CN206353865U - Straight type Si-Mo rod - Google Patents
Straight type Si-Mo rod Download PDFInfo
- Publication number
- CN206353865U CN206353865U CN201621254009.6U CN201621254009U CN206353865U CN 206353865 U CN206353865 U CN 206353865U CN 201621254009 U CN201621254009 U CN 201621254009U CN 206353865 U CN206353865 U CN 206353865U
- Authority
- CN
- China
- Prior art keywords
- heating part
- cold end
- heat emission
- rod
- emission hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Resistance Heating (AREA)
Abstract
Straight type Si-Mo rod, heating part and the cold end for being located at heating part two ends including linear structure, heating part and cold end are solid rod structure, two cold end outer surfaces are fixedly connected with restraining position ring block respectively at heating part, interconnected through hole is offered vertically in heating part and two cold ends, heating part outer surface, which is spaced apart, is provided with heat emission hole, and each heat emission hole is disposed radially, and diameter of each heat emission hole close to heating part center is less than the diameter away from heating part center.The utility model is simple in construction, reliable operation, radiating efficiency high, clamping is firm.
Description
Technical field
The utility model belongs to electric heating element technical field, more particularly to a kind of straight type Si-Mo rod.
Background technology
Si-Mo rod is a kind of high temperature resistant being made based on molybdenum disilicide, oxidation resistant resistance heating element.In high temperature
In use, fine and close quartz (SiO2) glass-film of one layer of light of Surface Creation, can protect Si-Mo rod internal layer under oxidizing atmosphere
Do not reoxidize.Under oxidizing atmosphere, maximum operation (service) temperature is 1800 DEG C, and the resistance of Si-Mo rod increases rapidly as temperature is raised
Plus, the resistance value stabilization when temperature-resistant.Existing straight type Si-Mo rod is generally entity club shaped structure, and chuck is used when using by two
Individual cold end is blocked and clamped, then make two cold ends respectively with two electrode conductions, electric current by heating part produce heat and to
Surrounding dissipates；But during use, due to there is no position limiting structure in two cold ends, when chuck and the relative position of cold end generation
During shifting, it is impossible to screens, chuck may be contacted with heating part, cause chuck or heating part to be damaged；Further, since Si-Mo rod position
Entity structure, can produce internal stress at high temperature or when deforming, reduce the radiating of heating part after the intensity of Si-Mo rod, and energization
Efficiency is low.
Utility model content
There is provided a kind of simple in construction, reliable operation, radiating in order to solve weak point of the prior art for the utility model
The firm straight type Si-Mo rod of efficiency high, clamping.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：Straight type Si-Mo rod, including it is linear
The heating part of structure and the cold end for being located at heating part two ends, heating part and cold end are solid rod structure, two cold end outer surfaces
It is fixedly connected respectively at heating part and offers interconnected lead in restraining position ring block, heating part and two cold ends vertically
Hole, heating part outer surface, which is spaced apart, is provided with heat emission hole, and each heat emission hole is disposed radially, and each heat emission hole is close to heating part center
The diameter at place is less than the diameter away from heating part center.
Two cold end outer surfaces are equipped with form friction pattern.
Through hole is at least provided with two.
Using above-mentioned technical proposal, the utility model has the following advantages that：
1st, the utility model when in use, clamps two cold ends, two cold ends are close to heating respectively using two chucks
Portion is respectively equipped with spacing ring, and spacing ring can limit the position of chuck, it is to avoid during use, due to chuck and cold end phase
To displacement so that chuck is contacted with heating part so that work is more stablized.
2nd, interconnected through hole is offered in heating part and cold end, reduces the utility model internal during use
Existing internal stress, so as to enhance bending resistance, improves intensity.
3rd, heating part outer surface, which is spaced apart, is provided with heat emission hole, and the diameter of heat emission hole increases successively from inside to outside so that
Heat inside heating part is easier to come out out of heat emission hole, substantially increases radiating efficiency.
4th, two cold end outer surfaces are equipped with form friction pattern so that grips more consolidate, it is to avoid in the process of placement
In come off.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model；
Fig. 2 is overlooking the structure diagram of the present utility model；
Fig. 3 is the structural representation of heat emission hole in the utility model.
Embodiment
As Figure 1-3, straight type Si-Mo rod of the present utility model, including linear structure heating part 1 and be located at hair
The cold end 2 at the hot two ends of portion 1, heating part 1 and cold end 2 are solid rod structure, and two outer surfaces of cold end 2 are punished close to heating part 1
It is not fixedly connected in restraining position ring block 3, heating part 1 and two cold ends 2 and offers interconnected through hole 4, heating part 1 vertically
Outer surface, which is spaced apart, is provided with heat emission hole 5, and each heat emission hole 5 is disposed radially, and each heat emission hole 5 is close to the center of heating part 1
Diameter is less than the diameter away from the center of heating part 1, i.e. the diameter of heat emission hole 5 increases successively from inside to outside.
Two outer surfaces of cold end 2 are equipped with form friction pattern 6.
Through hole 4 is at least provided with two.
The utility model when in use, blocks cold end 2 using chuck and clamped, be seated to after correct position, cold by two
End 2 respectively with two electrode conductions, electric current pass through heating part 1 produce heat；Spacing ring 3 in cold end 2 can limit chuck
Position, it is to avoid during use, because chuck and the relative displacement of cold end 2 cause chuck to be contacted with heating part 1 so that work
More stablize, two outer surfaces of cold end 2 are equipped with form friction pattern 6 so that grips more consolidate, it is to avoid in the process of placement
In come off；The through hole 4 opened up in heating part 1 and cold end 2, can reduce the internal stress present in inside during use, so that
Bending resistance is enhanced, intensity is improved；The outer surface of heating part 1 be spaced apart be provided with heat emission hole 5, and heat emission hole 5 diameter from
Increase successively from inside to outside so that the heat inside heating part 1 is easier to come out out of heat emission hole 5, substantially increases radiating
Efficiency.
The present embodiment not makees any formal limitation, every foundation to shape of the present utility model, material, structure etc.
Any simple modification, equivalent variations and modification that technical spirit of the present utility model is made to above example, belong to this reality
With the protection domain of new technique scheme.
Claims (3)
1. straight type Si-Mo rod, includes the heating part and the cold end for being located at heating part two ends, heating part and cold end of linear structure
It is solid rod structure, it is characterised in that：Two cold end outer surfaces are fixedly connected with restraining position ring block respectively at heating part, heating
Interconnected through hole is offered in portion and two cold ends vertically, heating part outer surface, which is spaced apart, is provided with heat emission hole, each to dissipate
Hot hole is disposed radially, and diameter of each heat emission hole close to heating part center is less than the diameter away from heating part center.
2. straight type Si-Mo rod according to claim 1, it is characterised in that：Two cold end outer surfaces are equipped with form friction pattern.
3. straight type Si-Mo rod according to claim 1 or 2, it is characterised in that：Through hole is at least provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254009.6U CN206353865U (en) | 2016-11-23 | 2016-11-23 | Straight type Si-Mo rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621254009.6U CN206353865U (en) | 2016-11-23 | 2016-11-23 | Straight type Si-Mo rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353865U true CN206353865U (en) | 2017-07-25 |
Family
ID=59347555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621254009.6U Expired - Fee Related CN206353865U (en) | 2016-11-23 | 2016-11-23 | Straight type Si-Mo rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206353865U (en) |
-
2016
- 2016-11-23 CN CN201621254009.6U patent/CN206353865U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20211123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |