Fixing structure for focusing lens of laser

Abstract

The utility model discloses a laser focusing lens fixing structure, which comprises a lens cone, a carrying ring, a lens connected in the lens cone, a fixing ring arranged above the carrying ring, telescopic grooves arranged above the lens and symmetrically arranged at the position of the middle part of the fixing ring close to the inner wall of the lens cone, and positioning blocks connected in the telescopic grooves in a sliding manner, a spring is connected between the fixing ring and the positioning block, the lens cone is provided with symmetrically arranged positioning grooves corresponding to the positioning block, and the positioning block is inserted into the positioning grooves; in the process that the positioning block is extruded into the telescopic groove, the positioning block extrudes the spring, the spring shrinks after being extruded and stores restoring force, the positioning block corresponds to the positioning groove when the fixing ring is put in and makes contact with the lens and compresses the lens, and the positioning block is inserted into the positioning groove under the action of the restoring force of the spring, so that the lens is fixed. Therefore, the fixing ring is installed and fixed, the installation efficiency is improved, installation can be carried out without the help of other tools, and rapidness and convenience are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of laser, specifically relates to a laser focusing lens fixing structure. BACKGROUND

[0002] The laser is a kind of equipment that can generate laser, it is by exciting atom or molecule, makes it be in excited state, then releases photon through stimulated emission process, generates a beam with high directionality, monochromaticity and coherence, i.e.

[0003] The laser focusing lens is a kind of specially designed optical element, is used to focus the light beam emitted by laser to extremely small point or specific area.It utilizes the refraction principle of lens, by accurately controlling the shape, curvature and material of lens, makes the light beam refract and converge in a point when passing through lens, to realize the high density concentration of laser beam.

[0004] In prior art, when focusing lens is fixed, focusing lens is placed into lens barrel, and the lens barrel is provided with a supporting ring to support the lens, and a fixing ring is threadedly connected to the side of the lens away from the supporting ring to press the lens, so as to achieve the purpose of fixing the lens.

[0005] Although the lens can be fixed by threadedly connecting the fixing ring in the lens barrel, the fixing ring needs to be installed and removed with the aid of other tools due to the long length and small diameter of the lens barrel, which has limitations and is troublesome to operate. UTILITY MODEL CONTENTS

[0006] To solve the technical problem that other tools are needed when installing and removing the fixing ring, the utility model provides a laser focusing lens fixing structure.

[0007] The purpose of the utility model can be realized by the following technical solutions:

[0008] A laser focusing lens fixing structure, comprising a lens barrel,

[0009] A mounting ring is connected inside the lens barrel,

[0010] A lens is arranged above the mounting ring,

[0011] A fixing ring is arranged above the lens,

[0012] The fixing ring is provided with symmetrically arranged expansion slots near the inner wall of the lens barrel, and the expansion slots are slidably connected with positioning blocks, and the fixing ring and the positioning blocks are connected with springs, and the lens barrel is provided with symmetrically arranged positioning slots corresponding to the positioning blocks, and the positioning blocks are inserted into the positioning slots.

[0013] Preferably, the positioning groove is slidably connected with a push block at a position away from the fixing ring, the push block is connected with a baffle at a side away from the lens barrel, the lens barrel is connected with symmetrically arranged limiting blocks at a position corresponding to the baffle, and the push block is located between the limiting blocks.

[0014] Preferably, the upper surface of the mounting ring is connected with a first rubber ring at a position corresponding to the lens, and the lower surface of the fixing ring is connected with a second rubber ring at a position corresponding to the lens.

[0015] Preferably, the lower surface of the limiting block is provided with a first chamfer close to the inner wall of the lens barrel, and the upper surface of the lens barrel is provided with a second chamfer corresponding to the first chamfer.

[0016] Preferably, the limiting block is rollingly connected with a plurality of rolling balls at a side close to the inner wall of the lens barrel.

