CN213661989U

CN213661989U - Heating pipe

Info

Publication number: CN213661989U
Application number: CN202022803701.2U
Authority: CN
Inventors: 冯海涛
Original assignee: Guangdong Eurasia Crown Metal New Material Co ltd
Current assignee: Guangdong Eurasia Crown Metal New Material Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-09
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a heating pipe, including ceramic pipe and heater, the ceramic pipe is close to both ends tip department and is equipped with the arch respectively, and the heater winding is equipped with first conductive terminal on the arch of ceramic pipe one end on the ceramic pipe lateral wall between the arch at both ends, and the arch of the ceramic pipe other end is equipped with second conductive terminal, first conductive terminal and second conductive terminal all with heater electric connection. When the heating tube is used for manufacturing the ceramic tube, the positions for mounting the first conductive terminal and the second conductive terminal are preset to manufacture the bulges, so that the thickness of the parts is increased, the first conductive terminal and the second conductive terminal are convenient to mount, and meanwhile, the other parts of the ceramic tube are ensured to still have good heat conductivity.

Description

Heating pipe

Technical Field

The utility model relates to a heating pipe of water heating equipment.

Background

One of the existing heating pipes is made of metal, and scale is easily generated on the inner wall of the heating pipe in the process of heating water, so that the existing heating pipe is not sanitary and reduces the heating efficiency of the heating pipe; the other type is made of ceramics, in order to ensure that the ceramic tube has good heat conductivity, the tube wall of the ceramic tube is very thin, a heating wire is wound outside the ceramic tube, the outer wall of the ceramic tube is very smooth, and the heating wire needs to be wound at intervals and limited, so that conductive terminals are arranged at two ends of the heating wire, but the conductive terminals of the heating wire are difficult to fix on the ceramic tube, and the ceramic tube is easy to damage during fixing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the shortcomings of the prior art and provide a heating pipe which is not easy to damage.

The purpose of the utility model is realized like this.

The utility model provides a heating pipe, includes ceramic tube and heater, the ceramic tube is close to both ends tip department and is equipped with the arch respectively, and the heater winding is equipped with first conductive terminal on the arch of ceramic tube one end on the ceramic tube lateral wall between the arch at both ends, is equipped with second conductive terminal on the arch of the ceramic tube other end, first conductive terminal and second conductive terminal all with heater electric connection. When the heating tube is used for manufacturing the ceramic tube, the positions for mounting the first conductive terminal and the second conductive terminal are preset to manufacture the bulges, so that the thickness of the parts is increased, the first conductive terminal and the second conductive terminal are convenient to mount, and meanwhile, the other parts of the ceramic tube are ensured to still have good heat conductivity.

As a more specific scheme, the first conductive terminal and the corresponding protrusion clamp a first end of the heating wire, the second conductive terminal and the corresponding protrusion clamp a second end of the heating wire, and the first conductive terminal and the second conductive terminal are fixed on the protrusion and fix two ends of the heating wire, that is, the heating wire is ensured to be wound on the ceramic tube.

As a more specific scheme, the first conductive terminal is a first clamp, the first clamp is sleeved on the corresponding protrusion along the radial direction of the ceramic tube, the second conductive terminal is a second clamp, and the second clamp is sleeved on the corresponding protrusion along the radial direction of the ceramic tube.

More specifically, the protrusions are annular protrusions, the protrusions and the ceramic tube are integrally formed, and the protrusions are easy to manufacture.

As another more specific scheme, the protrusion is composed of at least two protrusions, the protrusions are arranged at equal intervals along the radial direction of the ceramic tube, the protrusions and the ceramic tube are integrally formed, the first conductive terminal and the corresponding protrusion clamp the first end of the heating wire, the second conductive terminal and the corresponding protrusion clamp the second end of the heating wire, the contact surfaces of the first conductive terminal and the second conductive terminal and the protrusions are small, stress is concentrated, and two ends of the heating wire can be better fixed.

As a more specific scheme, the first conductive terminal and the first end of the heating wire are welded and fixed, and the second conductive terminal and the second end of the heating wire are welded and fixed, so that the heating wire is further fixed, and the heating wire is prevented from being loosened to cause mutual contact between the heating wires.

As a more specific scheme, an insulating shell is further arranged between the bulges at the two ends, the insulating shell wraps the heating wire, the insulating shell prevents the heating wire from being exposed, and the heating wire is prevented from being short-circuited or leaked.

