CN216600247U

CN216600247U - FPC limit structure, lens module and electronic equipment

Info

Publication number: CN216600247U
Application number: CN202123238012.2U
Authority: CN
Inventors: 曾正德; 杨胜杰
Original assignee: Luxvisions Innovation Ltd
Current assignee: Luxvisions Innovation Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-24
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a Flexible Printed Circuit (FPC) limiting structure, a lens module and electronic equipment, and belongs to the technical field of electronic products. The electronic equipment comprises a lens module. The lens module comprises an FPC limit structure. FPC limit structure includes shell, inner support, FPC and locating part. The inner support is arranged in the shell, and the outer wall of the inner support and the inner wall of the shell are arranged at intervals to form a limiting space; the FPC comprises an electric connection end, a movable connection section and a fixed end which are connected in sequence, wherein the movable connection section is arranged in the limit space, the electric connection end extends to the lower part of the inner support after being bent, and the fixed end extends to the outside of the shell after being bent; the limiting part is connected to the outer wall of the inner support and is located in the limiting space to limit the movable connecting section. The utility model can protect the FPC, reduce the rebound stress of the FPC after bending, and increase the displaceable space of the FPC, thereby reducing the influence on the actuating force of the brake for driving the image sensor.

Description

FPC limit structure, lens module and electronic equipment

Technical Field

The utility model relates to the technical field of electronic products, in particular to a Flexible Printed Circuit (FPC) limiting structure, a lens module and electronic equipment.

Background

A Flexible Printed Circuit (FPC), which is also called a Flexible Printed Circuit (FPC), is widely used in various electronic devices due to its excellent characteristics such as light weight, thin thickness, and free bending and folding. In some electronic devices, the FPC may generate a certain displacement during use, for example: in the mobile phone, in order to maintain the stability of the image under the condition of vibration, the substrate and the sensor shift on the substrate are driven to move through the brake, so that the FPC connected with the substrate is driven to move. Because the FPC material is softer, the risk of interference, pulling and tearing with other parts can be caused in the moving process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an FPC (flexible printed circuit) limiting structure which can protect an FPC and reduce the resilience of the FPC after bending.

A second objective of the present invention is to provide a lens module, which can improve the service life of the lens module by providing the FPC limit structure.

A third objective of the present invention is to provide an electronic device, wherein the lens module is disposed to stabilize signal transmission and prolong the service life.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a FPC limit structure comprises a shell, an inner support, an FPC and a limiting piece. The inner support is arranged in the shell, and the outer wall of the inner support and the inner wall of the shell are arranged at intervals to form a limiting space; the FPC comprises an electric connection end, a movable connection section and a fixed end which are sequentially connected, the movable connection section is arranged in the limiting space, the electric connection end extends to the lower part of the inner support after being bent, and the fixed end extends to the outside of the shell after being bent; the limiting part is connected to the outer wall of the inner support and is located in the limiting space to limit the movable connecting section.

Optionally, the limiting member includes at least one hook, one end of the hook is connected to the outer wall of the inner bracket, and the other end of the hook is hooked to the side surface of the movable connecting section facing the outer shell.

Optionally, the hook is disposed at an end of the movable connecting section close to the electrical connection end.

Optionally, the limiting member includes a hook, the movable connecting section is provided with a through hole, one end of the hook is connected to the inner bracket, and the other end of the hook penetrates through the through hole and then is hooked on a side surface of the movable connecting section facing the housing.

Optionally, the extending direction of the electrical connection end is perpendicular to the extending direction of the movable connection section.

Optionally, an avoidance groove is formed in the inner support at a bending position corresponding to the electrical connection end, and the electrical connection end penetrates through the avoidance groove.

A lens module comprises the FPC limiting structure, a substrate and an image sensor, wherein the substrate is arranged below an inner support, an electric connection end is connected to the substrate, and the image sensor is connected to the substrate.

Optionally, the image sensor further comprises a supporting seat, the supporting seat is arranged below the inner support, the substrate is arranged below the supporting seat, and avoidance holes are formed in the positions, corresponding to the image sensor, of the inner support and the supporting seat.

An electronic device comprises the lens module.

The utility model has the beneficial effects that:

according to the FPC limiting structure, the FPC is limited in the limiting space formed by the shell and the inner support through the limiting piece, the FPC cannot interfere with other parts, so that the risk that the FPC is pulled and torn is reduced, the FPC is limited through the limiting piece, the resilience of the FPC after being bent can be reduced, the reject ratio of the bent shape of the FPC is reduced, the displaceable space of the FPC is enlarged, and the FPC can offset displacement when moving under the driving force through the arrangement of the movable connecting section of the FPC, so that the pulling force applied to the FPC is reduced; in addition, FPC can be protected through the setting of shell to FPC's life can further be improved.

According to the lens module, the FPC limiting structure is arranged, so that the resilience stress of the FPC after bending is reduced, and the displaceable space of the FPC is enlarged, the influence on the actuating force of the brake for driving the image sensor is reduced, the FPC can be protected, the damage to the FPC is reduced, and the service life of the lens module can be prolonged.

