CN213118958U

CN213118958U - Optical lens

Info

Publication number: CN213118958U
Application number: CN202022047694.8U
Authority: CN
Inventors: 王宇
Original assignee: Dongguan Airi Yidi Optoelectronics Technology Co ltd
Current assignee: Dongguan Airi Yidi Optoelectronics Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-04
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses an optical lens, including the lens body, lens body surface week is equipped with step portion along the ring, step portion one end is close to the hot runner and sets up to advancing gluey end, step portion surface week is along setting up the inclined plane to up the tilt up outwards from bottom to top, axis position is provided with the holding chamber that is used for placing LED lamp pearl in lens body bottom surface, centers on the holding chamber interval is provided with the reference column all around. The utility model can adopt the ultrasonic jig to trim the water gap, and the position of the trimmed water gap can keep smooth, and the quality of the lens product can not be influenced; in addition, the glue inlet end is positioned in the middle of the lens body, so that the glue inlet of the lens body is uniform; in addition, be provided with the reference column in lens body bottom surface, be favorable to lens body and lamp plate erection joint.

Description

Optical lens

Technical Field

The utility model relates to a lens production field, in particular to optical lens.

Background

In current direct-type backlight, light rays between adjacent LED lights are interlaced to produce a backlight with uniform brightness. The optical lens is made by feeding glue into a mold, cooling and forming, and a small amount of water gaps still remain after the existing optical lens structure is formed and trimmed, so that the product quality is poor; in addition, optical lens bottom surface adopts planar structure, through optical lens bottom surface structure and lamp plate welding, because optical lens is small, when optical lens welds on the lamp plate, the position between good control lens and the lamp plate often leads to lens to deviate the lamp pearl position on the lamp plate to it is inhomogeneous to send out light by lens.

Disclosure of Invention

An object of the utility model is to provide an optical lens to above-mentioned problem.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does:

the utility model provides an optical lens, includes the lens body, lens body surface periphery is equipped with the step portion along the ring, step portion one end is close to the hot runner and sets up to advancing gluey end, step portion surface periphery sets up to the inclined plane of up outwards slope from bottom to top, lens body bottom surface axis position is provided with the holding chamber that is used for placing LED lamp pearl, centers on holding chamber interval is provided with the reference column all around.

As an optimized scheme of the utility model, the inclined plane with contained angle between the lens body axis is 15.

As the preferred scheme of the utility model, it is 1.5mm to advance gluey end width, it is 0.6mm to advance gluey end height.

As a preferred embodiment of the present invention, the lens body and the step portion are an integrally formed structure.

As the utility model discloses a preferred scheme, the holding chamber include first recess with set up in the second recess of the last groove face of first recess, first groove depth is less than second groove depth.

As the utility model discloses a preferred scheme, first recess include first side cell face and be connected with first side cell face go up the cell face, first side cell face up gradually from bottom to top first recess axis slope.

As the preferred embodiment of the present invention, the second groove includes a second side groove surface, and the second side groove surface is set as a circular arc curved surface.

As the preferred proposal of the utility model, the groove diameter of the second groove is gradually narrowed from bottom to top.

As the preferred proposal of the utility model, the diameter of the positioning column is gradually narrowed from the top down.

The utility model has the advantages that: the optical lens of the utility model sets one end of the step part as the glue inlet end, and the outer surface of the glue inlet end as the inclined plane, the included angle between the inclined plane and the central axis of the lens body is 15 degrees, the width of the glue inlet end is 1.5mm, and the height of the glue inlet end is 0.6mm, so that the water gap can be trimmed by adopting an ultrasonic jig, and the position of the trimmed water gap can be kept smooth, and the quality of the lens product can not be influenced; in addition, the glue inlet end is positioned in the middle of the lens body, so that the glue inlet of the lens body is uniform; in addition, be provided with the reference column in lens body bottom surface, be favorable to lens body and lamp plate erection joint.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of an optical lens in an embodiment of the invention;

fig. 2 is a schematic diagram of an internal structure of an optical lens in an embodiment of the present invention;

fig. 3 is a schematic diagram of glue feeding of an optical lens according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1 to 3, an optical lens in an optional embodiment includes a lens body 1, a step portion 10 is circumferentially disposed on a periphery of an outer surface of the lens body 1, one end of the step portion 10 is close to a hot runner and is set as a glue inlet end 100, a slope 101 that is inclined from bottom to top to outside is disposed on a periphery of the outer surface of the step portion 10, an accommodating cavity 11 for accommodating an LED lamp bead is disposed on a bottom surface of the lens body 1 along an axial line, and positioning pillars 12 are disposed around the accommodating cavity 11 at intervals.

