Automobile sensor with leakage-proof function
By installing leak-proof covers and sealing components on automotive sensors, combined with sponge shock-absorbing pads and thermally conductive silicone clamps, the problem of sensor damage is solved, achieving comprehensive sealing and shock absorption protection, and ensuring the safe and efficient operation of the sensors.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MAIDAO (ANHUI) PRECISION MANUFACTURING CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-05-15
AI Technical Summary
Automotive sensors are susceptible to damage from water and dust in the external environment during use, which can affect their safe operation.
A car sensor with leak-proof function was designed. By setting a leak-proof cover and sealing components on the sensor body, including annular protrusions, sealing rubber sleeves and annular pleats, combined with sponge shock-absorbing pads and thermally conductive silicone clamps, the sensor can be fully sealed and protected against shock.
It effectively prevents external water stains and dust from entering the sensor, reduces vibration damage, ensures safe use of the sensor and rapid heat dissipation, and improves the sensor's protection performance.
Smart Images

Figure CN224240930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive sensor installation technology, and more specifically to an automotive sensor with a leak-proof function. Background Technology
[0002] Automotive sensors are input devices for automotive computer systems. They convert various operating conditions of the vehicle, such as vehicle speed, temperature of various media, and engine operating conditions, into electrical signals and transmit them to the computer so that the engine can be in the best working condition.
[0003] When installing and using sensors, the external environment can cause water stains and dust to seep into the inside of the vehicle sensor, which can damage the sensor and affect its safe use.
[0004] In view of this, the present invention proposes an automotive sensor with a leak-proof function to solve this problem. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automotive sensor with a leak-proof function to solve the problems existing in the background art.
[0006] This utility model provides the following technical solution: a car sensor with a leak-proof function, including a base plate, a mounting seat fixedly installed on the upper surface of the base plate, an installation cavity opened in the inner wall of the mounting seat, the sensor body is placed inside the installation cavity, a leak-proof cover is threaded to the inner top of the mounting seat, and a leak-proof sealing component is provided on the surface of the leak-proof cover.
[0007] The leak-proof sealing assembly includes an annular protrusion fixedly installed on the lower surface of the leak-proof cover, and an annular groove is provided on the top of the mounting base, with the annular protrusion inserted into the interior of the annular groove;
[0008] The leak-proof sealing assembly also includes a cylinder fixedly installed at the central axis of the leak-proof cover. The detection end of the sensor body extends through the cylinder to the top of the leak-proof cover. A sealing rubber sleeve is fixedly installed on the inner wall of the cylinder. The inner ring wall of the sealing rubber sleeve is provided with several annular folds, and the annular folds abut against the surface of the sensing end of the sensor body.
[0009] Furthermore, the base plate has four mounting holes on its surface, which are arranged in a rectangular array at the four corners of the base plate.
[0010] As a further description of the above technical solution: by providing mounting holes, it is convenient to fix the base plate using external bolts.
[0011] Furthermore, the side wall of the mounting base is provided with a wire hole, and a cable is provided on the surface of the sensor body, with the cable passing through the inside of the wire hole.
[0012] As a further description of the above technical solution: by setting wire holes, it is convenient to install and lay cables on the surface of the sensor body.
[0013] Furthermore, a silicone ring is embedded in the inner wall of the wire hole, and the cable passes through the central hole of the silicone ring, with the cable abutting against the inner wall of the silicone ring.
[0014] As a further description of the above technical solution: by setting a silicone ring, the cable can be clamped, preventing external water stains from seeping into the sensor body surface along the cable and causing damage.
[0015] Furthermore, the inner bottom wall of the mounting base and the inner top wall of the leak-proof cover are both fixedly installed with sponge shock-absorbing pads, and the bottom end of the sensor body is respectively pressed against the surface of the two sponge shock-absorbing pads.
[0016] As a further description of the above technical solution: by setting up a sponge shock-absorbing pad, the sensor body can be protected against vertical shocks, reducing damage to the sensor body caused by external vibrations.
[0017] Furthermore, the inner wall of the mounting base is uniformly fitted with several thermally conductive silicone clamps, the outer wall of the sensor body abuts against the side of the thermally conductive silicone clamps away from the mounting base, and the outer wall of the mounting base is fitted with heat dissipation fins, one end of which extends into the interior of the thermally conductive silicone clamps.
[0018] As a further description of the above technical solution: by setting a thermally conductive silicone clamp, the sensor body can be clamped and fixed, reducing the damage to the sensor body caused by external horizontal vibration. The thermally conductive silicone clamp can also quickly absorb heat by adhering to the sensor body, and then conduct it to the outside through the heat dissipation fins, thereby achieving the purpose of rapid heat dissipation of the sensor body and ensuring the safe use of the sensor body.
[0019] Furthermore, the top of the leak-proof cover is threaded with a threaded set screw, and the top of the mounting base is provided with a positioning hole, with the threaded set screw locked inside the positioning hole.
