Multi-group multi-hole-site heat exchanger integral internal expansion machine

By designing an adjustable auxiliary handle and an expander with a sponge ring, the problems of fixed handle position and insufficient markings in the internal expander were solved, improving operating comfort and processing efficiency.

CN223557073UActive Publication Date: 2025-11-18ZHANGJIAGANG HENGQIANG COOLING EQUIP
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Patent Information

Application Number
CN202422946288.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-18
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing internal expansion machine has a fixed auxiliary handle position that cannot be adjusted according to user habits, and the lack of a marking structure makes the installation position inconspicuous, affecting processing efficiency.

Method used

An adjustable auxiliary handle and a tube expander with a sponge ring were designed. The position of the heat exchange tube is marked by coloring the sponge ring, and excessive insertion is prevented by a limit ring and spring structure, so as to realize the adjustment of the handle position and the marking of the expansion position.

Benefits of technology

It enables flexible adjustment of the handle position, improving operating comfort, and the marking structure ensures clear expansion joint position, avoiding misoperation and equipment damage, and improving processing efficiency.

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Abstract

The utility model relates to the technical field of multi-group multi-hole-site heat exchanger integral internal expanding machines, in particular to a multi-group multi-hole-site heat exchanger integral internal expanding machine which comprises a machine head, a first threaded hole is formed in one side of the machine head, a second threaded hole is formed in the side, away from the first threaded hole, of the machine head, and a third threaded hole is formed in the top end of the machine head. According to the utility model, through the arranged components such as the machine head, the first threaded hole, the second threaded hole, the third threaded hole, the threaded rod and the auxiliary handle, the auxiliary handle is directly rotated and drives the threaded rod to rotate, so that the threaded rod and the third threaded hole are separated, and after separation, the auxiliary handle is moved to any side and a comfortable position of a user; then the threaded rod is aligned with the first threaded hole or the second threaded hole, the auxiliary handle is rotated after alignment, and the threaded rod is connected with the first threaded hole or the second threaded hole, so that the auxiliary handle is adjusted to a comfortable position.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the whole internal expansion machine of multi-group multi-hole heat exchanger, in particular to the whole internal expansion machine of multi-group multi-hole heat exchanger. BACKGROUND

[0002] The hydraulic tube expander is a special hydraulic expansion equipment for the expansion connection between the heat exchange tube and the tube plate in the manufacturing of multi-group multi-hole heat exchanger equipment, and has the advantages of low manufacturing cost, light labor intensity, short manufacturing period, uniform and reliable expansion quality, etc.

[0003] The existing internal expansion machine generally increases the control of the machine head through the auxiliary handle and reduces the pressure of single hand, but the position of the auxiliary handle is fixed, and the position of the auxiliary handle cannot be adjusted according to the habit of the user, which is very inconvenient. The existing internal expansion machine lacks a marking structure, the position of the expansion pipe installed on the heat exchanger is not eye-catching due to the large number of holes on the heat exchanger, and the expansion pipe may be forgotten to be installed, which affects the processing efficiency. Therefore, the whole internal expansion machine of multi-group multi-hole heat exchanger is provided for the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a whole internal expansion machine of multi-group multi-hole heat exchanger, which aims to solve the problems in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A whole internal expansion machine of multi-group multi-hole heat exchanger, including the machine head, the one side of machine head is equipped with the first threaded hole, the one side of machine head is equipped with the second threaded hole away from the first threaded hole, the top of machine head is equipped with the third threaded hole, the inside of third threaded hole is connected with threaded rod in spiral, the one end of threaded rod is fixedly connected with auxiliary handle away from machine head, the bottom of machine head is fixedly connected with the handle, one end of machine head is fixedly connected with the fixed ring, one end of machine head is equipped with the expander body in the inside of fixed ring, the outside of expander body is connected with expansion pipe in sliding, the one end of expander body is fixedly connected with the guide head away from machine head.

[0007] Preferably, the fixed ring is fixedly connected with the telescopic rod away from the machine head, the fixed ring is fixedly connected with the spring between the two telescopic rods away from the machine head, the telescopic rod and the spring are fixedly connected with the limiting ring away from the fixed ring, and the limiting ring is fixedly connected with the sponge ring away from the telescopic rod.

[0008] Preferably, the first threaded hole, the second threaded hole and the third threaded hole are the same size, and the first threaded hole, the second threaded hole and the third threaded hole are the same shape.

[0009] Preferably, the inner size of the first threaded hole, the second threaded hole and the third threaded hole is same as the outer size of the threaded rod, and the inner shape of the first threaded hole, the second threaded hole and the third threaded hole is same as the outer shape of the threaded rod.

