CN220000950U - Helmet and lens connection structure - Google Patents
Helmet and lens connection structure Download PDFInfo
- Publication number
- CN220000950U CN220000950U CN202320733566.XU CN202320733566U CN220000950U CN 220000950 U CN220000950 U CN 220000950U CN 202320733566 U CN202320733566 U CN 202320733566U CN 220000950 U CN220000950 U CN 220000950U
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- Prior art keywords
- lens
- helmet
- groove
- connecting piece
- connection structure
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- 230000006978 adaptation Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Abstract
The utility model discloses a helmet and lens connecting structure, which comprises connecting pieces fixed on two sides of a helmet and lenses buckled on the front part of the helmet, wherein two ends of each lens are rotationally connected with the connecting pieces through rotating parts, each connecting piece is provided with a clamping groove, one side of each clamping groove is provided with a socket, the rotating part of the corresponding end of each lens is matched with the clamping groove, each connecting piece is provided with an elastic tongue piece reversely arranged with the socket, one side of each elastic tongue piece is connected with the socket end, the other periphery of each elastic tongue piece is provided with a first hollow groove, and each elastic tongue piece is provided with a first limit bulge which is matched with the position and the shape of the rotating part and is provided with at least one concentric arc surface; the lens is connected with the connecting piece through the first limiting protrusion arranged on the elastic tongue piece, and the pressing handle for pressing the elastic tongue piece and the elastic tongue piece are of an integrated structure, so that the unlocking structure arranged outside the lens is simplified, and the lens is separated from the connecting piece by one-hand operation.
Description
Technical Field
The utility model relates to the technical field of connection of helmets and lenses, in particular to a helmet and lens connection structure.
Background
It is common to mount a lens to a full-cover helmet or the like so as to be capable of opening and closing an eye-exposing opening provided in the front surface of a helmet body, and the lens is a connection structure that can be easily attached to and detached from the helmet body so as to be exchangeable when the helmet is injured or stained during running, or when the color or design is changed.
As a conventional connection structure, there is known a structure in which rotation support portions are provided on both left and right sides of a helmet body, rotation portions rotatably engaged with the left and right rotation support portions are provided on both left and right end portions of a lens, and these rotation support portions and rotation portions can be disengaged by an operation of pulling both left and right end portions of the lens outward in a left-right direction with respect to the helmet body, and engaged by an operation of pressing both left and right end portions of a shield in a separated state inward in the left-right direction (left-right direction with respect to the helmet body);
however, the shield is not removed at will during normal use (driving, etc.) of the helmet, and the rotation support portion and the rotation portion are engaged with each other to be lockable, but in the above-described conventional connection structure, the structure of the operation portion for locking is pushed down along the outer surface of the lens to unlock the lock, and the unlocking mechanism is complex in structure, is easily damaged by locking, and has a short service life.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a helmet and lens connecting structure, which simplifies an unlocking structure and is convenient to operate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a helmet and lens connection structure, includes the connecting piece and the lens of lock in the helmet front portion of fixing in helmet both sides, the lens both ends are rotated with the connecting piece through rotating the portion and are connected, every be equipped with the draw-in groove on the connecting piece, draw-in groove one side is equipped with the socket, the rotation portion and the draw-in groove of the corresponding one end of lens cooperate, the connecting piece is equipped with the elastic tongue piece that sets up in reverse with the socket, one side and the socket end of elastic tongue piece are connected, and remaining periphery is equipped with first fretwork groove, be equipped with on the elastic tongue piece with the first spacing arch of rotation portion position and shape looks adaptation and the concentric arc surface of at least one side.
In order to make the structure of the lens after installation more stable after the cooperation contact of the rotating part and the clamping groove, a further preferable technical scheme is that one side of the elastic tongue piece is provided with a pressing handle, and the pressing handle is provided with a second limiting protrusion which is matched with the position and the shape of the rotating part and is provided with at least one concentric arc surface.
In order to insert the lens into the connector at a suitable position, it is further preferred that the connector is mounted in a position such that the socket is open towards the lens in a maximum angular position with the helmet up.
In order to limit the rotation part of the lens to separate from the connecting piece along the axial direction of the clamping groove, the further preferable technical scheme is that the rotation part is a D-shaped convex ring, an outward flanging is arranged at the top of an arc-shaped section of the D-shaped convex ring, and flanges which are symmetrically arranged and are matched with the outward flanging are arranged on the connecting piece on two sides of the clamping groove.
In order to facilitate the lens rotating part to enter the socket, a further preferable technical scheme is that the socket is of a U-shaped structure.
In order to properly adjust the bouncing angle (opening) of the lens relative to the helmet body, a further preferable technical scheme is that one side of the clamping groove on the connecting piece is provided with a pair of elastic teeth concentric with the rotation center of the clamping groove, and the lens is provided with positioning teeth meshed with the elastic teeth.
