Heat exchange tube of inner trapezoidal tooth aluminum tube

Abstract

The utility model discloses a heat exchange tube of an inner trapezoidal tooth aluminum tube, which comprises a heat exchange copper tube sleeved on the surface of an inner trapezoidal tooth aluminum tube main body, and a plurality of integrated radiating fin strips are arranged on the surface of the heat exchange copper tube. The annular base is fixed on the surface of the inner trapezoidal tooth aluminum pipe main body and is positioned on one side of the heat exchange copper pipe; the dismounting mechanism is arranged between the annular base and the heat exchange copper pipe and comprises an L-shaped plate, a locking bolt, a limiting block and an annular groove; according to the utility model, the heat exchange tube of the inner trapezoidal tooth aluminum tube in the prior art is improved and optimized, a split structure is adopted, and the corresponding disassembly and assembly mechanism and the guide mechanism are designed, so that the heat exchange tube can be flexibly disassembled and assembled on the inner trapezoidal tooth aluminum tube; after a certain radiating fin strip on a subsequent heat exchange tube is damaged, only the heat exchange copper tube needs to be independently detached for replacement, the inner trapezoidal tooth aluminum tube does not need to be replaced together, the subsequent maintenance cost is effectively reduced, and meanwhile the heat exchange efficiency of the inner trapezoidal tooth aluminum tube is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of inner trapezoidal tooth aluminum pipe, and particularly relates to a heat exchange pipe of inner trapezoidal tooth aluminum pipe. BACKGROUND

[0002] The inner trapezoidal tooth aluminum pipe is a special aluminum pipe, which is provided with a plurality of trapezoidal teeth on the inner wall, can increase the heat transfer area, increase the number of gasification cores, promote the wave flow pattern to be converted into a semi-ring flow pattern and a ring flow pattern in advance, increase the turbulence of the liquid film, and increase the mixing of the gas-liquid two-phase, and is widely applied in evaporators, heat exchangers and condensers.

[0003] The heat exchange pipe provided on the outer surface of the inner trapezoidal tooth aluminum pipe in the prior art is generally directly arranged on the outer surface of the inner trapezoidal tooth aluminum pipe by welding or integral molding process, so that the heat exchange pipe cannot be replaced alone when the heat dissipation fins on the heat exchange pipe are damaged in the later period, and the inner trapezoidal tooth aluminum pipe must be replaced together, thereby increasing the maintenance cost in the later period, and defects exist. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a heat exchange pipe of inner trapezoidal tooth aluminum pipe to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat exchange pipe of inner trapezoidal tooth aluminum pipe, comprising

[0006] The heat exchange copper pipe is sleeved on the surface of the inner trapezoidal tooth aluminum pipe body, and a plurality of integral heat dissipation fins are arranged on the surface of the heat exchange copper pipe.

[0007] The annular base is fixed on the surface of the inner trapezoidal tooth aluminum pipe body and is located on one side of the heat exchange copper pipe.

[0008] The dismounting mechanism is arranged between the annular base and the heat exchange copper pipe and comprises an L-shaped plate, locking bolts, limiting blocks and an annular groove.

[0009] Preferably, the inner wall of the heat exchange copper pipe is coated with heat-conducting silica gel.

[0010] Preferably, a threaded hole corresponding to the locking bolt is arranged on the surface of the annular base, and a bolt hole, through which the locking bolt penetrates, is arranged on the surface of the L-shaped plate.

[0011] Preferably, the disassembling mechanism further comprises a T-shaped sliding block and a T-shaped side sliding groove, the T-shaped side sliding groove is arranged on the side of the annular base, and the T-shaped sliding block is slidably arranged in the T-shaped side sliding groove, one end of the L-shaped plate is bent and extends to the side of the annular base, and the other end of the T-shaped sliding block extends to the side of the annular base and is fixed to the end of the L-shaped plate.

[0012] Further comprising a guide structure arranged on the contact surface between the heat exchange copper pipe and the inner trapezoidal tooth aluminum pipe body, the guide structure comprises two strip-shaped guide blocks fixed to the inner wall of the heat exchange copper pipe and two strip-shaped sliding grooves arranged on the surface of the inner trapezoidal tooth aluminum pipe body, and the strip-shaped guide blocks are slidably arranged in the strip-shaped sliding grooves.

