Lens adjusting structure of helmet

Abstract

The utility model belongs to the technical field of helmets, and particularly relates to a helmet lens adjusting structure which comprises a helmet body, a lens is rotatably arranged on the helmet body, a positioning rod is arranged on the lens, and a plurality of positioning grooves matched with the positioning rod are formed in the helmet body. The positioning rod is matched with different positioning grooves to fix the lens at different positions of the helmet main body, the positioning rod can be switched among the different positioning grooves under the action of external force, the helmet main body is provided with a connecting seat and a first elastic piece, the connecting seat is movably arranged on the helmet main body, and the lens is rotationally connected with the connecting seat; the first elastic piece can drive the connecting base to reset and enable the positioning rod to be matched with the positioning groove. And the positioning rod can be separated from the positioning groove by controlling the relative movement of the connecting seat and the helmet main body. The utility model aims to provide the lens adjusting structure of the helmet, which is convenient to adjust and control and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to helmet technical field, and particularly relates to a lens adjusting structure of helmet. BACKGROUND

[0002] The helmet is a kind of protection head's harness, and it can reduce the harm of head when accidental accident occurs by being covered on the head of user, in order to reduce the influence of wind and dust to user, many helmets are provided with face mirror in front.

[0003] The face mirror on the helmet in market has multiple fixed positions with the helmet main body, and user can flexibly control the face mirror to be in different fixed positions when using, such as the helmet goggle structure with ventilation hole function disclosed in Chinese utility model patent CN 202223603339.X, which comprises: helmet body, the helmet body is provided with visual window and ventilation hole, the ventilation hole is located above the visual window;Goggles, including support and lens, the support is provided with perforation, both ends of the lens are rotatably connected to the support;Insert buckle, is arranged on the inner side of the helmet body, the insert buckle includes the insert piece and the embedded part that are connected, the embedded part is provided with embedded groove;Buckle, is arranged between the helmet body and the support, the buckle includes the card and the carding part that are connected, the carding part is provided with carding groove;Cover buckle, is arranged on the outer side of the support, the cover buckle includes the cover piece and the connecting column that are connected;Wherein, the connecting column is arranged in the perforation, and is fixed in the carding groove, so that the cover piece and the card are clamped and fixed on the support, the carding part is arranged in the ventilation hole, and is connected in the embedded groove, so that the card and the insert piece are clamped and fixed on the helmet body;The both ends of the support are further provided with a positioning column;Both ends of the lens are further provided with adjusting groove, the adjusting groove is arc-shaped, and is arranged around the rotation center of the lens;The lens is further provided with a plurality of positioning parts in the adjusting groove;Two positioning columns are arranged in two adjusting grooves respectively, when the lens rotates, the positioning column is connected between two positioning parts.

[0004] In the above structure, the positioning column needs to pass the positioning part under the action of external force when adjusting the lens, and the positioning column or the positioning part needs to be deformed in the process, and the positioning column and the positioning part are easy to be damaged after long-term use, thereby affecting the service life of the helmet. SUMMARY

[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a lens adjusting structure of helmet which is convenient to adjust and control and has long service life.

[0006] The utility model discloses a kind of lens adjusting structures of helmet, which is characterized by comprising: helmet body, the lens adjusting structure of helmet is arranged on the helmet body;Lens, the lens is rotatably connected to the helmet body;And adjusting mechanism, the adjusting mechanism is arranged on the helmet body, and is connected with the lens.

[0007] The application discloses a lens adjusting structure of a helmet, which comprises a helmet body, a lens rotatably arranged on the helmet body, a positioning rod arranged on the lens, a plurality of positioning grooves matched with the positioning rod arranged on the helmet body, and an external force.

[0008] The helmet body comprises a fixedly connected shell and a mounting seat, the positioning groove is integrally arranged on the mounting seat, and the connecting seat is slidably arranged on the mounting seat.

[0009] The helmet body is provided with a connecting clamping hook, the connecting seat is provided with a guide clamping groove matched with the connecting clamping hook, the connecting clamping hook and the guide clamping groove are matched to slidably connect the helmet body and the connecting seat, and the helmet body and the connecting seat are prevented from being separated.

[0010] The helmet body is provided with a guide groove, the connecting seat is provided with a guide part matched with the guide groove, and the guide part and the guide groove are matched to guide the sliding of the connecting seat.