In order to facilitate the positioning teeth to be inserted into the second hollow grooves to be matched with the elastic teeth when the rotating parts are inserted into the clamping grooves, the further preferred technical scheme is that the second hollow grooves are formed in two sides of the elastic teeth, and the tooth inserting grooves are formed in the connecting piece on one side of each second hollow groove.
In order to enable the connecting piece to be detachably fixed on the helmet, a further preferable technical scheme is that the connecting piece is provided with a helmet connecting hole.
In order to stabilize the matching structure of the positioning teeth and the elastic teeth through the guide structure, a further preferable technical scheme is that the positioning teeth are provided with convex sliding blocks, and the connecting piece is provided with sliding grooves matched with the sliding blocks.
In order to reduce the weight of the product, save materials and reduce cost, a further preferable technical scheme is that the back of the connecting piece is provided with a groove, and the groove is arranged between the outer contour of the connecting piece and the back of the sliding groove, the back of the first hollowed-out groove and the back of the helmet connecting hole.
Compared with the prior art, the utility model has the beneficial effects that: the lens is connected with the connecting piece by arranging the first limiting bulge on the elastic tongue piece, and the pressing handle for pressing the elastic tongue piece and the elastic tongue piece are of an integrated structure, so that the unlocking structure arranged outside the lens is simplified, the lens is separated from the connecting piece by one hand operation, the traditional mode that the pressing handle is arranged on the lens and the unlocking mechanism is pressed by the connecting structure is avoided, the unlocking structure is simpler, the operation is more convenient, the operating handle for unlocking is arranged on the connecting piece, the pressing handle is leaked outside the lens only when the lens is rotated to the maximum opening angle, otherwise, the pressing handle is positioned on the inner side of the lens, the lens is in the range of the maximum opening angle, an operator cannot operate the pressing handle to unlock, and the problem that the lens is separated from the connecting piece by mistakenly pressing the operating handle or accidentally touching the unlocking connecting structure when the traditional unlocking structure is arranged on the lens is avoided;
the pressing handle is provided with a second limiting convex body corresponding to the first limiting convex body of the elastic tongue piece, and the structure of the installed lens is more stable;
the connecting piece on one side of the clamping groove is provided with a pair of elastic teeth concentric with the rotation center of the clamping groove, the lens is provided with positioning teeth matched with the positions of the elastic teeth, and the lens positioning teeth move to the adjacent position and span relative to the elastic teeth of the connecting piece, so that the bouncing angle (opening) of the lens relative to the helmet body can be proper.
Drawings
FIG. 1 is an isometric view of a connection side of a connector of the present utility model with a lens;
FIG. 2 is an isometric view of one side of the attachment of the present utility model to a helmet;
FIG. 3 is an isometric view of one of the lenses of the utility model in a closed position with the helmet;
FIG. 4 is a second perspective view of the lens and helmet of the present utility model in a closed position;
FIG. 5 is an isometric view of one of the lenses of the utility model shown in the inserted or removed position with respect to the helmet;
FIG. 6 is a second perspective view of the lens of the present utility model shown in an inserted or removed position with respect to the helmet;
FIG. 7 is an isometric view of the lens of the present utility model in a state of being inserted into or removed from a receptacle with a helmet;
in the figure: 10. a connecting piece; 11. a socket; 12. a first hollow groove; 13. a clamping groove; 131. a flange; 14. an elastic tongue piece; 141. the first limiting protrusion; 15. pressing the handle; 151. the second limiting bulge; 16. helmet connecting holes; 17. elastic teeth; 18. a second hollow groove; 19. tooth socket insertion; 20. a groove; 21. a chute; 30. a lens; 31. a rotating part; 311. a flanging; 32. positioning teeth; 321. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples
As shown in fig. 1-4, a helmet and lens connection structure, including the helmet, the helmet both sides have connecting piece 10, be equipped with helmet connecting hole 16 on the connecting piece 10, connecting piece 10 passes through the fix with screw on the helmet, lens 30 passes through connecting piece 10 lock in the helmet front portion, lens 30 both ends pass through rotation portion 31 and connecting piece 10 rotation and are connected, every be equipped with draw-in groove 13 on the connecting piece 10, draw-in groove 13 one side is equipped with socket 11, the rotation portion 31 and the draw-in groove 13 of the corresponding one end of lens 30 cooperate, connecting piece 10 is equipped with the elastic tongue piece 14 that sets up with socket 11 in opposite directions, elastic tongue piece 14 one side is connected with the socket end, and the other periphery is equipped with first hollow groove 12, be equipped with on the elastic tongue piece 14 with rotation portion 31 position and shape looks adaptation and the first spacing protruding 141 of at least one side concentric arc face, the first spacing protruding 141 of arc face is with lens 30 rotation portion 31 looks adaptation, makes through first spacing protruding 141 the lens 30 lock is in on the connecting piece 10 can open.