[0013] Preferably, one end of the strip-shaped sliding groove extends to the end surface of the inner trapezoidal tooth aluminum pipe body.

[0014] Preferably, the inner wall of the inner trapezoidal tooth aluminum pipe body is provided with a plurality of trapezoidal teeth.

[0015] Compared with the prior art, the heat exchange copper pipe can be flexibly disassembled from the inner trapezoidal tooth aluminum pipe, and only the heat exchange copper pipe needs to be replaced when a certain heat dissipation fin on the heat exchange copper pipe is damaged, so that the maintenance cost is reduced, and the heat exchange efficiency of the inner trapezoidal tooth aluminum pipe is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional view of the utility model;

[0017] Figure 2 is a three-dimensional view of the utility model from another perspective;

[0018] Figure 3 is a front view of the utility model;

[0019] Figure 4 is a sectional view of the utility model;

[0020] Figure 5 is a three-dimensional view of the utility model Figure 4 is a local enlarged view of area A in the utility model;

[0021] In the drawing: 1, heat exchange copper pipe; 11, heat dissipation fin; 12, strip-shaped guide block; 2, inner trapezoidal tooth aluminum pipe body; 21, trapezoidal tooth; 22, strip-shaped sliding groove; 23, annular base; 31, L-shaped plate; 32, locking bolt; 33, limiting block; 34, annular groove; 35, T-shaped sliding block; 36, T-shaped side sliding groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly 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 of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Embodiment

[0024] Please refer to Figures 1 to 5 For the embodiments of the present application, the embodiments provide a technical solution: a heat exchange pipe of an inner trapezoidal tooth aluminum pipe, comprising

[0025] The heat exchange copper pipe 1 is sleeved on the surface of the inner trapezoidal tooth aluminum pipe body 2, and the surface of the heat exchange copper pipe 1 is provided with a plurality of integral heat dissipation fins 11. The heat exchange copper pipe 1 and the heat dissipation fins 11 are both made of copper material and have good thermal conductivity, thereby accelerating the heat exchange efficiency of the inner trapezoidal tooth aluminum pipe body 2.

[0026] and the annular base 23 welded and fixed on the surface of the inner trapezoidal tooth aluminum pipe body 2 and located on one side of the heat exchange copper pipe 1;

[0027] and the dismounting mechanism provided between the annular base 23 and the heat exchange copper pipe 1, comprising an L-shaped plate 31, a locking bolt 32, a limiting block 33 and an annular groove 34. The L-shaped plate 31 is pressed on the surface of the annular base 23 through the locking bolt 32, and the limiting block 33 is welded and fixed on the inner side of the L-shaped plate 31. The annular groove 34 is opened on the surface of the heat exchange copper pipe 1, and the end portion of the limiting block 33 is inserted into the annular groove 34, so that the heat exchange copper pipe 1 can be stably positioned. If the heat exchange copper pipe 1 needs to be dismounted later, the locking bolt 32 is only needed to be unscrewed, and then the L-shaped plate 31 is moved to make the end portion of the limiting block 33 move out of the annular groove 34, so that the heat exchange copper pipe 1 is no longer positioned, and the heat exchange copper pipe 1 can be directly pulled out from one end of the inner trapezoidal tooth aluminum pipe body 2, thereby realizing the separate dismounting and replacement of the heat exchange copper pipe 1 and reducing the maintenance cost in the later period.

[0028] The inner wall of the heat exchange copper pipe 1 is coated with heat-conducting silica gel, which can increase the heat conduction efficiency between the heat exchange copper pipe 1 and the inner trapezoidal tooth aluminum pipe body 2.

[0029] The surface of the annular base 23 is provided with a threaded hole corresponding to the locking bolt 32, and the surface of the L-shaped plate 31 is provided with a bolt hole through which the locking bolt 32 penetrates, so that the threaded end of the locking bolt 32 can smoothly penetrate the L-shaped plate 31 and be screwed into the threaded hole, thereby realizing the pressing and fixing of the L-shaped plate 31.

