Integrated cooling liquid temperature sensor

Abstract

The utility model discloses an integrated cooling liquid temperature sensor, which comprises a plugging pipe, one end of the plugging pipe is provided with a female plug end, the other end of the plugging pipe is provided with a male plug, the plugging pipe is provided with a sensor, the sensor comprises a shell and a thermistor, the shell comprises an out-pipe part and an in-pipe part, and the in-pipe part is provided with a thermistor mounting chamber. An annular groove and an annular table are arranged in the female plug end, a limiting ring and a sealing ring are installed in the female plug end, the outer side of the limiting ring is fixed in the annular groove, the sealing ring is clamped between the limiting ring and the sealing ring, clamping grooves are formed in the two sides of the female plug end respectively, and the clamping grooves are matched with the clamping grooves. The female plug end is provided with a U-shaped clamp spring, and the two sides of the U-shaped clamp spring are respectively clamped into the clamping grooves. According to the integrated cooling liquid temperature sensor provided by the utility model, the insertion pipe and the shell are integrally formed, the structural strength is high, the sealing performance is good, the temperature sensor is convenient to install and connect, and the manufacturing cost of the temperature sensor is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature sensors, and in particular relates to an integrated coolant temperature sensor. Background Art

[0002] The coolant temperature sensor is used to monitor the temperature of the car coolant in real time. The existing temperature sensor generally needs to open a mounting hole at the measured part for installation, which has a limited application range and is very inconvenient to install. After long-term use, the installation part is prone to loosening due to shaking, resulting in leakage. Therefore, it is necessary to improve the existing coolant temperature sensor. Utility Model Content

[0003] In order to solve the above technical problems, the technical solution adopted by the utility model is: an integrated coolant temperature sensor, including a plug-in tube, one end of the plug-in tube is provided with a female plug-in, the other end is provided with a male plug, a sensor is installed on the plug-in tube, the sensor includes a shell and a thermistor, the shell includes an outer tube part and an inner tube part, the outer tube part is located outside the plug-in tube, the inner tube part extends into the plug-in tube, the inner tube part is provided with a thermistor installation chamber, the outer tube part is provided with a plug-in chamber connected to the thermistor installation chamber, the upper end of the outer tube part is provided with a socket connected to the plug-in chamber, the thermistor is located in the thermistor installation chamber, the shell and the plug-in tube are integrally formed, an annular groove and an annular platform are provided inside the female plug-in, a limit ring and a sealing ring are installed inside the female plug-in, the outer side of the limit ring is fixed in the annular groove, the sealing ring is clamped between the limit ring and the sealing ring, and the two sides of the female plug-in are respectively provided with card grooves, and a U-shaped retaining spring is installed on the female plug-in, and the two sides of the U-shaped retaining spring are respectively inserted into the card groove.

[0004] As a preferred embodiment of the above technical solution, an insulating mounting seat is plugged in the plug-in chamber, a wire is connected to the thermistor, a plug is installed on the insulating mounting seat, and the wire is connected to the plug.

[0005] As a preferred embodiment of the above technical solution, a bending arrangement is provided in the middle of the plug-in tube to form a bending portion, and the shell is located between the female plug end and the bending portion.

[0006] As a preferred embodiment of the above technical solution, two reinforcing convex rings are provided on the plug-in tube, the lower end of the outer part is located between the two reinforcing convex rings and connected to the two reinforcing convex rings, and the reinforcing convex rings and the plug-in tube are integrally formed.

[0007] As a preferred embodiment of the above technical solution, a plurality of conical docking rings are sequentially provided on the outer side of the male plug.

[0008] The beneficial effects of the utility model are as follows: the integrated coolant temperature sensor of the utility model has the plug-in tube and the shell formed in one piece, has high structural strength, good sealing performance, is convenient for installation and connection of the temperature sensor, and has low manufacturing cost of the temperature sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model;

[0010] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model

[0011] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model from another angle. DETAILED DESCRIPTION

