A vehicle sensor mounting structure

Abstract

This utility model relates to the technical field of vehicle sensors, and in particular to a vehicle sensor mounting structure, comprising: a fixing plate with a hole on its side; a speed sensor inserted into the hole; a cylindrical body disposed on one side of the fixing plate; a pipe fixedly connected to the outside of the cylindrical body; a valve disposed on the pipe; a pressure monitoring device disposed on the cylindrical body; a plate threadedly connected to the inside of the cylindrical body; and one end of the speed sensor penetrating through the plate. In use, one end of the speed sensor is first inserted into the hole, and the plate and the cylindrical body are fixed by a threaded connection and pressed against the speed sensor to limit its position. An external negative pressure device is used to draw the inside of the cylindrical body to a negative pressure state, and the pressure monitoring device continuously monitors the pressure. If the pressure changes, it indicates a leak; if the pressure does not change, it indicates a complete seal, thus preventing dust from entering the speed sensor.

Description

Technical Field

[0001] This utility model relates to the field of vehicle sensor technology, and in particular to a vehicle sensor mounting structure. Background Technology

[0002] As the information source for automotive electronic control systems, the vehicle speed sensor is a key component and a core research area in the field of automotive electronics. It detects the vehicle's speed, and the control computer uses this input signal to control engine idle speed, automatic transmission torque converter lock-up, automatic transmission shifting, engine cooling fan operation, cruise control, and other functions. A mounting structure is required when installing the vehicle speed sensor.

[0003] Currently, most vehicle speed sensors on the market are in an exposed state. If dust enters the speed sensor, it can easily damage or malfunction the precision sensor, reducing its service life. In related technologies, the speed sensor body is installed inside the fixed cylinder, and then the cap is closed. The retaining ring slides to the outside of the cap and abuts against the protrusion through the elastic force of the spring telescopic rod, thus limiting the cap and quickly completing the installation of the speed sensor body. The cooperation between the cap and the fixed cylinder can effectively prevent dust from entering. However, in actual use, the speed sensor is limited by the spring's rebound force alone, which cannot achieve a locking mechanism, resulting in poor stability and inconvenience in use. Utility Model Content

[0004] The purpose of this invention is to provide a vehicle sensor mounting structure to solve the problems mentioned in the background art.

[0005] The technical solution adopted in this utility model is:

[0006] A vehicle sensor mounting structure includes: a fixing plate with a hole on its side; a speed sensor inserted into the hole; a cylindrical body disposed on one side of the fixing plate; a pipe fixedly connected to the outside of the cylindrical body; a valve disposed on the pipe; a pressure monitoring device disposed on the cylindrical body; a plate threadedly connected to the inside of the cylindrical body, with one end of the speed sensor penetrating through the plate; a second cylindrical body fixedly connected to one side of the plate, with one side of the second cylindrical body abutting against the speed sensor; a first sealing ring fixedly connected to the hole; a second sealing ring fixedly connected to the inside of the plate, with one end of the speed sensor penetrating through the first sealing ring and the other end of the speed sensor penetrating through the second sealing ring.

[0007] Optionally, both the first sealing ring and the second sealing ring have chamfers.

[0008] Optionally, the fixing plate has a groove on its side, and a cylinder is threadedly connected to the groove. One side of the cylinder is fixedly connected to one side of the cylinder. A sealing ring is provided in the groove, and the sealing ring abuts against the cylinder.

[0009] Optionally, the sealing ring three has a chamfer.

[0010] Optionally, a cylinder four is fixedly connected to the side of the hole body, and the outer side of the cylinder one is closely attached to the inner side of the cylinder four.

[0011] Optionally, the width of the cylinder is less than half the length of the speed sensor.

[0012] Optionally, both the outer sides of the cylinder and the plate are provided with anti-slip textures.

[0013] Optionally, the width of the groove is greater than the thickness of the cylinder.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. When using this vehicle sensor installation structure, first insert one end of the speed sensor into the hole. The plate and the cylinder are fixed by a threaded connection and pressed against the speed sensor to limit its position. Then, by connecting an external negative pressure device, the inside of the cylinder is drawn to a negative pressure state. The pressure monitoring device continuously monitors the pressure. If the pressure changes, it indicates that there is a leakage problem. If the pressure does not change, it indicates that it is completely sealed, thus preventing dust from entering the speed sensor.

[0016] 2. When using this vehicle sensor mounting structure, sealing ring one is tightly attached to the outer side of one end of the speed sensor to ensure sealing, and sealing ring two is tightly attached to the outer side of the other end of the speed sensor to also ensure sealing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 This is a schematic diagram of the internal structure of the fixing plate in this application;

[0020] Figure 3 This is a schematic diagram of the installation position of cylinder three in this application.

