Input device for speed reducer

By designing an input device on the reducer and using detachable bevel gears and oil slingers for lubrication, the problems of high lubrication costs and easy overheating and oil leakage in the prior art are solved, achieving low-cost and reliable lubrication.

CN224049664UActive Publication Date: 2026-03-27JIANGSU GUOMAO REDUCER GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing speed reducers require additional oil pumps and pipelines for lubrication, resulting in high costs and problems such as overheating and oil leakage caused by oil immersion lubrication.

Method used

An input device for a speed reducer is designed, comprising a detachable input device housing, a coupling, a detachable bevel gear, and an oil slinger ring. Lubrication is achieved through the meshing of the bevel gear with the gear shaft of the speed reducer, thus avoiding the use of an oil pump and pipelines.

Benefits of technology

It reduces lubrication costs, avoids the heat generation and oil leakage problems caused by oil immersion lubrication, and also reduces the size and structural complexity of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an input device for a speed reducer, which relates to the technical field of speed reducer lubrication and comprises a speed reducer, a speed reducer gear shaft and a detachable input device shell arranged on one side of the bottom end of the speed reducer, and a detachable coupler is arranged in the input device shell. A detachable bevel gear is arranged at the output end of the coupler. In order to avoid the situation that an oil pump and a pipeline need to be added for lubricating the speed reducer, one end of the speed reducer is provided with the input device, the coupler is fixedly connected to the interior of a shell of the input device, the detachable bevel gear is arranged at the output end of the coupler, and the oil slinger is fixedly connected to the outer wall of the bevel gear. The bevel gear and the speed reducer gear shaft meshed with the bevel gear are lubricated through the oil slinger, the problem of high cost caused by an oil feeding pump and a pipeline is solved, and meanwhile the problem of heating caused by oil immersion lubrication is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a reducer lubrication technical field, especially input device for a reducer. BACKGROUND

[0002] The reducer is an important mechanical transmission device, is connected with the motor usually through the shaft coupling, is widely used in each industry and field, and effective and reliable lubrication is the cornerstone of the stable operation of the reducer. For small general reducer, forced lubrication needs to be attached to the oil pump and pipeline, the cost is higher, the oil immersion lubrication stirring oil loss is big and easy to heat and leak, therefore, it is very necessary to produce and manufacture a kind of input device for a reducer with low cost and prevent the reducer from being immersed in oil. SUMMARY

[0003] The utility model discloses a kind of input device for a reducer, to solve the problem of additional oil pump and pipeline increase cost when lubricating the existing reducer in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: an input device for a reducer, including reducer and reducer gear shaft and the oil discharge port of one side of reducer bottom end, the side of the reducer is equipped with detachable input device shell, the inside of the input device shell is equipped with detachable shaft coupling, the output end of the shaft coupling is equipped with detachable bevel gear, the outer wall of the bevel gear is sleeved with oil throwing ring, the reducer gear shaft is engaged with bevel gear and is connected, the input end of the shaft coupling is fixedly connected with the output end of motor.

[0005] Preferably, the flange edge of the input device shell is provided with a plurality of fastening bolts one, and the plurality of fastening bolts one are threaded through the flange edge of the input device shell and are screwed with the reducer.

[0006] Preferably, the outer diameter of the shaft coupling is fixedly connected with a transparent cover, the flange edge of the transparent cover is provided with a plurality of fastening bolts two, and the fastening bolts two are threaded through the flange edge of the transparent cover and are screwed with the input device shell.

[0007] Preferably, the inner wall of the shaft coupling is further provided with an oil seal.

[0008] Preferably, the output end of the shaft coupling is fixedly connected with a pressing plate through a bolt, and the end of the bevel gear away from the reducer gear shaft is fixedly connected with the pressing plate.

[0009] Preferably, the outer wall of the output end of the shaft coupling is sleeved with a tapered roller bearing, and the outer wall of the shaft coupling is fixedly connected with a bearing baffle for fixing the tapered roller bearing.

[0010] Preferably, the inner wall of the speed reducer is also filled with machine oil, and the oil surface of the machine oil does not exceed the warning line, and the bottom side of the inside of the input device shell is provided with an oil return port.

[0011] The technical effects and advantages of the utility model are as follows: the utility model is provided with an input device at one end of the speed reducer, the inside of the shell of the input device is fixedly connected with a shaft coupling, the output end of the shaft coupling is provided with a detachable bevel gear, the outer wall of the bevel gear is fixedly connected with an oil throwing ring, the bevel gear and the speed reducer gear shaft engaged with the bevel gear are lubricated through the oil throwing ring, the problem of high cost caused by the oil pump and pipeline is avoided, and the problem of heating caused by oil immersion lubrication is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the sectional structure of the utility model.

[0013] Figure 2 It is Figure 1 It is an enlarged structure schematic view of A in the middle.

