Labor-saving tool for differential mechanism

By introducing a fixing mechanism and a limiting mechanism into the differential labor-saving tooling, convenient fixing and height adjustment of different types of parts are achieved, solving the problem of tooling specifications not being compatible and improving maintenance efficiency.

CN223849084UActive Publication Date: 2026-01-30ANHUI QUANCHAI JINTIAN MASCH CO LTD
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Patent Information

Application Number
CN202520490617.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-01-30
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Existing differential tooling is inconvenient to adapt to different parts when fixing different models, resulting in cumbersome operation and affecting maintenance efficiency.

Method used

The design incorporates a fixing mechanism, a limiting mechanism, and a protective mechanism. The lifting screw drives the limiting block to slide and rotate the threaded sleeve for adjustment, enabling convenient fixing and height adaptation of the parts.

Benefits of technology

It improves the ease of fixing differential parts and the practicality of tooling, thereby increasing maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of labor-saving tools, and discloses a differential labor-saving tool which comprises a fixing mechanism, a limiting mechanism and a protection mechanism, the fixing mechanism is located in the protection mechanism, and the limiting mechanism is located at the upper end of the fixing mechanism. The fixing mechanism comprises a rotating disc, the inner wall of the rotating disc is slidably connected with a limiting block, the side end of the limiting block is fixedly connected with a sliding shaft, the surface of the sliding shaft is sleeved with a spring, the lower end of the limiting block is slidably connected with a lifting disc, and the inner wall of the lifting disc is slidably connected with a limiting shaft. The inner wall of the lifting disc is in threaded connection with a lifting lead screw, and the lower end of the lifting lead screw is fixedly connected with a motor. Through the design that the lifting lead screw rotates to drive the limiting blocks on the inner wall of the rotating disc to slide, the purpose of conveniently fixing differential parts is achieved, and the overall practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to labor saving tooling technical field especially relates to a differential mechanism labor saving tooling. BACKGROUND

[0002] The differential mechanism labor saving tooling is a special tool system developed for the scene of disassembling, repairing and maintaining the differential mechanism of an automobile, and its core function is to convert the link of high-strength physical operation in traditional operation into a standardized process with safety, high efficiency and low energy consumption through mechanical optimization and intelligent control technology.

[0003] When the differential mechanism labor saving tooling is used to fix and maintain the differential mechanism parts, sometimes the tooling specifications cannot adapt to differential mechanism parts of different models, which makes the operation of fixing the parts more complicated and affects the overall maintenance efficiency. UTILITY MODEL CONTENTS

[0004] The utility model solves the problem that when the differential mechanism labor saving tooling is used to fix and maintain the differential mechanism parts, sometimes the tooling specifications cannot adapt to differential mechanism parts of different models, and therefore provides a differential mechanism labor saving tooling.

[0005] The utility model adopts the following technical scheme: a differential mechanism labor saving tooling, comprising a fixing mechanism, a limiting mechanism and a protection mechanism, the fixing mechanism is located in the inside of the protection mechanism, the limiting mechanism is located at the upper end of the fixing mechanism;

[0006] The fixing mechanism comprises a rotating disc, the inner wall of the rotating disc is slidably connected with a limiting block, the side end of the limiting block is fixedly connected with a sliding shaft, the surface of the sliding shaft is sleeved with a spring, the lower end of the limiting block is slidably connected with a lifting disc, the inner wall of the lifting disc is slidably connected with a limiting shaft, the inner wall of the lifting disc is threadedly connected with a lifting lead screw, and the lower end of the lifting lead screw is fixedly connected with a motor.

[0007] Through the above technical scheme, the design of using the rotation of the lifting lead screw to drive the limiting block on the inner wall of the rotating disc to slide realizes the purpose of conveniently fixing the differential mechanism parts and improves the overall practicality of the device.

[0008] As a further improvement of the above scheme, the surface of the sliding shaft is slidably connected with the inner wall of the rotating disc, the limiting blocks are symmetrically distributed along the center of the rotating disc, and the number of the rotating discs is three.

[0009] As a further improvement of the above scheme, the limiting mechanism comprises a limiting screw rod, a mounting sleeve is screw-connected to the surface of the limiting screw rod, a rotating ring is rotatably connected to the inner wall of the mounting sleeve, a first connecting rod is rotatably connected to the inner wall of the rotating ring, a second connecting rod is rotatably connected to the surface of the first connecting rod, and threaded sleeves are rotatably connected to the two sides of the second connecting rod.

