CN201467490U - Electrical heated tube structure - Google Patents
Electrical heated tube structure Download PDFInfo
- Publication number
- CN201467490U CN201467490U CN2009201327424U CN200920132742U CN201467490U CN 201467490 U CN201467490 U CN 201467490U CN 2009201327424 U CN2009201327424 U CN 2009201327424U CN 200920132742 U CN200920132742 U CN 200920132742U CN 201467490 U CN201467490 U CN 201467490U
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- electrothermal tube
- screw rod
- fixed
- fixed cover
- pad
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Abstract
The utility model discloses an electrical heated tube structure mainly comprising an electrical heated tube and two electrodes, wherein the electrical heated tube serves as a resistance to produce thermal energy, and two electrodes are respectively connected with two ends of the electrical heated tube and used for being connected with a power supply; the electrical heated tube is a ceramic hollow tube body and comprises a film conducting layer and an insulating layer, wherein the film conducting layer is coated on the outer surface of the tube body, and the insulating layer is coated on the film conducting layer. The electrode comprises a screw, a first fixed sleeve, a second fixed sleeve, a movable sleeve, a fixed terminal and a plurality of thread locking assemblies. Two ends of the electrical heated tube are respectively connected with a first metal fixed sleeve and a screw, wherein the first metal fixed sleeve serves as the bridging between the screw and the film conducting layer so as to improve the fitness degree between the first fixed sleeve and the film conducting layer to prevent power supply consumption due to bad contact. Meanwhile, the utility model can provide freely rotating electrodes capable of being connected with the power supply, so that the electrical heated tube structure of the utility model also has the efficacy of simple assembling.
Description
Technical field
The utility model relates to a kind of electrothermal tube, more particularly, relates to a kind of electrothermal tube structure that uses carbon film resistance.
Background technology
General ceramic electrical heating tube, it mainly is provided with resistance wire in ceramic body, after the resistance wire energized, make the earthenware heating by resistance, this resistance wire ceramic electrical heating tube has following feature: the restriction that (1) resistance wire has temperature can produce fracture when temperature is too high.(2) resistance wire is exposed to easy oxidation in the air and shortens the life-span.(3) because the heating that resistance wire can't produce uniform outer surface so electrothermal efficiency is low, causes energy resource consumption.
Therefore, in order to overcome the shortcoming of resistance wire heating, various metal thin film resistor as heater so develop, that this metal thin film resistor has is high temperature resistant, be difficult for oxidation and the high advantage of the heat efficiency.Though metal thin film resistor is better than resistance wire,, it is limited by the instrument of vacuum splashing and plating when making, be difficult for making on the special shape base material, and therefore, metal thin film resistor is arranged at dull and stereotyped going up as heater usually.
For improving the above-mentioned known resistance wire and the shortcoming of metal thin film resistor, the utility model mainly designs a kind of high efficiency heater that carbon film resistance is set on ceramic body base material.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of electrothermal tube structure, its mainly by one be used for as resistance produce the electrothermal tube of heat energy and two respectively winding be used to connect the electrode of power supply at described electrothermal tube two ends, described electrothermal tube is a ceramic hollow tube, it includes a film conductive layer that is coated on outer surface of tube body, and one deck is coated on the insulating barrier on the film conductive layer, described electrode package contains a screw rod, one first fixed cover, one second fixed cover, one movable sleeve, one fixed terminal, and most solid assemblies of spiral shell, wherein said screw rod is a metal material, it is socketed in the hollow tube of electrothermal tube, be used to connect electrothermal tube, described first fixed cover is a metal material, it is socketed in outside the film conductive layer on the electrothermal tube end, be used for bridge formation as screw rod and film conductive layer, power path is provided, described second fixed cover is an insulating material, it is socketed in outside first fixed cover, be used to provide insulating effect, described fixed terminal is an insulating material, the solid end of its spiral shell at screw rod, be used to provide insulating effect, described movable sleeve is an insulating material, it is configured between second fixed cover and the fixed terminal and can freely rotates outside screw rod, offer breach on the tube wall of movable sleeve, be used to provide a power line terminal to pass and be fixed on screw rod, make power supply fixedly be set to film conductive layer through first and form the structure of a path by screw rod.
A kind of electrothermal tube structure of above-mentioned the utility model, the solid assembly of wherein said spiral shell also includes one first pad, second pad, the 3rd pad, the 4th pad, first nut, second nut and the 3rd nut, wherein said first pad and first nut are used for packing first fixed cover makes it contact with fixed lever end on the screw rod, be used for turn-on power, described second pad and second nut are used for packing second fixed cover closely is fixed on outside first fixed cover it, described the 3rd pad and the 4th pad come the solid power supply terminal of spiral shell by one the 3rd nut, are used to be communicated with power supply.
