CN208835289U - A kind of stainless steel connecting column terminal structure for superhigh temperature - Google Patents
A kind of stainless steel connecting column terminal structure for superhigh temperature Download PDFInfo
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- CN208835289U CN208835289U CN201821409747.2U CN201821409747U CN208835289U CN 208835289 U CN208835289 U CN 208835289U CN 201821409747 U CN201821409747 U CN 201821409747U CN 208835289 U CN208835289 U CN 208835289U
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- stainless steel
- connecting column
- superhigh temperature
- terminal structure
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Abstract
A kind of stainless steel connecting column terminal structure for superhigh temperature described in the utility model, including ceramic main body, ceramic main body includes at least two parallel installation through-holes, connector body is arranged in installation through-hole, the top of connector body is equipped with interlayer, lower part, which is equipped with, runs through cavity, connection sheet is equipped in interlayer, elastic slice is set in cavity, interlayer by upper piece and bottom sheet form, upper piece, connection sheet and bottom sheet are equipped with perforative rivet and two terminal fastening screws, elastic slice is fixed below bottom sheet by rivet, two terminal fastening screws are set to rivet two sides, its lower end is connected to elastic slice upper surface, ceramic main body corresponding terminal fastening screw is equipped with fixation hole, its fastening structure, and there is superior corrosion resistance and still have strong mechanical resistance in high temperature.
Description
Technical field
The utility model belongs to binding post technical field, specifically, being related to a kind of stainless steel connection for superhigh temperature
Styletable minor structure.
Background technique
In the electrical terminal applications of high temperature, even if fire occurs, some regions also have to keep the integrality of connection.Example
Such as, this is related to the company of the connection terminal for the emergency lighting in highway and railway tunnel, underground haulage and emergency circuit
The supply for connecing and divulging information.
The one of problem encountered is during fire occurs, to be currently used as electricity in terminal connections column
The material of conductor cannot bear the temperature reached when fire, and fire is usually for a long time more than 500 DEG C.With satisfactory electrical conductivity
In common material, there are red brass alloys, such as brass, the bronze and pure red metal with phosphorus, but these metals become at these tem-peratures
There must be ductility, and the fastening of conductor can loosen, this may result in disconnection.Other alloys such as beryllium-bronze can become fragile.?
In the metal that may be used, steel itself can soon be oxidized and lose its rigidity.
600 to 700 DEG C at a temperature of be able to bear unique existing metal of long duration, while having and brass
Similar electric conductivity is pure nickel, at high cost.Cheap some and more typical chromium and nickel be based on stainless steel, when resistance this
When a little temperature, conductive low-down disadvantage is played, this causes them to pass through Joule effect heating.But it is logical in electric current
During crossing, the temperature of terminal connections column is limited in 45 DEG C, especially standard EN60947-7-1 and EN60947-7-2 by standard.
If using common stainless steel, such as Aisi 304,316,303,301 and its equivalent, it is desirable that in terminal box
It is middle using strong channel, to reduce their resistance and therefore limit by Joule effect their heating.This limitation makes
Their manufacture become difficult or can not, and their price becomes to make us hanging back.
Aluminium has good electric conductor, but because its low melting point causes it that cannot use.
Utility model content
The shortcomings that the utility model is overcome in the prior art provides a kind of stainless steel connection styletable for superhigh temperature
Minor structure, the temperature encountered in tolerable environment temperature and fire, existing standard requirements below pass through joule at 45 DEG C
Effect will not overheat, and under these conditions, keep necessary mechanical resistance to ensure the fastening of conductor and therefore keep electric
The continuity on road.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of stainless steel connecting column terminal structure for superhigh temperature, including ceramic main body, the ceramic main body include extremely
Connector body is arranged in few two parallel installation through-holes, the installation through-hole, and the top of the connector body is equipped with interlayer,
Lower part, which is equipped with, runs through cavity, is equipped with connection sheet in the interlayer, described to be arranged elastic slice in cavity, the interlayer by upper piece and
Bottom sheet composition, it is described upper piece, connection sheet and bottom sheet are equipped with perforative rivet and two terminal fastening screws, the elastic slice pass through riveting
Nail is fixed below the bottom sheet, and two terminal fastening screws are set to the rivet two sides, and lower end is connected to described
Elastic slice upper surface, the ceramic main body correspond to the terminal fastening screw equipped with fixation hole.
Further, the center of the ceramic main body is equipped with screw hole, and the screw hole is equipped with mounting screw.
Further, the connector body is bent by stainless steel substrates, formed it is described run through cavity, it is described upper piece and under
Piece is respectively that the both ends of stainless steel substrates are bent, it is described upper piece be located above the bottom sheet, end is opposite and is arranged, above and below
Between form the interlayer.
