CN216531498U

CN216531498U - Promote camera module and terminal equipment of two base structural strength

Info

Publication number: CN216531498U
Application number: CN202123162007.8U
Authority: CN
Inventors: 王军
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-13
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a camera module and a terminal device for improving the structural strength of double bases, wherein the camera module comprises: the PCB base comprises a first side wall which is encircled to form a first light hole, the first end of the first side wall is fixed with a PCB with an image sensor, the second end of the first side wall is a step-shaped first combining surface, and the first combining surface is step-shaped from the center to the periphery of the PCB base; the lens base comprises a second side wall surrounding a second light hole, a lens is fixed at the first end of the second side wall, and a second end of the second side wall is a step-shaped second combination surface, wherein the second combination surface is matched with the first combination surface, and the second combination surface is attached to the first combination surface and fixed. According to the utility model, the attaching area of the first combining surface and the second combining surface is increased, and the capability of the PCB base and the lens base for resisting the transverse thrust can be increased through the vertical parts which are staggered together, so that the structural strength of the camera module is increased.

Description

Promote camera module and terminal equipment of two base structural strength

Technical Field

The utility model relates to the technical field of camera shooting, in particular to a camera module for improving structural strength of double bases and terminal equipment.

Background

As shown in fig. 1 and 2, the double-base fixed-focus AA-class camera module realizes fixed focus by adjusting the relative distance between two bases through an AA process. The double-base fixed-focus AA camera module is widely applied to intelligent hardware terminal equipment such as an industrial camera.

The traditional double-base fixed-focus AA camera module is processed by the steps that one base 1 ' is fixed to a PCB with an image sensor after being pasted with an IR (optical filter), the other base 2 ' is fixed to a lens, and the two assemblies are adjusted to be AA and then are fixed through glue 3 ' in an adhesion mode. Because the two bases 1 ' and 2 ' are connected by the glue 3 ', the overall strength of the camera module is poorer than that of the design scheme of one base, and particularly, when the lens part is subjected to transverse thrust (as shown by an arrow in fig. 2), the two bases are easy to separate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a camera module for improving the structural strength of double bases and terminal equipment, which are used for solving the problem that the fixing firmness between the double bases is poor in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a promote camera module of two base structural strength, includes:

the PCB base comprises a first side wall which is encircled to form a first light hole, a PCB with an image sensor is fixed at a first end of the first side wall, and a step-shaped first combining surface is arranged at a second end of the first side wall, wherein the first combining surface is step-shaped from the center to the periphery of the PCB base;

the lens base comprises a second side wall surrounding a second light hole, the first end of the second side wall is used for fixing the lens, and the second end of the second side wall is a step-shaped second combination surface, wherein the second combination surface is matched with the first combination surface, and the second combination surface is fixedly attached to the first combination surface.

Optionally, along the outer circumference to the center direction of the PCB base, the inner side of the first sidewall protrudes from the inner side of the second sidewall.

Optionally, the first combining surface and the second combining surface are both two steps.

Optionally, the width of each step of the first combining surface is the same.

Optionally, the width of the first bonding surface is greater than 1 mm.

Optionally, the first combining surface and the second combining surface are fixed by gluing.

Optionally, in a direction from the periphery to the center of the PCB base, each step of the first bonding surface gradually protrudes toward the second end of the PCB base.

Optionally, the glue is a common glue.

Optionally, the thickness of the glue at the vertical part between the first combining surface and the second combining surface is 0.15-0.2 mm.

Still provide a terminal equipment, include above-mentioned any one the camera module.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

after the PCB base and the lens base are fixed, the first combining surface and the second combining surface are combined together in a staggered mode through the step-shaped structures to form an annular blocking wall, so that the bonding area of glue is increased, namely the contact area of the first combining surface and the second combining surface is increased, the capability of resisting transverse thrust of the PCB base and the lens base can also be increased through the vertical parts which are combined in a staggered mode, and therefore the structural strength of the camera module is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof illustrate the present invention and do not constitute a limitation of the present invention. In the drawings:

fig. 1 is a schematic structural diagram of a camera module disclosed in the prior art;

fig. 2 is a side sectional view of a camera module disclosed in the prior art;

fig. 3 is an exploded schematic view of a camera module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lens mount disclosed in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a PCB base disclosed in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a camera module according to an embodiment of the present invention.

Wherein the following reference numerals are specifically included in figures 1-6:

PCB base-1'; a lens base-2';

a PCB base-1; a lens mount-2; glue-3; a first sidewall-11; a first light-transmitting hole-12; a first bonding surface-111;

a second side wall-21; a second light-transmitting hole-22; second bonding surface-211.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The camera module is used for improving the structural strength of the double bases. As shown in fig. 3, 4 and 5, the camera module includes a PCB base 1, an image sensor, a PCB, a lens and a lens base 2. The middle of the PCB base 1 is a first light hole 12, the first light hole 12 is surrounded by the first sidewall 11, and the second end of the first sidewall 11 is configured to be a stepped first combining surface 111, that is, the first combining surface 111 is a stepped structure extending from the center of the PCB base 1 to the outer axis. The middle of the lens base 2 is a second light hole 22, the second light hole 22 is surrounded by the second sidewall 21, the second end of the second sidewall 21 is configured to be a step-shaped second combining surface 211, and the second combining surface 211 is adapted to the first combining surface 111.

