Oil pumping prevention gearbox

By incorporating partitions and gaps in the gearbox to prevent oil leakage, the problem of lubricating oil spillage is solved, effectively sealing the lubricating oil and preventing environmental pollution.

CN224064808UActive Publication Date: 2026-03-31FOSHAN BANGSHENGWEI PRECISION MFG TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

During long-term operation, conventional gearboxes can easily allow lubricating oil to flow into the gearbox body through the high-speed rotating helical gears, resulting in excessive lubricating oil overflow and environmental pollution.

Method used

Design an anti-oil-flow gearbox, including a gear groove, a transition groove and an oil groove. By setting a partition and a partition gap between the transition groove and the oil groove, lubricating oil is prevented from entering the gearbox body and lubricating oil overflow is prevented.

Benefits of technology

It effectively prevents lubricating oil from entering the gearbox, avoids overflow caused by excessive lubricating oil, and protects the environment from pollution.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224064808U_ABST
    Figure CN224064808U_ABST
Patent Text Reader

Abstract

The utility model discloses an oil pumping prevention gearbox, which belongs to the technical field of gear transmission and comprises a gearbox body, a gear groove, a transition groove and an oil groove. The gear groove is formed in an opening of the gear box body and communicates with the interior of the gear box body. The transition grooves are symmetrically distributed in the two sides of the gear groove, and the oil grooves are symmetrically distributed in the two sides of the gear groove. Wherein the oil groove is formed in the side, away from the gear groove, of the transition groove, a partition gap is formed between the oil groove and the transition groove, a first partition piece is arranged on the side, close to the oil groove, of the transition groove, and the first partition piece protrudes upwards relative to the groove bottom of the transition groove. According to the oil pumping prevention gearbox, the problem that when an existing gearbox is used, lubricating oil in the oil groove flows into the gearbox to be accumulated, and finally overflows to pollute the environment is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of gear transmission technology, and in particular to an anti-oil leakage gearbox. Background Technology

[0002] A typical gearbox consists of an oil sump and a gearbox body. The oil sump rests on the lugs of the gearbox body, and the lubricating oil in the sump easily flows into the gearbox body through the high-speed rotating helical gears. After prolonged and continuous operation, the lubricating oil in the gearbox body will accumulate, eventually filling the gearbox and causing lubricating oil to overflow and pollute the environment. Utility Model Content

[0003] In order to overcome the defects of the existing technology, this utility model provides an anti-oil leakage gearbox to solve the above problems.

[0004] The technical solution adopted by this utility model to solve its technical problem is: an anti-oil-channeling gearbox, including a gearbox body, a gear groove, a transition groove and an oil groove;

[0005] The gear slot is located at the open opening of the gearbox and communicates with the interior of the gearbox.

[0006] The transition grooves are symmetrically distributed on both sides of the gear groove, and the oil grooves are symmetrically distributed on both sides of the gear groove; wherein, the oil groove is located on the side of the transition groove away from the gear groove, and a partition gap is provided between the oil groove and the transition groove, and a first partition member is provided on the side of the transition groove near the oil groove, the first partition member protruding upward relative to the bottom of the transition groove.

[0007] Preferably, a second partition is provided on the side of the oil tank near the transition groove, and the second partition protrudes upward relative to the bottom of the oil tank.

[0008] Optionally, the gear groove is provided with lugs on both sides, and the transition groove and the oil groove are both provided on the lugs.

[0009] Specifically, the housing lug is divided into a first mounting section and a second mounting section in sequence from the direction closest to the gear groove to the direction furthest from the gear groove. The transition groove is connected to the first mounting section, and the oil groove is connected to the second mounting section.

[0010] It is worth noting that a mounting panel is provided on the side of the gear slot away from the gearbox body, and the mounting panel has mounting screw holes.

[0011] Preferably, the gearbox body, gear groove, gear lugs, and mounting panel are integrally formed.

[0012] The beneficial effects of this utility model are as follows: In the anti-oil-spreading gearbox, the gearbox body is used to house the driving gear, the gear slot is used to house the driven gear, and the transmission shaft passes through the driven gear and is located in the transition slot and the oil slot. A helical gear is provided at the position of the transmission shaft in the oil slot to achieve gear transmission connection with other equipment. The transition slot is provided with a bearing seat to support the transmission shaft. When the driving gear rotates, it drives the driven gear to rotate, which in turn drives the transmission shaft to rotate in the bearing seat, thereby driving the helical gear to rotate. Because the transition slot and the oil slot are separated by a first partition, even if the helical gear causes lubricating oil to flow towards the gearbox body during rotation, the lubricating oil cannot enter the transition slot due to the partition gap and the first partition. This prevents the lubricating oil in the oil slot from entering the gearbox body through the gear slot, achieving the purpose of preventing oil spillage and ensuring that the lubricating oil in the gearbox body does not increase and overflow, thus avoiding lubricating oil spillage and environmental pollution. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the anti-oil-slip gearbox in one embodiment of the present invention;

[0014] Figure 2 This is a schematic diagram of the anti-oil-slip gearbox in another embodiment of the present invention;

[0015] Figure 3 This is a schematic diagram of the structure of the gearbox body, gear groove, gearbox lugs and mounting panel in one embodiment of the present invention;

[0016] Figure 4 This is a schematic diagram of the structure of the gearbox body, gear groove, transition groove, gearbox lug and mounting panel in one embodiment of the present invention;

[0017] Figure 5 This is a top view of the anti-oil-slip gearbox, driven wheel, transmission shaft, helical gear, and bearing housing in one embodiment of the present invention;

