CN217821048U - Focusing mechanism of optical lens assembly - Google Patents
Focusing mechanism of optical lens assembly Download PDFInfo
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- CN217821048U CN217821048U CN202221824003.3U CN202221824003U CN217821048U CN 217821048 U CN217821048 U CN 217821048U CN 202221824003 U CN202221824003 U CN 202221824003U CN 217821048 U CN217821048 U CN 217821048U
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- optical lens
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Abstract
The utility model provides an optical lens subassembly focusing mechanism can solve the problem that the definition is inconsistent about the camera subassembly appears. The utility model comprises a frame, a moving mechanism, a focusing plate, an XY axis displacement platform and a lens clamping component; the moving mechanism comprises a screw rod, a ball head, a screw rod nut and a motor; the screw rod is arranged along the Z axis and is rotatably arranged on the frame of the machine body; the screw rod nut is arranged on the screw rod; the motor is arranged on the frame of the machine body and connected with the screw rod; the ball head is fixedly sleeved on the screw rod nut; the ball head is movably arranged in the focusing plate, and the focusing plate and the ball head form a ball hinge link; an imaging SENSOR board mounting position is arranged on the focusing board; the XY axis displacement platform is fixed on the machine body frame; the lens clamping assembly is arranged on the XY axis displacement platform, and a lens mounting hole is formed in the lens clamping assembly.
Description
Technical Field
The utility model relates to an optical lens subassembly focusing mechanism, the focusing of mainly used camera optical lens subassembly.
Background
The continuous improvement of camera subassembly definition, 4K and higher definition product are more and more common. However, in actual production, the welding flatness of the photosensitive component and the dimensional accuracy of the lens mount have a little deviation, which can cause the problem that the left and right definition of the camera assembly assembled conventionally is inconsistent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a reasonable in structural design's optical lens subassembly focusing mechanism, can solve the problem that the definition is inconsistent about the camera subassembly appears.
The utility model provides a technical scheme that above-mentioned problem adopted is: an optical lens assembly focusing mechanism, characterized in that: the device comprises a machine body frame, a moving mechanism, a focusing plate, an XY axis displacement platform and a lens clamping assembly; the moving mechanism comprises a screw rod, a ball head, a screw rod nut and a motor; the screw rod is arranged along the Z axis and is rotatably arranged on the machine body frame; the screw rod nut is arranged on the screw rod; the motor is arranged on the frame of the machine body and connected with the screw rod; the ball head is fixedly sleeved on the screw rod nut; the ball head is movably arranged in the focusing plate, and the focusing plate and the ball head form a ball hinge link; an imaging SENSOR board mounting position is arranged on the focusing board; the XY axis displacement platform is fixed on the machine body frame; the lens clamping assembly is arranged on the XY axis displacement platform, and a lens mounting hole is formed in the lens clamping assembly.
Lens clamping subassembly include clamping jaw and mounting panel, the mounting panel is installed on XY axle displacement platform, the clamping jaw is installed on the mounting panel, be provided with on the clamping jaw camera lens installation hole site.
The clamping jaw of the utility model comprises a fixed clamping jaw and a movable clamping jaw; the fixed clamping jaw is fixedly arranged on the XY axis displacement platform, and the movable clamping jaw is slidably arranged on the fixed clamping jaw.
The activity clamping jaw pass through elastic component and fixed clamping jaw elastic connection.
The elastic component of the utility model comprises a limit screw and a spring; the limiting screw is fixed on the fixed clamping jaw, and the movable clamping jaw is sleeved on the limiting screw; the spring is sleeved on the limit screw, one end of the spring is connected with the limit screw, and the other end of the spring is connected with the movable clamping jaw.
Camera lens clamping subassembly still include the guiding axle, the guiding axle is fixed on fixed clamping jaw, activity clamping jaw slidable mounting is on the guiding axle.
The moving mechanism be three groups, three moving mechanism's of group bulb is the triangle and arranges.
The ball head of the utility model consists of two hemispheroids which are fixed relatively together.
The moving mechanism of the utility model also comprises a mounting seat; equal fixed mounting has the mount pad on left mounting panel and the right mounting panel, and the lead screw rotates to be installed on the mount pad.
The machine body frame of the utility model comprises a bottom plate, a left mounting plate and a right mounting plate; left side mounting panel and right mounting panel are fixed respectively in the left and right sides of bottom plate, the focusing board be located between left mounting panel and the right mounting panel.
