CN217843718U

CN217843718U - Optical lens assembly

Info

Publication number: CN217843718U
Application number: CN202222027237.1U
Authority: CN
Inventors: 安春明
Original assignee: Chongqing Chunjian Technology Development Co ltd
Current assignee: Chongqing Chunjian Technology Development Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-18
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to an optical lens assembly, including lens piece, light source module, snoot and radiator, the light source module includes the light-passing board and connects in the LED lamp body board of light-passing board, LED lamp body board is installed in the radiator, the light-passing board is provided with the protruding and a plurality of distance light of short-distance beam and is protruding, the distance light is protruding to be greater than the protruding and a plurality of distance light of short-distance beam and to be located the protruding both sides of short-distance beam respectively, the snoot is flaring column structure and its two openings that are provided with, the lens piece is installed in one side opening of snoot, the protruding and the distance light of short-distance beam is protruding to be in the another side opening of snoot. The problem that the structure of an optical lens assembly in a motorcycle lamp body and the arrangement of high beams and low beams are too complex and are not beneficial to production in the prior art is solved.

Description

Optical lens assembly

Technical Field

The application relates to the technical field of motorcycle lighting lamps, in particular to an optical lens assembly.

Background

The structure of the traditional motorcycle headlamp generally comprises a lampshade, a lamp shell, a reflecting bowl, a filament bulb, a lamp holder, a dust cover, a light adjusting screw and the like. Two filaments are arranged in the bulb, one is a high beam filament, and the other is a low beam filament. The high beam filament is positioned on the focus of the reflector, the reflected light is parallel horizontal light, and an elliptic light spot is formed on the light distribution screen; the dipped beam filament is positioned above the focus of the light reflecting bowl, the reflected light is downward parallel light, and a light and shade cut-off line is generated on the light distribution screen. For avoiding the great problem of illumination power consumption of traditional motorcycle lamps, at present, the LED lamp is adopted as the illumination lamp body in the prior art, but the illumination requirement is met, and an optical lens is usually arranged, so that the light source irradiated by the lamp body meets the requirement. However, the structure of the optical lens assembly and the arrangement of the high beam and the low beam in the motorcycle lamp body in the prior art are too complicated, so that the motorcycle lamp body is too large in volume and is not favorable for production and processing.

Disclosure of Invention

Therefore, the optical lens assembly is provided, and the problems that the structure of the optical lens assembly in the motorcycle lamp body and the arrangement of high beams and low beams are too complex and are not beneficial to production in the prior art are solved.

The utility model provides an optical lens assembly, includes lens piece, light source module, snoot and radiator, the light source module includes the light-passing board and connects in the LED lamp body board of light-passing board, LED lamp body board is installed in the radiator, the light-passing board is provided with the protruding and a plurality of distance light of short-distance beam and is protruding, the distance light is protruding to be greater than the protruding and a plurality of distance light of short-distance beam and to be located the protruding both sides of short-distance beam respectively, the snoot is flaring column structure and its is provided with two openings, the lens piece is installed in one side opening of snoot, the protruding and another side opening that is in the snoot of short-distance beam.

In one embodiment, one side of the lens block facing the light source module is a plane, the other side of the lens block protrudes outwards, the cambered surface of the protrusion of the lens block extends to the lower end edge, and the thickness of the lens block positioned on the upper end edge is larger than that of the lower end edge.

In one embodiment, the lens block is provided with a ring cover which is fixed on the heat sink, the lens block is positioned in the ring cover, and the outer protrusion of the lens block is positioned outside the opening of the ring cover.

In one embodiment, the heat sink is provided with a fixing groove, the LED lamp body plate is mounted in the fixing groove, and the heat sink is provided with a plurality of heat dissipation ports, wherein the heat dissipation ports are communicated with the fixing groove.

In one embodiment, a side of the heat sink facing away from the lens block is provided with a plurality of heat dissipation fins.

In one embodiment, the light-gathering cover is provided with a mounting support leg, a groove wall of the fixing groove is provided with a limiting opening, and the mounting support leg is inserted into the limiting opening.

In one embodiment, the heat radiator is provided with a plurality of limiting pieces, the limiting pieces abut against the inner wall of the ring cover, and the lens block is located between the limiting pieces.

To sum up, the optical lens assembly of the present application has the following effects: the optical lens assembly only comprises a lens block, a light source module, a light-gathering cover and a heat radiator, the accessory structure is simple, and a far light protrusion and a near light protrusion are arranged on the same light-transmitting plate, so that the integration degree is relatively higher, and the volume is reduced. In addition, the light source module shines the accessible snoot and gathers the light source, and rethread lens piece refracts for the illuminance improves, satisfies the requirement.

