CN220109225U

CN220109225U - Protective helmet and helmet protective switching support

Info

Publication number: CN220109225U
Application number: CN202320791059.1U
Authority: CN
Inventors: 黄李元
Original assignee: Shenzhen Yuanboda Technology Co ltd
Current assignee: Shenzhen Yuanboda Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-12-01
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to a protective helmet and a helmet protective switching support, wherein the support comprises a connecting support arm, a rotary connecting component and a clamping component, and is used for connecting and supporting protective glass on the helmet. The helmet protection switching support is fixed on two sides of helmet protective glass respectively, one side of each connecting support arm is connected with the helmet protective glass, and the other side is connected with a rotary connecting assembly and a clamping assembly. When the clamping assembly clamps the adapter block which is connected to the helmet in a clamping manner, the screw jacking assembly contained in the rotary connecting assembly is rotated, so that the helmet protection adapter bracket can be fixed to the helmet. The helmet protection switching support enables the anti-riot helmet protective glass to be quickly installed on the helmet through the clamping assembly, and the position of the protective glass is adjustable as required. The product is quickly installed and the position can be adjusted according to the needs of users, so that the product has the advantage of being used for other similar products.

Description

Protective helmet and helmet protective switching support

Technical Field

The utility model relates to the technical field of helmet accessories, in particular to a protective helmet and a helmet protective switching support.

Background

The antiriot helmet is a police tool for protecting police personnel from head and face from striking injury or other potential injury when the police personnel execute business, such as splashing corrosive chemical liquid, or absorbing and slowing down the impact force of bullets, shrapnel and the like through the deformation of materials in the helmet, preventing shell fragments from damaging the head, and realizing the protection effect on the head of the user.

At present, when the prior anti-riot helmet is used, the anti-riot helmet protective glass has the problem of inconvenient installation and position adjustment, so that a helmet protection switching support is hoped to be arranged by a person skilled in the art, and the anti-riot helmet protective glass can be conveniently installed and position adjusted.

Disclosure of Invention

In view of the above, a protective helmet and a helmet protective switching support are provided, and the helmet protective switching support can enable protective glass of an anti-riot helmet to be quickly installed on the helmet, and the position of the protective glass can be randomly adjusted according to the needs of a user, so that the installation convenience and the use adjustment comfort of the user are realized, and the use experience of the user is greatly enhanced.

The utility model provides a helmet protection switching support, its is used for connecting and supporting protective glass on the helmet, the support is including connecting support arm, swivelling joint subassembly and clamping subassembly, connect the support arm through swivelling joint subassembly rotationally is connected to clamping subassembly, clamping subassembly includes fastener, lower fastener, elastic support element and concatenates the connecting rod in upper and lower fastener, lower fastener is connected in swivelling joint subassembly, the connecting rod top is connected with eccentric compression hand strap, go up fastener and lower fastener respectively with elastic support element contact or be connected and change in eccentric rotation time interval of eccentric compression hand strap and be used for chucking a switching piece on the helmet.

Further, one end of the connecting rod is connected with the eccentric compaction hand plate through a rotating shaft, and the other end of the connecting rod is threaded and is connected with an adjusting nut.

Further, the eccentric compaction hand plate comprises an eccentric connecting part and a handle part which are connected, wherein the eccentric connecting part is extended with two circular plates which are arranged in parallel, the two circular plates are correspondingly provided with eccentric holes, and the two eccentric holes are connected to the top of the connecting rod through a rotating shaft.

Further, the same side of the upper clamping piece and the lower clamping piece is respectively provided with an upper clamping edge and a lower clamping edge, the upper clamping edge and the lower clamping edge define a clamping groove, the upper clamping edge is an upper side groove wall of the clamping groove, and the clamping groove is provided with a dovetail groove.

Further, the elastic support comprises at least one guide pin, and each guide pin is provided with at least one pressure spring.

