Wheel speed sensor with protection mechanism

Abstract

The utility model relates to the field of wheel speed sensor equipment, in particular to a wheel speed sensor with a protection mechanism, which comprises a wheel speed sensor body, a protection assembly and a mounting assembly, a cable is arranged at one end of the wheel speed sensor body, a polar shaft is arranged in the wheel speed sensor body and penetrates through the bottom of the protection assembly, and a gear ring is arranged below the polar shaft; the protection assembly is clamped with the wheel speed sensor body, the wheel speed sensor body is located in the protection assembly, and the protection assembly comprises a first protection shell and a second protection shell; the mounting assembly is arranged on the protection assembly and comprises a fixing mechanism used for fixing the protection assembly and a positioning mechanism used for limiting the fixing mechanism. The first protective shell and the second protective shell can increase sealing protection and can prevent water and dust from entering the wheel speed sensor body, so that corrosion and abrasion are prevented, and the service life of the sensor is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of wheel speed sensor devices, in particular to a wheel speed sensor with a protection mechanism. Background Art

[0002] A wheel speed sensor is a device used to measure the rotational speed of a vehicle tire. It is usually installed near the wheel or hub of an automobile and connected to the vehicle's electronic system. The main function of the wheel speed sensor is to monitor the rotational speed of the wheel to provide accurate data on the vehicle speed. The wheel speed sensor plays an important role in modern automobiles, ensuring the driving safety and stable performance of the vehicle.

[0003] Chinese Patent with the authorization announcement number CN219016347U discloses a wheel speed sensor. The wheel speed sensor includes a sensor head and a mounting structural member detachably assembled to the sensor head. The sensor head includes a body portion, and the body portion is columnar. The mounting structural member includes a connecting arm, and the connecting arm is crimped to the body portion. The implementation mode of this utility model standardizes the design of the sensor head, and then adjusts the crimping process parameters of the mounting structural member to meet the needs of different customers, thereby improving the compatibility of the wheel speed sensor, making the product more adaptable, simplifying the production process, and shortening the production cycle.

[0004] However, this device still has deficiencies: when in use, the wheel speed sensor cannot be protected. The wheel speed sensor is usually installed near the wheel and is easily exposed to water, salt, and chemical substances. Without proper protection, the outer shell and internal components of the sensor may fail due to corrosion. Summary of the Utility Model

[0005] The purpose of the utility model is to address the problem in the background art that the wheel speed sensor cannot be protected, and to propose a wheel speed sensor with a protection mechanism.

[0006] The technical solution of the utility model: A wheel speed sensor with a protection mechanism includes:

[0007] A wheel speed sensor body, on which a cable is provided;

[0008] A protection component, which is snap-connected to the wheel speed sensor body, and the wheel speed sensor body is located inside the protection component;

[0009] And a mounting component, which is arranged on the protection component. The mounting component includes a fixing mechanism for fixing the protection component and a positioning mechanism for limiting the fixing mechanism.

[0010] Preferably, a polar axis is arranged inside the wheel speed sensor body. The polar axis passes through the protection component, and a gear ring is arranged below the polar axis.

[0011] Preferably, the protection component includes:

[0012] A first protective shell located on one side of the wheel speed sensor body;

[0013] And a second protective shell located on the other side of the wheel speed sensor body and inserted into the first protective shell.

[0014] Preferably, the fixing mechanism includes:

[0015] A first mounting plate, with multiple groups of which are all arranged on the first protective shell;

[0016] A second mounting plate arranged on the second protective shell;

[0017] And a plug plate arranged on the first mounting plate and inserted into the second mounting plate.

[0018] Preferably, the plug plate is a square plate.

[0019] Preferably, the positioning mechanism includes:

[0020] A worm rotatably arranged on the second mounting plate;

[0021] A connecting column rotatably arranged on the second mounting plate;

[0022] A worm gear arranged on the connecting column and meshing with the worm;

[0023] A gear arranged on the connecting column;

[0024] And a rack slidably arranged on the second mounting plate and extending into the plug plate, with the rack meshing with the gear.

[0025] Compared with the prior art, the utility model has the following beneficial technical effects:

[0026] By providing the protection component, the first protective shell and the second protective shell can enhance the sealing protection, prevent moisture and dust from entering the interior of the wheel speed sensor body, thereby preventing corrosion and wear and extending the service life of the sensor; and protecting the wheel speed sensor body can ensure the normal operation of the vehicle's safety system, thus improving driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0028] Figure 2 is Figure 1 a sectional view of;

[0029] Figure 3 is a schematic structural diagram of the mounting component.

[0030] Reference numerals: 1, wheel speed sensor body; 2, cable; 3, polar axis; 4, gear ring; 5, first protective housing; 6, second protective housing; 7, first mounting plate; 8, second mounting plate; 9, jack; 10, plug board; 11, rotating block; 12, worm; 13, connecting column; 14, worm gear; 15, gear; 16, rack. Detailed implementation mode

[0031] Embodiment 1

[0032] As Figures 1-3 shown, a wheel speed sensor with a protection mechanism proposed by the present utility model includes a wheel speed sensor body 1, a protection component and a mounting component;

[0033] One end of the wheel speed sensor body 1 is provided with a cable 2, a polar axis 3 is arranged inside the wheel speed sensor body 1, the polar axis 3 passes through the bottom of the protection component, and a gear ring 4 is arranged below the polar axis 3; the protection component is clamped with the wheel speed sensor body 1, and the wheel speed sensor body 1 is located inside the protection component; the mounting component is arranged on the protection component, and the mounting component includes a fixing mechanism for fixing the protection component and a positioning mechanism for limiting the fixing mechanism.

