CN212841368U - Lens for small lamp for vehicle - Google Patents
Lens for small lamp for vehicle Download PDFInfo
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- CN212841368U CN212841368U CN202022176554.0U CN202022176554U CN212841368U CN 212841368 U CN212841368 U CN 212841368U CN 202022176554 U CN202022176554 U CN 202022176554U CN 212841368 U CN212841368 U CN 212841368U
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Abstract
The utility model discloses a car illumination small lamp lens, including the lens base member, the both sides surface of this lens base member is light inlet surface and play plain noodles respectively, the protrusion is formed with a plurality ofly sets up side by side on the play plain noodles of lens base member, and all follows the bar ripple tooth that lens base member length direction extended, bar ripple tooth all includes illumination printing opacity face and compensation play plain noodles, and each illumination printing opacity face and compensation play plain noodles are alternate arrangement in proper order, and the surface area of each illumination printing opacity face is greater than the projection area of corresponding bar ripple tooth on the lens base member respectively. Technical scheme more than adopting, through set up the bar ripple tooth on the lens base member, can compromise illumination luminance and illumination homogeneity, improved the light-emitting effect, design benefit simultaneously, simple structure is reliable, easily machine-shaping.
Description
Technical Field
The utility model relates to an automobile lamp technical field, concretely relates to automobile-used illumination small lamp lens.
Background
In order to achieve a uniform and high-brightness illumination effect, some small vehicle illumination lamps (such as trunk lamps, cargo box lamps, trunk lamps, etc.) are provided with special lenses.
Some light distribution mirrors on the market can improve the light receiving effect and ensure enough illumination brightness, but have some defects in illumination uniformity. Therefore, some lens have regularly distributed convex points or ribs on the light inlet surface or the light outlet surface, which can effectively improve the uniformity of illumination, but the final illumination brightness is deficient because the light divergence range is enlarged by the convex points and the ribs. Therefore, the existing lens can not give consideration to both the illumination brightness and the illumination uniformity all the time.
Therefore, a new lens with both illumination brightness and illumination uniformity is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a lens for a small lamp for vehicle illumination.
The technical scheme is as follows:
the utility model provides a vehicle lighting small lamp lens, includes the lens base member, and the both sides surface of this lens base member is the light inlet face and goes out the plain noodles respectively, and its main points lie in: the light-emitting surface of the lens base body is convexly provided with a plurality of strip-shaped corrugated teeth which are arranged side by side and extend along the length direction of the lens base body, each strip-shaped corrugated tooth comprises an illumination light-transmitting surface and a compensation light-emitting surface, each illumination light-transmitting surface and each compensation light-emitting surface are sequentially and alternately arranged, and the surface area of each illumination light-transmitting surface is respectively larger than the projection area of the corresponding strip-shaped corrugated tooth on the lens base body.
By adopting the structure, after light emitted by the light source enters the light distribution mirror, most of light is emitted from each lighting light-transmitting surface, the uniformity of the emitted light can be ensured because each lighting light-transmitting surface is arranged side by side, and the surface area of each lighting light-transmitting surface is respectively larger than the projection area of the corresponding strip-shaped corrugated tooth on the light distribution mirror substrate, so that the lighting range is enlarged; after being emitted from each compensation light emitting surface, a small part of light can be emitted to an adjacent illumination light transmitting surface and reflected by the illumination light transmitting surface, so that the brightness compensation is realized, and the illumination brightness is effectively improved; therefore, the strip-shaped corrugated teeth are arranged on the lens base body, so that both illumination brightness and illumination uniformity can be considered, the light emitting effect is improved, and meanwhile, the lens base body is ingenious in design, simple and reliable in structure and easy to machine and form.
Preferably, the method comprises the following steps: each illuminating light-transmitting surface is of a cambered surface structure which is sunken towards the direction close to the lens base body. By adopting the structure, the LED illuminating lamp has a focusing effect, can reduce the divergence of emergent light, and effectively improves the illumination brightness and the illumination effect.
Preferably, the method comprises the following steps: and an included angle between each compensation light-emitting surface and the illumination light-transmitting surface of the adjacent strip-shaped corrugated teeth is an acute angle. By adopting the structure, the light emitted from the compensation light-emitting surface can be fully ensured to be emitted to the illumination light-transmitting surface as much as possible, and the illumination brightness is improved.
