CN219756116U - Lens module, pixel lighting device using same and car lamp - Google Patents

Abstract

The utility model discloses a lens module, a pixel lighting device using the same and a car lamp, comprising: the lens assembly, the lens holder used for clamping the lens assembly, and the lens bracket used for fixing the lens holder; wherein the lens group comprises at least two lenses which are distributed in parallel; the lens seat comprises a lens base and a lens upper cover which are matched in a clamping way; the lens base and the lens upper cover are spliced to form a containing cavity for containing at least two lenses, and clamping grooves for clamping at least two lenses one by one are correspondingly formed in the side walls of the lens base opposite to the lens upper cover; the lens holder is connected with the lens support by a fastener.

Description

Lens module, pixel lighting device using same and car lamp

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a lens module, a pixel lighting device using the lens module and an automobile lamp.

Background

The development of the car light industry, the single road lighting has been difficult to meet the requirements of traffic participants on safe and comfortable lighting, and the application of pixelized lighting devices capable of simultaneously realizing matrix lighting and pixel display in the technical field of car lamps is increasing, and the purposes of avoiding the interference of far-reaching lights on opposite vehicles and preventing glaring are achieved by controlling the light shape.

A prior art such as a pixel lighting device, a vehicle lamp and a vehicle disclosed in CN215675044U adopts a lens group including at least two lenses, and specifically, for a plurality of lenses included in the lens group, the lens group and a lens bracket are assembled and fixed by: first, the inner wall surface of the lens support is provided with a step structure which is matched with each lens in a one-to-one correspondence manner, the step structure comprises a step surface and a step side surface, the outer peripheral surface of each lens is abutted against the step side surface of the corresponding step structure, each lens can be circumferentially limited through each step side surface, one side of the light incident surface of each lens can be limited through each step surface, the outer peripheral surface of each lens is adhered to the corresponding step side surface through dispensing or adhesive, and the periphery of the light incident surface of each lens is adhered to the corresponding step surface, so that each lens is fixed in the lens support. Second, can set up the light blocking piece in the one side that the light exit face of lens was located as required, be equipped with first light blocking piece in the light exit face periphery of first lens, be equipped with the second light blocking piece in the light exit face periphery of third lens, first light blocking piece and second light blocking piece all glue on the lens support through some glue or adhesive.

The lens and the lens support in the structure adopt a dispensing or bonding mode, on one hand, a dispensing machine, glue curing equipment and the like are needed to be put into, and the problem of relatively high cost of processing equipment is caused; on the other hand, the assembly process is complicated, unstable factors are more, and potential risks are brought to the product quality. Therefore, with respect to the pixel illumination device used in the prior art at present, there is still a need for further optimization and improvement for a specific fixing manner between a lens and a lens holder for the purpose of both simplifying the assembly process and reducing the equipment cost of the processing.

Disclosure of Invention

The first objective of the present utility model is to provide a lens module to solve the technical problem of simplifying the assembly process between lenses.

A second object of the present utility model is to provide a pixel lighting device, which solves the technical problem of simplifying the assembly process between lenses.

A third object of the present utility model is to provide a vehicle lamp, which solves the technical problem of simplifying the assembly process between lenses in the vehicle lamp.

The lens module of the utility model is realized as follows:

a lens module, comprising: the lens assembly, the lens holder used for clamping the lens assembly, and the lens bracket used for fixing the lens holder; wherein the method comprises the steps of

The lens group comprises at least two lenses which are distributed in parallel; and

the lens seat comprises a lens base and a lens upper cover which are matched in a clamping manner; the lens base and the lens upper cover are spliced to form a containing cavity for containing at least two lenses, and clamping grooves for clamping at least two lenses one by one are correspondingly formed in the side walls of the lens base opposite to the lens upper cover;

the lens holder is connected with the lens support by a fastener.

In an alternative embodiment of the present utility model, a pair of connection lugs are provided on the outer side wall of the lens base, and a pair of mounting lugs for mating with the pair of connection lugs are provided on the outer side wall of the lens upper cover; and

and the pair of connecting lugs and the pair of mounting lugs are provided with corresponding through mounting holes for being matched with the fasteners.