In the optical lens in this embodiment, the upper surface of the lens body 1 is configured as an arc spherical surface protruding upward, the refraction groove 13 recessed toward the inside of the lens body 1 is provided at the axial position on the upper surface of the lens body 1, and the center position of the bottom surface of the refraction groove 13 is recessed toward the axial position on the lens body 1.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the inclined surface 101 forms an angle of 15 ° with a central axis of the lens body 1.

In the optical lens in this embodiment, the included angle between the inclined plane 101 and the central axis of the lens body 1 is 15 degrees, which is beneficial to the separation and cutting of the lens body 1 and the nozzle, and the glue inlet end 100 of the lens body 1 can keep a smooth surface after cutting, so that the peripheral edge of the lens body 1 is more smooth, and the product quality is better.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the width of the glue inlet end 100 is 1.5mm, and the height of the glue inlet end 100 is 0.6 mm.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the lens body 1 and the step portion 10 are in an integral structure.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the accommodating cavity 11 includes a first groove 110 and a second groove 111 disposed on an upper groove surface of the first groove 110, and a depth of the first groove 110 is smaller than a depth of the second groove 111.

In the optical lens in this embodiment, since the LED lamp bead lens is larger and mostly cylindrical or spherical, the volume of the second groove 111 is larger than that of the first groove 110, which is beneficial for storing or accommodating the LED lamp bead and protecting the LED lamp bead, so that the LED lamp bead does not touch the second side groove surface of the second groove 111;

in addition, the groove diameter of the first groove 110 is larger than that of the second groove 111, so that the LED lamp beads can smoothly enter the second groove 111, and in addition, part of electrical components on the lamp panel can be covered by the first groove 110;

in addition, the downward protrusion in lens body 1 bottom surface is formed with location round platform 13, and this round platform cooperates with the constant head tank on the lamp plate, and when installing lens, the reference column 12 of lens body 1 bottom surface inserts in the middle of the constant head tank that matches with reference column 12, and the location round platform 13 of lens body 1 bottom surface inserts in the middle of the constant head tank that matches with location round platform 13 to make lens body 1 and lamp plate can the location be connected, increase the stability of being connected between lens body 1 and the lamp plate.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the first groove 110 includes a first side groove surface and the upper groove surface connected to the first side groove surface, and the first side groove surface is gradually inclined from bottom to top toward a central axis of the first groove 110.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the second groove 111 includes a second side groove surface, and the second side groove surface is configured as a circular arc curved surface.

In the optical lens in this embodiment, the central axis position of the top of the second groove 111 projects upward into the lens body 1 and forms a tip portion.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the groove diameter of the second groove 111 is gradually narrowed from bottom to top.

Referring to fig. 1 to 3, in an alternative embodiment of the optical lens, the positioning pillar 12 is tapered from top to bottom in diameter.

The optical lens of the utility model sets one end of the step part 10 as the glue inlet end 100, and the outer surface of the glue inlet end 100 as the inclined plane 101, the included angle between the inclined plane 101 and the central axis of the lens body 1 is 15 degrees, and the width of the glue inlet end 100 is 1.5mm, the height is 0.6mm, so that the ultrasonic jig can be adopted to trim the water gap, and the trimmed water gap position can keep smooth, and the quality of the lens product can not be influenced; in addition, the glue inlet end 100 is positioned in the middle of the lens body 1, so that the glue inlet of the lens body 1 is uniform; in addition, be provided with reference column 12 in lens body 1 bottom surface, be favorable to lens body 1 and lamp plate erection joint.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an optical lens, its characterized in that, includes the lens body, lens body surface week is equipped with the step portion along the ring, step portion one end is close to the hot runner and sets up to advancing gluey end, step portion surface week is along setting up the inclined plane of upwards inclining outward from bottom to top, axis position is provided with the holding chamber that is used for placing LED lamp pearl in the lens body bottom surface, centers on holding chamber interval all around is provided with the reference column.

2. An optical lens as claimed in claim 1, wherein the angle between the inclined surface and the central axis of the lens body is 15 °.

3. An optical lens as claimed in claim 1, wherein the width of the glue inlet is 1.5mm, and the height of the glue inlet is 0.6 mm.

4. An optical lens as claimed in claim 1, wherein the lens body and the step portion are of an integrally molded structure.

5. An optical lens as claimed in claim 1, wherein the receiving cavity comprises a first groove and a second groove disposed on an upper groove surface of the first groove, and the first groove depth is smaller than the second groove depth.

6. The optical lens as claimed in claim 5, wherein the first groove includes a first side groove surface and the upper groove surface connected to the first side groove surface, and the first side groove surface is gradually inclined from bottom to top toward the central axis of the first groove.

7. An optical lens as claimed in claim 5, wherein the second groove comprises a second side groove surface, and the second side groove surface is configured as a circular arc curved surface.

8. An optical lens as claimed in claim 5, wherein the groove diameter of the second groove is gradually narrowed from bottom to top.

9. An optical lens as claimed in claim 5, wherein the diameter of the positioning post is gradually narrowed from top to bottom.