Further, at least one mounting hole is formed in the lower clamping piece, the lower clamping piece is provided with a contact surface in butt joint with the upper clamping piece, each mounting hole extends inwards for a preset distance from the contact surface of the lower clamping piece, the mounting holes extend inwards along the direction parallel to the connecting rod, and each mounting hole is internally provided with one elastic supporting piece correspondingly.

Further, two holes are formed in one end of the connecting support arm and used for connecting the protective glass, and two holes are formed in the other end of the connecting support arm and connected with the rotary connecting assembly.

Further, the rotary connecting assembly comprises a screw tightening assembly and a spherical connecting assembly, wherein the screw tightening assembly is installed in one hole at one end of the connecting support arm, and the spherical connecting assembly is installed in the other hole of the connecting support arm.

Further, the spherical connecting assembly comprises a connecting ball rod, a rotary limiting plate, a fixing plate and a top plate, wherein the ball rod is fixed in one hole of the connecting support arm, the rotary limiting plate is fixed on the fixing plate, a clamping position is formed on the rotary limiting plate and the fixing plate, the spherical head at one end of the ball rod is clamped, the fixing plate is in rotatable connection with the connecting support arm, the top plate is fixed at the other end of the fixing plate, the top plate is propped against the helmet when the screw propping assembly is propped up tightly, and two holes are formed in the upper end of the fixing plate and used for fixing the lower clamping piece of the clamping assembly.

A protective helmet comprising a helmet body, a cover glass, and a bracket connecting the cover glass to the helmet body, the bracket being a helmet shield adapter bracket as described above.

In the protection helmet and the helmet protection switching support, after the eccentric pressing hand plate is rotated to clamp the switching block which is switched on the helmet, the screw jacking component is rotated to rapidly install the protective glass on the helmet, so that rapid installation can be realized, the operation is convenient, and the structure after installation is stable and firm. In addition, the interval between the upper clamping edge and the lower clamping edge is adjustable, so that the helmet is suitable for helmets of different size types, has strong adaptability, is more flexible to apply, and has wide application prospect.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:

fig. 1 is a schematic perspective view of a protective helmet according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a mounting structure of a slideway and an adapter on a helmet in a helmet protection adapter bracket according to an embodiment of the present utility model.

Fig. 3 is a block diagram of a clamping assembly in a helmet protection adapter bracket according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of the rotary connection assembly in the helmet protection adapter bracket according to the embodiment of the present utility model.

Wherein 1, a protective helmet; 2. the slideway and the adapter block assembly;

3. a clamping assembly; 4. a rotary connection assembly;

5. the connecting support arm; 6. a cover glass;

7. a slideway; 8. a transfer block;

15. eccentric compaction hand plate; 16. an upper clamping piece;

17. a lower clamping piece; 18. a connecting rod;

19. a rotating shaft; 20. a fixing plate;

21. an adjusting nut; 22. a spring plate fixed on the switching block;

40. rotating the screw; 41. rotating the limiting plate;

42. a top plate; 43. a ball head rod;

Detailed Description

It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The present utility model will be described in detail with reference to specific embodiments and drawings.

Referring to fig. 1 to 4, a protective helmet and a helmet protective adapter bracket according to an embodiment of the present utility model are shown, and a protective helmet 1 includes a helmet body and a protective glass 6. The helmet protection switching bracket connects the protective glass 6 to the protective helmet 1. The helmet protection switching support mainly comprises a clamping assembly 3, a rotary connecting assembly 4 and a connecting support arm 5.

Specifically, one end of the connecting arm 5 is connected with the protective glass 6, and the other end is connected with the clamping component 3 and the rotary connecting component 4.

