CN219166871U

CN219166871U - Light feeding laser structure

Info

Publication number: CN219166871U
Application number: CN202222691493.0U
Authority: CN
Inventors: 吴勇兵
Original assignee: Dongguan Lanyu Laser Co ltd
Current assignee: Dongguan Lanyu Laser Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-06-13
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a feeding laser structure, which comprises a first sleeve, a first retainer ring, an optical lens, a second sleeve, a second retainer ring, a through groove, a first internal thread, a photosensitive diode, a flexible flat cable plate, a grating tube seat, a grating body, a through hole, a limit groove, a circuit board, a needle seat and pin holes, wherein the needle seat is welded and fixed on the outer walls of the two sides of the circuit board, the pin holes are formed in the circuit board corresponding to the positions of the laser diodes, and the pins of the laser diodes are welded and fixed in the pin holes; one side of the laser diode is provided with a grating body which is fixedly connected in the grating tube seat, and the grating body is provided with a through hole; according to the utility model, the photosensitive diode is adopted to collect laser intensity data in real time, so that a power-off protection function is realized, and the safety of equipment is improved; the utility model has the advantages of simple structure and convenient assembly, and the main body adopts the sleeve structure design, thereby being more suitable for automatic production.

Description

Light feeding laser structure

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a nursing laser structure.

Background

The laser is a device in the laser ophthalmology therapeutic apparatus and is used for generating laser, focusing on eye tissues to generate optical breakdown and form plasmas after filtering stray light, and the plasmas with high temperature and high density rapidly expand to emit spherical expanded shock waves, and cutting the eye tissues by combining internal stress of the eye tissues so as to achieve the aim of cutting through the tissues; the existing laser has the defects that firstly, the existing laser lacks a multi-stage protection function, and when the actual laser intensity exceeds a threshold value, the laser cannot be rapidly powered off; secondly, the structure is complicated, and the equipment is inconvenient, needs artifical supplementary assembly, can't realize automatic equipment, leads to production inefficiency.

Disclosure of Invention

The utility model aims to provide a light feeding laser structure for solving the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a feeding laser structure, includes first sleeve, cup jointed the second sleeve in the first sleeve, install the photodiode in the second sleeve, electric connection has flexible winding displacement board on the photodiode, optical lens is installed to the telescopic one end of second, and the other end is pegged graft and is had the grating tube socket, and one side of grating tube socket is provided with the circuit board, and the other end electric connection of flexible winding displacement board is on the circuit board, welded fastening has laser diode on the circuit board, and laser diode pressfitting is in the grating tube socket.

Preferably, the outer walls of the two sides of the circuit board are fixedly welded with pin bases, pin holes are formed in the circuit board at positions corresponding to the laser diodes, and pins of the laser diodes are fixedly welded in the pin holes.

Preferably, a grating body is arranged on one side of the laser diode, the grating body is fixedly connected in the grating tube seat, and a through hole is formed in the grating body.

Preferably, a limit groove is formed in the grating tube seat, a laser tube check ring is arranged on the laser diode, and the laser tube check ring is sleeved in the limit groove.

Preferably, a first check ring is arranged at one end of the second sleeve, the first check ring is fixedly connected in the first sleeve, a tube seat check ring is arranged at the other end of the second sleeve, and the tube seat check ring is fixedly connected to the grating tube seat.

Preferably, the inner wall of the second sleeve is provided with a first internal thread, and the inner wall of the grating tube seat is provided with a second internal thread.

Preferably, a second check ring is arranged on one side of the optical lens, and the second check ring is fixedly connected to the inner wall of the second sleeve.

Preferably, the second sleeve is provided with a through groove, and the photodiode is arranged in the through groove.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the photosensitive diode is adopted to collect laser intensity data in real time, so that a power-off protection function is realized, and the safety of equipment is improved; the utility model has the advantages of simple structure and convenient assembly, and the main body adopts the sleeve structure design, thereby being more suitable for automatic production.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of the structure of area A in FIG. 2;

FIG. 4 is a schematic view of a first sleeve of the present utility model in perspective cut-away;

FIG. 5 is a schematic view of a second sleeve of the present utility model in perspective cut-away;

FIG. 6 is a schematic diagram of a three-dimensional cut-away structure of a grating tube seat of the present utility model;

