CN216217288U

CN216217288U - Lens fixing device and lens test equipment

Info

Publication number: CN216217288U
Application number: CN202122592124.1U
Authority: CN
Inventors: 王玉琳; 赵代兵; 毛才荧
Original assignee: Dongguan Yutong Optical Technology Co Ltd
Current assignee: Dongguan Yutong Optical Technology Co Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to the technical field of lens testing, and discloses a lens fixing device and a lens testing device, wherein the lens fixing device comprises a fixed locking plate and a pressing mechanism, the pressing mechanism comprises a driving component and a movable locking plate, the movable locking plate is connected to an execution end of the driving component, a first via hole is formed in the movable locking plate, and a step is arranged on the side wall of the first via hole; the lens test equipment comprises the lens fixing device. The fixed lock of rear end butt of camera lens module attaches the board, and the camera lens extends first conducting hole, and the picture frame is spacing by the step, and drive assembly can drive the removal of activity lock and attach the board in order to compress tightly the camera lens module at fixed lock and attach the board, has improved stability to adopt the fixed mode of activity lock and attach the board to the picture frame, the commonality is high.

Description

Lens fixing device and lens test equipment

Technical Field

The utility model relates to the technical field of lens testing, in particular to a lens fixing device and lens testing equipment.

Background

When the lens module is manufactured, the lens module needs to be analyzed to detect whether the lens module is qualified, and currently, the lens module is generally tested by using a lens testing device, wherein the lens module needs to be fixed during testing. In the prior art, a plurality of positioning pins are generally inserted into blind holes of the lens module to fix the lens module, but on one hand, the fixing mode is unstable; on the other hand, the positions and the sizes of the blind holes are different due to different models of the lens module, so that the universality of the lens fixing device is low.

In view of the above situation, it is desirable to design a lens fixing device and a lens testing apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

One object of the present invention is: provided is a lens fixing device which can stably fix a lens module and has high versatility.

Another object of the utility model is: a lens test device is provided, which comprises the lens fixing device.

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

in one aspect, a lens fixing apparatus is disclosed, including:

the fixed locking plate is used for abutting against the rear end of the lens module;

pressing attaches the mechanism, including drive assembly and activity lock attach the board, activity lock attach the board connect in drive assembly's execution end, first via hole has been seted up on the activity lock attach the board, the lateral wall of first via hole is provided with the step, the camera lens of camera lens module extends first via hole, the step butt the picture frame of camera lens module, drive assembly can drive activity lock attach the board along being close to the direction of fixed lock attach the board removes in order to incite somebody to action the camera lens module compresses tightly on the fixed lock attach the board.

As a preferable scheme, the pressing mechanism further comprises a buffering assembly, and the buffering assembly is connected with the movable locking plate and the execution end of the driving assembly.

As a preferable scheme, the pressing mechanism further comprises a supporting plate, the supporting plate is located between the fixed locking plate and the movable locking plate, the supporting plate is connected to an execution end of the driving assembly, the supporting plate is connected with the movable locking plate through the buffering assembly, and the buffering assembly can drive the movable locking plate to move in a direction close to the supporting plate;

a second via hole is formed in the supporting plate, and the mirror frame penetrates through the second via hole.

As a preferable scheme, the pressing mechanism further comprises a supporting plate, the supporting plate is located on one side of the movable locking plate, which is far away from the fixed locking plate, the supporting plate is connected to an execution end of the driving assembly, the supporting plate is connected with the movable locking plate through the buffering assembly, and the buffering assembly can drive the movable locking plate to move in a direction far away from the supporting plate;

a second through hole is formed in the supporting plate, and the lens penetrates through the second through hole.

As a preferred aspect, the buffer assembly includes:

the connecting piece penetrates through the movable locking plate in a sliding mode and is connected to the supporting plate;

the elastic piece is sleeved on the connecting piece, one end of the elastic piece is abutted to the head of the connecting piece, and the other end of the elastic piece is abutted to the movable locking plate.

As a preferable aspect, the lens fixing apparatus further includes a base, the fixing latch plate is fixed to the base, and the driving assembly includes:

the sliding plate is connected to the base in a sliding mode along the direction from the fixed locking plate to the movable locking plate, and the movable locking plate is connected to the sliding plate;

the guide plate is fixed on the base and provided with a first sliding groove extending from the fixed locking plate to the movable locking plate and a second sliding groove arranged perpendicular to the first sliding groove;

the handle is arranged in the first sliding groove in a sliding mode and is connected with the sliding plate in a rotating mode, and when the handle switches the second sliding groove from the first sliding groove, the sliding plate stops sliding.

Preferably, one of the base and the sliding plate is provided with a sliding rail, and the other is provided with a sliding block, and the sliding block is slidably connected to the sliding rail.