According to the electronic equipment, the lens module is arranged, the FPC can be protected, and the service life of the lens module is long, so that signal transmission is stable, and the service life is prolonged.

Drawings

Fig. 1 is a perspective view of a lens module according to a first embodiment of the present invention;

fig. 2 is a perspective view of the FPC holding structure provided in the first embodiment of the present invention with the outer cover removed;

fig. 3 is an exploded view of a lens module according to an embodiment of the utility model;

fig. 4 is a perspective view of a lens module according to a second embodiment of the present invention;

fig. 5 is a perspective view of the FPC holding structure according to the second embodiment of the present invention with the outer cover removed;

fig. 6 is an exploded view of a lens module according to a second embodiment of the present invention.

In the figure:

11. a housing; 111. a side plate;

12. an inner support; 121. an avoidance groove;

13. FPC; 131. an electrical connection terminal; 132. a movable connection section; 1321. a through hole; 133. a fixed end;

14. a limiting member; 141. hooking;

15. a limiting space;

2. a substrate; 3. an image sensor; 4. a supporting seat; 5. avoiding the hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present 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. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings of fig. 1-6.

Example one

The present embodiment provides an electronic device, which may be a mobile phone, a camera, etc., and is not limited herein. The electronic equipment comprises a lens module. The lens module comprises an FPC limit structure, a substrate 2, an image sensor 3 and a supporting seat 4.

As shown in fig. 1 to 3, the FPC spacing structure includes a housing 11, an inner chassis 12, an FPC13, and a spacer 14. In some alternative embodiments, the housing 11 is a frame-shaped structure, and the housing 11 includes four side plates 111 connected end to end. The inner support 12 is disposed inside the outer shell 11, and an outer wall of the inner support 12 and an inner wall of the outer shell 11 are spaced apart to form a spacing space 15. The FPC13 includes an electrical connection end 131, a movable connection section 132 and a fixed end 133 connected in sequence, the movable connection section 132 is disposed in the spacing space 15, the electrical connection end 131 is bent and then extends to the lower side of the inner bracket 12, and the fixed end 133 is bent and then extends to the outside of the housing 11. The limiting member 14 is connected to the outer wall of the inner frame 12 and located in the limiting space 15 to limit the movable connecting section 132.

In this embodiment, the FPC13 is limited in the limiting space 15 formed by the housing 11 and the inner bracket 12 by the limiting member 14, the FPC13 does not interfere with other parts, so that the risk of tearing of the FPC13 due to pulling is reduced, the FPC13 is limited by the limiting member 14, the resilience of the FPC13 after bending can be reduced, the reject ratio of the bending shape of the FPC13 is reduced, the displaceable space of the FPC13 is increased, and the FPC13 can offset the displacement when being moved by a driving force due to the arrangement of the movable connecting section 132 of the FPC13, so that the pulling force applied to the FPC13 is reduced; in addition, the provision of the housing 11 can protect the FPC13, and the service life of the FPC13 can be further improved.

As shown in fig. 2, the limiting member 14 includes at least one hook 141, one end of the hook 141 is connected to the outer wall of the inner bracket 12, and the other end of the hook 141 is hooked on the side of the movable connecting section 132 facing the housing 11, so that the bent FPC13 can be prevented from rebounding by the hook 141. In this embodiment, preferably, three hooks 141 are provided, and the three hooks 141 are distributed on different sides of the movable connecting section 132, so as to reliably limit the FPC 13.

In detail, the hook 141 is provided at an end of the movable connecting section 132 near the electrical connection end 131. It can be understood that the FPC13 bounces at the bend, and the hook 141 is disposed at the position to limit the FPC13 and make the movable connecting section 132 in a floating state to compensate for the displacement.

Alternatively, the electrical connection terminals 131 extend in a direction perpendicular to the direction in which the movable connection segments 132 extend. In this way, the plane of the movable connection section 132 can be parallel to the inner wall of the housing 11, so that the movable space of the movable connection section 132 is large, the risk of interference and pulling of the FPC13 and other parts is reduced, and meanwhile, the plane of the electrical connection end 131 can be parallel to the plane of the PCB, so that the connection between the electrical connection end 131 and the PCB can be facilitated.

As shown in fig. 3, an avoiding groove 121 is formed at a bending portion of the inner bracket 12 corresponding to the electrical connection end 131, and the electrical connection end 131 penetrates through the avoiding groove 121. The bending part of the electric connection end 131 is arranged in the avoiding groove 121, so that friction between the position and other parts can be reduced, a protection effect is achieved, and the whole structure is more compact.

Further, as shown in fig. 1 and 3, the substrate 2 is disposed below the inner holder 12, the electrical connection terminal 131 is connected to the substrate 2, and the image sensor 3 is connected to the substrate 2, so that signals of the image sensor 3 can be led out through the FPC 13. In some alternative embodiments, the substrate 2 comprises a PCB board.

