Rotary laser welding finned tube
By using a directional design and a limit block linkage assembly, the problem of damage to the tube body caused by welding of the heat-conducting sheet was solved, enabling convenient welding and maintenance, and improving the practicality and stability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-03-24
AI Technical Summary
The welding of heat-conducting fins in existing laser-welded finned tubes is prone to damage to the tube body, and the welded area is susceptible to corrosion, affecting the lifespan of the device.
The design adopts a directional rotation, which facilitates the welding and repair of the heat-conducting fins through the limiting block and linkage component, avoiding damage to the tube body. The limiting block and spring structure are used to separate the shell to facilitate the welding and maintenance of the heat dissipation fins.
It improves the ease of welding heat-conducting plates and the practicality of the device, reduces damage to the tube body, and enhances the convenience and stability of maintenance.
Smart Images

Figure CN224034459U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to finned tube technical field, concretely is a spiral direction formula laser welding finned tube. BACKGROUND
[0002] Finned tube, in order to improve heat exchange efficiency, usually through adding fin on the surface of heat exchange pipe, increase the outer surface area (or inner surface area) of heat exchange pipe, to improve heat exchange efficiency, such a heat exchange pipe.
[0003] The heat conduction sheet of the existing laser welding finned tube is mostly welded on the pipe body in spiral shape, and the welding is inconvenient, the pipe body is easily damaged when welding the heat conduction sheet, and the welding position is easily corroded, and it is not easy to repair after corrosion, and the pipe body is easily damaged after corrosion, which is not conducive to guaranteeing the service life of the device, thereby lacking certain practicality. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the defects of the prior art, the utility model provides a spiral direction formula laser welding finned tube, which has the advantages of convenient heat conduction sheet welding, and solves the problem of heat conduction sheet welding damage to the pipe body.
[0006] (II) technical scheme
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a spiral direction formula laser welding finned tube, including main body assembly, the main body assembly includes pipe body, and the outer side wall of pipe body is provided with flange plate symmetrically, and the heat dissipation fin is arranged on the pipe body, and is provided with a plurality of, the pipe body is provided with mounting assembly, and the mounting assembly includes: shell one, is arranged on the outer side wall of pipe body, the limit frame is arranged on the outer side wall of limit frame symmetrically, shell two is arranged on the outer side wall of pipe body, and the outer side wall of shell one and shell two is provided with a plurality of heat dissipation fins, box one is arranged on the outer side wall of shell two symmetrically, box two is fixedly connected with box two on the bottom of each box one, limit block is arranged on the inside of each box two symmetrically, spring one is arranged on each limit block.
[0008] Preferably, the top of each limit block is fixedly connected with a pull plate.
[0009] Preferably, the pull plate is provided with a guide rail cover on each pull plate.
[0010] Preferably, the pipe body is provided with a linkage assembly, the linkage assembly comprises a plate body fixedly connected to the two outer side walls of the shell, a moving rod inserted into the plate body, a linkage plate fixedly connected to the bottom end of the moving rod, and a rod body fixedly connected to the bottom of the linkage plate and provided with two symmetric rod bodies, and a connecting rod is hinged to the outer side wall of each pull plate and to the outer side wall of the same side rod body.
[0011] Preferably, the top end of the moving rod is fixedly connected with a pull ring.
[0012] Preferably, the top of the linkage plate is provided with a plurality of spring two.
[0013] (Three) beneficial effects
[0014] Compared with the prior art, the utility model provides a spiral laser welding finned tube, has the following beneficial effects:
[0015] The utility model has the advantages of convenient welding of the heat conduction sheet, a plurality of heat dissipation fins are welded on the shell one and the shell two, damage to the pipe body during welding is avoided, then the operator presses the two side limiting blocks, the two side limiting blocks extrude the spring one thereon, and enter the box two on the box one, then the operator can move the box two out of the limiting frame, so that the shell one and the shell two are separated, the operator can repair weld the heat dissipation fins on the shell one and the shell two, and the problem of damage to the pipe body caused by welding of the heat conduction sheet is solved. ACCURACY OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a structural schematic view of the utility model in side view;
[0018] Figure 3 It is a structural schematic view of the utility model in the box one and the box two section view;
[0019] Figure 4 It is a structural schematic view of the utility model in the plate body section view.
[0020] In the drawing:
[0021] 1, main component; 11, pipe body; 12, flange plate; 13, heat dissipation fin;
[0022] 2, mounting assembly; 21, shell one; 22, limiting frame; 23, shell two; 24, box one; 25, box two; 26, limiting block; 27, spring one;
[0023] 3, linkage assembly; 31, plate body; 32, moving rod; 33, linkage plate; 34, rod body; 35, connecting rod;
[0024] 4. Pull ring; 5. Spring two; 6. Guide rail cover; 7. Pull plate. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0026] Embodiment one
[0027] Referring to Figures 1-4 A spiral laser welding finned tube, comprising a main assembly 1; the main assembly 1 comprises a pipe body 11, a flange plate 12 is symmetrically arranged on the outer side wall of the pipe body 11; a plurality of heat dissipation fins 13 are arranged on the pipe body 11; an installation assembly 2 is arranged on the pipe body 11; the installation assembly 2 comprises: a shell one 21 arranged on the outer side wall of the pipe body 11; a limiting frame 22 symmetrically arranged on the outer side wall of the limiting frame 22; a shell two 23 arranged on the outer side wall of the pipe body 11, and a plurality of heat dissipation fins 13 are arranged on the outer side walls of the shell one 21 and the shell two 23; a box one 24 symmetrically arranged on the outer side wall of the shell two 23; a box two 25, each box one 24 is fixedly connected with a box two 25 at the bottom; a limiting block 26, each box two 25 is symmetrically provided with a limiting block 26 inside; a spring one 27, each limiting block 26 is provided with a spring one 27; each limiting block 26 is fixedly connected with a pull plate 7 at the top; each pull plate 7 is provided with a guide rail cover 6.