Preferably, an image sensor is connected to the fixing and locking plate, and the image sensor can acquire an image formed by the lens module.

Preferably, the step is provided in a ring shape, and the step can be correspondingly abutted against the ring-shaped end portion of the lens frame.

In another aspect, a lens testing device is also disclosed, which comprises the lens fixing device.

The utility model has the beneficial effects that: the utility model provides a camera lens fixing device and camera lens test equipment, when fixed lens module, the fixed lock of rear end butt of camera lens module attaches the board, the camera lens extends first via hole, the step of the first via hole lateral wall of picture frame butt, make drive assembly can drive the movable lock and attach the board and remove in order to compress tightly the camera lens module at the fixed lock and attach the board along the direction that is close to the fixed lock and attach the board, stability is good, and the movable lock attaches the camera lens module that the board can the multiple model of adaptation, the commonality has been improved.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

FIG. 1 is a schematic view of a lens holder;

FIG. 2 is an exploded view of the lens holder;

FIG. 3 is a cross-sectional view of the support plate coupled to the movable latch plate via a cushion assembly;

fig. 4 is a schematic structural diagram of the pressing mechanism mounted on the base.

In fig. 1 to 4:

1. fixing the locking plate;

2. a pressure attaching mechanism; 21. a drive assembly; 211. a sliding plate; 212. a guide plate; 2121. a first chute; 2122. a second chute; 213. a handle; 214. a rotating shaft; 22. a movable locking plate; 221. a first via hole; 222. a step; 23. a buffer assembly; 231. a connecting member; 232. an elastic member; 24. a support plate; 241. a second via hole;

3. a base;

4. an image sensor;

51. a slide rail; 52. a slider;

6. a lens module is provided.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" 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 relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via 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.

As shown in fig. 1 and fig. 3, the present embodiment provides a lens fixing device, including a fixed lock attaching plate 1 and a press attaching mechanism 2, the fixed lock attaching plate 1 can abut and position the rear end of a lens module 6, the press attaching mechanism 2 includes a driving component 21 and a movable lock attaching plate 22, the movable lock attaching plate 22 and the fixed lock attaching plate 1 are arranged at an interval, the movable lock attaching plate 22 is connected to an execution end of the driving component 21, a first via hole 221 is provided in the middle of the movable lock attaching plate 22, a step 222 is provided on one side of the first via hole 221 close to the lens module 6, so that the minimum entity diameter of the first via hole 221 is greater than the diameter of the lens and smaller than the diameter of the lens frame. When the lens module 6 is fixed, the rear end of the lens module 6 abuts against the fixed locking plate 1, the lens at the front end extends out of the first through hole 221, the lens frame abuts against the step 222 to limit the lens frame, and the driving assembly 21 drives the movable locking plate 22 to move along the direction close to the fixed locking plate 1, so that the lens module 6 is pressed and fixed on the fixed locking plate 1. The fixed structure has good stability, and the movable locking plate 22 provided with the first through hole 221 and the step 222 can be adapted to lens modules 6 of various models, so that the universality is improved.

In a preferred embodiment, the compressing mechanism 2 further includes a buffering assembly 23, and the movable locking plate 22 is connected to the actuating end of the driving assembly 21 through the buffering assembly 23. It can be understood that the driving assembly 21 drives the movable lock attachment plate 22 to move through the buffer assembly 23, and the buffer assembly 23 can buffer the pushing force of the driving assembly 21 on the movable lock attachment plate 22, so as to prevent the movable lock attachment plate 22 from damaging the lens module 6.

In this embodiment, the pressing and attaching mechanism 2 further includes a supporting plate 24, the supporting plate 24 is located between the fixed locking plate 1 and the movable locking plate 22, the supporting plate 24 is connected to the actuating end of the driving component 21, the buffering component 23 connects the supporting plate 24 and the movable locking plate 22, the supporting plate 24 is provided with a second through hole 241, preferably, the second through hole 241 is coaxial with the first through hole 221, the lens module 6 sequentially penetrates through the second through hole 241 and the first through hole 221 along the direction away from the fixed locking plate 1, the supporting plate 24 can support the lens module 6, and reliability is improved. When the lens module 6 is fixed, the lens module 6 penetrates the supporting plate 24 and the lens frame of the lens module 6 abuts against the step 222 of the first through hole 221, the driving component 21 drives the supporting plate 24 to move in a direction close to the fixed locking plate 1, so that the buffer component 23 drives the movable locking plate 22 to synchronously move in a direction close to the fixed locking plate 1, thereby fixing the lens module 6. In other embodiments of the present invention, the supporting plate 24 is located on a side of the movable locking plate 22 away from the fixed locking plate 1, the supporting plate 24 is connected to the executing end of the driving component 21, the buffer component 23 connects the supporting plate 24 and the movable locking plate 22, the supporting plate 24 is provided with a second through hole 241, the lens of the lens module 6 sequentially penetrates through the first through hole 221 and the second through hole 241 along a direction away from the fixed locking plate 1, when the driving component 21 drives the supporting plate 24 to move along a direction close to the fixed locking plate 1, the buffer component 23 can drive the movable locking plate 22 to move away from the supporting plate 24 at this time, that is, move along a direction close to the fixed locking plate 1, and the lens module 6 can be fixed as well.

