is rotated upward to a preset angle, the first magnetic limiting member and the second magnetic limiting member are magnetically abutted.

4. A helmet support according to claim 3, characterized in that: The second magnetic stopper is disposed in the clamping platform. The clamping platform is provided with an exposure hole for exposing the second magnetic stopper. The first magnetic stopper is magnetically attracted to the second magnetic stopper through the exposure hole.

5. A helmet bracket according to claim 1, characterized in that: The first connecting portion is provided with front and rear strip holes, and the first tension adjustment knob assembly is adjusted front and rear through the front and rear strip holes.

6. A helmet support according to claim 1, characterized in that: A guide rail sliding groove limiting structure is provided between the first connecting portion and the second connecting portion.

7. A helmet support according to claim 1, characterized in that: The mounting cavity includes an extension hole and a limiting groove which is arranged on one side of the extension hole and communicated with the extension hole, the movable block includes an integrated block portion and a limiting portion, the block portion is arranged in the extension hole, the limiting portion is located in the limiting groove, and the length of the limiting groove along the moving direction of the movable block is greater than the length of the limiting portion to limit the extension length of the block portion.

8. A helmet support according to claim 1 or 7, characterized in that: A control hole is provided at the upper end of the clamping platform, and a control protrusion extending from the control hole is extended from the movable clamping block. The length of the control hole in the moving direction of the movable clamping block is greater than or equal to the stroke of the movable clamping block.

9. A helmet support according to claim 1, characterized in that: An interval damping structure is provided between the first hinge part and the second hinge part. The interval damping structure comprises an annular array of convex teeth and an annular array of tooth grooves. The convex teeth are damping-coordinated with the tooth grooves.

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