Lock lug mechanism for motorcycle helmet

Abstract

The utility model discloses a locking lug mechanism for a motorcycle helmet, which belongs to the technical field of helmets and comprises a locking seat, an assembling sleeve is fixed on the upper end face of the locking seat, a conveniently-disassembled pressing mechanism is arranged above the assembling sleeve, and the conveniently-disassembled pressing mechanism comprises a positioning sleeve shell, an operation knob, a non-slip pressing rubber block and a lifting tray. The positioning sleeve shell is embedded in the assembling sleeve, the operation knob is fixed to the upper end face of the positioning sleeve shell, the positioning sleeve shell is sleeved with the anti-slip pressing rubber block, the lifting tray is arranged in the assembling sleeve, and a brake adjusting mechanism is arranged in the assembling sleeve; by means of the pressing mechanism convenient to disassemble, the fixing supporting arm is adjusted to be located at the transverse groove position of the locking receding opening, meanwhile, the positioning sliding buckle rotates and then enters the deep position of the anti-disengaging sliding groove which is staggered with the buckle inlet groove opening, and therefore the positioning sleeve shell and the lifting tray can be flexibly combined, and operation convenience is provided for follow-up quick disassembly of the mask.

Description

Technical Field

[0001] The utility model belongs to the technical field of helmets, and particularly relates to a lock ear mechanism for a motorcycle helmet. Background Technique

[0002] Motorcycle riders must wear helmets to protect their heads. Existing motorcycle helmets generally include a helmet body worn on the head and a transparent face shield. The face shield is rotatably mounted on the helmet body through hinge mechanisms on both sides. When the face shield is not needed, it can be pushed upward away from the face, and when the face shield is needed, it can be pushed downward to cover the face.

[0003] Currently, the ear part of the face shield is installed on the helmet body through screws. In this way, tools are needed to disassemble and assemble the face shield later. And using screws to fix the lock ear part of the helmet makes the adaptability of the tightness degree to the smooth adjustment of the face shield height poor. For example, on the one hand, if the ear part of the face shield and the lock ear mechanism are too tight, it will affect the smooth adjustment. On the other hand, if the ear part of the face shield and the lock ear mechanism are too loose, it will affect the maintenance of the face shield height state. Content of the Utility Model

[0004] The purpose of the utility model is to provide a lock ear mechanism for a motorcycle helmet to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A lock ear mechanism for a motorcycle helmet, including a locking seat. An assembly sleeve is fixed on the upper end surface of the locking seat. A convenient disassembly and pressing mechanism is arranged above the assembly sleeve. The convenient disassembly and pressing mechanism includes a positioning sleeve, an operation knob, an anti-slip pressing rubber block and a lifting tray. The positioning sleeve is embedded inside the assembly sleeve. The operation knob is fixed on the upper end surface of the positioning sleeve. The anti-slip pressing rubber block is sleeved outside the positioning sleeve. The lifting tray is arranged inside the assembly sleeve. A braking adjustment mechanism is arranged inside the assembly sleeve. The braking adjustment mechanism includes a guiding sliding column, a return spring and a fixed top plate. The guiding sliding column is fixed at the center of the upper end surface of the locking seat. The fixed top plate is fixed at the upper end of the guiding sliding column. The return spring is arranged between the lifting tray and the fixed top plate.

[0006] It should be noted in the solution that a positioning sliding buckle is fixed at the lower edge of the side surface of the positioning sleeve. An anti-disengagement chute is arranged in the inner area of the lifting tray. A buckle inlet groove is opened on the upper end surface of the lifting tray. The buckle inlet groove is communicated with the anti-disengagement chute.

[0007] Furthermore, it is worth noting that the positioning sliding buckle is rotatably connected in the anti-disengagement chute of the lifting tray. The positioning sliding buckle is adapted to the buckle inlet groove of the lifting tray.

[0008] It should be further explained that the upper end of the return spring is fixed to the lower end surface of the fixed top plate, and the lower end of the return spring is fixed to the inner bottom wall of the lifting tray.

