Novel differential mechanism assembly

By introducing a leak-contacting mechanism and a sensing mechanism into the differential assembly, the problem of lubricating oil leakage is solved, enabling timely collection and monitoring of lubricating oil, avoiding environmental pollution and parts wear, extending the service life of the differential, and ensuring normal vehicle operation.

CN223563407UActive Publication Date: 2025-11-18QINGDAO HENGFENG MASCH CO LTD
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Patent Information

Application Number
CN202520164334.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-11-18
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing differential assemblies are prone to lubricant leakage due to aging or wear of seals, improper installation, or cracks in the housing. This causes environmental pollution and wear on internal differential parts, affecting the normal operation of the vehicle.

Method used

A novel differential assembly is designed, comprising a leak-containment mechanism and a sensing mechanism. The leak-containment mechanism collects leaked lubricating oil through a flow-collecting groove, while the sensing mechanism uses a piezoelectric diaphragm to monitor the oil leak in real time and transmits signals via a data line to promptly notify the driver or maintenance personnel.

Benefits of technology

It effectively prevents lubricating oil from leaking directly onto the ground, reducing environmental pollution and parts wear, extending differential life, improving maintenance efficiency, and ensuring normal vehicle operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel differential assembly, and relates to the field of differential assemblies. The differential mechanism comprises the differential mechanism, the differential mechanism comprises the shell, the leakage receiving mechanism is arranged below the shell, the leakage receiving mechanism is arranged, and the leakage receiving mechanism can collect lubricating oil leakage caused by various reasons such as aging, abrasion and improper installation of a sealing piece or shell cracks in real time; lubricating oil is effectively prevented from directly leaking to the ground, so that environmental pollution and potential safety hazards are reduced, meanwhile, dry grinding of internal parts of the differential mechanism caused by loss of a large amount of lubricating oil is avoided by timely collecting leaked oil and a leakage receiving mechanism, the maintenance cost caused by abrasion of the parts is reduced, and the service life of the differential mechanism is prolonged. The leakage receiving mechanism is further integrated with a sensing mechanism, the oil leakage situation can be found in time, maintenance personnel can rapidly locate problems, the troubleshooting time is shortened, and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to differential assembly field, concretely is a novel differential assembly. BACKGROUND

[0002] Differential assembly is a kind of automobile transmission system assembly combined by multiple parts, allow the left and right drive wheels of automobile to rotate at different speeds in the process of driving, when automobile straight, the resistance received by left and right drive wheels is same, at this time, planet gear only does revolution and does not rotate, power is evenly distributed to two half shaft gears, and drive wheel is steadily forward at the same speed.And when automobile turns, the turning radius of outside wheel is greater than inside wheel, in order to maintain pure rolling state, outside wheel needs higher rotating speed.At this time, planet gear in differential assembly starts to rotate, ingeniously makes the rotating speed of outside half shaft gear increase, while the rotating speed of inside half shaft gear correspondingly reduces, thereby realizes differential function, and ensures the stability and maneuverability when automobile turns.

[0003] The existing differential assembly will leak lubricating oil due to aging, wear, improper installation or differential housing cracks during long-term use, which will not only cause environmental pollution, but also may cause internal parts of differential to accelerate wear due to lack of lubrication, and even affect normal driving of vehicle in serious cases. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a novel differential assembly to solve the problem of lubricating oil leakage of existing differential assembly due to aging, wear, improper installation or differential housing cracks, so as to avoid environmental pollution, accelerated wear of internal parts of differential and possible impact on normal driving of vehicle.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel differential assembly, comprising a differential, the differential comprising a housing, a leakage receiving mechanism is arranged below the housing, the leakage receiving mechanism comprising a leakage receiving plate, two mounting rings are arranged on the top of the leakage receiving plate, the mounting rings are clamped with the housing;

[0006] Side ears are arranged at the front end and rear end of the mounting ring, a fixing screw hole is formed in the side ear, a bolt is screwed in the fixing screw hole, and the mounting ring is fixedly connected with the leakage receiving plate through the bolt;

[0007] A flow converging groove is arranged at the inner shaft center of the leakage receiving plate, and a sensing mechanism is arranged in the flow converging groove.