When assembling the camera module, fix the image sensor in the front of PCB, then make the front of PCB towards PCB base 1 and fix in the first end of PCB base 1, i.e. the first end of first lateral wall 11. The lens is mounted at a first end of the lens mount 2, i.e. a first end of the second side wall 21. The first bonding surface 111 of the PCB base 1 is then aligned with the second bonding surface 211 of the lens base 2 and fixed by the glue 3, as shown in fig. 6, wherein the arrows of fig. 6 indicate the lateral pushing force. After the PCB base 1 and the lens base 2 are fixed, the first combining surface 111 and the second combining surface 211 are combined together in a staggered manner through a step-shaped structure to form an annular blocking wall, so that the vertical contact area of the first combining surface 111 and the second combining surface 211 is increased, the bonding area of the glue 3 is increased, and the capability of resisting the transverse thrust of the PCB base 1 and the lens base 2 can also be increased through the staggered vertical parts, thereby increasing the structural strength of the camera module.

Further, the step located inside the PCB base 1 may protrude from the step located outside the PCB base 1 toward the second end of the PCB base 1, that is, along the outer circumference to the center direction of the PCB base 1, each step of the first combining surface 111 gradually protrudes toward the second end of the PCB base 1. Because the fixed PCB that is of PCB base 1 first end, when equipment PCB base 1 and camera lens base 2, can place PCB base 1 first end on the holding surface, make PCB base 1 second end up, then scribble on PCB base 1 and establish glue 3, then fix camera lens base 2 on PCB base 1. Therefore, the glue 3 is convenient to coat, and the influence on the camera shooting effect and the like caused by the overflow of the glue 3 to the light holes is reduced; and when assembling the PCB base 1 and the lens base 2, the risk of damage to the lens, etc. can be reduced.

The first combining surface 111 of the PCB base 1 and the second combining surface 211 of the lens base 2 may be two-step stepped structures, that is, the first combining surface 111 of the PCB base 1 and the second combining surface 211 of the lens base 2 are two upper and lower planes respectively. The widths of the steps of the first coupling surface 111 may be the same. The width of the first coupling surface 111 is preferably greater than 1mm, in which case the width of each step of the first coupling surface 111 is greater than 0.5 mm. By the arrangement, the first combining surface 111 and the second combining surface 211 can be conveniently processed, and the processing errors of the first combining surface 111 and the second combining surface 211 are reduced; the thickness of the side wall forming each step is ensured, and the risk of the side wall forming each step being broken is reduced.

In addition, as shown in fig. 6, the inner side of the first sidewall 11 of the PCB chassis 1 may be flush with the inner side of the second sidewall 21 of the lens chassis 2, i.e., the lateral width of the first combining surface 111 (the dimension along the outer periphery to the center direction of the PCB chassis 1) is equal to the lateral width of the second combining surface 211. The inner side of the first sidewall 11 may also protrude from the second sidewall 21 toward the center of the PCB chassis 1, i.e. the lateral width of the first combining surface 111 is greater than the lateral width of the second combining surface 211. The inner side of the first sidewall 11 preferably protrudes from the second sidewall 21 toward the center of the PCB base 1, so as to effectively increase the strength of the first sidewall 11 on the first bonding surface 111 and reduce the risk of breaking the first sidewall 11 on the first bonding surface 111 on the premise of ensuring the imaging effect.

The outer step width of the second combining surface 211 of the lens base 2 may be slightly smaller than the outer step width of the first combining surface 111 of the PCB base 1, in one example, the outer step width of the second combining surface 211 is 0.15-0.2mm smaller than the outer step width of the first combining surface 111, that is, the thickness W (the thickness is the size from the periphery to the center of the PCB base 1) of the vertical part of the glue 3 between the first combining surface 111 and the second combining surface 211 is 0.15-0.2mm, and is used for adjusting the optical center position of the lens when filling the glue 3 and the AA.

Glue 3 can be ordinary glue 3, and ordinary glue 3 is the same with ordinary glue 3, namely the main component is water, adds some polyvinyl alcohol, white latex, sodium stearate, talcum powder, urea, ethylene glycol, sucrose and essence. Ordinary glue 3's is with low costs, can effectively reduce the cost of camera module.

The terminal equipment comprises the camera module. In the terminal equipment, after the PCB base 1 and the lens base 2 are fixed, the first combining surface 111 and the second combining surface 211 are combined together in a staggered mode through a step-shaped structure to form an annular blocking wall, so that the bonding area of glue 3 is increased, namely the contact area of the first combining surface 111 and the second combining surface 211 is increased, the capability of resisting transverse thrust of the PCB base 1 and the lens base 2 can also be increased through vertical parts which are combined in a staggered mode, and the structural strength of the camera module is increased.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a promote camera module of two base structural strength which characterized in that includes:

2. The camera module of claim 1, wherein an inner side of the first sidewall protrudes from an inner side of the second sidewall along a peripheral-to-central direction of the PCB base.

3. The camera module for improving the structural strength of the double base according to claim 1, wherein the first combining surface and the second combining surface are both two steps.

4. The camera module for improving the structural strength of double base according to claim 3, wherein the width of each step of the first combining surface is the same.

5. The camera module for improving the structural strength of double bases according to any one of claims 1 to 4, wherein the width of the first bonding surface is greater than 1 mm.

6. The camera module for improving the structural strength of double bases according to any one of claims 1 to 4, wherein the first combining surface and the second combining surface are fixed by gluing.

7. The camera module for improving the structural strength of the dual base as claimed in claim 6, wherein along the peripheral to central direction of the PCB base, each step of the first combining surface gradually protrudes toward the second end of the PCB base.

8. The camera module of improving the structural strength of the double base according to claim 6, wherein the glue is a common glue.

9. The camera module for improving the structural strength of double bases according to claim 6, wherein the thickness of the vertical part of the glue between the first combining surface and the second combining surface is 0.15-0.2 mm.

10. A terminal device, characterized in that it comprises a camera module according to any one of claims 1-9.