Drawings

FIG. 1 is a schematic diagram of an optical lens assembly according to an embodiment of the present application;

FIG. 2 is an exploded view of an optical lens assembly according to an embodiment of the present application.

Reference numerals: 1. a lens block; 11. a clamping part; 2. a light source module; 21. a light-transmitting plate; 211. a low beam protrusion; 212. a high beam protrusion; 22. an LED lamp body plate; 3. a light-gathering cover; 31. mounting support legs; 4. a heat sink; 41. fixing grooves; 42. a heat dissipating fin; 43. a limiting sheet; 44. a limiting port; 5. and (4) a ring cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the illustrations provided in the present embodiments are only schematic illustrations of the basic idea of the present invention.

The structures, proportions, and dimensions shown in the drawings and described in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the following claims.

References in this specification to orientations or positional relationships such as "upper," "lower," "left," "right," "middle," "longitudinal," "lateral," "horizontal," "inner," "outer," "radial," "circumferential," and the like are based on the orientations or positional relationships illustrated in the drawings and are intended to simplify the description, rather than to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, an optical lens assembly includes a lens block 1, a light source module 2, a light-gathering cover 3 and a heat sink 4, the light source module 2 includes a light-transmitting plate 21 and an LED lamp body plate 22, the LED lamp body plate 22 is an LED circuit board with light-emitting lamp bodies, and the LED lamp body plate 22 is fixed on the heat sink 4. The light-transmitting plate 21 is made of a transparent material, a plurality of support legs are formed on one side of the light-transmitting plate 21 facing the LED lamp body plate 22, the light-transmitting plate 21 is fixedly connected to the LED lamp body plate 22 through the support legs, gaps can be reserved between the light-transmitting plate 21 and the LED lamp body plate 22 through the support legs, and the gaps not only contribute to heat dissipation of the LED lamp body plate 22, but also contribute to refraction of a light source by the light-transmitting plate 21.

Specifically, a side of the light-transmitting plate 21 facing away from the LED lamp body plate 22 is formed with a low-beam protrusion 211 and two high-beam protrusions 212, each of the low-beam protrusion 211 and the high-beam protrusion 212 is an elliptical protrusion, the two high-beam protrusions 212 are located on both sides of the low-beam protrusion 211 and connected to the low-beam protrusion 211, and the high-beam protrusion 212 protrudes to a greater extent than the low-beam protrusion 211, so that the high-beam protrusion 212 can irradiate the received light to the lens block 1 in a greater range. When the near light needs to be turned on, the near light corresponding to the LED lamp body plate 22 is turned on, so that the light source is illuminated from the near light protrusion 211; when the high beam needs to be turned on, the high beam and the low beam corresponding to the LED lamp body 22 are turned on simultaneously, and at this time, the light source can irradiate from the low beam protrusion 211 and the high beam protrusion 212 simultaneously, so that the illumination satisfies the requirement. Of course, the high beam protrusions 212 of the present application may be provided in four, six, or eight as the case may be.

Since the LED lamp body plate 22 generates a large amount of heat during lighting, in order to improve the heat dissipation effect, the heat sink 4 is formed with fixing grooves 41, and the LED lamp body plate 22 is mounted in the fixing grooves 41 by bolts. The heat sink 4 is provided with a plurality of heat dissipating ports, the heat dissipating ports penetrate through the fixing groove 41 from the rear portion of the heat sink 4, so that the heat dissipating ports are communicated with the fixing groove 41, heat generated by the LED lamp body plate 22 can be timely LED out by the heat dissipating ports, and damage to the LED lamp body plate 22 due to heat radiation is slowed down. Furthermore, the heat sink 4 is made of alloy, and a plurality of heat dissipation fins 42 in a strip structure are formed on one side of the heat sink 4 opposite to the lens block 1, and the heat dissipation fins 42 can increase the contact area between the heat sink 4 and air, thereby improving the heat dissipation effect.

Referring to fig. 1 and 2, the light-gathering cover 3 is a flaring structure and is provided with two openings, the lens block 1 is installed at one side opening of the light-gathering cover 3, and the edge of the other side opening of the light-gathering cover 3 abuts against the light-transmitting plate 21, so that the low-beam protrusions 211 and the high-beam protrusions 212 are located in the side opening. It should be noted that the flaring of the embodiment means that the inner wall of the light-gathering cover 3 is in a frustum structure, and the small end of the light-gathering cover 3 is arranged toward the light-transmitting plate 21, so that the refracted light of the light-transmitting plate 21 can be focused on the lens block 1 through the inclined side wall of the light-gathering cover 3. The snoot 3 is formed with two mounting legs 31, the mounting legs 31 extend toward the heat sink 4 and are provided with bolt holes, the groove wall of the fixing groove 41 is correspondingly provided with a limiting opening 44, and the mounting legs 31 are inserted into the limiting opening 44 and tightly fix the snoot 3 to the heat sink 4 through the matching of bolts and the bolt holes.