[0008] By adopting the technical scheme, the leakage receiving plate is provided with a flow collecting groove at the center axis, which is used for collecting leaked lubricating oil, and the flow collecting groove is further provided with a sensing mechanism, which can monitor the oil leakage in real time.

[0009] Further, the sensing mechanism comprises a piezoelectric film, which is adhered to the flow collecting groove.

[0010] By adopting the technical scheme, the piezoelectric film has the characteristics of high sensitivity and fast response speed, and can accurately perceive the pressure change of the lubricating oil, thereby timely sending an oil leakage signal.

[0011] Further, one side of the piezoelectric film is provided with a data line, which is connected with a vehicle control terminal.

[0012] By adopting the technical scheme, when the piezoelectric film perceives the oil leakage signal, the data line can transmit the signal to the vehicle control terminal in real time, so that the driver or the maintenance personnel can timely know the oil leakage.

[0013] Further, the mounting ring is provided in two groups, and the two groups of mounting rings are mirror image arranged along the central axis of the housing.

[0014] By adopting the technical scheme, the leakage receiving mechanism is more evenly distributed below the differential, and is more stable, and is also conducive to the smooth flow of lubricating oil into the flow collecting groove.

[0015] Further, the outer surface of the housing is provided with a main shaft, and the two sides of the housing are provided with a first output shaft and a second output shaft.

[0016] By adopting the technical scheme, the differential can normally transmit power, and the vehicle can normally run. Meanwhile, the main shaft and the output shaft provide convenience for the installation of the leakage receiving mechanism.

[0017] Further, the inside of the housing is provided with a gear set.

[0018] By adopting the technical scheme, the gear set enables the differential to work normally, and ensures the driving stability and safety of the vehicle.

[0019] Further, the leakage receiving mechanism is made of engineering plastic.

[0020] By adopting the technical scheme, the engineering plastic has the advantages of light weight, corrosion resistance, easy processing, etc., so that the leakage receiving mechanism is light and durable.

[0021] In summary, the utility model mainly has the following beneficial effects:

[0022] 1. The utility model discloses a leak receiving mechanism is arranged, and the leak receiving mechanism can collect the lubricating oil leakage caused by various reasons such as aging, wear and tear, improper installation or shell crack of sealing element, effectively avoids that lubricating oil leaks directly to the ground, thereby reducing environmental pollution and potential safety hazard, simultaneously, through the timely collection of oil leakage, the leak receiving mechanism avoids the dry grinding of the internal parts of the differential mechanism caused by the large loss of lubricating oil, reduces the maintenance cost caused by the wear and tear of parts, prolongs the service life of the differential mechanism, in addition, the leak receiving mechanism also integrates sensing mechanism, can find the oil leakage situation in time, makes maintenance personnel locate the problem quickly, reduces the checking time, improves the maintenance efficiency, ensures that the vehicle can restore normal operation in time, usually the leak receiving plate is as the main component, is responsible for the direct collection of leaked lubricating oil, and the design ensures that lubricating oil can flow into the flow groove smoothly, is convenient for subsequent processing, the mounting ring is clamped with the shell, is fixedly connected through bolt and leak receiving plate, guarantees the stability of leak receiving mechanism, the design of side ear and fixed screw hole makes installation and dismounting more convenient and fast, and the two groups of mounting rings are mirror image setting along the central axis of the shell, and the uniform distribution and stable support of leak receiving mechanism under the differential mechanism are ensured. The flow groove is located at the inner axis of leak receiving plate and is used for collecting the inflowing lubricating oil;

[0023] 2. The utility model discloses a sensing mechanism, and the sensing mechanism can monitor whether lubricating oil leaks in real time, immediately generates electric signal to the piezoelectric film as soon as there is oil leakage, so that the vehicle control terminal can receive oil leakage information in time, and moreover, through the timely monitoring and response of oil leakage, the sensing mechanism helps to prevent the dry grinding, overheating and other serious faults of the internal parts of the differential mechanism caused by the large loss of lubricating oil. This not only can reduce the maintenance cost, but also can prolong the service life of the differential mechanism. DRAWINGS

[0024] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is the side view cross section three-dimensional structure schematic diagram of the utility model;

[0026] Figure 3 It is the utility model Figure 2 The structure schematic diagram of enlarged A in the utility model;

[0027] Figure 4 It is the utility model Figure 2 The structure schematic diagram of enlarged B in the utility model.