[0021] Figure label:

[0022] 10. Fixing plate; 11. Hole; 12. Speed ​​sensor;

[0023] 20. Cylinder Body 1; 21. Pipe Body; 22. Valve; 23. Pressure Monitoring Equipment; 24. Cylinder Body 2; 25. Plate Body; 26. Tank Body;

[0024] 30. Sealing ring one; 31. Sealing ring two; 32. Sealing ring three;

[0025] 40. Cylinder Three; 41. Cylinder Four;

[0026] 50. Chamfer. Detailed Implementation

[0027] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] In current technology, the speed sensor body is installed inside the fixed cylinder and then the cap is closed. The retaining ring slides to the outside of the cap and abuts against the protruding layer by the elastic force of the spring telescopic rod, thus limiting the cap and quickly completing the installation of the speed sensor body. The cooperation between the cap and the fixed cylinder can effectively prevent dust from entering. However, in actual use, the speed sensor is limited by the spring's rebound force, which cannot achieve a tight lock, resulting in poor stability and inconvenience in use.

[0030] like Figure 1-3As shown, this utility model embodiment provides a vehicle sensor mounting structure, including: a fixing plate 10 with a hole 11 on its side; a speed sensor 12 inserted into the hole 11; a cylindrical body 20 disposed on one side of the fixing plate 10; a pipe 21 fixedly connected to the outside of the cylindrical body 20; a valve 22 disposed on the pipe 21; a pressure monitoring device 23 disposed on the cylindrical body 20; a plate 25 threadedly connected to the inside of the cylindrical body 20, with one end of the speed sensor 12 penetrating through the plate 25; a second cylindrical body 24 fixedly connected to one side of the plate 25, with one side of the second cylindrical body 24 abutting against the speed sensor 12; a first sealing ring 30 fixedly connected inside the hole 11; a second sealing ring 31 fixedly connected to the inside of the plate 25, with one end of the speed sensor 12 penetrating through the first sealing ring 30 and the other end of the speed sensor 12 penetrating through the second sealing ring 31.

[0031] Before installation, insert one end of the speed sensor 12 into the hole 11, and then pass the other end of the speed sensor 12 through the plate 25. Rotate the plate 25 to fix it to the cylinder 20 by threaded connection. While rotating the plate 25, move the cylinder 24 until it is pressed against one side of the speed sensor 12. Then, rotate the valve 22 to connect the inside of the cylinder 20 to the outside through the pipe 21. Use an external negative pressure device to draw the inside of the cylinder 20 to a negative pressure state. Then close the valve 22 and remove the negative pressure device. At this time, the pressure monitoring device 23 continuously monitors the inside of the cylinder 20. If the pressure changes, it indicates that there is a leak. If the pressure does not change, it indicates that it is completely sealed, thus preventing dust from entering the speed sensor 12. Finally, fix the fixing plate 10 in the designated position with bolts, and then monitor the vehicle speed through the speed sensor 12.

[0032] The sealing ring 30 is tightly attached to the outer side of one end of the speed sensor 12 to ensure a tight seal, and the sealing ring 31 is tightly attached to the outer side of the other end of the speed sensor 12, which also serves to ensure a tight seal.

[0033] Specifically, the negative pressure device is an air pump. The air pump is connected to the pipe body 21 through a pipe to draw the inside of the cylinder 20 to a negative pressure. This is existing technology, so it will not be described in detail (the air pump is not shown in the figure).

[0034] Specifically, pressure monitoring device 23 is an intelligent pressure gauge, which is existing technology. For example, it detects pressure through a built-in sensor (such as a Bourdon tube). When liquid or gas enters the pressure gauge, the pressure causes the Bourdon tube to elastically deform, changing its cross-section from an ellipse to a circle, producing a linear displacement. This displacement is amplified by a linkage and gear set, and converted into the rotation of a pointer on the dial, thus displaying the real-time pressure value. The monitoring process requires no external power supply; a purely mechanical structure can achieve accurate readings. It can also achieve alarm control through preset thresholds. For example, users can customize the pressure upper limit (e.g., 150 kPa). When the detected pressure exceeds this value, the internal output signal line (e.g., NPN type) triggers an external alarm device. The wiring method requires connecting the positive, negative, and signal lines (black and white wires), and connecting an external alarm light or controller. After the air pressure exceeds the limit, the signal output drives the alarm light to illuminate or other response actions. Some models also support adjusting the range and unit via a setting key to ensure that the alarm threshold matches the real-time monitoring data. This mechanism combines mechanical reliability with electronic intelligence and is suitable for the safety protection of industrial pipelines or equipment. The above descriptions are all existing technologies and will not be elaborated further.

