CN215492364U

CN215492364U - Adjustable jig for lens test

Info

Publication number: CN215492364U
Application number: CN202120961272.3U
Authority: CN
Inventors: 林肖怡; 杨剑锋; 张龙; 陈健鹏
Original assignee: Guangdong Xuye Optoelectronics Technology Co Ltd
Current assignee: Guangdong Xuye Optoelectronics Technology Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-11
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses an adjustable jig for testing a lens, which comprises a first jig and a second jig, wherein the first jig is connected with the second jig through an adjusting mechanism, the first jig is used for mounting a lens to be tested, and the second jig is used for providing the environment and the condition for testing the lens to be tested. The utility model can adapt to the lens to be tested with different sizes by arranging the first jig to detachably mount the lens to be tested, and the adjusting mechanism integrally adjusts the distance between the first jig and the second jig, so that the basic testing environment provided by the second jig can adjust the light source environment and adapt to the lens to be tested with different focal length sizes for testing, thereby improving the working efficiency and being capable of changing the environmental conditions for many times so as to test the performance conditions of the lens to be tested in different environments.

Description

Adjustable jig for lens test

Technical Field

The utility model relates to the technical field of lens test adjusting jigs, in particular to an adjustable jig for lens test.

Background

The jig is used as a tool for assisting in controlling position or action (or both), and can be classified into a process assembly jig, a project test jig and a circuit board test jig.

In the production industry of the whole machine formed by the optical lens and the camera, each lens needs to be detected and adjusted in a certain object distance range on the camera matched with the lens, and the common method is as follows: when detecting or adjusting different object distances about 1.5 meters, the detector needs to move back and forth along with the lens test seat, so that the working strength is high, and the efficiency is low.

How to overcome above-mentioned defect, improve production efficiency, accomplish under the condition that the person of examining need not follow lens test seat round trip movement, timing purpose, the lightweight of mechanism and quick, simple and convenient operation are structural design's key.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable jig for lens testing, and the adjustable jig is used for solving the technical problem that the working efficiency is influenced by the fact that the jig moves back and forth according to needs in the prior art.

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

the utility model provides an adjustable tool for camera lens test, includes first tool and second tool, first tool pass through adjustment mechanism with the second tool is connected, first tool is used for installing the camera lens that awaits measuring, the second tool is used for providing the environment and the condition that the camera lens that awaits measuring tested, adjustment mechanism is used for adjusting the second tool with the distance between the second tool.

As a preferred scheme of the utility model, the first jig comprises a working base, the working base is fixedly connected to the end part of the adjusting mechanism, an installation component is detachably connected to the working base through a movable rotating shaft, the lens to be tested is installed on the installation component, and the installation component can rotate under the driving of the movable rotating shaft so as to change the test space range of the lens to be tested;

the mounting assembly comprises a fixed substrate tube body arranged at the top of the movable rotating shaft, the fixed substrate tube body is sleeved on the movable rotating shaft and follows the movable rotating shaft to rotate, and a clamping piece used for fixing the lens to be tested is arranged in the fixed substrate tube body.

As a preferred scheme of the present invention, the clamping member includes a clamping frame disposed in the fixed substrate tube, a clamp for clamping the lens to be measured is disposed on one side of the clamping frame, and the clamp includes a pair of clamping arms disposed at upper and lower sides inside the clamping frame;

the clamping arm comprises a clamp end, one end of the clamp end is connected to the clamping frame through a fixed rod, the fixed rod is connected with the clamping frame through a bolt, the other end of the clamp end extends out of the fixed substrate tube body, an arc-shaped attaching portion is arranged at the end of the extending portion of the clamp end, and the arc-shaped attaching portion is used for closely clamping the lens to be tested;

the clamp ends on the two sides are located at one end of the clamping frame and are connected through a spring, so that the clamp ends on the two sides are opened at different angles to adapt to the lenses to be tested with different sizes.