[0011] The guide clamping groove is provided with a first guide surface, the connecting clamping hook is provided with a second guide surface, the second guide surface is abutted on the first guide surface to drive the connecting clamping hook to deform, so that the connecting clamping hook and the guide clamping groove are matched,

[0012] The connecting seat is provided with a first hinged part, the lens is provided with a second hinged part rotatably connected with the first hinged part, the connecting seat is provided with a locking piece, the lens is provided with a locking groove matched with the locking piece, the locking piece and the locking groove are matched to limit the axial movement of the first hinged part and the second hinged part, so that the first hinged part and the second hinged part are matched, the locking piece is provided with a control part, the locking piece and the locking groove are controlled to be separated through the control part.

[0013] The locking piece is slidably arranged on the connecting seat, the connecting seat is provided with a second elastic piece for driving the locking piece to be matched with the lens, the lens and / or the locking piece is provided with a driving surface, the lens can drive the locking piece to displace through the driving surface, so that the locking piece and the locking groove are matched.

[0014] The utility model further sets up: be provided with the sliding slot on the connecting seat, locking piece slidingly arranged in the sliding slot, and be provided with the limiting wall on the connecting seat, second elastic piece drives locking piece and abuts on the limiting wall, thereby avoiding second elastic piece drive locking piece and abut in the bottom of locking groove.

[0015] The utility model further sets up: be provided with the first magnetic attraction piece on the helmet main part, be provided with the second magnetic attraction piece on the lens, first magnetic attraction piece and second magnetic attraction piece mutually adsorb and make the lens and connecting seat keep cooperation.

[0016] The utility model further sets up: second magnetic attraction piece sets up in the second hinged part, locking groove sets up on the second hinged part side wall, and locking groove is arc-shaped, control lens and helmet main part relative rotation, locking piece moves along the length direction of locking groove.

[0017] The utility model has the advantages compared with prior art:

[0018] 1, the utility model discloses a connecting seat movably arranged on the helmet main part, and the lens is rotatably connected with the connecting seat, and the user can control the relative movement of the connecting seat and the helmet main part during the lens adjustment to make the positioning rod and the positioning groove disengage, reduce the friction between the positioning rod and the positioning groove during use, facilitate the user to control the relative rotation of the lens and the helmet main part, thereby adjusting the relative position of the lens and the helmet main part, and the structure can reduce the wear of the positioning rod and the positioning groove during use, which is beneficial to prolong the service life of the helmet.

[0019] 2, the utility model discloses a shell and mounting seat fixed installation, and the positioning groove is integrally arranged on the mounting seat, and the producer can install the mounting seat on different shells, which is convenient for the assembly production of the helmet main part, is favorable for reducing the mold cost of the helmet, and further reduces the production cost of the helmet, the setting of the connecting clamping hook and the guide slot not only facilitates the assembly production of the connecting seat and the helmet main part, but also facilitates the relative sliding of the connecting seat and the helmet main part, and the structure is simple, convenient for assembly production.

[0020] 3, the utility model discloses that the setting of the guide groove and the guide part is favorable for the stable sliding of the connecting seat and the helmet main part, avoids the damage of the connecting clamping hook during use, and is favorable for prolonging the service life of the helmet, the setting of the first guide surface and the second guide surface facilitates the quick connection of the connecting clamping hook and the guide slot, and is convenient for the assembly production of the helmet.

[0021] 4、The setting of the locking piece and the locking groove in the utility model can avoid the first hinge part and the second hinge part from being separated, is conducive to the stable rotation of the lens and the connecting seat, and facilitates the disassembly and installation of the lens, and facilitates the production and maintenance of the helmet; the setting of the second elastic piece facilitates the cooperation between the locking piece and the locking groove during use, avoids the accidental separation of the lens and the connecting seat, and the setting of the driving surface facilitates the quick connection and cooperation between the locking piece and the locking groove, and facilitates the assembly of the lens and the connecting seat; the setting of the limiting wall can avoid the locking piece from abutting against the bottom of the locking groove, is conducive to reducing the friction suffered by the lens during adjustment, and facilitates the user to adjust the relative position of the lens and the helmet main body.

[0022] 5、The setting of the first magnetic attraction piece and the second magnetic attraction piece in the utility model facilitates the quick connection and cooperation of the first hinge part and the second hinge part, and facilitates the quick assembly of the lens and the connecting seat; since the second magnetic attraction piece is arranged in the second hinge part, the first hinge part and the second hinge part are closely connected, the accidental separation of the first hinge part and the second hinge part is avoided, and the setting of the arc-shaped locking groove avoids the influence of the locking piece on the relative rotation of the lens and the helmet main body, and facilitates the adjustment and control of the lens. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the utility model;

[0024] Figure 2 is a saw blade sectional view of the utility model;

[0025] Figure 3 is an explosion schematic view of the utility model;

[0026] Figure 4 is a connection structure schematic view of the mounting seat, the connecting seat and the locking piece in the utility model under normal state;

[0027] Figure 5 is a connection structure schematic view of the mounting seat, the connecting seat and the locking piece in the utility model during lens adjustment;

[0028] Figure 6 is a structural schematic view of the mounting seat in the utility model;

[0029] Figure 7 is a structural schematic view of the lens in the utility model;

[0030] Figure 8 is a structural schematic view of the connecting seat in the utility model;

[0031] Figure 9 is a structural schematic view of the locking piece in the utility model.

