Quick assembling and disassembling structure of helmet lens

Abstract

The utility model relates to the technical field of helmets, in particular to a quick mounting and dismounting structure of a helmet lens, which comprises a quick mounting component and a fixed clamping piece, the quick mounting component comprises a connecting seat and a handle, the handle is provided with a clamping cavity and an unlocking cavity, and when the handle linearly moves to a clamping state or an unlocking state, the clamping cavity and the unlocking cavity are locked. The clamping cavity and the unlocking cavity correspond to the through holes respectively, a first clamping block and a second clamping block are elastically arranged on the clamping cavity, limiting grooves are formed in the first clamping block and the second clamping block, the fixing clamping piece is provided with a clamping head, the clamping head is connected with the clamping cavity in a matched mode through the through holes, and the clamping head is provided with a clamping groove. During locking, the first clamping block and the second clamping block are elastically connected with the clamping head in a clamped mode, the clamping head is rotationally connected with the limiting groove, the handle is driven to move linearly so that the handle and the clamping head can be unlocked, and the connecting stability is guaranteed while the quick assembling and disassembling structure is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of helmets, in particular to a quick assembly and disassembly structure of helmet lenses. Background Art

[0002] Helmets are head protection devices and are widely used in various fields, including transportation. For example, motorcycle riders need to wear helmets. Helmets have a large lens on the front, and existing large lenses require external tools to be removed and installed, making them difficult to quickly remove and install.

[0003] In order to achieve the function of quick disassembly and assembly, a helmet with a magnetic sun visor is disclosed in Chinese patent publication No. CN211558951U, which includes a helmet and an inner liner, wherein the sun visor is rotatably connected to the helmet, a first groove is provided on the helmet, a first arc-shaped magnet is fixedly installed at the bottom end of the first groove by a bolt, a second arc-shaped magnet is fixedly installed at the end of the sun visor by a bolt, a second groove is provided on the helmet, a spring is welded between the second groove and the inner liner, a fixing column is welded to the side wall of the second groove, a guide sleeve is provided on the fixing column, a guide column is welded to the outer surface of the inner liner, and the guide column and the guide sleeve are slidably connected together; the first arc-shaped magnet and the second arc-shaped magnet are attracted to each other, so that the sun visor and the helmet are tightly fitted together;

[0004] Another example is a helmet with a magnetic eyeglass rotation structure disclosed in Chinese patent publication number CN214382216U, which includes a windshield lens and a cap body, wherein the windshield lens is rotatably connected to the cap body, and shifting members are fixedly connected to both sides of the cap body, and a plurality of shifting teeth arranged along the circumferential direction are provided on the inner side of the windshield lens at positions corresponding to the shifting members, and the shifting members are provided with shifting notches that mesh with the shifting teeth, and a first magnetic member is fixedly connected to the core of the shifting member, and the windshield lens is fixedly connected to the core of the gear ring formed by the shifting teeth to a second magnetic member, and the windshield lens is adsorbed on the cap body via the first and second magnetic members; a plurality of gears and appropriate resistance to adjusting the gear are achieved, which is used to overcome the resistance to adjusting the gear and the force to maintain the current gear during use;

[0005] There is a problem with both of the above structures. They are only connected by the magnetic attraction between the magnets. When driving on a bumpy road, the two magnets may separate due to excessive vibration, resulting in a decrease in the magnetic force between the two, causing the windshield lens to fall off.

[0006] Therefore, how to achieve fast assembly and disassembly of the structure while ensuring connection stability is a major technical problem currently faced by technical personnel. Utility Model Content

[0007] The purpose of the present utility model is to provide a quick assembly and disassembly structure for helmet lenses, which solves the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a quick assembly and disassembly structure for helmet lenses, comprising:

[0009] A quick-release assembly, the quick-release assembly comprising a connecting seat and a handle, the connecting seat being provided with a through hole, and a sliding cavity being provided on the back, the handle being adapted to the sliding cavity so as to allow the handle to move linearly within the sliding cavity, the handle being provided with a locking cavity and an unlocking cavity, and when the handle moves linearly to a locked or unlocked state, the locking cavity and the unlocking cavity respectively correspond to the through hole, a first locking block and a second locking block being elastically provided on the locking cavity, the first locking block and the second locking block being an arc-shaped structure, and both the first locking block and the second locking block being provided with a limiting groove;

[0010] A fixed card is provided with a card joint, and the card joint is connected to the card cavity through a through hole. When locked, the first card block and the second card block elastically clamp the card joint. When unlocked, the card joint moves linearly between the first card block and the second card block to the unlocking cavity, and the card joint is rotatably connected to the limiting groove.

