CN213023891U

CN213023891U - Lens device

Info

Publication number: CN213023891U
Application number: CN202021446175.2U
Authority: CN
Inventors: 姜华; 冯应飞
Original assignee: Shenzhen Skyworth Automobile Intelligence Co ltd
Current assignee: Shenzhen Skyworth Automobile Intelligence Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-20
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a lens device belongs to on-vehicle camera lens module technical field, for solving the equipment difficulty, can't detect whether the shell fragment switches on technical problem design such as earth and with high costs. The lens device comprises a lens module, an elastic sheet and a metal shell, wherein the elastic sheet comprises a clamping portion and a connecting portion connected with the clamping portion, the clamping portion is clamped on the lens module, one portion of the connecting portion is abutted to the lens module, the other portion of the connecting portion is abutted to the metal shell, and the lens module is arranged on the metal shell in a penetrating mode. The lens device is simple and reliable to assemble, easy to detect whether the ground is connected or not, and reduces the cost.

Description

Lens device

Technical Field

The utility model belongs to the technical field of the on-vehicle camera lens module, especially, relate to a camera lens device.

Background

Based on the existing lens module, the testing requirements of releasing static electricity need to be met under the static electricity testing condition. In the prior art, an elastic sheet is usually riveted on a plastic shell, one end of the elastic sheet is arranged on a printed circuit board of a lens module, and the other end of the elastic sheet is contacted with a conductor through a wire, so that static electricity is conducted away. However, this method has several technical problems: firstly, the assembly is difficult and needs riveting; secondly, the detection device cannot directly contact the elastic sheet, so that whether the elastic sheet is conducted to the ground or not cannot be detected; thirdly, the process is complicated, and the labor and material costs are high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens device, this lens device equipment is simple, reliable, easily detects whether to switch on the ground, the cost is reduced.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a lens device, includes lens module, shell fragment and metal casing, the shell fragment include joint portion and with the connecting portion that joint portion links to each other, joint portion joint is in on the lens module, a part butt of connecting portion is in on the lens module, another part butt is in on the metal casing, the lens module is worn to establish on the metal casing.

Optionally, the clamping portion is an arc-shaped structure.

Optionally, a protrusion facing the metal shell is disposed on the connecting portion, and the protrusion can abut against the metal shell.

Optionally, the end of the connecting portion is a flat end, and the flat end can abut against the lens module.

Optionally, the lens module includes a first lens ring and a second lens ring connected to the first lens ring, and a height difference between the protrusion and the plane end is greater than a height difference between the first lens ring and the second lens ring.

Optionally, a radius of the clamping portion is smaller than a radius of the first lens ring.

Optionally, the width of the interlude of joint portion all is greater than the width at both ends, connecting portion connect in the interlude of joint portion.

Optionally, the shortest distance between the flat end and the protrusion is larger than the thread width of the second lens ring.

Optionally, two ends of the clamping portion are provided with raised edges.

Optionally, the elastic piece is a metal elastic piece.

The utility model discloses for prior art's beneficial effect: the lens module is characterized in that the clamping portion of the elastic sheet is clamped on the lens module, at the moment, one part of the connecting portion abuts against the lens module, then the lens module is arranged on the metal shell in a penetrating mode, and at the moment, the other part of the connecting portion abuts against the metal shell. The detection device only needs to contact one electrode pen with the elastic sheet, and the other electrode pen is in contact with the metal shell, so that static electricity can be conducted away, the installation mode of the elastic sheet is simple and reliable, whether the earth is conducted or not is easy to detect, and the cost is reduced.

Drawings

Fig. 1 is a schematic cross-sectional view of a lens device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lens device according to an embodiment of the present invention;

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

fig. 4 is a schematic structural diagram of a spring plate according to an embodiment of the present invention.

Reference numerals:

1. a lens module; 11. a first lens ring; 12. a second lens ring; 2. a spring plate; 21. a clamping part; 211. edge warping; 22. a connecting portion; 221. a protrusion; 222. a planar end; 3. a metal housing.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

A specific structure of a lens apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 3, the present embodiment provides a lens device, which includes a lens module 1, a resilient sheet 2 and a metal housing 3, wherein the resilient sheet 2 includes a fastening portion 21 and a connecting portion 22 connected to the fastening portion 21, the fastening portion 21 is fastened to the lens module 1, one portion of the connecting portion 22 abuts against the lens module 1, the other portion abuts against the metal housing 3, and the lens module 1 is disposed on the metal housing 3 in a penetrating manner.