[0030] The dismounting mechanism further comprises a T-shaped sliding block 35 and a T-shaped side sliding groove 36, the T-shaped side sliding groove 36 is arranged on the side surface of the annular base 23, the T-shaped sliding block 35 is slidably arranged in the T-shaped side sliding groove 36, one end of the L-shaped plate 31 is bent and extended to the side surface of the annular base 23, one end of the T-shaped sliding block 35 is extended to the side surface of the annular base 23 and fixed to the end of the L-shaped plate 31, so that after the subsequent locking bolt 32 is unscrewed, the L-shaped plate 31 can be slid, the limiting block 33 is moved out of the annular groove 34, the L-shaped plate 31 cannot directly fall off the surface of the annular base 23, and subsequent re-fixing of the heat exchange copper pipe 1 is facilitated.

[0031] The guiding structure is arranged on the contact surface of the heat exchange copper pipe 1 and the inner trapezoidal tooth aluminum pipe body 2, the guiding structure comprises two strip-shaped guide blocks 12 welded and fixed on the inner wall of the heat exchange copper pipe 1 and two strip-shaped sliding grooves 22 arranged on the surface of the inner trapezoidal tooth aluminum pipe body 2, the strip-shaped guide blocks 12 are slid into the strip-shaped sliding grooves 22, so that the heat exchange copper pipe 1 cannot rotate after being sleeved on the surface of the inner trapezoidal tooth aluminum pipe body 2.

[0032] One end of the strip-shaped sliding groove 22 is extended to the end surface of the inner trapezoidal tooth aluminum pipe body 2, so that the strip-shaped guide blocks 12 can be smoothly slid in and out.

[0033] The inner wall of the inner trapezoidal tooth aluminum pipe body 2 is provided with a plurality of trapezoidal teeth 21, and the inner trapezoidal tooth aluminum pipe body 2 and the trapezoidal teeth 21 are both made of aluminum.

[0034] Although the embodiments of the utility model have been shown and described (for details, see the foregoing detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat exchange tube of an inner ladder-shaped toothed aluminum tube, characterized by: The heat exchange copper pipe (1) is sleeved on the surface of the inner trapezoidal tooth aluminum pipe body (2), and the surface of the heat exchange copper pipe (1) is provided with a plurality of integral heat dissipation fins (11). An annular base (23) is fixed on the surface of the inner trapezoidal tooth aluminum pipe body (2) and located on one side of the heat exchange copper pipe (1). A dismounting mechanism is arranged between the annular base (23) and the heat exchange copper pipe (1), and comprises an L-shaped plate (31), a locking bolt (32), a limiting block (33) and an annular groove (34). The inner wall of the heat exchange copper pipe (1) is coated with heat-conducting silica gel.

2. The heat exchange tube according to claim 1, wherein: The surface of the annular base (23) is provided with a threaded hole corresponding to the locking bolt (32), and the surface of the L-shaped plate (31) is provided with a bolt hole through which the locking bolt (32) penetrates.

3. The heat exchange tube according to claim 1, wherein: The dismounting mechanism further comprises a T-shaped sliding block (35) and a T-shaped side sliding groove (36).

4. The heat exchange tube of claim 1, wherein: The T-shaped side sliding groove (36) is arranged on the side surface of the annular base (23), and the T-shaped sliding block (35) is slidably arranged in the T-shaped side sliding groove (36).

5. The heat exchange tube of claim 1, wherein: One end of the L-shaped plate (31) is bent and extended to the side surface of the annular base (23), and one end of the T-shaped sliding block (35) is extended to the side surface of the annular base (23) and fixed to the end of the L-shaped plate (31).

6. A heat exchange tube according to claim 5, wherein: A guide structure is further arranged on the contact surface between the heat exchange copper pipe (1) and the inner trapezoidal tooth aluminum pipe body (2).

7. A heat exchange tube according to claim 6, wherein: The guide structure comprises two strip-shaped guide blocks (12) fixed on the inner wall of the heat exchange copper pipe (1) and two strip-shaped sliding grooves (22) arranged on the surface of the inner trapezoidal tooth aluminum pipe body (2).

8. The heat exchange tube of claim 1, wherein: One end of the strip-shaped sliding groove (22) is extended to the end surface of the inner trapezoidal tooth aluminum pipe body (2). The inner wall of the inner trapezoidal tooth aluminum pipe body (2) is provided with a plurality of trapezoidal teeth (21).

Images