In an alternative embodiment of the present utility model, the lens support is provided with a pair of connection parts for being coupled with the pair of mounting ears, and locking holes for being coupled with the fasteners are formed in the connection parts.

In an alternative embodiment of the present utility model, the mounting hole is a kidney-shaped hole; and

the length direction of the kidney-shaped hole extends along the arrangement direction of at least two lenses.

In an alternative embodiment of the utility model, the mounting lug and the connecting lug are in clamping fit through the matched positioning column and the positioning hole.

In an alternative embodiment of the utility model, an L-shaped connecting piece is further arranged on the end surface of the connecting lug facing away from the upper cover of the lens, and a containing groove suitable for the connecting part to be clamped in is formed between the L-shaped connecting piece and the connecting lug.

In an alternative embodiment of the present utility model, the inner walls of the lens base and the lens upper cover for clamping at least two lenses are provided with extinction thread structures.

In an optional embodiment of the present utility model, a fastening structure is further disposed between the lens upper cover and the lens base; and

the clamping structure comprises a clamping tongue which is formed on the outer side wall of the upper lens cover and is convex, and a bayonet which is arranged on the outer side wall of the lens base and is used for clamping the clamping tongue.

The pixel illumination device of the present utility model is realized as follows:

a pixel illumination device, comprising: the lens module, the circuit board and the heat dissipation structure are connected to one side of the lens support, which is opposite to the lens group.

The car lamp is realized by the following steps:

a vehicle lamp, comprising: the pixel lighting device.

By adopting the technical scheme, the utility model has the following beneficial effects: according to the lens module, the pixel lighting device and the car lamp using the lens module, the lens group is positioned and installed through the lens seat by means of clamping and matching of the lens group and the lens seat, and the lens seat and the lens group are matched and connected in a simple clamping and matching mode, so that the assembly process is reduced, and the cost of processing equipment is reduced.

Furthermore, through designing the mounting hole on camera lens base and the camera lens upper cover into waist shape hole for holistic lens stand and lens support's close-fitting process can be along waist shape hole's length direction adjustment position, thereby realize focusing function, when actual use, can adjust the distance between lens group and the lens support as required, and then adjust the distance between the pixel illumination light source on the circuit board of lens group and fixing in lens support one side, make this pixel lighting device image clearly, in order to satisfy the illumination demand, the illuminating effect is preferred.

In addition, through the design of the extinction thread structures on the lens base and the lens top cover, the stray light of the lens can be avoided on the basis of simplifying parts.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pixel illumination device of the present utility model;

FIG. 2 is an exploded view of the pixel illumination device of the present utility model;

FIG. 3 is a schematic diagram illustrating a lens assembly and a lens holder of the lens module according to the present utility model;

FIG. 4 is a schematic view of a lens base of a lens module according to the present utility model;

fig. 5 is a schematic view of a structure of a lens cover of a lens module according to the present utility model.

In the figure: the lens holder 1, the locking hole 11, the connecting portion 12, the fastener 2, the lens 3, the lens mount 4, the connecting lugs 41, the L-shaped connecting piece 42, the accommodating groove 43, the positioning column 45, the lens upper cover 5, the mounting lugs 51, the positioning hole 52, the clamping groove 6, the mounting hole 7, the clamping tongue 81, the bayonet 82, the extinction thread structure 9, the circuit board 101, the fan 102, the heat sink 103, and the heat sink 105.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Example 1:

referring to fig. 1 to 5, the present embodiment provides a lens module, including: a lens group, a lens holder for clamping the lens group, and a lens bracket 1 for fixing the lens holder; that is, the lens holder is fixed to the lens holder 1 in a unitary structure after the assembly with the lens group is completed. Wherein the lens holder is connected to the lens holder 1 by means of a fastener 2. The fastener 2 may alternatively be a fastening screw, for example, but not limited to.