[0010] By the above technical scheme, the threaded sleeves are used to drive the first connecting rod and the second connecting rod to be opened, and the mounting sleeve and the threaded sleeves are used to fit the part, so that the purpose of conveniently adjusting the tool according to the height of the part is achieved, and the use of the tool is more convenient.

[0011] As a further improvement of the above scheme, the inner wall of the threaded sleeve is screw-connected to the surface of the limiting screw rod, and the threaded sleeve is located at the lower end of the mounting sleeve.

[0012] As a further improvement of the above scheme, the protection mechanism comprises a protection shell, a base is fixedly connected to the lower end of the protection shell, a rotating door is rotatably connected to the inner wall of the protection shell, a handle is fixedly connected to the surface of the rotating door, a limiting screw rod is screw-connected to the inner wall of the protection shell, a partition plate is fixedly connected to the inner wall of the protection shell, and a support frame is fixedly connected to the inner wall of the protection shell.

[0013] By the above technical scheme, stable protection is provided for the internal part, the internal part is prevented from being damaged when the tool is used, and the practicability of the tool as a whole is improved.

[0014] As a further improvement of the above scheme, the support frame is located at the upper end of the partition plate, the lower end of the support frame is fixedly connected to the upper end of the limiting shaft, and the upper end of the partition plate is fixedly connected to the lower end of the limiting shaft.

[0015] As a further improvement of the above scheme, the upper end of the rotating disc is fixedly connected to the lower end of the limiting screw rod, the lower end of the motor is fixedly connected to the inner wall of the protection shell, the motor is located at the lower end of the partition plate, the lower end of the lifting screw rod is rotatably connected to the upper end of the partition plate, the surface of the rotating disc is rotatably connected to the inner wall of the protection shell, and the side end of the rotating disc is clamped with the surface of the limiting screw rod.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses a fixing mechanism, specifically is: after the height adjustment is completed, the motor is started to rotate, and drives the lifting screw to rotate simultaneously, when the lifting screw rotates, the lifting disc on its surface is under the location of the location shaft and rises on the surface of the lifting screw to extrude the inclined surface of the limiting block to make the limiting block around slide outward, and then drive the upper end of the limiting block and the inner wall of the part to be stuck and deadlocked to complete the fixing of the part, the design of using the rotation of the lifting screw to drive the limiting block of the inner wall of the rotating disc to slide realizes the convenient fixing of the differential part, and the practicality of the whole device is improved.

[0018] The utility model discloses a limiting mechanism, specifically is: rotating screw cover rotates, and drive the angle of second connecting rod and first connecting rod changes simultaneously, and the mutual adhesion of screw cover and mounting set, when the screw cover rotates, the upper end rotating ring is under the action of second connecting rod and first connecting rod and rotates synchronously, after the adhesion of mounting set and screw cover, the first connecting rod and second connecting rod around open, according to the height of part to rotate mounting set and screw cover at this moment, make it and part adhesion to prevent the part from falling, and the design of using rotating screw cover to drive first connecting rod and second connecting rod to open and rotating mounting set and screw cover to adhesion part realizes the convenient adjustment of tool according to the height of part, and the use of tool is more convenient. ACCURACY OF DRAWINGS

[0019] Figure 1 It is overall structure schematic diagram of the utility model;

[0020] Figure 2 It is fixing mechanism structure schematic diagram of the utility model;

[0021] Figure 3 It is fixing mechanism specific part structure schematic diagram of the utility model;

[0022] Figure 4 It is limiting mechanism specific part structure schematic diagram of the utility model;

[0023] Figure 5 It is overall cross section structure schematic diagram of the utility model.

[0024] Main symbol explanation:

[0025] 1, fixed mechanism, 101, rotating disc, 102, limit block, 103, sliding shaft, 104, spring, 105, lifting disc, 106, limit shaft, 107, lifting screw, 108, motor, 2, limit mechanism, 201, limit screw, 202, mounting sleeve, 203, rotating ring, 204, first connecting rod, 205, second connecting rod, 206, threaded sleeve, 3, protection mechanism, 301, protective shell, 302, base, 303, rotating door, 304, handle, 305, limit screw, 306, partition, 307, support frame. DETAILED DESCRIPTION

[0026] The utility model will be described further, combining with the drawings and specific implementation, it is to explain that under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined to form new embodiment.