[0011] Preferably, one end portion of the first engaging block and the second engaging block is connected to the connecting seat, so that the first engaging block and the second engaging block are elastically arranged on the engaging cavity.

[0012] Preferably, the inner sides of the first engaging block and the second engaging block close to the through hole are chamfered.

[0013] Preferably, the fixing fixture includes a front fixture and a rear fixture, the front fixture and the rear fixture are connected by threads and fixed on the lens, and the clamping joint is provided at the front end of the front fixture.

[0014] Preferably, it also includes a first magnet and a second magnet, the first magnet is arranged on the back of the locking cavity, and the second magnet is embedded in the locking joint, so that the first magnet and the second magnet are magnetically connected when the quick-release assembly and the fixed clamp are in the locking state.

[0015] Preferably, a compression spring is further included, and both ends of the compression spring act on the connecting seat and the handle respectively, so that the compression spring drives the handle to automatically return to the engaged state.

[0016] Preferably, a first spring column is provided on the connecting seat, a second spring column is provided on the handle, and both ends of the compression spring are respectively sleeved on the first spring column and the second spring column.

[0017] Preferably, it includes a helmet body and a lens rotatably arranged on the helmet body, grooves are provided on both sides of the helmet body, and the connecting seat is fixed in the groove by bolts so that the handle moves linearly in the groove, and both ends of the lens are provided with fixing clips, which drive the handle to cooperate with the fixing clips to realize the engagement or unlocking of the helmet body and the lens.

[0018] Compared with the existing technology, this technical solution provides a quick assembly and disassembly structure for helmet lenses: by setting a quick assembly and disassembly structure in the quick-assembly component, when the fixed card is inserted into the quick-assembly component, the card connector is connected with the card cavity through the through hole, and the card connector is elastically connected by the first card block and the second card block on the card cavity. When removing, the handle is driven to move linearly to unlock it from the card connector. This structure not only realizes the quick disassembly function, but also has high connection stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0020] Figure 1 It is a schematic diagram of the connection between the quick-install component and the fixed clamp in the utility model.

[0021] Figure 2 yes Figure 1 Schematic diagram of the upward perspective structure.

[0022] Figure 3 yes Figure 2 Schematic cross-sectional view at AA in the middle.

[0023] Figure 4 yes Figure 2 Schematic cross-sectional view at the middle BB.

[0024] Figure 5 yes Figure 1 Explosion diagram.

[0025] Figure 6 yes Figure 1 Schematic diagram of the explosion from another perspective.

[0026] Figure 7 It is a schematic diagram of the three-dimensional viewing angle structure of the utility model in a closed state.

[0027] Figure 8 It is a schematic diagram of the three-dimensional viewing angle structure of the utility model in the open state.

[0028] Figure 9 It is a schematic diagram of the three-dimensional viewing angle structure of the utility model in the installed state.

[0029] Figure 10 It is a schematic diagram of the three-dimensional viewing angle structure of the utility model in the disassembled state.

[0030] As shown in the figure: helmet body 10, groove 101, lens 20, quick-release assembly 30, connecting seat 31, through hole 311, sliding cavity 312, handle 32, engaging cavity 321, first engaging block 3211, second engaging block 3212, limiting groove 3213, unlocking cavity 322, fixing card 40, front fixing member 401, rear fixing member 402, engaging joint 403, first magnet 50, second magnet 60, compression spring 70. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary persons in this field without making creative work are within the scope of protection of the present invention. The preferred embodiments of the present invention will be described in more detail below with reference to the drawings. Although the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described here. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0032] The terms used in this utility model are for the purpose of describing specific embodiments only and are not intended to limit the utility model. As used in this utility model and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0033] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0034] In the description of the present invention, it should be understood that the terms "thickness", "up", "down", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0036] It should be understood that although the terms "first", "second", "third", etc. may be used to describe various components in the present invention, this information should not be limited to these terms. These terms are only used to distinguish components of the same type from each other. For example, without departing from the scope of the present invention, the first component may also be referred to as the second component, and similarly, the second component may also be referred to as the first component. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0037] The technical solutions of the embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0038] refer to Figures 1 to 6 A quick assembly and disassembly structure for a helmet lens includes a quick assembly component 30 and a fixing clamp 40;

