CN203072181U - PTC type preheater - Google Patents
PTC type preheater Download PDFInfo
- Publication number
- CN203072181U CN203072181U CN 201320026201 CN201320026201U CN203072181U CN 203072181 U CN203072181 U CN 203072181U CN 201320026201 CN201320026201 CN 201320026201 CN 201320026201 U CN201320026201 U CN 201320026201U CN 203072181 U CN203072181 U CN 203072181U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- maintenance
- preheater
- installing hole
- ptc type
- 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
The utility model discloses a PTC type preheater. The preheater comprises a shell and a heating pipe. An upper end surface of the shell is provided with a cover plate. An installing hole is arranged on the cover plate. During connection, a bolt passes through the installing hole and is connected with the shell so as to form one body. By using the preheater of the utility model, during vehicle maintenance, a whole product does not need to be removed and electrical maintenance can be performed from above through opening the cover plate. Therefore, the maintenance is convenient and a labor intensity of a worker is reduced.
Description
Technical field
The utility model relates to a kind of heater, and particularly a kind of PTC type preheater belongs to the technical field of heater.
Background technology
Along with the adjustment development of Chinese Railway, more and more higher to the comfortableness in the railway car and security requirement.The heating element that adopts in the present domestic high-grade railway car electrothermal tubes that adopt external import more.Owing to electrothermal tube belongs to easily-consumed products, electrothermal tube damages easily after use a period of time needs often to change, but owing to the procurement cycle of import parts is long, the cost height.A kind of PTC type preheater of the prior art, comprise housing, heating tube, described housing upper surface is provided with cover plate, the two sides of described cover plate are connected with housing, and the preheater of this structure is because housing and cover plate are fastening by the two sides, front and back, when car inspection and repair, because the installation site of this product is limit, need entire product is taken out, just can carry out electric maintenance; Therefore, maintenance trouble.
The utility model content
It is convenient that technical problem to be solved in the utility model provides a kind of installation, maintenance, and PTC type preheater simple in structure.
For above-mentioned technical problem, a kind of PTC type of the utility model preheater comprises housing, heating tube, described housing upper surface is provided with cover plate, is provided with installing hole above the described cover plate, during connection, described bolt passes described installing hole, links into an integrated entity with described housing.
The utility model can be realized following beneficial effect:
1, for convenience detach, maintenance has alleviated working strength of workers;
2, when car inspection and repair, do not need entire product is taken out, can open cover plate from the top and carry out electric maintenance, therefore, maintenance is convenient.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
For above-mentioned technical problem, a kind of PTC type preheater comprises housing 1, heating tube, and described housing 1 upper surface is provided with cover plate 3, is provided with installing hole above the described cover plate 3, and during connection, described bolt 3 passes described installing hole, links into an integrated entity with described housing 1.Because housing and cover plate are upper and lower fastening, when car inspection and repair, need not entire product is taken out, can carry out electric maintenance as long as open cover plate; Therefore, maintenance is convenient.
Claims (1)
1. a PTC type preheater comprises housing, heating tube, it is characterized in that, described housing upper surface is provided with cover plate, is provided with installing hole above the described cover plate, and during connection, described bolt passes described installing hole, links into an integrated entity with described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026201 CN203072181U (en) | 2013-01-17 | 2013-01-17 | PTC type preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026201 CN203072181U (en) | 2013-01-17 | 2013-01-17 | PTC type preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203072181U true CN203072181U (en) | 2013-07-17 |
Family
ID=48770922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320026201 Expired - Fee Related CN203072181U (en) | 2013-01-17 | 2013-01-17 | PTC type preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203072181U (en) |
-
2013
- 2013-01-17 CN CN 201320026201 patent/CN203072181U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20160117 |
|
| EXPY | Termination of patent right or utility model |