Further, the connection sheet is the connection sheet of red metal or nickel alloy.
Further, the elastic slice is the elastic slice of 310 stainless steels, nickel alloy, nickel plating red metal or silver-plated red metal material.
Further, the rivet is the rivet of red metal or stainless steel or nickel alloy material.
Further, the connection plate plane extends protrusion.
Further, the cavity bottom is equipped with resistance muscle.
Compared with prior art, the utility model has the beneficial effects that
A kind of stainless steel connecting column terminal structure for superhigh temperature described in the utility model, including ceramic main body, ceramics
Main body includes at least two parallel installation through-holes, and connector body is arranged in installation through-hole, and the top of connector body is equipped with folder
Layer, lower part, which is equipped with, runs through cavity, and connection sheet is equipped in interlayer, is arranged elastic slice in cavity, interlayer by upper piece and bottom sheet form,
Upper piece, connection sheet and bottom sheet be equipped with perforative rivet and two terminal fastening screws, elastic slice is fixed on bottom sheet lower section by rivet,
Two terminal fastening screws are set to rivet two sides, and lower end is connected to elastic slice upper surface, and ceramic main body corresponding terminal fastens spiral shell
Nail is equipped with fixation hole, fastening structure, and has superior corrosion resistance and still have strong mechanical resistance in high temperature.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and is used to explain together with the embodiments of the present invention
The utility model does not constitute limitations of the present invention, in the accompanying drawings:
Fig. 1 is a kind of stainless steel connecting column terminal structure schematic diagram for superhigh temperature of the utility model；
Fig. 2 is the exploded view of the utility model；
Fig. 3 is the cross-sectional view of the utility model；
Fig. 4 is sectional view along A-A in Fig. 3；
Fig. 5 is B-B direction cross-sectional view in Fig. 3.
In figure, 1 --- ceramic main body；2 --- screw hole；
3 --- mounting screw；4 --- installation through-hole；
5 --- connector body；6 --- run through cavity；
7 --- connection sheet；8 --- elastic slice；
9 --- upper piece；10 --- bottom sheet；
11 --- rivet；12 --- terminal fastening screw；
13 --- fixation hole；14 --- electric wire；
15 --- resistance muscle；16 --- protrusion.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Fig. 1 to 5, a kind of stainless steel connecting column terminal structure for superhigh temperature described in the utility model, including
Ceramic main body 1, heatproof are fixed the position of electric power current-carrying part at 1000 DEG C or more；Guarantee the portion that electric current passes through
Electrical isolation between part, and the electrical isolation between these components and the supporting element of attached terminal binding post.Ceramic main body 1
Center is equipped with screw hole 2, and screw hole 2 is equipped with mounting screw 3, is fixed on supporting element by 3 ceramic main body 1 of mounting screw
On, such as metal shell, cabinet, mounting plate.
Ceramic main body 1 includes two parallel installation through-holes 4, and connector body 5, connector body 5 is arranged in installation through-hole 4
Top be equipped with interlayer, lower part, which is equipped with, runs through cavity 6, and connection sheet 7 is equipped in interlayer, elastic slice 8, interlayer are arranged in cavity 6
By upper piece 9 and bottom sheet 10 form, upper piece 9, connection sheet 7 and bottom sheet 10 be equipped with perforative rivet 11 and two terminal fastening screws
12, elastic slice 8 is fixed on 10 lower section of bottom sheet by rivet 11, and two terminal fastening screws 12 are set to 11 two sides of rivet, lower end
It is connected to 8 upper surface of elastic slice, 1 corresponding terminal fastening screw 12 of ceramic main body is equipped with fixation hole 13, the two terminal fastening screws
12 ensure to clamp the electric wire 14 being located in terminal connections column, upper piece 9, the metal sandwich of 10 these three thickness of connection sheet 7 and bottom sheet
Mechanical cohesion it is same.
Connector body 5 is bent by stainless steel substrates, such as 304 stainless steels, 316 stainless steels, and 303 stainless steels are stainless
Steel has good mechanical strength and a low resistance at high temperature, is formed and runs through cavity 6, upper piece 9 and bottom sheet 10 be respectively stainless steel
The both ends of piece are bent, upper piece 9 be located at the top of bottom sheet 10, end is opposite and is arranged, and forms interlayer in-between, the component
A part by cutting metal plate produces the main body in an economical manner, it is ensured that in the mechanicalness of suitable cable when tightened
Energy.The excellent thermal insulation property of stainless steel ensures to keep constant during fire.The inside of the main body has small resistance muscle 15, if
Meter is for enhancing the resistance pulled to electric wire 14 when electric wire 14 is compressed by terminal fastening screw 12.
