Pipe expanding device for heating radiator pipe fitting

By designing a pipe expansion device for radiator pipes, and using a hydraulic cylinder to drive the extrusion plate and expansion head to connect the pipe fittings, the problem of cumbersome operation in the existing technology is solved, and efficient multi-pipe expansion operation is achieved.

CN223491909UActive Publication Date: 2025-10-31ZHEJIANG SUNLIGHT HEATING EQUIP
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Patent Information

Application Number
CN202422887815.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-31
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing radiator pipe expansion operation is cumbersome, requiring frequent movement of the flexible and extruded parts, resulting in low efficiency.

Method used

A radiator pipe expansion device was designed, including components such as a worktable, sliding groove, abutment plate, screw, and hydraulic cylinder. The hydraulic cylinder drives the extrusion plate, which in turn drives the moving plate and the expansion head to align with the pipe fittings, enabling multiple pipe fittings to expand simultaneously.

Benefits of technology

The operation process has been simplified, the tube expansion efficiency has been improved, and multiple tubes can be expanded simultaneously, significantly enhancing the ease of operation and efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223491909U_ABST
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Abstract

The utility model discloses a heating radiator pipe expanding device which comprises a working table, a sliding groove is formed in the top end of the working table, an abutting plate is connected into the sliding groove in a sliding mode, a lead screw is rotatably connected to the working table, a plurality of placing bases are fixedly connected to the top end of the working table, a limiting rod is fixedly connected to the top end of the working table, and the limiting rod is fixedly connected to the top end of the working table. A mounting frame is fixedly connected to the top end of the limiting rod, a hydraulic cylinder is fixedly mounted on the mounting frame, an extrusion plate is slidably connected to the position, corresponding to the output end of the hydraulic cylinder, of the top end of the limiting rod, a mounting base is fixedly connected to the interior of the limiting rod, a bearing plate is rotatably connected to the mounting base, and a moving plate is slidably connected to the interior of the limiting rod; the pipe expanding device has the advantages that pipe expanding treatment can be conducted on a plurality of pipe fittings at the same time, operation convenience and pipe expanding efficiency are high, and the whole structure is simple in composition and high in practicability.
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Description

Technical Field

[0001] This utility model relates to the field of radiator pipe processing technology, specifically to a radiator pipe expansion device. Background Technology

[0002] Radiator fittings are an indispensable part of the heating system. They are responsible for connecting radiators and pipes, ensuring that hot water can flow smoothly and dissipate heat. During the processing of fittings, an expansion process is required. During expansion, the extrusion part is inserted into the interior of the flexible part, which causes the flexible part to deform and drive the expansion head to be squeezed into the opening at one end of the fitting.

[0003] However, existing technologies require constantly moving the positions of the toughening and extruding components during tube expansion to connect the expansion head with tubes at different locations, making the overall operation process cumbersome and the tube expansion efficiency low. Utility Model Content

[0004] The purpose of this invention is to provide a radiator pipe expansion device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a radiator pipe expansion device, comprising a worktable, a sliding groove at the top of the worktable, an abutment plate slidably connected inside the sliding groove, a lead screw rotatably connected to the worktable, multiple placement seats fixedly connected to the top of the worktable, a limit rod fixedly connected to the top of the worktable, a mounting bracket fixedly connected to the top of the limit rod, a hydraulic cylinder fixedly mounted on the mounting bracket, a pressing plate slidably connected to the top of the limit rod corresponding to the output end of the hydraulic cylinder, a mounting seat fixedly connected inside the limit rod, a pressure plate rotatably connected to the mounting seat, a moving plate slidably connected inside the limit rod, multiple expansion heads fixedly connected to the moving plate, and symmetrically arranged springs fixedly connected to the moving plate.

[0006] Preferably, one end of the lead screw is rotatably connected inside the sliding groove, and the lead screw is threadedly connected to the abutment plate at the position corresponding to the sliding groove.

[0007] Preferably, a rotating handle is fixedly connected to the lead screw at a position corresponding to the outside of the workbench, and the mounting bracket is C-shaped.

[0008] Preferably, the extrusion plate is L-shaped, with its bottom end abutting against the pressure plate and its top end fixedly connected to the output end of the hydraulic cylinder.

[0009] Preferably, the limiting rod is internally fixedly connected with symmetrically arranged guide rods, one end of each guide rod is slidably connected through a moving plate, and each spring is fixedly connected to the inner wall of the limiting rod.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the various components can be used together to abut against each pipe fitting, and then the hydraulic cylinder is activated. The hydraulic cylinder will cause the extrusion plate to press against the pressure plate. At this time, the pressure plate will press against the moving plate. The movement of the moving plate will drive multiple expansion heads to dock with the corresponding pipe fittings, thereby completing the pipe expansion work. This utility model can simultaneously expand multiple pipe fittings, has convenient operation and high efficiency in pipe expansion, and has a simple overall structure and strong practicality. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the separation structure of the contact plate and the worktable in this utility model;

[0013] Figure 3 This is a side view of the structure of this utility model;

[0014] Figure 4 This is a cross-sectional view of the limiting rod of this utility model.