As a preferable scheme of the present invention, the second fixture includes a base, and an aperture mechanism and an image mounting mechanism that are disposed on the base, and the base is connected to the adjusting mechanism; the aperture mechanism is used for adjusting the light source environment of the lens to be tested during testing, and the image mounting mechanism is used for placing an image for testing the lens to be tested.

As a preferable scheme of the utility model, the aperture mechanism comprises a ring tube shell, the ring tube shell is mounted on the top of the base through a connecting support, a plurality of movable blades are mounted in the ring tube shell through ring pieces, the ring pieces are embedded in the ring tube shell, adjusting buttons are arranged outside the ring tube shell corresponding to the ring pieces, and the adjusting buttons adjust the light transmission intensity of the blades under the action of external force, so that the light source environment of the test light source of the lens to be tested is changed.

As a preferable scheme of the present invention, the image mounting mechanism includes a support base disposed on the base, a vertical rod is mounted on the top of the support base, and a support frame is disposed on the top of the vertical rod and used for fixedly supporting the test image of the lens to be tested.

As a preferred scheme of the present invention, the supporting frame body includes a first supporting block, a second supporting block and a third supporting block, the first supporting block is disposed on the top of the vertical rod and is used for supporting and fixing the back side of the image, and the second supporting block and the third supporting block are disposed at the bottom of the first supporting block;

the space positions of the first supporting block, the second supporting block and the third supporting block are not coplanar, the first supporting block, the second supporting block and the third supporting block are connected with each other through connecting thin rods, each thin rod is movably connected with the supporting blocks on two sides of the thin rod, and the space angle formed among the first supporting block, the second supporting block and the third supporting block can be adjusted.

As a preferable scheme of the present invention, clamping grooves for fixing the image are provided on the second supporting block and the third supporting block; and a sucker is arranged on the first supporting block and is used for sucking and fixing the back side of the image.

As a preferable aspect of the present invention, the adjusting mechanism includes a horizontal shaft, one end of the horizontal shaft is fixedly mounted on the working base, the base is slidably mounted on the horizontal shaft, a control component for controlling the movement of the base is disposed on the horizontal shaft, the control component is mounted along the horizontal shaft, and the base slides on the horizontal shaft so as to adjust a distance between the captured image and the lens to be measured;

the control assembly comprises an accommodating sleeve and a push rod connected to the second jig sliding base, the push rod is arranged in the accommodating sleeve in a telescopic mode and is operated along the length direction of the cross shaft, an operation portion used for controlling the push rod to stretch out and retract into the accommodating sleeve is arranged on the accommodating sleeve, and the operation portion is arranged on one side close to the working base.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can adapt to the lens to be tested with different sizes by arranging the first jig to detachably mount the lens to be tested, and the adjusting mechanism integrally adjusts the distance between the first jig and the second jig, so that the basic testing environment provided by the second jig can adjust the light source environment and adapt to the lens to be tested with different focal length sizes for testing, the object distance is convenient to adjust, the working efficiency is improved, the environmental condition can be changed for many times, and the performance conditions of the lens to be tested in different environments can be tested.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;

FIG. 2 is a side view of a clamp in a mounting assembly provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of an aperture mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of the connection of the suction cup on the first support block according to the embodiment of the present invention;

FIG. 5 is a schematic view of a clamping groove on the second support block according to an embodiment of the present invention;

the reference numerals in the drawings denote the following, respectively:

1-a first jig; 2-a second jig; 3-an adjusting mechanism;

11-a working base; 12-a movable spindle; 13-mounting the assembly; 21-an aperture mechanism; 22-an image mount;

23-a base; 31-horizontal axis; 32-a control component;

131-a fixed substrate; 132-a clamp; 211-bustle pipe housing; 212-ring plate; 213-adjusting knob; 214-leaf; 215-connecting the stent; 221-a support base;