in the figure: 1. a first sleeve; 10. a first retainer ring; 2. an optical lens; 3. a second sleeve; 30. the second check ring; 31. a through groove; 32. a first internal thread; 4. a photodiode; 5. a flexible flat cable board; 6. a grating tube seat; 60. a grating body; 61. a through hole; 62. a limit groove; 63. a tube seat retainer ring; 64. a second internal thread; 7. a laser diode; 70. a laser tube retainer ring; 8. a circuit board; 80. a needle stand; 81. pin holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-6, an embodiment of the present utility model is provided: the utility model provides a feeding laser structure, including first sleeve 1, first sleeve 1 cup joints second sleeve 3, install photodiode 4 in the second sleeve 3, be connected with flexible winding displacement board 5 on the photodiode 4 electricity, optical lens 2 is installed to one end of second sleeve 3, the other end grafting has grating tube socket 6, one side of grating tube socket 6 is provided with circuit board 8, and the other end electric connection of flexible winding displacement board 5 is on circuit board 8, welded fastening has laser diode 7 on the circuit board 8, and laser diode 7 pressfitting is in grating tube socket 6; pin holes 81 are formed in the circuit board 8 at positions corresponding to the laser diodes 7, and pins of the laser diodes 7 are welded and fixed in the pin holes 81; a grating body 60 is arranged on one side of the laser diode 7, the grating body 60 is fixedly connected in the grating tube seat 6, and a through hole 61 is formed in the grating body 60; a limit groove 62 is formed in the grating tube seat 6, a laser tube check ring 70 is arranged on the laser diode 7, and the laser tube check ring 70 is sleeved in the limit groove 62; one end of the second sleeve 3 is provided with a first check ring 10, the first check ring 10 is fixedly connected in the first sleeve 1, the other end of the second sleeve 3 is provided with a tube seat check ring 63, and the tube seat check ring 63 is fixedly connected to the grating tube seat 6; the inner wall of the second sleeve 3 is provided with a first internal thread 32, and the inner wall of the grating tube seat 6 is provided with a second internal thread 64; a second check ring 30 is arranged on one side of the optical lens 2, and the second check ring 30 is fixedly connected to the inner wall of the second sleeve 3; the second sleeve 3 is provided with a through groove 31, and the photodiode 4 is arranged in the through groove 31.

Working principle: when the utility model is assembled and used, firstly, the optical lens 2 is arranged in the second sleeve 3, the second retainer ring 30 is used for limiting the optical lens, then the photodiode 4 is welded on the flexible flat cable 5, the photodiode 4 is arranged in the through groove 31, then the first sleeve 1 is sleeved on the second sleeve 3, the first retainer ring 10 is used for limiting the second sleeve 3, the grating tube seat 6 is inserted into the second sleeve 3 until the second sleeve 3 is blocked and limited by the tube seat retainer ring 63, finally, the pin of the laser diode 7 is welded in the pin hole 81, and then the grating tube seat 6 is sleeved on the laser diode 7, so that the laser tube retainer ring 70 is sleeved in the limiting groove 62, and the assembly is completed; when in use, the laser diode 7 emits laser, the laser enters the grating tube seat 6 through the through hole 61 on the grating body 60, enters the second sleeve 3 after passing through the first internal thread 32, and passes through the optical lens 2 after passing through the second internal thread 64 to be focused and emitted; in the process, the light-sensitive diode 4 detects the laser intensity and transmits a signal to the circuit board 8 through the flexible flat cable 5, and when the laser intensity exceeds a threshold value, the circuit board 8 is immediately powered off, so that a secondary protection effect is achieved; hub 80 is used to electrically connect circuit board 8 to other modules.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A nursing laser structure comprising a first sleeve (1), characterized in that: the optical fiber cable is characterized in that a second sleeve (3) is sleeved in the first sleeve (1), a photosensitive diode (4) is arranged in the second sleeve (3), a flexible cable arranging plate (5) is electrically connected to the photosensitive diode (4), an optical lens (2) is arranged at one end of the second sleeve (3), a grating tube seat (6) is inserted at the other end of the second sleeve, a circuit board (8) is arranged on one side of the grating tube seat (6), the other end of the flexible cable arranging plate (5) is electrically connected to the circuit board (8), a laser diode (7) is fixedly welded on the circuit board (8), and the laser diode (7) is pressed in the grating tube seat (6).

2. The nursing laser structure as defined in claim 1, wherein: pin holes (81) are formed in positions, corresponding to the laser diodes (7), on the circuit board (8), on the outer walls of the two sides of the circuit board (8) in a welded mode, and pins of the laser diodes (7) are welded and fixed in the pin holes (81).

3. The nursing laser structure as defined in claim 2, wherein: one side of the laser diode (7) is provided with a grating body (60), the grating body (60) is fixedly connected in the grating tube seat (6), and a through hole (61) is formed in the grating body (60).

4. A nursing laser structure as defined in claim 3, characterized in that: a limiting groove (62) is formed in the grating tube seat (6), a laser tube check ring (70) is arranged on the laser diode (7), and the laser tube check ring (70) is sleeved in the limiting groove (62).

5. The nursing laser structure as defined in claim 1, wherein: one end of the second sleeve (3) is provided with a first check ring (10), the first check ring (10) is fixedly connected in the first sleeve (1), the other end of the second sleeve (3) is provided with a tube seat check ring (63), and the tube seat check ring (63) is fixedly connected to the grating tube seat (6).

6. The nursing laser structure as defined in claim 5, wherein: the inner wall of the second sleeve (3) is provided with a first internal thread (32), and the inner wall of the grating tube seat (6) is provided with a second internal thread (64).

7. The nursing laser structure as defined in claim 1, wherein: one side of the optical lens (2) is provided with a second check ring (30), and the second check ring (30) is fixedly connected to the inner wall of the second sleeve (3).

8. The nursing laser structure as defined in claim 1, wherein: the second sleeve (3) is provided with a through groove (31), and the photodiode (4) is arranged in the through groove (31).