CN218765679U - Temperature sensor and engine including the same - Google Patents
Temperature sensor and engine including the same Download PDFInfo
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- CN218765679U CN218765679U CN202222751932.2U CN202222751932U CN218765679U CN 218765679 U CN218765679 U CN 218765679U CN 202222751932 U CN202222751932 U CN 202222751932U CN 218765679 U CN218765679 U CN 218765679U
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- temperature sensor
- connector
- temperature
- stop
- external screw
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Abstract
The utility model relates to a temperature sensor and including this temperature sensor's engine, temperature sensor is including the connector that is located first end, be connected to the temperature-sensing element of connector, be located with the protection casing and the cover of the relative second end of first end are established external screw thread spare on the protection casing, the protection casing is used for the holding temperature-sensing element and fixed connection to the connector, wherein, temperature sensor still includes fixed mounting and is in stop part on the protection casing, the stop part is at the orientation will with the backstop mode in the direction of first end external screw thread spare restriction is in the stop part with between the connector. The utility model discloses avoid the repeated die sinking of temperature sensor part, practiced thrift manufacturing cost.
Description
Technical Field
The utility model relates to a temperature sensor, temperature sensor is especially used for detecting the exhaust temperature's of engine temperature sensor, or is used for detecting the temperature sensor of the coolant liquid temperature of engine. The utility model discloses still relate to one kind and include temperature sensor's engine.
Background
The exhaust temperature of the engine is an important parameter for engine control, and in particular, the engine block should be protected from overheating, and therefore a temperature sensor is generally used to monitor the exhaust (exhaust gas) temperature of the engine.
In addition, a temperature sensor is also commonly used in a vehicle to detect the temperature of the engine coolant. The electronic control unit of the vehicle uses the measured temperature signal as a correction signal for the fuel injection and ignition.
Existing temperature sensors are typically screwed into corresponding mounting holes on the engine via external threads thereon. The external thread piece is fixedly sleeved on a protective shell of the temperature sensor, which is used for accommodating the sensing element. When the inner diameter sizes of the corresponding mounting holes on different models or designs of engines are different, different sizes of external screw members are required. On the one hand, the inner diameter size of different mounting holes of the engine can be adapted without changing the protective shell by changing the size of the external thread part and keeping the size of the inner hole of the external thread part unchanged. On the other hand, when the external screw thread spare is the outsourcing standard component, namely, when the size of the external screw thread part of external screw thread spare and its hole size change simultaneously, then need the mould unloading again to the protection casing to the external screw thread spare of adaptation different hole sizes. This can significantly increase the production time and cost of the temperature sensor in cases where a variety of different sized external screws are required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can adapt to the temperature sensor of the different mounting hole sizes of engine easily under the condition of external screw member for purchase standard component, it need not the repeated die sinking of protection casing to can show reduction in production cost and time. Another object of the utility model is to provide an engine including the temperature sensor.
Therefore, the utility model provides a following technical scheme:
a temperature sensor, characterized in that, the temperature sensor includes a connector at a first end, a temperature sensing element connected to the connector, a protective casing at a second end opposite to the first end, and an external screw thread member sleeved on the protective casing, the protective casing is used for accommodating the temperature sensing element and is fixedly connected to the connector, wherein, the temperature sensor further includes a stop member fixedly installed on the protective casing, the stop member limits the external screw thread member between the stop member and the connector in a stop manner in a direction toward the first end.
According to an aspect of the present invention, the stopper includes a hollow tube and a circular ring-shaped shoulder protruding from the hollow tube in a radial direction, the hollow tube is fixedly sleeved on the protective housing, and the circular ring-shaped shoulder is restricted by the external screw member in a stopper manner in a direction toward the first end between the circular ring-shaped shoulder and the connector.
According to the utility model discloses an aspect, the external diameter of ring form circular bead is greater than the external screw thread spare with the internal diameter of the adjacent hole of ring form circular bead.
According to an aspect of the utility model, the hollow tube is established through the fixed ground cover of press fit on the protection casing.
According to an aspect of the utility model, the hollow tube is established through welded fastening ground cover on the protection casing.
According to an aspect of the utility model, the stop part is the cylindrical part that has the hole, the cylindrical part is established through its hole fixed ground cover on the protection casing, and the external diameter of cylindrical part is greater than the external screw thread with the internal diameter of the hole that cylindrical part is adjacent.
According to an aspect of the present invention, the inner hole of the cylindrical member is fixedly fitted over the protection housing through the press fit.
