CN219625786U - High-efficient calibration anchor clamps of high accuracy camera lens - Google Patents

High-efficient calibration anchor clamps of high accuracy camera lens Download PDF

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Publication number
CN219625786U
CN219625786U CN202321169489.6U CN202321169489U CN219625786U CN 219625786 U CN219625786 U CN 219625786U CN 202321169489 U CN202321169489 U CN 202321169489U CN 219625786 U CN219625786 U CN 219625786U
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China
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lens
clamping ring
wall
end cover
threaded hole
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CN202321169489.6U
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Chinese (zh)
Inventor
孙建军
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Shanghai Foye Optical Technology Co ltd
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Shanghai Foye Optical Technology Co ltd
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Abstract

The utility model discloses a high-efficiency calibration fixture for a high-precision lens, which comprises an end cover, wherein a first lens is arranged in the end cover, a second lens is arranged below the first lens, a third lens is arranged below the second lens, a clamping mechanism is arranged in the end cover, the clamping mechanism comprises a first clamping ring, a second clamping ring and a third clamping ring, the first lens is arranged in the first clamping ring in a penetrating way, the second lens is arranged in the second clamping ring in a penetrating way, and the third lens is arranged in the third clamping ring in a penetrating way. According to the utility model, the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are matched, so that the positions of the spherical centers of the first lens, the second lens and the third lens can be adjusted, and the first calibration is only required to be completed in the same batch of assembly and adjustment, so that a great amount of calibration time is saved compared with the calibration required before each adjustment in a laboratory, and the working efficiency is improved.

