CN217717246U

CN217717246U - Lens clamp for mechanical impact test

Info

Publication number: CN217717246U
Application number: CN202220968955.6U
Authority: CN
Inventors: 刘博�; 郑航鹏; 张武; 程露; 欧阳称华
Original assignee: Jiangxi Lianyi Optics Co Ltd
Current assignee: Jiangxi Lianyi Optics Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-11-01
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a camera lens technical field, concretely relates to a camera lens anchor clamps for mechanical shock test, including tool platform, spiral cover, anchor clamps platform, the tool platform includes double-screw bolt and lower double-screw bolt, offer the fixed slot that is used for placing the camera lens on the last double-screw bolt, the anchor clamps platform includes the intermediate lamella and sets up left side board and the right side board on intermediate lamella both sides, all be provided with the screw thread through-hole of a plurality of perpendicular to faces on intermediate lamella, left side board, the right side board. The fixture table of the utility model is connected with the rotary cover through the upper stud and the lower stud in a threaded manner, the upper stud is provided with a fixed groove for placing the lens, the lens is fixed in the fixed groove through the rotary cover, and the fixture table is used as an intermediate carrier to complete the connection between the fixture table and the lens; the utility model has simple integral structure and convenient processing and operation, can save the test time and improve the impact test efficiency; meanwhile, the impact frequency of the test machine can be reduced, and the service life of the machine is prolonged.

Description

Lens clamp for mechanical impact test

Technical Field

The utility model relates to a camera lens technical field, concretely relates to a camera lens anchor clamps for mechanical shock test.

Background

With the continuous development of optical technology, the application range of the lens is also continuously expanded, and the requirements on the structure and performance of the lens are more and more strict. The lens can be impacted mechanically during transportation, installation and use, and at present, mechanical impact tests are mainly adopted to simulate impacts in six directions of +/-X, + -Y and +/-Z, then the impact resistance of the product is verified, and the change of the optical performance of the product is tested.

In general, the requirement of mechanical impact testing is to perform impact testing in six directions on a plurality of samples. The existing lens impact clamp can only fix the single direction of a sample, so that the mechanical impact test can only test the single direction impact of the sample every time, and the test of multiple directions of other samples cannot be simultaneously carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a camera lens anchor clamps for mechanical shock test.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a camera lens anchor clamps for mechanical shock test for fixed camera lens, includes tool platform, spiral cover, anchor clamps platform, the tool platform includes double-screw bolt and lower double-screw bolt, go up double-screw bolt and spiral cover threaded connection, double-screw bolt and anchor clamps platform threaded connection down, offer the fixed slot that is used for placing the camera lens on the last double-screw bolt, the spiral cover card is in the top of camera lens, the anchor clamps platform includes the intermediate lamella and sets up left side board and the right side board on intermediate lamella both sides, the intermediate lamella is on a parallel with the horizontal plane, left side board and right side board are perpendicular to intermediate lamella downwardly extending respectively, left side board and right side board are on a parallel with each other, all be provided with the screw thread through-hole of a plurality of perpendicular to faces on intermediate lamella, left side board, right side board, double-screw bolt and screw thread through-hole threaded connection down.

Furthermore, connecting plates are arranged on two sides of the clamp platform, and U-shaped grooves are formed in the connecting plates.

Further, the lens includes a square lens, and the fixing groove includes a square groove matching the square lens.

Furthermore, the camera lens comprises a square lens nut, the lens comprises a circular thread lens, and the lens nut is in threaded connection with the circular thread lens and forms a structure of the square lens.

Furthermore, arc grooves are uniformly distributed around the fixing groove.

Furthermore, a positioning groove for judging the direction is formed in the upper stud.

Furthermore, be provided with a plurality of jack catchs on the spiral cover, the up end butt of jack catch and camera lens, the jack catch blocks the picture frame of camera lens.

Furthermore, corners of the part of the screw cap, which is in contact with the lens, are all rounded corners.

The utility model has the advantages that: as can be seen from the above description of the present invention, compared with the prior art, the lens clamp of the present invention comprises a jig table, a screw cap, and a clamp table, wherein the jig table is connected with the screw cap through an upper stud, and is connected with the clamp table through a lower stud, a fixing groove is provided on the upper stud for placing the lens, the lens is fixed in the fixing groove through the screw cap, and the jig table is used as an intermediate carrier to complete the connection between the jig table and the lens; the fixture table comprises a middle plate, a left side plate and a right side plate, the middle plate, the left side plate and the right side plate form a three-dimensional positioning structure, the axial directions of the lenses fixed on the threaded through holes are different because the axial directions of the threaded through holes are different, and each mechanical impact test can carry out multi-direction impact tests on a plurality of lens samples, so that the test efficiency is improved; the utility model has simple integral structure and convenient processing and operation, can save the test time and improve the impact test efficiency; meanwhile, the impact frequency of the test machine can be reduced, and the service life of the machine is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a lens holder for mechanical shock test according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a lens, a jig table, and a screw cap according to a preferred embodiment of the present invention;