[0018] In the diagram: 1 Gearbox body; 2 Gear groove; 3 Transition groove; 31 First partition; 4 Oil groove; 41 Second partition; 5 Partition gap; 6 Box lug; 61 First mounting section; 62 Second mounting section; 7 Mounting panel; 8 Driven wheel; 9 Drive shaft; 91 Helical gear; 92 Bearing seat. Detailed Implementation

[0019] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] like Figure 1-5 As shown, an anti-oil-slip gearbox includes a gearbox body 1, a gear groove 2, a transition groove 3, and an oil groove 4;

[0021] The gear groove 2 is provided at the open opening of the gearbox 1 and communicates with the interior of the gearbox 1;

[0022] The transition grooves 3 are symmetrically distributed on both sides of the gear groove 2, and the oil grooves 4 are symmetrically distributed on both sides of the gear groove 2; wherein, the oil grooves 4 are located on the side of the transition groove 3 away from the gear groove 2, and a partition gap 5 is provided between the oil grooves 4 and the transition grooves 3. A first partition member 31 is provided on the side of the transition groove 3 near the oil groove 4, and the first partition member 31 protrudes upward relative to the bottom of the transition groove 3.

[0023] In the aforementioned anti-oil-slip gearbox, such as Figure 5 As shown, the gearbox 1 is used to house the driving gear, the gear groove 2 is used to house the driven gear, and the drive shaft 9 passes through the driven gear and is located in the transition groove 3 and the oil groove 4. A helical gear 91 is located at the position of the drive shaft 9 in the oil groove 4 to achieve gear transmission connection with other equipment. The transition groove 3 is provided with a bearing seat 92 to support the drive shaft 9. When the driving gear rotates, it drives the driven gear 8 to rotate, which in turn drives the drive shaft 9 to rotate in the bearing seat 92, thereby driving the helical gear 91 to rotate. Because the transition groove 3 and the oil groove 4 are separated by the first partition 31, even if the helical gear 91 rotates and causes lubricating oil to flow towards the gearbox 1, the lubricating oil cannot enter the transition groove 3 due to the partition gap 5 and the first partition 31. This prevents the lubricating oil in the oil groove 4 from entering the gearbox 1 through the gear groove 2, achieving the purpose of preventing oil leakage and ensuring that the lubricating oil in the gearbox 1 does not increase and overflow, thus avoiding lubricating oil spillage and environmental pollution.

[0024] It is worth noting that a second partition 41 is provided on the side of the oil tank 4 near the transition groove 3. The second partition 41 protrudes upward relative to the bottom of the oil tank 4. By providing the second partition 41 and cooperating with the first partition 31, a partition gap 5 is formed between the transition groove 3 and the oil tank 4. Furthermore, due to the presence of the second partition 41, the lubricating oil in the oil tank 4 will not flow into the partition gap 5, ensuring that the lubricating oil remains only in the oil tank 4.

[0025] Preferably, the gear groove 2 is provided with lugs 6 on both sides, and the transition groove 3 and the oil groove 4 are both provided on the lugs 6. The lugs 6 serve to support the transition groove 3 and the oil groove 4, so that the transition groove 3 and the oil groove 4 can form an integral part with the gear groove 2.

[0026] Optional, such as Figure 1 , 2 As shown in Figure 4, the housing ear 6 is divided into a first mounting section 61 and a second mounting section 62 in a direction from the gear groove 2 away from the gear groove 2. The transition groove 3 is connected to the first mounting section 61, and the oil groove 4 is connected to the second mounting section 62.

[0027] In this embodiment, the length of the transition groove 3 is shorter than the length of the lug 6, and the entire transition groove 3 can be set on the first mounting section 61 of the lug 6. The length of the oil groove 4 is designed to be the length of the drive shaft 9 to be used. Therefore, during installation, one end of the oil groove 4 is connected to the second mounting section 62 of the lug 6 to fix the oil groove 4 to the lug 6, while the other end of the oil groove 4 extends away from the lug 6 to meet the length requirements of the drive shaft 9.

[0028] Specifically, a mounting panel 7 is provided on the side of the gear slot 2 away from the gearbox body 1, and the mounting panel 7 has mounting screw holes. The mounting panel 7 is provided for connection to a wall or other machine through the mounting screw holes, so that the gearbox can be mounted on the wall or other machine.

[0029] It is worth noting that, such as Figure 3 As shown, the gearbox body 1, gear groove 2, gear lug 6, and mounting panel 7 are integrally formed. The integrally formed gearbox body 1, gear groove 2, gear lug 6, and mounting panel 7 can increase the rigidity.

[0030] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. An oil scavenging gearbox, characterized by: The gear box body, the gear groove, the transition groove and the oil groove are included. The gear groove is arranged at the open end of the gear box body and communicates with the inside of the gear box body. The transition grooves are symmetrically arranged at two sides of the gear groove, and the oil grooves are symmetrically arranged at two sides of the gear groove.

2. An oil bypassing gear box as claimed in claim 1 wherein: The oil groove is arranged at the side of the transition groove away from the gear groove, and a partition gap is arranged between the oil groove and the transition groove.

3. An oil bypassing gear box as claimed in claim 1, wherein: The first partition member is arranged at the side of the transition groove close to the oil groove.

4. An oil bypassing gear box as claimed in claim 3 wherein: The second partition member is arranged at the side of the oil groove close to the transition groove.

5. An oil bypassing gear box as claimed in claim 3 wherein: The box ears are arranged at two sides of the gear groove.

6. An oil-containment gearbox according to claim 5, characterised in that: The transition groove and the oil groove are arranged at the box ears. The box ear is divided into the first mounting section and the second mounting section from the side close to the gear groove to the side away from the gear groove. The transition groove is connected with the first mounting section, and the oil groove is connected with the second mounting section. The mounting panel is arranged at the side of the gear groove away from the gear box body. The gear box body, the gear groove, the box ear and the mounting panel are integrally formed.