CN110943358A

CN110943358A - Locking device of CO2 laser tube and optical equipment provided with same

Info

Publication number: CN110943358A
Application number: CN202010105237.1A
Authority: CN
Inventors: 宋忠焕; 彭国红; 王晓沛
Original assignee: WUHAN MIRACLE LASER TECHNOLOGY Co Ltd
Current assignee: WUHAN MIRACLE LASER TECHNOLOGY Co Ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-03-31
Anticipated expiration: 2040-02-20
Also published as: CN110943358B

Abstract

The invention discloses a locking device of a CO2 laser tube and optical equipment provided with the locking device, and relates to the technical field of photoelectricity, wherein the locking device comprises an adjusting ring and an annular positioning ring of an annular clamping part, the adjusting ring comprises a bottom surface and a hollow cylindrical annular surface, and a plurality of limiting holes are arranged on the bottom surface; the clamping part is sleeved in the ring surface and is used for clamping the CO2 laser tube; the positioning ring is sleeved on the ring surface, the bottom and the bottom surface of the positioning ring are connected through a plurality of first screws, the first screws correspondingly penetrate through a limiting hole, and a certain gap is reserved in the limiting hole; meanwhile, a plurality of second screws are arranged on the positioning ring, penetrate through the positioning ring and abut against the ring surface so as to lock the CO2 laser tube. The locking device of the CO2 laser tube provided by the invention not only can lock the CO2 laser tube, but also can realize the radial adjustment of the CO2 laser tube.

Description

Locking device of CO2 laser tube and optical equipment provided with same

Technical Field

The invention relates to the technical field of photoelectricity, in particular to a locking device of a CO2 laser tube and optical equipment provided with the locking device.

Background

The CO2 laser has the characteristics of high efficiency and wide application, and is an important gas laser. The CO2 laser is mainly used for cutting, vaporizing, carbonizing, coagulating and irradiating human tissues and is widely applied to surgical operations of otolaryngology department, dermatology department, cosmetology department, gynecology department, neurosurgery department and the like. A locking device is required in the CO2 laser to fix the CO2 laser tube and adjust the radial position of the CO2 laser tube.

Referring to fig. 1, the locking device in the prior art generally comprises a locking ring, a plurality of screws and a plurality of nuts matched with the screws, when in use, a CO2 laser tube is placed in the locking ring, the positions of the screws are adjusted, the end parts of the screws are abutted against the circumferential direction of the CO2 laser tube, and the screws are fastened by the nuts, so that the CO2 laser tube is locked.

On one hand, however, when the nut is rotated to fasten the screw, the locking device slightly drives the screw to rotate, which causes slight change of the output light path of the CO2 laser tube, thereby affecting the accuracy of the output light path of the CO2 laser tube; on the other hand, because the contact area between the screw and the CO2 laser tube is small, if the acting force of the screw on the CO2 laser tube is small, the CO2 laser tube is easy to loosen, so that the light path is deviated, and if the acting force of the screw on the CO2 laser tube is large, the CO2 laser tube is easy to break, so that the existing locking device has many disadvantages.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the locking device of the CO2 laser tube, which can lock the CO2 laser tube and realize the radial adjustment of the CO2 laser tube, and has the advantages of simple structure and stronger function.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

a locking device of a CO2 laser tube, which is used for locking a CO2 laser tube, and comprises:

the adjusting ring comprises a bottom surface and a hollow cylindrical ring surface, wherein a plurality of limiting holes are formed in the bottom surface;

the annular clamping part is sleeved in the annular surface and is used for clamping the CO2 laser tube;

the annular positioning ring is sleeved on the annular surface, the bottom of the positioning ring is connected with the bottom surface through a plurality of first screws, the first screws correspondingly penetrate through one limiting hole, and a certain gap is reserved in the limiting hole; meanwhile, a plurality of second screws are arranged on the positioning ring, and the second screws penetrate through the positioning ring and are abutted against the annular surface.

On the basis of the technical scheme, the clamping part comprises a first ring and a second ring, the outer side of the first ring and the inner side of the second ring are provided with conical surfaces which are matched with each other, and the first ring is slidably sleeved in the second ring through the conical surfaces.

On the basis of the technical scheme, the positioning ring is of a half structure and comprises a first semi-annular part and a second semi-annular part, and the first part and the second part are connected through a third screw.

On the basis of the technical scheme, a convex ring is arranged on the inner wall of the annular surface, and the clamping part is abutted against the annular surface through the convex ring.