FIG. 3 is a schematic perspective view of a jig table according to a preferred embodiment of the present invention;

fig. 4 is a schematic top view of a square lens according to a preferred embodiment of the present invention;

FIG. 5 is a schematic top view of a square lens nut according to a preferred embodiment of the present invention;

fig. 6 is a schematic top view of a circular screw lens according to a preferred embodiment of the present invention;

reference numerals: 1. a lens; 2. a jig table; 3. screwing a cover; 4. a jig stage; 5. a square lens nut; 11. a square lens; 12. a circular screw lens; 21. an upper stud; 22. a lower stud; 23. fixing grooves; 24. an arc groove; 25. positioning a groove; 31. a claw; 41. a middle plate; 42. a left side plate; 43. a right side plate; 44. a threaded through hole; 45. a connecting plate; 46. a U-shaped groove.

Detailed Description

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the preferred embodiment of the present invention provides a lens fixture for mechanical shock test, which is used for fixing a lens 1, and includes a fixture table 2, a screw cap 3, and a fixture table 4, the fixture table 2 includes a screw bolt 21 and a lower screw bolt 22, the screw bolt 21 is in threaded connection with the screw cap 3, the lower screw bolt 22 is in threaded connection with the fixture table 4, a fixing groove 23 for placing the lens 1 is provided on the upper screw bolt 21, the screw cap 3 is clamped above the lens 1, the fixture table 4 includes a middle plate 41 and a left side plate 42 and a right side plate 43 provided on both sides of the middle plate 41, the middle plate 41 is parallel to a horizontal plane, the left side plate 42 and the right side plate 43 are respectively perpendicular to the middle plate 41 and extend downwards, the left side plate 42 and the right side plate 43 are parallel, a plurality of threaded through holes 44 perpendicular to the plate surface are provided on the middle plate 41, the left side plate 42 and the right side plate 43, and the threaded through holes 44 are in threaded connection.

The utility model discloses a lens clamp includes tool platform 2, spiral cover 3, fixture platform 4, tool platform 2 is through last double-screw bolt 21 and spiral cover 3 threaded connection, through lower double-screw bolt 22 and fixture platform 4 threaded connection, set up fixed slot 23 on last double-screw bolt 21 and place camera lens 1, and fix camera lens 1 in fixed slot 23 through spiral cover 3, accomplish the connection of fixture platform 4 and camera lens 1 with tool platform 2 as the intermediate carrier; the fixture table 4 comprises a middle plate 41, a left side plate 42 and a right side plate 43, the middle plate 41, the left side plate 42 and the right side plate 43 form a three-dimensional positioning structure, the axial directions of the threaded through holes 44 are different, so that the axial directions of the lenses 1 fixed on the threaded through holes 44 are also different, each mechanical shock test can carry out multi-direction shock tests on a plurality of lens 1 samples, and the test efficiency is improved; the utility model has simple integral structure and convenient processing and operation, can save the test time and improve the impact test efficiency; meanwhile, the impact frequency of the test machine can be reduced, and the service life of the machine is prolonged.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, two sides of the fixture table 4 are provided with connecting plates 45, and the connecting plates 45 are provided with U-shaped grooves 46. Through setting up connecting plate 45 on fixture table 4 both sides to set up U type groove 46 and mechanical shock test platform threaded connection on connecting plate 45, the design of U type groove 46 makes fixture table 4's bolt fastening scope great, can realize the fixed of a plurality of different width and length's test platform.

In the present embodiment, the lens 1 includes a square lens 11, and the fixing groove 23 includes a square groove matching the square lens 11. The square lens 11 is positioned and placed in the fixing groove 23 through the square groove matched with the square lens 11, the square lens 11 refers to that the lens barrel of the lens 1 is square, the side surface and the step surface of the lens barrel of the lens 1 are directly contacted with the fixing groove 23 of the jig table 2, and then the screw cap 3 is connected with the jig table 2 through threads to clamp the upper part of the lens 1, so that the whole lens 1 is fixed.

In this embodiment, the lens module further includes a square lens nut 5, the lens 1 includes a circular threaded lens 12, and the lens 1 nut is in threaded connection with the circular threaded lens 12 and forms a structure of the square lens 11. Except square lens 11, circular screw thread camera lens 12 is also common for camera lens 1, and the lens cone of camera lens 1 is circular screw thread structure promptly, and the circular shape structure is not fixed well, consequently increases a square lens nut 5 and is connected with circular screw thread camera lens 12 to make its structure convert to and can test square lens 11 structure, the utility model discloses can fix and test two kinds of camera lenses 1 most commonly used, it is comparatively convenient to use.