A kind of electrothermal tube structure of above-mentioned the utility model, wherein said fixed terminal has one than small round bar, the round bar center is provided with a screw, be used to provide the thread of the solid screw rod of spiral shell, described screw rod one end is a thread, and the other end is a circular fixed lever, and fixed lever is provided with a scrobicular ring, described film conductive layer is the conductive layer that wherein a kind of and the water-base cement or the water paint of graphite, carbon element, CNT (carbon nano-tube) or micron carbon pipe constituted, and described insulating barrier is the wherein a kind of of insulating cement or insulating varnish.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the perspective view of the utility model electrothermal tube structure;
Fig. 2 is the electrothermal tube cutaway view of electrothermal tube structure shown in Figure 1;
Fig. 3 is the decomposing schematic representation of electrothermal tube structure shown in Figure 1;
Fig. 4 is the vertical view of electrothermal tube structure shown in Figure 1;
Fig. 5 is the cutaway view of Fig. 4 in the A-A direction;
Fig. 6 is the perspective view that electrothermal tube is connected with electrode in the electrothermal tube structure shown in Figure 1.
Fig. 7 is the location schematic diagram of electrode conduction electrothermal tube in the electrothermal tube structure shown in Figure 1;
Fig. 8 is the electrode decomposing schematic representation of the electrothermal tube structure shown in 1.
Embodiment
Relevant technology contents of the present utility model, feature and effect, diagram and embodiment are described further the utility model below please cooperating, and can clearly present.
A kind of electrothermal tube structure of the present utility model at the two ends of electrothermal tube respectively winding one metal, first fixed cover and a screw rod are arranged, by the bridge formation of described metal first fixed cover as screw rod and film conductive layer, increasing the applying degree of first fixed cover and film conductive layer, and then prevent loose contact and produce electrical source consumption.The electrode of the power supply that freely is rotationally connected can be provided simultaneously, and therefore a kind of electrothermal tube structure of the present utility model also provides easily assembled effect.
At first shown in Fig. 1,2,3,4 and 5, wherein Fig. 1 illustrates the perspective view of a kind of electrothermal tube structure of the utility model, Fig. 2 is the electrothermal tube cutaway view of electrothermal tube structure shown in Figure 1, Fig. 3 is the decomposing schematic representation of electrothermal tube structure shown in Figure 1, wherein Fig. 4 is the vertical view of electrothermal tube structure shown in Figure 1, and Fig. 5 is the cutaway view of Fig. 4 in the A-A direction; As shown in Figure 1, a kind of electrothermal tube structure of the utility model, mainly by one be used for as resistance produce the electrothermal tube 1 of heat energy and two respectively winding constituted in order to the electrode 2 that connects power supply at described electrothermal tube 1 two ends.As shown in Figure 2, wherein electrothermal tube 1 is a ceramic hollow tube 11, it includes a film conductive layer 12 that is coated on body 11 outer surfaces, and one deck is coated on the insulating barrier 13 on the film conductive layer 12, wherein said film conductive layer 12 is the conductive layer that wherein a kind of and the water-base cement or the water paint of graphite, carbon element, CNT (carbon nano-tube) or micron carbon pipe constituted, and described insulating barrier 13 is the wherein a kind of of insulating cement or insulating varnish.As shown in Figure 3, a kind of electrothermal tube structure of the present utility model, wherein electrode 2 includes the solid assembly 3 of a screw rod 21, one first fixed cover 22, one second fixed cover 23, a movable sleeve 24, a fixed terminal 25 and a plurality of spiral shell.
The connecting structure of a kind of electrothermal tube structure of the present utility model is shown in 6 and 7, and wherein Fig. 6 illustrates a kind of electrothermal tube of electrothermal tube structure and the perspective view of electrode winding, and Fig. 7 illustrates a kind of location schematic diagram of electrode conduction electrothermal tube of electrothermal tube structure.
As shown in Figure 6, described screw rod 21 is a metal material, be used to be socketed in the hollow tube 11 of electrothermal tube 1, the one end is thread 21a, the other end is a circular fixed lever 21b, fixed lever 21b is provided with a scrobicular ring 21c. as shown in Figure 7, described first fixed cover 22 is a metal material, it is socketed in outside the film conductive layer 12 on electrothermal tube 1 end, be used for as the bridge formation of screw rod 21 with film conductive layer 12, power path is provided. as shown in Figure 6, described second fixed cover 23 is an insulating material, it is socketed in outside first fixed cover 21, being used to provide insulating effect. described fixed terminal 25 is insulating material, its spiral shell is solid on the terminal thread 21a of screw rod 21, be used to provide insulating effect, described movable sleeve 24 is an insulating material, it is configured between second fixed cover 23 and the fixed terminal 25 and can freely rotates outside screw rod 21, offer breach 24a (consulting Fig. 3) on the tube wall of movable sleeve 24, be used to provide a power supply terminal 24b to pass and be fixed on screw rod 21, make power supply form the structure of a path to film conductive layer 12 through first fixed cover 22 by screw rod 21.
