CN215832879U - Gasket, water temperature sensor assembly and vehicle - Google Patents
Gasket, water temperature sensor assembly and vehicle Download PDFInfo
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- CN215832879U CN215832879U CN202121654771.4U CN202121654771U CN215832879U CN 215832879 U CN215832879 U CN 215832879U CN 202121654771 U CN202121654771 U CN 202121654771U CN 215832879 U CN215832879 U CN 215832879U
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- gasket
- temperature sensor
- water temperature
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Abstract
The utility model relates to a gasket for a water temperature sensor. The water temperature sensor comprises a shell, the shell comprises a shell body and a connecting rod part connected with the shell body, a part of the outer peripheral surface of the connecting rod part is provided with a connecting thread matched with a device on which the water temperature sensor is installed, and a part of the connecting rod part, which is positioned between the connecting thread and the shell body, forms a connecting part. The gasket includes an annular base portion whose radially inner peripheral edge defines a through hole through which the connection rod portion of the water temperature sensor passes, and a cylindrical main body portion extending in an axial direction of the gasket from one axial end connected to the radially outer peripheral edge of the base portion to the other axial end thereof and having a peripheral wall arcuately projecting toward a central axis of the gasket. When the gasket is sleeved on the connecting part and is axially pressed, the minimum inner diameter of the main body part is smaller than the outer diameter of the thread of the connecting thread, so that the main body part can interfere with the thread. The utility model also relates to a water temperature sensor assembly comprising the gasket and a vehicle comprising the water temperature sensor assembly.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a gasket for a water temperature sensor, a water temperature sensor assembly comprising the gasket and a vehicle comprising the water temperature sensor assembly.
Background
In a vehicle, a water Temperature Sensor (CTS) is generally used to measure the Temperature of engine Coolant and convert the measured Temperature into an electric signal to be supplied to an Electronic Control Unit (ECU) of the vehicle. The existing water temperature sensor mainly comprises a shell and a thermistor accommodated in the shell, wherein the shell comprises a shell body and a hollow connecting rod part connected with the shell body, and a connecting thread matched with a vehicle engine is arranged outside the connecting rod part so as to install the water temperature sensor on the engine. The outside of the connecting rod part is usually also sleeved with a gasket, and the gasket can enable the connection between the vehicle engine and the water temperature sensor to be tighter. However, in the related art, the washer for the water temperature sensor is easily detached from the connection rod portion, and particularly, when the thickness of the inner peripheral portion of the washer near the through hole thereof is small, the inner peripheral portion of the washer is easily screwed into between two adjacent threads of the connection screw during vehicle transportation or vibration, thereby causing the washer to be unscrewed from the free end of the connection rod portion along the connection screw and detached.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
According to an aspect of the present invention, there is provided a gasket for a water temperature sensor, the water temperature sensor including a housing body and a connection rod portion connected to the housing body, a portion of an outer circumferential surface of the connection rod portion being formed with a connection thread to be fitted with a device on which the water temperature sensor is mounted, a portion of the connection rod portion between the connection thread and the housing body forming a connection portion. The gasket includes an annular base portion and a cylindrical body portion, a radially inner peripheral edge of the base portion defines a through hole through which a connection rod portion of the water temperature sensor passes, the body portion extends in an axial direction of the gasket from one axial end connected to a radially outer peripheral edge of the base portion to the other axial end thereof, and has a peripheral wall arcuately projecting toward a central axis of the gasket, and a minimum inner diameter of the body portion is smaller than an outer diameter of a thread of the connection thread to be capable of interfering with the thread when the gasket is fitted over the connection portion and axially crimped.
According to the washer of one exemplary embodiment of the present invention, a length of the main body portion in an axial direction of the washer after being axially crimped is larger than a pitch of the connection thread.
According to the gasket of one exemplary embodiment of the present invention, a radial length of a portion of the main body portion overlapping with the connecting thread in a radial direction after being axially crimped is (0.15 ± 0.1) times a height of the thread.
According to the gasket of an exemplary embodiment of the present invention, a minimum inner diameter of the body portion after being axially crimped is equal to an outer diameter of the connecting portion.
