Portable differential gear box

By designing an automatically pop-up handle on the differential gear box, the problem of difficult handling of the existing differential gear box is solved, convenient and efficient handling is achieved, and the handle protection and portability are provided.

CN222950378UActive Publication Date: 2025-06-06HAISHIDA EMERGENCY EQUIPMENT (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202421829903.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-06-06
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing differential gear box has a simple structure design and lacks auxiliary designs for easy handling, which leads to difficult and low efficiency during handling.

Method used

A portable differential gear box is designed, by fixing the housing on the top of the gear box main body and rotating the handle on the housing. The cooperation of the spring and the top plate makes the handle automatically pop out when needed, making it easier to use the handle for handling.

Benefits of technology

By setting up the handle, the difficulty and complexity of gearbox handling is reduced, handling efficiency is improved, and the handle is provided with additional protection and portability through the storage design of the handle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portable differential gear box, and belongs to the technical field of gear boxes. The problems that an existing differential gear box body on the market is simple in structural design and does not have auxiliary design facilitating gear box carrying, the carrying difficulty and complexity are increased, gear box carrying is not convenient enough, and the carrying efficiency is low are solved. The portable differential gear box comprises a gear box body, a shell is fixedly arranged at the top of the gear box body, a positioning rod is arranged on the inner wall of the shell, a handle connected with the positioning rod is rotationally arranged on the shell, a first movable groove is formed in the shell, a top plate is movably arranged in the first movable groove, and the top plate makes contact with the bottom of the handle. And a spring I is arranged between the top plate and the movable groove I. The gear box carrying device has the advantages that the gear box is convenient to carry, and the carrying difficulty and complexity are reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of gear boxes and relates to a differential gear box, in particular to a portable differential gear box. Background Art

[0002] The differential gearbox is an important component in the automobile transmission system. Its main function is to make the wheels on both sides rotate at different speeds to meet the requirements of different speeds of the inner and outer wheels when the car turns.

[0003] The differential gear box body structure design on the existing market is simple, and there is no auxiliary design to facilitate the transportation of the gear box. When the gear box is transported manually, it is necessary to hold the gear box with both hands to carry it, which increases the difficulty and complexity of transportation, making the transportation of the gear box inconvenient and low in efficiency. Therefore, it is of great significance to design a portable differential gear box. Summary of the invention

[0004] The utility model aims to provide a portable differential gear box in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a portable differential gear box, including a gear box body, characterized in that a shell is fixedly arranged on the top of the gear box body, a positioning rod is arranged on the inner wall of the shell, a handle connected to the positioning rod is rotatably arranged on the shell, a movable groove 1 is opened inside the shell, a top plate is movably arranged in the movable groove 1, and the top plate is in contact with the bottom of the handle, and a spring 1 is arranged between the top plate and the movable groove 1.

[0006] In the above-mentioned portable differential gear box, a slide groove is provided on the top of the shell, a push button is movably provided in the slide groove, a connecting plate fixedly connected to the push button is movably provided on the inner wall of the shell, and a protrusion is fixedly provided on the top of the connecting plate.

[0007] In the above-mentioned portable differential gear box, a movable groove II is opened on the inner wall of the shell, a positioning block is movably arranged in the movable groove II, and the positioning block is connected to the connecting plate through a protrusion, a spring II is arranged between the positioning block and the movable groove II, and a positioning hole is opened on the inner wall of the handle for use with the positioning block.

[0008] Compared with the prior art, the portable differential gear box is provided with a handle, which is convenient for carrying the gear box using the handle, reducing the difficulty and complexity of carrying, and the handle can be stored in the shell to protect the handle, and the handle can be automatically popped out when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional schematic diagram of the portable differential gear box.

[0010] Figure 2 It is a schematic cross-sectional view of the housing of the portable differential gearbox.

[0011] Figure 3 This portable differential gearbox Figure 2 A magnified schematic diagram of center A.