Shown in Fig. 7 and 8, wherein Fig. 8 illustrates a kind of electrode decomposing schematic representation of electrothermal tube structure, as shown in Figure 8, electrode 2 includes a screw rod 21, one first fixed cover 22, one second fixed cover 23, one movable sleeve 24, one fixed terminal 25, and the solid assembly 3 of a plurality of spiral shells, the solid assembly 3 of described spiral shell more includes one first pad 31, second pad 32, the 3rd pad 33, the 4th pad 34, first nut 35, second nut 36 and the 3rd nut 37, as shown in Figure 7, wherein said first pad 31 and first nut 35 make it contact with fixed lever 21b end on the screw rod 21 in order to packing first fixed cover 22, be used for turn-on power, again as shown in Figure 6, described second pad 32 and second nut 36 closely are fixed on outside first fixed cover 23 it in order to packing second fixed cover 24, described the 3rd pad 33 and the 4th pad 34 come the solid power supply terminal 24b of spiral shell by one the 3rd nut 37, are used to be communicated with power supply as shown in Figure 7.
In addition as shown in Figure 8, wherein an end of screw rod 21 is thread 21a, the other end is a circular fixed lever 21b, fixed lever 21b is provided with a scrobicular ring 21c, wherein fixed terminal 25 has one than small round bar, and described round bar center is provided with a screw 38, can be screwed on the thread 21a of screw rod 21, be used for restraint cover 24 and come off, can provide movable sleeve 24 freely to rotate simultaneously.
Innovative point of the present utility model mainly at the two ends of electrothermal tube respectively winding one metal, first fixed cover and a screw rod are arranged, by the bridge formation of described metal first fixed cover as screw rod and film conductive layer, increasing the applying degree of first fixed cover and film conductive layer, and then prevent loose contact and produce electrical source consumption.The electrode of the power supply that freely is rotationally connected can be provided simultaneously, and therefore a kind of electrothermal tube structure of the present utility model also provides easily assembled effect.
A kind of electrothermal tube structure of above-mentioned the utility model only is a preferred embodiment, can not limit the practical range of technical solutions of the utility model with this; Therefore, the simple equivalence that those skilled in the art make the specification or the diagram of aforementioned application patent changes and revises, and should still belong to the protection range of the utility model patent.
Claims (6)
1. electrothermal tube structure, mainly comprise one be used for as resistance produce the electrothermal tube of heat energy and two respectively winding be used to connect the electrode of power supply at described electrothermal tube two ends, it is characterized in that, described electrothermal tube is a ceramic hollow tube, it includes a film conductive layer that is coated on outer surface of tube body, and one deck is coated on the insulating barrier on the film conductive layer, described electrode package contains a screw rod, one first fixed cover, one second fixed cover, one movable sleeve, one fixed terminal, and most solid assemblies of spiral shell, wherein said screw rod is a metal material, it is socketed in the hollow tube of electrothermal tube, with be connected electrothermal tube, described first fixed cover is a metal material, it is socketed in outside the film conductive layer on the electrothermal tube end, be used for bridge formation as screw rod and film conductive layer, power path is provided, described second fixed cover is an insulating material, it is socketed in outside first fixed cover, be used to provide insulating effect, described fixed terminal is an insulating material, the solid end of its spiral shell at screw rod, be used to provide insulating effect, described movable sleeve is an insulating material, it is configured between second fixed cover and the fixed terminal and can freely rotates outside screw rod, offer breach on the tube wall of movable sleeve, be used to provide a power line terminal to pass and be fixed on screw rod, make power supply fixedly be set to film conductive layer through first and form the structure of a path by screw rod.
2. electrothermal tube structure according to claim 1, it is characterized in that, the solid assembly of described spiral shell also includes one first pad, second pad, the 3rd pad, the 4th pad, first nut, second nut and the 3rd nut, wherein said first pad and first nut are used for packing first fixed cover makes it contact with fixed lever end on the screw rod, be used for turn-on power, described second pad and second nut closely are fixed on outside first fixed cover it in order to packing second fixed cover, described the 3rd pad and the 4th pad come the solid power supply terminal of spiral shell by one the 3rd nut, are used to be communicated with power supply.
3. kind of electrothermal tube structure according to claim 1 is characterized in that described fixed terminal has one than small round bar, and described round bar center is provided with a screw, in order to the thread of the solid screw rod of spiral shell to be provided.
4. electrothermal tube structure according to claim 1 is characterized in that, an end of described screw rod is a thread, and the other end is a circular fixed lever, and fixed lever is provided with a scrobicular ring.
5. electrothermal tube structure according to claim 1 is characterized in that, described film conductive layer is one of them of graphite, carbon element, CNT (carbon nano-tube) or micron carbon pipe and the conductive layer that water-base cement or water paint are constituted.
6. electrothermal tube structure according to claim 1 is characterized in that, described insulating barrier is insulating cement or insulating varnish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201327424U CN201467490U (en) | 2009-06-12 | 2009-06-12 | Electrical heated tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201327424U CN201467490U (en) | 2009-06-12 | 2009-06-12 | Electrical heated tube structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201467490U true CN201467490U (en) | 2010-05-12 |
Family
ID=42394835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201327424U Expired - Fee Related CN201467490U (en) | 2009-06-12 | 2009-06-12 | Electrical heated tube structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201467490U (en) |
-
2009
- 2009-06-12 CN CN2009201327424U patent/CN201467490U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130612 |