More specifically, the insulating shell is provided with a fixing bracket, and the fixing bracket is used for mounting the heating pipe on the water heating equipment.

As a more specific scheme, the insulating shell comprises an upper semicircular shell and a lower semicircular shell, supporting legs are arranged on the upper semicircular shell and the lower semicircular shell, the supporting legs of the upper semicircular shell and the lower semicircular shell are fixedly connected, so that the upper semicircular shell and the lower semicircular shell are folded into a cylindrical insulating shell, the supporting legs of the upper semicircular shell and the lower semicircular shell jointly form the fixing support, and the insulating shell is easy to install and manufacture.

As another more specific scheme, the insulation shell comprises an upper semicircular shell and a lower semicircular shell, the upper semicircular shell and the lower semicircular shell are locked through a third clamp, so that the upper semicircular shell and the lower semicircular shell are folded into a cylindrical insulation shell, and the insulation shell is easy to mount and manufacture.

The utility model discloses beneficial effect as follows:

(1) when the heating tube is used for manufacturing the ceramic tube, the first conductive terminal and the second conductive terminal are installed in a preset mode, and the protrusions are manufactured, so that the thickness of the part is increased, the first conductive terminal and the second conductive terminal can be installed conveniently, meanwhile, other parts of the ceramic tube are guaranteed to have good heat conductivity, and the heating tube is simple in integral structure and reasonable in design.

(2) Secondly, when first conductive terminal and second conductive terminal are fixed on the arch to fixed heater both ends ensure that the heater twines on the ceramic tube promptly, first conductive terminal and second conductive terminal adopt the clamp structure, and the installation is easy, and is convenient for fix the heater both ends.

(3) Furthermore, the annular bulge or the plurality of bulges form a bulge design, and the two ends of the heating wire are matched to be welded with the first conductive terminal and the second conductive terminal, so that the position of the heating wire is limited, and the heating wire is prevented from being loosened to cause mutual contact and short circuit between the heating wires.

(4) In addition, insulating housing parcel heater, insulating housing avoids the heater to expose, prevents that the heater from taking place short circuit or electric leakage, and the outer fixed bolster of insulating housing is used for installing the heating pipe on water heating equipment, and insulating housing installation, manufacturing are easy.

Drawings

Fig. 1 is a schematic structural diagram of a heat-generating pipe according to an embodiment.

Fig. 2 is a schematic structural diagram of a heat-generating pipe according to an embodiment (omitting an insulating housing).

Fig. 3 is a schematic cross-sectional view of a heat-generating pipe according to an embodiment.

Fig. 4 is a schematic structural diagram of the first conductive terminal or the second conductive terminal in the first embodiment.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

in a first embodiment, referring to fig. 1 to 4, a heating tube includes a ceramic tube 1 and a heating wire 2, where the ceramic tube 1 is provided with protrusions 3 near end portions of two ends, the protrusions 3 are annular protrusions, the heating wire 2 is wound on an outer side wall of the ceramic tube 1 between the protrusions 3 at two ends, the protrusion 3 at one end of the ceramic tube 1 is provided with a first conductive terminal 4, the first conductive terminal 4 and the protrusion 3 at one end clamp a first end of the heating wire 2, and the first conductive terminal 4 and the first end of the heating wire 2 are welded and fixed, the protrusion 3 at the other end of the ceramic tube 1 is provided with a second conductive terminal 5, the second conductive terminal 5 and the corresponding protrusion 3 clamp a second end of the heating wire 2, and the second conductive terminal 5 and the second end of the heating wire 2 are welded and fixed.

Still be equipped with insulating housing 6 between the arch 3 at both ends, insulating housing 6 includes semicircle casing 7 and semicircle casing 8 down, all is equipped with stabilizer blade 9 on semicircle casing 7 and the semicircle casing 8 down, and last semicircle casing 7 and semicircle casing 8's stabilizer blade 9 fixed connection down make last semicircle casing 7 and semicircle casing 8 fold into cylindric insulating housing 6 down, and insulating housing 6 parcel heater 2 constitutes fixed bolster 10 with lower semicircle casing 8's stabilizer blade 9 jointly. The heating pipe is fixed on the water heating equipment such as an instant water heater through the fixing support 10, and the first conductive terminal 4 and the second conductive terminal 5 are electrically connected with a circuit on the water heating equipment. Two ends of the ceramic tube 1 are provided with silica gel connecting sleeves 11 for connecting with a water path on the water heating equipment.

