CN210926053U

CN210926053U - LED lens packaging structure

Info

Publication number: CN210926053U
Application number: CN201922209405.7U
Authority: CN
Inventors: 李红; 史海忠
Original assignee: Aurora Ltd
Current assignee: Aurora Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-03
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a LED lens processing technology field discloses a LED lens packaging structure, including packaging base, packaging base top middle part is equipped with the mounting groove, be equipped with the chip on the diapire of mounting groove, the both sides of mounting groove all are equipped with the sliding plate, sliding plate one side is equipped with pushing and pressing mechanism, pushing and pressing mechanism's one end is fixed on the inside wall of mounting groove, the notch of mounting groove is provided with lens, all watering between lens, mounting groove and the sliding plate has the encapsulation glue. The utility model discloses a pushing and pressing mechanism who sets up can bulldoze peripheral encapsulation glue to can not lead to the encapsulation to glue toward peripheral diffusion, guarantee the steadiness of chip and lens, prevent that the encapsulation from gluing to extrude lamp pearl and lens when the heat expansion on cause not hard uply.

Description

LED lens packaging structure

Technical Field

The utility model relates to a LED lens processing technology field especially relates to a LED lens packaging structure.

Background

The conventional optical lens used in the LED lamp has many forms and structures, and the light emitting angle and size of the lens are standardized, but with the rapid development of the LED lamp and the wide application, the LED lamp requires different light emitting angles, and the light emitting angle is determined by using the optical lens.

Through retrieval, chinese patent No. CN203192843U discloses an LED lens package structure, which includes an LED chip, a lens package support and a package glue, wherein the lens package support includes a lens supporting portion and a lens away portion, the lens away portion includes a plasticizing mold, and the plasticizing mold applies force to the lens package support.

The existing lens packaging device has the following defects: when the LED lens is used, the expansion volume of the packaging adhesive is increased due to heat release of the LED chip, and a high-strength extrusion force is formed on the lens, so that the lens can fall off after being used for a long time, and the LED lens is damaged and cannot be used continuously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lens packaging structure, through the pushing and pressing mechanism who sets up, can bulldoze peripheral encapsulation glue to can not lead to the encapsulation glue toward peripheral diffusion, guarantee the advantage of the steadiness of chip and lens, solved current lens packaging hardware in use because the heat release of LED chip leads to the encapsulation to glue the inflation volume increase, formed the extrusion force of great intensity to lens, consequently can lead to the problem that lens drops when using for a long time.

According to the utility model discloses LED lens packaging structure, including packaging base, packaging base top middle part is equipped with the mounting groove, be equipped with the chip on the diapire of mounting groove, the both sides of mounting groove all are equipped with the sliding plate, sliding plate one side is equipped with pushing and pressing mechanism, pushing and pressing mechanism's one end is fixed on the inside wall of mounting groove, the notch of mounting groove is provided with lens, all watering between lens, mounting groove and the sliding plate and having encapsulated glue.

Furthermore, a sliding block is arranged at the top end of the sliding plate, penetrates through the connecting lug and is connected with a limiting plate at the top end of the sliding block.

Further, the engaging lug is connected with the side wall of the lens, and the engaging lug is arranged in a limiting groove on the notch of the mounting groove.

Furthermore, a sliding groove penetrates through the connecting lug, and the sliding block is matched with the sliding groove to slide in the sliding groove.

Furthermore, the both ends of one side that lens were kept away from to the engaging lug all are provided with set screw, set screw run through the engaging lug and with encapsulation base fixed connection.

Further, the pushing mechanism comprises an outer barrel, a groove is formed in the outer barrel, a spring is arranged on the bottom wall of the groove, a movable plate is arranged at the top end of the spring, and two sides of the movable plate extend into a movable groove in the inner wall of the outer barrel.

Furthermore, one side of the movable plate is provided with a connecting column, and one end of the connecting column penetrates through the inner wall of the outer barrel and extends to the outside.

