Staggered parallel type laser welding finned tube

Abstract

The utility model discloses a staggered parallel type laser welding finned tube which comprises two sets of header pipes and finned tubes, branch pipes are fixedly installed on the outer surfaces of one sides of the header pipes at equal intervals, quick connecting assemblies are arranged between the branch pipes and the finned tubes, each quick connecting assembly comprises an upper arc ring, a lower arc ring and a clamping assembly, and the clamping assemblies are connected with the upper arc rings. And each clamping assembly comprises a first fixing block, a second fixing block, an inserting groove, a clamping hole, an inserting block, a mounting cavity, a sliding hole, a clamping pin, a limiting block and a spiral spring. According to the staggered parallel type laser welding finned tube, the finned tube and the branch tube are in detachable design and are convenient to overhaul and maintain, the finned tube and the branch tube are convenient to assemble and disassemble due to the arrangement of the quick connecting assembly, and the convenience of assembly and disassembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to staggered parallel type laser welding finned tube technical field, concretely is a kind of staggered parallel type laser welding finned tube. BACKGROUND

[0002] Staggered parallel type laser welding finned tube is composed of multiple parallel tubes, the outer side of each tube is processed with wave-shaped fin, and is manufactured using laser welding technology.

[0003] Finned tube is mainly used to increase heat exchange area and improve heat exchange efficiency, and staggered parallel structure increases heat exchange area.

[0004] However, in the prior art, the finned tube and the main pipe are connected by welding or flange, which is not convenient for assembly and disassembly, and increases the difficulty of cleaning and maintenance.

[0005] Therefore, we propose a kind of staggered parallel type laser welding finned tube. UTILITY MODEL CONTENTS

[0006] (1) technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a kind of staggered parallel type laser welding finned tube, so that finned tube is quickly assembled and disassembled, and the difficulty of maintenance is reduced, which can effectively solve the problems in the background art.

[0008] (2) technical scheme

[0009] To achieve the above-mentioned purpose, the utility model takes the technical scheme that a kind of staggered parallel type laser welding finned tube, including main pipe and finned tube, the number of main pipe is two groups, the outer surface of one side of main pipe is fixedly installed with branch pipe at equal intervals, quick coupling assembly is arranged between branch pipe and finned tube, the quick coupling assembly includes upper arc ring, lower arc ring and clamping assembly, and the clamping assembly includes first fixed block, second fixed block, slot, clamping hole, plug, installation cavity, sliding hole, clamping pin, limit block and helical spring, and the inside of upper arc ring and lower arc ring is all provided with arc limit slot, the inner wall of upper arc ring and lower arc ring is all bonded with rubber lining, the outer wall of one end of finned tube and branch pipe is fixedly installed with limit ring, and the one side of limit ring is provided with rubber gasket.

[0010] Preferably, the limit ring is limited in the arc limit slot in the inside of upper arc ring and lower arc ring.

[0011] Preferably, the second fixed block is fixedly installed in the lower part of the outer surface of both sides of upper arc ring, and the first fixed block is fixedly installed in the upper part of the outer surface of both sides of lower arc ring.

[0012] Preferably, the slot is located on the lower outer surface of the second fixing block, and the snap-fit ​​hole is located in the middle of the outer surface of one end of the second fixing block, and the snap-fit ​​hole communicates with the slot.

[0013] Preferably, the insert is fixedly installed on the upper outer surface of the first fixing block, the mounting cavity is opened inside one end of the insert, the sliding hole is opened on the outer surface of the insert near the snap-fit ​​hole, the sliding hole communicates with the mounting cavity, and the outer wall of the insert is inserted into the slot, and the outer wall of one end of the snap-fit ​​pin is snapped into the snap-fit ​​hole.

[0014] Preferably, the limiting block and the helical spring are both located in the mounting cavity. The helical spring is fixedly installed between the end of the mounting cavity away from the sliding hole and the outer surface of one side of the limiting block. The snap-fit ​​pin is fixedly installed on the outer surface of the limiting block away from the helical spring. The outer wall of the snap-fit ​​pin is slidably connected to the sliding hole. The outer wall of the limiting block is slidably connected to the mounting cavity. The outer surface of one side of the limiting block is elastically connected to one end of the mounting cavity through the helical spring.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides an interleaved parallel laser-welded finned tube, which has the following beneficial effects:

[0017] 1. This is a staggered parallel laser-welded finned tube, with a detachable design between the finned tube and the branch tube, which facilitates inspection and maintenance.