[0032] Meaning of the reference numerals in the drawing: 1-helmet main body; 11-shell; 12-mounting seat; 13-first magnetic attraction piece;

[0033] 121-positioning groove; 122-guide groove; 123-connection clasp; 124-mounting groove; 125-second guide surface; 2-lens; 21-positioning rod; 22-second hinge part; 23-locking groove; 24-driving surface; 25-fixing groove; 26-second magnetic attraction part; 3-connection seat; 31-first hinge part; 32-guide clasp; 33-guide part; 34-sliding groove; 35-limiting wall; 36-first guide surface; 4-locking part; 41-clamping part; 42-control part; 411-abutting wall; 5-first elastic part; 51-second elastic part. DETAILED DESCRIPTION

[0034] The utility model is further described below with specific embodiments in combination with the drawings:

[0035] Referring to Figures 1 to 9 As shown in the figure, a lens 2 adjusting structure of a helmet, comprising a helmet main body 1, the lens 2 is rotationally arranged on the helmet main body 1, the lens 2 is provided with a positioning rod 21, the helmet main body 1 is provided with a plurality of positioning grooves 121 matched with the positioning rod 21, the positioning rod 21 cooperates with different positioning grooves 121 to make the lens 2 fixed at different positions of the helmet main body 1, under the action of external force, the positioning rod 21 can be switched between different positioning grooves 121, the helmet main body 1 is provided with a connection seat 3 and a first elastic part 5, the connection seat 3 is movably arranged on the helmet main body 1, and the lens 2 is rotationally connected with the connection seat 3, the first elastic part 5 can drive the connection seat 3 to reset, and the positioning rod 21 and the positioning groove 121 are kept in cooperation, the relative movement of the connection seat 3 and the helmet main body 1 can make the positioning rod 21 and the positioning groove 121 disengage, the structure can make the positioning rod 21 and the positioning groove 121 disengage by the relative movement of the connection seat 3 and the helmet main body 1 during the adjustment of the lens 2, reduce the friction between the positioning rod 21 and the positioning groove 121 during use, facilitate the user to control the relative rotation of the lens 2 and the helmet main body 1, thereby adjusting the relative position of the lens 2 and the helmet main body 1, and the structure can reduce the wear of the positioning rod 21 and the positioning groove 121 during use, which is beneficial to prolong the service life of the helmet.

[0036] The helmet main body 1 in the utility model comprises a shell 11 and a mounting seat 12 fixedly connected, the positioning groove 121 is integrally arranged on the mounting seat 12, and the connection seat 3 is slidably arranged on the mounting seat 12, in the structure, the producer can install the mounting seat 12 on different shells 11, which facilitates the assembly and production of the helmet main body 1, is beneficial to reduce the mold cost of the helmet, and further reduces the production cost of the helmet.

[0037] The connecting clasp 123 is arranged on the helmet body 1, the guiding clamping groove 32 is arranged on the connecting seat 3, the connecting clasp 123 and the guiding clamping groove 32 are matched to make the helmet body 1 and the connecting seat 3 be connected in sliding mode, and the connecting clasp 123 and the guiding clamping groove 32 are matched to avoid the helmet body 1 and the connecting seat 3 from being separated, the arrangement of the connecting clasp 123 and the guiding clamping groove 32 not only facilitates the assembly and production of the connecting seat 3 and the helmet body 1, but also facilitates the relative sliding of the connecting seat 3 and the helmet body 1, and the structure is simple and convenient for assembly and production.

[0038] The guiding groove 122 is arranged on the helmet body 1, the guiding part 33 is arranged on the connecting seat 3, the guiding part 33 and the guiding groove 122 are matched to guide the sliding of the connecting seat 3, the arrangement of the guiding groove 122 and the guiding part 33 is beneficial to the stable sliding of the connecting seat 3 and the helmet body 1, avoids the connecting clasp 123 from being damaged due to excessive force in use, and is beneficial to prolonging the service life of the helmet, the mounting groove 124 is arranged on the mounting seat 12 in the embodiment, the connecting seat 3 is movably arranged in the mounting groove 124, and the guiding groove 122 is arranged on one side of the mounting groove 124.

