Helmet lens base and helmet

Abstract

The utility model belongs to the technical field of head protection devices, and particularly relates to a helmet lens base and a helmet. A fixed locking block and a movable locking block are arranged on the base, the movable locking block is elastically connected with the base through a first elastic part assembly, the first elastic part assembly enables the movable locking block to always bear an elastic force facing the fixed locking block, and the elastic force drives the movable locking block and the fixed locking block to be spliced to form a mounting hole for mounting a rotating ring on a lens. An arc-shaped guide groove is formed in the position, on one side of the mounting hole, of the movable locking block, a dismounting and mounting opening facilitating dismounting and mounting of a guide block on the lens is formed in the arc-shaped guide groove, an unlocking check block is arranged on one side of the movable locking block, and the unlocking check block is elastically connected with the movable locking block through a second elastic piece assembly. A lens opening limiting clamping groove and a lens closing limiting clamping groove which are matched with a gear shifting block on the lens are further formed in the fixed locking block; according to the utility model, the lens can be quickly disassembled and assembled, and the lens is firmly connected with the helmet lens base.

Description

Technical field:

[0001] The utility model belongs to the technical field of head protection devices, in particular to a helmet lens base and a helmet. Background technology:

[0002] A motorcycle helmet is a head protection device for motorcycle riders. The main purpose of the helmet is to protect the rider's head when it is hit, prevent or reduce injuries, and even save the rider's life. Usually, a motorcycle helmet is provided with a lens. The lenses of existing helmets are generally fixed on both sides of the helmet body by bolts or clamps, and the disassembly and assembly process is relatively cumbersome, and some require the use of external tools, which cannot be quickly disassembled and assembled. Summary of the invention:

[0003] The utility model aims to provide a helmet lens base and a helmet which can realize quick disassembly and assembly of lenses.

[0004] The utility model is achieved in this way:

[0005] One of the purposes of the utility model is to provide a helmet lens base, comprising a base fixedly arranged on the helmet body, a fixed locking block and a movable locking block are arranged on the outer side surface of the base, the fixed locking block is fixedly connected to the base or the helmet body, the movable locking block is elastically connected to the base through a first elastic member assembly, the first elastic member assembly causes the movable locking block to always be subjected to an elastic force toward the fixed locking block, the elastic force drives the movable locking block and the fixed locking block to be assembled to form a mounting hole for mounting a rotating ring on the lens, an arc guide groove is arranged on one side of the mounting hole of the movable locking block, a disassembly opening for facilitating the disassembly of the guide block on the lens is arranged on the arc guide groove, an unlocking block is arranged on one side of the movable locking block, the unlocking block can open or block the disassembly opening, the unlocking block is elastically connected to the movable locking block through a second elastic member assembly, the second elastic member assembly drives the unlocking block to abut against the movable locking block to further limit the movable locking block, the fixed locking block is also provided with a lens opening limit card slot and a lens closing limit card slot that cooperate with the gear toggle block on the lens.

[0006] In the above-mentioned helmet lens base, the first elastic member assembly includes a first spring seat arranged on the movable locking block and a second spring seat arranged on the base. The first spring seat and the second spring seat are arranged opposite to each other, and a first spring is arranged between the first spring seat and the second spring seat.

[0007] In the above-mentioned helmet lens base, two groups of the first elastic component components are arranged in an upper and lower interval.

[0008] In the above-mentioned helmet lens base, the second elastic member assembly includes a third spring seat arranged on the unlocking block and a fourth spring seat arranged on the movable locking block, a through hole is arranged on the unlocking block, one end of the unlocking block is stacked on the movable locking block, the fourth spring seat on the movable locking block is located in the through hole of the unlocking block, the third spring seat is located on the side wall of the through hole opposite to the fourth spring seat, and a second spring is arranged between the third spring seat and the fourth spring seat.

[0009] In the above-mentioned helmet lens base, a first guide groove is arranged on the unlocking block along the moving direction of the unlocking block, and one end of the fixed locking block is matched with the shape of the first guide groove and arranged in the first guide groove.

[0010] In the above-mentioned helmet lens base, one end of the movable locking block extends between the fixed locking block and the base, and an avoidance movable groove is provided on the movable locking block, the avoidance movable groove avoids the fixed locking block and the helmet body or the fastener connecting the fixed locking block, and has a travel for the movable locking block to overcome the spring force of the first spring.

[0011] In the above-mentioned helmet lens base, a second guide groove is arranged on the base along the moving direction of the movable locking block, and a protrusion is arranged on the movable locking block, and the protrusion is arranged in the second guide groove.