[0017] Preferably, the outer side of the fixing ring is connected with symmetrically arranged limiting rods at a position away from the limiting block, the inner side of the lens barrel is provided with symmetrically arranged limiting grooves corresponding to the limiting rods, and the limiting rods are slidably connected in the limiting grooves.

[0018] Preferably, the fixing ring is connected with an auxiliary ring at an upper position.

[0019] The utility model discloses the beneficial effect of:

[0020] When installing the lens, the lens is placed into the lens barrel, the mounting ring supports the lens, the fixing ring is placed into the lens barrel after the lens is placed, the limiting rod is placed into the limiting groove during placing, the bottom of the limiting block contacts the upper end of the lens barrel during placing, the fixing ring is pressed down after contacting, the limiting block is more conveniently and smoothly extruded into the telescopic groove under the cooperation of the first chamfer and the second chamfer, the limiting block extrudes the spring during extruding into the telescopic groove, the spring is contracted after being extruded and stores restoring force, the limiting block corresponds to the limiting groove when the fixing ring contacts the lens after being placed, the limiting block is inserted into the limiting groove under the action of the restoring force of the spring, thereby installing and fixing the fixing ring, improving installation efficiency, and the lens can be installed without other tools, and the installation is more rapid and convenient.

[0021] When removing the lens, two push blocks are pinched by two fingers of one hand of the worker at the same time, and the push blocks are extruded into the limiting groove, so that the limiting block is extruded out of the limiting groove and is slid into the telescopic groove, the fixing ring is fixed at this time, the fingers of the other hand of the worker are inserted into the lens barrel, the fixing ring is taken out from the lens barrel by lifting the auxiliary ring, the lens is unfixed after the fixing ring is taken out from the lens barrel, the lens is cleaned or replaced by pouring out the lens from the lens barrel, the lens can be removed without other tools, and the removal is more rapid and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a cross-sectional view of a laser focusing lens fixing structure according to the present invention;

[0024] Figure 2 This is a perspective view of a laser focusing lens fixing structure according to the present invention;

[0025] Figure 3 yes Figure 1 A magnified view of a section at point A in the middle;

[0026] Figure 4 This is a perspective view of the auxiliary ring in a laser focusing lens fixing structure according to the present invention.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Lens barrel; 2. Telescopic groove; 3. Ball bearing; 4. Limiting rod; 5. Auxiliary ring; 6. Push block;

[0029] 11. Mounting ring; 12. First rubber ring; 13. Lens; 14. Fixing ring; 15. Second rubber ring;

[0030] 21. Positioning block; 210. First chamfer; 211. Second chamfer; 22. Spring; 23. Positioning groove;

[0031] 41. Limiting groove;

[0032] 61. Stop block; 62. Limit block. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figure 1 - Figure 4 As shown, a laser focusing lens fixing structure includes a lens barrel 1, and a mounting ring 11 is connected inside the lens barrel 1 to support a lens 13 and fix the position of the lens 13.

[0035] The upper part of the mounting ring 11 is provided with a lens 13.

[0036] The upper surface of the mounting ring 11 is connected with a first rubber ring 12 at the position corresponding to the lens 13, which is used to protect the lens 13 and prevent it from being damaged or worn.

[0037] The upper surface of the mounting ring 11 is connected with a first rubber ring 12 at the position corresponding to the lens 13, which is used to protect the lens 13 and prevent it from being damaged or worn.

[0038] The lower surface of the mounting ring 14 is connected with a second rubber ring 15 at the position corresponding to the lens 13, and the first rubber ring 12 cooperates with the second rubber ring 15 to protect the upper and lower surfaces of the lens 13, prevent it from being damaged or worn, and improve the service life of the lens 13.

[0039] The middle part of the mounting ring 14 is provided with symmetrically arranged expansion slots 2 near the inner wall of the lens barrel 1, and the expansion slots 2 are slidably connected with positioning blocks 21, which are used to fix the position of the mounting ring 14 and prevent it from shifting, causing the lens 13 to be unable to be fixed in position.