[0028] When ready for use, the pipeline is connected through the flange plate 12 on the pipe body 11, and then the heat dissipation fins 13 are welded on the shell one 21 and the shell two 23, so as to avoid damaging the pipe body 11 during welding, and then the operator presses the two side limit blocks 26, so that the two side limit blocks 26 extrude the spring one 27 thereon and enter the box two 25 on the box one 24, and then the operator can move the box two 25 out of the limiting frame 22, so as to separate the shell one 21 and the shell two 23, so as to facilitate the operator to repair weld the heat dissipation fins 13 on the shell one 21 and the shell two 23, thereby improving the practicality of the device; the operator pulls the two side pull plates 7 with his hand, which can drive the limit blocks 26 at the bottom of the pull plate 7 to move, avoiding the inconvenience of the operator to press the limit blocks 26 into the box two 25, thereby improving the convenience of the device; the pull plate 7 moves to drive the guide rail guard 6 to move at the same time, so that the guide rail guard 6 can cover the required sliding groove of the pull plate 7 on the box one 24, avoiding dust and other sundries entering the inside of the box one 24 when the pull plate 7 moves, causing the inside of the box one 24 to be blocked, thereby improving the stability of the device.
[0029] Example two
[0030] Reference Figures 1-4 On the basis of example one, the linkage function is added;
[0031] The pipe body 11 is provided with a linkage assembly 3, the linkage assembly 3 comprises: a plate body 31 fixedly connected to the outer side wall of the shell two 23; a moving rod 32 inserted into the inside of the plate body 31; a linkage plate 33 fixedly connected to the bottom end of the moving rod 32; a rod body 34 fixedly connected to the bottom of the linkage plate 33, and symmetrically provided with two; a connecting rod 35 is hinged on the outer side wall of each pull plate 7, and each connecting rod 35 is hinged to the outer side wall of the same side rod body 34; the top end of the moving rod 32 is fixedly connected with a pull ring 4; a plurality of spring two 5 are arranged on the top of the linkage plate 33.
[0032] When in use, the operator pulls the moving rod 32 on the plate body 31, so that the moving rod 32 drives the linkage plate 33 to move, and the linkage plate 33 drives the two rod bodies 34 to move upward at the same time, so that the two rod bodies 34 drive the pull plates 7 on them to move through the two connecting rods 35, and each pull plate 7 drives each limiting block 26 to move, so that the operator does not need to pull each pull plate 7 respectively, but only needs to pull one moving rod 32 to drive four pull plates 7 to move at the same time, thereby improving the work efficiency of the operator; the operator continues to pull the pull ring 4 by hand, so that the pull ring 4 drives the moving rod 32 to move, avoiding that the surface of the moving rod 32 is relatively smooth and inconvenient to pull, thereby improving the convenience of the device; the spring two 5 at the top of the linkage plate 33 always extrudes the linkage plate 33 downward, so that the stability of the multiple limiting blocks 26 can be guaranteed, avoiding that the shell one 21 and the shell two 23 are not stable in connection, thereby improving the safety of the device.
[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A spiral laser welding finned tube, comprising a main body assembly (1); the main body assembly (1) comprises a pipe body (11), the outer side wall of which is symmetrically provided with a flange (12); a heat dissipation fin (13) provided on the pipe body (11) and provided with a plurality of; characterized in that An installation assembly (2) is provided on the pipe body (11), the installation assembly (2) comprises: a shell one (21) provided on the outer side wall of the pipe body (11); a limiting frame (22) symmetrically provided on the outer side wall of the limiting frame (22); a shell two (23) provided on the outer side wall of the pipe body (11), and the outer side walls of the shell one (21) and the shell two (23) are provided with a plurality of heat dissipation fins (13); a box one (24) symmetrically provided on the outer side wall of the shell two (23); a box two (25) fixedly connected to the bottom of each box one (24); a limiting block (26) symmetrically provided in each box two (25); a spring one (27) provided on each limiting block (26).
2. The laser-welded finned tube according to claim 1, wherein: Each limiting block (26) is fixedly connected with a pull plate (7).
3. The laser-welded finned tube according to claim 2, wherein: Each pull plate (7) is provided with a guide rail cover (6).
4. The laser-welded finned tube according to claim 3, wherein: A linkage assembly (3) is provided on the pipe body (11), the linkage assembly (3) comprises: a plate body (31) fixedly connected to the outer side wall of the shell two (23); a moving rod (32) inserted into the plate body (31); a linkage plate (33) fixedly connected to the bottom end of the moving rod (32); a rod body (34) fixedly connected to the bottom of the linkage plate (33) and symmetrically provided with two; a connecting rod (35) hingedly connected to the outer side wall of each pull plate (7), and each connecting rod (35) is hingedly connected to the outer side wall of the same side rod body (34).
5. The laser-welded finned tube according to claim 4, wherein: The top end of the moving rod (32) is fixedly connected with a pull ring (4).
6. The laser-welded finned tube according to claim 4, wherein: A plurality of spring two (5) are provided on the top of the linkage plate (33).