[0012] In the above-mentioned helmet lens base, a first slide groove is further arranged on the base along the moving direction of the movable locking block, a first limiting step is arranged in the first slide groove, a first limiting hook is arranged at a corresponding position on the movable locking block, the first limiting hook is located in the first slide groove, and a hook portion of the first limiting hook is located on one side of the first limiting step.

[0013] In the above-mentioned helmet lens base, a second slide groove is arranged on the base along the moving direction of the unlocking block, a second limiting step is arranged in the second slide groove, and a second limiting hook is arranged at a corresponding position on the unlocking block, the second limiting hook is located in the second slide groove, and the hook portion of the second limiting hook is located on one side of the second limiting step.

[0014] Another object of the utility model is to provide a helmet, comprising the above-mentioned helmet lens base, a helmet body, and a lens, wherein both ends of the lens are connected to the helmet body through the helmet lens base.

[0015] The outstanding advantages of the utility model compared with the prior art are:

[0016] The utility model has an ingenious structural design, does not require tools during disassembly and assembly, can quickly realize the disassembly and assembly of the lens, and the lens is firmly connected to the helmet lens base. Description of the drawings:

[0017] Figure 1is a schematic diagram of a helmet lens base in Example 1 being arranged on a helmet body;

[0018] Figure 2 is a front perspective schematic diagram of Example 1;

[0019] Figure 3 is a back perspective schematic diagram of Example 1;

[0020] Figure 4 is a schematic diagram of the base of Example 1;

[0021] Figure 5 is a schematic diagram of a movable locking block of Example 1;

[0022] Figure 6 is a front perspective schematic diagram of the fixed locking block of Example 1;

[0023] Figure 7 is a back perspective schematic diagram of the fixed locking block of Example 1;

[0024] Figure 8 is a schematic diagram of the unlocking block of Example 1 being connected to the movable locking block;

[0025] Fig. 9 is a schematic diagram of the unlocking block of Example 1;

[0026] Fig.10 It is a schematic diagram of the lens of the present utility model.

[0027] In the figure: 1. helmet body; 2. base; 3. fixed locking block; 4. movable locking block; 5. lens; 6. rotating ring; 7. mounting hole; 8. arc guide groove; 9. guide block; 10. disassembly and assembly port; 11. unlocking block; 12. gear toggle block; 13. lens opening limit slot; 14. lens closing limit slot; 15. first spring seat; 16. second spring seat; 17. third spring seat; 18. fourth spring seat; 19. through hole; 20. first guide groove; 21. avoidance movable groove; 22. second guide groove; 23. protrusion; 24. first slide groove; 25. first limit step; 26. first limit hook; 27. second slide groove; 28. second limit step; 29. ​​second limit hook. Specific implementation method:

[0028] The present invention is further described below with specific embodiments:

[0029] Example 1: See Figure 1-10 :

[0030] The present embodiment provides a helmet lens base, which includes a base 2 fixedly mounted on a helmet body 1, a fixed locking block 3 and a movable locking block 4 are arranged on the outer side of the base 2, the fixed locking block 3 is fixedly connected to the base 2 or the helmet body 1, and the movable locking block 4 is elastically connected to the base 2 through a first elastic member assembly, and the first elastic member assembly causes the movable locking block 4 to always be subjected to an elastic force toward the fixed locking block 3, and the elastic force drives the movable locking block 4 to be assembled with the fixed locking block 3 to form a mounting hole 7 for mounting a rotating ring 6 on the lens 5. It should be noted that the rotating ring 6 described here is an open ring structure composed of two or more arc-shaped pieces, such as Fig.10 As shown, of course, it can also be a closed loop structure. An arc guide groove 8 is provided on the movable lock block 4 and one side of the mounting hole 7. The arc guide groove 8 is provided with a disassembly opening 10 for facilitating the disassembly of the guide block 9 on the lens 5. An unlocking block 11 is provided on one side of the movable lock block 4. The unlocking block 11 can open or block the disassembly opening. The unlocking block 11 is elastically connected to the movable lock block 4 through a second elastic member assembly. The second elastic member assembly drives the unlocking block 11 to abut against the movable lock block 4 to further limit the movable lock block 4. The fixed lock block 3 is also provided with a lens opening limit card slot 13 and a lens closing limit card slot 14 that cooperate with the gear toggle block 12 on the lens 5.