It should be noted that, the engaging portion 21 of the elastic sheet 2 is first engaged with the lens module 1, a portion of the connecting portion 22 abuts against the lens module 1, the lens module 1 is then inserted into the metal shell 3, and another portion of the connecting portion 22 abuts against the metal shell 3. The detection device only needs to contact one electrode pen with the elastic sheet 2, the other electrode pen is in contact with the metal shell 3, static electricity can be conducted away, the installation mode of the elastic sheet 2 is simple and reliable, whether the earth is conducted or not is easy to detect, and cost is reduced.

Alternatively, as shown in fig. 2, the clamping portion 21 has an arc-shaped structure. It should be noted that, because joint portion 21 is arc column structure, can adapt to the arc structure of lens module 1, when joint portion 21 joint was on lens module 1, shell fragment 2 was difficult for shifting, dropped even, and the mounting means is simple, need not firmly to fix shell fragment 2 on lens module 1 with the help of connecting piece or the mode that bonds.

Alternatively, as shown in fig. 4, the connection portion 22 is provided with a protrusion 221 facing the metal shell 3, and the protrusion 221 can abut on the metal shell 3. It should be noted that, because the connection portion 22 is provided with the protrusion 221 capable of abutting against the metal shell 3, when the lens module 1 with the clip-shaped elastic piece 2 being clamped is inserted into the metal shell 3, the protrusion 221 moves downward under the pressure of the metal shell 3, and because the protrusion 221 has elasticity, the protrusion can firmly abut against the metal shell 3, thereby further providing the reliability and stability of the installation of the elastic piece 2.

Alternatively, as shown in fig. 4, the end of the connecting portion 22 is a flat end 222, and the flat end 222 can abut on the lens module 1. It can be understood that, since the end of the connecting portion 22 is the flat end 222, the contact area with the lens module 1 when the connecting portion abuts against the lens module 1 is large, the stability is better, and the conduction of static electricity is facilitated.

Alternatively, as shown in fig. 3, the lens module 1 includes a first lens ring 11 and a second lens ring 12 connected to the first lens ring 11, and the height difference between the protrusion 221 and the plane end 222 is greater than the height difference between the first lens ring 11 and the second lens ring 12.

It should be noted that, the lens module 1 after the elastic sheet 2 is clamped is mounted on the metal housing 3, the planar end 222 of the connecting portion 22 abuts against the second lens ring 12, the protrusion 221 is located on the upper position of the first lens ring 11 and abuts against the metal housing 3, because the height difference between the protrusion 221 and the planar end 222 is greater than the height difference between the first lens ring 11 and the second lens ring 12, a certain distance exists between the protrusion 221 and the first lens ring 11, the metal housing 3 presses down the protrusion 221, and the protrusion 221 can move downward for a certain distance, so as to firmly abut against the metal housing 3, thereby facilitating the conduction of static electricity.

Alternatively, as shown in fig. 3, the radius of the snap-in portion 21 is smaller than the radius of the first rim 11.

It should be noted that, when the clip portion 21 of the elastic piece 2 is clipped on the lens module 1, since the radius of the clip portion 21 in the natural state is smaller than the radius of the first lens ring 11, and the clip portion 21 is known to have elasticity, the elastic piece 2 can be firmly clipped on the lens module 1, which is convenient for conducting away the static electricity, and the conductive effect is good.

Alternatively, as shown in fig. 3 and 4, the middle section of the clamping portion 21 has a width greater than that of both ends, and the connecting portion 22 is connected to the middle section of the clamping portion 21. It can be understood that, contact an electrode pen and the interlude of joint portion 21, another electrode pen and metal casing 3 contact can be with static conduction away, because the width of the interlude of joint portion 21 is greater than the height at both ends, then the area scope of electrode pen and shell fragment 2 contact is great, and the operation is easier, and the electrically conductive effect is better.