Compared with the prior art, the utility model, have following advantage and effect: structural design is reasonable, and when adjusting the imaging plane of formation of image SENSOR board and the complete coincidence of the imaging plane of tight shot, the image that appears on the display reaches a clearest state, and the focusing is accomplished, so just can not appear the inconsistent problem of definition about the camera subassembly.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an explosion structure diagram of the embodiment of the present invention.
Fig. 3 is a schematic top view of an embodiment of the present invention.
Fig. 4 isbase:Sub>A schematic sectional structure view ofbase:Sub>A-base:Sub>A of fig. 3.
Fig. 5 is a schematic perspective view of the embodiment of the present invention in operation.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
The embodiment of the utility model provides a include fuselage frame 10, moving mechanism 20, focusing board 30, XY axle displacement platform 40 and camera lens clamping subassembly 50.
The body frame 10 includes a bottom plate 101, a left mounting plate 102, and a right mounting plate 103; the left mounting plate 102 and the right mounting plate 103 are respectively fixed on the left and right sides of the bottom plate 101, and the left mounting plate 102 and the right mounting plate 103 are arranged side by side.
The moving mechanism 20 includes a mounting base 21, a lead screw 22, a ball 23, a lead screw nut 24 and a motor 26.
The left mounting plate 102 and the right mounting plate 103 are both fixedly provided with mounting seats 21; the screw rod 22 is arranged along the Z axis and is rotatably arranged on the mounting seat 21, so that the screw rod 22 is rotatably arranged on the left mounting plate 102 and the right mounting plate 103; as shown in fig. 1, the Z-axis points in the left-right direction. A lead screw nut 24 is mounted on the lead screw 22.
The motor 26 is mounted on the left mounting plate 102 or the right mounting plate 103, and in the present embodiment, the motor 26 is mounted on the right mounting plate 103; the motor 26 is connected to the lead screw 22.
The ball head 23 is fixedly sleeved on the screw rod nut 24. The ball head 23 is spherical and is composed of two hemispheres 25, and the two hemispheres 25 are fixed together oppositely. The ball head 23 is movably mounted in a focusing plate 30, and the focusing plate 30 and the ball head 23 form a ball hinge connection. The moving mechanisms 20 are three groups, the ball heads 23 of the three groups of moving mechanisms 20 are arranged in a triangular mode, and the leveling function is achieved through the principle that a plane is determined by 3 points. The focusing plate 30 is positioned between the left mounting plate 102 and the right mounting plate 103, and the imaging SENSOR plate mounting position is arranged on the focusing plate 30.
The XY-axis displacement table 40 is fixed to the left mounting plate 102 of the body frame 10 by screws. The lens clamping assembly 50 is fixed on the XY axis displacement platform 40, and the XY axis displacement platform 40 can drive the lens clamping assembly 50 to move on the XY axis, as shown in fig. 1, the X axis points to the front and back direction, and the Y axis points to the up and down direction.
The lens holding assembly 50 includes a holding jaw, a guide shaft 53, an elastic assembly, and a mounting plate 56.
The mounting plate 56 is mounted on the XY-axis displacement stage 40. The clamping jaw is installed on mounting plate 56, and the clamping jaw includes fixed clamping jaw 51 and movable clamping jaw 52, and fixed clamping jaw 51 is fixed mounting on mounting plate 56.
The movable jaw 52 is elastically connected to the fixed jaw 51 by an elastic member. The elastic assembly comprises a limit screw 54 and a spring 55; the limit screw 54 is fixed on the fixed clamping jaw 51, and the movable clamping jaw 52 is sleeved on the limit screw 54; the spring 55 is sleeved on the limit screw 54, one end of the spring is connected with the limit screw 54, and the other end of the spring is connected with the movable clamping jaw 52.
A focusing method of a focusing mechanism of an optical lens assembly comprises the following steps: before the lens is clamped, the movable clamping jaw 52 is pulled outwards by hand, so that the lens mounting hole position is enlarged, and then the fixed-focus lens 60 is placed in the lens mounting hole position. When the hand is released, the movable clamping jaw 52 moves reversely under the elastic action of the limiting screw 54 and the spring 55, so that the lens mounting vacancy is reduced, and the fixed-focus lens 60 is clamped. The fixed focus lens 60 is mounted on the lens clamping assembly 50, and the imaging SENSOR board 70 is mounted on the focusing board 30, so that the images can be viewed through the display after the power is on. The position of the ball 23 of the three sets of moving mechanisms 20 on the lead screw 22 can be adjusted by the operation of the motor 26 of the three sets of moving mechanisms 20, so as to realize the forward and backward movement and the angle adjustment of the focusing plate 30, and further adjust the position and the angle of the imaging SENSOR plate 70 mounted on the focusing plate 30. When the imaging plane of the imaging SENSOR plate 70 is adjusted to be completely coincident with the imaging plane of the fixed-focus lens 60, the image displayed on the display reaches a clearest state, and the focusing is completed, so that the problem of inconsistent left and right definitions of the camera assembly cannot occur; after the focusing is completed, the fixed-focus lens 60 and the imaging SENSOR board 70 can be solidified together by glue, and the production of the high-quality camera assembly is completed.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model.