[0039] The quick-release assembly 30 includes a connecting seat 31 and a handle 32. The connecting seat 31 is provided with a through hole 311, and a sliding cavity 312 is provided on the back. The handle 32 is adapted to the sliding cavity 312 so that the handle 32 can move linearly in the sliding cavity 312. The handle 32 is provided with a locking cavity 321 and an unlocking cavity 322. When the handle 32 moves linearly to the locked or unlocked state, the locking cavity 321 and the unlocking cavity 322 correspond to the through hole 311 respectively. A first locking block 3211 and a second locking block 3212 are elastically provided on the locking cavity 321. The first locking block 3211 and the second locking block 3212 are arc-shaped structures, and the first locking block 3211 and the second locking block 3212 are both provided with a limiting groove 3213.

[0040] The fixed clamping member 40 is provided with a clamping joint 403, which is connected to the clamping cavity 321 through the through hole 311. When locked, the first clamping block 3211 and the second clamping block 3212 elastically clamp the clamping joint 403. When unlocked, the clamping joint 403 moves linearly between the first clamping block 3211 and the second clamping block 3212 to the unlocking cavity 322, and the clamping joint 403 is rotatably connected to the limiting groove 3213.

[0041] When the fixing card 40 is inserted into the quick-release assembly 30, the card connector 403 is connected with the card cavity 321 through the through hole 311, and the card connector 403 is elastically connected by the first card block 3211 and the second card block 3212 on the card cavity 321. When removing, the handle 32 is driven to move linearly to unlock it from the card connector 403. This structure not only realizes the quick disassembly and assembly function, but also has high connection stability.

[0042] Specifically, one end of the first engaging block 3211 and the second engaging block 3212 are connected to the connecting seat 31 , so that the first engaging block 3211 and the second engaging block 3212 are elastically disposed on the engaging cavity 321 .

[0043] Specifically, the inner sides of the first engaging block 3211 and the second engaging block 3212 close to the through hole 311 are chamfered.

[0044] Specifically, the fixing fixture 40 includes a front fixture 401 and a rear fixture 402 . The front fixture 401 and the rear fixture 402 are connected by threads and fixed on the lens 20 . The clamping joint 403 is provided at the front end of the front fixture 401 .

[0045] In addition, a first magnet 50 and a second magnet 60 are also included. The first magnet 50 is arranged on the back of the locking cavity 321, and the second magnet 60 is embedded in the locking joint 403, so that the first magnet 50 and the second magnet 60 are magnetically connected when the quick-release assembly 30 and the fixed clamp 40 are in the locked state.

[0046] In addition, a compression spring 70 is also included, and the two ends of the compression spring 70 respectively act on the connecting seat 31 and the handle 32, so that the compression spring 70 drives the handle 32 to automatically return to the engaged state; to be precise, a first spring column is provided on the connecting seat 31, and a second spring column is provided on the handle 32, and the two ends of the compression spring 70 are respectively sleeved on the first spring column and the second spring column.

[0047] In this embodiment, refer to Figure 7-10 , further comprising a helmet body 10 and a lens 20 rotatably arranged on the helmet body 10, wherein grooves 101 are provided on both sides of the helmet body 10, and the connecting seat 31 is fixed in the groove 101 by bolts so that the handle 32 can move linearly in the groove 101, and both ends of the lens 20 are provided with fixing clamps 40, and the driving handle 32 is matched with the fixing clamps 40 to realize the engagement or unlocking of the helmet body 10 and the lens 20; a quick assembly and disassembly structure is used to connect the helmet body 10 and the lens 20;

[0048] When installing the lens 20, the second assembly and disassembly components 40 at both ends of the lens 20 are aligned with the quick-install components 30 on both sides of the helmet body 10, so that the clamping joint 403 of the front fixing member 401 is inserted into the clamping cavity 321 through the through hole 311. The second magnet 60 in the clamping joint 403 and the first magnet 50 at the back of the clamping cavity 321 are attracted to each other. Under the action of the adsorption force, the clamping joint 403 breaks the elastic force between the first clamping block 3211 and the second clamping block 3212 and is clamped in the limiting groove 3213 of the first clamping block 3211 and the second clamping block 3212. The clamping joint cannot be separated from the limiting groove 3213, thereby ensuring the stability of the connection.