[0034] As Figure 1 shown, the protection component includes a first protective housing 5 and a second protective housing 6; the first protective housing 5 is located on one side of the wheel speed sensor body 1; the second protective housing 6 is located on the other side of the wheel speed sensor body 1 and is inserted into the first protective housing 5. An insertion block for inserting into the second protective housing 6 is arranged on the first protective housing 5, a jack 9 matching with the insertion block is arranged on the second protective housing 6, through holes for fitting with the cable 2 and the polar axis 3 are arranged on both the first protective housing 5 and the second protective housing 6, and the first protective housing 5 and the second protective housing 6 can increase the sealing protection, prevent moisture and dust from entering the inside of the wheel speed sensor body 1, thereby preventing corrosion and wear and prolonging the service life of the sensor.

[0035] Embodiment 2

[0036] A wheel speed sensor with a protection mechanism proposed by the present utility model, compared with Embodiment 1, the structure of the mounting component is described in detail in this embodiment.

[0037] As Figures 2-3 shown, the fixing mechanism includes a first mounting plate 7, a second mounting plate 8 and a plug board 10; multiple groups of the first mounting plates 7 are arranged, and multiple groups of the first mounting plates 7 are respectively arranged on the left side, right side and top of the first protective housing 5; the second mounting plate 8 is arranged on the second protective housing 6; the plug board 10 is arranged on the first mounting plate 7 and inserted into the second mounting plate 8, and the plug board 10 is a square plate;

[0038] The positioning mechanism includes a worm 12, a connecting column 13, a worm wheel 14, a gear 15 and a rack 16; the worm 12 is rotatably arranged on the second mounting plate 8, a rotating block 11 is arranged at the top of the worm 12, and the rotating block 11 is located above the second mounting plate 8; the connecting column 13 is rotatably arranged in the second mounting plate 8; the worm wheel 14 is arranged in the middle of the connecting column 13 and meshes with the worm 12; the gear 15 is arranged at the end of the connecting column 13; the rack 16 is slidably arranged on the second mounting plate 8 and extends into the insertion plate 10, the rack 16 meshes with the gear 15, a cavity for accommodating the rack 16 is formed in the insertion plate 10, and a hollow structure for accommodating the positioning mechanism is formed in the second mounting plate 8. The installation component can quickly install, fix and disassemble the first protective shell 5 and the second protective shell 6, making maintenance and replacement more efficient, thereby reducing labor costs and man-hour expenses.

[0039] In summary, when the present utility model is in use, first, the first protective shell 5 and the second protective shell 6 are clamped on the outer peripheral wall of the wheel speed sensor body 1 to surround the wheel speed sensor body 1. At this time, the insertion plate 10 will also be inserted into the second mounting plate 8. Then, by manually rotating the rotating block 11, the worm 12 is driven to rotate, and then the connecting column 13, the worm wheel 14 and the gear 15 are driven to rotate, so as to guide the rack 16 to slide in the second mounting plate 8 until the rack 16 reaches the innermost cavity of the insertion plate 10, and then stop rotating the rotating block 11. The cooperation of the worm 12 and the worm wheel 14 can prevent the gear 15 from rotating reciprocally, so that the installation of the first protective shell 5 and the second protective shell 6 can be strengthened.

[0040] The above has described in detail the embodiments of the present utility model with reference to the drawings. However, the present utility model is not limited thereto. Within the scope of knowledge possessed by those skilled in the art to which the present utility model pertains, various changes can be made without departing from the gist of the present utility model.

Claims

1. A wheel speed sensor with a protection mechanism, characterized in that, Comprising: A wheel speed sensor body (1) with a cable (2) disposed thereon; A protective component which is snap - connected to the wheel speed sensor body (1), and the wheel speed sensor body (1) is located inside the protective component; And a mounting component which is disposed on the protective component. The mounting component includes a fixing mechanism for fixing the protective component and a positioning mechanism for limiting the fixing mechanism.

2. The wheel speed sensor with a protection mechanism according to claim 1, wherein A polar axis (3) is disposed inside the wheel speed sensor body (1). The polar axis (3) passes through the protective component, and a gear ring (4) is disposed below the polar axis (3).

3. The wheel speed sensor with a protection mechanism according to claim 1, characterized in that, The protective component includes: A first protective shell (5) which is located on one side of the wheel speed sensor body (1); And a second protective shell (6) which is located on the other side of the wheel speed sensor body (1) and is inserted into the first protective shell (5).

4. The wheel speed sensor with a protection mechanism according to claim 3, characterized in that, The fixing mechanism includes: A plurality of first mounting plates (7) which are disposed on the first protective shell (5); A second mounting plate (8) which is disposed on the second protective shell (6); And a plug plate (10) which is disposed on the first mounting plate (7) and inserted into the second mounting plate (8).

5. The wheel speed sensor with a protection mechanism according to claim 4, characterized in that The plug plate (10) is a square plate.

6. The wheel speed sensor with a protection mechanism according to claim 4, characterized in that, The positioning mechanism includes: A worm (12) which is rotatably disposed on the second mounting plate (8); A connecting column (13) which is rotatably disposed on the second mounting plate (8); A worm gear (14) which is disposed on the connecting column (13) and meshes with the worm (12); A gear (15) which is disposed on the connecting column (13); And a rack (16) which is slidably disposed on the second mounting plate (8) and extends into the plug plate (10), and the rack (16) meshes with the gear (15).

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