Rear axle assembly with oil temperature sensor
By designing a dual oil temperature sensor structure in the rear axle assembly, it ensures that even if one sensor fails, the other can still work, solving the problem of poor oil temperature detection quality in the existing technology and ensuring the normal operation of the rear axle.
Patent Information
- Application Number
- CN202421386856.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, only one temperature sensor is provided. If the sensor fails during the car's travel, the oil temperature detection quality of the rear axle is poor, which can easily lead to the rear axle operation failure.
Design a rear axle assembly with an oil temperature sensor, including an oil outlet pipe and a detection box, and an oil temperature sensor body is installed on both sides, and lubricating oil is introduced into the detection box through the oil outlet pipe. The sensor is designed with dual design to ensure the continuity of oil temperature detection. .
Even if one sensor fails, the other sensor can continue to work, ensuring the quality and normal operation of the rear axle oil temperature detection.
Smart Images

Figure CN222334469U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rear axles, in particular to a rear axle assembly provided with an oil temperature sensor. Background Art
[0002] During the operation of the vehicle, the rear axle and its internal transmission components will generate heat. By installing an oil temperature sensor, the vehicle system can monitor the changes in the rear axle oil temperature in real time; if the oil temperature rises or drops abnormally, the system can quickly identify and issue an alarm, prompting the driver or maintenance personnel to check and repair, thereby avoiding potential safety hazards; a vehicle drive axle main reducer oil temperature monitoring device and a vehicle with publication number CN216618489U, the vehicle drive axle main reducer oil temperature monitoring device includes a thermocouple temperature sensor, a data acquisition terminal, an alarm cooling component and a controller; wherein the thermocouple temperature sensor is installed on the axle housing body and is used to detect the oil temperature of the lubricating oil; however, in the patent document, only one temperature sensor is provided. If the temperature sensor fails during the movement of the vehicle, the function of monitoring the changes in the rear axle oil temperature is lost, resulting in poor oil temperature detection quality, which is easy to cause the operation of the rear axle to fail and inconvenience in use.
[0003] There may already be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content
[0004] In order to solve the problems raised in the background technology, the utility model is implemented through the following technical solutions: a rear axle assembly provided with an oil temperature sensor, comprising a rear axle assembly body, on which a detection structure is installed;
[0005] The detection structure includes an oil outlet pipe, which is installed on the middle part of the lower wall of the rear axle assembly. A detection box is installed at one end of the oil outlet pipe. The cross-sectional shape of the end of the detection box connected to the oil outlet pipe is a circular structure, and the cross-sectional shape of the end of the detection box away from the oil outlet pipe is a rectangular structure. Two sinker grooves are symmetrically provided on the outer wall of the end of the detection box away from the oil outlet pipe, and the center parts of the two sinker grooves are provided with insertion holes. Covers are installed on the two sinker grooves, and the oil temperature sensor body is inserted into the cover and the insertion hole.
[0006] Preferably, the oil outlet pipe and the detection box are connected via a flange.
[0007] Preferably, a first sealing gasket is installed between the sealing cover and the sink groove, and a second sealing gasket is installed between the oil outlet pipe and the detection box.
[0008] Preferably, fixing bolts are inserted into the sealing cover, the first sealing gasket and the detection box.
[0009] Preferably, an oil drain threaded hole is provided on the lower wall of the detection box, and a closing bolt is movably inserted into the oil drain threaded hole.
[0010] Preferably, a third sealing gasket is installed between the closing bolt and the lower wall of the detection box.
[0011] Beneficial Effects
[0012] The utility model provides a rear axle assembly provided with an oil temperature sensor, which has the following beneficial effects compared with the prior art: the lubricating oil in the rear axle assembly body enters the detection box through the oil outlet pipe, and the oil temperature sensor bodies on both sides of the detection box are in contact with the lubricating oil at the same time, so that the oil temperature is detected; if one of the oil temperature sensor bodies fails, the other oil temperature sensor body can still continue to work, thereby ensuring the quality of oil temperature detection and the normal operation of the rear axle. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model is a three-dimensional structural schematic diagram of a rear axle assembly provided with an oil temperature sensor from a top view.
[0014] Figure 2 The utility model is a three-dimensional structural schematic diagram of a rear axle assembly provided with an oil temperature sensor when viewed from above.
[0015] Figure 3 The utility model is a front view cross-sectional structural schematic diagram of a rear axle assembly provided with an oil temperature sensor.
[0016] In the figure: 1. rear axle assembly, 2. oil outlet pipe, 3. detection box, 4. cover, 5. oil temperature sensor body, 6. first sealing gasket, 7. fixing bolt, 8. closing bolt, 9. second sealing gasket, 10. third sealing gasket. DETAILED DESCRIPTION
[0017] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
[0018] Embodiment: Through the personnel in this field, all the electrical components in this case are connected to their adapted power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.