[0039] Preferably, the first guiding surface 36 is arranged on one side of the guiding clamping groove 32, the second guiding surface 125 is arranged on the connecting clasp 123, the second guiding surface 125 is abutted on the first guiding surface 36 to drive the connecting clasp 123 to deform, so that the connecting clasp 123 and the guiding clamping groove 32 are matched, and the arrangement of the first guiding surface 36 and the second guiding surface 125 facilitates the quick connection and matching of the connecting clasp 123 and the guiding clamping groove 32, and facilitates the assembly and production of the helmet.

[0040] The first hinge part 31 is arranged on the connecting seat 3, the second hinge part 22 is arranged on the lens 2 and is rotationally connected with the first hinge part 31, the locking piece 4 is arranged on the connecting seat 3, the locking groove 23 is arranged on the lens 2 and is matched with the locking piece 4, the locking piece 4 and the locking groove 23 are matched to limit the axial movement of the first hinge part 31 and the second hinge part 22, so that the first hinge part 31 and the second hinge part 22 are kept matched, the control part 42 is arranged on the locking piece 4, the locking piece 4 and the locking groove 23 can be controlled to be separated through the control part 42, the arrangement of the locking piece 4 and the locking groove 23 can avoid the first hinge part 31 and the second hinge part 22 from being separated, is beneficial to the stable rotation of the lens 2 and the connecting seat 3, and facilitates the disassembly and installation of the lens 2, and facilitates the production and maintenance of the helmet.

[0041] The locking piece 4 is slidably arranged on the connecting seat 3, the second elastic member 51 for driving the locking piece 4 to cooperate with the lens 2 is arranged on the connecting seat 3, the driving surface 24 is arranged on the lens 2 and / or the locking piece 4, the lens 2 can drive the locking piece 4 to displace through the driving surface 24, so that the locking piece 4 cooperates with the locking groove 23, the second elastic member 51 is arranged to facilitate the locking piece 4 to cooperate with the locking groove 23 during use, and the lens 2 and the connecting seat 3 are prevented from being accidentally separated, and the driving surface 24 is arranged to facilitate the locking piece 4 to be quickly connected and cooperated with the locking groove 23, and the lens 2 and the connecting seat 3 are facilitated to be assembled.

[0042] The connecting seat 3 is provided with the sliding groove 34, the locking piece 4 is slidably arranged in the sliding groove 34, the limiting wall 35 is arranged on the connecting seat 3, the second elastic member 51 drives the locking piece 4 to abut against the limiting wall 35, so that the second elastic member 51 drives the locking piece 4 to abut against the bottom of the locking groove 23, the limiting wall 35 is arranged to prevent the locking piece 4 from abutting against the bottom of the locking groove 23, and the friction of the lens 2 during adjustment is reduced, and the user is facilitated to adjust the relative position of the lens 2 and the helmet main body 1.

[0043] The locking piece 4 is provided with the clamping portion 41 matched with the locking groove 23, the driving surface 24 is arranged at the end of the clamping portion 41, the abutting wall 411 matched with the limiting portion 35 is arranged on the locking piece 4, the second elastic member 51 drives the locking piece 4 to reset and abut against the limiting wall 35.

[0044] The first magnetic attraction member 13 is arranged on the helmet main body 1, the second magnetic attraction member 26 is arranged on the lens 2, the first magnetic attraction member 13 and the second magnetic attraction member 26 are mutually attracted to keep the lens 2 and the connecting seat 3 in cooperation, the first magnetic attraction member 13 and the second magnetic attraction member 26 are arranged to facilitate the first hinge portion 31 and the second hinge portion 22 to be quickly connected and cooperated, and the lens 2 and the connecting seat 3 are facilitated to be quickly assembled.

[0045] The second magnetic attraction member 26 is arranged in the second hinge portion 22, the locking groove 23 is arranged on the side wall of the second hinge portion 22, and the locking groove 23 is in a circular arc shape, the relative rotation of the lens 2 and the helmet main body 1 is controlled, the locking piece 4 moves along the length direction of the locking groove 23, the second magnetic attraction member 26 is arranged in the second hinge portion 22, the structure is beneficial to the close connection of the first hinge portion 31 and the second hinge portion 22, the first hinge portion 31 and the second hinge portion 22 are prevented from being accidentally separated, the circular arc-shaped locking groove 23 is arranged to prevent the locking piece 4 from affecting the relative rotation of the lens 2 and the helmet main body 1, and the adjustment and control of the lens 2 are facilitated.

[0046] The end of the second hinge portion 22 is provided with the fixing groove 25, and the second magnetic attraction member 26 is fixedly arranged in the fixing groove 25.