[0015] In the diagram: 1. Workbench; 2. Sliding groove; 3. Abutment plate; 4. Lead screw; 5. Placement seat; 6. Limiting rod; 7. Mounting bracket; 8. Hydraulic cylinder; 9. Extrusion plate; 10. Mounting seat; 11. Pressure plate; 12. Moving plate; 13. Expansion head; 14. Rotating handle; 15. Guide rod; 16. Spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-4This utility model provides a technical solution: a radiator pipe expansion device, including a workbench 1, a sliding groove 2 at the top of the workbench 1, an abutment plate 3 slidably connected inside the sliding groove 2, a lead screw 4 rotatably connected to the workbench 1, multiple placement seats 5 fixedly connected to the top of the workbench 1, a limit rod 6 fixedly connected to the top of the workbench 1, a mounting bracket 7 fixedly connected to the top of the limit rod 6, a hydraulic cylinder 8 fixedly mounted on the mounting bracket 7, a pressing plate 9 slidably connected to the top of the limit rod 6 at the output end position of the hydraulic cylinder 8, a mounting seat 10 fixedly connected inside the limit rod 6, a pressure plate 11 rotatably connected to the mounting seat 10, a moving plate 12 slidably connected inside the limit rod 6, multiple expansion heads 13 fixedly connected to the moving plate 12, and symmetrically arranged springs 16 fixedly connected to the moving plate 12.

[0018] One end of the lead screw 4 is rotatably connected inside the sliding groove 2. The lead screw 4 is threadedly connected to the abutment plate 3 at the position corresponding to the sliding groove 2. When the lead screw 4 rotates, it facilitates the movement of the abutment plate 3 inside the sliding groove 2. A rotating handle 14 is fixedly connected to the lead screw 4 at the position corresponding to the outside of the worktable 1. The mounting bracket 7 is C-shaped. The rotating handle 14 facilitates the operator to rotate the lead screw 4. The extrusion plate 9 is L-shaped. The bottom end of the extrusion plate 9 abuts against the pressure plate 11. The top end of the extrusion plate 9 is fixedly connected to the output end of the hydraulic cylinder 8. When the extrusion plate 9 moves downward, it facilitates the extrusion of the pressure plate 11. Symmetrically arranged guide rods 15 are fixedly connected inside the limiting rod 6. One end of each guide rod 15 slides through the moving plate 12. Springs 16 are fixedly connected to the inner wall of the limiting rod 6. The guide rods 15 facilitate the movement and guidance of the moving plate 12.

[0019] Specifically, when using this utility model, the pipe fittings can be placed on each of the placement seats 5, and then one end of the pipe fitting can be inserted into the through hole on the limiting rod 6. At this time, by rotating the handle 14, the screw 4 is rotated. The rotation of the screw 4 will drive the abutment plate 3 to slide inside the sliding groove 2. The abutment plate 3 is moved to abut against each pipe fitting. Then, the hydraulic cylinder 8 is activated. The output end of the hydraulic cylinder 8 extends and drives the extrusion plate 9 to move downward. The downward movement of the extrusion plate 9 will extrude pressure on the pressure plate 11. At this time, the pressure plate 11 will press against the mounting seat 10. As the center rotates downwards, the rotating pressure plate 11 will squeeze the moving plate 12. The pressure on the moving plate 12 will drive multiple expansion heads 13 to move towards the pipe. At the same time, the moving plate 12 will also stretch the spring 16. The moving expansion heads 13 will expand one end of the pipe. At this time, the output end of the hydraulic cylinder 8 is reset, and the spring 16 will drive the moving plate 12 back to its original position. The moving plate 12 will also squeeze the pressure plate 11 to rotate to its original position. At this time, the expansion of the pipe is completed. The operation is very convenient and the expansion efficiency is high.

[0020] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A radiator pipe expansion device, characterized in that: The device includes a workbench (1), a sliding groove (2) at the top of the workbench (1), a sliding contact plate (3) inside the sliding groove (2), a lead screw (4) rotatably connected to the workbench (1), multiple placement seats (5) fixedly connected to the top of the workbench (1), a limit rod (6) fixedly connected to the top of the workbench (1), a mounting bracket (7) fixedly connected to the top of the limit rod (6), a hydraulic cylinder (8) fixedly installed on the mounting bracket (7), a pressing plate (9) slidably connected to the top of the limit rod (6) at the output end of the hydraulic cylinder (8), a mounting seat (10) fixedly connected inside the limit rod (6), a pressure plate (11) rotatably connected to the mounting seat (10), a moving plate (12) slidably connected inside the limit rod (6), multiple expansion heads (13) fixedly connected to the moving plate (12), and symmetrically arranged springs (16) fixedly connected to the moving plate (12).

2. The radiator pipe expansion device according to claim 1, characterized in that: One end of the lead screw (4) is rotatably connected inside the sliding groove (2), and the lead screw (4) is threadedly connected to the abutment plate (3) at the position corresponding to the sliding groove (2).

3. The radiator pipe expansion device according to claim 1, characterized in that: The lead screw (4) is fixedly connected to a rotating handle (14) at the external position of the workbench (1), and the mounting bracket (7) is C-shaped.

4. The radiator pipe expansion device according to claim 1, characterized in that: The extrusion plate (9) is specifically L-shaped. The bottom end of the extrusion plate (9) abuts against the pressure plate (11), and the top end of the extrusion plate (9) is fixedly connected to the output end of the hydraulic cylinder (8).

5. The radiator pipe expansion device according to claim 1, characterized in that: The limiting rod (6) is internally fixedly connected to symmetrically arranged guide rods (15), one end of each guide rod (15) slides through the moving plate (12), and each spring (16) is fixedly connected to the inner wall of the limiting rod (6).