In this embodiment, as a preferred embodiment, a clamping portion 11 is formed at the edge of the peripheral side of the lens block 1, one side of the lens block 1 facing the light source module 2 is a plane, the other side of the lens block 1 protrudes outward, and the arc surface of the side protrudes outward is asymmetrically arranged, and the protruding arc surface of the lens block 1 extends to the edge of the clamping portion 11 at the lower end of the lens block, so that the thickness of the lens block 1 at the edge of the upper end is greater than the thickness of the edge of the lower end of the lens block. More specifically, the convex middle part of the lens block 1 is equally divided into two parts along the horizontal plane, and the radian of the cambered surface of the lens block 1 positioned above is smaller than that of the cambered surface positioned below. Through the special structural arrangement of the lens block 1, the irradiated light can be concentrated at a position below the horizontal, and the light is not irradiated upwards to be diffused, so that the dazzling effect of the light generated during vehicle driving is reduced.

In order to enable the lens block 1 to be installed more stably, the optical lens assembly further comprises a ring cover 5, the ring cover 5 is fixed on one side of the heat sink 4 through bolts, the opening sectional area of one side, close to the heat sink 4, of the ring cover 5 is larger than that of one side, far away from the heat sink 4, of the ring cover 5, the lens block 1 is clamped in the ring cover 5 through a clamping portion 11, and the outer protrusion of the lens block 1 is located on the outer side of the opening of the ring cover 5. The radiator 4 is formed with a plurality of spacing pieces 43, the spacing pieces 43 are abutted against the inner wall of the ring cover 5, and the lens block 1 is located in the range surrounded by the plurality of spacing pieces 43, so that the spacing pieces 43 can limit the position of the ring cover 5, the ring cover 5 is not easy to shake, and the structural stability of the whole optical lens assembly is improved.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an optical lens assembly, its characterized in that, includes lens piece (1), light source module (2), snoot (3) and radiator (4), light source module (2) include light-passing board (21) and connect in LED lamp body board (22) of light-passing board (21), install in radiator (4) LED lamp body board (22), light-passing board (21) are provided with the protruding (212) of short-distance beam protruding (211) and a plurality of distance light, the protruding degree of distance light protruding (212) is greater than the protruding (211) of short-distance beam and a plurality of distance light protruding (212) are located the both sides of short-distance beam protruding (211) respectively, snoot (3) are flaring structure and it is provided with two openings, one side opening in snoot (3) is installed in lens piece (1), the protruding (211) of short-distance beam and distance light protruding (212) are the other side opening in snoot (3).

2. The optical lens assembly of claim 1, wherein one side of the lens block (1) facing the light source module (2) is a plane, the other side of the lens block (1) protrudes outwards, the cambered surface of the lens block (1) protrudes outwards extends to the lower end edge, and the thickness of the lens block (1) at the upper end edge is greater than that of the lens block at the lower end edge.

3. Optical lens assembly according to claim 2, characterized in that the lens block (1) is provided with a ring cover (5), the ring cover (5) is fixed to the heat sink (4), the lens block (1) is snapped into the ring cover (5) and the outer protrusion of the lens block (1) is located outside the opening of the ring cover (5).

4. The optical lens assembly as claimed in claim 1, wherein the heat sink (4) is provided with a fixing groove (41), the LED lamp body plate (22) is mounted in the fixing groove (41), and the heat sink (4) is provided with a plurality of heat dissipating ports, and the heat dissipating ports are communicated with the fixing groove (41).

5. Optical lens assembly according to claim 1, characterized in that the side of the heat sink (4) facing away from the lens block (1) is provided with a plurality of heat dissipating fins (42).

6. The optical lens assembly of claim 4, wherein the light-gathering cover (3) is provided with a mounting leg (31), a groove wall of the fixing groove (41) is provided with a limiting opening (44), and the mounting leg (31) is inserted into the limiting opening (44).

7. Optical lens assembly according to claim 3, wherein the heat sink (4) is provided with a plurality of position-limiting tabs (43), the position-limiting tabs (43) abut against the inner wall of the annular cover (5), and the lens block (1) is located between the plurality of position-limiting tabs (43).