Alternatively, as shown in fig. 3, the shortest distance between the flat end 222 and the protrusion 221 is larger than the thread width of the second lens ring 12, and can span the thread width of the second lens ring 12 without affecting the adjustment of the second lens ring 12.

Optionally, as shown in fig. 3 and 4, two ends of the clamping portion 21 are provided with raised edges 211 for guiding.

Optionally, the elastic sheet 2 is a metal elastic sheet, which is convenient for conducting electricity and releasing static electricity.

A preferred embodiment:

the utility model provides a lens device, includes lens module 1, metal shrapnel and metal casing 3, and the metal shrapnel includes joint portion 21 and the connecting portion 22 that links to each other with joint portion 21, and joint portion 21 joint is on lens module 1, and the partly butt of connecting portion 22 is on lens module 1, and another part butt is on metal casing 3, and lens module 1 wears to establish on metal casing 3.

The clip portion 21 is an arc-shaped structure, the connecting portion 22 is provided with a protrusion 221 facing the metal shell 3, the protrusion 221 can abut against the metal shell 3, the end of the connecting portion 22 is a flat end 222, and the flat end 222 can abut against the lens module 1. The lens module 1 includes a first lens ring 11 and a second lens ring 12 connected to the first lens ring 11, and the height difference between the protrusion 221 and the planar end 222 is greater than the height difference between the first lens ring 11 and the second lens ring 12. The radius of the clip portion 21 in the natural state is smaller than the radius of the first rim 11. The width of the interlude of joint portion 21 all is greater than the width at both ends, and the shortest interval of face end and arch 221 is greater than the thread width of second mirror circle 12, and the both ends of joint portion 21 are equipped with sticks up limit 211.

The lens device mounting step: first, the clip portion 21 of the elastic piece 2 is clipped on the first lens ring 11 of the lens module 1, the flat end 222 of the connecting portion 22 abuts on the second lens ring 12, the lens module 1 is then inserted into the metal housing 3, and the other side of the connecting portion 22 abuts on the metal housing 3.

The detection method of the lens device comprises the following steps: the detection device leads static away by contacting one electrode pen with the metal elastic sheet and contacting the other electrode pen with the metal shell 3.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Further, it is to be understood that the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "connected," "mounted," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The above-mentioned meaning belonging to the present invention can be understood by those skilled in the art according to the specific situation.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The lens device is characterized by comprising a lens module (1), an elastic sheet (2) and a metal shell (3), wherein the elastic sheet (2) comprises a clamping portion (21) and a connecting portion (22) connected with the clamping portion (21), the clamping portion (21) is clamped on the lens module (1), one part of the connecting portion (22) is abutted to the lens module (1), the other part of the connecting portion is abutted to the metal shell (3), and the lens module (1) is arranged on the metal shell (3) in a penetrating mode.

2. The lens device according to claim 1, wherein the snap-in portion (21) is an arc-shaped structure.

3. A lens device according to claim 1, wherein a projection (221) is provided on the connecting portion (22) toward the metal housing (3), and the projection (221) is capable of abutting on the metal housing (3).

4. A lens device according to claim 3, wherein the connecting portion (22) terminates in a flat end (222), and the flat end (222) is capable of abutting against the lens module (1).

5. The lens device according to claim 4, wherein the lens module (1) includes a first rim (11) and a second rim (12) connected to the first rim (11), and a height difference between the protrusion (221) and the flat end (222) is larger than a height difference between the first rim (11) and the second rim (12).

6. The lens device according to claim 5, wherein a radius of the snap-in portion (21) is smaller than a radius of the first lens rim (11).

7. The lens apparatus as claimed in claim 1, wherein the intermediate section of the snap-in portion (21) has a width larger than the width of both ends, and the connecting portion (22) is connected to the intermediate section of the snap-in portion (21).

8. The lens device according to claim 5, wherein a shortest distance between the flat end (222) and the projection (221) is larger than a thread width of the second lens rim (12).

9. The lens device according to claim 1, wherein both ends of the snap-in portion (21) are provided with raised edges (211).

10. The lens device according to claim 1, wherein the elastic sheet (2) is a metal elastic sheet.