CN202916021U - Temperature sensing thermocouple used in wheel hub casting - Google Patents
Temperature sensing thermocouple used in wheel hub casting Download PDFInfo
- Publication number
- CN202916021U CN202916021U CN201220628239.XU CN201220628239U CN202916021U CN 202916021 U CN202916021 U CN 202916021U CN 201220628239 U CN201220628239 U CN 201220628239U CN 202916021 U CN202916021 U CN 202916021U
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- CN
- China
- Prior art keywords
- temperature sensing
- wheel hub
- thermopair
- thermocouple
- copper
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- 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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Abstract
A temperature sensing thermocouple used in wheel hub casting includes a thermocouple component. The thermocouple component is arranged in a copper casing (1) to form a temperature sensing thermocouple; the copper casing (1) is provided with a step cylindrical surface (11) with a molded protrusion; one end of a front spring (2) is pressed on the step cylindrical surface (11), and the other end of the front spring (2) is pressed on a nut (3); a signal output wire (5) of the temperature sensing thermocouple is fixed on the casing (1); and a back spring (4) is sleeved on the copper casing (1) and covers the signal output wire (5) of the temperature sensing thermocouple. With the temperature sensing thermocouple adopted, the temperature sensing thermocouple can closely contact with a to-be-tested portion of a wheel hub, and a wheel hub output wire can be well protected.
Description
Technical field:
The utility model relates to the automotive hub production technical field, more specifically to a kind of wheel hub casting temperature sensing thermopair.
Background technology:
Existing automotive hub is wanted the serviceability temperature sensor in order effectively to analyze and monitor the cast article blank quality in casting process, the thermopair that existing temperature sensing is thought highly of adopts the shell of steel, when reality is tested, the shell of steel often and UUT not contact phenomena occurs, the temperature that measures like this is not the true temperature that needs the test position, quality problems so that can not normally monitoring, the production run of wheel hub occur, as in the actual casting process, temperature of aluminum liquid will be controlled at 680 ℃ when filling type, because mould is in filling type and cooling production run, the mould temperature can sharply change, mould itself can expand with heat and contract with cold, and the overcoat of steel, distortion is little after being heated, during so original probe temperature, the steel overcoat contacts with to be measured of wheel hub, but after deforming, just separate at the position to be tested of steel overcoat and wheel hub, finally be directed at mould and thermocouple loose contact, so that the temperature sensor test is not the temperature of detected part, deviation has just occured in the forming temperature according to a part in the temperature control wheel hub production technology of temperature sensor indication like this, thereby affects the controllability of wheel hub production quality.The output lead that is exactly in addition present temperature sensing thermopair is not subject to any protection, and the temperature sensing thermopair is collided during open-close module, and sealing-off easily occurs output lead, causes and can't export transducing signal.
The utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of wheel hub casting to use the temperature sensing thermopair, and it can guarantee temperature sensing thermopair and wheel hub detected part close contact, simultaneously the wheel hub output lead is also carried out good protection.
Technology solution of the present utility model is as follows:
Wheel hub casting temperature sensing thermopair, comprise thermopair, housing made of copper is enclosed within on the thermopair, the openend weldering is tight, housing made of copper has the step face of cylinder of projection, between the step face of cylinder and the nut with the spring sleeve on housing, the signal output lead of temperature sensing thermopair is fixed on the housing, the spring sleeve is on housing made of copper and covering the signal output lead of temperature sensing thermopair.
The beneficial effects of the utility model are:
It can guarantee temperature sensing thermopair and wheel hub detected part close contact, simultaneously the wheel hub output lead is also carried out good protection.
Description of drawings:
Fig. 1 is structural representation of the present utility model
Among the figure: 1, housing made of copper; 2, front spring; 3, nut; 4, rear spring; 5, the signal output lead of temperature sensing thermopair.
Embodiment:
Embodiment: as shown in Figure 1, wheel hub casting temperature sensing thermopair, comprise thermocouple part, thermocouple part is arranged at housing 1 interior formation temperature sensing thermal galvanic couple made of copper, housing 1 made of copper has the step face of cylinder 11 of the projection of forming, front spring 2 one side pressures on the step face of cylinder 11, the other end is pressed on the nut 3, the signal output lead 5 of temperature sensing thermopair is fixed on the housing 1, rear spring 4 sleeves are on housing 1 made of copper and covering the signal output lead 5 of temperature sensing thermopair.
Principle of work: mould is in filling type and cooling production run, the mould temperature can sharply change, mould itself can expand with heat and contract with cold, and adopts the temperature sensing thermopair of housing 1 made of copper, when past mould is annotated aluminium liquid on the low pressure casting board, during the distortion of mould expanded by heating, the deflection of copper is larger, and spring withstands housing protrusion cylinder table exponent part simultaneously, can guarantee that like this galvanic couple contacts with mould closely, temperature sensor measures the true temperature of detected part, in order to control in the production run.Rear spring 4 can be guaranteed when the temperature sensing thermopair meets accident collision, protects the signal output lead 5 of temperature sensing thermopair in order to avoid sealing-off causes no signal output.
Claims (1)
1. wheel hub is cast and is used the temperature sensing thermopair, comprise thermocouple part, it is characterized in that: thermocouple part is arranged at the interior formation temperature sensing thermal of housing made of copper (1) galvanic couple, housing made of copper (1) has the step face of cylinder (11) of the projection of forming, front spring (2) one side pressures are upper in the step face of cylinder (11), the other end is pressed on the nut (3), the signal output lead (5) of temperature sensing thermopair is fixed on the housing (1), and rear spring (4) sleeve goes up and covering the signal output lead (5) of temperature sensing thermopair at housing made of copper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220628239.XU CN202916021U (en) | 2012-11-23 | 2012-11-23 | Temperature sensing thermocouple used in wheel hub casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220628239.XU CN202916021U (en) | 2012-11-23 | 2012-11-23 | Temperature sensing thermocouple used in wheel hub casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916021U true CN202916021U (en) | 2013-05-01 |
Family
ID=48164326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220628239.XU Expired - Fee Related CN202916021U (en) | 2012-11-23 | 2012-11-23 | Temperature sensing thermocouple used in wheel hub casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175277A (en) * | 2018-09-13 | 2019-01-11 | 浙江万丰奥威汽轮股份有限公司 | A kind of the installation of TC technology |
-
2012
- 2012-11-23 CN CN201220628239.XU patent/CN202916021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175277A (en) * | 2018-09-13 | 2019-01-11 | 浙江万丰奥威汽轮股份有限公司 | A kind of the installation of TC technology |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20211123 |