CN204214558U - A kind of fixed sturcture of fuel tank thermocouple sensor - Google Patents
A kind of fixed sturcture of fuel tank thermocouple sensor Download PDFInfo
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- CN204214558U CN204214558U CN201420646485.7U CN201420646485U CN204214558U CN 204214558 U CN204214558 U CN 204214558U CN 201420646485 U CN201420646485 U CN 201420646485U CN 204214558 U CN204214558 U CN 204214558U
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- thermocouple sensor
- tracheae
- weldment
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- fuel tank
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Abstract
The utility model relates to a kind of fixed sturcture of fuel tank thermocouple sensor, the thermocouple sensor jack outer wall of plastic fuel tank is welded with female weldment, female weldment is the tubular structure of hollow, the bottom surface port of female weldment is welded on plastic fuel tank, the upper end inwall of female weldment is provided with internal thread, the first tracheae quick connector is connected with in the internal thread of female weldment, the upper end of the first tracheae quick connector is plugged with plastics tracheae and seals between the two, the upper end of plastics tracheae to be plugged in the second tracheae quick connector and to seal between the two, the upper end of the second tracheae quick connector is screwed in the lower end of Double-ended nut, the upper end of Double-ended nut is connected with thermocouple sensor, the measuring staff of thermocouple sensor is inserted from the upper port of Double-ended nut and is passed the second tracheae quick connector successively, plastics tracheae, first tracheae quick connector, female weldment and thermocouple sensor jack enter the inner chamber of plastic fuel tank.This structure can regulate the insertion depth of thermocouple sensor easily.
Description
Technical field
The utility model relates to a kind of fuel tank test unit, particularly a kind of fixed sturcture of fuel tank thermocouple sensor.
Background technology
In the test specification of plastic fuel tank, some pilot project needs to measure fuel tank internal temperature, because the thermocouple sensor purchased on the market mostly adopts the fixed form of screw thread mouth, so often fix in the following ways in fuel tank test.First the mode of female weldment by hot melt is welded on plastic fuel tank, then punches on the oil tank wall of female weldment inside with power drill, as thermocouple sensor jack, then thermocouple sensor to be inserted in female weldment and to screw.
In different test specifications, there is different regulations to thermocouple sensor from the distance of fuel tank diapire.In the fixed form that thermopair is traditional, the length due to thermocouple sensor is fixing, so the end of thermocouple sensor is also fixing from the distance of fuel tank diapire, cannot carry out regulating to meet test specification requirement.Regulate the end of thermocouple sensor from the distance of fuel tank diapire, will reinstall or dismantle thermocouple sensor.When each installation or removal thermocouple sensor, because thermocouple sensor is hickey, so need the even sensor of frequent rotary thermoelectric, make the wire of thermocouple sensor easily disconnected by strand, reduce the serviceable life of thermocouple sensor.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, provides a kind of fixed sturcture of fuel tank thermocouple sensor, can regulate the insertion depth of thermocouple sensor easily.
For solving above technical matters, the fixed sturcture of a kind of fuel tank thermocouple sensor of the present utility model, comprise plastic fuel tank, described plastic fuel tank is provided with thermocouple sensor jack, the outer wall of described thermocouple sensor jack is welded with female weldment, described female weldment be hollow tubular structure and with described thermocouple sensor jack coaxial line, the bottom surface port of described female weldment is welded on described plastic fuel tank, the upper end inwall of described female weldment is provided with internal thread, the first tracheae quick connector is connected with in the internal thread of described female weldment, the upper end of described first tracheae quick connector is plugged with plastics tracheae and is tightly connected between the two, the upper end of described plastics tracheae to be plugged in the second tracheae quick connector and to be tightly connected between the two, the upper end of described second tracheae quick connector is screwed in the lower end of Double-ended nut, the upper end of described Double-ended nut is connected with thermocouple sensor, the measuring staff of described thermocouple sensor is inserted from the upper port of described Double-ended nut and is passed described second tracheae quick connector successively, plastics tracheae, first tracheae quick connector, female weldment and thermocouple sensor jack enter the inner chamber of described plastic fuel tank.
Relative to prior art, the utility model achieves following beneficial effect: the plug between tracheae quick connector and plastics tracheae is fast very convenient, as long as plastics tracheae can inject in tracheae quick connector by the Spring Card pressing tracheae quick connector port, or extract from tracheae quick connector, trip spring card can realize plastics tracheae and to be stuck in tracheae quick connector and to realize sealing; Plastics tracheae is trimmed to suitable length, just can adjusts the insertion depth of measuring staff in plastic fuel tank of thermocouple sensor; Owing to have employed tracheae quick connector and plastics tracheae, first the first tracheae quick connector and female weldment can be connected, and Double-ended nut and thermocouple sensor are connected in advance, and the second tracheae quick connector is screwed on Double-ended nut, then the measuring staff of thermocouple sensor is inserted in plastics tracheae, finally carry out the grafting of plastics tracheae, counteragent during dismounting; When so just can avoid installation or removal, thermocouple sensor is done to rotate in many weeks with its wire, thus avoids being twisted disconnected.
As improvement of the present utility model, the outer wall of described female weldment is that stepped cylindrical is step-like, and the lower diameter of described female weldment is greater than upper diameter.The floorage of so female weldment increases, and is conducive to and fuel tank firm welding.
Accompanying drawing explanation
Be described in further detail the utility model below in conjunction with the drawings and specific embodiments, accompanying drawing only provides reference and explanation use, is not used to limit the utility model.
Fig. 1 is the structural representation of the fixed sturcture of the utility model fuel tank thermocouple sensor.
In figure: 1. plastic fuel tank; 2. female weldment; 3. the first tracheae quick connector; 4. plastics tracheae; 5. the second tracheae quick connector; 6. Double-ended nut; 7. thermocouple sensor.