[0035] Furthermore, both the first sealing ring 30 and the second sealing ring 31 are provided with chamfers 50 to facilitate the insertion and passage of both ends of the speed sensor 12 through the first sealing ring 30 and the second sealing ring 31, respectively.

[0036] Furthermore, a groove 26 is provided on the side of the fixing plate 10, and a cylinder 40 is threadedly connected to the groove 26. One side of the cylinder 20 is fixedly connected to one side of the cylinder 40. A sealing ring 32 is provided in the groove 26, and the sealing ring 32 abuts against the cylinder 40.

[0037] When it is necessary to disassemble and maintain the cylinder 20 and its structure, rotate the cylinder 20 to make the cylinder 40 rotate inside the groove 26. Then, through the threaded connection between the cylinder 40 and the inside of the groove 26, the cylinder 40 is deeply inserted into the groove 26 when the cylinder 20 is rotated in the forward direction. When the cylinder 20 is rotated in the reverse direction, the cylinder 40 slides out of the groove 26, thus achieving disassembly. At the same time as the cylinder 40 is inserted into the groove 26, it comes into contact with the sealing ring 32, which improves the sealing effect.

[0038] Furthermore, the sealing ring 32 has a chamfer 50, so that after the cylinder 40 contacts the sealing ring 32, the cylinder 20 continues to rotate, causing the cylinder 40 to continue to squeeze the sealing ring 32, causing the sealing ring 32 to deform and fit more tightly with the groove 26 and the cylinder 40, thereby improving the sealing effect.

[0039] Furthermore, a cylinder 41 is fixedly connected to the side of the hole 11, and the outer side of the cylinder 20 is close to the inner side of the cylinder 41, so that the cylinder 41 limits the cylinder 20 and facilitates the insertion of the cylinder 40 into the groove 26.

[0040] Furthermore, the width of the cylinder 20 is less than half the length of the speed sensor 12, which facilitates the connection between the plate 25 and the cylinder 20 via threads, allowing them to abut against the speed sensor 12.

[0041] Furthermore, both the outer sides of the cylinder 20 and the plate 25 are provided with anti-slip textures, which provide an anti-slip effect when the cylinder 20 and the plate 25 are rotated.

[0042] Furthermore, the width of the groove 26 is greater than the thickness of the cylinder 3 40, which facilitates the insertion of the cylinder 3 40 into the groove 26.

[0043] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A vehicle sensor mounting structure, characterized in that, include: A fixing plate (10) has a hole (11) on its side. The speed sensor (12) is inserted into the hole (11). One cylinder (20) is disposed on one side of the fixed plate (10); The tube body (21) is fixedly connected to the outside of the cylinder body (20); A valve (22) is provided on the pipe body (21); A pressure monitoring device (23) is installed on the cylinder (20); The plate (25) is threaded to the inner side of the cylinder (20), and one end of the speed sensor (12) passes through the plate (25). The second cylinder (24) is fixedly connected to one side of the plate (25), and one side of the second cylinder (24) abuts against the speed sensor (12); A sealing ring (30) is fixedly connected inside the hole (11); The second sealing ring (31) is fixedly connected to the inner side of the plate (25). One end of the speed sensor (12) passes through the first sealing ring (30), and the other end of the speed sensor (12) passes through the second sealing ring (31).

2. The vehicle sensor mounting structure according to claim 1, characterized in that, Both the first sealing ring (30) and the second sealing ring (31) have chamfers (50).

3. The vehicle sensor mounting structure according to claim 1, characterized in that, The fixed plate (10) has a groove (26) on its side. A cylinder (40) is threadedly connected to the groove (26). One side of the cylinder (20) is fixedly connected to one side of the cylinder (40). A sealing ring (32) is provided in the groove (26). The sealing ring (32) abuts against the cylinder (40).

4. The vehicle sensor mounting structure according to claim 3, characterized in that, The sealing ring 3 (32) has a chamfer (50).

5. A vehicle sensor mounting structure according to claim 3, characterized in that, The side of the hole (11) is fixedly connected to the cylinder four (41), and the outer side of the cylinder one (20) is close to the inner side of the cylinder four (41).

6. The vehicle sensor mounting structure according to claim 1, characterized in that, The width of the cylinder (20) is less than half the length of the speed sensor (12).

7. The vehicle sensor mounting structure according to claim 1, characterized in that, Both the outer sides of the cylinder (20) and the plate (25) are provided with anti-slip texture.

8. A vehicle sensor mounting structure according to claim 3, characterized in that, The width of the trough (26) is greater than the thickness of the cylinder (40).

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