Specifically, first, the lens group includes at least two lenses 3 arranged in parallel, and optionally four or more lenses 3 are used in combination, which is not limited in any way to this embodiment. The optical characteristics of the four lenses 3 are not limited in any way, and any known method may be used.

Secondly, the lens seat comprises a lens base 4 and a lens upper cover 5 which are matched in a clamping way; the lens base 4 and the lens upper cover 5 are spliced to form a containing cavity for containing at least two lenses 3, and the lens base 4 and the lens upper cover 5 are arc-shaped structures, so that cavities with arc-shaped sections for containing lenses are respectively formed in the lens base 4 and the lens upper cover 5.

Based on the above structure, furthermore, the side wall of the lens base 4 opposite to the lens upper cover 5 is correspondingly provided with a clamping groove 6 for clamping at least two lenses 3 one by one; here, that is, the lens mount 4 and the lens cover 5 are respectively formed with the catching groove 6, and the catching groove 6 is adapted to form a catching fixing effect for the lens 3 together.

Next, the present embodiment of the mating between the lens base 4 and the lens upper cover 5 is realized by the following structure:

a pair of connecting lugs 41 are arranged on the outer side wall of the lens base 4, and a pair of mounting lugs 51 for being matched with the pair of connecting lugs 41 are arranged on the outer side wall of the lens upper cover 5; and a pair of connecting lugs 41 and a pair of mounting lugs 51 are provided with corresponding through mounting holes 7 for mating with the fastener 2. The mounting lug 51 and the connecting lug 41 are clamped and matched through the matched positioning column 45 and the positioning hole 52.

As an alternative case, referring to the drawings, the positioning posts 45 are disposed on the end surface of the connection lugs 41 facing the lens upper cover 5, and the positioning holes 52 are disposed on the mounting lugs 51.

On the basis of the above structure, further, a fastening structure is further arranged between the lens upper cover 5 and the lens base 4; and for example, the fastening structure includes a protruding fastening tongue 81 formed on the outer side wall of the lens upper cover 5 and a bayonet 82 provided on the outer side wall of the lens base 4 for fastening the fastening tongue 81. It should be noted that, the number of the fastening structures disposed between the lens upper cover 5 and the lens base 4 is at least two, and four fastening structures described in the drawings may be selected, and each two fastening structures are disposed oppositely. That is to say, the positioning column and the positioning hole are matched to realize the initial positioning of the lens base 4 and the lens upper cover 5 in the assembly process, and then the fastening structure is used for realizing the firm fastening between the lens upper cover 5 and the lens base 4.

Next, the following will be described with respect to the fitting structure between the lens holder 1 and the lens base:

first, the lens holder 1 is provided with a pair of connection portions 12 for coupling the pair of mounting lugs 51, and the connection portions 12 are provided with locking holes 11 for coupling the fastener 2.

Second, in an alternative implementation, the mounting hole 7 is a kidney-shaped hole; and the length direction of the kidney-shaped hole extends along the arrangement direction of at least two lenses. Under such a structure, when the lens module of this embodiment is applied in a specific pixel lighting device, the position can be adjusted along the length direction of the waist-shaped hole in the tight fit process of the integral lens seat and the lens support 1, thereby realizing the focusing function, when in actual use, the distance between the lens group and the lens support 1 can be adjusted according to the needs, and then the distance between the lens group and the pixel lighting source fixed on the circuit board on one side of the lens support 1 is adjusted, so that the imaging of the pixel lighting device is clear, thereby meeting the lighting requirement and having better lighting effect.

Furthermore, it is necessary to say that in an alternative embodiment, the end face of the connecting lug 41 facing away from the lens upper cover 5 is also provided with an L-shaped connecting piece 42, and that between the L-shaped connecting piece 42 and the connecting lug 41, a receiving groove 43 is formed which is suitable for the engagement of the connecting part 12. On the basis of the structure, in the process of assembling the lens holder and the lens bracket 1, the connecting part 12 on the lens bracket 1 is clamped into the accommodating groove 43, and then the mounting holes 7 in the lens base 4 and the lens upper cover 5 are matched with the locking holes 11 on the connecting part 12 through the fastener 2, so that the fastening fit between the lens holder and the lens is realized.

