A car water tank level sensor

Abstract

This utility model relates to the field of water level sensor technology and discloses a water level sensor for an automotive radiator, including a water level sensor body and a limiting plate. The limiting plate is integrally designed at one end of the connector of the water level sensor body. A mounting bracket is designed on the top of the water level sensor body, and a limiting mechanism is installed at one end of the mounting bracket. In this utility model, the technical solution works in conjunction with the mounting bracket. The limiting mechanism inside the mounting bracket uses the rebound force provided by a spring to control the positioning pin at one end of the movable plate to insert into the positioning hole at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the radiator. The design of the threaded rod and pressure plate can further improve the contact force between the limiting plate and the top of the radiator. In summary, this technical solution not only enhances the installation stability of the water level sensor, but also improves the service life of the water level sensor and reduces the replacement frequency of the water level sensor.

Description

Technical Field

[0001] This utility model relates to the field of water level sensor technology, and in particular to a water level sensor for an automotive water tank. Background Technology

[0002] A car's water level sensor is a component that detects the water level in the container by converting the change in capacitance between the sensor housing and the sensing electrode caused by water entering the container into a change in current.

[0003] Most existing automotive radiator level sensors are connected and fixed to the radiator via threads. This design not only has poor stability, but the threaded structure at the connection is also prone to corrosion and scaling. If the threaded structure is damaged, the radiator level sensor must be replaced, which greatly increases the cost of use.

[0004] Therefore, those skilled in the art have provided an automotive radiator level sensor to address the problems mentioned in the background section. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide a car radiator water level sensor. This solution is used in conjunction with a mounting bracket. The limiting mechanism inside the mounting bracket uses the rebound force provided by a spring to control the positioning pin at one end of the movable plate to insert into the positioning hole at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the radiator. The design of the threaded rod and pressure plate further improves the contact force between the limiting plate and the top of the radiator. In summary, this solution not only enhances the installation stability of the water level sensor but also increases its service life and reduces the replacement frequency.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A water level sensor for an automotive water tank includes a water level sensor body and a limiting plate. The limiting plate is integrally designed at one end of the connector of the water level sensor body. A mounting bracket is designed on the top of the water level sensor body, and a limiting mechanism is installed at one end of the mounting bracket.

[0008] The limiting mechanism includes a fixed column, a limiting spring, a movable plate, and a positioning column. The mounting frame has fixed grooves at both ends on one side. A fixed column is fixedly installed in the middle of the two fixed grooves. A limiting spring is sleeved on the outer end of the two fixed columns. A movable plate is slidably installed on the outer end of each fixed column. The movable plate on the same side is in contact with one end of the limiting spring. A positioning column is fixedly installed on one end of the two movable plates. Positioning holes are opened on both sides of the top of the water level sensor body.

[0009] Through the above technical solution, this technical solution is used in conjunction with a mounting bracket. The limiting mechanism inside the mounting bracket uses the rebound force provided by the spring to control the positioning pin at one end of the movable plate to insert into the positioning hole at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the water tank. In summary, this technical solution not only enhances the installation stability of the water level sensor, but also improves the service life of the water level sensor and reduces the replacement frequency of the water level sensor.

[0010] Furthermore, a movable groove is provided on the inner side of the end of the mounting bracket away from the limiting mechanism, and a threaded rod is rotatably provided inside the movable groove, with a pressure plate threaded onto the outer end of the threaded rod;

[0011] By using the above technical solution, the pressure plate is moved downwards and fits against the limiting plate by rotating the threaded rod, thereby further improving the adhesion between the limiting plate and the top of the water tank.

[0012] Furthermore, mounting plates are integrally provided on the bottom of each of the four sides of the mounting frame, and mounting bolts are installed in the middle of each mounting plate;

[0013] With the above technical solution, mounting plates are integrally installed on the bottom of all four sides of the mounting frame, and mounting bolts are installed in the middle of each mounting plate to facilitate the installation and disassembly of the mounting frame.

[0014] Furthermore, a push block is integrally provided at the top of one end of each of the two movable plates, and the diameter of each positioning post is adapted to the positioning hole.

[0015] With the above technical solution, a push block is integrally set on the top of one end of each of the two movable plates to facilitate the movement of the movable plates and the movement of the positioning pins out of the positioning holes. The diameter of each positioning pin is matched with that of the positioning hole to facilitate the insertion and positioning of the positioning pins and the positioning holes.

