Side three-wheel speed reducer

Abstract

The utility model provides a side three-wheel speed reducer, which belongs to the technical field of speed reducers and comprises a box body, a cover plate and a transmission component, the box body is fixedly connected with the cover plate through bolts, and the transmission component is arranged in the box body and comprises a transmission flange plate, an inner spline groove, a driving shaft, an outer spline groove, a driven gear ring, a driving bevel gear, a liner tube and an inner bearing. And the driving shaft is rotationally embedded in the box body. Through the transmission assembly, the efficient lubricating and resistance reducing functions can be achieved, the situation that in the continuous high-torque rotation working environment, lubricating oil cannot achieve the continuous lubricating function on the driving shaft, the driven gear ring and the driving bevel gear is avoided, and therefore internal parts of the speed reducer are protected against corrosion, and the lining pipe has good abrasion resistance; direct contact and abrasion between parts can be reduced, the liner pipe can further improve fluid in the speed reducer, pipeline resistance and energy consumption are reduced, and then the transmission efficiency of the speed reducer is improved to a certain degree.

Description

Technical Field

[0001] The utility model belongs to the technical field of speed reducers, and particularly relates to a sidecar speed reducer. Background Technique

[0002] The sidecar speed reducer, as an important part of the power transmission system of sidecar vehicles (such as sidecar motorcycles), mainly undertakes the tasks of reducing speed and increasing torque to ensure that the vehicle can travel smoothly and efficiently. The following is a detailed analysis of the sidecar speed reducer: Definition: The sidecar speed reducer is a transmission device connecting the engine (or motor) and the wheel. Through the precise cooperation of internal transmission elements such as gears and worms, it realizes the conversion of power from high-speed and low-torque to low-speed and high-torque. Reducing speed: Converting the high-speed rotation output by the engine into the low-speed rotation required by the wheel to meet the speed requirements of vehicle driving. Increasing torque: While reducing speed, significantly increasing the output torque to enhance the driving force and climbing ability of the vehicle. Protecting the transmission system: By reducing the impact and vibration during power transmission, protecting other components of the transmission system from damage and extending the service life.

[0003] Regarding the structural or design problems of the speed reducer, unreasonable structural design of the speed reducer, such as blocked oil channels and poor oil return, will affect the fluidity of the lubricating oil. Aging and damage of the seals inside the speed reducer, resulting in oil leakage or air ingress, will also affect the performance of the lubricating oil. Poor lubrication, due to the poor fluidity of the lubricating oil, cannot form an effective oil film between components such as gears and bearings, resulting in direct contact between the friction surfaces and causing wear. The metal debris generated by the wear will further contaminate the lubricating oil, forming a vicious cycle. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sidecar speed reducer, aiming to solve the problems raised in the background technique.

[0005] The sidecar speed reducer includes

[0006] a box body and a cover plate, and the box body and the cover plate are fixedly connected by bolts;

[0007] A transmission assembly is arranged inside the casing, wherein: the transmission assembly includes a transmission flange, an inner spline groove, a drive shaft, an outer spline groove, a driven gear ring, a driving bevel gear, a liner and an inner bearing, the drive shaft is rotatably embedded in the interior of the casing, the driven gear ring is sleeved on the outer wall of the drive shaft, the driven gear ring and the driving bevel gear are meshed and transmitted, the liner is embedded in the interior of the drive shaft, the inner bearing is embedded in the inner walls of both ends of the drive shaft, the driving bevel gear is rotatably embedded in the interior of the casing, the inner spline groove is opened at the center of the inner wall of the transmission flange, the outer spline groove is opened at the outer wall of one end of the drive shaft, and the outer spline groove and the inner spline groove of the transmission flange are sleeved on the outer wall of one end of the drive shaft.

[0008] Furthermore, a universal joint is rotatably embedded in the inner wall of one end of the box body, and a fixing bolt is threadedly connected to the inner wall of one end of the universal joint.

[0009] Furthermore, one end of the fixing bolt is threadedly connected to the inner wall of the driving bevel gear.

[0010] Furthermore, a second oil seal is sleeved on one side of the outer wall of the drive shaft, and the outer wall of the second oil seal is in contact with the inner wall of the housing. An outer bearing is sleeved on one side of the outer wall of the drive shaft, and the outer bearing is embedded in the inner wall of the housing, and one side of the outer wall of the outer bearing is in contact with the outer wall of the second oil seal.

[0011] Furthermore, a first oil seal is embedded in one side of the inner wall of the box body, and the first oil seal is sleeved on the protrusion of the outer wall of the transmission flange.