Furthermore, the supporting base 4 is disposed below the inner frame 12, the substrate 2 is disposed below the supporting base 4, and the avoiding holes 5 are disposed at positions corresponding to the image sensor 3 on the inner frame 12 and the supporting base 4. The inner bracket 12 and the parts arranged on the inner bracket 12 are supported by the supporting seat 4. In detail, the lens module further includes a stopper (e.g., VCM) disposed on the inner frame 12, and a lens assembly (not shown) disposed on the stopper, and an execution end of the stopper can drive the image sensor 3 to move. Since the stopper 14 can reduce the resilient stress after bending the FPC13 and increase the space in which the FPC13 can be displaced, the influence on the actuation force of the actuator that drives the image sensor 3 can be reduced. The specific arrangement of the lens assembly and the stopper is a conventional technical means for those skilled in the art, and will not be described herein. It can be understood that, electronic equipment is under the state of quiescence, by image sensor ware 3, optical axis and object that the lens of camera lens subassembly extends out are on a straight line, when user handheld electronic equipment and lead to the electronic equipment shake, the camera lens module follows the shake, the object is adjusted well to the unable accuracy of optical axis, thereby lead to making to shoot, the effect of recording is relatively poor, consequently need stopper drive image sensor ware 3 to remove, make the optical axis adjust to just to the object, thereby can improve the effect of shooing, the recording. The moving frequency of the image sensor 3 is matched with the shaking frequency of the lens module, and the optical axis can be continuously aligned with the object.

Example two

The present embodiment provides an electronic device, which may be a mobile phone, a camera, etc., and is not limited herein. The electronic equipment comprises a lens module. The lens module comprises an FPC limit structure. The working principle of the FPC limit structure in this embodiment is the same as that of the FPC limit structure in the first embodiment, and the same parts are not described herein again, but the differences are:

as shown in fig. 4 to 6, the limiting member 14 includes a hook 141, the movable connecting section 132 is provided with a through hole 1321, one end of the hook 141 is connected to the inner bracket 12, and the other end of the hook 141 penetrates through the through hole 1321 and then is hooked on the side surface of the movable connecting section 132 facing the housing 11, so that the hook 141 can limit the FPC13 and prevent the bent FPC13 from rebounding.

Further, a hook 141 is provided at an end of the movable connecting section 132 near the electrical connection end 131. It can be understood that the FPC13 bounces at the bend, and the hook 141 can be set at the position to limit the FPC13 and make the movable connecting section 132 in a floating state to compensate the displacement.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a FPC limit structure which characterized in that includes:

a housing (11);

the inner support (12) is arranged in the shell (11), and the outer wall of the inner support (12) and the inner wall of the shell (11) are arranged at intervals to form a limiting space (15);

the FPC (13) comprises an electric connection end (131), a movable connection section (132) and a fixed end (133) which are sequentially connected, the movable connection section (132) is arranged in the limiting space (15), the electric connection end (131) extends to the lower portion of the inner support (12) after being bent, and the fixed end (133) extends to the outside of the shell (11) after being bent; and

the limiting part (14) is connected to the outer wall of the inner support (12) and is located in the limiting space (15) to limit the movable connecting section (132).

2. The FPC spacing structure according to claim 1, wherein the spacing member (14) comprises at least one hook (141), one end of the hook (141) is connected to the outer wall of the inner bracket (12), and the other end of the hook (141) is hooked to the side of the movable connecting section (132) facing the housing (11).

3. The FPC restraining structure of claim 2, wherein the hook (141) is disposed at an end of the movable connection section (132) near the electrical connection end (131).

4. The FPC limiting structure according to claim 1, wherein the limiting member (14) comprises a hook (141), the movable connecting segment (132) defines a through hole (1321), one end of the hook (141) is connected to the inner bracket (12), and the other end of the hook passes through the through hole (1321) and then is hooked on a side surface of the movable connecting segment (132) facing the housing (11).

5. The FPC restraining structure according to claim 4, wherein the hook (141) is disposed at an end of the movable connection section (132) near the electrical connection end (131).

6. The FPC spacing structure of any of claims 1-5, wherein the direction of extension of the electrical connection end (131) is perpendicular to the direction of extension of the movable connection segment (132).

7. The FPC limiting structure according to any one of claims 1 to 5, wherein an avoidance groove (121) is formed in a bent portion of the inner bracket (12) corresponding to the electrical connection end (131), and the electrical connection end (131) penetrates through the avoidance groove (121).

8. A lens module comprising the FPC holding structure of any one of claims 1 to 7, a substrate (2) and an image sensor (3), wherein the substrate (2) is disposed under the inner frame (12), the electrical connection terminals (131) are connected to the substrate (2), and the image sensor (3) is connected to the substrate (2).

9. The lens module according to claim 8, further comprising a support base (4), wherein the support base (4) is disposed below the inner support (12), the substrate (2) is disposed below the support base (4), and avoidance holes (5) are disposed at positions corresponding to the image sensor (3) on the inner support (12) and the support base (4).

10. An electronic device comprising the lens module of claim 9.