[0009] As a preferred embodiment, a guide sliding hole is opened at the center of the inner bottom wall of the lifting tray, and the guide sliding hole is slidably adapted to the guide sliding column.

[0010] As a preferred embodiment, a locking and clearance opening connecting a horizontal groove and a vertical groove is opened on the surface of the positioning sleeve, a fixed support arm is fixed between the bottom of the fixed top plate and the inner wall of the assembly sleeve, and the locking and clearance opening of the positioning sleeve is adapted to the fixed support arm.

[0011] As a preferred implementation, an annular socket is provided between the positioning sleeve and the anti-slip pressing rubber block, and the annular socket is snap-fitted with the assembly sleeve.

[0012] As a preferred implementation, a mask clamping opening is provided between the anti-slip pressing rubber block and the locking seat, and an anti-slip hand-turning groove is provided on the side of the operating knob.

[0013] Compared with the prior art, the ear lock mechanism for a motorcycle helmet provided by the utility model has at least the following beneficial effects:

[0014] ⑴ Through the easy-to-disassemble clamping mechanism, adjust the fixed support arm to be in the horizontal groove position of the locking and giving way opening. At the same time, the positioning slide buckle rotates and enters the deep anti-slip slide groove that is misaligned with the entry buckle groove. This can flexibly combine the positioning sleeve and the lifting tray and provide operational convenience for the subsequent quick disassembly of the mask.

[0015] ⑵ Through the set brake adjustment mechanism, during the use of the mask, the anti-slip pressing rubber block and the locking seat exert pressure on the ears of the installed mask to ensure the firmness of the mask state. The positioning sleeve is used to pull the lifting tray along the guide slide column and compress the return spring to cancel the clamping force of the mask clamping port, which can provide the operational premise for adjusting the height of the mask. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a three-dimensional diagram of the overall structure of a lock ear mechanism for a motorcycle helmet according to the utility model;

[0018] Figure 2Stereoscopic sectional view of the assembly sleeve of a lock ear mechanism for a motorcycle helmet according to the present utility model;

[0019] Figure 3 Stereoscopic view of the positioning sleeve structure of a lock ear mechanism for a motorcycle helmet according to the present utility model;

[0020] Figure 4 Stereoscopic sectional view of the lifting tray of a lock ear mechanism for a motorcycle helmet according to the present utility model.

[0021] In the figure: 1, locking seat; 2, assembly sleeve; 3, positioning sleeve; 4, operating knob; 5, anti-slip pressing rubber block; 6, annular jack; 7, locking relief opening; 8, positioning sliding buckle; 9, lifting tray; 10, anti-detachment chute; 11, inlet slot; 12, guiding slide post; 13, return spring; 14, fixed top plate; 15, fixed support arm; 16, guiding slide hole; 17, mask clamping opening. Specific embodiments

[0022] The following further describes the present utility model in conjunction with embodiments.

[0023] Please refer to Figures 1-4 , the present utility model provides a lock ear mechanism for a motorcycle helmet, including a locking seat 1. An assembly sleeve 2 is fixed on the upper end surface of the locking seat 1. A detachable pressing mechanism is arranged above the assembly sleeve 2. The detachable pressing mechanism includes a positioning sleeve 3, an operating knob 4, an anti-slip pressing rubber block 5 and a lifting tray 9. The positioning sleeve 3 is embedded inside the assembly sleeve 2. The operating knob 4 is fixed on the upper end surface of the positioning sleeve 3. The anti-slip pressing rubber block 5 is sleeved outside the positioning sleeve 3. The lifting tray 9 is arranged inside the assembly sleeve 2. A braking adjustment mechanism is arranged inside the assembly sleeve 2. The braking adjustment mechanism includes a guiding slide post 12, a return spring 13 and a fixed top plate 14. The guiding slide post 12 is fixed at the center of the upper end surface of the locking seat 1. The fixed top plate 14 is fixed on the upper end of the guiding slide post 12. The return spring 13 is arranged between the lifting tray 9 and the fixed top plate 14.