In order to make the structure of the installed lens 30 more stable after the rotating portion 31 contacts with the clamping groove 13, further, a pressing handle 15 is disposed on one side of the elastic tongue piece 14, a second limiting protrusion 151 matching with the position and shape of the rotating portion 31 and having at least one concentric arc surface is disposed on the pressing handle 15, the second limiting protrusion 151 of the arc surface is matched with the rotating portion of the lens 30, and the pressing handle 15 contacts the elastic tongue piece 14 to release the limitation of the rotating portion of the lens 30, so that the lens 30 is separated from the connecting piece 10.
In order to insert the lens 30 into the connector 10 in a suitable position, the connector is further mounted in a position such that the socket 11 is open towards the lens 30 in a maximum angular position with the helmet up.
In order to limit the rotation part 31 of the lens 30 from being separated from the connector 10 along the axial direction of the clamping groove 13, further, the rotation part 31 is a D-shaped convex ring, an outward flange 311 is arranged at the top of an arc section of the D-shaped convex ring, flanges 131 which are symmetrically arranged and are matched with the outward flange 311 are arranged on two sides of the clamping groove 13 of the connector 10, the D-shaped convex ring structure is convenient to be rotationally connected with the connector 10, the first limiting protrusion 141 can be abutted against the inner ring surface of the D-shaped convex ring, and the D-shaped convex ring can prevent interference with the socket 11.
In order to facilitate the insertion of the rotating portion 31 of the lens 30 into the socket 11, further, the socket 11 has a U-shaped structure.
In order to properly adjust the bouncing angle (opening) of the lens 30 relative to the helmet body, further, a pair of elastic teeth 17 concentric with the rotation center of the clamping groove 13 are arranged on one side of the clamping groove 13 on the connecting piece 10, the lens 30 is provided with positioning teeth 32 meshed with the elastic teeth 17, the positioning teeth 32 of the lens 30 move to the adjacent position and span relative to the elastic teeth 17 of the connecting piece 10, and the elastic teeth 17 can elastically stretch along the radial direction of the rotation center in a propped state and then mesh with the positioning teeth 32, so that the bouncing angle (opening) of the lens 30 relative to the helmet body can be proper.
In order to facilitate the positioning teeth 32 to be inserted into the second hollow groove 18 to engage with the elastic teeth 17 while the rotating portion 31 is inserted into the clamping groove 13, further, the two sides of the elastic teeth 17 are provided with the second hollow groove 18, and a connecting piece at one side of the second hollow groove 18 is provided with a slot 19.
In order to stabilize the matching structure of the positioning teeth 32 and the elastic teeth 17 through the guiding structure, further, the positioning teeth 32 are provided with raised sliding blocks 321, the connecting piece 10 is provided with sliding grooves 21 matched with the sliding blocks, the positioning teeth 32 of the lens 30 move in an adjacent position and crossing manner relative to the elastic teeth 17 of the connecting piece 10, and the sliding blocks 321 synchronously move along the sliding grooves 21.
In order to reduce the weight of the product, save materials and reduce cost, further, the back surface of the connecting piece 10 is provided with a groove 20, and the groove 20 is arranged between the outer contour of the connecting piece 10 and the back surface of the sliding groove 21, the back surface of the first hollowed groove 12 and the back surface of the helmet connecting hole 16.
As is clear from the above detailed description, in the lens 30 connecting structure of the present utility model having the above-described structure, the lens 30 is a member that is unlocked and attached by pressing the pressing elastic tongue piece 14 in a state of being sprung up to the open position with respect to the helmet connector 10, and the attachment and detachment are performed in a direction that can be disengaged by an operation of pulling the lens 30 in the sprung state obliquely upward from the front of the helmet connector 10, and can be engaged by an operation of pressing the lens 30 in the detached state obliquely downward rearward of the helmet body connector 10;
specifically, when the lens 30 is inserted into the clamping groove 13 through the insertion opening 11 in the Z-line direction in fig. 1, the rotating portion 31 abuts against the first limiting protrusion 141 on the elastic tongue piece 14, so that the elastic tongue piece 14 deforms toward the inner side of the helmet, the rotating portion 31 is buckled in the clamping groove 13, the outward flange 311 of the D-shaped convex ring is matched with the flange 131 of the clamping groove 13 to form buckling, the rotating portion 31 of the lens 30 is limited by the first limiting protrusion 141 and the second limiting protrusion 151 and can only rotate in the clamping groove 13, and when an operator buckles the helmet through operating the lens 30, the positioning teeth 32 move along the elastic teeth 17 to the adjacent positions in a crossing manner while rotating, and a positioning state is formed; thereby, the bounce angle (opening degree) of the lens 30 with respect to the helmet body can be adjusted.