[0031] Both ends of the lens 5 are provided with a rotating ring 6, a guide block 9, and a gear shift block 12. Two helmet lens bases are provided on the helmet body 1, which are respectively connected to the rotating ring 6, the guide block 9, and the gear shift block 12 at both ends of the lens 5.

[0032] When removing the lens 5, the lens 5 is pushed upward to open, at which time the gear shifting block 12 is located in the lens opening limit slot 13, and the guide block 9 moves to the position of the disassembly opening 10. The unlocking block 11 is manually pushed, the second elastic component is compressed, and the unlocking block 11 is separated from the unlocking block 11, the disassembly opening 10 is in an open state, the lens 5 is manually pulled, and the guide block 9 is released from the disassembly opening 10. At the same time, the rotating ring 6 acts on the movable locking block 4, and the movable locking block 4 moves to the side away from the fixed locking block 3 and compresses the first elastic component, so that one end of the lens 5 is disassembled from the helmet lens base.

[0033] When installing the lens 5 , the unlocking block 11 is pushed away, the locking block 4 is moved, the rotating ring 6 is inserted into the installation hole 7 , and the guide block 9 is inserted into the arc guide groove 8 .

[0034] As can be seen from the above, the utility model has an ingenious structural design, no tools are needed for disassembly and assembly, the lens 5 is easy to disassemble and assemble, and the lens 5 is firmly connected to the helmet lens base.

[0035] Furthermore, the first elastic member assembly includes a first spring seat 15 arranged on the movable locking block 4 and a second spring seat 16 arranged on the base 2. The first spring seat 15 and the second spring seat 16 are arranged opposite to each other, and a first spring (not shown in the figure) is arranged between the first spring seat 15 and the second spring seat 16.

[0036] In order to make the structure more stable, in this embodiment, two groups of the first elastic member components are arranged at intervals in the upper and lower parts.

[0037] Similarly, the second elastic member assembly includes a third spring seat 17 arranged on the unlocking block 11 and a fourth spring seat 18 arranged on the movable locking block 4. A through hole 19 is arranged on the unlocking block 11. One end of the unlocking block 11 is stacked on the movable locking block 4. The fourth spring seat 18 on the movable locking block 4 is located in the through hole 19 of the unlocking block 11. The third spring seat 17 is located on the side wall of the through hole 19 opposite to the fourth spring seat 18. A second spring (not shown in the figure) is arranged between the third spring seat 17 and the fourth spring seat 18.

[0038] In order to ensure the smooth movement of the unlocking block 11 , a first guide groove 20 is provided on the unlocking block 11 along the moving direction of the unlocking block 11 , and one end of the fixed locking block 3 is adapted to the shape of the first guide groove 20 and is arranged in the first guide groove 20 .

[0039] It should be noted that one end of the movable locking block 4 described in this embodiment extends between the fixed locking block 3 and the base 2, and an avoidance movable groove 21 is provided on the movable locking block 4. The avoidance movable groove 21 avoids the fixed locking block 3 and the helmet body 1 or the fastener connecting the fixed locking block 3, and has a travel for the movable locking block 4 to overcome the spring force of the first spring.

[0040] Similarly, in order to ensure smooth movement of the movable locking block 4 , a second guide groove 22 is provided on the base 2 along the moving direction of the movable locking block 4 , and a protrusion 23 is provided on the movable locking block 4 , and the protrusion 23 is disposed in the second guide groove 22 .

[0041] In order to limit the movable locking block 4 in the front and rear directions, a first sliding groove 24 is further provided on the base 2 along the moving direction of the movable locking block 4, a first limiting step 25 is provided in the first sliding groove 24, and a first limiting hook 26 is provided at a corresponding position on the movable locking block 4, the first limiting hook 26 is located in the first sliding groove 24, and the hook portion of the first limiting hook 26 is located on one side of the first limiting step 25.

[0042] In order to limit the unlocking block 11 in the front and rear directions, a second sliding groove 27 is arranged on the base 2 along the moving direction of the unlocking block 11, a second limiting step 28 is arranged in the second sliding groove 27, and a second limiting hook 29 is arranged at the corresponding position on the unlocking block 11. The second limiting hook 29 is located in the second sliding groove 27, and the hook portion of the second limiting hook 29 is located on one side of the second limiting step 28.

[0043] Embodiment 2:

[0044] This embodiment provides a helmet, comprising the helmet lens base, a helmet body, and a lens of the above-mentioned embodiment 1, wherein both ends of the lens are connected to the helmet body through the helmet lens base.