Description

High-efficient calibration anchor clamps of high accuracy camera lens
Technical Field
The utility model relates to the technical field of lens calibration, in particular to a high-efficiency calibration clamp for a high-precision lens.
Background
The high-precision lens assembly and adjustment has higher requirement on concentricity, the initial calibration is required to coincide with a theoretical model, if the initial calibration is required to be carried out step by step according to the requirement of a laboratory, a great amount of time is required to be consumed, the time cost is not matched with the requirement of mass production, and the lenses of the same batch are required to be calibrated in sequence, so that the work is complex, and therefore, the high-precision lens efficient calibration fixture capable of improving the efficiency is provided.
Disclosure of Invention
The utility model aims to provide a high-precision lens efficient calibration clamp for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-efficiency calibration fixture for the high-precision lens comprises an end cover, wherein a first lens is arranged in the end cover, a second lens is arranged below the first lens, and a third lens is arranged below the second lens;
a clamping mechanism is arranged in the end cover;
the clamping mechanism comprises a first clamping ring, a second clamping ring and a third clamping ring, wherein the first clamping ring is arranged in the end cover in a penetrating mode, the first lens is arranged in the first clamping ring in a penetrating mode, the second clamping ring is arranged in the end cover in a penetrating mode, the second lens is arranged in the second clamping ring in a penetrating mode, the third clamping ring is arranged in the end cover in a penetrating mode, the third lens is arranged in the third clamping ring in a penetrating mode, a plurality of first adjusting mechanisms are arranged outside the first clamping ring, a plurality of second adjusting mechanisms are arranged outside the second clamping ring, and a plurality of third adjusting mechanisms are arranged on the outer wall of the third clamping ring.
Preferably, the first adjusting mechanism comprises a first threaded hole and a first screw rod, the first threaded hole is formed in the outer wall of the end cover, and the outer wall of the first screw rod is in threaded connection with the inner wall of the first threaded hole.
Preferably, the second adjusting mechanism comprises a second threaded hole and a second screw rod, the second threaded hole is formed in the outer wall of the end cover, and the outer wall of the second screw rod is in threaded connection with the inner wall of the second threaded hole.
Preferably, the third adjusting mechanism comprises a third threaded hole and a third screw rod, the third threaded hole is formed in the outer wall of the end cover, and the outer wall of the third screw rod is in threaded connection with the inner wall of the third threaded hole.
Preferably, the inside interlude of end cover is provided with the lens cone, first snap ring, second snap ring and third snap ring all interlude and set up in the inside of lens cone, first communication hole has been seted up to the outer wall of lens cone, first screw rod interlude sets up in the inside of first communication hole, the second communication hole has been seted up to the outer wall of lens cone, the second screw rod interlude sets up in the inside of second communication hole, the third communication hole has been seted up to the outer wall of lens cone, the third screw rod interlude sets up in the inside of third communication hole.
Preferably, a base is inserted at the bottom of the inner wall of the end cover, a backing ring is arranged at the top end of the base, and the backing ring is inserted in the lens cone.
Preferably, a gasket is arranged between the end cover and the lens barrel, a fourth communication hole is formed in the outer wall of the gasket, and the first screw rod is inserted into the fourth communication hole.
The utility model has the technical effects and advantages that:
according to the utility model, the first adjusting mechanism, the second adjusting mechanism and the third adjusting mechanism are matched, so that the positions of the spherical centers of the first lens, the second lens and the third lens can be adjusted, and the first calibration is only required to be completed in the same batch of assembly and adjustment, so that a great amount of calibration time is saved compared with the calibration required before each adjustment in a laboratory, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the front cross-sectional structure of the present utility model.
Fig. 2 is a schematic view of a partial enlarged structure at a of fig. 1 according to the present utility model.
In the figure: 101. an end cap; 102. a first lens; 103. a second lens; 104. a third lens; 201. a first snap ring; 202. a second snap ring; 203. a third snap ring; 204. a first threaded hole; 205. a first screw; 206. a second threaded hole; 207. a second screw; 208. a third threaded hole; 209. a third screw; 301. a lens barrel; 302. a first communication hole; 303. a second communication hole; 304. a third communication hole; 401. a base; 402. a backing ring; 501. a gasket; 502. and a fourth communication hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a high-precision lens efficient calibration fixture as shown in fig. 1-2, which comprises an end cover 101, wherein a first lens 102 is arranged in the end cover 101, a second lens 103 is arranged below the first lens 102, and a third lens 104 is arranged below the second lens 103;
the inside of the end cover 101 is provided with a clamping mechanism, the clamping mechanism comprises a first clamping ring 201, a second clamping ring 202 and a third clamping ring 203, the first clamping ring 201 is arranged in the inside of the end cover 101 in a penetrating way, the first lens 102 is arranged in the inside of the first clamping ring 201 in a penetrating way, the second clamping ring 202 is arranged in the inside of the end cover 101 in a penetrating way, the second lens 103 is arranged in the inside of the second clamping ring 202 in a penetrating way, the third clamping ring 203 is arranged in the inside of the end cover 101 in a penetrating way, the third lens 104 is arranged in the inside of the third clamping ring 203 in a penetrating way, a plurality of first adjusting mechanisms are arranged outside the first clamping ring 201, a plurality of second adjusting mechanisms are arranged outside the second clamping ring 202, a plurality of third adjusting mechanisms are arranged on the outer wall of the third clamping ring 203, the position of the first clamping ring 201 is adjusted through the first adjusting mechanism, so that the position of the first lens 102 is shifted, the position of the second clamping ring 202 is adjusted through the second adjusting mechanism, so that the position of the second lens 103 is shifted, the position of the third clamping ring 203 is adjusted through the third adjusting mechanism, so that the position of the third lens 104 is shifted, and the first lens 102, the second lens 103 and the third lens 104 meet the design requirement;
preferentially, the first adjusting mechanism comprises a first threaded hole 204 and a first screw rod 205, the first threaded hole 204 is formed in the outer wall of the end cover 101, the outer wall of the first screw rod 205 is in threaded connection with the inner wall of the first threaded hole 204, and the first clamping ring 201 is moved by screwing the first screw rod 205 in the first threaded hole 204, so that the first clamping ring 201 drives the first lens 102 to move, and the center of sphere of the first lens 102 is shifted;
