CN210741215U

CN210741215U - High-precision internal-threaded energy-saving pipe

Info

Publication number: CN210741215U
Application number: CN201921414399.2U
Authority: CN
Inventors: 孟丹
Original assignee: Liaoning Huasheng Runying Technology Co ltd
Current assignee: Liaoning Huasheng Runying Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-12
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to a heat transfer technique, interior screw energy-saving pipe of high accuracy, its main part are the copper pipe, and the inner wall of copper pipe is equipped with the internal thread, the internal screw tooth form is triangle-shaped, the outer wall of copper pipe is equipped with the outer heat radiation structure of a plurality of equidistant, outer heat radiation structure includes first heating panel and second heating panel, the outer wall of the first end vertically copper pipe that passes through of first heating panel, the second end vertically of first heating panel is connected at the middle part that the second heating panel main part extends the face, makes the cross section of outer heat radiation structure is "T" font, and it has good heat exchange capacity, and the wall that suits simultaneously hangs inside the box, and this interior screw energy-saving pipe of high accuracy is particularly suitable for the refrigerant heat transfer, especially uses as the capillary.

Description

High-precision internal-threaded energy-saving pipe

Technical Field

The utility model relates to a heat transfer technique, especially a hang dress heat dissipation copper pipe.

Background

The internal thread copper pipe is also called as a non-smooth pipe, and the English name refers to an internal thread TP2 red copper pipe with a smooth outer surface and a certain number of regular threads on the inner surface.

The internal thread copper pipe is usually used in water tank hanging equipment, and the internal thread is through setting up screw thread or tooth on copper pipe inner wall usually among the prior art, and in heat transfer technique, the area increase of copper pipe inner wall that screw thread or tooth are for the heat exchange capacity reinforcing of copper pipe, single this kind of copper pipe heat-absorbing capacity is enough, but the heat-sinking capacity is serious not enough, and its copper pipe outer wall surface area becomes the restriction heat exchange drawback.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a high-accuracy interior spiral shell economizer tube, it has good heat exchange capacity, and suitable wall is hung inside the box simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme:

the high-precision inner-screw energy-saving pipe is characterized in that a main body of the high-precision inner-screw energy-saving pipe is a copper pipe, an inner wall of the copper pipe is provided with an inner thread, the tooth shape of the inner thread is triangular, the outer wall of the copper pipe is provided with a plurality of equidistant outer heat dissipation structures, each outer heat dissipation structure comprises a first heat dissipation plate and a second heat dissipation plate, the outer wall of the copper pipe, perpendicular to the first end of the first heat dissipation plate, is connected to the middle of an extending face of the main body of the second heat dissipation plate, and the cross section of each outer heat dissipation structure is in a T shape.

Preferably, the ratio of the thickness of the first heat dissipation plate to the thickness of the second heat dissipation plate is 2:1-4: 1.

Preferably, in the outer heat dissipation structures, the included angle between the extension surfaces of the first heat dissipation plates of two adjacent outer heat dissipation structures is 8-15 °.

Preferably, in the outer heat dissipation structure, a ratio of a pitch between the root portions of two adjacent outer heat dissipation structures to a pitch between the inner sides of the second heat dissipation plates is greater than 3.

Preferably, the number of the teeth of the internal thread is 40-90.

Preferably, the crest angle of the internal thread is between 30 ° and 45 °.

Preferably, the helix angle of the internal thread is not less than 10 °.

Preferably, the tooth height of the internal thread is more than 0.15mm, and the root spacing of the internal thread is not more than 0.2 mm.

Preferably, the outer wall of the copper pipe is provided with a first mounting clamping strip extending along the axial direction of the copper pipe, and the cross section of the first mounting clamping strip is T-shaped.

Preferably, the outer wall of the copper pipe is provided with a second mounting clamping strip extending along the axial direction of the copper pipe, the cross section of the second mounting clamping strip is umbrella-shaped, and the thickness of the root part of the second mounting clamping strip is larger than the thickness of the main body of the second mounting clamping strip.

The utility model has the advantages that:

in this energy-conserving pipe in high-accuracy interior screw, the inside internal thread of copper pipe optimizes the parameter, and the internal thread absorbs thermal efficiency and increases, sets up a plurality of outer heat radiation structures simultaneously on the copper pipe outer wall, makes can effectually give off through outer heat radiation structure by the internal thread absorbed heat, and the inside and outside heat exchange efficiency of copper pipe provides in the realization, and heat absorption capacity, heat dissipation capacity are balanced.

The energy-saving pipe is provided with the mounting clamping strip outside the copper pipe, can be hung at the mounting clamping groove through the mounting clamping strip, and is particularly suitable for being arranged on the inner wall of the box body and positioning the energy-saving pipe.

Drawings

Fig. 1 is a schematic cross-sectional view of the high-precision internal-screw energy-saving pipe of the utility model.

Fig. 2 is a schematic cross-sectional view of another embodiment of the high-precision internal-screw energy-saving pipe of the present invention.

Fig. 3 is a partial enlarged view of fig. 1 at M.

The reference numerals include:

100-copper pipe, 200-internal thread, 300-external heat dissipation structure, 410-first installation clamping strip, 420-second installation clamping strip and 421-clamping strip root.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the main body of the high-precision internal screw energy-saving tube provided in this embodiment is a copper tube 100, an internal thread 200 is provided on an inner wall of the copper tube 100, a tooth shape of the internal thread 200 is triangular, a plurality of equidistant external heat dissipation structures 300 are provided on an outer wall of the copper tube 100, each external heat dissipation structure 300 includes a first heat dissipation plate and a second heat dissipation plate, a first end of the first heat dissipation plate vertically passes through an outer wall of the copper tube 100, and a second end of the first heat dissipation plate is vertically connected to a middle portion of an extension surface of the main body of the second heat dissipation plate, so that the cross section of the external heat dissipation structure 300 is.