According to an exemplary embodiment of the present invention, the gasket is integrally formed of a metal plate material by stamping.
According to another aspect of the present invention, there is also provided a water temperature sensor assembly comprising a water temperature sensor and a gasket as described above, the water temperature sensor comprising a housing including a housing body and a connection rod portion connected to the housing body, a portion of an outer peripheral surface of the connection rod portion being formed with a connection thread to be fitted to a device on which the water temperature sensor is mounted, a portion of the connection rod portion between the connection thread and the housing body forming a connection portion, the gasket being fitted over the connection portion.
According to still another aspect of the present invention, there is also provided a vehicle including the water temperature sensor assembly as described above.
According to a vehicle of an exemplary embodiment of the utility model, the means on which the water temperature sensor is mounted is part of an engine of the vehicle.
The gasket according to the above embodiment of the present invention includes the base portion having the through hole and the cylindrical body portion, the peripheral wall of which is arcuately protruded toward the central axis of the gasket, so that, when the gasket is fitted over the connection portion of the connection rod portion of the water temperature sensor and the gasket is axially press-fitted, the body portion is deformed, and the deformed body portion can interfere with the thread of the connection thread on the connection rod portion on the side close to the gasket, thereby preventing the gasket from falling off from the free end of the connection rod portion even in the case of vehicle transportation or vibration.
Drawings
The utility model is described in detail below by way of non-limiting examples with reference to the accompanying drawings, which are schematic only and not necessarily to scale, and which show only those parts which are necessary in order to elucidate the utility model, while other parts may be omitted or merely mentioned briefly. That is, the present invention may include other components in addition to those shown in the drawings. In the drawings:
FIG. 1 is a schematic cross-sectional view illustrating a water temperature sensor assembly according to an exemplary embodiment of the present invention.
Fig. 2 is a perspective view illustrating a gasket for a water temperature sensor according to an exemplary embodiment of the present invention.
Fig. 3 is a schematic top view illustrating a gasket for a water temperature sensor according to an exemplary embodiment of the present invention.
FIG. 4 is a cross-sectional schematic view of the gasket for a water temperature sensor shown in FIG. 3 taken along line A-A.
Detailed Description
A gasket for a water temperature sensor, a water temperature sensor assembly including the gasket, and a vehicle including the water temperature sensor assembly according to embodiments of the present invention will be described below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention to those skilled in the art. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. Furthermore, it should be understood that the utility model is not limited to the specific embodiments described. Rather, it is contemplated that the utility model may be practiced with any combination of the following features and elements, whether or not they relate to different embodiments. Thus, the following features, embodiments and advantages are merely illustrative and should not be considered elements or limitations of the claims except where explicitly recited in a claim.
As shown in fig. 1, a water temperature sensor according to an exemplary embodiment of the present invention includes a case, and a thermistor or the like accommodated in the case. The housing includes a housing body 21 and a connection rod portion 22. The connection rod portion 22 is, for example, cylindrical, and has a cross-sectional outer dimension smaller than that of the housing body 21. One end (left end in fig. 1) of the connection rod portion 22 is connected to (e.g., formed integrally with) the housing body 21, and the other end (right end in fig. 1) is a free end for mounting the water temperature sensor. Specifically, a portion of the outer peripheral surface of the connection rod portion 22 is formed with a connection thread 22A that mates with a device (e.g., a portion of a vehicle engine) on which the water temperature sensor is mounted, so as to mount the water temperature sensor on the device. A portion of the connection rod portion 22 between the connection thread 22A and the housing body 21 forms a connection portion 22B. In order to make the connection between the vehicle engine and the water temperature sensor more tight, a gasket 10 is fitted over the connection portion 22B.