Wherein, connection sheet 7 is the connection sheet 7 of red metal or nickel alloy, and width is equal to the size of terminal, and its thickness
Calculating with passing through for electric current, without generating excessive heating due to Joule effect, simultaneously as connection sheet 7 is opened
There is screw hole to reduce the area of connection sheet 7,7 plane of connection sheet extends protrusion 16 and increases its area, to avoid because of Joule effect
Caused part heating.
Elastic slice 8 is 310 stainless steels, nickel alloy, nickel plating red metal or silver-plated red metal material to increase its temperature tolerance, passes through terminal
The elastic slice 8 is pressed on electric wire 14 by fastening screw 12, it assures that the distribution of load, and also prevent terminal fastening screw 12
End cuts off electric wire 14, and when tightening terminal fastening screw 12, which is gradually curved.
Rivet 11 is red metal or stainless steel or the rivet of nickel alloy material 11, and rivet 11 ensures that stainless steel elastic slice 8 keeps it
Position.In addition, it additionally aids the position of pieces 9,10 these three sheet metals of connection sheet 7 and bottom sheet.
The critical-temperature of the metal referred in this patent:
Brass is melted at 940 DEG C, but mechanical resistance declines from 185 DEG C；
Red metal is melted at 1084 DEG C, but by ductility, has brilliant inoxidizability at high temperature；
1455 DEG C of nickel, excellent inoxidizability is up to 900 DEG C；
Stainless steel 301,303,304,316: 1580 DEG C of fusion temperature, in air at up to 760 DEG C, have superior
Corrosion resistance and temperature in have strong mechanical resistance.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail referring to embodiment, for those skilled in the art, according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes, but within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (8)
1. a kind of stainless steel connecting column terminal structure for superhigh temperature, which is characterized in that including ceramic main body, the ceramics are main
Body includes at least two parallel installation through-holes, and connector body, the top of the connector body is arranged in the installation through-hole
Equipped with interlayer, lower part, which is equipped with, runs through cavity, and connection sheet is equipped in the interlayer, described that elastic slice, the folder are arranged in cavity
Layer by upper piece and bottom sheet form, it is described upper piece, connection sheet and bottom sheet be equipped with perforative rivet and two terminal fastening screws, it is described
Elastic slice is fixed below the bottom sheet by rivet, and two terminal fastening screws are set to the rivet two sides, lower end
It is connected to the elastic slice upper surface, the ceramic main body corresponds to the terminal fastening screw equipped with fixation hole.
2. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the pottery
The center of porcelain main body is equipped with screw hole, and the screw hole is equipped with mounting screw.
3. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the company
Device main body is connect to be bent by stainless steel substrates, formed it is described run through cavity, it is described upper piece and bottom sheet be respectively the two of stainless steel substrates
End is bent, it is described upper piece be located above the bottom sheet, end is opposite and is arranged, and forms the interlayer in-between.
4. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the company
Contact pin is the connection sheet of red metal or nickel alloy.
5. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the bullet
Piece is the elastic slice of 310 stainless steels, nickel alloy, nickel plating red metal or silver-plated red metal material.
6. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the riveting
Nail is the rivet of red metal or stainless steel or nickel alloy material.
7. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the company
Contact pin plane extends protrusion.
8. a kind of stainless steel connecting column terminal structure for superhigh temperature according to claim 1, which is characterized in that the sky
Bottom of chamber portion is equipped with resistance muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409747.2U CN208835289U (en) | 2018-08-29 | 2018-08-29 | A kind of stainless steel connecting column terminal structure for superhigh temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409747.2U CN208835289U (en) | 2018-08-29 | 2018-08-29 | A kind of stainless steel connecting column terminal structure for superhigh temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835289U true CN208835289U (en) | 2019-05-07 |
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ID=66311195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821409747.2U Active CN208835289U (en) | 2018-08-29 | 2018-08-29 | A kind of stainless steel connecting column terminal structure for superhigh temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111490364A (en) * | 2020-03-13 | 2020-08-04 | 佛山市高明毅力温控器有限公司 | Insulation piercing terminal with contact pressure keeping device |
-
2018
- 2018-08-29 CN CN201821409747.2U patent/CN208835289U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111490364A (en) * | 2020-03-13 | 2020-08-04 | 佛山市高明毅力温控器有限公司 | Insulation piercing terminal with contact pressure keeping device |
| CN111490364B (en) * | 2020-03-13 | 2021-04-23 | 佛山市高明毅力温控器有限公司 | Insulation piercing terminal with contact pressure keeping device |
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