[0045] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A helmet lens base, characterized in that: The invention comprises a base (2) fixedly mounted on a helmet body (1), a fixed locking block (3) and a movable locking block (4) being arranged on the outer side surface of the base (2), the fixed locking block (3) being fixedly connected to the base (2) or the helmet body (1), the movable locking block (4) being elastically connected to the base (2) via a first elastic component assembly, the first elastic component causing the movable locking block (4) to always be subjected to an elastic force directed toward the fixed locking block (3), the elastic force driving the movable locking block (4) to be assembled with the fixed locking block (3) to form a mounting hole (7) for mounting a rotating ring (6) on a lens (5), an arc-shaped guide groove (8) being arranged on one side of the mounting hole (7) on the movable locking block (4), The arc-shaped guide groove (8) is provided with a disassembly opening (10) for facilitating the disassembly of the guide block (9) on the lens (5); an unlocking block (11) is provided on one side of the movable lock block (4); the unlocking block (11) can open or block the disassembly opening (10); the unlocking block (11) and the movable lock block (4) are elastically connected via a second elastic member assembly; the second elastic member assembly drives the unlocking block (11) to abut against the movable lock block (4) to further limit the movable lock block (4); and the fixed lock block (3) is also provided with a lens opening limit slot (13) and a lens closing limit slot (14) that cooperate with a gear shifting block (12) on the lens (5).

2. The helmet lens base according to claim 1, characterized in that: The first elastic member assembly comprises a first spring seat (15) arranged on the movable locking block (4) and a second spring seat (16) arranged on the base (2); the first spring seat (15) and the second spring seat (16) are arranged opposite to each other, and a first spring is arranged between the first spring seat (15) and the second spring seat (16).

3. A helmet lens base according to claim 1 or 2, characterized in that: The first elastic member components are arranged in two groups at intervals in the upper and lower parts.

4. The helmet lens base according to claim 1, characterized in that: The second elastic member assembly comprises a third spring seat (17) arranged on the unlocking block (11) and a fourth spring seat (18) arranged on the movable locking block (4); a through hole (19) is arranged on the unlocking block (11); one end of the unlocking block (11) is overlapped on the movable locking block (4); the fourth spring seat (18) on the movable locking block (4) is located in the through hole (19) of the unlocking block (11); the third spring seat (17) is located on the side wall of the through hole (19) opposite to the fourth spring seat (18); and a second spring is arranged between the third spring seat (17) and the fourth spring seat (18).

5. A helmet lens base according to claim 1 or 4, characterized in that: A first guide groove (20) is provided on the unlocking block (11) along the moving direction of the unlocking block (11), and one end of the fixed locking block (3) is matched with the shape of the first guide groove (20) and is arranged in the first guide groove (20).

6. The helmet lens base according to claim 1, characterized in that: One end of the movable locking block (4) extends between the fixed locking block (3) and the base (2), and an avoidance movable groove (21) is provided on the movable locking block (4), the avoidance movable groove (21) avoids the fixed locking block (3) and the helmet body (1) or the fastener connecting the fixed locking block (3), and has a travel for the movable locking block (4) to overcome the spring force of the first spring and move.

7. The helmet lens base according to claim 1, characterized in that: A second guide groove (22) is provided on the base (2) along the moving direction of the movable locking block (4), and a protrusion (23) is provided on the movable locking block (4), and the protrusion (23) is arranged in the second guide groove (22).

8. The helmet lens base according to claim 1, characterized in that: The base (2) is also provided with a first sliding groove (24) along the moving direction of the movable locking block (4), a first limiting step (25) is provided in the first sliding groove (24), and a first limiting hook (26) is provided at a corresponding position on the movable locking block (4), the first limiting hook (26) is located in the first sliding groove (24), and a hook portion of the first limiting hook (26) is located on one side of the first limiting step (25).

9. The helmet lens base according to claim 1, characterized in that: A second sliding groove (27) is arranged on the base (2) along the moving direction of the unlocking block (11), a second limiting step (28) is arranged in the second sliding groove (27), and a second limiting hook (29) is arranged at a corresponding position on the unlocking block (11), the second limiting hook (29) is located in the second sliding groove (27), and a hook portion of the second limiting hook (29) is located on one side of the second limiting step (28).

10. A helmet, characterized in that: It comprises a helmet lens base as claimed in any one of claims 1 to 9, a helmet body (1), and a lens (5), wherein two ends of the lens (5) are connected to the helmet body (1) via the helmet lens base.

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