Riveting type cooling liquid temperature sensor

Abstract

The utility model discloses a riveting type cooling liquid temperature sensor, which comprises a metal bottom shell, a plastic piece and a thermistor, the plastic piece is provided with an inserting section and a riveting section, the metal bottom shell is sequentially provided with a riveting part, an inserting part and a sensing part, a supporting table is formed between the inserting part and the riveting part, the outside of the riveting part is fixedly sleeved with a hexagon nut, and the outside of the riveting part is sleeved with a nut. The upper end of the riveting part is riveted and bent inwards and then clings to the upper end of the riveting section, the thermistor is located in the induction part, the upper end of the plastic part is provided with a plugging groove, a copper sheet is fixedly arranged in the plastic part, and the upper end of the copper sheet extends into the plugging groove to form a conductive plug. The lower end of the copper sheet extends into the plugging part, and the thermistor is connected with the lower end of the copper sheet through a conductive rod. The riveting type cooling liquid temperature sensor is assembled in a riveting mode, and the assembling efficiency of the temperature sensor is improved. The riveted cooling liquid temperature sensor is high in structural strength and long in service life.

Description

Technical Field

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

[0002] The coolant temperature sensor monitors the temperature of the coolant in real time. Existing coolant temperature sensors are generally assembled by threaded connection and other methods. The components that make up the temperature sensor are complex in structure and difficult to process. The assembled temperature sensor is prone to loosening, which affects the service life of the temperature sensor. Utility Model Content

[0003] In order to solve the above technical problems, the technical solution adopted by the utility model is: a riveted coolant temperature sensor, including a metal bottom shell, a plastic part and a thermistor, the plastic part is provided with a plug-in section and a riveted section, the diameter of the plug-in section is smaller than the diameter of the riveted section, the metal bottom shell is sequentially provided with a riveted portion, a plug-in portion and a sensing portion, the diameter of the plug-in portion is smaller than the diameter of the riveted portion, a support platform is formed between the plug-in portion and the riveted portion, a hexagonal nut is fixedly sleeved on the outer side of the riveted portion, the plug-in section is inserted into the plug-in portion, the riveted section is inserted into the riveted portion, the upper end of the riveted portion is riveted inwardly and bent to be tightly against the upper end of the riveted section, the thermistor is located inside the sensing portion, a plug-in slot is provided at the upper end of the plastic part, a copper sheet is fixedly provided inside the plastic part, the upper end of the copper sheet extends into the plug-in slot to form a conductive plug, the lower end of the copper sheet extends into the interior of the plug-in portion, and the thermistor is connected to the lower end of the copper sheet through a conductive rod.

[0004] As a preferred embodiment of the above technical solution, a sealing ring is provided between the riveted section and the support platform, and the sealing ring is sleeved on the plastic part.

[0005] As a preferred embodiment of the above technical solution, a plurality of notches are provided on the copper sheet, and a card block that fits into the notches is provided inside the plastic part, and the card block and the plastic part are integrally formed.

[0006] As a preferred embodiment of the above technical solution, an insulating barrier sheet is provided between adjacent conductive rods, the upper end of the insulating barrier sheet is fixedly connected to the plastic part, the lower end of the insulating barrier sheet is provided with a receiving groove for receiving the thermistor, and the insulating barrier sheet and the plastic part are integrally formed.

[0007] As a preferred embodiment of the above technical solution, a sealing ring fixing groove is provided on the outer side of the plug-in portion, and a sealing ring is provided in the sealing ring fixing groove.

[0008] As a preferred embodiment of the above technical solution, the metal bottom shell is made of copper, and the hexagonal nut and the metal bottom shell are integrally formed.

[0009] The beneficial effects of the utility model are as follows: the riveted coolant temperature sensor of the utility model is assembled by riveting, which improves the assembly efficiency of the temperature sensor. The riveted coolant temperature sensor has high structural strength and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model. 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 1-2As shown, the riveted coolant temperature sensor includes a metal bottom shell 1, a plastic part 2 and a thermistor 3. The plastic part 2 is provided with a plug section 4 and a riveted section 5. The diameter of the plug section 4 is smaller than the diameter of the riveted section 5. The metal bottom shell 1 is provided with a riveted portion 6, a plug section 7 and a sensing portion 8 in sequence. The diameter of the plug section 7 is smaller than the diameter of the riveted portion 6. A support platform 9 is formed between the plug section 7 and the riveted portion 6. The outer side of the riveted portion 6 is fixedly sleeved with a hexagonal nut 1 0, the plug-in section 4 is inserted into the plug-in part 7, the riveted section 5 is inserted into the riveted part 6, the upper end of the riveted part 6 is riveted inward and bent to fit closely against the upper end of the riveted section 5, the thermistor 3 is located inside the sensing part 8, the upper end of the plastic part 2 is provided with a plug-in slot 11, a copper sheet is fixed inside the plastic part 2, the upper end of the copper sheet extends into the plug-in slot 11 to form a conductive plug 12, the lower end of the copper sheet extends into the inside of the plug-in part 7, and the thermistor 3 is connected to the lower end of the copper sheet through a conductive rod 13. The metal bottom shell 1 and the plastic part 2 are assembled by riveting. An external thread can be provided at the plug-in part 7, and the entire temperature sensor is driven to rotate through the hexagonal nut 10 for easy installation.