[0018] 2. This type of staggered parallel laser-welded finned tube features a quick-connect assembly, which facilitates the assembly and disassembly of the finned tube and the branch tube, thus improving the ease of assembly and disassembly. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of an interlaced parallel laser-welded finned tube according to the present invention.

[0020] Figure 2 This is a partial structural schematic diagram of an interlaced parallel laser-welded finned tube according to the present invention.

[0021] Figure 3 This utility model relates to an interlaced parallel laser-welded finned tube. Figure 2 Side view cross-section.

[0022] Figure 4 This is a side cross-sectional view of a snap-fit ​​assembly in an interlaced parallel laser-welded finned tube according to the present invention.

[0023] In the diagram: 1. Main pipe; 2. Branch pipe; 3. Finned tube; 4. Quick-connect assembly; 5. Upper arc ring; 6. Lower arc ring; 7. Snap-fit ​​assembly; 8. Rubber liner; 9. Limiting ring; 10. Rubber washer; 11. First fixing block; 12. Second fixing block; 13. Slot; 14. Snap-fit ​​hole; 15. Insert block; 16. Mounting cavity; 17. Sliding hole; 18. Snap-fit ​​pin; 19. Limiting block; 20. Helical spring. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] This embodiment is an interleaved parallel laser-welded finned tube.

[0026] like Figures 1-4 As shown, the system includes a main pipe 1 and finned tubes 3. There are two sets of main pipes 1. Branch pipes 2 are fixedly installed at equal intervals on one side of the outer surface of the main pipe 1. A quick-connect assembly 4 is provided between the branch pipes 2 and the finned tubes 3. The quick-connect assembly 4 includes an upper arc ring 5, a lower arc ring 6 and a snap-fit ​​assembly 7. The snap-fit ​​assembly 7 includes a first fixing block 11, a second fixing block 12, a slot 13, a snap-fit ​​hole 14, an insert block 15, a mounting cavity 16, a sliding hole 17, a snap-fit ​​pin 18, a limiting block 19 and a coil spring 20. The upper arc ring 5 and the lower arc ring 6 are both provided with arc-shaped limiting grooves. The inner walls of the upper arc ring 5 and the lower arc ring 6 are both bonded with rubber liners 8. Limiting rings 9 are fixedly installed on the outer walls of one end of the finned tubes 3 and the branch pipes 2. A rubber gasket 10 is provided on one side of the limiting ring 9.

[0027] The limiting ring 9 is limited in the arc-shaped limiting slot inside the upper arc ring 5 and the lower arc ring 6; the second fixing block 12 is fixedly installed on the lower part of the outer surface of the two sides of the upper arc ring 5, and the first fixing block 11 is fixedly installed on the upper part of the outer surface of the two sides of the lower arc ring 6; the insertion slot 13 is arranged on the lower end outer surface of the second fixing block 12, the clamping hole 14 is arranged on the middle part of the outer surface of one end of the second fixing block 12, and the clamping hole 14 is communicated with the insertion slot 13; the insertion block 15 is fixedly installed on the upper end outer surface of the first fixing block 11, the installation cavity 16 is arranged in the inner part of one end of the insertion block 15, the sliding hole 17 is arranged on the outer surface of one end of the insertion block 15 close to the clamping hole 14, the sliding hole 17 is communicated with the installation cavity 16, the outer wall of the insertion block 15 is inserted with the insertion slot 13, and the outer wall of one end of the clamping pin 18 is clamped with the clamping hole 14; the limiting block 19 and the spiral spring 20 are both located in the installation cavity 16, the spiral spring 20 is fixedly installed between the end of the installation cavity 16 away from the sliding hole 17 and the outer surface of one side of the limiting block 19, the clamping pin 18 is fixedly installed on the outer surface of one side of the limiting block 19 away from the spiral spring 20, the outer wall of the clamping pin 18 is slidably connected with the sliding hole 17, the outer wall of the limiting block 19 is slidably connected with the installation cavity 16, and one side of the outer surface of the limiting block 19 is elastically connected with one end of the installation cavity 16 through the spiral spring 20.