[0028] In the figure: 1, differential; 101, housing; 102, main shaft; 103, first output shaft; 104, second output shaft; 105, gear set; 2, leakage receiving mechanism; 201, leakage receiving plate; 202, flow collecting groove; 203, mounting ring; 204, side lug; 205, fixing screw hole; 3, sensing mechanism; 301, piezoelectric film; 302, data line. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0030] A novel differential assembly, as shown in Figures 1-4 , comprises a differential 1, the differential 1 comprises a housing 101, the lower part of the housing 101 is provided with a leakage receiving mechanism 2, the leakage receiving mechanism 2 comprises a leakage receiving plate 201, the top of the leakage receiving plate 201 is provided with two mounting rings 203 on both sides, the mounting rings 203 are clamped with the housing 101; the front end and the rear end of the mounting ring 203 are provided with side lugs 204, the side lugs 204 are provided with fixing screw holes 205, bolts are screwed in the fixing screw holes 205, the mounting ring 203 is fixedly connected with the leakage receiving plate 201 through the bolts; the inside of the leakage receiving plate 201 is provided with a flow collecting groove 202, the flow collecting groove 202 is provided with a sensing mechanism 3, the differential 1 is designed through the leakage receiving mechanism 2 below the housing 101, and the effective collection of lubricating oil that may leak from the differential is realized. The two mounting rings 203 on the top of the leakage receiving plate 201 are clamped with the housing 101, and the clamping structure ensures the stability of the installation of the leakage receiving mechanism 2 and facilitates the disassembly and maintenance. The flow collecting groove 202 at the inside of the leakage receiving plate 201 is designed, can concentrate and guide the leaked lubricating oil, and the sensing mechanism 3 therein provides the possibility of real-time monitoring of the oil leakage condition.

[0031] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , the sensing mechanism 3 comprises a piezoelectric film 301, the piezoelectric film 301 is adhered in the flow collecting groove 202, the sensing mechanism 3 adopts the piezoelectric film 301 adhered in the flow collecting groove 202, and the design not only makes the sensing mechanism extremely sensitive to the pressure change of the lubricating oil, but also the thin and light characteristics of the piezoelectric film will not interfere with the flow of the lubricating oil. When the lubricating oil leaks and accumulates in the flow collecting groove 202, the piezoelectric film 301 can quickly respond and generate an electric signal, which provides technical support for timely discovery and treatment of the oil leakage problem.

[0032] Referring to Figure 1 , Figure 2 , Figure 3 ,Figure 4 One side of the piezoelectric film 301 is provided with a data line 302 connected to the vehicle control terminal. The data line 302 on one side of the piezoelectric film 301 is connected to the vehicle control terminal. This design realizes real-time transmission and monitoring of the oil leakage signal. Once the piezoelectric film 301 senses the oil leakage, the generated electrical signal will be immediately transmitted to the vehicle control terminal through the data line 302, so that the driver or maintenance personnel can quickly obtain the oil leakage information and take timely measures to prevent the problem from worsening.

[0033] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The mounting ring 203 is provided with two groups, and the two groups of mounting rings 203 are mirror image arranged along the central axis of the shell 101. The mounting ring 203 is provided with two groups, and the two groups are mirror image arranged along the central axis of the shell 101. This symmetrical layout not only makes the support of the oil leakage mechanism 2 under the differential more uniform and stable, but also improves the oil leakage efficiency. The design of the two groups of mounting rings 203 also enhances the adaptability and versatility of the oil leakage mechanism 2, so that it can be applied to different models of differential shell 101.