Furthermore, one end of the connecting column is connected with the movable plate, and the movable plate moves backwards after the encapsulation glue is poured so that the spring is in a compressed state.

Further, a layer of heat-resistant film is arranged on the inner wall of the lens, and the heat-resistant film is adhered to the lens.

Further, the sliding block moves within the sliding groove by a distance of 10-15 mm.

Compared with the prior art, the utility model beneficial effect who has is:

1. the pushing and pressing mechanism can push and press the peripheral packaging adhesive, so that the packaging adhesive cannot diffuse towards the periphery, the stability of the chip and the lens is ensured, the packaging adhesive is prevented from being extruded to the lamp bead and the lens to cause looseness when the packaging adhesive is thermally expanded, a sliding plate in the pushing and pressing mechanism is fixed by clamping a sliding block and a sliding groove, the fixing effect is good, the two ends of the lens are connected and connected with a packaging base through fixing screws, and the service life and the reliability of the lamp bead are improved;

2. can high temperature generate heat when the chip uses to lead to the peripheral encapsulation to glue expend with heat and contract with cold, can make the encapsulation glue take place deformation after expend with heat and contract with cold many times, and under the continuous pushing force of pushing and pressing mechanism, can push into the chip once more with the encapsulation glue after the deformation around, guaranteed the normal use of chip.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front sectional view of an LED lens package structure according to the present invention;

fig. 2 is a top view of an LED lens package structure provided in the present invention;

FIG. 3 is an enlarged view of the structure of the area A in FIG. 1;

fig. 4 is a schematic structural diagram of a movable plate in the LED lens package structure according to the present invention.

In the figure: 1-packaging base, 2-mounting groove, 3-chip, 4-lens, 5-fixing screw, 6-sliding plate, 7-sliding block, 8-limiting plate, 9-sliding groove, 10-packaging glue, 11-limiting groove, 12-connecting lug, 13-pushing mechanism, 14-outer cylinder, 15-spring, 16-movable plate, 17-movable groove and 18-connecting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-4, the preferred embodiment of the present invention is shown.

The utility model provides a LED lens packaging structure, including packaging base 1, packaging base 1 top middle part is equipped with mounting groove 2, be equipped with chip 3 on the diapire of mounting groove 2, the both sides of mounting groove 2 all are equipped with sliding plate 6, sliding plate 6 one side is equipped with pushing and pressing mechanism 13, pushing and pressing mechanism 13's one end is fixed on the inside wall of mounting groove 2, the notch of mounting groove 2 is provided with lens 4, all watered packaging adhesive 10 between mounting groove 2 and sliding plate 6, packaging adhesive 10 through setting up, can set into a sealed state in the mounting groove 2, and sealed glue and chip 3, lens 4 laminates mutually, thereby packaging structure's steadiness has been increased.

In this embodiment, the top end of the sliding plate 6 is provided with a sliding block 7, the sliding block 7 penetrates through the connecting lug 12 and is connected with a limiting plate 8 on the top end of the sliding block 7, and the sliding plate 6 can drive the sliding block 7 to move.

Specifically, engaging lug 12 is connected with lens 4's lateral wall, and engaging lug 12 sets up the spacing groove 11 on 2 notches in mounting groove, and spacing groove 11 plays the fixed effect of laminating to engaging lug 12, engaging lug 12 and lens 4 fixed connection or integrated into one piece.

Specifically, the connecting lug 12 is provided with a sliding groove 9 in a penetrating manner, the sliding block 7 is matched with the sliding groove 9 to slide in the sliding groove 9, and therefore the sliding block 7 can be limited by the sliding groove 9 when moving in the sliding groove 9.

Specifically, the two ends of one side of the connecting lug 12, which is far away from the lens 4, are provided with fixing screws 5, and the fixing screws 5 penetrate through the connecting lug 12 and are fixedly connected with the packaging base 1.