preferentially, the second adjusting mechanism comprises a second threaded hole 206 and a second screw rod 207, the second threaded hole 206 is formed in the outer wall of the end cover 101, the outer wall of the second screw rod 207 is in threaded connection with the inner wall of the second threaded hole 206, and the second clamping ring 202 is moved by screwing the second screw rod 207 in the second threaded hole 206, so that the second clamping ring 202 drives the second lens 103 to move, and the center of sphere of the second lens 103 is shifted;
preferentially, the third adjusting mechanism comprises a third threaded hole 208 and a third screw 209, the third threaded hole 208 is formed in the outer wall of the end cover 101, the outer wall of the third screw 209 is in threaded connection with the inner wall of the third threaded hole 208, and the third clamping ring 203 is moved by screwing the third screw 209 in the third threaded hole 208, so that the third clamping ring 203 drives the third lens 104 to move, and the center of sphere of the third lens 104 is shifted;
preferentially, the lens barrel 301 is inserted and arranged in the end cover 101, the first clamping ring 201, the second clamping ring 202 and the third clamping ring 203 are inserted and arranged in the lens barrel 301, the first communication hole 302 is formed in the outer wall of the lens barrel 301, the first screw 205 is inserted and arranged in the first communication hole 302, the second communication hole 303 is formed in the outer wall of the lens barrel 301, the second screw 207 is inserted and arranged in the second communication hole 303, the third communication hole 304 is formed in the outer wall of the lens barrel 301, the third screw 209 is inserted and arranged in the third communication hole 304, a section of end face upper end of the lens barrel 301 is exposed, the mounting center deviation and the end face parallelism deviation of the lens barrel 301 can be directly measured, and the reliability and the accuracy of repeated positioning are ensured;
preferentially, the bottom of the inner wall of the end cover 101 is provided with a base 401 in a penetrating way, the top end of the base 401 is provided with a backing ring 402, the backing ring 402 is arranged in the lens cone 301 in a penetrating way, and the outer circle of the base 401 and the clamping inner diameter of the lens cone 301 are concentric with each other with high precision, so that when the lens frame is repeatedly installed, the lens frame is kept concentric with the outer circle of the base 401, and the central shaft of the measuring base 401 is adjusted to coincide with the rotation center of the air flotation platform, so that the measurement repeated positioning precision is improved, and the working efficiency is improved;
preferably, a gasket 501 is disposed between the end cover 101 and the lens barrel 301, a fourth communication hole 502 is formed in the outer wall of the gasket 501, the first screw 205 is inserted into the fourth communication hole 502, the lens barrel 301 is tightly attached to the reference positioning surface of the base 401 through the gasket 501, and the end surface of the lens barrel 301 is guaranteed to be parallel to the reference positioning surface, so that the lens barrel 301 to be tested is guaranteed to be repeatedly installed and positioned.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The high-efficiency calibration fixture for the high-precision lens comprises an end cover (101), wherein a first lens (102) is arranged in the end cover (101), a second lens (103) is arranged below the first lens (102), and a third lens (104) is arranged below the second lens (103);
the method is characterized in that: a clamping mechanism is arranged in the end cover (101);
the clamping mechanism comprises a first clamping ring (201), a second clamping ring (202) and a third clamping ring (203), wherein the first clamping ring (201) is arranged inside the end cover (101) in a penetrating mode, the first lens (102) is arranged inside the first clamping ring (201) in a penetrating mode, the second clamping ring (202) is arranged inside the end cover (101) in a penetrating mode, the second lens (103) is arranged inside the second clamping ring (202) in a penetrating mode, the third clamping ring (203) is arranged inside the end cover (101) in a penetrating mode, the third lens (104) is arranged inside the third clamping ring (203) in a penetrating mode, a plurality of first adjusting mechanisms are arranged outside the first clamping ring (201), a plurality of second adjusting mechanisms are arranged outside the second clamping ring (202), and a plurality of third adjusting mechanisms are arranged on the outer wall of the third clamping ring (203).
2. The high-efficiency calibration fixture for the high-precision lens according to claim 1, wherein the first adjusting mechanism comprises a first threaded hole (204) and a first screw rod (205), the first threaded hole (204) is formed in the outer wall of the end cover (101), and the outer wall of the first screw rod (205) is in threaded connection with the inner wall of the first threaded hole (204).
3. The high-efficiency calibration fixture for the high-precision lens according to claim 2, wherein the second adjusting mechanism comprises a second threaded hole (206) and a second screw rod (207), the second threaded hole (206) is formed in the outer wall of the end cover (101), and the outer wall of the second screw rod (207) is in threaded connection with the inner wall of the second threaded hole (206).
4. A high-efficiency calibration fixture for a high-precision lens according to claim 3, wherein the third adjusting mechanism comprises a third threaded hole (208) and a third screw (209), the third threaded hole (208) is formed in the outer wall of the end cover (101), and the outer wall of the third screw (209) is in threaded connection with the inner wall of the third threaded hole (208).
5. The high-efficiency calibration fixture for the high-precision lens according to claim 4, wherein a lens barrel (301) is inserted in the end cover (101), the first clamping ring (201), the second clamping ring (202) and the third clamping ring (203) are inserted in the lens barrel (301), a first communication hole (302) is formed in the outer wall of the lens barrel (301), the first screw (205) is inserted in the first communication hole (302), a second communication hole (303) is formed in the outer wall of the lens barrel (301), the second screw (207) is inserted in the second communication hole (303), a third communication hole (304) is formed in the outer wall of the lens barrel (301), and the third screw (209) is inserted in the third communication hole (304).
6. The efficient calibration fixture for the high-precision lens of claim 5, wherein a base (401) is inserted at the bottom of the inner wall of the end cover (101), a backing ring (402) is arranged at the top end of the base (401), and the backing ring (402) is inserted in the lens barrel (301).
7. The high-efficiency calibration fixture for the high-precision lens according to claim 6, wherein a gasket (501) is arranged between the end cover (101) and the lens barrel (301), a fourth communication hole (502) is formed in the outer wall of the gasket (501), and the first screw (205) is inserted into the fourth communication hole (502).
CN202321169489.6U 2023-05-16 2023-05-16 High-efficient calibration anchor clamps of high accuracy camera lens Active CN219625786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321169489.6U CN219625786U (en) 2023-05-16 2023-05-16 High-efficient calibration anchor clamps of high accuracy camera lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321169489.6U CN219625786U (en) 2023-05-16 2023-05-16 High-efficient calibration anchor clamps of high accuracy camera lens

Publications (1)

Publication Number Publication Date
CN219625786U true CN219625786U (en) 2023-09-01

Family

ID=87794869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321169489.6U Active CN219625786U (en) 2023-05-16 2023-05-16 High-efficient calibration anchor clamps of high accuracy camera lens

Country Status (1)

Country Link
CN (1) CN219625786U (en)

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