Integrated heat exchange tube

Abstract

The utility model discloses an integrated heat exchange tube, and relates to the technical field of heat exchange tubes. The pipe comprises a pipe body, a group of end fasteners and a reinforcing core pipe, each end fastener comprises an end plate, an inner sleeve is fixed at one end of the end plate, flange parts are arranged on opposite sides of the peripheral side surface of the inner sleeve, a joint pipe is fixed at the other end of the end plate, a group of arc-shaped grooves are arranged at two ends in the pipe body, and the inner sleeve is arranged at the inner end of the pipe body in a clearance manner. The outer diameter of the reinforcing core pipe is consistent with the inner diameter of the pipe body before the spiral fins are arranged on the peripheral side face of the pipe body. According to the utility model, through the design of the end fasteners and the reinforcing core tube, the blank tube can be internally supported in the rolling forming process of the fins on the blank tube, so that the forming stability is improved, the quality of the fins is improved, the thickness of the blank tube can be reduced, the tube wall can be reduced after the processing is finished, and the heat exchange effect of the heat exchange tube is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchange pipe technical field, especially, relate to a whole heat exchange pipe. BACKGROUND

[0002] The whole spiral finned tube is one-time formed by extruding and rolling the pipe under the condition of continuous heating in the middle frequency, and has the characteristics of high efficiency and stability. Since the processing is directly performed on the thick-walled pipe in the production process, the fin is formed from the pipe wall, and the same needs to bear the extrusion force and the rotating torque in the rolling process. Therefore, the thickness of the blank pipe is large, and the thickness of the pipe body after forming is relatively large, thereby affecting the heat exchange effect.

[0003] Therefore, it is a problem to be solved by those skilled in the art to design a heat exchange pipe with thin wall after forming without affecting the rolling forming. SUMMARY

[0004] The utility model discloses a whole heat exchange pipe, through the design of end fastener and reinforcing core pipe, can support the blank pipe internally in the fin rolling forming process on the blank pipe, thereby improving the forming stability, thereby improving the fin quality, can reduce the thickness of the blank pipe, thereby can reduce the pipe wall after processing, improve the heat exchange effect of the heat exchange pipe.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a whole heat exchange pipe, which comprises a pipe body, a group of end fasteners and a reinforcing core pipe.

[0007] The end fastener comprises an end plate, one end of the end plate is fixed with an inner sleeve, opposite sides of the circumferential surface of the inner sleeve are provided with flange parts, and the other end of the end plate is fixed with a joint pipe.

[0008] Both ends of the pipe body are provided with a group of arc-shaped grooves, the inner sleeve is gap-set at the inner end of the pipe body, and the flange parts are gap-set in the arc-shaped grooves.

[0009] The outer diameter of the reinforcing core pipe is consistent with the inner diameter of the pipe body.

[0010] Before the circumferential surface of the pipe body is provided with spiral fins, the reinforcing core pipe is concentrically arranged in the pipe body and connected with the two end fasteners at both ends.

[0011] After the circumferential surface of the pipe body is provided with spiral fins, the reinforcing core pipe is away from the pipe body, and the end fastener is fixed with the end of the pipe body by welding.

[0012] Further, the reinforcing core pipe is a solid rod or a hollow thick-walled pipe structure.

[0013] Further, the reinforcing core pipe is provided with a necked end at each end, and the necked end gap is arranged in the inner sleeve.

[0014] Further, the joint pipe is sleeved with a pointed head connector seat, and the end plate is provided with a through hole for connecting the joint pipe and the inner sleeve.

[0015] Further, the inner sleeve is provided with an outer guide slope on the side surface of one end of the pipe body.

[0016] Further, the necked end is provided with an inner guide slope on the side surface of one end close to the end fastener.

[0017] The utility model has the following beneficial effects:

[0018] The utility model discloses a heat exchange pipe, which comprises a pipe body, an end fastener and a reinforcing core pipe, wherein the end fastener is arranged on one end of the pipe body, and the reinforcing core pipe is arranged in the pipe body and connected with the end fastener.

