Aluminum shell gearbox

By designing an aluminum-shell gear box, using high-strength aluminum alloy material and optimized design, the problems of short service life and large starting torque of existing gear reducer motors are solved, and the effects of extending service life, improving performance and reducing starting torque are achieved.

CN222772645UActive Publication Date: 2025-04-18NANJING SPECIAL MOTOR PLANT CO
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Patent Information

Application Number
CN202421837108.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-04-18
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing gear reducer motors have problems such as short service life and large starting torque during use, which limits their application range.

Method used

An aluminum-shell gear box is designed with high-strength aluminum alloy material, gear set and optimized design to extend service life and reduce starting torque.

Benefits of technology

By selecting high-quality steel and optimizing design, the service life of the gearbox is extended, performance and working pressure are improved, volumetric efficiency is increased, and starting torque is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an aluminum shell gear box which comprises a box body and a box cover, and a circle of bolts are arranged on the surrounding edge of the box cover. The box body and the box cover are detachably connected through bolts. A left oil inlet and a right oil inlet are respectively formed in two sides of the box body; an oil outlet is further formed in the front end face of the box body. The rear end face of the box body is further provided with an exhaust port. The gear box is unique in conception and simple in structure, the service life of the gear box can be prolonged due to the selected high-quality steel in actual use, the performance and the working pressure of the gear box are improved due to the optimized design, the volume efficiency of the gear box is increased, and the starting torque of the gear box is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of machinery, in particular to an aluminum shell gear box. Background Art

[0002] At present, as an indispensable power equipment, reduction motors have been widely used in printing machinery, corrugated machinery, packaging machinery, conveying machinery, food machinery and other equipment. However, with the promotion of its application, there are higher requirements for motors in some fields, and at the same time, its own defects have emerged, such as short service life and large starting torque, which leads to certain restrictions on the use of reduction motors. Summary of the invention

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an aluminum shell gear box.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an aluminum shell gear box, including a box body and a box cover, a circle of bolts is arranged around the edge of the box cover; the box body and the box cover are disassembled and connected by bolts; a left oil inlet and a right oil inlet are respectively arranged on both sides of the box body; an oil outlet is also arranged on the front end surface of the box body; and an exhaust port is also arranged on the rear end surface of the box body.

[0005] Preferably, the box body is also provided with a gear set, which includes a motor gear, a first gear, a second gear, a third gear and a fourth gear in sequence; the motor gear and the first gear are engaged in gear transmission; the first gear and the second gear are engaged in gear transmission; the second gear and the third gear are engaged in gear transmission; the third gear and the fourth gear are engaged in gear transmission.

[0006] Preferably, the motor gear, the first gear, the second gear, the third gear and the fourth gear are all helical gears.

[0007] Preferably, the box body and the box cover are made of high-strength aluminum alloy material.

[0008] Preferably, an output shaft is also provided at the end of the fourth gear.

[0009] Preferably, the interior of the box cover is hollowed out and has reinforcing ribs evenly distributed inside.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the gearbox described in the utility model has a unique concept and a simple structure. In actual use, the selected high-quality steel can extend its service life. At the same time, the more optimized design improves its performance and working pressure, increases its volumetric efficiency, and reduces its starting torque. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the bolt of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the left oil inlet of the utility model;

[0014] Figure 4 This is a schematic diagram of the right oil inlet structure of the utility model;

[0015] Figure 5 This is a schematic diagram of the oil outlet structure of the utility model;

[0016] Figure 6 This is a schematic diagram of the exhaust port structure of the utility model;

[0017] Figure 7 This is a schematic diagram of the reinforcing rib structure of the utility model;

[0018] Figure 8 This is a schematic diagram of the structure of the gear set of the utility model;

[0019] In the figure: 1-box body; 2-box cover; 3-bolt; 4-left oil inlet; 5-right oil inlet; 6-oil outlet; 7-exhaust port; 8-gear set; 21-reinforcement rib; 81-motor gear; 82-first gear; 83-second gear; 84-third gear; 85-fourth gear; 86-output shaft. DETAILED DESCRIPTION

[0020] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0021] Please refer to Figure 1 An aluminum shell gearbox comprises a box body 1 and a box cover 2, wherein a circle of bolts 3 are arranged around the edge of the box cover 2; the box body 1 and the box cover 2 are disassembled and connected by bolts 3; a left oil inlet 4 and a right oil inlet 5 are respectively arranged on both sides of the box body 1; an oil outlet 6 is also arranged on the front end surface of the box body 1; an exhaust port 7 is also arranged on the rear end surface of the box body 1.

