Lens mounting structure of laser tube

Abstract

The utility model provides a lens mounting structure of a laser tube, which comprises an inner sleeve, a locking nut, a lens seat and a convex mirror, the inner ring of the inner sleeve is provided with the laser tube through the locking nut, the inner ring of the inner sleeve is coaxially provided with the lens seat, the lens seat is of a self-locking expansion structure, the convex mirror is sleeved in the lens seat, and the convex mirror and the laser tube are coaxially arranged. According to the lens installation structure of the laser tube, the laser tube can be fixedly installed in the inner sleeve through the locking nut, the convex mirror is installed in the inner sleeve through the lens base, the lens base can axially move in the inner sleeve, and after a worker selects the position of the convex mirror, the convex mirror can be installed in the inner sleeve through the locking nut. The relative positions of the inner sleeve and the laser tube are fixed through the self-locking expansion structure of the lens seat, the installation mode is simple and rapid, and the installation quality is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lens installation field especially, it is a kind of lens installation structure of laser tube. BACKGROUND

[0002] Laser tube is a kind of device that can produce high-intensity, monochromatic, coherent laser beam. It uses the photon amplification effect of electronic transition level under the action of stimulated radiation to realize the generation of laser. Laser tube has wide application in scientific research, medical diagnosis and treatment, industrial processing, communication and other fields. In actual use, a lens is arranged in front of the laser tube to adjust the output end of the laser. When installing the lens, a jack screw is usually used to fix the relative position of the laser tube and the lens by tightening the periphery of the lens. SUMMARY

[0003] Therefore, the utility model aims at providing a lens installation structure of laser tube to solve the problems of instability of the existing technology by pinning and positioning the lens and difficulty in guaranteeing the concentricity of the lens and the laser tube.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A lens installation structure of laser tube includes an inner sleeve, a locking nut, a lens seat and a convex mirror. The inner sleeve inner ring is installed with the laser tube through the locking nut, and the inner sleeve inner ring is coaxially arranged with the lens seat. The lens seat is a self-locking expansion structure, the lens seat is sleeved with the convex mirror, and the convex mirror is coaxially arranged with the laser tube.

[0006] Further, the inner sleeve is provided with a mounting hole, and the laser tube is arranged in the mounting hole. The cross section of the laser tube and the mounting hole is a T-shaped structure. The locking nut is arranged in the mounting hole, and one end of the locking nut abuts one end of the laser tube.

[0007] Further, the inner ring of the lens seat is provided with a clamping groove, and the periphery of the convex mirror is clamped into the clamping groove.

[0008] Further, the lens seat is provided with an opening along the axial direction, and the lens seat is provided with a threaded hole. The threaded hole is located on the top surface of the opening. A fastening nail is threadedly connected in the threaded hole. The inner sleeve is provided with a relief hole, and the periphery of the fastening nail is located in the relief hole. One end of the fastening nail can abut to the bottom surface of the opening.

[0009] Further, the lens seat is provided with two openings, and the two openings are arranged perpendicular to each other. Each opening is respectively provided with a nut hole, a relief hole and a fastening nail.

[0010] Further, the relief hole is an elliptical long hole, and the lens seat can slide axially in the inner sleeve.

[0011] The lens mounting structure of the laser tube has the following beneficial effects relative to the prior art:

[0012] (1) The lens mounting structure of the laser tube, the laser tube can be fixedly installed in the inner sleeve through the locking nut, the convex mirror is installed in the inner sleeve through the lens seat, and the lens seat can move axially in the inner sleeve; after the staff selects the position of the convex mirror, the relative positions of the lens seat, the inner sleeve and the laser tube are fixed through the self-locking expansion structure of the lens seat, the installation mode is simple and fast, and the installation quality is high.

[0013] (2) The lens mounting structure of the laser tube, one end of the fastening nail can abut to the bottom surface of the opening, the fastening nail screwed in is an expansion diameter structure of the lens seat, the fastening nail can drive the top surface of the opening to be bent, the outer side of the bent top surface abuts to the inner wall of the inner sleeve, so that the inner sleeve and the lens seat are fixed, the bending of the entire top surface can be realized by a single fastening nail, the area of the fixing surface of the inner sleeve and the lens seat is increased, the stability is improved, and the lens seat axis can be prevented from deflecting relative to the inner sleeve.

[0014] (3) The lens mounting structure of the laser tube, the lens seat is provided with two openings, and the two openings are arranged perpendicularly to each other, the area of the fixing surface of the inner sleeve and the lens seat is increased, and the diameter is expanded in two directions, so that the coaxiality of the inner sleeve and the lens seat is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings that form a part of this application provide further understanding of the present application, the illustrative embodiments of the present application and their description serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 The drawing is a sectional view of the lens mounting structure of the laser tube according to the embodiment of the present application;

[0017] Figure 2 The drawing is a structural schematic view of the lens mounting structure of the laser tube according to the embodiment of the present application;

[0018] Figure 3 The drawing is a structural schematic view of the lens seat according to the embodiment of the present application;

[0019] Figure 4 The drawing is a sectional view of the lens seat according to the embodiment of the present application.