222-a vertical rod; 223-a support frame; 321-a receiving sleeve; 322-a push rod; 323-an operation section;

1321-a clamping frame; 1322-fixing rods; 1323-clamp end; 1324-arc tight fitting; 1325-a spring; 1326-bolt; 2231-a first support block; 2232-a second support block; 2233-a third support block; 2234-connecting thin rods; 22301-a clamping groove; 22302 suction cup.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1 to 5, the present invention provides an adjustable fixture for lens testing, which includes a first fixture 1 and a second fixture 2, wherein the first fixture 1 is connected to the second fixture 2 through an adjusting mechanism 3, the first fixture 1 is used for mounting a lens to be tested, and the second fixture 2 is used for providing an environment and a condition for testing the lens to be tested.

The utility model aims to provide a lens test fixture which can adjust the light source environment and the object distance when a lens is tested so as to test the performance condition of the lens to be tested in different environments and improve the working efficiency.

The first jig 1 comprises a working base 11, the working base 11 is fixedly connected to the end part of the adjusting mechanism 3, an installation component 13 is detachably connected to the working base 11 through a movable rotating shaft 12, a lens to be tested is installed on the installation component 13, and the installation component 13 can rotate under the driving of the movable rotating shaft 12 so as to change the test space range of the lens to be tested;

the mounting assembly 13 includes a fixed substrate tube 131 disposed on the top of the movable shaft 12, the fixed substrate tube 131 is sleeved on the movable shaft 12 and rotates along with the movable shaft 12, and a clamping member 132 for fixing the lens to be tested is disposed in the fixed substrate tube 131.

Specifically, the clamping member 132 includes a clamping frame 1321 disposed in the fixed substrate tube 131, and a clamp body for clamping the lens to be measured is disposed on one side of the clamping frame 1321, and the clamp body includes a pair of clamping arms disposed at the upper and lower sides inside the clamping frame 1321;

the clamping arm comprises a clamp end 1323, one end of the clamp end 1323 is connected to the clamping frame 1321 through a fixing rod 1322, the fixing rod 1322 is connected with the clamping frame 1321 through a bolt 1326, the other end of the clamp end 1323 extends out of the fixed substrate tube body 131, an arc-shaped attaching portion 1324 is arranged at the end of the extending portion of the clamp end 1323, and the arc-shaped attaching portion 1324 is used for tightly attaching and clamping a lens to be measured;

the clamp ends 1323 on the two sides are located at one end of the clamping frame 1321 and connected through a spring 1325, so that the clamp ends on the two sides are opened at different angles to adapt to lenses to be tested with different sizes.

The second jig 2 provides basic light source environment and material images for the lens to be tested during testing, the second jig 2 comprises a base 23, an aperture mechanism 21 and an image mounting mechanism 22, the aperture mechanism 21 and the image mounting mechanism 22 are arranged on the base 23, and the base 23 is connected to the adjusting mechanism 3; the aperture mechanism 21 is used to adjust the light source environment during testing of the lens to be tested, and the image mounting mechanism 22 is used to place the image for testing the lens to be tested.

In detail, the diaphragm mechanism 21 includes a ring tube housing 211, the ring tube housing 211 is mounted on the top of the base 23 through a connecting bracket 215, a plurality of movable blades 214 are mounted in the ring tube housing 211 through ring pieces 212, the ring pieces 212 are embedded inside the ring tube housing 211, and adjusting buttons 213 are disposed outside the ring tube housing 211 corresponding to the ring pieces 212, the adjusting buttons 213 adjust the light transmission intensity of the blades 214 under the action of external force, thereby changing the test light source environment of the lens to be tested.

The image mounting mechanism 22 includes a support base 221 disposed on the base 23, a vertical rod 222 is mounted on a top of the support base 221, and a support frame 223 is disposed on a top of the vertical rod, and the support frame 223 is used for fixedly supporting a test image of the lens to be tested.

