CN212482229U

CN212482229U - Cooling pipe

Info

Publication number: CN212482229U
Application number: CN202021093602.3U
Authority: CN
Inventors: 刘宗乐; 刘敏; 张大柯; 顾芹芹
Original assignee: Nanyang Explosion Proof Suzhou Special Equipment Co ltd
Current assignee: Nanyang Explosion Proof Suzhou Special Equipment Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-05
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a cooling pipe, including cooling pipe body (1), cooling pipe body (1) has a coolant import (1-6) and a coolant export (1-7), the pipe wall outside of cooling pipe body (1) is formed with by a plurality of radial folding portion (1-1) that cooling pipe body (1) center extends to the outside direction, and is adjacent form between radial folding portion (1-1) by coolant passageway (1-2). The utility model provides a cooling tube, simple structure can improve the heat exchange effect.

Description

Cooling pipe

Technical Field

The utility model belongs to the technical field of the motor, in particular to cooling tube.

Background

The self-lubricating sliding bearing has the advantages of long service life and convenient maintenance, but the heat dissipation problem of the self-lubricating sliding bearing is the bottleneck restricting the application of the self-lubricating sliding bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cooling tube, simple structure, the heat exchange is effectual.

Based on the above problem, the utility model provides a technical scheme is:

a cooling pipe comprises a cooling pipe body, wherein the cooling pipe body is provided with a cooling medium inlet and a cooling medium outlet, a plurality of radial folding parts extending from the center of the cooling pipe body to the outer direction are formed outside the pipe wall of the cooling pipe body, and a cooled medium channel is formed between every two adjacent radial folding parts.

In some embodiments, the plurality of radial folds are uniformly arranged circumferentially along the cooling tube body, and each radial fold extends along a length of the cooling tube body.

In some of these embodiments, the radial folds are triangular prisms.

In some embodiments, the cooling tube body includes a first tube, a third tube, and a second tube connecting the first tube and the third tube, the second tube extending from the first tube to the third tube in an oblique direction.

In some of these embodiments, the cooling medium inlet is provided at the inlet of the first pipe, and the cooling medium outlet is provided at the outlet of the third pipe.

In some embodiments, the bending angle between the first tube, the third tube and the second tube is 120-170 degrees.

In some embodiments, the cooling medium inlet and the cooling medium outlet are respectively provided with a pipe sleeve for mounting the cooling pipe body on the outer wall of the cooled medium cavity.

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

1. the pipe wall of the cooling pipe body is externally provided with a plurality of radial folding parts, so that the contact area between the cooling medium in the cooling pipe body and the cooled medium outside the cooling pipe body can be increased, the thermal resistance is reduced, the heat dissipation surfaces of the radial folding parts can conform to the flowing direction of fluid, the convection resistance is reduced, the heat exchange effect can be further enhanced, and the temperature of the cooled medium is reduced;

2. the cooling pipe body comprises a three-section structure formed by bending, cooling medium enters from a cooling medium inlet at a lower position and is discharged from a cooling medium outlet at a higher position, and natural convection of the cooling medium can be fully utilized by utilizing the height difference of the cooling pipe body, so that the heat exchange effect is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a cooling tube according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a usage status diagram of the embodiment of the present invention;

wherein:

1. a cooling tube body; 1-1, a radial fold; 1-2, a cooled medium channel; 1-3, a first pipe body; 1-4, a second tube body; 1-5, a third tube body; 1-6, cooling medium inlet; 1-7, a cooling medium outlet;

2. pipe sleeve;

3. and a bearing seat.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Referring to fig. 1-3, for the structural schematic diagram of the embodiment of the present invention, a cooling pipe is provided for cooling a sliding bearing of a self-lubricating sliding bearing motor, which includes a cooling pipe body 1, the cooling pipe body 1 has a cooling medium inlet 1-6 and a cooling medium outlet 1-7, in this example, the cooling medium is air, a plurality of radial folded portions 1-1 extending from the center of the cooling pipe body 1 to the outside are formed on the outer portion of the pipe wall of the cooling pipe body 1, a cooled medium channel 1-2 is formed between adjacent radial folded portions 1-1, and the cooled medium is lubricating oil disposed in a bearing seat 3 of the sliding bearing.