According to the utility model discloses an aspect, the hole of cylindrical part is established through welded fastening ground cover protection casing is last.
The utility model discloses still relate to an engine including temperature sensor, temperature sensor is the temperature sensor according to any aspect of the aforesaid, and it is used for detecting the exhaust temperature of engine or is used for detecting the coolant temperature of engine.
Since the technical scheme is used, the utility model discloses can produce following beneficial technological effect:
according to the utility model discloses, through set up the stop part on temperature sensor's protection casing for different specification and dimension's external screw thread spare can be installed on the same protection casing, has avoided the needs to the repeated die sinking of protection casing, thereby can obtain the temperature sensor who adapts to the different mounting hole sizes of engine with easy mode, and effectively reduced manufacturing cost and time.
Drawings
Fig. 1 is an exploded schematic view of a temperature sensor according to an exemplary embodiment of the present invention; and
fig. 2 is a schematic view of the temperature sensor according to this exemplary embodiment of the present invention after assembly.
Detailed Description
Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings. The exemplary embodiments described below and illustrated in the figures are intended to teach the principles of the invention, enabling those skilled in the art to implement and use the invention in a number of different environments and for a number of different applications. Accordingly, these descriptions of exemplary embodiments should not be construed as limiting the scope of the present invention.
Fig. 1 shows an exploded schematic view of a temperature sensor according to an exemplary embodiment of the present invention, and fig. 2 shows a schematic view of the temperature sensor according to this exemplary embodiment of the present invention after assembly. Along the direction of disassembly, the temperature sensor, generally designated by the reference numeral 100, comprises, in succession, a connector 1, a rubber seal 2, a temperature-sensitive element 3, an external thread element 4, a sealing gasket 5, a stop element 6 and a protective casing 7. The end of the temperature sensor 100 where the connector 1 is provided may be referred to as a first end, and the protective case 7 is located at a second end opposite to the first end.
The temperature sensing element 3 is fixedly connected to the connector 1, for example by welding, and the rubber packing 2 is mounted on the connector 1 to achieve a sealing effect. For example, a groove may be provided on the connector 1 to accommodate the rubber packing 2. The temperature sensing element 3 may be, for example, a Negative Temperature Coefficient (NTC) thermistor, but is not limited thereto.
The external screw member 4 is provided with an external screw thread 8 for mounting the temperature sensor 100 in a corresponding mounting hole on an engine, the mounting hole having an internal screw thread that is fitted with the external screw thread 8. A sealing gasket 5 is mounted on the external screw thread member 4 so as to seal against the mounting hole of the engine.
A protective housing 7 is fixedly connected to the connector 1 and serves to house the temperature-sensitive element 3 therein to prevent direct exposure of the temperature-sensitive element 3 to the gas or liquid environment to be detected. The external thread element 4 is arranged on the protective housing 7.
According to the invention, it is advantageous if the temperature sensor 100 further comprises a stop 6 fixedly mounted on the protective housing 7, which stop 6 limits the external thread element 4 in a stop manner between this stop 6 and the connector 1 in a direction towards the first end of the temperature sensor 100. That is to say, different on the protection casing with external screw thread spare snap-on in the prior art the utility model discloses in, external screw thread spare is fixed on the protection casing with the help of the backstop effect of stop part along axial direction, and wherein "axial direction" means the direction that temperature sensor from first end to second end limited.
As shown in fig. 1, in this exemplary embodiment, the stop 6 comprises a first portion cooperating with the protective housing 7 and a second portion cooperating with the external screw 4. The first part takes the form of a hollow tube 9 for fixedly fitting over the protective housing 7. The second part takes the form of an annular shoulder 10 projecting radially outwards from the hollow tube 9, which annular shoulder 10 limits the male thread element 4 in a stop-like manner between the annular shoulder 10 and the connector 1 in a direction towards the first end of the temperature sensor 100.
For example, the hollow tube 9 may be fixedly mounted on the protective housing 7 by means of a press fit to form a secure interference fit therebetween. Alternatively, since the protective housing 7 and the stopper 6 are generally made of a metal alloy, the hollow tube 9 may also be fixedly mounted on the protective housing 7 by welding.
Regardless of the specific dimensions of the male screw part 4, the male screw part 4 can be stopped on the annular shoulder 10 in the axial direction as long as the outer diameter of the annular shoulder 10 is larger than the inner diameter of the inner bore of the male screw part 4 adjacent to said annular shoulder 10. That is, as long as the inner diameter of the inner bore of the selected gauge of externally threaded parts is smaller than the outer diameter of the annular shoulder, these externally threaded parts can all be mounted on the same protective housing provided with the above-described stopper, thereby assembling and constructing temperature sensors of various gauges to fit different-sized mounting holes of the engine.