[0016] Furthermore, a set of sealing rings is fitted on the outside of the connector of the water level sensor body, and each sealing ring is made of ethylene propylene rubber;

[0017] The above technical solution involves installing a sealing ring on the outside of the connector of the water level sensor body to ensure the sealing of the connection between the water level sensor body and the water tank. Ethylene propylene rubber has good weather resistance, water resistance and chemical resistance, making it suitable for long-term aquatic environments.

[0018] Furthermore, an adjusting turntable is fixedly provided at the top of the threaded rod;

[0019] The above technical solution involves fixing an adjustment turntable at the top of the threaded rod to facilitate rotation of the threaded rod.

[0020] Furthermore, the diameter of the limiting disc is larger than the diameter of the connector of the water level sensor body;

[0021] The above technical solution allows the limiting plate to have a diameter larger than the connector of the water level sensor body, which facilitates limiting and supporting the insertion position of the water level sensor body.

[0022] This utility model has the following beneficial effects:

[0023] 1. This utility model proposes a car water tank level sensor. This technical solution is used in conjunction with a mounting bracket. The limiting mechanism inside the mounting bracket uses the rebound force provided by the spring to control the positioning pin at one end of the movable plate to insert into the positioning hole at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the water tank. The design of the threaded rod and pressure plate can further improve the contact force between the limiting plate and the top of the water tank. In summary, this technical solution not only enhances the installation stability of the water level sensor, but also improves the service life of the water level sensor and reduces the replacement frequency of the water level sensor. Attached Figure Description

[0024] Figure 1 This is an isometric view of a car water tank level sensor proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of an automotive water tank level sensor proposed in this utility model;

[0026] Figure 3 This is a cross-sectional view of a car water tank level sensor proposed in this utility model;

[0027] Figure 4 This is an isometric view of a limiting mechanism for a car water tank level sensor proposed in this utility model;

[0028] Figure 5 This is an isometric view of the pressure plate of a car water tank level sensor proposed in this utility model.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Water level sensor body; 2. Mounting bracket; 3. Limiting plate; 4. Limiting mechanism; 5. Fixing groove; 6. Fixing column; 7. Limiting spring; 8. Movable plate; 9. Positioning column; 10. Push block; 11. Positioning hole; 12. Sealing ring; 13. Movable groove; 14. Threaded rod; 15. Pressure plate; 16. Adjusting turntable; 17. Mounting plate; 18. Mounting bolt. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Reference Figure 1-5 This utility model provides a specific implementation method:

[0033] A water level sensor for an automotive water tank includes a water level sensor body 1 and a limiting plate 3. The limiting plate 3 is integrated into one end of the connector of the water level sensor body 1. A mounting bracket 2 is designed on the top of the water level sensor body 1, and a limiting mechanism 4 is installed on one end of the mounting bracket 2.

[0034] The limiting mechanism 4 includes a fixed column 6, a limiting spring 7, a movable plate 8, and a positioning column 9. The mounting frame 2 has fixed grooves 5 at both ends on one side. A fixed column 6 is fixedly installed in the middle of each of the two fixed grooves 5. A limiting spring 7 is fitted onto the outer end of each of the two fixed columns 6. A movable plate 8 is slidably installed on the outer end of each fixed column 6. The movable plate 8 on the same side is in contact with one end of the limiting spring 7. A positioning column 9 is fixedly installed at one end of each of the two movable plates 8. Positioning holes 11 are opened on both sides of the top of the water level sensor body 1. This technical solution works in conjunction with the mounting frame 2. The limiting mechanism 4 inside the mounting frame 2 uses the rebound force provided by the spring to control the positioning column 9 at one end of the movable plate 8 to insert into the positioning hole 11 at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the water tank. In summary, this technical solution not only enhances the installation stability of the water level sensor but also improves its service life and reduces the replacement frequency.