Fig. 2 to 4 show schematic views of a gasket 10 for a water temperature sensor according to an exemplary embodiment of the present invention. As shown in fig. 2 to 4, the gasket 10 may include an annular base portion 11 and a cylindrical body portion 12. The radially inner periphery of the base 11 defines a through hole 13 through which the connection stem 22 of the water temperature sensor passes. The body portion 12 extends from one axial end (a lower end in fig. 4) connected to the radially outer peripheral edge of the base portion 11 to the other axial end (an upper end in fig. 4) in the axial direction (the vertical direction in fig. 4) of the gasket 10. Between the one and the other axial ends is a peripheral wall of the main body portion 12 in an arc-shaped or arcuate projecting configuration toward a central axis (not shown) of the gasket 10 (i.e., the peripheral wall of the main body portion is in an arc-shaped or arcuate projecting toward the central axis in a cross section taken along the central axis of the gasket 10 shown in fig. 4). After the washer 10 is fitted over the connecting portion 22B and axially crimped by a device on which the water temperature sensor is mounted (against which the base portion 11 of the washer 10 can abut when crimped), the main body portion 12 is deformed such that the minimum inner diameter d of the main body portion 12 becomes smaller than the outer diameter of the threads of the connecting thread 22A, thereby enabling the main body portion 12 to interfere with the threads of the connecting thread 22A on the side close to the washer 10, and preventing the washer 10 from coming off the free end of the connecting rod portion 22 beyond the connecting thread 22A. Specifically, before the washer 10 is mounted on the connection rod portion 22, the minimum inner diameter d of the main body portion 12 of the washer 10 is larger than the maximum outer diameter of the connection rod portion 22 of the water temperature sensor, so that the connection rod portion 22 passes through the washer 10, thereby sleeving the washer 10 on the connection portion 22B of the connection rod portion 22. Then, the washer 10 is axially press-fitted so that the minimum inner diameter d of the body portion 12 becomes small, the body portion 12 can interfere with the thread of the connection thread 22A on the side close to the washer 10, and the washer 10 is prevented from slipping off the free end of the connection rod portion 22 beyond the connection thread 22A. The gasket 10 adopts the arc-shaped structure protruding towards the central axis of the gasket, so that the dimensional deformation of the gasket 10 before and after being axially crimped is large, the gasket before being axially crimped is conveniently and smoothly sleeved on the connecting part 22B, and the gasket 10 after being axially crimped can interfere with the thread of the connecting thread 22A to prevent the gasket 10 from crossing the connecting thread 22A and falling off from the free end of the connecting thread 22A.
In an exemplary embodiment, the length of the body portion 12 in the axial direction of the washer 10 after being axially crimped is greater than the pitch of the connecting threads 22A. In this way, the body portion 12 of the washer 10 is prevented from being screwed into the recess between two adjacent threads of the connecting thread 22A, which would cause the washer 10 to fall off the free end of the connecting rod portion 22.
In an exemplary embodiment, the radial length of the portion of the body portion 12 that radially overlaps the connecting thread 22A after being axially crimped is (0.15 ± 0.1) times, preferably (0.15 ± 0.05) times, the height of the thread. However, it will be understood by those skilled in the art that in some other embodiments of the present disclosure, the radial length of the portion of the body portion 12 that overlaps the connecting thread 22A in the radial direction after being axially crimped may also be other values, for example, the minimum inner diameter d of the body portion 12 after being axially crimped may be equal to the outer diameter of the connecting portion 22B.
As shown in fig. 4, the peripheral wall of the main body 12 in this embodiment has a structure protruding in a circular arc shape toward the center. However, it will be appreciated by those skilled in the art that in other embodiments of the present disclosure, the peripheral wall structure may also project in an elliptical arc.
In this embodiment, the gasket 10 may be integrally formed, for example. For example, the gasket 10 may be formed by stamping a metal plate material in order to reduce manufacturing costs.
According to another aspect of the present invention, there is also provided a water temperature sensor assembly including the washer 10 as described above and a water temperature sensor including a housing body 21 and a connection rod portion 22 connected to the housing body 21. A portion of the outer peripheral surface of the connection rod portion 22 is formed with a connection thread 22A that engages with a device (e.g., a portion of a vehicle engine) to which the water temperature sensor is mounted, and a portion of the connection rod portion 22 between the connection thread 22A and the housing body 21 forms a connection portion 22B. The washer 10 is fitted over the connecting portion 22B, and the body portion 12 of the washer 10, which is axially crimped, can interfere with the thread of the connecting thread 22A on the side close to the washer 10, thereby preventing the washer 10 from falling off from the free end of the connecting rod portion 22.