[0012] In the figure, 1, gear box body; 2, housing; 3, positioning rod; 4, handle; 5, movable groove 1; 6, top plate; 7, spring 1; 8, slide groove; 9, push button; 10, connecting plate; 11, protrusion; 12, movable groove 2; 13, positioning block; 14, spring 2; 15, positioning hole. DETAILED DESCRIPTION

[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0014] like Figure 1 , 2 As shown in Figures 3 and 4, the portable differential gearbox comprises a gearbox body 1, a shell 2 is fixedly arranged on the top of the gearbox body 1, a positioning rod 3 is arranged on the inner wall of the shell 2, a handle 4 connected to the positioning rod 3 is rotatably arranged on the shell 2, a movable groove 5 is opened inside the shell 2, a top plate 6 is movably arranged in the movable groove 5, and the top plate 6 is in contact with the bottom of the handle 4, a spring 7 is arranged between the top plate 6 and the movable groove 5, when the gearbox body 1 is carried, the handle 4 is ejected by the spring 7 and the top plate 6, so that it is convenient for manual use to carry the gearbox body 1 using the handle 4.

[0015] Preferably, a slide groove 8 is provided on the top of the shell 2, a push button 9 is movably provided in the slide groove 8, a connecting plate 10 fixedly connected to the push button 9 is movably provided on the inner wall of the shell 2, a protrusion 11 is fixedly provided on the top of the connecting plate 10, and pushing the push button 9 can drive the connecting plate 10 to move.

[0016] Preferably, a movable groove 2 12 is provided on the inner wall of the shell 2, a positioning block 13 is movably provided in the movable groove 2 12, and the positioning block 13 is connected to the connecting plate 10 through the protrusion 11, a spring 2 14 is provided between the positioning block 13 and the movable groove 2 12, and a positioning hole 15 used in conjunction with the positioning block 13 is provided on the inner wall of the handle 4. When the gear box body 1 is not transported, the handle 4 is stored in the shell 2, and the positioning block 13 is inserted into the positioning hole 15 to limit the handle 4. When the handle 4 needs to be used, the push button 9 is pushed, and the connecting plate 10 drives the positioning block 13 to slide, thereby releasing the limit on the handle 4. The handle 4 pops out for use under the action of the spring 1 7 and the top plate 6, and the positions of the positioning block 13 and the push button 9 can be reset under the action of the spring 2 14.

[0017] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0018] Although the present invention uses the terms such as gearbox body 1, housing 2, positioning rod 3, handle 4, movable groove 1 5, top plate 6, spring 1 7, slide groove 8, push button 9, connecting plate 10, convex block 11, movable groove 2 12, positioning block 13, spring 2 14, positioning hole 15, etc. more frequently, it does not exclude the possibility of using other terms. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A portable differential gearbox, comprising a gearbox body (1), characterized in that: A housing (2) is fixedly arranged on the top of the gear box body (1), a positioning rod (3) is arranged on the inner wall of the housing (2), a handle (4) connected to the positioning rod (3) is rotatably arranged on the housing (2), a movable groove (5) is provided inside the housing (2), a top plate (6) is movably arranged in the movable groove (5), and the top plate (6) is in contact with the bottom of the handle (4), and a spring (7) is arranged between the top plate (6) and the movable groove (5).

2. A portable differential gearbox according to claim 1, characterized in that: The top of the housing (2) is provided with a slide groove (8), a push button (9) is movably provided in the slide groove (8), a connecting plate (10) fixedly connected to the push button (9) is movably provided on the inner wall of the housing (2), and a protrusion (11) is fixedly provided on the top of the connecting plate (10).

3. A portable differential gearbox according to claim 1, characterized in that: The shell (2) is provided with a movable groove (12) on its inner wall, a positioning block (13) is movably arranged in the movable groove (12), and the positioning block (13) is connected to the connecting plate (10) via a protrusion (11), a spring (14) is arranged between the positioning block (13) and the movable groove (12), and a positioning hole (15) for use with the positioning block (13) is provided on the inner wall of the handle (4).