[0024] Furthermore, as shown in Figure 1 , Figure 2 and Figure 3 , it is specifically noted that a positioning sliding buckle 8 is fixed at the lower edge of the side surface of the positioning sleeve 3. An anti-detachment chute 10 is arranged in the inner area of the lifting tray 9. An inlet slot 11 is opened on the upper end surface of the lifting tray 9. The inlet slot 11 is communicated with the anti-detachment chute 10. The operating knob 4 is rotated 90 degrees. In this way, the fixed support arm 15 is located at the horizontal groove part of the locking relief opening 7. At the same time, after the positioning sliding buckle 8 rotates, it enters the deep part of the anti-detachment chute 10 that is misaligned with the inlet slot 11. This can flexibly combine the positioning sleeve 3 and the lifting tray 9 and provide operational convenience for subsequent quick removal of the mask.

[0025] Further as Figure 3 As shown, it is worth explaining in detail that the positioning slide buckle 8 is rotatably connected in the anti-slip slide groove 10 of the lifting tray 9, and the positioning slide buckle 8 is adapted to the buckle entry notch 11 of the lifting tray 9.

[0026] Further as Figure 1 , Figure 2 and Figure 4 As shown, it is worth explaining in detail that the upper end of the return spring 13 is fixed to the lower end surface of the fixed top plate 14 , and the lower end of the return spring 13 is fixed to the inner bottom wall of the lifting tray 9 .

[0027] Further as Figure 4 As shown, it is worth to explain in detail that a guide sliding hole 16 is opened at the center of the inner bottom wall of the lifting tray 9, and the guide sliding hole 16 is slidably adapted to the guide sliding column 12.

[0028] Further as Figure 1 As shown, it is worth explaining in detail that a locking and giving way opening 7 connected by a horizontal groove and a vertical groove is opened on the surface of the positioning sleeve 3, a fixed support arm 15 is fixed between the bottom of the fixed top plate 14 and the inner wall of the assembly sleeve 2, and the locking and giving way opening 7 of the positioning sleeve 3 is adapted to the fixed support arm 15.

[0029] Further as Figure 1 As shown, it is worth explaining in detail that an annular plug hole 6 is provided between the positioning sleeve 3 and the anti-slip pressing rubber block 5 , and the annular plug hole 6 is snap-fitted with the assembling sleeve 2 .

[0030] Further as Figure 1 As shown, it is worth explaining in detail that a mask clamping opening 17 is provided between the anti-slip pressing rubber block 5 and the locking seat 1, an anti-slip hand-turning groove is provided on the side of the operating knob 4, and the positioning sleeve 3, the lifting tray 9 and the reset spring 13 cooperate to provide a clamping force to the mask clamping opening 17 between the anti-slip pressing rubber block 5 and the locking seat 1.

[0031] The scheme has the following working process: before use, the locking seat 1 is pre-fixed on the helmet, and then the ear part of the mask is put on the assembly sleeve 2, and then the operating knob 4 is held to align the positioning sleeve 3 with the lifting tray 9 for positioning and insertion, at this time, the fixed support arm 15 is in the locking and yielding opening 7 of the positioning sleeve 3, and the positioning slide buckle 8 enters the anti-slip slide groove 10 along the buckle entry groove 11 of the lifting tray 9, and then the operating knob 4 is controlled to rotate ninety degrees, so that the fixed support arm 15 is in the horizontal groove part of the locking and yielding opening 7, and the positioning slide buckle 8 rotates and enters the deep anti-slip slide groove 10 which is misaligned with the buckle entry groove 11, so that the positioning sleeve 3 and the lifting tray 9 can be flexibly combined and provide convenience for the subsequent quick removal of the mask;

[0032] During the use of the mask, the positioning sleeve 3, the lifting tray 9 and the return spring 13 cooperate to provide a clamping force to the mask clamping opening 17 between the anti-slip pressing rubber block 5 and the locking seat 1, so that the anti-slip pressing rubber block 5 and the locking seat 1 apply pressure to the ears of the installed mask to ensure that the mask remains firmly in place. The positioning sleeve 3 is used to pull the lifting tray 9 along the guide slide column 12 and compress the return spring 13 to cancel the clamping force of the mask clamping opening 17, which can provide the operational prerequisite for adjusting the height of the mask.