According to yet another aspect of the utility model, there is also provided a vehicle comprising an engine and a water temperature sensor assembly as described above. In this case, the connection rod portion of the water temperature sensor is mounted on a portion of the engine through the connection screw.
It should be noted that although the water temperature sensor is shown in the above embodiments as being mounted on the vehicle engine, in other embodiments of the present disclosure, the water temperature sensor assembly may be mounted on any device known in the art or suitable for mounting.
The gasket according to the above embodiment of the present invention includes the base portion having the through hole and the cylindrical body portion, the peripheral wall of which is arcuately protruded toward the central axis of the gasket, so that, when the gasket is fitted over the connection portion of the connection rod portion of the water temperature sensor and the gasket is axially press-fitted, the body portion is deformed, and the deformed body portion can interfere with the thread of the connection thread on the connection rod portion on the side close to the gasket, thereby preventing the gasket from falling off from the free end of the connection rod portion even in the case of vehicle transportation or vibration.
Although the present invention has been described with reference to the preferred embodiments, it is not limited thereto. Various changes and modifications within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit and scope of the present invention, and therefore the scope of the present invention should be determined by that defined in the appended claims.
Claims (8)
1. A gasket for a water temperature sensor, the water temperature sensor including a housing, the housing including a housing body and a connection rod portion connected to the housing body, a connection thread formed on a part of an outer peripheral surface of the connection rod portion to be engaged with a device on which the water temperature sensor is mounted, a connection portion formed on a part of the connection rod portion between the connection thread and the housing body, characterized in that,
the gasket includes an annular base portion and a cylindrical body portion, a radially inner peripheral edge of the base portion defines a through hole through which a connection rod portion of the water temperature sensor passes, the body portion extends in an axial direction of the gasket from one axial end connected to a radially outer peripheral edge of the base portion to the other axial end thereof, and has a peripheral wall arcuately projecting toward a central axis of the gasket, and a minimum inner diameter of the body portion is smaller than an outer diameter of a thread of the connection thread to be capable of interfering with the thread when the gasket is fitted over the connection portion and axially crimped.
2. The washer of claim 1, wherein a length of the body portion in an axial direction of the washer after being axially crimped is greater than a pitch of the connecting thread.
3. The gasket of claim 2, wherein a radial length of a portion of the main body portion overlapping the connecting thread in a radial direction after being axially crimped is (0.15 ± 0.1) times a height of the thread.
4. The gasket of claim 2 wherein the minimum inner diameter of the body portion after being axially crimped is equal to the outer diameter of the connecting portion.
5. The gasket as claimed in any one of claims 1 to 4 wherein the gasket is integrally formed from sheet metal by stamping.
6. A water temperature sensor assembly characterized by comprising a water temperature sensor and a gasket according to any one of claims 1 to 5, the water temperature sensor comprising a housing, the housing comprising a housing body and a connection rod portion connected with the housing body, a portion of an outer peripheral surface of the connection rod portion being formed with a connection thread that mates with a device on which the water temperature sensor is mounted, a portion of the connection rod portion between the connection thread and the housing body forming a connection portion, the gasket being fitted over the connection portion.
7. A vehicle characterized by comprising the water temperature sensor assembly of claim 6.
8. The vehicle of claim 7, characterized in that the means on which the water temperature sensor is mounted is part of an engine of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654771.4U CN215832879U (en) | 2021-07-20 | 2021-07-20 | Gasket, water temperature sensor assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121654771.4U CN215832879U (en) | 2021-07-20 | 2021-07-20 | Gasket, water temperature sensor assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832879U true CN215832879U (en) | 2022-02-15 |
Family
ID=80192340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121654771.4U Active CN215832879U (en) | 2021-07-20 | 2021-07-20 | Gasket, water temperature sensor assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832879U (en) |
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2021
- 2021-07-20 CN CN202121654771.4U patent/CN215832879U/en active Active
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