Specifically, the clamping assembly 3 mainly comprises an upper clamping piece 16, a lower clamping piece 17, an eccentric pressing hand plate 15, a connecting rod 18, a fixing plate 20, an adjusting nut 21 and a rotating shaft 19. The lower clamping piece 17 is fixed on the fixing plate 20 to realize positioning. The upper clamping piece 16 and the lower clamping piece 17 are respectively contacted or connected with the elastic supporting piece and are used for clamping an adapter block 8 which is connected to the helmet when the eccentric pressing hand plate 15 eccentrically rotates. The compression spring and the guide pin shaft are arranged between the upper clamping piece 16 and the lower clamping piece 17, so that the upper clamping piece and the lower clamping piece can move up and down, and a gap is arranged between the upper clamping piece and the lower clamping piece. The elastic support piece comprises a pressure spring and a guide pin shaft. A through hole is formed in the middle of the upper clamping piece and the lower clamping piece, the connecting rod 18 with threads at one end is penetrated in the through hole, and one end of the connecting rod 18 is in a flat circular shape with a hole in the middle. The connecting rod 18 is connected with the rotatable eccentric compaction hand plate 15 through a rotating shaft 19.

As shown in fig. 3, the other end of the connecting rod 18 is threaded with an adjustment nut 21, such as a hex nut. When the eccentric pressing hand plate 15 is rotated to a pressing position, the middle distance between the upper clamping groove and the lower clamping groove is enabled to be minimum, and the adjusting nut 21 at the other end of the connecting rod 18 is rotated, so that fine adjustment of the pressing distance between the upper clamping piece and the lower clamping piece can be achieved, and the pressing reliability is ensured. The distance between the upper clamping piece and the lower clamping piece can ensure that the transfer block 8 in the slideway can enter, and the transfer block in the slideway can be ensured to be tightly pressed during the compaction. The same side of the upper clamping piece and the lower clamping piece is respectively provided with an upper clamping edge and a lower clamping edge, so that the clamped-in adapter block 8 in the slideway 7 can be prevented from sliding out.

The upper and lower clamping edges of the upper and lower clamping members 16, 17 define a clamping groove for clamping the adapter 8. The upper clamping edge is an upper groove wall of the clamping groove, and can also be the upper half part of the clamping groove, and the clamping groove is provided with a dovetail groove. Further, the lower clamping member 17 is provided with at least one mounting hole, the lower clamping member 17 has a contact surface abutting against the upper clamping member 16, each mounting hole extends inward a predetermined distance from the contact surface of the lower clamping member 17, the mounting hole extends inward along a direction parallel to the connecting rod 18, and each mounting hole is internally provided with one elastic support member.

As shown in fig. 2 and 3, specifically, two slide ways 7 are respectively fixed on two sides of the protective helmet 1, the slide ways 7 on two sides are symmetrical structures, and sliding clamping grooves are formed in the slide ways 7. Dovetail grooves are formed in the upper end and the lower end of the adapter block 8, and the adapter block 8 can be clamped in the sliding clamping groove to slide smoothly. Therefore, on each side of the helmet 1, one end of the adapter bracket is connected with the protective glass 6, and the other end is clamped with the adapter block 8, so that the protective glass 6 is mounted on the protective helmet 1. The side of the adapter block 8 is provided with a spring piece 22 fixed on the adapter block, the spring piece 22 fixed on the adapter block can enable pre-pressure to exist between the adapter block 8 and the slideway 7, so that the adapter block 7 can be clamped into the slideway 8 to move smoothly, friction force is generated due to the pre-pressure between the adapter block 7 and the slideway 8, and the adapter block 8 can stay at any position of the slideway 7 under the condition that the adapter block is not subjected to external force.

Specifically, the clamping assembly 3 acts to compress the adapter 8 that is clamped in the slideway 7 and slides smoothly.

Specifically, the rotary connecting assembly 4 comprises a screw tightening assembly and a spherical connecting assembly. The screw tightening assembly is mounted in one hole on one side of the connecting arm 5, and the spherical connecting assembly is mounted in the other hole of the connecting arm 5.