[0040] The lower part of the positioning block 21 is provided with a first chamfer 210 near the inner wall of the lens barrel 1, and the upper part of the lens barrel 1 is provided with a second chamfer 211 corresponding to the first chamfer 210, and the first chamfer 210 cooperates with the second chamfer 211 to make the positioning block 21 more convenient and smooth when entering the expansion slot 2 during installation of the mounting ring 14.

[0041] The mounting ring 14 and the positioning block 21 are connected with a spring 22, which is used to reset the positioning block 21.

[0042] The lens barrel 1 is provided with symmetrically arranged positioning grooves 23 corresponding to the positioning block 21, and the positioning block 21 is inserted into the positioning groove 23, and the positioning block 21 cooperates with the positioning groove 23 to install the mounting ring 14 after being inserted into the positioning groove 23, so that the mounting ring 14 is fixed.

[0043] The side of the positioning block 21 near the inner wall of the lens barrel 1 is rollingly connected with a plurality of balls 3, which are used to reduce the friction force generated by the positioning block 21 on the lens barrel 1, so that the mounting ring 14 can be more conveniently and smoothly placed into the lens barrel 1.

[0044] The fixed ring 14 is connected with the limiting rods 4 arranged symmetrically at the position away from the positioning block 21, and the lens barrel 1 is provided with the limiting rods 4 arranged symmetrically at the corresponding position of the limiting rods 4, the limiting rods 4 are slidingly connected in the limiting grooves 41, and the limiting rods 4 are matched with the limiting grooves 41, so that the fixed ring 14 can only make vertical movement and cannot rotate when the fixed ring 14 is placed in the lens barrel 1, thereby the positioning block 21 can be accurately matched with the positioning groove 23, and the subsequent rotation adjustment of the fixed ring 14 is not needed, that is, the positioning block 21 can be matched with the positioning groove 23, and the installation efficiency is improved.

[0045] In specific use, when the lens 13 is installed, the lens 13 is placed in the lens barrel 1, the lens 13 is supported by the mounting ring 11, the fixed ring 14 is placed in the lens barrel 1 after the lens 13 is placed, the limiting rods 4 are aligned with the limiting grooves 41 during the placement, the bottom of the positioning block 21 contacts the upper end of the lens barrel 1 during the placement, the fixed ring 14 is pressed down after the contact, the positioning block 21 can be more conveniently and smoothly extruded into the telescopic groove 2 under the cooperation of the first chamfer 210 and the second chamfer 211, the positioning block 21 extrudes the spring 22 during the extrusion of the positioning block 21 into the telescopic groove 2, the spring 22 is contracted after being extruded and stores a restoring force, the restoring force acts on the inner wall of the lens barrel 1 before the positioning block 21 enters the positioning groove 23, thereby the placement of the fixed ring 14 is resisted, the friction between the positioning block 21 and the inner wall of the lens barrel 1 is reduced by the cooperation of the ball 3, thereby the resistance generated during the placement of the fixed ring 14 is reduced, and the fixed ring 14 can be more easily placed in the lens barrel 1;

[0046] When the fixed ring 14 is placed and contacts the lens 13, the lens 13 is pressed tightly, the positioning block 21 is matched with the positioning groove 23, the positioning block 21 is inserted into the positioning groove 23 under the action of the restoring force of the spring 22, thereby the fixed ring 14 is installed and fixed, the installation efficiency is improved, and the installation can be performed without the aid of other tools, which is relatively fast and convenient.

[0047] The fixed ring 14 is connected with the auxiliary ring 5 arranged above the fixed ring 14, which is used for helping the staff to take out the fixed ring 14.

[0048] The telescopic groove 2 is slidingly connected with the push block 6 arranged inside the positioning groove 23 and away from the fixed ring 14, which is used for extruding the positioning block 21 into the telescopic groove 2.

[0049] The push block 6 is connected with the baffle arranged away from the lens barrel 1, which is used for preventing the push block 6 from sliding into the lens barrel 1.

[0050] The lens barrel 1 is connected with the limiting blocks 62 arranged symmetrically at the position corresponding to the push block 6, the push block 6 is located between the limiting blocks 62, and the limiting blocks 62 are used for preventing the push block 6 from sliding out of the limiting groove 41.