[0019] See also Figure 1-3, in order to solve the problem of poor oil temperature detection quality caused by only setting one temperature sensor for detecting oil temperature, this technical solution is designed, and the detailed technical solution is as follows;
[0020] A rear axle assembly provided with an oil temperature sensor comprises a rear axle assembly body 1, on which a detection structure is installed;
[0021] Specifically, the detection structure includes an oil outlet pipe 2, which is installed on the middle part of the lower wall of the rear axle assembly body 1, and a detection box 3 is installed at one end of the oil outlet pipe 2. The cross-sectional shape of the end of the detection box 3 connected to the oil outlet pipe 2 is a circular structure, and the cross-sectional shape of the end of the detection box 3 away from the oil outlet pipe 2 is a rectangular structure. Two sinking grooves are symmetrically provided on the outer wall of the end of the detection box 3 away from the oil outlet pipe 2, and the center of the two sinking grooves is provided with insertion holes, and the two sinking grooves are installed with covers 4, and the oil temperature sensor body 5 is inserted into the cover 4 and the insertion hole;
[0022] It should be noted that the oil outlet pipe 2 is arranged at the bridge housing part in the rear axle assembly body 1, and the lubricating oil in the rear axle assembly body 1 enters the detection box 3 through the oil outlet pipe 2. The oil temperature sensor bodies 5 on both sides of the detection box 3 are in contact with the lubricating oil at the same time to realize the detection of the oil temperature. If one of the oil temperature sensor bodies 5 fails, the other oil temperature sensor body 5 can still continue to work, thereby ensuring the oil temperature detection quality and the normal operation of the rear axle. If it is necessary to disassemble the oil temperature sensor body 5, the oil temperature sensor body 5 and the cover 4 can be disassembled from the sink groove part on the detection box 3. If it is necessary to disassemble the detection box 3, the detection box 3 can be disassembled from one end of the oil outlet pipe 2.
[0023] As a preferred embodiment, further, the oil outlet pipe 2 and the detection box 3 are connected via a flange, which is used for connecting the oil outlet pipe 2 and the detection box 3;
[0024] As a preferred embodiment, further, a first sealing gasket 6 is installed between the cover 4 and the sinking groove for sealing connection between the cover 4 and the sinking groove, and a second sealing gasket 9 is installed between the oil outlet pipe 2 and the detection box 3 for sealing connection between the oil outlet pipe 2 and the detection box 3;
[0025] Preferably, further, the cover 4, the first sealing gasket 6 and the detection box 3 are provided with fixing bolts 7 for connecting the cover 4, the first sealing gasket 6 and the detection box 3;
[0026] As a preferred embodiment, further, the lower wall of the detection box 3 is provided with an oil drain threaded hole, and a closing bolt 8 is movably inserted into the oil drain threaded hole, and the lubricating oil of the rear axle assembly body 1 is discharged from the oil drain threaded hole by removing the closing bolt 8;
[0027] Preferably, further, a third sealing gasket 10 is installed between the closing bolt 8 and the lower wall of the detection box 3 to form a sealed connection between the closing bolt 8 and the detection box 3 .
[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A rear axle assembly provided with an oil temperature sensor, comprising a rear axle assembly body (1), characterized in that: A detection structure is installed on the rear axle assembly body (1); The detection structure comprises an oil outlet pipe (2), the oil outlet pipe (2) being installed on the middle part of the lower wall surface of the rear axle assembly body (1), a detection box (3) being installed on one end of the oil outlet pipe (2), the cross-sectional shape of the end of the detection box (3) connected to the oil outlet pipe (2) being a circular structure, the cross-sectional shape of the end of the detection box (3) away from the oil outlet pipe (2) being a rectangular structure, two sinking grooves being symmetrically provided on the outer wall surface of the end of the detection box (3) away from the oil outlet pipe (2), the center parts of the two sinking grooves being provided with insertion holes, the two sinking grooves being installed with sealing covers (4), the sealing covers (4) and the insertion holes being inserted with an oil temperature sensor body (5).
2. A rear axle assembly with an oil temperature sensor according to claim 1, characterized in that: The oil outlet pipe (2) and the detection box (3) are connected via a flange.
3. The rear axle assembly with an oil temperature sensor according to claim 1, characterized in that: A first sealing gasket (6) is installed between the sealing cover (4) and the sink groove, and a second sealing gasket (9) is installed between the oil outlet pipe (2) and the detection box (3).
4. A rear axle assembly with an oil temperature sensor according to claim 3, characterized in that: The sealing cover (4), the first sealing gasket (6) and the detection box (3) are plugged with fixing bolts (7).
5. The rear axle assembly with an oil temperature sensor according to claim 1, characterized in that: The lower wall surface of the detection box (3) is provided with an oil drain threaded hole, and a closing bolt (8) is movably inserted into the oil drain threaded hole.
6. A rear axle assembly equipped with an oil temperature sensor according to claim 5, characterized in that: A third sealing gasket (10) is installed between the closing bolt (8) and the lower wall surface of the detection box (3).