[0020] Explanation of reference signs:

[0021] 1-lock nut; 2-laser tube; 3-inner sleeve; 31-mounting hole; 32-avoidance hole; 4-lens seat; 41-opening; 42-top surface; 43-bottom surface; 44-clamping groove; 45-threaded hole; 5-convex mirror. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] As Figures 1-4As shown, the lens mounting structure of the laser tube includes an inner sleeve 3, a locking nut 1, a lens seat 4 and a convex mirror 5. The inner sleeve 3 is mounted to a fixed position. The inner sleeve 3 is arranged coaxially with the lens seat 4 through the locking nut 1. The lens seat 4 is a self-locking expansion structure. The lens seat 4 is arranged coaxially with the convex mirror 5. The laser tube 2 can be fixedly mounted in the inner sleeve 3 through the locking nut 1. The convex mirror 5 is arranged coaxially with the laser tube 2 in the inner sleeve 3 through the lens seat 4. The lens seat 4 can be axially moved in the inner sleeve 3. After the position of the convex mirror 5 is selected by the staff, the relative position of the lens seat 4, the inner sleeve 3 and the laser tube 2 is fixed through the self-locking expansion structure of the lens seat 4. The installation method is simple and fast, and the installation quality is high.

[0027] The inner sleeve 3 is provided with a mounting hole 31. The laser tube 2 is arranged in the mounting hole 31. The cross sections of the laser tube 2 and the mounting hole 31 are T-shaped structures. The locking nut 1 is arranged in the mounting hole 31. One end of the locking nut 1 is abutted to one end of the laser tube 2. The inner circle of the lens seat 4 is provided with a clamping groove 44. The periphery of the convex mirror 5 is clamped into the clamping groove 44. The relative positions of the laser tube 2 and the inner sleeve 3 can be positioned through the locking nut 1 and the mounting hole 31. The relative positions of the convex mirror 5 and the lens seat 4 can be positioned through the clamping groove 44. The stability of the original installation position is ensured.

[0028] The lens seat 4 is provided with an opening 41 along the axial direction. The opening 41 is an expansion structure of the lens seat 4. The lens seat 4 is provided with a threaded hole 45. The threaded hole 45 is located on the top surface 42 of the opening 41. A fastening pin is threadedly connected in the threaded hole 45. The inner sleeve 3 is provided with an avoiding hole. The periphery of the fastening pin is located in the avoiding hole. One end of the fastening pin can be abutted to the bottom surface 43 of the opening 41. The fastening pin is an expansion structure of the lens seat 4. The fastening pin can drive the top surface 42 of the opening 41 to be bent. The outer side of the bent top surface 42 is abutted to the inner wall of the inner sleeve 3. The inner sleeve 3 and the lens seat 4 are fixed. One fastening pin can realize the bending of the entire top surface 42. The area of the fixing surface of the inner sleeve 3 and the lens seat 4 is increased. The stability is improved. The lens seat 4 can prevent the axial deflection relative to the inner sleeve 3.

[0029] The lens seat 4 is provided with two openings 41. The two openings 41 are arranged perpendicular to each other. Each opening 41 is respectively provided with a nut hole, an avoiding hole and a fastening pin. The area of the fixing surface of the inner sleeve 3 and the lens seat 4 is increased. The expansion is realized in two directions. The coaxiality of the inner sleeve 3 and the lens seat 4 is ensured.

[0030] The avoiding hole is an elliptical long hole. The lens seat 4 can slide in the inner sleeve 3 along the axial direction. When the lens seat 4 and the inner sleeve 3 are relatively displaced, the avoiding hole can effectively avoid the fastening pin. The fastening pin is not interfered with the operation of the staff.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lens mounting structure for a laser tube, characterized by: The utility model relates to a laser tube fixing device, including inner sleeve (3), locking nut (1), lens seat (4) and convex mirror (5), the inner sleeve (3) inner circle installs laser tube (2) through locking nut (1), and the inner sleeve (3) inner circle coaxially sets lens seat (4), and lens seat (4) is self-locking expansion structure, lens seat (4) inner sleeve connects convex mirror (5), and convex mirror (5) is coaxially arranged with laser tube (2).

2. The lens mounting structure for a laser tube according to claim 1, characterized by: The inner sleeve (3) is provided with a mounting hole (31), and the laser tube (2) is arranged in the mounting hole (31). The cross section of the laser tube (2) and the mounting hole (31) is T-shaped structure. The locking nut (1) is arranged in the mounting hole (31), and one end of the locking nut (1) abuts against one end of the laser tube (2).

3. The lens mounting structure for a laser tube according to claim 1, characterized by: The inner circle of the lens seat (4) is provided with a clamping groove (44), and the periphery of the convex mirror (5) is clamped into the clamping groove (44).

4. The lens mounting structure for a laser tube according to claim 1, characterized by: The lens seat (4) is provided with an opening (41) along the axial direction, and the lens seat (4) is provided with a threaded hole (45). The threaded hole (45) is located on the top surface (42) of the opening (41). A fastening pin is threadedly connected in the threaded hole (45). The inner sleeve (3) is provided with an avoiding hole (32). The periphery of the fastening pin is located in the avoiding hole (32). One end of the fastening pin can abut against the bottom surface (43) of the opening (41).

5. The lens mounting structure for a laser tube according to claim 4, characterized by: The lens seat (4) is provided with two openings (41), and the two openings (41) are arranged perpendicular to each other. Each opening (41) is respectively provided with a nut hole, an avoiding hole (32) and a fastening pin.

6. The lens mounting structure for a laser tube according to claim 4, characterized by: The avoiding hole (32) is an elliptical long hole. The lens seat (4) can slide along the axial direction in the inner sleeve (3).

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