Claims (10)
1. An optical lens assembly focusing mechanism, characterized in that: the device comprises a machine body frame, a moving mechanism, a focusing plate, an XY axis displacement platform and a lens clamping assembly; the moving mechanism comprises a screw rod, a ball head, a screw rod nut and a motor; the screw rod is arranged along the Z axis and is rotatably arranged on the machine body frame; the screw rod nut is arranged on the screw rod; the motor is arranged on the frame of the machine body and connected with the screw rod; the ball head is fixedly sleeved on the screw rod nut; the ball head is movably arranged in the focusing plate, and the focusing plate and the ball head form a ball hinge link; an imaging SENSOR board mounting position is arranged on the focusing board; the XY axis displacement platform is fixed on the machine body frame; the lens clamping assembly is arranged on the XY axis displacement platform, and a lens mounting hole is formed in the lens clamping assembly.
2. The optical lens assembly focusing mechanism of claim 1, wherein: the lens clamping assembly comprises a clamping jaw and an installation plate, the installation plate is installed on the XY axis displacement platform, the clamping jaw is installed on the installation plate, and the lens installation hole position is formed in the clamping jaw.
3. The optical lens assembly focusing mechanism of claim 2, wherein: the clamping jaw comprises a fixed clamping jaw and a movable clamping jaw; the fixed clamping jaw is fixedly arranged on the XY axis displacement platform, and the movable clamping jaw is slidably arranged on the fixed clamping jaw.
4. The optical lens assembly focusing mechanism of claim 3, wherein: the movable clamping jaw is elastically connected with the fixed clamping jaw through an elastic assembly.
5. The optical lens assembly focusing mechanism of claim 4, wherein: the elastic component comprises a limiting screw and a spring; the limiting screw is fixed on the fixed clamping jaw, and the movable clamping jaw is sleeved on the limiting screw; the spring is sleeved on the limit screw, one end of the spring is connected with the limit screw, and the other end of the spring is connected with the movable clamping jaw.
6. The optical lens assembly focusing mechanism of claim 3, wherein: the lens clamping assembly further comprises a guide shaft, the guide shaft is fixed on the fixed clamping jaw, and the movable clamping jaw is slidably mounted on the guide shaft.
7. The optical lens assembly focusing mechanism of claim 1, wherein: the moving mechanisms are three groups, and the ball heads of the three groups of moving mechanisms are arranged in a triangular mode.
8. The optical lens assembly focusing mechanism of claim 1, wherein: the bulb consists of two hemispheroids which are fixed together relatively.
9. The optical lens assembly focusing mechanism of claim 1, wherein: the moving mechanism also comprises a mounting seat; equal fixed mounting has the mount pad on left mounting panel and the right mounting panel, and the lead screw rotates to be installed on the mount pad.
10. The optical lens assembly focusing mechanism of claim 1, wherein: the machine body frame comprises a bottom plate, a left mounting plate and a right mounting plate; left side mounting panel and right mounting panel are fixed respectively in the left and right sides of bottom plate, the focusing board be located between left mounting panel and the right mounting panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824003.3U CN217821048U (en) | 2022-07-15 | 2022-07-15 | Focusing mechanism of optical lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824003.3U CN217821048U (en) | 2022-07-15 | 2022-07-15 | Focusing mechanism of optical lens assembly |
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| Publication Number | Publication Date |
|---|---|
| CN217821048U true CN217821048U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221824003.3U Active CN217821048U (en) | 2022-07-15 | 2022-07-15 | Focusing mechanism of optical lens assembly |
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| CN (1) | CN217821048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166927A (en) * | 2022-07-15 | 2022-10-11 | 杭州晨安科技股份有限公司 | Focusing mechanism and method for optical lens assembly |
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2022
- 2022-07-15 CN CN202221824003.3U patent/CN217821048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166927A (en) * | 2022-07-15 | 2022-10-11 | 杭州晨安科技股份有限公司 | Focusing mechanism and method for optical lens assembly |
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