[0010] Preferably, the number of the telescopic rods is six, and the telescopic rods are uniformly arranged in a spaced manner between the fixing ring and the limiting ring.

[0011] Preferably, the number of the springs is six, and the springs are uniformly arranged in a spaced manner between the fixing ring and the limiting ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、in the utility model, through the setting of the handpiece, the first threaded hole, the second threaded hole, the third threaded hole, the threaded rod and the auxiliary handle and other components, directly rotate the auxiliary handle, drive the threaded rod to rotate through the auxiliary handle, thereby separating the threaded rod and the third threaded hole, after separating, move the auxiliary handle to any side, the comfortable position of oneself, then align the threaded rod to the first threaded hole or the second threaded hole, rotate the auxiliary handle after aligning, connect the threaded rod with the first threaded hole or the second threaded hole, adjust the auxiliary handle to the comfortable position of oneself in this way, thereby solve the problems that the existing internal expansion machine generally increases the control of the handpiece through the auxiliary handle, reduces the pressure of single hand at the same time, but the position of the auxiliary handle is generally fixed, cannot adjust the direction of the auxiliary handle according to the habit of the user, is very inconvenient.

[0014] 2、in the utility model, through the setting of the fixing ring, the expander body, the expansion pipe, the telescopic rod, the spring, the limiting ring and the sponge block and other components, first insert the expansion pipe into the heat exchange pipe of the heat exchanger, then align the guide head to the expansion pipe and insert it, then control the handpiece to start through the control terminal, control the expander body to go deep into the expansion pipe and the heat exchange pipe inside through the handpiece, along with the deepening of the expander body, the sponge ring will contact the heat exchanger under the action of the limiting ring and the spring, mark the outside of the current heat exchange pipe through the pigment in the sponge ring, it is obvious whether the expansion pipe has been processed, under the action of the spring and the telescopic rod, when the expander body goes deep into the heat exchange pipe, can play a buffering role, avoid damaging the expander body due to excessive force, when the limiting ring moves to the limit of the telescopic rod, the telescopic rod will stop the limiting ring, avoid the expander body to go too deep, thereby solve the problems that the existing internal expansion machine lacks marking structure, due to the large number of holes on the heat exchanger, the position of the installed expansion pipe is not eye-catching enough, may exist the case of forgetting to install the expansion pipe, affect the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a rear view structure schematic view of the utility model;

[0017] Fig. 3 It is a detailed structure schematic view of the utility model.

[0018] In the drawing: 1, machine head; 2, first threaded hole; 3, second threaded hole; 4, third threaded hole; 5, threaded rod; 6, auxiliary handle; 7, handle; 8, fixed ring; 9, pipe expander body; 10, expanded pipe; 11, guide head; 12, telescopic rod; 13, spring; 14, limit ring; 15, sponge ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0021] In addition, it should be noted that the use of "first", "second" and the like to qualify parts is only for the convenience of distinguishing the corresponding parts, and unless otherwise stated, the above words have no special meaning, and therefore cannot be understood as limiting the scope of protection of the present application.

[0022] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0023] The utility model provides a kind of whole inner expansion machine of multiple groups of porous site heat exchanger, including head 1, the side of head 1 is equipped with first threaded hole 2, the side of head 1 away from first threaded hole 2 is equipped with second threaded hole 3, the top of head 1 is equipped with third threaded hole 4, the inside of third threaded hole 4 is spirally connected with threaded rod 5, the end of threaded rod 5 away from head 1 is fixedly connected with auxiliary handle 6, the bottom of head 1 is fixedly connected with handle 7, one end of head 1 is fixedly connected with fixed ring 8, one end of head 1 is equipped with the expansion bender body 9 in the inside of fixed ring 8, the outside of expansion bender body 9 is slidably connected with expansion pipe 10, the end of expansion bender body 9 away from head 1 is fixedly connected with guide head 11.

[0024] The end of fixed ring 8 away from head 1 is fixedly connected with telescopic rod 12, the end of fixed ring 8 away from head 1 is fixedly connected with spring 13 between two telescopic rods 12, the end of telescopic rod 12 and spring 13 away from fixed ring 8 is fixedly connected with limit ring 14, the side of limit ring 14 away from telescopic rod 12 is fixedly connected with sponge ring 15, the size of first threaded hole 2, second threaded hole 3 and third threaded hole 4 is same, the shape of first threaded hole 2, second threaded hole 3 and third threaded hole 4 is same, the inside size of first threaded hole 2, second threaded hole 3 and third threaded hole 4 and the outside size of threaded rod 5 is same, the inside shape of first threaded hole 2, second threaded hole 3 and third threaded hole 4 and the outside shape of threaded rod 5 is same, the number of telescopic rod 12 is six, telescopic rod 12 is evenly arranged between fixed ring 8 and limit ring 14 in interval, the number of spring 13 is six, spring 13 is evenly arranged between fixed ring 8 and limit ring 14 in interval.