[0049] When removing the lens 20, an external force drives the handle 32 to move linearly on the connecting seat 31, so that the locking joint 403 leaves the locking cavity 321 and enters the unlocking cavity 322, that is, the first locking block 3211 and the second locking block 3212 leave the locking joint 403, and the locking joint 403 is no longer restricted by the first locking block 3211 and the second locking block 3212, and the second magnet 60 is no longer subject to the adsorption force of the first magnet 50, so that the end of the lens 20 can be easily removed.

[0050] The scheme of the present invention has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have their own emphases. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the description are not necessarily required for the present invention. In addition, it can be understood that the steps in the method of the embodiment of the present invention can be adjusted in sequence, merged and deleted according to actual needs, and the structures in the device of the embodiment of the present invention can be merged, divided and deleted according to actual needs.

[0051] While various embodiments of the present invention have been described above, the above descriptions are illustrative and non-exhaustive, and are not intended to be limiting of the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to existing technologies, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A quick assembly and disassembly structure for helmet lenses, characterized in that: include: A quick-release assembly (30), the quick-release assembly (30) comprising a connecting seat (31) and a handle (32), the connecting seat (31) being provided with a through hole (311), and a sliding cavity (312) being provided on the back thereof, the handle (32) being adapted to the sliding cavity (312) so as to enable the handle (32) to move linearly in the sliding cavity (312), the handle (32) being provided with a locking cavity (321) and an unlocking cavity (322), the handle (32) When linearly moving to an engaged or unlocked state, the engaging cavity (321) and the unlocking cavity (322) correspond to the through hole (311) respectively, and the first engaging block (3211) and the second engaging block (3212) are elastically arranged on the engaging cavity (321). The first engaging block (3211) and the second engaging block (3212) are arc-shaped structures, and the first engaging block (3211) and the second engaging block (3212) are both provided with a limiting groove (3213); A fixed clamp (40), wherein the fixed clamp (40) is provided with a clamping joint (403), wherein the clamping joint (403) is connected with the clamping cavity (321) through the through hole (311); when locked, the first clamping block (3211) and the second clamping block (3212) elastically clamp the clamping joint (403); when unlocked, the clamping joint (403) moves linearly between the first clamping block (3211) and the second clamping block (3212) to the unlocking cavity (322), and the clamping joint (403) is rotatably connected with the limiting groove (3213).

2. The quick assembly and disassembly structure of a helmet lens according to claim 1, characterized in that: One end of the first engaging block (3211) and the second engaging block (3212) is connected to the connecting seat (31), so that the first engaging block (3211) and the second engaging block (3212) are elastically arranged on the engaging cavity (321).

3. The quick assembly and disassembly structure of a helmet lens according to claim 2, characterized in that: The inner sides of the first engaging block (3211) and the second engaging block (3212) close to the through hole (311) are chamfered.

4. The quick assembly and disassembly structure of a helmet lens according to claim 1, characterized in that: The fixing clamp (40) comprises a front fixing member (401) and a rear fixing member (402). The front fixing member (401) and the rear fixing member (402) are connected via threads and are fixed on the lens (20). The clamping joint (403) is arranged at the front end of the front fixing member (401).

5. The quick assembly and disassembly structure of a helmet lens according to claim 1, characterized in that: The invention also includes a first magnet (50) and a second magnet (60), wherein the first magnet (50) is arranged at the back of the engaging cavity (321), and the second magnet (60) is embedded in the engaging joint (403), so that the first magnet (50) and the second magnet (60) are magnetically connected when the quick-install assembly (30) and the fixed engaging member (40) are in the engaging state.

6. The quick assembly and disassembly structure of a helmet lens according to claim 1, characterized in that: It also includes a compression spring (70), the two ends of which act on the connecting seat (31) and the handle (32) respectively, so that the compression spring (70) drives the handle (32) to automatically return to the engaged state.

7. The quick assembly and disassembly structure of a helmet lens according to claim 6, characterized in that: A first spring column is provided on the connecting seat (31), a second spring column is provided on the handle (32), and two ends of the compression spring (70) are respectively sleeved on the first spring column and the second spring column.

8. The quick assembly and disassembly structure of a helmet lens according to claim 1, characterized in that: The invention comprises a helmet body (10) and a lens (20) rotatably arranged on the helmet body (10), grooves (101) are provided on both sides of the helmet body (10), and the connecting seat (31) is fixed in the groove (101) by bolts so that the handle (32) can move linearly in the groove (101), and both ends of the lens (20) are provided with fixing clamps (40), and the driving handle (32) is connected with the fixing clamps (40) to realize the engagement or unlocking of the helmet body (10) and the lens (20).

Images