Specifically, as shown in fig. 3, the buffer assembly 23 includes a connecting member 231 and an elastic member 232, the connecting member 231 may be an explosive screw or an equal-height screw, the connecting member 231 of this embodiment is an equal-height screw, the elastic member 232 may be a spring or an elastic rubber pad, the elastic member 232 of this embodiment is a spring, the specific number of the elastic members may be set according to actual needs, the embodiment is provided with three equal-height screws and springs, and the equal-height screws penetrate through the movable locking plate 22 from one side of the movable locking plate 22 and are connected to the supporting plate 24 by threads; the spring is sleeved on the equal-height screw, one end of the spring is abutted against the head of the equal-height screw, and the other end of the spring is abutted against the movable locking plate 22. The lens frame abuts against the step 222, the lens extends out of the first through hole 221 through the second through hole 241, when the driving component 21 drives the supporting plate 24 to move in the direction close to the fixed locking plate 1, the supporting plate 24 drives the equal-height screw to compress the spring, so that the spring drives the movable locking plate 22 to move in the direction close to the fixed locking plate 1, thereby compressing and fixing the lens module 6, and the structure is simple.

As shown in fig. 2 and 4, the lens fixing apparatus further includes a base 3, the fixed locking plate 1 is fixed to the base 3 by screws, the driving assembly 21 includes a sliding plate 211, a guide plate 212 and a handle 213, the sliding plate 211 is slidably connected to the base 3 along a direction from the fixed locking plate 1 to the movable locking plate 22, the support plate 24 is connected to the sliding plate 211 by screws, and the movable locking plate 22 is connected to the support plate 24 by a buffer assembly 23; the guide plate 212 is fixed on the base 3 and located at one side of the sliding plate 211, a first sliding slot 2121 extending from the fixed locking plate 1 to the movable locking plate 22 and a second sliding slot 2122 perpendicular to the first sliding slot 2121 are formed in the guide plate 212, the number and the position of the second sliding slots 2122 can be set according to actual needs, and two second sliding slots 2122 are formed in the embodiment and located at the head end and the tail end of the first sliding slot 2121 respectively; the handle 213 is slidably disposed in the first sliding slot 2121, and a distal end of the handle 213 is rotatably connected to the sliding plate 211 via the rotating shaft 214, so that the handle 213 can be switched between the first sliding slot 2121 and the second sliding slot 2122. When the lens module 6 is fixed, the handle 213 is pulled to move in a direction close to the fixed locking plate 1, the handle 213 carries the support plate 24 and the movable locking plate 22 to move synchronously, and then the handle 213 is rotated to switch the handle 213 into the second sliding slot 2122 at the end of the first sliding slot 2121, thereby fixing the lens module 6; when the lens module 6 is released, the handle 213 is pulled to move in a direction away from the fixed lock plate 1, the handle 213 carries the support plate 24 and the movable lock plate 22 to move synchronously, and then the handle 213 is rotated to switch the handle 213 into the second slide groove 2122 at the head end of the first slide groove 2121, thereby releasing the lens module 6.

Specifically, the top of the base 3 is mounted with a slide rail 51 extending along the fixed locking plate 1 to the movable locking plate 22, the bottom of the sliding plate 211 is mounted with a slider 52, and the slider 52 is slidably connected to the slide rail 51 to realize the sliding connection between the guide plate 212 and the base 3. In other embodiments of the present invention, the sliding rail 51 extending from the fixed locking plate 1 to the movable locking plate 22 is installed at the bottom of the sliding plate 211, and the sliding block 52 is installed at the top of the base 3, so that the same function can be achieved.

As shown in fig. 1 and 2, one end of the fixed locking plate 1 close to the movable locking plate 22 is connected with an image sensor 4 through a screw, the image sensor 4 is arranged corresponding to the lens module 6, a positioning hole is formed in the image sensor 4, a pin shaft is arranged at the rear end of the lens module 6, the pin shaft can be inserted into the positioning hole to position the lens module 6 on the fixed locking plate 1, and the image sensor 4 can acquire an image formed by the lens module 6. In other embodiments of the present invention, the positioning holes may also be formed in the fixed locking plate 1, or the movable locking plate 22 is formed with positioning grooves corresponding to the rear end bosses of the lens module 6, and the bosses can be inserted into the positioning grooves to position the lens module 6 on the fixed locking plate 1.