[0033] In summary: adjust the fixed support arm 15 to be in the transverse groove position of the locking and giving way opening 7, and at the same time, the positioning slide buckle 8 rotates and enters the deep anti-slip slide groove 10 which is misaligned with the buckle slot 11, so that the positioning sleeve 3 and the lifting tray 9 can be flexibly combined and provide operational convenience for the subsequent quick disassembly of the mask; during the use of the mask, the anti-slip clamping rubber block 5 and the locking seat 1 apply pressure to the ears of the installed mask to ensure the firmness of the mask state, and the positioning sleeve 3 is used to pull the lifting tray 9 along the guide slide column 12 to shift and compress the reset spring 13 to cancel the clamping force of the mask clamping opening 17, which can provide the operational premise for adjusting the height of the mask.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A locking ear mechanism for a motorcycle helmet, comprising a locking seat (1), characterized in that: An assembly sleeve (2) is fixed to the upper end surface of the locking seat (1); a convenient disassembly and clamping mechanism is arranged above the assembly sleeve (2); the convenient disassembly and clamping mechanism comprises a positioning sleeve (3), an operating knob (4), a non-slip clamping rubber block (5) and a lifting tray (9); the positioning sleeve (3) is embedded in the interior of the assembly sleeve (2); the operating knob (4) is fixed to the upper end surface of the positioning sleeve (3); the non-slip clamping rubber block (5) is sleeved on the exterior of the positioning sleeve (3); The lifting tray (9) is arranged inside the assembly sleeve (2), and a brake adjustment mechanism is arranged inside the assembly sleeve (2), and the brake adjustment mechanism includes a guide slide column (12), a return spring (13) and a fixed top plate (14), the guide slide column (12) is fixed at the center of the upper end surface of the locking seat (1), the fixed top plate (14) is fixed to the upper end of the guide slide column (12), and the return spring (13) is arranged between the lifting tray (9) and the fixed top plate (14).

2. The ear lock mechanism for a motorcycle helmet according to claim 1, characterized in that: A positioning slide buckle (8) is fixed at the lower edge of the side of the positioning sleeve (3); an anti-slip slide groove (10) is arranged in the inner area of ​​the lifting tray (9); a buckle entry notch (11) is opened on the upper end surface of the lifting tray (9); and the buckle entry notch (11) is connected to the anti-slip slide groove (10).

3. The ear lock mechanism for a motorcycle helmet according to claim 2, characterized in that: The positioning slide buckle (8) is rotatably connected in the anti-slip slide groove (10) of the lifting tray (9), and the positioning slide buckle (8) is adapted to the buckle entry notch (11) of the lifting tray (9).

4. The ear lock mechanism for a motorcycle helmet according to claim 3, characterized in that: The upper end of the return spring (13) is fixed to the lower end surface of the fixed top plate (14), and the lower end of the return spring (13) is fixed to the inner bottom wall of the lifting tray (9).

5. The ear lock mechanism for a motorcycle helmet according to claim 4, characterized in that: A guide sliding hole (16) is provided at the center of the inner bottom wall of the lifting tray (9), and the guide sliding hole (16) is slidably matched with the guide sliding column (12).

6. The ear lock mechanism for a motorcycle helmet according to claim 5, characterized in that: The surface of the positioning sleeve (3) is provided with a locking opening (7) which is connected to a horizontal groove and a vertical groove, a fixed support arm (15) is fixed between the bottom of the fixed top plate (14) and the inner wall of the assembly sleeve (2), and the locking opening (7) of the positioning sleeve (3) is matched with the fixed support arm (15).

7. The ear lock mechanism for a motorcycle helmet according to claim 6, characterized in that: An annular plug hole (6) is provided between the positioning sleeve (3) and the anti-slip pressing rubber block (5), and the annular plug hole (6) is snap-fitted with the assembly sleeve (2).

8. The ear lock mechanism for a motorcycle helmet according to claim 7, characterized in that: A mask clamping opening (17) is provided between the anti-slip pressing rubber block (5) and the locking seat (1), and an anti-slip hand-rotating groove is provided on the side of the operating knob (4).

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