[0012] Furthermore, a sealing ring is sleeved on the outer wall of one end of the driving shaft, and the sealing ring and the cover plate match each other.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Through the transmission assembly, efficient lubrication and drag reduction functions can be achieved to avoid the situation in which the lubricating oil cannot continuously lubricate the drive shaft, driven gear ring and active bevel gear in a working environment with continuous high torque rotation. The use of the liner can isolate these media from direct contact with metal parts, thereby protecting the internal parts of the reducer from corrosion and wear-resistant protection: During the operation of the reducer, friction and wear will occur between the internal parts. The liner has good wear resistance and can reduce direct contact and wear between parts, thereby extending the service life of the reducer. The liner can also increase the flow rate of the fluid inside the reducer, such as lubricating oil, reduce pipeline resistance and energy consumption, and thus improve the transmission efficiency of the reducer to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is a three-dimensional view of the present utility model;

[0017] Figure 2 is a partial semi-section three-dimensional view of the present utility model;

[0018] Figure 3 is a three-dimensional view of the driven gear ring of the present utility model.

[0019] In the figure: 1, box body; 2, cover plate; 3, transmission flange; 4, universal joint; 5, drive shaft; 6, driven gear ring; 7, driving bevel gear; 8, fixing bolt; 9, lining tube; 10, inner bearing; 11, outer bearing; 12, first oil seal; 13, second oil seal; 14, sealing ring; 301, internal spline groove; 501, external spline groove. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] See also Figures 1 - 3 , the technical solutions provided in this embodiment are as follows:

[0024] Sidecar reducer, including:

[0025] The box body 1 and the cover plate 2 are fixedly connected by bolts;

[0026] The transmission assembly is arranged inside the housing 1, wherein: the transmission assembly includes a transmission flange 3, an inner spline groove 301, a drive shaft 5, an outer spline groove 501, a driven gear ring 6, a driving bevel gear 7, a liner 9 and an inner bearing 10, the drive shaft 5 is rotatably embedded in the interior of the housing 1, the driven gear ring 6 is sleeved on the outer wall of the drive shaft 5, the driven gear ring 6 and the driving bevel gear 7 are meshed and connected, the liner 9 is embedded in the interior of the drive shaft 5, the inner bearing 10 is embedded in the inner walls of both ends of the drive shaft 5, the driving bevel gear 7 is rotatably embedded in the interior of the housing 1, the inner spline groove 301 is opened at the center of the inner wall of the transmission flange 3, the outer spline groove 501 is opened at the outer wall of one end of the drive shaft 5, and is sleeved on the outer wall of one end of the drive shaft 5 through the outer spline groove 501 and the inner spline groove 301 of the transmission flange 3.

[0027] In a specific embodiment of the present invention, the transmission assembly can achieve efficient lubrication and drag reduction functions, avoiding the situation in which the lubricating oil cannot continuously lubricate the drive shaft 5, the driven gear ring 6 and the active bevel gear 7 in a working environment with continuous high torque rotation. The use of the liner 9 can isolate these media from direct contact with metal parts, thereby protecting the internal parts of the reducer from corrosion and wear protection: During the operation of the reducer, friction and wear will occur between the internal parts. The liner 9 has good wear resistance, which can reduce direct contact and wear between parts, thereby extending the service life of the reducer. The liner 9 can also improve the flow inside the reducer. The flow rate of the body, such as the lubricating oil, reduces the pipeline resistance and energy consumption, and thus improves the transmission efficiency of the reducer to a certain extent. First, the output end of the external transmission device is connected to the universal joint 4, and a sufficient amount of lubricating oil is injected into the inside of the box body 1. Then, when the universal joint 4 rotates, it will drive the active bevel gear 7 to rotate, and through the engagement of the active bevel gear 7 with the driven gear ring 6, the driven gear ring 6 and the drive shaft 5 are driven to rotate. Then, the external spline groove 501 on the drive shaft 5 and the internal spline groove 301 of the transmission flange 3 are used to complete the transmission, drive the transmission flange 3 to rotate, and use the liner 9 to drive the lubricating oil to move inside the box body 1, and then ensure continuous lubrication.

[0028] Specifically, a universal joint 4 is rotatably embedded in the inner wall of one end of the box body 1 , and a fixing bolt 8 is threadedly connected to the inner wall of one end of the universal joint 4 .

[0029] In a specific embodiment of the present utility model, a fixing bolt 8 is threadedly connected to the inner wall at one end of the universal joint 4, which can ensure fixation.

[0030] Specifically, one end of the fixing bolt 8 is threadedly connected to the inner wall of the driving bevel gear 7.

[0031] In a specific embodiment of the present utility model, one end of the fixing bolt 8 is threadedly connected to the inner wall of the driving bevel gear 7, which can ensure stability under high torque.

[0032] Specifically, a second oil seal 13 is sleeved on one side of the outer wall of the drive shaft 5, and the outer wall of the second oil seal 13 is attached to the inner wall of the box body 1. An outer bearing 11 is sleeved on one side of the outer wall of the drive shaft 5, and the outer bearing 11 is embedded in the inner wall of the box body 1, and one side of the outer wall of the outer bearing 11 is attached to the outer wall of the second oil seal 13.