On the basis of the technical scheme, the clamping part is provided with at least one notch, the bottom surface is provided with at least one limiting block matched with the notch, and the limiting block is clamped in the notch to limit the clamping part to rotate or slide downwards in the adjusting ring.

On the basis of the technical scheme, the annular surface is provided with at least two openings, and the openings are arranged along the axial direction of the annular surface.

On the basis of the technical scheme, the positioning ring is provided with three second screws, and the three second screws are uniformly distributed along the circumferential direction of the positioning ring.

On the basis of the technical scheme, three limiting holes are formed in the bottom surface and are evenly distributed along the circumferential direction of the bottom surface.

On the basis of the technical scheme, the outer contour of the bottom surface and the outer contour of the positioning ring both comprise a straight line segment.

The present invention also provides an optical apparatus comprising:

a light base;

the two locking devices of the CO2 laser tube are arranged on the optical base at intervals;

the optical gate combination is used for outputting laser and arranged at the top of the optical base;

and the CO2 laser tube is matched with the optical shutter combination and is sleeved in the two locking devices.

Compared with the prior art, the invention has the advantages that:

(1) the locking device of the CO2 laser tube not only can lock the CO2 laser tube, but also can realize the radial adjustment of the CO2 laser tube, and has simple structure and stronger function.

(2) According to the locking device of the CO2 laser tube, the inner diameter of the clamping part is changed by adjusting the relative position of the first ring and the second ring, the locking device is suitable for CO2 laser tubes with different sizes, and the locking device is wider in application range.

(3) In the locking device of the CO2 laser tube, the convex ring can reserve a certain gap between the clamping part and the ring surface, the convex ring is equivalent to a lever fulcrum, and the clamping part can incline in the ring surface at a certain angle, so that the fine adjustment of the axial angle of the CO2 laser tube is realized.

Drawings

FIG. 1 is a schematic view of a prior art locking device;

FIG. 2 is an exploded view of a locking device of a CO2 laser tube in an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a locking device for a CO2 laser tube in an embodiment of the present invention;

FIG. 4 is a schematic view of an adjusting ring according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an optical device in an embodiment of the present invention.

In the figure: 1-an adjusting ring, 11-a bottom surface, 12-a ring surface, 13-a limiting hole, 14-a convex ring, 15-a limiting block, 16-an opening, 2-a clamping part, 21-a first ring, 22-a second ring, 23-a notch, 3-a positioning ring, 31-a first part, 32-a second part, 33-a first threaded hole, 34-a second threaded hole, 4-a first screw, 5-a second screw, and 6-a third screw;

101-optical base, 102-locking device, 103-optical shutter combination and 104-CO2 laser tube.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 2 and 3, the embodiment of the invention provides a locking device of a CO2 laser tube, which is used for locking a CO2 laser tube, and comprises an adjusting ring 1, an annular holding part 2 and an annular positioning ring 3.

The adjusting ring 1 comprises a bottom surface 11 and a hollow cylindrical ring surface 12, wherein a plurality of limiting holes 13 are formed in the bottom surface 11; the clamping part 2 is sleeved in the annular surface 12 and used for clamping the CO2 laser tube; the positioning ring 3 is sleeved on the annular surface 12, the bottom of the positioning ring 3 is connected with the bottom surface 11 through a plurality of first screws 4, the first screws 4 correspondingly penetrate through one limiting hole 13, and a certain gap is reserved in the limiting hole 13 by the first screws 4; at the same time, the user can select the desired position,

a plurality of second screws 5 are arranged on the positioning ring 3, and the second screws 5 penetrate through the positioning ring 3 and are propped against the ring surface 12.

The working principle of the locking device of the CO2 laser tube provided by the embodiment of the invention is as follows: when the locking device is used, the first screw 4 is firstly screwed, the first screw 4 is enabled to be in contact with the bottom of the positioning ring 3, a certain gap is reserved in the limiting hole 13 due to the first screw 4, the adjusting ring 1 and the clamping part 2 can be pushed to move radially through the second screw 5, and the CO2 laser tube is driven to move, so that the position of the CO2 laser tube for outputting laser is adjusted, namely the radial adjustment of the CO2 laser tube is realized, then, the first screw 4 is in threaded connection with the bottom of the positioning ring 3, and the locking and fixing of the whole locking device and the CO2 laser tube are realized.

After the whole locking device and the CO2 laser tube are locked and fixed, the positions of the adjusting ring 1, the clamping part 2, the positioning ring 3 and the CO2 laser tube are fixed, and the second screw 5 can be loosened or kept according to the situation.