[0020] As a further description of the above technical solution: by setting threaded set screws and positioning holes, after the leak-proof cover is screwed into the mounting base, the threaded set screws can be used to lock the leak-proof cover inside the positioning holes, thus preventing the leak-proof cover from loosening due to vibration.
[0021] The technical effects and advantages of this utility model are as follows:
[0022] 1. Compared with existing technologies, this leak-proof automotive sensor, when installed and used, has its main body installed inside the mounting base and leak-proof cover. The mounting base and leak-proof cover seal and protect the sensor body from leakage, thereby preventing water stains from the external environment from damaging the sensor body. After the leak-proof cover is installed, the annular protrusion is secured inside the annular groove, which improves the sealing between the leak-proof cover and the mounting base. The sealing rubber sleeve and annular pleats improve the sealing between the cylinder and the outer wall of the sensor body, thus achieving the purpose of comprehensive leak-proof protection for the main body of the sensor.
[0023] 2. Compared with existing technologies, this leak-proof automotive sensor features several advantages. First, it has mounting holes for easy fixing to the base plate with external bolts. Second, it has wire holes for easy cable installation on the sensor body surface. Third, it has silicone rings to clamp the cables, preventing water from seeping into the sensor body and causing damage. Fourth, it has sponge shock-absorbing pads for vertical shock absorption, reducing damage from external vibrations. Fifth, it has thermally conductive silicone clamps to secure the sensor body, reducing horizontal vibration damage and allowing for rapid heat absorption through the clamps, which is then conducted to the outside via heat sinks, ensuring safe operation. Sixth, it has threaded screws and positioning holes to lock the leak-proof cover in place after it is screwed onto the mounting base, preventing it from loosening due to vibration. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0025] Figure 2 This is a schematic diagram of the orthographic section of the present invention;
[0026] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;
[0027] Figure 4 This is a top-section structural diagram of the mounting base of this utility model.
[0028] The attached diagram is labeled as follows: 1. Base plate; 2. Mounting base; 3. Sensor body; 4. Leak-proof cover; 5. Annular protrusion; 6. Annular groove; 7. Cylinder; 8. Sealing rubber sleeve; 9. Annular pleat; 10. Mounting hole; 11. Cable; 12. Silicone ring; 13. Sponge shock-absorbing pad; 14. Thermally conductive silicone clamp; 15. Heat dissipation fins. Detailed Implementation
[0029] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The automotive sensor with leakage prevention function involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] Reference Figures 1 to 4 This utility model provides a car sensor with a leak-proof function, including a base plate 1. The surface of the base plate 1 has four mounting holes 10, which are arranged in a rectangular array at the four corners of the base plate 1.
[0031] The car sensor with leak-proof function is conveniently fixed to the base plate 1 by means of mounting holes 10.
[0032] A mounting base 2 is fixedly installed on the upper surface of the base plate 1. The inner wall of the mounting base 2 has a placement cavity. The sensor body 3 is placed inside the placement cavity. A wire hole is opened on the side wall of the mounting base 2. A cable 11 is provided on the surface of the sensor body 3. The cable 11 passes through the inside of the wire hole. A silicone ring 12 is embedded in the inner wall of the wire hole. The cable 11 passes through the center hole of the silicone ring 12 and abuts against the inner wall of the silicone ring 12.
[0033] By setting wire holes, it is convenient to install and lay cables 11 on the surface of the sensor body 3. By setting silicone rings 12, the cables 11 can be clamped to prevent external water stains from seeping into the surface of the sensor body 3 along the cables 11 and causing damage.
[0034] The inner top threaded connection of the mounting base 2 is provided with a leak-proof cover 4.
[0035] It is worth noting that when installing and using the car sensor with anti-leakage function, the sensor body 3 is installed inside the mounting base 2 and the anti-leakage cover 4. The mounting base 2 and the anti-leakage cover 4 are used to seal and protect the sensor body 3 from leakage, thereby preventing water stains in the external environment from damaging the sensor body 3.
[0036] The top of the leak-proof cover 4 is threaded with a threaded set screw 16, and the top of the mounting base 2 is provided with a positioning hole, in which the threaded set screw 16 is engaged.
[0037] By setting the threaded set screw 16 and the positioning hole, after the leak-proof cover 4 is screwed to the mounting base 2, the threaded set screw 16 can be inserted into the positioning hole to lock the leak-proof cover 4, thus preventing the leak-proof cover 4 from loosening due to vibration.
[0038] The surface of the leak-proof cover 4 is provided with a leak-proof sealing component.
[0039] The leak-proof sealing assembly includes an annular protrusion 5 fixedly installed on the lower surface of the leak-proof cover 4, and an annular groove 6 is provided on the top of the mounting base 2, with the annular protrusion 5 inserted into the annular groove 6.
[0040] The leak-proof sealing assembly also includes a cylinder 7 fixedly installed at the central axis of the leak-proof cover 4. The detection end of the sensor body 3 extends through the cylinder 7 to the top of the leak-proof cover 4. A sealing rubber sleeve 8 is fixedly installed on the inner wall of the cylinder 7. The inner ring wall of the sealing rubber sleeve 8 is provided with several annular folds 9. The annular folds 9 are pressed against the surface of the sensing end of the sensor body 3.