Therefore, the utility model discloses a set up the stop part on temperature sensor's protection casing, solved the protection casing of the same dimension well can not with the problem of different specification and dimension's external screw member adaptation, avoided the needs to the repeated die sinking of protection casing, saved the production time and the manufacturing cost of the temperature sensor of the different specifications of development greatly, have apparent technological advantage and economic benefits.
It is to be noted here that the particular form of the stop shown in fig. 1 and 2 is merely exemplary and not exclusive. The person skilled in the art can also envisage other forms of stop which enable a stop action on the external screw. For example, the second portion of the stop that mates with the external thread may take the form of a hexagonal shoulder rather than an annular shoulder as described above. For another example, the stopper may be formed as a cylindrical member having an inner hole, the cylindrical member being fixedly fitted over the protective case through the inner hole thereof, and the outer diameter of the cylindrical member being larger than the inner diameter of the inner hole of the external screw member adjacent to the cylindrical member; the inner hole of the cylindrical part can be fixedly sleeved on the protective shell through press fit or welding. This solution may simplify the manufacture of the stopper.
It is also conceivable by the person skilled in the art that the stop member can be produced in advance in one piece, for example integrally moulded, with the protective housing, without the axial dimension of the external thread element being changed. The advantages of the present invention can be realized by this solution as well, and the manufacturing process of the temperature sensor is further simplified.
According to the utility model discloses a temperature sensor both can be the temperature sensor who is used for detecting the exhaust temperature of engine, also can be the temperature sensor who is used for detecting the coolant liquid temperature of engine, or can also be the temperature sensor who can be applicable to other application scenarios.
The utility model discloses still relate to including temperature sensor's engine.
Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited thereto. Various changes and modifications within the spirit and scope of the present invention will be apparent to those skilled in the art, and the scope of the present invention is defined by the appended claims.
Claims (9)
1. A temperature sensor, characterized in that, the temperature sensor includes a connector at a first end, a temperature sensing element connected to the connector, a protective casing at a second end opposite to the first end, and an external screw thread member sleeved on the protective casing, the protective casing is used for accommodating the temperature sensing element and is fixedly connected to the connector, wherein, the temperature sensor further includes a stop member fixedly installed on the protective casing, the stop member limits the external screw thread member between the stop member and the connector in a stop manner in a direction toward the first end.
2. The temperature sensor of claim 1, wherein the stop includes a hollow tube fixedly sleeved on the protective housing and an annular shoulder projecting radially outward from the hollow tube and backstopingly trapping the male threaded member between the annular shoulder and the connector in a direction toward the first end.
3. The temperature sensor of claim 2, wherein an outer diameter of the annular shoulder is greater than an inner diameter of an inner bore of the male threaded component adjacent the annular shoulder.
4. The temperature sensor of claim 2, wherein said hollow tube is fixedly secured to said protective housing by a press fit.
5. The temperature sensor of claim 2, wherein the hollow tube is fixedly secured to the protective housing by welding.
6. The temperature sensor of claim 1, wherein the stop member is a cylindrical member having an inner bore, the cylindrical member is fixedly fitted over the protective housing through the inner bore thereof, and an outer diameter of the cylindrical member is larger than an inner diameter of the inner bore of the external screw member adjacent to the cylindrical member.
7. The temperature sensor of claim 6, wherein the inner bore of the cylindrical member is fixedly secured to the protective housing by a press fit.
8. The temperature sensor of claim 6, wherein the inner bore of the cylindrical member is fixedly secured to the protective housing by welding.
9. An engine comprising a temperature sensor, characterized in that the temperature sensor is a temperature sensor according to any one of claims 1 to 8 for detecting an exhaust gas temperature of the engine or for detecting a coolant temperature of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751932.2U CN218765679U (en) | 2022-10-19 | 2022-10-19 | Temperature sensor and engine including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751932.2U CN218765679U (en) | 2022-10-19 | 2022-10-19 | Temperature sensor and engine including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765679U true CN218765679U (en) | 2023-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222751932.2U Active CN218765679U (en) | 2022-10-19 | 2022-10-19 | Temperature sensor and engine including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765679U (en) |
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2022
- 2022-10-19 CN CN202222751932.2U patent/CN218765679U/en active Active
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