Specifically, the supporting frame 223 includes a first supporting block 2231, a second supporting block 2232 and a third supporting block 2233, the first supporting block 2231 is disposed at the top of the vertical bar 222 and is used for supporting the back side of the fixed image, and the second supporting block 2232 and the third supporting block 2233 are disposed at the bottom of the first supporting block 2231;

the spatial positions of the first supporting block 2231, the second supporting block 2232 and the third supporting block 2233 are not coplanar, and the adjacent two supporting blocks are connected by a connecting thin rod 2234, each thin rod 2234 is movably connected with the supporting blocks at two sides of the thin rod 2234, and the spatial angle formed among the first supporting block 2231, the second supporting block 2232 and the third supporting block 2233 can be adjusted.

During testing, the clamping piece 113 on the mounting assembly 13 and the image mounting mechanism 22 are in the same line, the aperture mechanism 21 is highly adaptive, and the light transmittance can be adjusted by adjusting the blade 214 through the adjusting knob 213 to adjust the light source environment.

In addition, in order to stably place the test image, a clamp groove 22301 for fixing the image is formed in the second support block 2232 and the third support block 2233, a suction cup 22302 is formed in the first support block 2231, and the suction cup 22302 sucks the back side of the fixed image.

The adjusting mechanism 3 comprises a transverse shaft 31, one end of the transverse shaft 31 is fixedly arranged on the working base 11, the base 23 is slidably arranged on the transverse shaft 31, a control component 32 for controlling the movement of the base 23 is arranged on the transverse shaft 31, the control component 32 is arranged along the transverse shaft 31, and the base 23 slides on the transverse shaft 31 so as to adjust the distance between a shot image and a lens to be measured;

the control assembly 32 comprises a containing sleeve 321 and a push rod 322 connected to the sliding base of the second jig 2, the push rod 322 is telescopically mounted in the containing sleeve 321, the push rod 322 works along the length direction of the transverse shaft 31, an operating part 323 used for controlling the push rod 322 to extend out of and retract into the containing sleeve 321 is arranged on the containing sleeve 321, and the operating part 323 is mounted on one side close to the working base 11.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. The utility model provides an adjustable tool for camera lens test, its characterized in that includes first tool (1) and second tool (2), first tool (1) through adjustment mechanism (3) with second tool (2) are connected, first tool (1) is used for installing the camera lens that awaits measuring, second tool (2) are used for providing the environment and the condition of camera lens test that awaits measuring, adjustment mechanism (3) are used for adjusting second tool (2) with the distance between second tool (2).

2. The adjustable jig for testing the lens as claimed in claim 1, wherein the first jig (1) comprises a working base (11), the working base (11) is fixedly connected to the end of the adjusting mechanism (3), a mounting component (13) is detachably connected to the working base (11) through a movable rotating shaft (12), the lens to be tested is mounted on the mounting component (13), and the mounting component (13) can be driven by the movable rotating shaft (12) to rotate so as to change the testing space range of the lens to be tested;

the mounting assembly (13) comprises a fixed substrate tube body (131) arranged at the top of the movable rotating shaft (12), the fixed substrate tube body (131) is sleeved on the movable rotating shaft (12) and follows the movable rotating shaft (12) to rotate, and a clamping piece (132) used for fixing the lens to be tested is arranged in the fixed substrate tube body (131).

3. The adjustable fixture for testing the lens as claimed in claim 2, wherein the clamping member (132) comprises a clamping frame (1321) disposed in the fixed substrate tube (131), a clamping body for clamping the lens to be tested is disposed on one side of the clamping frame (1321), and the clamping body comprises a pair of clamping arms disposed on the upper and lower sides inside the clamping frame (1321);

the clamping arm comprises a clamp end (1323), one end of the clamp end (1323) is connected to the clamping frame (1321) through a fixing rod (1322), the fixing rod (1322) is connected with the clamping frame (1321) through a bolt (1326), the other end of the clamp end (1323) extends out of the fixed substrate tube body (131), an arc-shaped attaching portion (1324) is arranged at the end of the extending portion of the clamp end (1323), and the arc-shaped attaching portion (1324) is used for tightly attaching and clamping the lens to be measured;

the clamp ends (1323) on the two sides are located at one end of the clamping frame (1321) and are connected through a spring (1325), so that the clamp ends on the two sides are opened at different angles to adapt to the lenses to be tested with different sizes.