[0041] It is worth noting that after the leak-proof cover 4 is installed, the annular protrusion 5 is locked inside the annular groove 6, which can improve the sealing between the leak-proof cover 4 and the mounting base 2. The sealing rubber sleeve 8 and the annular pleats 9 can improve the sealing between the cylinder 7 and the outer wall of the sensor body 3, thereby achieving the purpose of providing comprehensive leak-proof protection for the main body of the sensor body 3.
[0042] Sponge shock-absorbing pads 13 are fixedly installed on the inner bottom wall of the mounting base 2 and the inner top wall of the leak-proof cover 4. The bottom end of the sensor body 3 and the bottom end are respectively pressed against the surfaces of the two sponge shock-absorbing pads 13.
[0043] It is worth noting that by setting the sponge shock-absorbing pad 13, the sensor body 3 can be protected against vertical shocks, reducing damage to the sensor body 3 caused by external vibrations.
[0044] The inner wall of the mounting base 2 is evenly fitted with several thermally conductive silicone clamps 14, and the outer wall of the sensor body 3 is pressed against the side of the thermally conductive silicone clamps 14 away from the mounting base 2.
[0045] It is worth noting that by setting the thermally conductive silicone clamp 14, the sensor body 3 can be clamped and fixed, reducing the damage to the sensor body 3 caused by external horizontal vibration.
[0046] The outer wall of the mounting base 2 is fitted with heat dissipation fins 15, one end of which extends into the interior of the thermally conductive silicone clamp 14.
[0047] Furthermore, by setting heat dissipation fins 15, the thermally conductive silicone clamp 14 can be attached to the sensor body 3 to quickly absorb heat, and then conduct it to the outside through the heat dissipation fins 15, thereby achieving the purpose of rapid heat dissipation of the sensor body 3 and ensuring the safe use of the sensor body 3.
[0048] Finally, it should be noted that the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
Claims
1. A car sensor with leak-proof function, comprising a base plate (1), characterized in that: The mounting base (2) is fixedly installed on the upper surface of the base plate (1). The inner wall of the mounting base (2) is provided with a placement cavity. The sensor body (3) is placed inside the placement cavity. The inner top of the mounting base (2) is threaded with a leak-proof cover (4). The surface of the leak-proof cover (4) is provided with a leak-proof sealing component. The leak-proof sealing assembly includes an annular protrusion (5) fixedly installed on the lower surface of the leak-proof cover (4), and an annular groove (6) is provided on the top of the mounting base (2), with the annular protrusion (5) inserted into the annular groove (6). The leak-proof sealing assembly also includes a cylinder (7) fixedly installed at the central axis of the leak-proof cover (4). The detection end of the sensor body (3) extends through the cylinder (7) to the top of the leak-proof cover (4). A sealing rubber sleeve (8) is fixedly installed on the inner wall of the cylinder (7). The inner ring wall of the sealing rubber sleeve (8) is provided with several annular folds (9). The annular folds (9) abut against the surface of the sensing end of the sensor body (3).
2. The automotive sensor with leak-proof function according to claim 1, characterized in that: The base plate (1) has four mounting holes (10) on its surface, and the four mounting holes (10) are arranged in a rectangular array at the four corners of the base plate (1).
3. The automotive sensor with leak-proof function according to claim 1, characterized in that: The mounting base (2) has a wire hole on its side wall, and a cable (11) is provided on the surface of the sensor body (3), with the cable (11) passing through the inside of the wire hole.
4. A car sensor with leak-proof function according to claim 3, characterized in that: A silicone ring (12) is embedded in the inner wall of the wire hole, and the cable (11) passes through the center hole of the silicone ring (12) and the cable (11) abuts against the inner wall of the silicone ring (12).
5. A car sensor with leak-proof function according to claim 1, characterized in that: The inner bottom wall of the mounting base (2) and the inner top wall of the leak-proof cover (4) are both fixedly installed with sponge shock-absorbing pads (13), and the bottom end of the sensor body (3) is pressed against the surface of the two sponge shock-absorbing pads (13).
6. A car sensor with leak-proof function according to claim 1, characterized in that: The inner wall of the mounting base (2) is uniformly fitted with several thermally conductive silicone clamps (14), and the outer wall of the sensor body (3) abuts against the side of the thermally conductive silicone clamps (14) away from the mounting base (2).
7. A car sensor with leak-proof function according to claim 6, characterized in that: The outer wall of the mounting base (2) is fitted with heat dissipation fins (15), one end of which extends into the interior of the thermally conductive silicone clamp (14).
8. A car sensor with leak-proof function according to claim 6, characterized in that: The top of the leak-proof cover (4) is threaded with a threaded set screw (16), and the top of the mounting base (2) is provided with a positioning hole, and the threaded set screw (16) is engaged inside the positioning hole.