Embodiment
As shown in Figure 1, the fixed sturcture of fuel tank thermocouple sensor of the present utility model comprises plastic fuel tank 1, plastic fuel tank 1 is provided with thermocouple sensor jack, the outer wall of thermocouple sensor jack is welded with female weldment 2, female weldment 2 be hollow tubular structure and with thermocouple sensor jack coaxial line, the bottom surface port of female weldment 2 is welded on plastic fuel tank 1, the upper end inwall of female weldment 2 is provided with internal thread, the first tracheae quick connector 3 is connected with in the internal thread of female weldment 2, the upper end of the first tracheae quick connector 3 is plugged with plastics tracheae 4 and is tightly connected between the two, the upper end of plastics tracheae 4 to be plugged in the second tracheae quick connector 5 and to be tightly connected between the two, the upper end of the second tracheae quick connector 5 is screwed in the lower end of Double-ended nut 6, the upper end of Double-ended nut 6 is connected with thermocouple sensor 7, the measuring staff of thermocouple sensor 7 is inserted from the upper port of Double-ended nut 6 and is passed the second tracheae quick connector 5 successively, plastics tracheae 4, first tracheae quick connector 3, female weldment 2 and thermocouple sensor jack enter the inner chamber of plastic fuel tank 1.
The outer wall of female weldment 2 is that stepped cylindrical is step-like, and the lower diameter of female weldment 2 is greater than upper diameter.The floorage of so female weldment 2 increases, and is conducive to and fuel tank firm welding.
Plug between tracheae quick connector and plastics tracheae 4 is fast very convenient, as long as plastics tracheae 4 can inject in tracheae quick connector by the Spring Card pressing tracheae quick connector port, or extract from tracheae quick connector, trip spring card can realize plastics tracheae 4 and to be stuck in tracheae quick connector and to realize sealing; Plastics tracheae 4 is trimmed to suitable length, just can adjusts the insertion depth of measuring staff in plastic fuel tank 1 of thermocouple sensor 7; Owing to have employed tracheae quick connector and plastics tracheae 4, first the first tracheae quick connector 3 can be connected with female weldment 2, and Double-ended nut 6 and thermocouple sensor 7 are connected in advance, and the second tracheae quick connector 5 is screwed on Double-ended nut 6, then the measuring staff of thermocouple sensor 7 is inserted in plastics tracheae 4, finally carry out the grafting of plastics tracheae 4, counteragent during dismounting; When so just can avoid installation or removal, thermocouple sensor 7 is done to rotate in many weeks with its wire, thus avoids being twisted disconnected.
The foregoing is only the better possible embodiments of the utility model, non-ly therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.The utility model can pass through without the technical characteristic described or adopt existing techniques in realizing, does not repeat them here.
Claims (2)
1. the fixed sturcture of a fuel tank thermocouple sensor, comprise plastic fuel tank, described plastic fuel tank is provided with thermocouple sensor jack, the outer wall of described thermocouple sensor jack is welded with female weldment, described female weldment be hollow tubular structure and with described thermocouple sensor jack coaxial line, the bottom surface port of described female weldment is welded on described plastic fuel tank, the upper end inwall of described female weldment is provided with internal thread, it is characterized in that: in the internal thread of described female weldment, be connected with the first tracheae quick connector, the upper end of described first tracheae quick connector is plugged with plastics tracheae and is tightly connected between the two, the upper end of described plastics tracheae to be plugged in the second tracheae quick connector and to be tightly connected between the two, the upper end of described second tracheae quick connector is screwed in the lower end of Double-ended nut, the upper end of described Double-ended nut is connected with thermocouple sensor, the measuring staff of described thermocouple sensor is inserted from the upper port of described Double-ended nut and is passed described second tracheae quick connector successively, plastics tracheae, first tracheae quick connector, female weldment and thermocouple sensor jack enter the inner chamber of described plastic fuel tank.
2. the fixed sturcture of fuel tank thermocouple sensor according to claim 1, is characterized in that: the outer wall of described female weldment is that stepped cylindrical is step-like, and the lower diameter of described female weldment is greater than upper diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646485.7U CN204214558U (en) | 2014-11-03 | 2014-11-03 | A kind of fixed sturcture of fuel tank thermocouple sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646485.7U CN204214558U (en) | 2014-11-03 | 2014-11-03 | A kind of fixed sturcture of fuel tank thermocouple sensor |
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|---|---|
| CN204214558U true CN204214558U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420646485.7U Active CN204214558U (en) | 2014-11-03 | 2014-11-03 | A kind of fixed sturcture of fuel tank thermocouple sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466759A (en) * | 2016-01-05 | 2016-04-06 | 中国人民解放军理工大学 | Sensor mounting seat and installation method and model test device |
| CN109141666A (en) * | 2018-09-25 | 2019-01-04 | 国家电网有限公司 | A kind of temperature detecting resistance that temperature value jump is less likely to occur |
-
2014
- 2014-11-03 CN CN201420646485.7U patent/CN204214558U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466759A (en) * | 2016-01-05 | 2016-04-06 | 中国人民解放军理工大学 | Sensor mounting seat and installation method and model test device |
| CN105466759B (en) * | 2016-01-05 | 2018-10-26 | 中国人民解放军理工大学 | Sensor installation seat and installation method and model test apparatus |
| CN109141666A (en) * | 2018-09-25 | 2019-01-04 | 国家电网有限公司 | A kind of temperature detecting resistance that temperature value jump is less likely to occur |
| CN109141666B (en) * | 2018-09-25 | 2020-06-26 | 国家电网有限公司 | Temperature measuring resistor with temperature value jumping difficultly |
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