CN218413088U

CN218413088U - Lens assembling and disassembling structure

Info

Publication number: CN218413088U
Application number: CN202222935332.1U
Authority: CN
Inventors: 刘明凤
Original assignee: Shanghai Jingsheng Optoelectronic Technology Co ltd
Current assignee: Shanghai Jingsheng Optoelectronic Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-01-31
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of lens assembly and disassembly of laser beam expanders, in particular to a lens assembly and disassembly structure, which comprises a chute, a focal length adjusting mechanism positioned in the chute and a lens assembly and disassembly mechanism positioned on the right side of the chute; the left side of spout is provided with the laser beam expanding lens body, and the inside of laser beam expanding lens body is provided with the second lens, lens dismouting mechanism includes first lens standing groove. The utility model discloses a pulling pull rod, drive the gag lever post and move down, can make bottom plate and first lens standing groove pop out the inside of lens frame under the spring action of first spring, first lens standing groove pops out the back, can follow the left and right sides of first lens standing groove and dismantle the installation change to first lens, it is very convenient, the current laser beam expanding lens body of solution need use extra instrument to carry out the dismouting mostly when changing the lens, be not convenient for in time change the lens, influence the problem of the work efficiency of laser beam expanding lens.

Description

Lens assembling and disassembling structure

Technical Field

The utility model relates to a lens dismouting technical field of laser beam expanding lens specifically is a camera lens dismouting structure.

Background

The laser beam expander has the functions of expanding the diameter of a laser beam and reducing the divergence angle of the laser beam, wherein the lens of the laser beam expander is one of core components of the laser beam expander, and the lens can directly influence the working quality and the efficiency of the laser beam expander. After long-time use, the lens of the laser beam expander can have the phenomena of film falling, dent, scratch and the like to a certain degree, so that the function of the laser beam expander is greatly reduced, and therefore, if the efficacy of the laser equipment is required to be normally exerted, a new lens needs to be replaced in time.

Present laser beam expander needs to use extra instrument mostly to carry out the dismouting when changing the lens, and the lens is not convenient for in time change, influences laser beam expander's work efficiency, and for this, we provide a camera lens dismouting structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera lens dismouting structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a lens assembling and disassembling structure comprises a chute, a focal length adjusting mechanism positioned in the chute and a lens assembling and disassembling mechanism positioned on the right side of the chute;

the left side of spout is provided with the laser beam expander body, and the inside of laser beam expander body is provided with the second lens.

Preferably, the lens dismouting mechanism includes first lens standing groove, the right side of first lens standing groove is connected with the bottom plate, the right side of bottom plate is provided with first spring.

Preferably, a limiting rod is arranged below the bottom plate, and a pull rod is arranged below the limiting rod.

Preferably, the focal length adjusting mechanism comprises a connecting block, a rack is connected below the connecting block, a gear is arranged below the rack, and the connecting block moves left and right through the rack and the gear.

Preferably, a first lens is arranged inside the first lens placing groove.

Preferably, the right side of the connecting block is provided with a lens frame.

Preferably, the left side and the right side of the limiting rod are both provided with second springs.

The above description shows that, with the above technical solutions of the present application, the technical problems to be solved by the present application can be solved.

Simultaneously, through above technical scheme, the utility model discloses possess following beneficial effect at least:

the utility model discloses a pulling pull rod drives the gag lever post and moves down, can make bottom plate and first lens standing groove pop out the inside of lens frame under the spring action of first spring, after first lens standing groove popped out, can dismantle the installation and change from the left and right sides of first lens standing groove to first lens, and is very convenient, and the current laser beam expanding lens body of solution needs to use extra instrument to carry out the dismouting when changing the lens mostly, is not convenient for in time change the lens, influences the problem of laser beam expanding lens's work efficiency;

the utility model discloses a rotating gear makes the gear drive rack and connecting block remove about, is fixed connection between connecting block and the lens frame, and then can adjust the distance between first lens and the second lens to reach the laser beam expanding effect of preferred.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner structure of the chute of the present invention;

fig. 3 is a schematic structural view illustrating the retraction of the first lens holding groove of the present invention;

fig. 4 is a schematic structural view showing that the first lens placing groove of the present invention is popped up.

In the figure: 1. a laser beam expander body; 2. a chute; 3. a focal length adjustment mechanism; 301. connecting blocks; 302. a rack; 303. a gear; 4. a lens frame; 5. a first lens; 6. a lens disassembling and assembling mechanism; 601. a pull rod; 602. a first lens placing groove; 603. a base plate; 604. a first spring; 605. a limiting rod; 606. a second spring; 7. a second lens.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1

As shown in the attached

drawings

1 and 2, the utility model provides a technical scheme: a lens disassembling and assembling structure comprises a chute 2, a focal length adjusting mechanism 3 positioned in the chute 2 and a lens disassembling and assembling mechanism 6 positioned on the right side of the chute 2;

the left side of spout 2 is provided with laser beam expander body 1, and the inside of laser beam expander body 1 is provided with second lens 7, and the right side of connecting block 301 is provided with lens frame 4.

Example two

The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:

as shown in fig. 3 and 4, as a preferred embodiment, in addition to the above-mentioned mode, further, the lens detaching and attaching mechanism 6 includes a first lens placing groove 602, the right side of the first lens placing groove 602 is connected with a bottom plate 603, the right side of the bottom plate 603 is provided with a first spring 604, the lower side of the bottom plate 603 is provided with a limiting rod 605, the lower side of the limiting rod 605 is provided with a pull rod 601, the left side and the right side of the limiting rod 605 are both provided with second springs 606, the first lens 5 is arranged inside the first lens placing groove 602, the pull rod 601 is pulled to drive the limiting rod 605 to move downward, the bottom plate 603 and the first lens placing groove 602 can pop out of the inside of the lens frame 4 under the elastic force of the first spring 604, after the first lens placing groove 602 pops out, the first lens 5 can be detached, installed and replaced from the left side and the right side of the first lens placing groove 602, which is quite convenient, and most of the existing laser beam expander body 1 that needs additional tools to be replaced when the lenses are replaced in time, which is inconvenient and affects the working efficiency of the laser beam expander.

As shown in fig. 2, as a preferred embodiment, on the basis of the above manner, further, the focal length adjusting mechanism 3 includes a connecting block 301, a rack 302 is connected below the connecting block 301, a gear 303 is disposed below the rack 302, the connecting block 301 moves left and right through the rack 302 and the gear 303, the gear 303 is rotated to enable the gear 303 to drive the rack 302 and the connecting block 301 to move left and right, the connecting block 301 is fixedly connected with the lens frame 4, and then the distance between the first lens 5 and the second lens 7 can be adjusted, so as to achieve a better laser beam expanding effect.

The comprehensive results show that:

the utility model is directed to the technical problem: when the existing laser beam expander is used for replacing the lens, an extra tool is mostly needed for dismounting, so that the lens is inconvenient to replace in time, and the working efficiency of the laser beam expander is influenced; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

when the first lens 5 of the laser beam expander body 1 needs to be replaced, only the pull rod 601 needs to be pulled downwards to drive the limiting rod 605 to move downwards, so that the bottom plate 603 and the first lens placing groove 602 can be popped out of the lens frame 4 under the elastic force of the first spring 604, and after the first lens placing groove 602 is popped out, the first lens 5 can be detached, installed and replaced from the left side and the right side of the first lens placing groove 602, which is very convenient;

through the setting, above-mentioned technical problem can certainly be solved in this application, simultaneously, realize following technological effect:

the utility model discloses pulling pull rod 601 drives gag lever post 605 and moves down, can make bottom plate 603 and first lens standing groove 602 pop out the inside of lens frame 4 under the elastic force of first spring 604, after first lens standing groove 602 pops out, can dismantle the installation and change from the left and right sides of first lens standing groove 602 to first lens 5, it is very convenient, the current laser beam expanding lens body 1 who solves need to use extra instrument to carry out the dismouting mostly when changing the lens, be not convenient for in time change the lens, influence the problem of laser beam expanding lens's work efficiency;

the utility model discloses rotating gear 303 makes gear 303 drive rack 302 and connecting block 301 and removes about, is fixed connection between connecting block 301 and the lens frame 4, and then can adjust the distance between first lens 5 and the second lens 7 to reach the laser beam expanding effect of preferred.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lens dismounting structure is characterized by comprising a chute (2), a focal length adjusting mechanism (3) positioned in the chute (2) and a lens dismounting mechanism (6) positioned on the right side of the chute (2);

the left side of spout (2) is provided with laser beam expander body (1), and the inside of laser beam expander body (1) is provided with second lens (7).

2. A lens mounting and dismounting structure according to claim 1, wherein said lens mounting and dismounting mechanism (6) comprises a first lens placing groove (602), a bottom plate (603) is connected to a right side of said first lens placing groove (602), and a first spring (604) is provided on a right side of said bottom plate (603).

3. A lens mount/dismount structure according to claim 2, wherein a limiting rod (605) is disposed below said bottom plate (603), and a pull rod (601) is disposed below said limiting rod (605).

4. A lens mounting and dismounting structure according to claim 1, wherein said focal length adjusting mechanism (3) comprises a connecting block (301), a rack (302) is connected below said connecting block (301), a gear (303) is arranged below said rack (302), and said connecting block (301) is moved left and right by said rack (302) and gear (303).

5. A lens mount/dismount structure according to claim 2, wherein said first lens placing groove (602) is internally provided with a first lens (5).

6. The structure of claim 4, wherein a lens frame (4) is disposed on the right side of the connecting block (301).

7. A lens barrel attaching and detaching structure according to claim 3, wherein second springs (606) are provided on both left and right sides of said stopper rod (605).