[0027] Embodiment:

[0028] Please combine Figures 1-5 The differential force-saving tool of the embodiment includes fixed mechanism 1, limit mechanism 2 and protection mechanism 3, fixed mechanism 1 is located inside protection mechanism 3, limit mechanism 2 is located at the upper end of fixed mechanism 1;

[0029] Fixed mechanism 1 includes rotating disc 101, the inner wall of rotating disc 101 is slidably connected with limit block 102, the side end of limit block 102 is fixedly connected with sliding shaft 103, the surface of sliding shaft 103 is sleeved with spring 104, the lower end of limit block 102 is slidably connected with lifting disc 105, the inner wall of lifting disc 105 is slidably connected with limit shaft 106, the inner wall of lifting disc 105 is threadedly connected with lifting screw 107, the lower end of lifting screw 107 is fixedly connected with motor 108, the design of using the rotation of lifting screw 107 to drive limit block 102 in the inner wall of rotating disc 101 to slide realizes the purpose of conveniently fixing differential parts, improves the practicability of the whole device.

[0030] The surface of sliding shaft 103 is slidably connected with the inner wall of rotating disc 101, limit block 102 is symmetrically distributed along the center of rotating disc 101, and the number of rotating disc 101 is three.

[0031] The limiting mechanism 2 comprises a limiting lead screw 201, the surface of the limiting lead screw 201 is threadedly connected with a mounting sleeve 202, the inner wall of the mounting sleeve 202 is rotationally connected with a rotating ring 203, the inner wall of the rotating ring 203 is rotationally connected with a first connecting rod 204, the surface of the first connecting rod 204 is rotationally connected with a second connecting rod 205, the two sides of the second connecting rod 205 are rotationally connected with threaded sleeves 206, the threaded sleeves 206 are used to drive the first connecting rod 204 and the second connecting rod 205 to be opened and rotated, and the mounting sleeve 202 and the threaded sleeves 206 are used to fit the part, so that the height of the part is adjusted conveniently, and the use of the tooling is more convenient.

[0032] The inner wall of the threaded sleeve 206 is threadedly connected with the surface of the limiting lead screw 201, and the threaded sleeve 206 is located at the lower end of the mounting sleeve 202.

[0033] The protection mechanism 3 comprises a protection shell 301, the lower end of the protection shell 301 is fixedly connected with a base 302, the inner wall of the protection shell 301 is rotationally connected with a rotating door 303, the surface of the rotating door 303 is fixedly connected with a handle 304, the inner wall of the protection shell 301 is threadedly connected with a limiting screw 305, the inner wall of the protection shell 301 is fixedly connected with a partition plate 306, and the inner wall of the protection shell 301 is fixedly connected with a support frame 307.

[0034] The support frame 307 is located at the upper end of the partition plate 306, the lower end of the support frame 307 is fixedly connected with the upper end of the limiting shaft 106, and the upper end of the partition plate 306 is fixedly connected with the lower end of the limiting shaft 106.

[0035] The upper end of the rotating disc 101 is fixedly connected with the lower end of the limiting lead screw 201, the lower end of the motor 108 is fixedly connected with the inner wall of the protection shell 301, the motor 108 is located at the lower end of the partition plate 306, the lower end of the lifting lead screw 107 is rotationally connected with the upper end of the partition plate 306, the surface of the rotating disc 101 is rotationally connected with the inner wall of the protection shell 301, and the side end of the rotating disc 101 is clamped with the surface of the limiting screw 305.