[0012] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0014] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0015] like Figure 1-3As shown, the integrated coolant temperature sensor includes a plug-in tube, one end of the plug-in tube is provided with a female plug end 1, the other end is provided with a male plug 2, a sensor is installed on the plug-in tube, the sensor includes a shell and a thermistor 3, the shell includes an outer tube part 4 and an inner tube part 5, the outer tube part is located outside the plug-in tube, the inner tube part 5 extends into the plug-in tube, the inner tube part 5 is provided with a thermistor installation chamber 6, the outer tube part 4 is provided with a plug-in chamber 7 connected to the thermistor installation chamber 6, and the upper end of the outer tube part 4 is provided with a connecting plug The female plug 1 has a socket 8 in the chamber 7, the thermistor 3 is located in the thermistor installation chamber 6, the housing and the plug-in tube are integrally formed, the female plug end 1 is provided with an annular groove 9 and an annular platform 10, a limit ring 11 and a sealing ring 12 are installed inside the female plug end 1, the outer side of the limit ring 11 is fixed in the annular groove 9, the sealing ring 12 is clamped between the limit ring 11 and the sealing ring 12, and the female plug end 1 is provided with a card groove 13 on both sides, and a U-shaped retaining ring 14 is installed on the female plug end 1, and the two sides of the U-shaped retaining ring 14 are respectively inserted into the card groove 13. The female plug end 1 improves the sealing performance of the connection with the pipeline through the internal sealing ring 12. The U-shaped retaining ring 14 is used to improve the stability of the connection with the pipeline. The plug-in tube and the inner part 5 of the pipe are integrally formed to ensure that the connection is completely sealed.

[0016] Furthermore, an insulating mounting seat 15 is plugged into the plug-in chamber 7, a wire is connected to the thermistor 3, a plug 16 is installed on the insulating mounting seat 15, and the wire is connected to the plug 16. The wire is made of a copper sheet 20, has a certain hardness, and can be tightly buried inside the insulating mounting seat 15. The insulating mounting seat 15 is installed inside the housing by epoxy resin to ensure sealing and facilitate the assembly of the entire temperature sensor. The wire uses a conductive rod with a certain hardness to avoid short circuit due to shaking of the two wires.

[0017] Furthermore, a bending arrangement is provided in the middle of the plug tube to form a bending portion 17 , and the housing is located between the female plug end 1 and the bending portion 17 .

[0018] Furthermore, the plug-in tube is provided with two reinforcing protruding rings 18, the lower end of the outer portion is located between the two reinforcing protruding rings 18 and connected to the two reinforcing protruding rings 18, and the reinforcing protruding rings 18 and the plug-in tube are integrally formed. The reinforcing protruding rings 18 improve the structural strength of the connection between the plug-in tube and the housing.

[0019] Furthermore, a plurality of conical docking rings 19 are sequentially arranged on the outer side of the male plug 2. The conical docking rings 19 facilitate the docking of the male plug 2 with the pipeline. A sealing ring or the like can be sleeved on the male plug 2, and can be sealed and connected with the pipeline using epoxy resin or the like.

[0020] It is worth mentioning that the technical features such as thermistors and U-shaped retaining springs involved in this utility model patent application should be regarded as prior art. The specific structure, working principle, and possible control method and spatial layout method of these technical features can be selected according to the conventional methods in the field, and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0021] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the utility model on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An integrated coolant temperature sensor, characterized in that: The invention comprises a plug-in tube, one end of which is provided with a female plug-in terminal, and the other end of which is provided with a male plug. A sensor is installed on the plug-in tube, and the sensor comprises a shell and a thermistor. The shell comprises an outer tube part and an inner tube part, the outer tube part is located outside the plug-in tube, and the inner tube part extends into the plug-in tube, the inner tube part is provided with a thermistor installation chamber, the outer tube part is provided with a plug-in chamber connected to the thermistor installation chamber, the upper end of the outer tube part is provided with a socket connected to the plug-in chamber, the thermistor is located in the thermistor installation chamber, the shell and the plug-in tube are integrally formed, an annular groove and an annular platform are provided inside the female plug-in terminal, a limit ring and a sealing ring are installed inside the female plug-in terminal, the outer side of the limit ring is fixed in the annular groove, the sealing ring is clamped between the limit ring and the sealing ring, and card grooves are respectively provided on both sides of the female plug-in terminal, and a U-shaped retaining spring is installed on the female plug-in terminal, and the two sides of the U-shaped retaining spring are respectively inserted into the card grooves.

2. The integrated coolant temperature sensor according to claim 1, characterized in that: An insulating mounting seat is plugged in the plug-in chamber, a wire is connected to the thermistor, a plug is installed on the insulating mounting seat, and the wire is connected to the plug.

3. The integrated coolant temperature sensor according to claim 2, characterized in that: The middle part of the plug tube is provided with a bending arrangement to form a bending portion, and the shell is located between the female plug end and the bending portion.

4. The integrated coolant temperature sensor according to claim 1, characterized in that: The plug-in tube is provided with two reinforcing convex rings, the lower end of the outer part is located between the two reinforcing convex rings and connected to the two reinforcing convex rings, and the reinforcing convex rings and the plug-in tube are integrally formed.

5. The integrated coolant temperature sensor according to claim 1, characterized in that: A plurality of conical docking rings are arranged in sequence on the outer side of the male plug.

Images