As shown in fig. 2 and 3, as a preferred embodiment, the step 222 on the sidewall of the first via hole 221 is formed in a ring shape, and the first via hole at this time can be regarded as a stepped hole whose aperture gradually decreases in a direction away from the fixed lock plate 1, and the step 222 can be correspondingly abutted against the ring-shaped end portion of the lens frame to wrap the end portion of the lens frame, thereby preventing the lens module 6 from falling off the movable lock plate 22, and improving reliability. In other embodiments of the present invention, the step 222 may also be an arc shape, and can also abut against the end of the lens frame to limit the lens module 6.

The embodiment further provides a lens testing device, which comprises a testing device and the lens fixing device, wherein the testing device is arranged opposite to the lens of the lens module 6, and after the lens fixing device fixes the lens module 6, the testing device can test the resolving power of the lens module 6. Wherein, the camera lens fixing device can fix the camera lens module 6 steadily to the camera lens module 6 of multiple model can be adapted, and then the commonality of camera lens test equipment has been improved.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A lens holding apparatus, comprising:

the fixed locking plate (1) is used for abutting against the rear end of the lens module (6);

press and attach mechanism (2), including drive assembly (21) and activity lock and attach board (22), activity lock attaches board (22) connect in the execution end of drive assembly (21), first via hole (221) have been seted up on activity lock attaches board (22), the lateral wall of first via hole (221) is provided with step (222), the camera lens of camera lens module (6) extends first via hole (221), step (222) butt the picture frame of camera lens module (6), drive assembly (21) can drive activity lock attaches board (22) is followed and is close to the direction of fixed lock attaches board (1) removes in order to with camera lens module (6) compress tightly on the fixed lock attaches board (1).

2. The lens holding device according to claim 1, wherein the press-attaching mechanism (2) further comprises a buffer member (23), and the buffer member (23) connects the movable lock plate (22) and the actuating end of the actuating member (21).

3. The lens fixing device according to claim 2, wherein the pressing mechanism (2) further comprises a support plate (24), the support plate (24) is located between the fixed lock plate (1) and the movable lock plate (22), the support plate (24) is connected to an execution end of the driving component (21), the support plate (24) is connected to the movable lock plate (22) through the buffer component (23), and the buffer component (23) can drive the movable lock plate (22) to move in a direction close to the support plate (24);

the support plate (24) is provided with a second through hole (241), and the lens frame penetrates through the second through hole (241).

4. The lens fixing device according to claim 2, wherein the pressing mechanism (2) further comprises a support plate (24), the support plate (24) is located on one side of the movable lock plate (22) away from the fixed lock plate (1), the support plate (24) is connected to the actuating end of the actuating assembly (21), the support plate (24) is connected with the movable lock plate (22) through the buffer assembly (23), and the buffer assembly (23) can drive the movable lock plate (22) to move in a direction away from the support plate (24);

and a second through hole (241) is formed in the support plate (24), and the lens penetrates through the second through hole (241).

5. A lens holding apparatus according to claim 3, wherein the buffer member (23) comprises:

a connector (231) slidably penetrating the movable locking plate (22) and connected to the support plate (24);

the elastic piece (232) is sleeved on the connecting piece (231), one end of the elastic piece (232) is abutted to the head of the connecting piece (231), and the other end of the elastic piece (232) is abutted to the movable locking plate (22).

6. The lens holding apparatus according to claim 1, further comprising a base (3), the fixing latch plate (1) being fixed to the base (3), the driving assembly (21) comprising:

a sliding plate (211) slidably connected to the base (3) in a direction from the fixed locking plate (1) to the movable locking plate (22), the movable locking plate (22) being connected to the sliding plate (211);

the guide plate (212) is fixed on the base (3) and is provided with a first sliding groove (2121) extending from the fixed locking plate (1) to the movable locking plate (22) and a second sliding groove (2122) vertically arranged with the first sliding groove (2121);

a handle (213) slidably disposed in the first sliding groove (2121) and rotatably connected to the sliding plate (211), wherein the sliding plate (211) stops sliding when the handle (213) switches the second sliding groove (2122) from the first sliding groove (2121).

7. The lens holding device according to claim 6, wherein one of the base (3) and the sliding plate (211) is mounted with a sliding rail (51), and the other is mounted with a sliding block (52), the sliding block (52) being slidably connected to the sliding rail (51).

8. The lens holding device according to claim 1, wherein an image sensor (4) is attached to the fixing lock plate (1), and the image sensor (4) can acquire an image formed by the lens module (6).

9. Lens holding device according to claim 1, characterized in that the step (222) is provided in the shape of a ring, the step (222) being adapted to abut against a ring-shaped end of the frame.

10. A lens test apparatus comprising the lens holding device as set forth in any one of claims 1 to 9.