Combined gear structure

By using a split structure design and material selection, the problems of steel waste and inconvenient processing in traditional integral gears under space-constrained environments have been solved, achieving a combined gear structure with high-efficiency production and cost reduction.

CN223825543UActive Publication Date: 2026-01-23NINGBO DONLY CO LTD
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Patent Information

Application Number
CN202520661682.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-01-23
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Traditional integral gear structures present problems of steel waste and processing inconvenience in gearboxes where factory space is limited.

Method used

It adopts a split structure design, with the gear and internal gear ring being machined separately. Using low alloy steel and carbon steel materials, they are connected by screws and cylindrical pins to form a combined gear structure.

Benefits of technology

It simplifies the manufacturing process, improves production efficiency, and reduces production costs.

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Abstract

The utility model discloses a combined gear structure which comprises a gear, an inner gear ring, a plurality of cylindrical pins and a plurality of screws, a mounting hole is formed in one end of the gear, and one end of the inner gear ring is mounted in the mounting hole; a plurality of threaded grooves and a plurality of grooves are formed in one end of the gear and arranged in the circumferential direction of the gear, a plurality of threaded holes and pin holes are formed in the other end of the inner gear ring, and one end of each screw penetrates through the corresponding threaded hole and is installed in the corresponding threaded groove. One end of each cylindrical pin penetrates through the corresponding pin hole and is installed in the corresponding groove. Through the application of the combined gear structure, the gear and the inner gear ring are machined separately, the manufacturing process is greatly simplified, the machining process is optimized according to the characteristics of different parts, the production efficiency is improved, and the production cost is reduced.
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Description

Technical Field

[0001] This utility model relates to the technical field of gears and related fields, and in particular to a combined gear structure. Background Technology

[0002] Traditional gears are typically designed as a single, integral structure, made of high-quality low-alloy steel, and heat-treated by carburizing and quenching to achieve good impact resistance and wear resistance. However, for gearboxes used in factories with limited space, this integral structure has certain drawbacks. It not only wastes high-quality steel but also introduces numerous inconveniences to the machining and heat treatment of modular gears. Utility Model Content

[0003] In view of this, in order to solve the above problems, the purpose of this utility model is to provide a combined gear structure, characterized in that it includes:

[0004] Gears, internal gear rings, several cylindrical pins, and several screws;

[0005] A mounting hole is provided at one end of the gear, and one end of the internal gear ring is installed in the mounting hole;

[0006] One end of the gear is provided with a plurality of threaded grooves and a plurality of recesses, all of which are arranged along the circumference of the gear. The other end of the internal gear ring is provided with a plurality of threaded holes and pin holes. One end of each screw passes through a corresponding threaded hole and is installed in a corresponding threaded groove. One end of each cylindrical pin passes through a corresponding pin hole and is installed in a corresponding recess.

[0007] The aforementioned combined gear structure is characterized in that the gear is made of low-alloy steel.

[0008] The aforementioned combined gear structure is characterized in that the internal gear ring is made of carbon steel.

[0009] The aforementioned combined gear structure is characterized in that the number of cylindrical pins is sixteen.

[0010] The aforementioned combined gear structure is characterized in that both the threaded groove and the recess are disposed close to the outer side of the gear.

[0011] The positive effects of the above technical solution compared with the existing technology are:

[0012] By applying this utility model, a combined gear structure is provided, in which the gear and the internal gear ring are processed separately, which greatly simplifies the manufacturing process. By optimizing the processing technology according to the characteristics of different components, not only is the production efficiency improved, but the production cost is also reduced. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a combined gear structure according to the present invention.

[0014] 1. Gear; 2. Internal gear ring; 3. Cylindrical pin; 4. Screw; 5. Mounting hole; 6. Threaded groove; 7. Groove; 8. Threaded hole; 9. Pin hole. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0016] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0017] like Figure 1 As shown, a preferred embodiment of a combined gear structure is illustrated, comprising: a gear 1, an internal gear ring 2, a plurality of cylindrical pins 3, and a plurality of screws 4.

[0018] One end of the gear 1 has a mounting hole 5, and one end of the internal gear ring 2 is installed in the mounting hole 5. One end of the gear 1 has a plurality of threaded grooves 6 and a plurality of recesses 7, which are arranged along the circumference of the gear 1. The other end of the internal gear ring 2 has a plurality of threaded holes 8 and pin holes 9. One end of each screw 4 passes through a corresponding threaded hole 8 and is installed in a corresponding threaded groove 6. One end of each cylindrical pin 3 passes through a corresponding pin hole 9 and is installed in a corresponding recess 7.

[0019] In actual use, first install one end of the internal gear ring 2 into the mounting hole 5 of the gear 1, then install the screw 4 into the corresponding threaded hole 8 and threaded groove 6, and then install the cylindrical pin 3 into the corresponding pin hole 9 and groove 7, thus completing the overall installation.

[0020] Based on the above, this utility model also has the following embodiments:

[0021] Furthermore, a combined gear structure is provided, wherein gear 1 is made of low alloy steel.

[0022] Furthermore, a combined gear structure is provided, wherein the internal gear ring 2 is made of carbon steel.

[0023] Furthermore, a combined gear structure is provided, wherein the number of cylindrical pins 3 is sixteen.

[0024] Furthermore, a combined gear structure is provided, wherein the threaded groove 6 and the recess 7 are both located close to the outer side of the gear 1.

[0025] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A combined gear structure, characterized in that, include: Gears, internal gear rings, several cylindrical pins, and several screws; A mounting hole is provided at one end of the gear, and one end of the internal gear ring is installed in the mounting hole; One end of the gear is provided with a plurality of threaded grooves and a plurality of recesses, all of which are arranged along the circumference of the gear. The other end of the internal gear ring is provided with a plurality of threaded holes and pin holes. One end of each screw passes through a corresponding threaded hole and is installed in a corresponding threaded groove. One end of each cylindrical pin passes through a corresponding pin hole and is installed in a corresponding recess.

2. The combined gear structure according to claim 1, characterized in that, The gear is made of low-alloy steel.

3. The combined gear structure according to claim 1, characterized in that, The internal gear ring is made of carbon steel.

4. The combined gear structure according to claim 1, characterized in that, The number of cylindrical pins is sixteen.

5. A combined gear structure according to claim 1, characterized in that, Both the threaded groove and the recess are located close to the outer side of the gear.