[0014] In the drawing: 1, speed reducer; 2, speed reducer gear shaft; 3, input device shell; 4, shaft coupling; 5, oil throwing ring; 6, fastening bolt one; 7, transparent cover; 8, fastening bolt two; 9, oil seal; 10, oil return port; 11, bevel gear; 12, pressing plate; 13, tapered roller bearing; 14, bearing baffle; 15, warning line; 16, oil discharge port. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] The utility model provides a kind of input device for speed reducer as shown in Figures 1-2 The utility model provides a kind of input device for speed reducer as shown in

[0017] For the existing small general speed reducer 1, forced lubrication needs additional oil pump and pipeline, the cost is higher, if the oil immersion lubrication stirring loss is big and easy to heat leakage problem, the utility model discloses a input device shell 3 is installed at one end of speed reducer 1, the detachable coupling 4 is installed in the inside of input device shell 3, the output end of coupling 4 is provided with bevel gear 11 that is engaged with speed reducer gear shaft 2, and the outer wall of bevel gear 11 is fixedly connected with oil throwing ring 5, and the oil throwing lubrication of speed reducer gear shaft 2 and bevel gear 11 is carried out, the utility model discloses does not need oil immersion lubrication, avoids the oil stirring heat leakage caused by oil immersion lubrication;

[0018] In addition, the prior art also has an oil throwing ring 5 arranged on the gear shaft of the speed reducer 1, and the main source of power of the speed reducer 1 is a motor, the motor and the speed reducer 1 are usually fixed on a base or a rack, and then connected through a coupling 4, which has a complex structure and a large size. The utility model installs the coupling 4 in the input device shell 3, so that the overall size is reduced, sealing is facilitated, and oil leakage is prevented.

[0019] As shown in Figure 1 , the flange edge of the input device shell 3 is provided with a plurality of fastening bolts 1, and the fastening bolts 1 are threaded into the flange edge of the input device shell 3 and connected with the speed reducer 1.

[0020] As shown in Figure 1 , the outer diameter of the coupling 4 is fixedly connected with a transparent cover 7, the flange edge of the transparent cover 7 is provided with a plurality of fastening bolts 2, and the fastening bolts 2 are threaded into the flange edge of the transparent cover 7 and connected with the input device shell 3.

[0021] As shown in Figure 1 , the inner wall of the coupling 4 is also provided with an oil seal 9, which seals the transparent cover 7 and the coupling 4 to prevent oil leakage.

[0022] As shown in Figure 1 , the output end of the coupling 4 is fixedly connected with a pressing plate 12 through a bolt, and the end of the bevel gear 11 away from the speed reducer gear shaft 2 is fixedly connected with the pressing plate 12.

[0023] As shown in Figure 2 , the outer wall of the output end of the coupling 4 is sleeved with a tapered roller bearing 13, and the outer wall of the coupling 4 is fixedly connected with a bearing baffle 14 for fixing the tapered roller bearing 13.

[0024] The tapered roller bearing 13 can reduce the friction and heat generation of the output end of the coupling 4, prolonging the service life of the coupling 4.

[0025] As shown in Figure 1 , the inner wall of the speed reducer 1 is also filled with oil, and the oil level of the oil does not exceed the warning line 15, and the bottom side of the inside of the input device shell 3 is provided with an oil return port 10.

[0026] It should be pointed out finally that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A kind of input device for speed reducer, including speed reducer (1) and speed reducer gear shaft (2) and the oil outlet (16) of the bottom end side of speed reducer (1), it is characterized by: The side of the speed reducer (1) is provided with a detachable input device shell (3), the inside of the input device shell (3) is provided with a detachable shaft coupling (4), the output end of the shaft coupling (4) is provided with a detachable bevel gear (11), the outer wall of the bevel gear (11) is sleeved with an oil flinger (5), the speed reducer gear shaft (2) is connected with the bevel gear (11) in meshing mode, and the input end of the shaft coupling (4) is fixedly connected with the output end of the motor.

2. The input device for a speed reducer according to claim 1, characterized in that: The flange edge of the input device shell (3) is provided with a plurality of fastening bolts (6), the plurality of fastening bolts (6) are threaded through the flange edge of the input device shell (3) and are screwed with the speed reducer (1).

3. The input device for a speed reducer according to claim 1, characterized in that: The outer diameter of the shaft coupling (4) is fixedly connected with a transparent cover (7), the flange edge of the transparent cover (7) is provided with a plurality of fastening bolts (8), and the fastening bolts (8) are threaded through the flange edge of the transparent cover (7) and are screwed with the input device shell (3).

4. The input device for a speed reducer according to claim 3, characterized in that: The inner wall of the shaft coupling (4) is further provided with an oil seal (9).

5. The input device for a speed reducer according to claim 1, characterized in that: The output end of the shaft coupling (4) is fixedly connected with a pressing plate (12) through bolts, and the end, away from the speed reducer gear shaft (2), of the bevel gear (11) is fixedly connected with the pressing plate (12).

6. The input device for a speed reducer according to claim 1, characterized in that: The outer wall of the output end of the shaft coupling (4) is sleeved with a tapered roller bearing (13), and the outer wall of the shaft coupling (4) is fixedly connected with a bearing baffle (14) for fixing the tapered roller bearing (13).

7. The input device for a speed reducer according to claim 1, characterized in that: The inner wall of the speed reducer (1) is further filled with machine oil, and the oil surface of the machine oil does not exceed a warning line (15), and the bottom side of the inside of the input device shell (3) is provided with an oil return port (10).