[0019] Of course, it is not necessary for any product implementing the utility model to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0021] Figure 1 It is the structure schematic view before rolling of the utility model;

[0022] Figure 2 It is the structure schematic view after forming of the utility model;

[0023] Figure 3 It is the structure section view of the position of arc-shaped groove and flange part;

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1-tube body, 2-end fastener, 3-stiffening core tube, 101-arc-shaped groove, 102-spiral fin, 201-end plate, 202-inner sleeve, 203-flange portion, 204-joint tube, 205-outer guide slope, 206-tap connector seat, 301-necked end, 302-inner guide slope. DETAILED DESCRIPTION

[0026] 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.

[0027] Please refer to Figures 1-3 The utility model discloses a kind of integrated heat exchange pipes, including tube body 1, a group of end fastener 2 and stiffening core tube 3;

[0028] End fastener 2 includes end plate 201, end plate 201 one end is fixed with inner sleeve 202, opposite side of the circumferential surface of inner sleeve 202 is equipped with flange portion 203, and end plate 201 other end is fixed with joint tube 204;

[0029] Tube body 1 is equipped with a group of arc-shaped grooves 101 in both ends, and inner sleeve 202 is arranged in the end of tube body 1 with clearance, and flange portion 203 is arranged in arc-shaped groove 101 with clearance;

[0030] Stiffening core tube 3 outer diameter is consistent with the inner diameter of tube body 1;

[0031] When spiral fin 102 is arranged on the circumferential surface of tube body 1, stiffening core tube 3 is concentrically arranged in tube body 1 and is connected with two end fasteners 2 at both ends respectively;

[0032] When spiral fin 102 is arranged on the circumferential surface of tube body 1, stiffening core tube 3 is away from tube body 1, and end fastener 2 is fixed with the end of tube body 1 by welding.

[0033] Among them, stiffening core tube 3 is solid rod member or hollow thick-walled tube structure.

[0034] Among them as Figure 1 As shown in the figure, the both ends of stiffening core tube 3 are equipped with necked end 301, and necked end 301 is arranged in inner sleeve 202 with clearance.

[0035] Among them as Figure 1 As shown in the figure, the outer part of joint tube 204 is sleeved with tap connector seat 206, and end plate 201 is equipped with through hole for connecting joint tube 204 and inner sleeve 202.

[0036] Among them as Figures 1-2As shown, the inner sleeve 202 is located in the pipe body 1, and an outer guide slope 205 is arranged on the circumferential side surface of one end of the pipe body 1.

[0037] wherein as Figures 1-2 As shown, the necked end 301 is arranged with an inner guide slope 302 on the circumferential side surface of one end of the end fastener 2.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An integrated heat exchange tube, characterized by: The utility model relates to a kind of pipe body (1), a set of end fastener (2) and reinforcing core pipe (3); The end fastener (2) includes an end plate (201), the end plate (201) is fixed with an inner sleeve (202) at one end, the opposite sides of the circumferential surface of the inner sleeve (202) are each provided with a flange portion (203), and the other end of the end plate (201) is fixed with a joint pipe (204); The pipe body (1) is provided with a set of arc grooves (101) at both ends, the inner sleeve (202) is gap-set at the inner end of the pipe body (1), and the flange portion (203) is gap-set in the arc groove (101); The reinforcing core pipe (3) has the same outer diameter as the inner diameter of the pipe body (1). Before the pipe body (1) is provided with helical fins (102) on the circumferential surface, the reinforcing core pipe (3) is concentrically arranged in the pipe body (1) and connected to the two end fasteners (2) at both ends. After the pipe body (1) is provided with helical fins (102) on the circumferential surface, the reinforcing core pipe (3) is away from the pipe body (1), and the end fastener (2) is fixed to the end of the pipe body (1) by welding.

2. The integral heat exchange tube of claim 1 wherein, The reinforcing core pipe (3) is a solid rod or a hollow thick-walled pipe structure.

3. The integral heat exchange tube of claim 1 wherein, The reinforcing core pipe (3) is provided with a necked end (301) at both ends, and the necked end (301) is gap-set in the inner sleeve (202).

4. The integral heat exchange tube of claim 1 wherein, The joint pipe (204) is externally sleeved with a sharp-top joint seat (206), and the end plate (201) is provided with a through hole for connecting the joint pipe (204) and the inner sleeve (202).

5. The integral heat exchange tube of claim 1 wherein, The inner sleeve (202) is provided with an outer guide slope (205) on the circumferential surface at one end in the pipe body (1).

6. The integral heat exchange tube of claim 3 wherein, The necked end (301) is provided with an inner guide slope (302) on the circumferential surface close to one end of the end fastener (2).

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