CN201528440U

CN201528440U - Quasi-closed-type heating tube

Info

Publication number: CN201528440U
Application number: CN2009202170834U
Authority: CN
Inventors: 陈政贤; 许国勇; 李高峰
Original assignee: 潘海丽
Priority date: 2009-09-28
Filing date: 2009-09-28
Publication date: 2010-07-14
Anticipated expiration: 2019-09-28

Abstract

The utility model relates to the field of heat-generating pipe technology, specifically to a quasi-closed-type heating tube. The heating tube includes a quartz glass tube, electric wires, a ceramic casing, preset conducting wires, a first crimping pipe and a second crimping pipe, wherein the first crimping pipe and the second crimping pipe are respectively provided with a first external dilating part and a second external dilating part at their one end part; the first crimping pipe is sleeved and pressedly fixed on the insulating casing of one end part of the preset conducting wire, and the first crimping pipe extends in the through-hole of the ceramic casing, and its first external dilating part is abutted to the outer end part of the through-hole; the second crimping pipe is sleeved on the bareness part of the preset conducting wire, its second external dilating part is abutted to the inner end part of the through-hole, and the end of the electric-heat wire is inserted in the second crimping pipe for electrically connecting with the preset conducting wire, and the preset conducting wire and the electric-heat wire are stitched and fixed through the second crimping pipe. The utility model has simple structure, convenient and quick assembly, low cost, and the like advantages; and can ensure enough air tightness and long-term safe use of heat pipes.

Description

A kind of accurate closed type heat-generating pipe

Technical field:

The utility model relates to the heat-generating pipe technical field, refers in particular to a kind of accurate closed type heat-generating pipe.

Background technology:

In the equipment such as existing heating system, baking oven, generally use the energized heat-generating pipe to be used as thermal source, be aided with equipment heat supplies such as hair-dryer simultaneously.Heat-generating pipe generally comprises-the ceramic lid at quartz glass tube, the heating wire that is positioned at quartz glass tube, quartz glass tube two ends and connect terminal.Because equipment blowing generation air flows such as hair-dryer are arranged, then require the two ends of the heat-generating pipe of corresponding use to have good air-tightness, otherwise outside cold air enters in the heat-generating pipe easily, make the heating wire temperature reduction at heat-generating pipe two ends and form the temperature difference with the heating wire that is positioned at the inboard, the easy like this heating wire that causes ruptures, thereby influences its use.Existing this class heat-generating pipe designs complexity in manufacturing and designing, cost is high, and the processing assembling procedure is loaded down with trivial details, and production efficiency is lower, therefore haves much room for improvement.

The utility model content:

The purpose of this utility model is to overcome the above-mentioned weak point of existing product, and a kind of easy to assembly, accurate closed type heat-generating pipe that air-tightness is good is provided.

The utility model realizes that the technical scheme that its purpose adopts is: closed type heat-generating pipe surely, the default lead that described heat-generating pipe comprises quartz glass tube, is positioned at the heating wire of quartz glass tube, is installed in the ceramic lid at quartz glass tube two ends and passes described ceramic lid and described heating wire connects, it also comprises first aluminium hydraulic pressed connecting pipe and second aluminium hydraulic pressed connecting pipe, and described first aluminium hydraulic pressed connecting pipe and second aluminium hydraulic pressed connecting pipe are provided with first expanding part and second expanding part respectively in the one end; Sheathed and the pressing and fixing of described first aluminium hydraulic pressed connecting pipe is on the insulation crust of described default lead one end, and described first aluminium hydraulic pressed connecting pipe stretches in the through hole of described ceramic lid, and its first expanding part is connected to the outer end of described through hole; Described second aluminium hydraulic pressed connecting pipe is sheathed on the exposed portion of described default lead, its second expanding part also is connected to the inner end of described through hole, and the end of described heating wire is inserted in described second aluminium hydraulic pressed connecting pipe and connects with described default lead, and described default lead, heating wire are by the described second aluminium hydraulic pressed connecting pipe pressing and fixing.

A kind of preferable scheme is: the through hole of described ceramic lid, first expanding part and second expanding part are all rounded, and the external diameter of first expanding part and second expanding part is greater than the internal diameter of described through hole.

Outer wall is pasted with high temperature resistant adhesive plaster respectively in the two ends of described quartz glass tube.

The utility model can adopt the mode of pressing and fixing that each parts of heat-generating pipe are assembled, thereby simplify the assembling process of heat-generating pipe greatly after adopting said structure; And first expanding part, second expanding part and the ceramic lid through hole two ends of passing through first, second aluminium hydraulic pressed connecting pipe form the accurate hermetically-sealed construction of secondary, thereby can guarantee that the interior air flows of heat-generating pipe can not have influence on the variations in temperature of heating wire, guarantee that the heating wire temperature is even, therefore help ensureing the heat-generating pipe safe handling and prolong its useful life.

Description of drawings:

Fig. 1 is the decomposition texture schematic diagram of the utility model heat-generating pipe one end;

Fig. 2 is the cutaway view of the utility model heat-generating pipe one end.

Embodiment:

Below in conjunction with specific embodiments and the drawings the utility model is further specified.