In this embodiment, the pushing mechanism 13 includes an outer cylinder 14, a groove is provided in the outer cylinder 14, a spring 15 is provided on a bottom wall of the groove, a movable plate 16 is provided on a top end of the spring 15, both sides of the movable plate 16 extend into a movable groove 17 located on an inner wall of the outer cylinder 14, a connection column 18 is provided on one side of the movable plate 16, and one end of the connection column 18 penetrates through the inner wall of the outer cylinder 14 and extends to the outside.

Specifically, one end of the connecting column 18 is connected to the movable plate 16, and after the encapsulation adhesive 10 is poured, the movable plate 16 moves backwards to make the spring 15 in a compressed state, so that after the encapsulation adhesive 10 expands due to heat, the compression force generated by the spring 15 can directly act.

Specifically, a heat-resistant film is provided on the inner wall of the lens 4, and the heat-resistant film is adhered to the lens 4, thereby preventing the lens 4 from being deformed at high temperature.

Specifically, the sliding block 7 moves within the sliding groove 9 by a distance of 10-15 mm.

This technical scheme is when using, chip 3 can high temperature generate heat when using, thereby lead to peripheral encapsulation glue 10 expend with heat and contract with cold, can make encapsulation glue 10 take place deformation after expend with heat and contract with cold many times, and under the continuous thrust of pushing and pressing mechanism 13, can push chip 3 around with encapsulation glue 10 after the deformation once more, the normal use of chip 3 has been guaranteed, pushing and pressing mechanism 13 through the setting can prevent in addition that encapsulation glue 10 from extruding lamp pearl and lens 4 when expend with heat and causing not hard up, sliding plate 6 in pushing and pressing mechanism 13 realizes fixedly through slider 7 and sliding tray 9 joint, fixed effect is good, and the connection that lens 4 both ends set up and realize being connected with packaging base 1 through set screw 5, the life-span and the reliability of improvement lamp pearl, guarantee LED lens service life.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED lens packaging structure is characterized in that: including packaging base, packaging base top middle part is equipped with the mounting groove, be equipped with the chip on the diapire of mounting groove, the both sides of mounting groove all are equipped with the sliding plate, sliding plate one side is equipped with pushing and pressing mechanism, pushing and pressing mechanism's one end is fixed on the inside wall of mounting groove, the notch of mounting groove is provided with lens, all watering between lens, mounting groove and the sliding plate and having encapsulated glue.

2. The LED lens package structure of claim 1, wherein: the top end of the sliding plate is provided with a sliding block, the sliding block penetrates through the connecting lug, and the top end of the sliding block is connected with a limiting plate.

3. The LED lens package structure of claim 2, wherein: the engaging lug is connected with the side wall of the lens, and the engaging lug is arranged in a limiting groove on the notch of the mounting groove.

4. The LED lens package structure of claim 3, wherein: the connecting lug is provided with a sliding groove in a penetrating mode, and the sliding block is matched with the sliding groove to slide in the sliding groove.

5. The LED lens package structure of claim 4, wherein: the both ends of one side that lens were kept away from to the engaging lug all are provided with set screw, set screw run through the engaging lug and with encapsulation base fixed connection.

6. The LED lens package structure of any one of claims 1-5, wherein: the pushing mechanism comprises an outer barrel, a groove is formed in the outer barrel, a spring is arranged on the bottom wall of the groove, a movable plate is arranged at the top end of the spring, and two sides of the movable plate extend into a movable groove in the inner wall of the outer barrel.

7. The LED lens package structure of claim 6, wherein: one side of the movable plate is provided with a connecting column, and one end of the connecting column penetrates through the inner wall of the outer barrel and extends to the outside.

8. The LED lens package structure of claim 7, wherein: one end of the connecting column is connected with the movable plate, and the movable plate moves backwards after the encapsulation glue is poured so that the spring is in a compressed state.

9. The LED lens package structure of claim 8, wherein: the inner wall of the lens is provided with a layer of heat-resistant film, and the heat-resistant film is adhered to the lens.

10. The LED lens package structure of claim 4, wherein: the sliding distance of the sliding block moving in the sliding groove is 10-15 mm.