[0034] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The outer surface of the shell 101 is provided with a main shaft 102, and the two sides of the shell 101 are provided with a first output shaft 103 and a second output shaft 104. The main shaft 102 provided on the outer surface of the shell 101 and the first output shaft 103 and the second output shaft 104 on both sides make the differential can efficiently transmit power, ensure the normal driving of the vehicle. At the same time, the arrangement of the main shaft 102 and the output shaft 103, 104 also provides enough space and convenience for the installation of the oil leakage mechanism 2, so that the layout of the whole differential assembly is more reasonable and compact.

[0035] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The inside of the shell 101 is provided with a gear set 105. The gear set 105 provided inside the shell 101 is the core component of the differential, and its precise design enables the differential to realize the differential function of the left and right wheels, improve the driving stability and safety of the vehicle. The reliable operation of the gear set 105 also ensures the overall performance and service life of the differential assembly, providing a strong guarantee for the normal driving of the vehicle.

[0036] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 Figure 1 Figure 2 Figure 3 Figure 4The material of the leakage receiving mechanism 2 is engineering plastic, and the leakage receiving mechanism 2 is made of engineering plastic, which has the advantages of light weight, corrosion resistance, easy processing and low cost. The use of engineering plastic to make the leakage receiving mechanism 2 not only reduces the weight of the entire differential assembly, but also improves its corrosion resistance and durability. At the same time, the easy processing of engineering plastic also makes the leakage receiving mechanism 2 easier to be made into various shapes and sizes to meet the needs of different types of differentials.

[0037] The implementation principle of the embodiment is: first, place the leakage receiving plate 201 of the leakage receiving mechanism 2 below the differential housing 101, ensure that the mounting ring 203 is correctly clamped with the housing 101, pass the fixing screw hole 205 of the side lug 204 on the mounting ring 203 with a bolt, and tighten the bolt to firmly fix the mounting ring 203 with the leakage receiving plate 201.

[0038] The piezoelectric film 301 is adhered in the flow groove 202 to ensure that the piezoelectric film 301 is in close contact with the flow groove 202, one end of the data line 302 is connected with the piezoelectric film 301, and the other end is connected to the vehicle control terminal.

[0039] When the differential assembly is running normally, if lubricating oil leakage occurs, the leaked lubricating oil will flow into the flow groove 202, and the pressure change of the lubricating oil will cause the piezoelectric film 301 to generate an electric signal, which is transmitted to the vehicle control terminal through the data line 302. After the vehicle control terminal receives the signal, it will immediately display an oil leakage warning to prompt the driver or maintenance personnel to check.

[0040] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model. The specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model. However, as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A novel differential assembly characterized by: The differential (1) comprises a housing (101), and a leakage receiving mechanism (2) is arranged below the housing (101), wherein the leakage receiving mechanism (2) comprises a leakage receiving plate (201), two mounting rings (203) are arranged on the top of the leakage receiving plate (201), and the mounting rings (203) are clamped with the housing (101); side ears (204) are arranged on the front end and the rear end of the mounting ring (203), a fixing screw hole (205) is formed in the side ear (204), a bolt is screwed in the fixing screw hole (205), and the mounting ring (203) is fixedly connected with the leakage receiving plate (201) through the bolt; a flow collecting groove (202) is arranged at the inner axis of the leakage receiving plate (201), and a sensing mechanism (3) is arranged in the flow collecting groove (202).

2. The novel differential assembly of claim 1, wherein: The sensing mechanism (3) comprises a piezoelectric film (301), and the piezoelectric film (301) is adhered in the flow collecting groove (202).

3. The novel differential assembly of claim 2, wherein: A data line (302) is arranged on one side of the piezoelectric film (301), and the data line (302) is connected with a vehicle control terminal.

4. The novel differential assembly of claim 1, wherein: The mounting ring (203) is provided in two groups, and the two groups of mounting rings (203) are mirror image arranged along the central axis of the housing (101).

5. The novel differential assembly of claim 1, wherein: A main shaft (102) is arranged on the outer surface of the housing (101), and a first output shaft (103) and a second output shaft (104) are arranged on the two sides of the housing (101).

6. The novel differential assembly of claim 1, wherein: A gear set (105) is arranged in the housing (101).

7. The novel differential assembly of claim 1, wherein: The leakage receiving mechanism (2) is made of engineering plastic.