4. An adjustable jig for lens test according to claim 3, characterized in that the second jig (2) comprises a base (23) and an aperture mechanism (21) and an image mounting mechanism (22) arranged on the base (23), the base (23) is connected to the adjusting mechanism (3); the aperture mechanism (21) is used for adjusting the light source environment of the lens to be tested during testing, and the image mounting mechanism (22) is used for placing an image for testing the lens to be tested.

5. The adjustable jig for lens tests as claimed in claim 4, wherein the diaphragm mechanism (21) comprises a collar housing (211), the collar housing (211) is mounted on the top of the base (23) through a connecting bracket (215), a plurality of movable blades (214) are mounted in the collar housing (211) through a ring plate (212), the ring plate (212) is embedded in the collar housing (211), and an adjusting knob (213) is disposed outside the collar housing (211) at a position corresponding to the ring plate (212), the adjusting knob (213) adjusts the light transmission intensity of the blades (214) under the action of external force, so as to change the light source environment of the test light source of the lens to be tested.

6. The adjustable fixture for lens test as claimed in claim 4, wherein the image mounting mechanism (22) comprises a supporting base (221) disposed on the base (23), a vertical rod (222) is mounted on top of the supporting base (221), a supporting frame (223) is disposed on top of the vertical rod, and the supporting frame (223) is used for fixedly supporting the test image of the lens to be tested.

7. The adjustable jig for lens test as claimed in claim 6, wherein the supporting frame body (223) comprises a first supporting block (2231), a second supporting block (2232) and a third supporting block (2233), the first supporting block (2231) is disposed on the top of the vertical rod (222) and is used for supporting and fixing the image back side surface, and the second supporting block (2232) and the third supporting block (2233) are disposed on the bottom of the first supporting block (2231);

the spatial positions of the first supporting block (2231), the second supporting block (2232) and the third supporting block (2233) are not coplanar, the adjacent first supporting block, the second supporting block and the third supporting block are connected through a connecting thin rod (2234), each thin rod (2234) is movably connected with the supporting blocks on two sides of the thin rod, and the spatial angle formed among the first supporting block (2231), the second supporting block (2232) and the third supporting block (2233) can be adjusted.

8. The adjustable jig for lens test as claimed in claim 7, wherein a clip groove (22301) for fixing the image is provided on the second supporting block (2232) and the third supporting block (2233); a suction cup (22302) is provided on the first support block (2231), and the suction cup (22302) fixes the back side of the image by suction.

9. The adjustable jig for lens test according to claim 8, characterized in that the adjusting mechanism (3) comprises a horizontal shaft (31), one end of the horizontal shaft (31) is fixedly installed on the working base (11), the base (23) is slidably installed on the horizontal shaft (31), a control component (32) for controlling the movement of the base (23) is arranged on the horizontal shaft (31), the control component (32) is installed along the horizontal shaft (31), and the base (23) slides on the horizontal shaft (31) so as to adjust the distance between the shot image and the lens to be tested;

control assembly (32) are including accomodating sleeve (321) and connecting catch bar (322) on second tool (2) sliding bottom, catch bar (322) are flexible to be installed in accomodating sleeve (321) just catch bar (322) are followed cross axle (31) length direction work it is used for control to accomodate to be provided with on sleeve (321) catch bar (322) stretch out and retract operation portion (323) in accomodating sleeve (321), operation portion (323) are installed and are being close to one side of working bottom (11).