[0035] The mounting bracket 2 has a movable groove 13 on its inner side at the end furthest from the limiting mechanism 4. A threaded rod 14 is rotatably mounted inside the movable groove 13. A pressure plate 15 is threaded onto the outer end of the threaded rod 14. Rotating the threaded rod 14 controls the pressure plate 15 to move downwards and engage with the limiting plate 3, thereby further improving the contact force between the limiting plate 3 and the top of the water tank. Mounting plates 17 are integrally mounted on the bottom of all four sides of the mounting bracket 2. Each mounting plate 17 has a mounting bolt 18 installed in the middle, facilitating the installation and disassembly of the mounting bracket 2. Push blocks 10 are integrally mounted on the top of one end of each of the two movable plates 8. The diameter of each positioning post 9 matches the diameter of the positioning hole 11. Push blocks 10 are integrally mounted on the top of one end of each of the two movable plates 8 to facilitate pushing the movable plates 8 to their designated positions. Positioning pins 9 are moved out of positioning holes 11. The diameter of each positioning pin 9 is adapted to the positioning hole 11 to facilitate insertion and positioning of the positioning pin 9 and positioning hole 11. A set of sealing rings 12 are sleeved on the outside of the connector of the water level sensor body 1. Each sealing ring 12 is made of ethylene propylene rubber. The sealing rings 12 on the outside of the connector of the water level sensor body 1 can ensure the sealing of the connection between the water level sensor body 1 and the water tank. Ethylene propylene rubber has good weather resistance, water resistance and chemical resistance, and is suitable for long-term water environment. An adjusting turntable 16 is fixedly installed on the top of the threaded rod 14 to facilitate rotation of the threaded rod 14. The diameter of the limiting plate 3 is larger than the diameter of the connector of the water level sensor body 1. The larger diameter of the limiting plate 3 is larger than the diameter of the connector of the water level sensor body 1 to facilitate limiting and supporting the insertion position of the water level sensor body 1.

[0036] Working Principle: This technical solution works in conjunction with the mounting bracket 2. The limiting mechanism 4 inside the mounting bracket 2 uses the rebound force provided by the spring to control the positioning post 9 at one end of the movable plate 8 to insert into the positioning hole 11 at the top of the water level sensor, thereby limiting and fixing the water level sensor inserted into the water tank. The design of the threaded rod 14 and the pressure plate 15 can further improve the contact force between the limiting plate 3 and the top of the water tank. In summary, this technical solution not only enhances the installation stability of the water level sensor, but also improves the service life of the water level sensor and reduces the replacement frequency of the water level sensor. By rotating the threaded rod 14, the pressure plate 15 is controlled to move downward and contact the limiting plate 3, thereby further improving the contact force between the limiting plate 3 and the top of the water tank. A push block 10 is integrally set at the top of one end of each of the two movable plates 8 to facilitate pushing the movable plate 8 to move the positioning post 9 out of the positioning hole 11. The diameter of each positioning post 9 and the positioning hole 11 are matched to facilitate the insertion and limiting of the positioning post 9 and the positioning hole 11.

[0037] The following points should be noted in this article:

[0038] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0039] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automobile water tank water level sensor comprising a water level sensor body (1) and a limit disc (3), characterized in that: The limiting disc (3) is integrally designed at the plug end of the water level sensor body (1), the top of the water level sensor body (1) is matched with a mounting rack (2), one end of the mounting rack (2) is provided with a limiting mechanism (4); The limiting mechanism (4) comprises a fixed column (6), a limiting spring (7), a movable plate (8) and a positioning column (9), both ends of one side of the mounting rack (2) are provided with a fixed groove (5), the middle part of the two fixed grooves (5) is fixedly provided with a fixed column (6), the outer end of the two fixed columns (6) is sleeved with a limiting spring (7), the outer end of each fixed column (6) is slidably provided with a movable plate (8), the movable plate (8) and one end of the limiting spring (7) on the same side are attached, one end of the two movable plates (8) is fixedly provided with a positioning column (9), and the top of the water level sensor body (1) is provided with a positioning hole (11) on both sides.

2. The water level sensor for an automobile water tank according to claim 1, characterized in that: The inner side of one end of the mounting rack (2) away from the limiting mechanism (4) is provided with a movable slot (13), the inside of the movable slot (13) is rotatably provided with a threaded rod (14), and the outer end of the threaded rod (14) is threadedly sleeved with a pressing plate (15).

3. The water level sensor for an automobile water tank according to claim 1, characterized in that: The mounting rack (2) is integrally provided with a mounting plate (17) on the bottom of each side, and the mounting plate (17) is integrally provided with a mounting plate (17) on the bottom of each side.

4. The water level sensor for an automobile water tank according to claim 1, characterized in that: The top of one end of the two movable plates (8) is integrally provided with a push block (10), and the diameter of each positioning column (9) and the positioning hole (11) is matched.

5. The water level sensor for an automobile water tank according to claim 1, characterized in that: The plug of the water level sensor body (1) is sleeved with a group of sealing rings (12), and each sealing ring (12) is made of ethylene-propylene rubber.

6. The water level sensor for an automobile water tank according to claim 2, characterized in that: The top of the threaded rod (14) is fixedly provided with an adjusting turntable (16).

7. The water level sensor for an automobile water tank according to claim 1, characterized in that: The diameter of the limiting disc (3) is greater than the diameter of the plug of the water level sensor body (1).

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