Finally, it is also necessary to describe that the lens base 4 and the lens upper cover 5 of the present embodiment are used for clamping the inner walls of at least two lenses, and have extinction thread structures 9, based on which the lens module of the present embodiment can avoid the generation of stray light of the lens on the basis of simplifying the parts when the lens module of the present embodiment is applied to a specific pixel lighting device.

Example 2:

on the basis of the lens module of embodiment 1, this embodiment provides a pixel lighting device, including: the lens module of embodiment 1, the circuit board 101 coupled to the side of the lens frame 1 facing away from the lens group, and the heat dissipation structure. The heat dissipation structure may be any heat dissipation structure in a vehicle lamp as known in the art, such as, but not limited to, a combination of a fan 102, a heat sink 103, and/or a heat sink 105. That is, the heat dissipation structure may be a combination of the fan 102 and the heat sink 103, a combination of the fan 102 and the heat sink 105, or a combination of the fan 102, the heat sink 103, and the heat sink 105.

Example 3:

on the basis of the pixel lighting device of embodiment 2, this embodiment provides a vehicle lamp, including: the pixel illumination device of embodiment 2.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, and are more fully described herein with reference to the accompanying drawings, in which the principles of the present utility model are shown and described, and in which the general principles of the utility model are defined by the appended claims.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Claims (10)

1. A lens module, comprising: the lens assembly, the lens holder used for clamping the lens assembly, and the lens bracket used for fixing the lens holder; wherein the method comprises the steps of

The lens group comprises at least two lenses which are distributed in parallel; and

the lens seat comprises a lens base and a lens upper cover which are matched in a clamping manner; the lens base and the lens upper cover are spliced to form a containing cavity for containing at least two lenses, and clamping grooves for clamping at least two lenses one by one are correspondingly formed in the side walls of the lens base opposite to the lens upper cover;

the lens holder is connected with the lens support by a fastener.

2. The lens module according to claim 1, wherein a pair of connecting lugs are provided on an outer side wall of the lens base, and a pair of mounting lugs for mating with the pair of connecting lugs are provided on an outer side wall of the lens upper cover; and

and the pair of connecting lugs and the pair of mounting lugs are provided with corresponding through mounting holes for being matched with the fasteners.

3. The lens module as claimed in claim 2, wherein a pair of connection portions for coupling the pair of mounting ears are formed on the lens holder, and locking holes for coupling the fasteners are formed on the connection portions.

4. A lens module as claimed in claim 2 or 3, wherein the mounting hole is a kidney-shaped hole; and

the length direction of the kidney-shaped hole extends along the arrangement direction of at least two lenses.

5. A lens module according to claim 2 or 3, wherein the mounting ear and the connecting ear are engaged by means of an adapted positioning post and positioning hole.

6. A lens module according to claim 3, wherein the end surface of the connecting lug facing away from the upper cover of the lens is further provided with an L-shaped connecting piece, and the L-shaped connecting piece and the connecting lug together form a containing groove suitable for the connecting part to be clamped in.

7. A lens module according to claim 2 or 3, wherein the lens base and the lens upper cover are provided with extinction thread structures on inner walls thereof for clamping at least two lenses.

8. A lens module according to claim 2 or 3, wherein a snap-fit structure is further provided between the lens upper cover and the lens base; and

the clamping structure comprises a clamping tongue which is formed on the outer side wall of the upper lens cover and is convex, and a bayonet which is arranged on the outer side wall of the lens base and is used for clamping the clamping tongue.

9. A pixel illumination device, comprising: the lens module according to any one of claims 1-8, a circuit board and a heat dissipation structure, wherein the circuit board is coupled to a side of the lens holder facing away from the lens group.

10. A vehicle lamp, comprising: the pixel illumination device of claim 9.