In this embodiment, arc grooves 24 are uniformly distributed around the fixing groove 23. The arc grooves 24 are formed around the fixing grooves 23 to reserve a taking gap for the lens 1 to be placed and taken out.

In this embodiment, the upper stud 21 is provided with a positioning slot 25 for determining the direction. The upper stud 21 is provided with a positioning groove 25, the position of the positioning groove 25 is vertically and equally divided on the inner side surfaces of the jig tables 2 at two sides, and the positioning groove 25 is rotated by 90 degrees and is vertically perpendicular to the horizontal line to be in the Y direction by taking the parallel horizontal line as the X direction according to the position of the positioning groove 25, so that the lens 1 is positioned in the X and Y directions; the lens 1 can be arranged on the jig table 2 along the X direction or the Y direction, so that impact tests in the +/-X direction and the +/-Y direction can be simultaneously realized; the middle plate 41 of the clamp table 4 comprises a plurality of through hole threads, so that the jig table 2 can be fixed up and down respectively to realize the impact in the +/-Z direction; thereby can realize carrying out the ascending mechanical shock of a plurality of directions of a plurality of samples simultaneously, positive and negative direction is relevant with the installation direction of tool platform 2, and installation still from inside to outside is installed promptly from outside-in, consequently, the utility model discloses mechanical shock test at every turn can accomplish the mechanical shock test of these 6 directions of X, +/-Y, +/-Z, improves efficiency of software testing.

In this embodiment, the screw cap 3 is provided with a plurality of claws 31, the claws 31 abut against the upper end surface of the lens 1, and the claws 31 clamp the lens frame of the lens 1. Spiral cover 3 blocks the up end of camera lens 1 through jack catch 31 to make camera lens 1 fix in tool platform 2, jack catch 31 blocks the picture frame of camera lens 1, and jack catch 31 centre gripping length can just be fixed to the longest distance of picture frame terminal surface, does not contact with the lens, can not cause the influence to the test.

In this embodiment, the corners of the portion of the screw cap 3 in contact with the lens 1 are rounded. The corners of the bottom of the screw cap 3 and the front end of the claw 31 are all rounded, so that the part of the screw cap 3 contacting with the lens 1 is a round corner, and scratching is prevented.

The above additional technical features can be freely combined and used in addition by those skilled in the art without conflict.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A lens clamp for mechanical shock test is used for fixing a lens (1), and is characterized in that: including tool platform (2), spiral cover (3), anchor clamps platform (4), tool platform (2) are including last double-screw bolt (21) and lower double-screw bolt (22), go up double-screw bolt (21) and spiral cover (3) threaded connection, double-screw bolt (22) and anchor clamps platform (4) threaded connection down, go up and offer fixed slot (23) that are used for placing camera lens (1) on double-screw bolt (21), spiral cover (3) card is in the top of camera lens (1), anchor clamps platform (4) include intermediate lamella (41) and set up left side board (42) and right side board (43) on intermediate lamella (41) both sides, intermediate lamella (41) are on a parallel with the horizontal plane, left side board (42) and right side board (43) are perpendicular to intermediate lamella (41) downwardly extending respectively, left side board (42) and right side board (43) parallel, all be provided with the screw thread through-hole (44) of a plurality of perpendicular to face on intermediate lamella (41), left side board (42), right side board (43), all be provided with screw thread through-hole (44) on double-screw bolt (22) and the screw thread through-hole (44) down.

2. The lens holder for mechanical shock testing as set forth in claim 1, wherein: and connecting plates (45) are arranged on two sides of the clamp table (4), and U-shaped grooves (46) are formed in the connecting plates (45).

3. The lens holder for mechanical shock testing as set forth in claim 1, wherein: the lens (1) comprises a square lens (11), and the fixing groove (23) comprises a square groove matched with the square lens (11).

4. The lens holder for mechanical shock test as set forth in claim 3, wherein: still include square lens nut (5), camera lens (1) are including circular screw thread camera lens (12), camera lens (1) nut and circular screw thread camera lens (12) threaded connection and form the structure of square camera lens (11).

5. The lens holder for mechanical shock testing as set forth in claim 1, wherein: arc grooves (24) are uniformly distributed around the fixing groove (23).

6. The lens holder for mechanical shock testing as set forth in claim 1, wherein: and the upper stud (21) is provided with a positioning groove (25) for judging the direction.

7. The lens holder for mechanical shock testing as set forth in claim 1, wherein: be provided with a plurality of jack catchs (31) on spiral cover (3), jack catch (31) and the up end butt of camera lens (1), jack catch (31) block the picture frame of camera lens (1).

8. The lens holder for mechanical shock testing as set forth in claim 7, wherein: the corners of the part, in contact with the lens (1), of the spiral cover (3) are all round corners.