[0047] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A lens adjusting structure of a helmet, comprising a helmet body (1), a lens (2) rotatably arranged on the helmet body (1), a positioning rod (21) arranged on the lens (2), and a plurality of positioning grooves (121) adapted to the positioning rod (21) arranged on the helmet body (1), wherein the positioning rod (21) cooperates with different positioning grooves (121) to fix the lens (2) at different positions of the helmet body (1), and the positioning rod (21) can switch between different positioning grooves (121) under external force, characterized in that: The helmet body (1) is provided with a connecting seat (3) and a first elastic member (5), the connecting seat (3) is movably arranged on the helmet body (1), and the lens (2) is rotatably connected with the connecting seat (3); the first elastic member (5) can drive the connecting seat (3) to reset and keep the positioning rod (21) matched with the positioning groove (121); relative movement of the connecting seat (3) and the helmet body (1) can make the positioning rod (21) disengage from the positioning groove (121). ​ 2. A headgear lens adjustment structure according to claim 1, wherein: The helmet body (1) comprises a fixedly connected shell (11) and a mounting seat (12), and the positioning groove (121) is integrally arranged on the mounting seat (12); the connecting seat (3) is slidably arranged on the mounting seat (12).

3. A headgear lens adjustment structure according to claim 1 or claim 2, wherein: The helmet body (1) is provided with a connecting hook (123), and the connecting seat (3) is provided with a guide clamping groove (32) matched with the connecting hook (123); the connecting hook (123) and the guide clamping groove (32) are matched to slidably connect the helmet body (1) and the connecting seat (3) and avoid disengagement of the helmet body (1) and the connecting seat (3).

4. A headgear lens adjustment structure according to claim 3, wherein: The helmet body (1) is provided with a guide groove (122), and the connecting seat (3) is provided with a guide portion (33) matched with the guide groove (122); the guide portion (33) and the guide groove (122) are matched to guide the sliding of the connecting seat (3).

5. The lens adjustment structure of a helmet according to claim 3, wherein: The guide clamping groove (32) is provided with a first guide surface (36) on one side, and the connecting hook (123) is provided with a second guide surface (125); the second guide surface (125) is abutted on the first guide surface (36) to drive the connecting hook (123) to deform, so that the connecting hook (123) is matched with the guide clamping groove (32).

6. The lens adjustment structure of a helmet according to claim 1, wherein: The connecting seat (3) is provided with a first hinge portion (31), and the lens (2) is provided with a second hinge portion (22) rotatably connected with the first hinge portion (31); the connecting seat (3) is provided with a locking member (4), and the lens (2) is provided with a locking groove (23) matched with the locking member (4); the locking member (4) and the locking groove (23) are matched to limit the axial movement of the first hinge portion (31) and the second hinge portion (22), so that the first hinge portion (31) and the second hinge portion (22) are matched; the locking member (4) is provided with a control portion (42), and the locking member (4) can be controlled to disengage from the locking groove (23) through the control portion (42).

7. A headgear lens adjustment structure according to claim 6, wherein: The locking member (4) is slidably arranged on the connecting seat (3), and the connecting seat (3) is provided with a second elastic member (51) for driving the locking member (4) to match the lens (2); the lens (2) and / or the locking member (4) is provided with a driving surface (24); the lens (2) can drive the locking member (4) to displace through the driving surface (24), so that the locking member (4) is matched with the locking groove (23).

8. A headgear lens adjustment structure according to claim 7, wherein: The connecting seat (3) is provided with a sliding groove (34), the locking piece (4) is slidingly arranged in the sliding groove (34), and the connecting seat (3) is provided with a limiting wall (35), and the second elastic element (51) drives the locking piece (4) to abut against the limiting wall (35), so that the second elastic element (51) drives the locking piece (4) to abut against the bottom of the locking groove (23).

9. The lens adjustment structure of a helmet according to claim 6, wherein: The helmet body (1) is provided with a first magnetic attraction piece (13), the lens (2) is provided with a second magnetic attraction piece (26), the first magnetic attraction piece (13) and the second magnetic attraction piece (26) are mutually adsorbed, so that the lens (2) is kept in cooperation with the connecting seat (3).

10. A headgear lens adjustment structure according to claim 9, wherein: The second magnetic attraction piece (26) is arranged in the second hinge part (22), the locking groove (23) is arranged on the side wall of the second hinge part (22), and the locking groove (23) is in the shape of a circular arc, the relative rotation of the lens (2) and the helmet body (1) is controlled, and the locking piece (4) moves along the length direction of the locking groove (23).

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