In this embodiment, the projections 3 and the ceramic tube 1 are integrally formed. First conductive terminal 4 is first clamp, and first clamp radially overlaps on corresponding arch 3 along ceramic pipe 1, second conductive terminal 5 is the second clamp, and the second clamp radially overlaps on corresponding arch 3 along ceramic pipe 1, and like this, first conductive terminal 4 and the installation of second conductive terminal 5 are easier, simple.

The second embodiment is different from the first embodiment in that: the protrusion 3 is composed of at least two protrusions, the protrusions are arranged along the radial direction of the ceramic tube 1 at equal intervals, the protrusions and the ceramic tube 1 are integrally formed, the first conductive terminal 4 and one corresponding protrusion clamp the first end of the heating wire 2, and the second conductive terminal 5 and one corresponding protrusion clamp the second end of the heating wire 2. This makes it possible to make the first and second

conductive terminals

4 and 5 more strongly clamp both ends of the heater 2.

Insulating housing 6 includes upper semicircular shell 7 and lower semicircular shell 8, and upper semicircular shell 7 and lower semicircular shell 8 are locked through the third clamp, make upper semicircular shell 7 and lower semicircular shell 8 fold into cylindric insulating housing 6. The insulating housing 6 is easy to manufacture.

Claims

1. The utility model provides a heating pipe, includes ceramic pipe (1) and heater (2), characterized by, ceramic pipe (1) is close to both ends tip department and is equipped with arch (3) respectively, and heater (2) winding is on ceramic pipe (1) lateral wall between arch (3) at both ends, is equipped with first conductive terminal (4) on protruding (3) of ceramic pipe (1) one end, is equipped with second conductive terminal (5) on protruding (3) of ceramic pipe (1) other end, first conductive terminal (4) and second conductive terminal (5) all with heater (2) electric connection.

2. The heating tube according to claim 1, wherein the first conductive terminal (4) and the corresponding protrusion (3) clamp a first end of the heating wire (2), and the second conductive terminal (5) and the corresponding protrusion (3) clamp a second end of the heating wire (2).

3. Heating tube according to claim 1, characterized in that the first conducting terminal (4) is a first collar which is radially fitted over the respective protrusion (3) along the ceramic tube (1), and the second conducting terminal (5) is a second collar which is radially fitted over the respective protrusion (3) along the ceramic tube (1).

4. Heating tube according to claim 3, characterized in that the protrusion (3) is an annular protrusion, the protrusion (3) being formed integrally with the ceramic tube (1).

5. The heating tube according to claim 3, characterized in that the protrusions (3) are formed by at least two protrusions which are arranged at equal intervals in the radial direction of the ceramic tube (1), the protrusions are integrally formed with the ceramic tube (1), the first conductive terminal (4) and a corresponding one of the protrusions clamp the first end of the heating wire (2), and the second conductive terminal (5) and a corresponding one of the protrusions clamp the second end of the heating wire (2).

6. The heating tube of claim 1, wherein the first conductive terminal (4) is welded to a first end of the heating wire (2), and the second conductive terminal (5) is welded to a second end of the heating wire (2).

7. The heating tube according to claim 1, characterized in that an insulating shell (6) is further arranged between the protrusions (3) at the two ends, and the heating wire (2) is wrapped by the insulating shell (6).

8. Heating tube according to claim 7, characterized in that the insulating housing (6) is provided with a fixing bracket (10).

9. The heating tube according to claim 8, characterized in that the insulating housing (6) comprises an upper semicircular housing (7) and a lower semicircular housing (8), the upper semicircular housing (7) and the lower semicircular housing (8) are provided with support legs (9), the support legs (9) of the upper semicircular housing (7) and the lower semicircular housing (8) are fixedly connected to each other, so that the upper semicircular housing (7) and the lower semicircular housing (8) are folded into the cylindrical insulating housing (6), and the support legs (9) of the upper semicircular housing (7) and the lower semicircular housing (8) jointly form the fixing support (10).

10. Heating tube according to claim 8, characterized in that the insulating housing (6) comprises an upper semicircular housing (7) and a lower semicircular housing (8), and the upper semicircular housing (7) and the lower semicircular housing (8) are locked by a third clamp, so that the upper semicircular housing (7) and the lower semicircular housing (8) are folded into the cylindrical insulating housing (6).