[0036] The implementation principle of the differential gear labor-saving tool in the embodiment of the application is as follows: when the tool is used, first, the center hole of the differential gear part to be maintained is placed at the limiting screw rod 201, then the threaded sleeve 206 is rotated to change the angle of the second connecting rod 205 and the first connecting rod 204, the threaded sleeve 206 and the mounting sleeve 202 are attached to each other, the upper end rotating ring 203 is synchronously rotated under the action of the second connecting rod 205 and the first connecting rod 204 when the threaded sleeve 206 is rotated, the first connecting rod 204 and the second connecting rod 205 around the mounting sleeve 202 and the threaded sleeve 206 are opened after the mounting sleeve 202 and the threaded sleeve 206 are attached, at this time, the mounting sleeve 202 and the threaded sleeve 206 are rotated according to the height of the part to be maintained to attach to the part, so as to prevent the part from falling, the design of using the rotating threaded sleeve 206 to open the first connecting rod 204 and the second connecting rod 205 and rotating the mounting sleeve 202 and the threaded sleeve 206 to attach the part realizes the purpose of conveniently adjusting the tool according to the height of the part, so that the use of the tool is more convenient, after the height adjustment is completed, the motor 108 is started to rotate, and the lifting screw rod 107 is rotated at the same time, the lifting disc 105 on the surface of the lifting screw rod 107 is lifted under the limiting of the limiting shaft 106 on the surface of the lifting screw rod 107, so as to press the inclined surface of the limiting block 102 through the lifting of the lifting disc 105, so as to make the surrounding limiting block 102 slide outward, and then the upper end of the limiting block 102 is attached to the inner wall of the part to be maintained to be stuck, so as to complete the fixation of the part, the design of using the rotation of the lifting screw rod 107 to drive the limiting block 102 on the inner wall of the rotating disc 101 to slide realizes the purpose of conveniently fixing the differential gear part, and improves the practicability of the device as a whole.

[0037] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by a person skilled in the art on the basis of the utility model belongs to the range of protection claimed by the utility model.

Claims

1. A differential tool saver, characterized in that, Including fixed mechanism (1), limiting mechanism (2) and protection mechanism (3), the fixed mechanism (1) is located inside the protection mechanism (3), the limiting mechanism (2) is located in the upper end of fixed mechanism (1); The fixed mechanism (1) includes a rotating disc (101), the inner wall of the rotating disc (101) is slidably connected with a limiting block (102), the side end of the limiting block (102) is fixedly connected with a sliding shaft (103), the surface of the sliding shaft (103) is sleeved with a spring (104), the lower end of the limiting block (102) is slidably connected with a lifting disc (105), the inner wall of the lifting disc (105) is slidably connected with a limiting shaft (106), the inner wall of the lifting disc (105) is threadedly connected with a lifting lead screw (107), and the lower end of the lifting lead screw (107) is fixedly connected with a motor (108).

2. A labor saving tool for a differential as set forth in claim 1, wherein: The surface of the sliding shaft (103) is slidably connected with the inner wall of the rotating disc (101), the limiting block (102) is symmetrically distributed along the center of the rotating disc (101), and the number of the rotating disc (101) is three.

3. A labour saving device for a differential as claimed in claim 2 wherein: The limiting mechanism (2) includes a limiting lead screw (201), the surface of the limiting lead screw (201) is threadedly connected with a mounting sleeve (202), the inner wall of the mounting sleeve (202) is rotatably connected with a rotating ring (203), the inner wall of the rotating ring (203) is rotatably connected with a first connecting rod (204), the surface of the first connecting rod (204) is rotatably connected with a second connecting rod (205), and the two sides of the second connecting rod (205) are rotatably connected with threaded sleeves (206).

4. A labour saving device for a differential as claimed in claim 3 wherein: The inner wall of the threaded sleeve (206) is threadedly connected with the surface of the limiting lead screw (201), and the threaded sleeve (206) is located at the lower end of the mounting sleeve (202).

5. A labour saving device for a differential as claimed in claim 4 wherein: The protection mechanism (3) includes a protective shell (301), the lower end of the protective shell (301) is fixedly connected with a base (302), the inner wall of the protective shell (301) is rotatably connected with a rotating door (303), the surface of the rotating door (303) is fixedly connected with a handle (304), the inner wall of the protective shell (301) is threadedly connected with a limiting screw (305), the inner wall of the protective shell (301) is fixedly connected with a partition (306), and the inner wall of the protective shell (301) is fixedly connected with a support frame (307).

6. A labour saving device for a differential as claimed in claim 5 wherein: The support frame (307) is located at the upper end of the partition (306), the lower end of the support frame (307) is fixedly connected with the upper end of the limiting shaft (106), and the upper end of the partition (306) is fixedly connected with the lower end of the limiting shaft (106).

7. A labour saving device for a differential as claimed in claim 6 wherein: The upper end of the rotating disc (101) is fixedly connected with the lower end of the limiting lead screw (201), the lower end of the motor (108) is fixedly connected with the inner wall of the protective shell (301), the motor (108) is located at the lower end of the partition plate (306), the lower end of the lifting lead screw (107) is rotatably connected with the upper end of the partition plate (306), the surface of the rotating disc (101) is rotatably connected with the inner wall of the protective shell (301), and the side end of the rotating disc (101) is clamped with the surface of the limiting screw (305).