[0028] It should be noted that the utility model is a kind of staggered parallel laser welding finned tube, total pipe 1 and finned tube 3 recorded in the present application are all prior art, and skilled persons in the art can effectively obtain them, and specific details are not repeated;When the quick connection assembly 4 is arranged between the finned tube 3 and the branch pipe 2, the upper arc ring 5 and the lower arc ring 6 are clamped at the connecting end of the branch pipe 2 and the finned tube 3, so that the limiting ring 9 is limited in the arc-shaped limiting slot inside the upper arc ring 5 and the lower arc ring 6, and the rubber gasket 10 is added between the limiting ring 9 at one end of the branch pipe 2 and the finned tube 3, the clamping pin 18 is extruded, the clamping pin 18 slides along the sliding hole 17, one end of the clamping pin 18 enters the sliding hole 17, the clamping pin 18 drives the limiting block 19 to extrude the spiral spring 20 in the installation cavity 16, one end of the clamping pin 18 enters the sliding hole 17, then the insertion block 15 is inserted into the insertion slot 13, when the clamping pin 18 reaches one end of the clamping hole 14, due to the reaction force of the spiral spring 20, one end of the clamping pin 18 is clamped into the clamping hole 14, the assembly of the upper arc ring 5 and the lower arc ring 6 is realized, so that the assembly and limiting between the branch pipe 2 and the finned tube 3 are realized, the branch pipe 2 and the finned tube 3 are connected by clamping, convenient assembly and disassembly, convenient maintenance and maintenance after disassembling the finned tube 3, and after the clamping pin 18 is clamped in the clamping hole 14, the rubber gasket 10 and the rubber lining 8 are in the extruded state, and the sealing effect is achieved.

[0029] It is to be noted that, in this document, the terms such as first and second, etc. are used merely to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A staggered parallel laser-welded finned tube, comprising a main tube (1) and finned tubes (3), characterized in that: The main pipe (1) consists of two sets. Branch pipes (2) are fixedly installed at equal intervals on one side of the outer surface of the main pipe (1). A quick-connect assembly (4) is provided between the branch pipe (2) and the finned pipe (3). The quick-connect assembly (4) includes an upper arc ring (5), a lower arc ring (6), and a snap-fit ​​assembly (7). The snap-fit ​​assembly (7) includes a first fixing block (11), a second fixing block (12), a slot (13), a snap-fit ​​hole (14), and a plug (15). The upper arc ring (5) and the lower arc ring (6) are provided with arc-shaped limiting grooves. The inner walls of the upper arc ring (5) and the lower arc ring (6) are bonded with rubber liners (8). The outer walls of the finned tube (3) and the branch tube (2) are fixedly installed with limiting rings (9). A rubber gasket (10) is provided on one side of the limiting ring (9).

2. The staggered parallel laser-welded finned tube according to claim 1, characterized in that: The limiting ring (9) is located in the arc-shaped limiting groove inside the upper arc ring (5) and the lower arc ring (6).

3. The staggered parallel laser-welded finned tube according to claim 2, characterized in that: The second fixing block (12) is fixedly installed on the lower part of the outer surface of both sides of the upper arc ring (5), and the first fixing block (11) is fixedly installed on the upper part of the outer surface of both sides of the lower arc ring (6).

4. The staggered parallel laser-welded finned tube according to claim 3, characterized in that: The slot (13) is located on the lower outer surface of the second fixing block (12), and the snap-fit ​​hole (14) is located in the middle of the outer surface of one end of the second fixing block (12). The snap-fit ​​hole (14) is connected to the slot (13).

5. The staggered parallel laser-welded finned tube according to claim 4, characterized in that: The insert (15) is fixedly installed on the upper outer surface of the first fixing block (11). The mounting cavity (16) is opened inside one end of the insert (15). The sliding hole (17) is opened on the outer surface of one end of the insert (15) near the snap-fit ​​hole (14). The sliding hole (17) communicates with the mounting cavity (16). The outer wall of the insert (15) is inserted into the slot (13). The outer wall of one end of the snap-fit ​​pin (18) is snapped into the snap-fit ​​hole (14).

6. The staggered parallel laser-welded finned tube according to claim 5, characterized in that: The limiting block (19) and the helical spring (20) are both located in the mounting cavity (16). The helical spring (20) is fixedly installed between the end of the mounting cavity (16) away from the sliding hole (17) and the outer surface of one side of the limiting block (19). The snap-fit ​​pin (18) is fixedly installed on the outer surface of the limiting block (19) away from the helical spring (20). The outer wall of the snap-fit ​​pin (18) is slidably connected to the sliding hole (17). The outer wall of the limiting block (19) is slidably connected to the mounting cavity (16). The outer surface of one side of the limiting block (19) is elastically connected to one end of the mounting cavity (16) through the helical spring (20).

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