[0025] Work flow: when a kind of multi-group multi-porous position heat exchanger integral internal inflation machine is needed, integral device is powered by outside, and pigment is dropped into sponge ring 15 in advance, first auxiliary handle 6 is rotated, threaded rod 5 is rotated by auxiliary handle 6, so that threaded rod 5 and third threaded hole 4 are separated, after separation, auxiliary handle 6 is moved to any side, and the comfortable position of oneself is moved, then threaded rod 5 is aligned with first threaded hole 2 or second threaded hole 3, after alignment, auxiliary handle 6 is rotated, threaded rod 5 is connected with first threaded hole 2 or second threaded hole 3, so as to adjust auxiliary handle 6 to the comfortable position of oneself, after adjustment, the control terminal of the present technology internal inflation machine is started, then inflation pipe 10 is inserted into the heat exchange pipe of heat exchanger, then guide head 11 is aligned with inflation pipe 10 and inserted, then the control terminal controls machine head 1 to start, and the inflation pipe body 9 is controlled by machine head 1 to be deep into inflation pipe 10 and heat exchange pipe, with the deepening of inflation pipe body 9, sponge ring 15 is contacted with heat exchanger under the action of limiting ring 14 and spring 13, the outside of the current heat exchange pipe is marked by the pigment in sponge ring 15, and it is obvious whether it has been expanded, under the action of spring 13 and telescopic rod 12, buffer effect can be achieved when inflation pipe body 9 is deep into heat exchange pipe, so as to avoid that inflation pipe body 9 is damaged due to excessive force, when limiting ring 14 moves to the limit of telescopic rod 12, telescopic rod 12 will stop limiting ring 14, to avoid that inflation pipe body 9 is excessively deep, inflation pipe 10 is expanded by inflation pipe body 9, and is fixed in the inside of heat exchange pipe.

[0026] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the 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 multi-group multi-hole heat exchanger integral internal expansion machine comprising a head (1), characterized in that: The side of the machine head (1) is provided with a first threaded hole (2), the side of the machine head (1) away from the first threaded hole (2) is provided with a second threaded hole (3), the top end of the machine head (1) is provided with a third threaded hole (4), the inner side of the third threaded hole (4) is spirally connected with a threaded rod (5), one end of the threaded rod (5) away from the machine head (1) is fixedly connected with an auxiliary handle (6), the bottom end of the machine head (1) is fixedly connected with a handle (7), one end of the machine head (1) is fixedly connected with a fixed ring (8), one end of the machine head (1) is provided with a pipe expander body (9) located on the inner side of the fixed ring (8), the outer side of the pipe expander body (9) is slidably connected with an expansion pipe (10), one end of the pipe expander body (9) away from the machine head (1) is fixedly connected with a guide head (11).

2. A multi-unit multi-passage heat exchanger integral internal expansion machine according to claim 1, wherein: The end of the fixed ring (8) away from the machine head (1) is fixedly connected with a telescopic rod (12), the end of the fixed ring (8) away from the machine head (1) is fixedly connected with a spring (13) located between the two telescopic rods (12), the end of the telescopic rod (12) and the spring (13) away from the fixed ring (8) is fixedly connected with a limiting ring (14), the side of the limiting ring (14) away from the telescopic rod (12) is fixedly connected with a sponge ring (15).

3. A multi-unit multi-passage heat exchanger internal expansion machine according to claim 2, wherein: The sizes of the first threaded hole (2), the second threaded hole (3) and the third threaded hole (4) are the same, and the shapes of the first threaded hole (2), the second threaded hole (3) and the third threaded hole (4) are the same.

4. A multi-unit multi-passage heat exchanger internal expansion machine according to claim 1, wherein: The inner side size of the first threaded hole (2), the second threaded hole (3) and the third threaded hole (4) and the outer side size of the threaded rod (5) are the same, and the inner side shape of the first threaded hole (2), the second threaded hole (3) and the third threaded hole (4) and the outer side shape of the threaded rod (5) are the same.

5. A multi-unit multi-passage heat exchanger internal expansion machine according to claim 2, wherein: The number of the telescopic rods (12) is six, and the telescopic rods (12) are uniformly arranged in a spaced manner between the fixed ring (8) and the limiting ring (14).

6. A multi-unit multi-passage heat exchanger internal expansion machine according to claim 2, wherein: The number of the springs (13) is six, and the springs (13) are uniformly arranged in a spaced manner between the fixed ring (8) and the limiting ring (14).