In the embodiment of the invention, the second screw 5 mainly plays a role in pushing the CO2 laser tube to move radially, i.e. adjusting the output laser of the CO2 laser tube, and the first screw 4 mainly plays a role in locking and fixing the CO2 laser tube, so that locking and adjusting separation are realized.

The locking device of the CO2 laser tube not only can lock the CO2 laser tube, but also can realize radial adjustment of the CO2 laser tube, and has the advantages of simple structure and stronger function.

Furthermore, in the embodiment of the present invention, the retaining part 2 includes a first ring 21 and a second ring 22, an outer side of the first ring 21 and an inner side of the second ring 22 have mutually matching tapered surfaces, and the first ring 21 is slidably sleeved in the second ring 22 through the tapered surfaces.

When the CO2 laser tube is installed, the inner wall of the first ring 21 is attached to the outer wall of the CO2 laser tube, and the outer wall of the second ring 22 is attached to the inner wall of the ring surface 12.

In the embodiment of the invention, the relative positions of the first ring 21 and the second ring 22 are adjusted, so that the size of the inner diameter of the clamping part 2 is changed, the clamping part can be suitable for CO2 laser tubes with different sizes, and the application range is wider.

In practical application, after the CO2 laser tube is locked by using the locking device, the first ring 21, the second ring 22 and the ring surface 12 are filled with latex, so that the shaking in the transportation process of the CO2 laser tube is prevented.

Preferably, in the embodiment of the present invention, the positioning ring 3 is of a half-huf structure, the positioning ring 3 includes a first portion 31 and a second portion 32 in a semi-circular ring shape, and the first portion 31 and the second portion 32 are connected by a third screw 6. In the embodiment of the invention, the positioning ring 3 is of a half structure, so that the locking device is more convenient to assemble or disassemble, and the laser tube is more convenient to replace.

Referring to fig. 4, in an embodiment of the present invention, a protruding ring 14 is disposed on an inner wall of the ring surface 12, and the retaining portion 2 is supported in the ring surface 12 by the protruding ring 14.

In the embodiment of the invention, the convex ring 14 is narrow, a certain gap can be reserved between the clamping part 2 and the ring surface 12 through the convex ring 14, the convex ring 14 is equivalent to a lever fulcrum, and the clamping part 2 can incline in the ring surface 12 at a certain angle, so that the fine adjustment of the axial angle of the CO2 laser tube is realized.

Furthermore, in the embodiment of the present invention, at least one notch 23 is disposed on the retaining portion 2, at least one limiting block 15 is disposed on the bottom surface 11 and is matched with the notch 23, and the limiting block 15 is retained in the notch 23 to limit the retaining portion 2 from rotating or sliding in the adjusting ring 1.

Referring to fig. 4, further, in the embodiment of the present invention, at least two openings 16 are provided on the ring surface 12, and the openings 16 are arranged along the axial direction of the ring surface 12.

The opening 16 in this embodiment of the invention allows a slight change in the inside diameter of the annulus 12 when the second screw 5 is held against the annulus 12 to more securely lock the CO2 laser tube by the holder 2.

Preferably, in the embodiment of the present invention, three second screws 5 are provided on the positioning ring 3, and the three second screws 5 are uniformly distributed along the circumferential direction of the positioning ring 3.

Preferably, in the embodiment of the present invention, three limiting holes 13 are disposed on the bottom surface 11, and the three limiting holes 13 are uniformly distributed along the circumferential direction of the bottom surface 11.

Preferably, in the embodiment of the present invention, the outer contour of the bottom surface 11 and the outer contour of the positioning ring 3 each include a straight line segment, which facilitates the mounting of the locking device on the optical base.

Specifically, three openings 16 are arranged on the ring surface 12, the ring surface 12 is divided into three sections by the three openings 16, a first section, a second section and a third section are sequentially arranged along the circumferential direction, the straight sections of the first section and the bottom surface 11 correspond to each other, the radian is small, the radian of the third section is larger than that of the second section, one of the second screws 5 abuts against the second section, and the other two second screws 5 abut against the third section.

More specifically, be equipped with a plurality of first screw holes 33 on the holding ring 3, the axis of first screw hole 33 with the axis of holding ring 3 is parallel, first screw 4 corresponds and passes one through first screw hole 33 and holding ring 3 threaded connection behind the spacing hole 13, just the diameter of spacing hole 13 is greater than the diameter of first screw hole 33.

A plurality of second threaded holes 34 are formed in the positioning ring 3, and the second screws 5 are in threaded connection with the positioning ring 3 through the second threaded holes 34.

In the embodiment of the invention, when the second screw 5 and the first screw 4 are used, flat washers with different specifications are matched for more firm locking.

Referring to fig. 5, an optical device is further provided in the embodiment of the present invention, which includes a base 101, two locking devices 102 of the above-mentioned CO2 laser tube, a shutter assembly 103, and a CO2 laser tube 104.

The two locking devices 102 are arranged on the optical base 101 at intervals; the shutter assembly 103 is used for outputting laser and is arranged on the top of the optical base 101; the CO2 laser tube 104 is matched with the shutter assembly 103 and sleeved in the two locking devices 102.

More specifically, the optical shutter assembly 103 comprises a semiconductor indicating light and an energy meter, and the optical shutter assembly 103 is fixed on the top of the optical base 101 through screws; the CO2 laser tube 104 is sleeved in the holding part 2 of the locking device 102.

Furthermore, the optical apparatus in the embodiment of the present invention includes at least two locking devices 102, and a protruding ring 14 is disposed on an inner wall of the annular surface 12 of the locking device 102, and the holder 2 is supported in the annular surface 12 by the protruding ring 14.

When the two adjusting rings 1 are adjusted respectively, the axial angle of the CO2 laser tube 104 can be finely adjusted through the two convex rings 14.

The optical equipment provided by the embodiment of the invention can lock the CO2 laser tube and realize radial adjustment of the CO2 laser tube, and has the advantages of simple structure and stronger function.

The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims

1. A locking device of a CO2 laser tube is used for locking a CO2 laser tube and is characterized by comprising:

the adjusting ring (1) comprises a bottom surface (11) and a hollow cylindrical ring surface (12), wherein a plurality of limiting holes (13) are formed in the bottom surface (11);

the annular clamping part (2) is sleeved in the annular surface (12) and is used for clamping the CO2 laser tube;

the annular positioning ring (3) is sleeved on the annular surface (12), the bottom of the positioning ring (3) is connected with the bottom surface (11) through a plurality of first screws (4), the first screws (4) correspondingly penetrate through one limiting hole (13), and a certain gap is reserved in the limiting hole (13) by the first screws (4); at the same time, the user can select the desired position,

a plurality of second screws (5) are arranged on the positioning ring (3), and the second screws (5) penetrate through the positioning ring (3) and are abutted against the ring surface (12).

2. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

the clamping part (2) comprises a first ring (21) and a second ring (22), the outer side of the first ring (21) and the inner side of the second ring (22) are provided with conical surfaces which are matched with each other, and the first ring (21) is slidably sleeved in the second ring (22) through the conical surfaces.

3. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

the positioning ring (3) is of a half structure, the positioning ring (3) comprises a first semi-annular part (31) and a second semi-annular part (32), and the first semi-annular part (31) and the second semi-annular part (32) are connected through a third screw (6).

4. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

the inner wall of the ring surface (12) is provided with a convex ring (14), and the clamping part (2) is propped against the inside of the ring surface (12) through the convex ring (14).

5. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

be equipped with at least a notch (23) on the portion of holding (2), be equipped with on bottom surface (11) at least one with notch (23) complex stopper (15), stopper (15) card hold in notch (23) is in order to restrict portion of holding (2) is in adjusting ring (1) internal rotation or gliding.

6. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

at least two openings (16) are arranged on the ring surface (12), and the openings (16) are arranged along the axial direction of the ring surface (12).

7. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

three second screws (5) are arranged on the positioning ring (3), and the second screws (5) are uniformly distributed along the circumferential direction of the positioning ring (3).

8. The locking device of the CO2 laser tube as claimed in claim 1, wherein:

the bottom surface (11) is provided with three limiting holes (13), and the three limiting holes (13) are uniformly distributed along the circumferential direction of the bottom surface (11).

9. The locking device of the CO2 laser tube as claimed in claim 1, wherein: the outer contour of the bottom surface (11) and the outer contour of the positioning ring (3) both comprise a straight line segment.

10. An optical device, comprising:

a base (101);

two locking devices (102) of the CO2 laser tube according to any one of claims 1 to 9, the two locking devices (102) being spaced apart from each other on the base (101);

a shutter assembly (103) for outputting laser light, which is provided on the top of the optical base (101);

and the CO2 laser tube (104) is matched with the optical shutter combination (103) and is sleeved in the two locking devices (102).