Preferably, the method comprises the following steps: the light inlet surface of the lens base body is convexly provided with a focusing boss extending along the length direction of the lens base body, and the width of the focusing boss is gradually reduced towards the direction far away from the lens base body. By adopting the structure, not only can the focusing function be achieved, but also the focusing boss is arranged on one side of the light inlet surface of the lens base body, so that the light inlet area can be effectively increased.
Preferably, the method comprises the following steps: strip light receiving grooves which are arranged side by side along the length direction of the focusing boss are formed in the light inlet surface of the focusing boss in a concave mode, and each strip light receiving groove extends from the protruding high point of the focusing boss to two sides along the width direction of the focusing boss. By adopting the structure, the positions of the light sources are respectively matched with the corresponding strip-shaped light receiving grooves, so that the light inlet area can be increased, and the illumination brightness is improved.
Preferably, the method comprises the following steps: an annular welding convex rib is formed on the light emitting surface of the lens base body in a protruding mode, the annular welding convex rib surrounds the peripheries of all the strip-shaped corrugated teeth, and a plurality of positioning clamping grooves penetrating through the lens base body in the thickness direction are distributed on the outer edge of the lens base body. By adopting the structure, the structure is simple and reliable, and is convenient for ultrasonic welding, installation and positioning.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the vehicle small illuminating lamp lens adopting the technical scheme, after light emitted by the light source enters the lens, most of the light is emitted from each illuminating light-transmitting surface, so that the uniformity of the emitted light can be ensured, and the illuminating range is enlarged; after a small part of light is emitted from each compensation light emitting surface, the small part of light is reflected by the illumination light transmitting surface to irradiate towards an object to be illuminated, so that brightness compensation is realized; therefore, the strip-shaped corrugated teeth are arranged on the lens base body, so that both illumination brightness and illumination uniformity can be considered, the light emitting effect is improved, and meanwhile, the lens base body is ingenious in design, simple and reliable in structure and easy to machine and form.
Drawings
Fig. 1 is a schematic view of one side of a light emitting surface of the present invention;
FIG. 2 is a schematic view of the light inlet side of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a top view of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 and 2, a lens for a small lamp for vehicle lighting is integrally formed by using a transparent material. The lens for the small vehicular lighting lamp mainly comprises a lens base body 1, in the embodiment, the lens base body 1 is in a rectangular plate-shaped structure, and the two side surfaces of the lens base body 1 are a light inlet surface and a light outlet surface respectively.
Referring to fig. 1 and fig. 3, a plurality of strip-shaped corrugated teeth 12 arranged side by side and extending along the length direction of the lens base 1 are formed on the light-emitting surface of the lens base 1 in a protruding manner, that is, the strip-shaped corrugated teeth 12 are arranged in parallel.
The strip corrugated teeth 12 each include an illumination light transmitting surface 121 and a compensation light emitting surface 122, the illumination light transmitting surfaces 121 and the compensation light emitting surfaces 122 are sequentially and alternately arranged, the surface area of each illumination light transmitting surface 121 is respectively larger than the projection area of the corresponding strip corrugated tooth 12 on the lens base 1, that is, the sum of the surface areas of the illumination light transmitting surfaces 121 is larger than the sum of the projection areas of the strip corrugated teeth 12 on the lens base 1.
Furthermore, each lighting light-transmitting surface 121 is a cambered surface structure which is concave towards the direction close to the lens base body 1, has a focusing effect, can reduce the divergence of emergent light, and effectively improves the lighting brightness and the lighting effect.
Moreover, because the included angle between each compensation light-emitting surface 122 and the illumination light-transmitting surface 121 of the adjacent strip-shaped corrugated teeth 12 is an acute angle, it can be fully ensured that the light emitted from the compensation light-emitting surface 122 can be emitted to the illumination light-transmitting surface 121 as much as possible, and the illumination brightness is improved.
Referring to fig. 2-4, a focusing convex 11 extending along the length direction of the lens base 1 is formed on the light entrance surface of the lens base 1, that is, the focusing convex 11 is in a strip structure and is located inside each strip corrugated tooth 12. The width of the focusing boss 11 is gradually reduced towards the direction far away from the lens base body 1, that is, the focusing boss 11 forms a convex lens structure, which not only can play a focusing role, but also the focusing boss 11 is arranged on the side of the light inlet surface of the lens base body 1, so that the light inlet area can be effectively increased.