[0016] Furthermore, a sealing ring 14 is provided between the riveted section 5 and the support platform 9, and the sealing ring 14 is sleeved on the plastic part 2. The sealing ring 14 improves the sealing performance of the connection between the metal bottom shell 1 and the plastic part 2.

[0017] Furthermore, the copper sheet is provided with a plurality of notches (not shown in the drawings), and a card block is provided inside the plastic part 2 to fit into the notches, and the card block and the plastic part 2 are integrally formed. In this way, the copper sheet can be tightly embedded inside the plastic part 2.

[0018] Furthermore, an insulating barrier sheet 15 is provided between adjacent conductive rods 13, the upper end of the insulating barrier sheet 15 is fixedly connected to the plastic part 2, the lower end of the insulating barrier sheet 15 is provided with a receiving groove 16 for receiving the thermistor 3, and the insulating barrier sheet 15 is integrally formed with the plastic part 2. The insulating barrier sheet 15 prevents the conductive rods 13 from contacting each other and forming a short circuit due to shaking.

[0019] Furthermore, a sealing ring fixing groove 17 is provided on the outer side of the plug-in portion 7, and a sealing ring 18 is provided in the sealing ring fixing groove 17. When the plug-in portion 7 is inserted into a position where a temperature sensor needs to be installed, the sealing ring 18 prevents leakage at the installation position.

[0020] Furthermore, the metal bottom shell 1 is made of copper, and the hexagonal nut 10 is integrally formed with the metal bottom shell 1. The metal bottom shell 1 made of copper has good thermal conductivity, so that the thermistor 3 can sense temperature changes in time.

[0021] It is worth mentioning that the technical features such as thermistors 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.

[0022] 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. Riveted coolant temperature sensor, characterized in that: It includes a metal bottom shell, a plastic part and a thermistor. The plastic part is provided with a plug-in section and a riveted section. The diameter of the plug-in section is smaller than the diameter of the riveted section. The metal bottom shell is sequentially provided with a riveted part, a plug-in part and a sensing part. The diameter of the plug-in part is smaller than the diameter of the riveted part. A support platform is formed between the plug-in part and the riveted part. A hexagonal nut is fixedly sleeved on the outer side of the riveted part. The plug-in section is inserted into the plug-in part, and the riveted section is inserted into the riveted part. The upper end of the riveted part is riveted inwardly and bent to be tightly attached to the upper end of the riveted section. The thermistor is located inside the sensing part. A plug-in slot is provided at the upper end of the plastic part. A copper sheet is fixed inside the plastic part. The upper end of the copper sheet extends into the plug-in slot to form a conductive plug. The lower end of the copper sheet extends into the inside of the plug-in part. The thermistor is connected to the lower end of the copper sheet through a conductive rod.

2. The riveted coolant temperature sensor according to claim 1, characterized in that: A sealing ring is arranged between the riveting section and the supporting platform, and the sealing ring is sleeved on the plastic part.

3. The riveted coolant temperature sensor according to claim 1, characterized in that: The copper sheet is provided with a plurality of notches, and a clamping block inserted into the notches is provided inside the plastic part, and the clamping block and the plastic part are integrally formed.

4. The riveted coolant temperature sensor according to claim 3, characterized in that: An insulating barrier sheet is provided between adjacent conductive rods, the upper end of the insulating barrier sheet is fixedly connected to the plastic part, the lower end of the insulating barrier sheet is provided with a receiving groove for receiving the thermistor, and the insulating barrier sheet and the plastic part are integrally formed.

5. The riveted coolant temperature sensor according to claim 1, characterized in that: A sealing ring fixing groove is arranged on the outer side of the plug-in portion, and a sealing ring is arranged in the sealing ring fixing groove.

6. The riveted coolant temperature sensor according to claim 1, characterized in that: The metal bottom shell is made of copper, and the hexagonal nut and the metal bottom shell are integrally formed.

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