Specifically, the spherical connection assembly includes a connection ball rod 43, a rotation limiting plate 41, a fixing plate 20, and a top plate 42. The ball head rod 43 is fixed in a hole of the connecting support arm 5, the rotation limiting plate 41 is fixed on the fixing plate 20, a clamping position is formed on the structure of the rotation limiting plate 41 and the fixing plate 20, a ball head at one end of the ball head rod 43 is clamped, and the rotatable connection of the fixing plate 20 and the connecting support arm 5 is realized. The other end of the fixing plate 20 is fixed with the top plate 42, and the top plate 42 is propped against the helmet when the screw propping assembly is propped tightly. The upper end of the fixing plate 20 is provided with two holes for fixing the lower clamping piece of the clamping assembly.

Specifically, the rotary connection assembly 4 is used for fixing the helmet cover glass bracket to the helmet through the rotary screw 40 after the eccentric pressing hand plate 15 presses the adapter 8 which is clamped in the slide way 7 and slides smoothly.

The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The utility model provides a helmet protection switching support, its is used for connecting and supporting protective glass on the helmet, its characterized in that, the support is including connecting support arm, swivelling joint subassembly and clamping subassembly, the connection support arm passes through swivelling joint subassembly rotationally is connected to clamping subassembly, clamping subassembly includes fastener, lower fastener, elastic support member and concatenates the connecting rod of fastener about in, lower fastener is connected in swivelling joint subassembly, the connecting rod top is connected with eccentric compression hand plate, go up fastener and lower fastener respectively with elastic support member contact or be connected to change in the interval when eccentric compression hand plate eccentric rotation is used for chucking a switching piece on the helmet.

2. The helmet shield adapter bracket of claim 1, wherein one end of the connecting rod is connected to the eccentric compression hand plate via a shaft, and the other end is threaded and connected to an adjustment nut.

3. The helmet shield adapter bracket of claim 1, wherein the eccentric compression hand plate includes an eccentric connecting portion and a handle portion that are connected, the eccentric connecting portion extends with two circular plates arranged in parallel, the two circular plates correspondingly have eccentric holes, and the two eccentric holes are connected to the top of the connecting rod through a rotating shaft.

4. The helmet shield adapter bracket of claim 1, wherein the upper and lower clip members have upper and lower clip edges on the same side, respectively, the upper and lower clip edges defining a slot, the upper clip edge being an upper slot wall of the slot, the slot having a dovetail slot.

5. The helmet shield transition support of claim 1, wherein said flexible support member includes at least one guide pin, each guide pin incorporating at least one compression spring.

6. The helmet shield adapter bracket of claim 5, wherein said lower clip defines at least one mounting hole, said lower clip having a contact surface for interfacing with an upper clip, each mounting hole extending a predetermined distance inward from the contact surface of the lower clip, said mounting hole extending inward in a direction parallel to the connecting rod, each mounting hole being internally and correspondingly provided with one of said resilient supports.

7. The helmet shield adapter bracket of claim 1, wherein said connecting arm has two holes at one end for connecting said cover glass and two holes at the other end for connecting said swivel connection assembly.

8. The helmet shield adapter bracket of claim 1, wherein the swivel connection assembly includes a screw-tightening assembly mounted in one hole in one end of the connection arm and a ball-shaped connection assembly mounted in the other hole of the connection arm.

9. The helmet shield adapter bracket of claim 8, wherein the ball connection assembly includes a connection ball rod, a rotation limiting plate, a fixing plate, and a top plate, wherein the ball rod is fixed in a hole of the connection arm, the rotation limiting plate is fixed on the fixing plate, a clamping position is formed on the rotation limiting plate and the fixing plate, a ball head at one end of the ball rod is clamped, the fixing plate is rotatably connected with the connection arm, the top plate is fixed at the other end of the fixing plate, the top plate is propped against the helmet when the screw propping assembly is propped up, and two holes are formed at the upper end of the fixing plate for fixing the lower clamping piece of the clamping assembly.

10. A protective helmet comprising a helmet body, a cover glass, and a bracket connecting the cover glass to the helmet body, wherein the bracket is the helmet shield adapter bracket of any one of claims 1-9.