As shown in fig. 7, when the lens 30 is detached from the connector 10 of the helmet body, the operator first rotates the lens 30 to the open position where the lens is opened by the maximum angle, and presses the pressing handle 15, so that the elastic tongue 14 deforms toward the helmet body inside the connector 10, the first limit protrusion 141 of the elastic tongue 14 can separate from and press the rotating part 31 under the driving of the elastic tongue 14, the lens 30 is automatically separated from the clamping groove 13 of the connector 10 due to the elastic action of the lens 30, the first limit protrusion 141 is arranged on the elastic tongue 14 to connect the lens 30 with the connector 10, the pressing handle 15 and the elastic tongue 14 are integrated, the unlocking structure arranged outside the lens 30 is simplified, the lens 30 is separated from the connector 10 by one-hand operation, the way that the pressing handle 15 is arranged on the lens 30 and presses the unlocking mechanism by the connecting structure is avoided, the unlocking structure is simpler, the operation is more convenient, the pressing handle 15 is arranged on the connector 10, the lens 30 is separated from the maximum angle by the pressing handle 15 when the connector 30 is opened by one-hand, and the operator can not press the lens 30 by one-hand, or the user can not press the unlocking handle 15 by one-hand, and the operator can not press the lens 30 by one-hand.
In the figure, the direction of inserting the lens 30 into the fastening and elastic unlocking separation connector 10 at the maximum opening angle is a best implementation direction, but not the only direction, the lens 30 may be inserted into the helmet clamping slot 13 at the position corresponding to the maximum opening angle range, and the bouncing angle (opening) of the lens 30 relative to the helmet body may be adjusted by rotating the two sides of the inserting position, and the unlocking separation of the lens 30 from the helmet may be achieved by adjusting the position and angle of the pressing handle 15.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. The utility model provides a helmet and lens connection structure, includes the connecting piece and the lens of lock in the helmet front portion of fixing in helmet both sides, the lens both ends are rotated with the connecting piece through rotating the portion and are connected, its characterized in that, every be equipped with the draw-in groove on the connecting piece, draw-in groove one side is equipped with the socket, the rotating portion and the draw-in groove cooperation of the corresponding one end of lens, the connecting piece is equipped with the elastic tongue piece that sets up in opposite direction with the socket, one side and the socket end of elastic tongue piece are connected, and remaining periphery is equipped with first hollow groove, be equipped with on the elastic tongue piece with the first spacing arch of rotating portion position and shape looks adaptation and the concentric arc surface of at least one side.
2. The helmet and lens connection structure according to claim 1, wherein a pressing handle is provided on one side of the elastic tongue piece, and the pressing handle is provided with a second limiting protrusion which is adapted to the position and shape of the rotating part and has at least one concentric arc surface.
3. A helmet and lens connection structure according to claim 1 wherein said connection member is mounted such that the socket is oriented toward said lens in a helmet open up maximum angle condition.
4. The helmet and lens connection structure according to claim 1, wherein the rotating portion is a D-shaped convex ring, an outward flange is arranged at the top of the arc-shaped section of the D-shaped convex ring, and flanges which are symmetrically arranged and are matched with the outward flange are arranged on two sides of the clamping groove on the connecting piece.
5. A helmet and lens connection structure according to claim 1 wherein the socket is of U-shaped configuration.
6. The helmet and lens connection structure of claim 1, wherein a pair of elastic teeth concentric with a rotation center of the clamping groove is provided at one side of the clamping groove on the connection member, and the lens is provided with positioning teeth engaged with the elastic teeth.
7. The helmet and lens connection structure of claim 6, wherein second hollowed-out grooves are formed on two sides of the elastic teeth, and a tooth slot is formed on a connecting piece on one side of the second hollowed-out groove.
8. A helmet and lens connection structure according to claim 1, wherein said connection member is provided with a helmet connection hole.
9. The helmet and lens connection structure of claim 6, wherein the positioning teeth are provided with protruding sliding blocks, and the connecting piece is provided with sliding grooves matched with the sliding blocks.
10. The helmet and lens connection structure of claim 1, wherein the back surface of the connection member is provided with a groove, and the groove is arranged between the outer contour of the connection member and the back surface of the sliding groove, the back surface of the first hollowed-out groove and the back surface of the helmet connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733566.XU CN220000950U (en) | 2023-04-04 | 2023-04-04 | Helmet and lens connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733566.XU CN220000950U (en) | 2023-04-04 | 2023-04-04 | Helmet and lens connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220000950U true CN220000950U (en) | 2023-11-14 |
Family
ID=88678323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733566.XU Active CN220000950U (en) | 2023-04-04 | 2023-04-04 | Helmet and lens connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220000950U (en) |
-
2023
- 2023-04-04 CN CN202320733566.XU patent/CN220000950U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |