CN219419838U

CN219419838U - Laser tube

Info

Publication number: CN219419838U
Application number: CN202223143251.4U
Authority: CN
Inventors: 李良胜
Original assignee: Shanghai Shenlei Laser Technology Co ltd
Current assignee: Shanghai Shenlei Laser Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-25
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the field of laser tubes and discloses a laser tube, which comprises a laser tube shell, wherein a discharge tube is fixedly arranged at the central part of an inner cavity of the laser tube shell, a water cooling tube is wrapped and arranged at the periphery of the discharge tube, a laser light outlet is arranged at one end of the laser tube shell, an S-shaped water outlet pipe penetrating through the outer wall of the laser tube shell is fixedly connected with one end of the water cooling tube, which is close to the laser light outlet, a support frame component is arranged between the laser tube shell and the water cooling tube in a sliding manner, the outer edge of the support frame component is contacted with the inner wall of the laser tube shell, the inner edge of the support frame component is contacted with the outer edge of the water cooling tube, and the water cooling tube can be fixed by the support frame through the sliding contact between the edge of the support frame and the inner wall of the laser tube and the outer edge of the water cooling tube, so that the water cooling tube can slide freely when the discharge tube and the water cooling tube change in thermal expansion and cold contraction stress, the original fixed support point is changed into a sliding support point, and structural damage caused by thermal expansion or cold contraction stress is improved.

Description

Laser tube

Technical Field

The utility model relates to the field of laser tubes, in particular to a laser tube.

Background

The discharge tube and the water-cooled tube jacket inside the traditional old-fashioned laser tube are fixed by the laser tube shells at two ends through supporting points, and belong to hard supporting points.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a laser tube which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a laser tube, includes the laser tube shell, the inner chamber central part of laser tube shell has set firmly the discharge tube, the peripheral parcel of discharge tube is provided with the water-cooled tube, the one end of laser tube shell is provided with the laser light outlet, the one end fixedly connected with that the water-cooled tube is close to the laser light outlet runs through the S type outlet pipe of laser tube shell outer wall, the one end that is close to the laser light outlet between laser tube shell and the water-cooled tube slides and is provided with the support frame subassembly, and the outer edge of support frame subassembly and the inner wall contact of laser tube shell, the inner edge contacts with the outer edge of water-cooled tube.

Preferably, the support frame assembly comprises a support ring and a support adhesion plate, wherein the radius of the support ring is larger than the outer diameter of the water cooling tube and smaller than the inner diameter of the laser tube shell, the support adhesion plates are fixedly connected with a plurality of groups of support adhesion plates which are arranged at equal intervals on the laser tube shell, the support adhesion plates respectively extend outside and inside the support ring, the support ring is sleeved on the periphery of the water cooling tube, the inner end face of the support adhesion plate is in sliding fit with the outer wall of the water cooling tube, and the outer end face of the support adhesion plate is in sliding fit with the inner wall of the laser tube shell.

Preferably, the support bonding plates arranged on the support ring are four groups, and the four groups of support bonding plates are distributed on the support ring in a cross shape.

Preferably, the support laminating plates arranged on the support ring are eight groups, and the eight groups of support laminating plates are distributed on the support ring in a shape of a Chinese character 'mi'.

Preferably, the inner end face of the supporting and attaching plate is arc-shaped and is matched with the outer wall of the water cooling pipe, and the outer end face of the supporting and attaching plate is arc-shaped and is matched with the inner wall of the laser pipe shell.

Preferably, the axis of the support frame assembly is on the same horizontal line with the axes of the discharge tube and the water cooling tube.

(III) beneficial effects

Compared with the prior art, the utility model provides a laser tube, which has the following beneficial effects:

1. the laser tube is contacted with the inner wall of the laser tube through the outer edge of the support frame, and the inner edge of the laser tube is contacted with the outer edge of the water-cooled tube, so that the water-cooled tube can be fixed by the support frame and can slide freely due to the change of the thermal expansion stress and the cold contraction stress of the discharge tube and the water-cooled tube, the original fixed support point is changed into the sliding support point, and the physical structural damage of the water-cooled tube due to the stress or the thermal expansion stress and the cold contraction stress is improved.

2. The water outlet pipe of the laser tube is made into an S-shaped bent shape, so that the water cooling tube and the laser tube cannot be damaged due to dead fixed connection. In addition, the damage caused by the change of stress between the water cooling tube and the discharge tube can be reduced, so that the overall performance of the laser tube is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a support frame assembly according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model.

In the figure: 1. a laser tube housing; 2. a discharge tube; 3. a water-cooled tube; 4. a laser light outlet; 5. a support frame assembly; 6. a water outlet pipe; 7. a support ring; 8. and supporting the bonding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a laser tube includes a laser tube housing 1, a discharge tube 2 is fixedly disposed at a central portion of an inner cavity of the laser tube housing 1, a water cooling tube 3 is disposed around the discharge tube 2, a laser light outlet 4 is disposed at one end of the laser tube housing 1, an S-shaped water outlet tube 6 penetrating through an outer wall of the laser tube housing 1 is fixedly connected to one end of the water cooling tube 3 near the laser light outlet 4, a support frame assembly 5 is slidably disposed between the laser tube housing 1 and the water cooling tube 3 near one end of the laser light outlet 4, an outer edge of the support frame assembly 5 contacts with an inner wall of the laser tube housing 1, and an inner edge contacts with an outer edge of the water cooling tube 3.

The support frame assembly 5 comprises a support ring 7 and a support bonding plate 8, the radius of the support ring 7 is larger than the outer diameter of the water-cooled tube 3 and smaller than the inner diameter of the laser tube housing 1, a plurality of groups of support bonding plates 8 which are equidistantly arranged are fixedly connected to the laser tube housing 1, the support bonding plates 8 respectively extend outside and inside the support ring 7, the support ring 7 is sleeved on the periphery of the water-cooled tube 3, the inner end face of the support bonding plate 8 is in sliding contact with the outer wall of the water-cooled tube 3, the sliding contact position of the inner end face of the support bonding plate 8 and the outer wall of the water-cooled tube 3 is a sliding supporting point, the outer end face of the support bonding plate 8 is in sliding contact with the inner wall of the laser tube housing 1, and the end face of the support bonding plate 8 is in sliding contact with the inner wall of the laser tube housing 1 and the outer wall of the water-cooled tube 3 respectively through the support frame assembly 5, so that the water-cooled tube 3 can be fixed by the support frame assembly 5, and when the discharge tube 2 and the water-cooled tube 3 generate heat to cause thermal expansion stress change, and the outer wall of the laser tube housing 1 is in sliding contact with the support frame assembly 5, so that the discharge tube 2 and the water-cooled tube 3 can slide freely.

The support bonding plates 8 arranged on the support ring 7 are four groups, the four groups of support bonding plates 8 are distributed on the support ring 7 in a cross shape, and the sliding support points are four groups.

The support pasting plates 8 arranged on the support ring 7 are eight groups, the eight groups of support pasting plates 8 are distributed on the support ring 7 in a shape of a Chinese character 'mi', and the sliding support points are set to be eight groups.

The inner end face of the support adhesion plate 8 is arc-shaped and is matched with the outer wall of the water cooling pipe 3, and the outer end face of the support adhesion plate 8 is arc-shaped and is matched with the inner wall of the laser pipe shell 1.

The axis of the support frame component 5 is on the same horizontal line with the axes of the discharge tube 2 and the water cooling tube 3.

Working principle: the end face of the support bonding plate 8 in the support frame assembly 5 is respectively in sliding fit contact with the inner wall of the laser tube shell 1 and the outer wall of the water cooling tube 3, so that the water cooling tube 3 can be fixed by the support frame assembly 5, when the discharge tube 2 and the water cooling tube 3 generate heat to cause the stress change of expansion and contraction, the outer wall of the water cooling tube 3 and the inner wall of the laser tube shell 1 are in sliding contact with the support frame assembly 5, so that the discharge tube 2 and the water cooling tube 3 can freely slide, a traditional hard fulcrum fixed connection mode is replaced, when the laser tube works, the situation that the discharge tube 2 and the water cooling tube 3 generate heat to cause the expansion and contraction to cause the stress change of the water cooling tube 3 and the laser tube shell 1 is avoided, or a supporting point and the laser tube shell 1 generate stress change to cause the breakage of the laser tube is avoided, and the water outlet tube 6 is in an S-shaped bent shape, so that the discharge tube 2 and the water cooling tube 3 cannot be damaged due to dead fixed connection; in addition, the damage caused by the change of stress between the discharge tube 2 and the water cooling tube 3 can be reduced, so that the overall performance of the laser tube is improved.

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

Claims

1. The utility model provides a laser tube, includes laser tube shell (1), discharge tube (2) have been set firmly at the inner chamber central part of laser tube shell (1), the peripheral parcel of discharge tube (2) is provided with water cooling tube (3), the one end of laser tube shell (1) is provided with laser light outlet (4), its characterized in that: one end of the water cooling tube (3) close to the laser light outlet (4) is fixedly connected with an S-shaped water outlet tube (6) penetrating through the outer wall of the laser tube shell (1), one end, close to the laser light outlet (4), between the laser tube shell (1) and the water cooling tube (3) is slidably provided with a support frame assembly (5), and the outer edge of the support frame assembly (5) is in contact with the inner wall of the laser tube shell (1), and the inner edge is in contact with the outer edge of the water cooling tube (3).

2. A laser tube as claimed in claim 1, characterized in that: the support frame assembly (5) comprises a support ring (7) and a support bonding plate (8), wherein the radius of the support ring (7) is larger than the outer diameter of the water cooling pipe (3) and smaller than the inner diameter of the laser pipe shell (1), the support bonding plate (8) which is fixedly connected with a plurality of groups of equidistant arrangement is arranged on the laser pipe shell (1), the support bonding plate (8) respectively extends outside and inside the support ring (7), the support ring (7) is sleeved on the periphery of the water cooling pipe (3) and the inner end surface of the support bonding plate (8) is in sliding fit with the outer wall of the water cooling pipe (3), and the outer end surface of the support bonding plate (8) is in sliding fit with the inner wall of the laser pipe shell (1).

3. A laser tube as claimed in claim 2, characterized in that: the support laminating plates (8) arranged on the support ring (7) are four groups, and the four groups of support laminating plates (8) are distributed on the support ring (7) in a cross shape.

4. A laser tube as claimed in claim 2, characterized in that: the support laminating plates (8) arranged on the support ring (7) are eight groups, and the eight groups of support laminating plates (8) are distributed on the support ring (7) in a rice shape.

5. A laser tube as claimed in claim 2, characterized in that: the inner end face of the supporting and attaching plate (8) is arc-shaped and is matched with the outer wall of the water cooling pipe (3), and the outer end face of the supporting and attaching plate (8) is arc-shaped and is matched with the inner wall of the laser pipe shell (1).

6. A laser tube as claimed in claim 1, characterized in that: the axle center of the support frame component (5) is on the same horizontal line with the axle centers of the discharge tube (2) and the water cooling tube (3).