As shown in Figure 1, 2, the default lead 4 that accurate closed type heat-generating pipe described in the present embodiment comprises quartz glass tube 1, is positioned at the heating wire 2 of quartz glass tube 1, is installed in the ceramic lid 3 at quartz glass tube 1 two ends and passes described ceramic lid 3 and described heating wire 2 connects, described quartz glass tube 1 cylindrical body, pottery lid 3 offers cylindrical hole 30 and passes for default lead 4, default lead 4 is coated with insulation crust 41, and the one end is provided with exposed portion 42; Improvements of the present utility model are: it also comprises first aluminium hydraulic pressed connecting pipe 51 and second aluminium hydraulic pressed connecting pipe 52, adopt resistant to elevated temperatures metal material to make, and described first aluminium hydraulic pressed connecting pipe 51 and second aluminium hydraulic pressed connecting pipe 52 are provided with first expanding part 510 and second expanding part 520 respectively in the one end; All cylindrical on described first aluminium hydraulic pressed connecting pipe 51 and second aluminium hydraulic pressed connecting pipe, 52 bodys (can be out of shape after the pressing certainly), wherein the body external diameter of first aluminium hydraulic pressed connecting pipe 51 is less than the internal diameter of described through hole 30, and the external diameter of its first expanding part 510 is greater than the internal diameter of described through hole 30; Described second expanding part 520 is also rounded, and its external diameter is also greater than the internal diameter of described through hole 30.

Installation site between each parts of the utility model heat-generating pipe relation is as follows: the sheathed and pressing and fixing of described first aluminium hydraulic pressed connecting pipe 51 is on the insulation crust 41 of described default lead 4 one ends, and described first aluminium hydraulic pressed connecting pipe 51 stretches in the through hole 30 of described ceramic lid 3, and its first expanding part 510 is connected to the outer end of described through hole 30; Described second aluminium hydraulic pressed connecting pipe 52 is sheathed on the exposed portion 42 of described default lead 4, its second expanding part 520 also is connected to the inner end of described through hole 30, and the end of described heating wire 2 is inserted in described second aluminium hydraulic pressed connecting pipe 52 and connects with described default lead 4, and described default lead 4, heating wire 2 are by described second aluminium hydraulic pressed connecting pipe, 52 pressing and fixing.

During assembling the utility model heat-generating pipe, with an end is example: earlier first aluminium hydraulic pressed connecting pipe 51 is set on the insulation crust 41 of described default lead 4 one ends, pass through crimping tool or equipment then with the two pressing and fixing, because the causes such as elasticity of insulation crust 41 seal interior formation of the pipe of first aluminium hydraulic pressed connecting pipe 51; Then that pressing is good default lead 4 penetrates its through hole 30 from the outside of ceramic lid 3, and make first expanding part 510 of first aluminium hydraulic pressed connecting pipe 51 and the outer end butt of ceramic lid 3, be enclosed within second aluminium hydraulic pressed connecting pipe 52 in the exposed portion 42 of default lead 4 from second expanding part, 520 those ends again, also make simultaneously the inner end butt of second expanding part 520 and through hole 30, end with heating wire 2 inserts in second aluminium hydraulic pressed connecting pipe 52 then, make it with second aluminium hydraulic pressed connecting pipe 52 in exposed portion 42 connect, and by crimping tool or equipment the two pressing and fixing is got final product once more; Said structure forms once accurate sealing by the butt between the outer end of first expanding part 510 and ceramic lid 3, basically can avoid cool exterior air to enter in the through hole 30 of ceramic lid 3, again by the inner end butt of second expanding part 520 with through hole 30, form again accurate sealing, prevent that the air in the through hole 30 from entering in the quartz glass tube 1.During the assembling other end, heating wire 2 suitably can be pulled out fixing (because of heating wire 2 generally is spring-like, having certain elasticity) in quartz glass tube 1, repeat aforesaid operations then and get final product.

In addition; in the present embodiment; be pasted with high temperature resistant adhesive plaster 6 respectively in the two ends of described quartz glass tube 1 outer wall, it also can play good sealing function except forming buffering with the protection quartz glass tube between hard contact the between ceramic lid 3 and the quartz glass tube 1.

In sum, the utlity model has quick, low cost and other advantages simple in structure, easy to assembly, and can guarantee enough air-tightness, the heat-generating pipe long-term safety is used.

Claims

1. closed type heat-generating pipe surely, the default lead (4) that described heat-generating pipe comprises quartz glass tube (1), is positioned at the heating wire (2) of quartz glass tube (1), is installed in the ceramic lid (3) at quartz glass tube (1) two ends and passes described ceramic lid (3) and described heating wire (2) connects, it is characterized in that: it also comprises first aluminium hydraulic pressed connecting pipe (51) and second aluminium hydraulic pressed connecting pipe (52), and described first aluminium hydraulic pressed connecting pipe (51) and second aluminium hydraulic pressed connecting pipe (52) are provided with first expanding part (510) and second expanding part (520) respectively in the one end; Sheathed and the pressing and fixing of described first aluminium hydraulic pressed connecting pipe (51) is on the insulation crust (41) of described default lead (4) one ends, and described first aluminium hydraulic pressed connecting pipe (51) stretches in the through hole (30) of described ceramic lid (3), and its first expanding part (510) is connected to the outer end of described through hole (30); Described second aluminium hydraulic pressed connecting pipe (52) is sheathed on the exposed portion (42) of described default lead (4), its second expanding part (520) also is connected to the inner end of described through hole (30), and the end of described heating wire (2) is inserted in described second aluminium hydraulic pressed connecting pipe (52) and connects with described default lead (4), and described default lead (4), heating wire (2) are by described second aluminium hydraulic pressed connecting pipe (52) pressing and fixing.

2. a kind of accurate closed type heat-generating pipe according to claim 1, it is characterized in that: the through hole (30) of described ceramic lid (3), first expanding part (510) and second expanding part (520) are all rounded, and the external diameter of first expanding part (510) and second expanding part (520) is greater than the internal diameter of described through hole (30).

3. a kind of accurate closed type heat-generating pipe according to claim 1 is characterized in that: the two ends outer wall in described quartz glass tube (1) is pasted with high temperature resistant adhesive plaster (6) respectively.