[0051] In a specific use, when the lens 13 is disassembled, two push blocks 6 are pinched by two fingers of one hand of the worker at the same time, and the push blocks 6 are pressed into the positioning groove 23, so that the push blocks 6 enter the positioning groove 23, and the positioning block 21 is extruded out of the positioning groove 23 after the push blocks 6 enter the positioning groove 23, so that the positioning block 21 slides into the telescopic groove 2, at this time, the fixing ring 14 loses the fixation, the fingers of the other hand of the worker are inserted into the lens barrel 1, the fixing ring 14 is taken out of the lens barrel 1 by lifting the auxiliary ring 5, in the process of taking out the fixing ring 14, the force exerted by the spring 22 on the positioning block 21 is applied to the inner wall of the lens barrel 1 through the positioning block 21, so that the positioning block 21 generates resistance to the inner wall of the lens barrel 1, and the ball 3 reduces the friction between the positioning block 21 and the inner wall of the lens barrel 1, thereby reducing the resistance generated when the fixing ring 14 is taken out, so that the fixing ring 14 can be taken out of the lens barrel 1 more easily, after the fixing ring 14 is taken out of the lens barrel 1, the lens 13 loses the fixation, and the lens 13 is poured out of the lens barrel 1, so that the lens 13 can be cleaned or replaced, and the disassembly is more rapid and convenient without the aid of other tools.

[0052] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] The above is only an example and description of the structure of the utility model, and the skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, which shall belong to the protection scope of the utility model.

Claims

1. A laser focusing lens fixing structure, comprising a lens barrel (1), a mounting ring (11) connected inside the lens barrel (1), a lens (13) arranged above the mounting ring (11), a fixing ring (14) arranged above the lens (13), characterized in that a telescopic groove (2) symmetrically arranged is formed in the middle of the fixing ring (14) close to the inner wall of the lens barrel (1), a positioning block (21) is slidably connected in the telescopic groove (2), a spring (22) is connected between the fixing ring (14) and the positioning block (21), the lens barrel (1) is provided with symmetrically arranged positioning grooves (23) corresponding to the positions of the positioning blocks (21), and the positioning blocks (21) are inserted into the positioning grooves (23).

2. The laser focusing lens fixing structure according to claim 1, characterized in that: A push block (6) is slidably connected inside the positioning groove (23) away from the fixing ring (14), a baffle is connected to the side of the push block (6) away from the lens barrel (1), symmetrically arranged limiting blocks (62) are connected to the outside of the lens barrel (1) corresponding to the position of the push plate, and the push block (6) is located between the limiting blocks (62).

3. The laser focusing lens fixing structure according to claim 2, characterized in that: A first rubber ring (12) is connected to the upper surface of the mounting ring (11) corresponding to the position of the lens (13), and a second rubber ring (15) is connected to the lower surface of the fixing ring (14) corresponding to the position of the lens (13).

4. The laser focusing lens fixing structure according to claim 3, characterized in that: A first chamfer (210) is formed in the lower part of the positioning block (21) close to the inner wall of the lens barrel (1), and a second chamfer (211) is formed in the upper part of the lens barrel (1) corresponding to the first chamfer (210).

5. The laser focusing lens fixing structure according to claim 4, characterized in that: A plurality of rolling balls (3) are rollingly connected to the side of the positioning block (21) close to the inner wall of the lens barrel (1).

6. The laser focusing lens fixing structure according to claim 5, characterized in that: Symmetrically arranged limiting rods (4) are connected to the outside of the fixing ring (14) away from the positioning block (21), and symmetrically arranged limiting grooves (41) are formed in the inside of the lens barrel (1) corresponding to the positions of the limiting rods (4), and the limiting rods (4) are slidably connected in the limiting grooves (41).

7. The laser focusing lens fixing structure according to claim 6, characterized in that: an auxiliary ring (5) is connected above the fixing ring (14).

Images