[0022] An anaerobic adhesive is also applied between the box body 1 and the box cover 2 , and 6 cylindrical positioning pins are arranged between the box body 1 and the box cover 2 .

[0023] The anaerobic adhesive has good vibration resistance and corrosion resistance and is suitable for fixing and sealing mechanical parts; the cylindrical locating pin and the bolt 3 cooperate to connect the box body 1 and the box cover 2.

[0024] The left oil inlet 4, the right oil inlet 5 and the oil outlet 6 are fastened with screw plugs and are equipped with oil-resistant rubber screw plug pads; the exhaust port 7 is installed with a copper dust-proof pressure breather cap.

[0025] Oil-resistant rubber screw plug gaskets effectively prevent the leakage of liquids (especially lubricating oil or other liquid media) or gases; they can maintain their sealing performance under high pressure or high temperature conditions.

[0026] The copper dust-proof pressure vent cap can effectively prevent dust, particles or other impurities from entering the equipment or container. Through specific design and material selection, it maintains ventilation while blocking external pollutants, maintaining the cleanliness and stability of the internal environment of the equipment; by maintaining pressure balance and dust-proof function inside and outside the equipment or container, the copper dust-proof pressure vent cap helps to improve the safety and stability of the equipment. It can reduce operational problems or equipment damage caused by changes in the external environment, thereby extending the service life and reliability of the equipment.

[0027] Preferably, the housing 1 is further provided with a gear set 8, which includes a motor gear 81, a first gear 82, a second gear 83, a third gear 84 and a fourth gear 85 in sequence; the motor gear 81 and the first gear 82 are gear-engaged in transmission; the first gear 82 and the second gear 83 are gear-engaged in transmission; the second gear 83 and the third gear 84 are gear-engaged in transmission; the third gear 84 and the fourth gear 85 are gear-engaged in transmission.

[0028] Preferably, the motor gear 81 , the first gear 82 , the second gear 83 , the third gear 84 and the fourth gear 85 are all helical gears.

[0029] Preferably, the box body 1 and the box cover 2 are both made of high-strength aluminum alloy material.

[0030] Preferably, an output shaft 86 is further provided at the end of the fourth gear 75 .

[0031] Preferably, the box cover 2 is hollowed out inside, and reinforcing ribs 21 are evenly distributed inside.

[0032] The box cover 2 with a hollow interior is convenient for tooling drainage; at the same time, the provision of the reinforcing ribs 21 can achieve lightweight structure, save materials and costs, improve the economic benefits of the project, and reduce thickness and weight.

[0033] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. An aluminum housing gearbox, comprising a housing (1) and a housing cover (2), characterized in that: A circle of bolts (3) is arranged around the edge of the box cover (2); the box body (1) and the box cover (2) are connected by bolts (3) for disassembly; a left oil inlet (4) and a right oil inlet (5) are respectively arranged on both sides of the box body (1); an oil outlet (6) is also arranged on the front end surface of the box body (1); and an exhaust port (7) is also arranged on the rear end surface of the box body (1).

2. An aluminum housing gearbox according to claim 1, characterized in that: The housing (1) is further provided with a gear set (8), which comprises a motor gear (81), a first gear (82), a second gear (83), a third gear (84) and a fourth gear (85) in sequence; the motor gear (81) and the first gear (82) are gear-engaged for transmission; the first gear (82) and the second gear (83) are gear-engaged for transmission; the second gear (83) and the third gear (84) are gear-engaged for transmission; and the third gear (84) and the fourth gear (85) are gear-engaged for transmission.

3. An aluminum housing gearbox as claimed in claim 2, characterized in that: The motor gear (81), the first gear (82), the second gear (83), the third gear (84) and the fourth gear (85) are all helical gears.

4. The aluminum housing gearbox according to claim 1, characterized in that: The box body (1) and the box cover (2) are both made of high-strength aluminum alloy material.

5. The aluminum housing gearbox according to claim 2, characterized in that: An output shaft (86) is also provided at the end of the fourth gear (85).

6. The aluminum housing gearbox according to claim 1, characterized in that: The box cover (2) is hollowed out internally, and has reinforcing ribs (21) evenly distributed internally.