[0033] In a specific embodiment of the present utility model, one side of the outer wall of the outer bearing 11 is attached to the outer wall of the second oil seal 13, which can ensure the sealing performance.

[0034] Specifically, a first oil seal 12 is embedded in one side of the inner wall of the box body 1, and the first oil seal 12 is sleeved on the protruding part of the outer wall of the transmission flange 3.

[0035] In a specific embodiment of the present utility model, the first oil seal 12 is sleeved on the protruding part of the outer wall of the transmission flange 3, which can ensure the sealing performance of the lubricating oil.

[0036] Specifically, a sealing ring 14 is sleeved on one end of the outer wall of the drive shaft 5, and the sealing ring 14 is matched with the cover plate 2.

[0037] In a specific embodiment of the present utility model, the matching of the sealing ring 14 and the cover plate 2 can ensure the sealing performance of the cover plate 2.

[0038] Working principle:

[0039] Through the transmission assembly, an efficient lubrication and drag reduction function can be achieved, avoiding the situation where lubricating oil fails to continuously lubricate the drive shaft 5, the driven gear ring 6, and the driving bevel gear 7 in a working environment of continuous high-torque rotation. The use of the liner 9 can isolate the direct contact between these media and metal components, thereby protecting the internal parts of the reducer from corrosion. Wear resistance protection: During the operation of the reducer, friction and wear will occur between internal parts. The liner 9 has good wear resistance, which can reduce the direct contact and wear between parts, thereby extending the service life of the reducer. The liner 9 can also increase the flow rate of fluids inside the reducer, such as lubricating oil, reduce pipeline resistance and energy consumption, and thus improve the transmission efficiency of the reducer to a certain extent. First, connect the output end of the external transmission device to the universal joint 4. Inject a sufficient amount of lubricating oil into the interior of the housing 1. Subsequently, when the universal joint 4 rotates, it will drive the driving bevel gear 7 to rotate. Through the meshing of the driving bevel gear 7 and the driven gear ring 6, the rotation of the driven gear ring 6 and the drive shaft 5 is driven. Subsequently, utilize the external spline groove 501 on the drive shaft 5 and the internal spline groove 301 of the transmission flange 3 to complete the transmission and drive the transmission flange 3 to rotate. Use the liner 9 to drive the lubricating oil to move inside the housing 1, and then ensure continuous lubrication.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Side three-wheel reducer, characterized in that, include, A box body (1) and a cover plate (2), wherein the box body (1) and the cover plate (2) are fixedly connected by bolts; A transmission assembly is provided inside a housing (1), wherein the transmission assembly comprises a transmission flange (3), an inner spline groove (301), a drive shaft (5), an outer spline groove (501), a driven gear ring (6), a driving bevel gear (7), a liner (9) and an inner bearing (10); the drive shaft (5) is rotatably embedded in the interior of the housing (1); the driven gear ring (6) is sleeved on the outer wall of the drive shaft (5); the driven gear ring (6) and the driving bevel gear (7) are meshed and connected to each other; The liner (9) is embedded in the interior of the drive shaft (5), the inner bearing (10) is embedded in the inner walls of both ends of the drive shaft (5), the active bevel gear (7) is rotatably embedded in the interior of the housing (1), the inner spline groove (301) is opened at the center of the inner wall of the transmission flange (3), the outer spline groove (501) is opened at the outer wall of one end of the drive shaft (5), and is sleeved on the outer wall of one end of the drive shaft (5) through the outer spline groove (501) and the inner spline groove (301) of the transmission flange (3).

2. The side three-wheel speed reducer according to claim 1, wherein A universal joint (4) is rotatably embedded in the inner wall of one end of the box body (1), and a fixing bolt (8) is threadedly connected to the inner wall of one end of the universal joint (4).

3. The side three-wheel speed reducer according to claim 2, characterized in that One end of the fixing bolt (8) is threadedly connected to the inner wall of the driving bevel gear (7).

4. The side three-wheel speed reducer according to claim 3, wherein A second oil seal (13) is sleeved on one side of the outer wall of the drive shaft (5), and the outer wall of the second oil seal (13) is in contact with the inner wall of the housing (1); an outer bearing (11) is sleeved on one side of the outer wall of the drive shaft (5), and the outer bearing (11) is embedded in the inner wall of the housing (1), and the outer wall of the outer bearing (11) is in contact with the outer wall of the second oil seal (13).

5. The side three-wheel speed reducer according to claim 4, characterized in that, A first oil seal (12) is embedded on one side of the inner wall of the box body (1), and the first oil seal (12) is sleeved on a protrusion on the outer wall of the transmission flange (3).

6. The side three-wheel speed reducer according to claim 5, wherein, A sealing ring (14) is sleeved on the outer wall of one end of the driving shaft (5), and the sealing ring (14) and the cover plate (2) match each other.

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