In this example, a plurality of radial folded portions 1-1 are uniformly arranged along the circumferential direction of the cooling tube body 1, each radial folded portion 1-1 extends along the length direction of the cooling tube body 1, and the radial folded portions 1-1 are triangular prisms, so that the structure can increase the contact area between air and lubricating oil and improve the heat exchange effect.

In order to further optimize the implementation effect of the present invention, the cooling pipe body 1 is a bent three-section structure, and includes a first pipe body 1-3, a third pipe body 1-5 arranged in parallel, and a second pipe body 1-4 connecting the first pipe body 1-3 and the third pipe body 1-5, wherein the second pipe body 1-4 extends upwards from the first pipe body 1-3 in an inclined manner toward the third pipe body 1-5, and preferably, the bending angle of the first pipe body 1-3, the third pipe body 1-5 and the second pipe body 1-4 is 120-170 degrees.

In this example, the cooling medium inlets 1-6 are provided at the inlets of the first tubes 1-3, and the cooling medium outlets 1-7 are provided at the outlets of the third tubes 1-5, so that air outside the bearing enters the cooling tube body 1 from a lower position, and exits the cooling tube body 1 from a higher position, and natural convection of air can be fully utilized by utilizing the height difference formed by the cooling tube body 1, thereby enhancing the heat exchange effect.

In order to facilitate the installation of the cooling pipe body 1 on the bearing seat 3, the pipe sleeves 2 are respectively arranged on the cooling medium inlets 1-6 and the cooling medium outlets 1-7, two ends of the cooling pipe body 1 are installed on the standby hole and the oil outlet hole of the bearing seat 3 through the pipe sleeves 2, the existing installation holes of the sliding bearings are utilized, the design of the sliding bearings does not need to be changed, an additional structure does not need to be added, the installation is convenient, the heat dissipation capacity and the efficiency of the sliding bearings are improved, and the temperature rise of the sliding bearings is reduced.

The above examples are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable one skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A cooling tube, characterized by: the cooling pipe comprises a cooling pipe body (1), wherein the cooling pipe body (1) is provided with a cooling medium inlet (1-6) and a cooling medium outlet (1-7), a plurality of radial folding parts (1-1) extending from the center of the cooling pipe body (1) to the outside are formed outside the pipe wall of the cooling pipe body (1), and cooled medium channels (1-2) are formed between the adjacent radial folding parts (1-1).

2. The cooling tube of claim 1, wherein: the radial folding parts (1-1) are uniformly arranged along the circumferential direction of the cooling pipe body (1), and each radial folding part (1-1) extends along the length direction of the cooling pipe body (1).

3. The cooling tube of claim 2, wherein: the radial folding part (1-1) is in a triangular prism shape.

4. The cooling pipe according to any one of claims 1 to 3, wherein: the cooling pipe body (1) comprises a first pipe body (1-3), a third pipe body (1-5) and a second pipe body (1-4) which is connected with the first pipe body (1-3) and the third pipe body (1-5) in parallel, and the second pipe body (1-4) extends upwards in an inclined mode from the first pipe body (1-3) to the third pipe body (1-5).

5. The cooling tube of claim 4, wherein: the cooling medium inlet (1-6) is arranged at the inlet of the first pipe body (1-3), and the cooling medium outlet (1-7) is arranged at the outlet of the third pipe body (1-5).

6. The cooling tube of claim 4, wherein: the bending angles among the first pipe body (1-3), the third pipe body (1-5) and the second pipe body (1-4) are 120-170 degrees.

7. The cooling tube of claim 1, wherein: and pipe sleeves (2) are respectively arranged on the cooling medium inlets (1-6) and the cooling medium outlets (1-7) and used for installing the cooling pipe body (1) on the outer wall of the cooled medium cavity.