Further, the light inlet surface of the focusing boss 11 is concavely provided with strip light receiving grooves 111 which are arranged side by side along the length direction of the focusing boss 11, the cross section of each strip light receiving groove 111 is arc-shaped, each strip light receiving groove 111 extends from the convex high point of the focusing boss 11 to both sides along the width direction of the focusing boss 11, and the position of each light source is respectively matched with the corresponding strip light receiving groove 111, so that the light inlet area can be increased, and the illumination brightness is improved.
Referring to fig. 1 and 2, an annular welding rib 13 is convexly formed on the light-emitting surface of the lens base 1, and the annular welding rib 13 surrounds the peripheries of all the strip-shaped corrugated teeth 12, that is, all the strip-shaped corrugated teeth 12 are located in the annular welding rib 13, so that ultrasonic welding is facilitated.
Furthermore, a plurality of positioning clamping grooves 14 penetrating through the lens base body 1 along the thickness direction are distributed on the outer edge of the lens base body 1, so that the lens is convenient to mount and position.
After light emitted by the light source enters the light distribution mirror from the focusing boss 11, most of the light is emitted from each lighting light-transmitting surface, the uniformity of the emitted light can be ensured because each lighting light-transmitting surface 121 is arranged side by side, and the illumination range is enlarged because the surface area of each lighting light-transmitting surface 121 is respectively larger than the projection area of the corresponding strip-shaped corrugated teeth 12 on the light distribution mirror base body 1; after being emitted from each compensation light emitting surface 122, a small part of light can be emitted to the adjacent illumination light transmitting surface 121 and reflected by the illumination light transmitting surface 121 to be emitted to an object to be illuminated, so that the brightness compensation is realized, and the illumination brightness is effectively improved.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (6)
1. The utility model provides a vehicle lighting small lamp lens, includes lens base member (1), and the both sides surface of this lens base member (1) is the light inlet face and goes out the plain noodles respectively, its characterized in that: the light-emitting surface of the lens base body (1) is convexly provided with a plurality of strip-shaped corrugated teeth (12) which are arranged side by side and extend along the length direction of the lens base body (1), each strip-shaped corrugated tooth (12) comprises an illumination light-transmitting surface (121) and a compensation light-emitting surface (122), each illumination light-transmitting surface (121) and each compensation light-emitting surface (122) are sequentially and alternately arranged, and the surface area of each illumination light-transmitting surface (121) is respectively larger than the projection area of the corresponding strip-shaped corrugated tooth (12) on the lens base body (1).
2. The lens for a small lamp for vehicle of claim 1, wherein: each lighting light-transmitting surface (121) is of a cambered surface structure which is concave towards the direction close to the lens base body (1).
3. The lens for a small lamp for vehicle illumination according to claim 1 or 2, characterized in that: and an included angle between each compensation light-emitting surface (122) and the illumination light-transmitting surface (121) of the adjacent strip-shaped corrugated teeth (12) is an acute angle.
4. The lens for a small lamp for vehicle of claim 1, wherein: the light inlet surface of the lens base body (1) is convexly provided with a focusing boss (11) extending along the length direction of the lens base body (1), and the width of the focusing boss (11) is gradually reduced towards the direction far away from the lens base body (1).
5. The lens for a small lamp for vehicle of claim 4, wherein: strip light receiving grooves (111) which are arranged side by side along the length direction of the focusing boss (11) are formed in the light inlet surface of the focusing boss (11) in a concave mode, and each strip light receiving groove (111) extends towards two sides from the protruding high point of the focusing boss (11) along the width direction of the focusing boss (11).
6. The lens for a small lamp for vehicle of claim 1, wherein: an annular welding convex rib (13) is formed on the light-emitting surface of the lens base body (1) in a protruding mode, the annular welding convex rib (13) surrounds the peripheries of all strip-shaped corrugated teeth (12), and a plurality of positioning clamping grooves (14) penetrating through the lens base body (1) in the thickness direction are distributed in the outer edge of the lens base body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176554.0U CN212841368U (en) | 2020-09-27 | 2020-09-27 | Lens for small lamp for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176554.0U CN212841368U (en) | 2020-09-27 | 2020-09-27 | Lens for small lamp for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212841368U true CN212841368U (en) | 2021-03-30 |
Family
ID=75150266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022176554.0U Active CN212841368U (en) | 2020-09-27 | 2020-09-27 | Lens for small lamp for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212841368U (en) |
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2020
- 2020-09-27 CN CN202022176554.0U patent/CN212841368U/en active Active
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