As shown in fig. 1, a first mounting strip 410 extending along the axial direction of the copper tube 100 is disposed on the outer wall of the copper tube 100, and the cross section of the first mounting strip 410 is "T" shaped.

As shown in fig. 2, a second mounting strip 420 extending along the axial direction of the copper tube 100 is disposed on the outer wall of the copper tube 100, the cross section of the second mounting strip 420 is umbrella-shaped, and the thickness of the strip root 421 of the second mounting strip 420 is greater than the thickness of the main body of the second mounting strip 420.

The energy-saving pipe is provided with the mounting clamping strip outside the copper pipe 100, can be hung at the mounting clamping groove through the mounting clamping strip, and is particularly suitable for being arranged on the inner wall of a box body and positioning the energy-saving pipe.

Preferably, the ratio of the thickness of the first heat sink to the thickness of the second heat sink is between 2:1 and 4: 1. In the outer heat dissipation structures 300, the included angle between the extension surfaces of the first heat dissipation plates of two adjacent outer heat dissipation structures 300 is 8-15 °. In the outer heat dissipation structures 300, the ratio of the distance between the root portions of two adjacent outer heat dissipation structures 300 to the distance between the inner sides of the second heat dissipation plates is greater than 3. The internal threads 200 have a number of teeth of 40-90, for example 50 and 75. The crest angle of the internal thread 200 is at an angle of between 30 ° and 45 °. The helix angle of the internal thread 200 is not less than 10 °. The height of the inner thread 200 is greater than 0.15mm, and the pitch of the roots of the inner thread 200 is not greater than 0.2 mm.

As shown in fig. 3, in the present embodiment, the thickness G of the copper pipe 100 is 0.35mm, the width a of the root of the internal thread 200 is 0.15mm, the angle B of the crest of the internal thread 200 is 35 °, and the pitch C between two adjacent teeth is 0.15 mm. In the outer heat dissipation structure 300, the thickness of the first heat dissipation plate is 0.3mm, the height E of the first heat dissipation plate is 0.45mm, and the thickness F of the second heat dissipation plate is 0.1 mm.

In this energy-saving pipe in high-accuracy interior spiral shell, the inside internal thread 200 of copper pipe 100 optimizes the parameter, and internal thread 200 absorbs thermal efficiency and increases, sets up a plurality of outer heat radiation structures 300 simultaneously on copper pipe 100 outer wall, makes can effectually distribute through outer heat radiation structure 300 by the absorbed heat of internal thread 200, realizes that copper pipe 100 is inside, outer heat exchange efficiency provides, and the heat absorption capacity, heat dissipation capacity are balanced.

The high-precision internal-thread energy-saving pipe is particularly suitable for refrigerant heat exchange and is particularly used as a capillary pipe.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. The main body of the high-precision internal-screw energy-saving pipe is a copper pipe, an internal thread is arranged on the inner wall of the copper pipe, the tooth shape of the internal thread is triangular, and the high-precision internal-screw energy-saving pipe is characterized in that: the outer wall of copper pipe is equipped with the outer heat radiation structure of a plurality of equidistant, outer heat radiation structure includes first heating panel and second heating panel, the outer wall of the first end vertically copper pipe of passing through of first heating panel, the second end vertically of first heating panel is connected in the middle part of second heating panel main part extension face, makes outer heat radiation structure's cross section is "T" font.

2. The high-precision internal screw energy-saving pipe according to claim 1, wherein: the ratio of the thickness of the first heat dissipation plate to the thickness of the second heat dissipation plate is 2:1-4: 1.

3. The high-precision internal screw energy-saving pipe according to claim 1, wherein: in the outer heat dissipation structures, the included angle of the extending surfaces of the first heat dissipation plates of two adjacent outer heat dissipation structures is 8-15 degrees.

4. The high-precision internal screw energy-saving pipe according to claim 3, wherein: in the outer heat dissipation structures, the ratio of the distance between the root parts of two adjacent outer heat dissipation structures to the distance between the inner sides of the second heat dissipation plates is larger than 3.

5. The high-precision internal screw energy-saving pipe according to claim 1, wherein: the number of the teeth of the internal thread is 40-90.

6. The high-precision internal screw energy-saving pipe according to claim 5, wherein: the angle of the crest angle of the internal thread is 30-45 degrees.

7. The high-precision internal screw energy-saving pipe according to claim 5, wherein: the helix angle of the internal thread is not less than 10 degrees.

8. The high-precision internal screw energy-saving pipe according to claim 5, wherein: the tooth height of the internal thread is larger than 0.15mm, and the root space of the internal thread is not larger than 0.2 mm.

9. The high-precision internal screw energy-saving pipe according to claim 1, wherein: the outer wall of the copper pipe is provided with a first mounting clamping strip extending along the axial direction of the copper pipe, and the cross section of the first mounting clamping strip is T-shaped.

10. The high-precision internal screw energy-saving pipe according to claim 1, wherein: the outer wall of the copper pipe is provided with a second mounting clamping strip extending along the axial direction of the copper pipe, the cross section of the second mounting clamping strip is umbrella-shaped, and the thickness of the root part of the second mounting clamping strip is larger than the thickness of the main body of the second mounting clamping strip.