A transmission structure for a speed reducer which is convenient to assemble and disassemble

Abstract

This invention relates to the field of new energy-driven speed reducer technology, and discloses a transmission structure for a speed reducer that is easy to install and disassemble. The structure includes a front end housing, a central end housing located at the rear of the front end housing, a rear end housing located at the rear of the central end housing, a dividing groove on the front side of the front end housing, a speed reduction mechanism inside the central end housing, a lubrication mechanism on the front side of the speed reduction mechanism, a filtering mechanism inside the speed reduction mechanism, a front gear ring rotatably connected to the inner wall of the front end housing, a connecting gear disc fixedly connected to the rear side of the front gear ring, a positioning shaft disc located at the rear side of the connecting gear disc, and a rear gear disc located at the rear side of the positioning shaft disc. This invention utilizes the structure to lock the disassembly blocks at different positions, reducing the difficulty of structural installation and simplifying the installation steps of bolted structures, thus facilitating internal structural maintenance and disassembly.

Description

Technical Field

[0001] This invention relates to the field of new energy-driven speed reducer technology, specifically a transmission structure for a speed reducer that is easy to install and disassemble. Background Technology

[0002] In plug-in hybrid electric vehicles (PHEVs), the main function of the reducer is to work in conjunction with the electric motor and engine to optimize driving efficiency and improve vehicle performance. The electric motor typically operates at a higher speed, while the wheels require a lower speed to drive the vehicle. The reducer's role is to reduce the high-speed output of the electric motor to a speed suitable for driving the wheels. By reducing the speed, the reducer ensures that the torque of the electric motor can be effectively transmitted to the wheels, improving driving force and energy efficiency. The reducer plays a crucial role in plug-in hybrid vehicles by adjusting the speed, enhancing torque output, and optimizing the combination of the power system, helping the vehicle achieve more efficient and smoother driving performance and supporting the goals of energy conservation and emission reduction in hybrid systems.

[0003] Patent CN220168518U discloses a gear transmission structure for a speed reducer, relating to the field of gear transmission technology. It includes a housing with a speed reduction mechanism inside. The speed reduction mechanism includes a servo motor fixed to the inner wall of the housing, with a sun gear fixedly connected to the output shaft of the servo motor. By coordinating the housing and the speed reduction mechanism, when the servo motor is started, it first drives the sun gear to rotate, then drives three planetary gears and a connecting assembly to rotate for initial speed reduction. Afterward, the connecting assembly drives the sun gear to rotate, which in turn causes the three planetary gears and a connecting plate to rotate, achieving a secondary speed reduction effect. Finally, the connecting plate drives the output rod to rotate, achieving a secondary speed reduction effect on the output rod. The structure is more compact, reduces the operating frequency of each gear, lowers the wear rate, and increases service life, making it more practical. However, this patent still suffers from the problem of complex internal structure affecting disassembly efficiency. Similarly, the speed reducers in automobiles driven by new energy sources such as plug-in hybrid, pure electric, and fuel cell vehicles in this application also have the same problem. Therefore, a speed reducer transmission structure that is easy to install and disassemble is proposed to solve the aforementioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a transmission structure for a speed reducer that is easy to install and disassemble, in order to address the shortcomings of the prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a transmission structure for a speed reducer that is easy to install and disassemble, including a front end shell, a middle end shell provided on the rear side of the front end shell, a rear end shell provided on the rear side of the middle end shell, a dividing groove provided on the front side of the front end shell, a speed reduction mechanism provided inside the middle end shell, a lubrication mechanism provided on the front side of the speed reduction mechanism, a filtering mechanism provided inside the speed reduction mechanism, a front gear ring rotatably connected to the inner wall of the front end shell, a connecting gear disc fixedly connected to the rear side of the front gear ring, a positioning shaft disc provided on the rear side of the connecting gear disc, and a rear gear disc provided on the rear side of the positioning shaft disc;

[0006] The reduction mechanism includes an input shaft, with drive shaft teeth fixedly connected to the outer surface of the input shaft; three planetary shafts fixedly connected to the rear side wall of the front end housing, with planetary shaft teeth rotatably connected to the outer surface of each planetary shaft; connecting disc teeth fixedly connected to the rear axis of the connecting disc; three connecting disc shafts fixedly connected to the rear side of the positioning disc, with connecting disc teeth rotatably connected to the outer surface of each connecting disc shaft; and an output shaft fixedly connected to the rear axis of the rear gear disc.

[0007] Four disassembly blocks are fixedly connected to the outer surface of the central end shell. Each disassembly block has a connecting arc plate fixedly connected inside. A counter-clockwise connecting rod and a clockwise connecting rod are respectively provided on both sides of each disassembly block. A slider guide plate is fixedly connected to the side of each counter-clockwise and clockwise connecting rod. Four connecting seats are fixedly connected to the outer surfaces of the front and rear end shells. A locking groove is provided on the side of each connecting seat and the connecting arc plate. A locking block is fixedly connected to the end of each counter-clockwise and clockwise connecting rod. A clockwise ring and a counter-clockwise ring are slidably connected to the middle position of the surface of each disassembly block. A screw sleeve is fixedly connected to the middle position of the surface of the central end shell. A positioning thread is threaded onto the inner side of the screw sleeve. The screw has three planetary gear teeth that mesh with the front gear ring, and three connecting gear teeth that mesh with the rear gear disc. The output shaft extends from the front side of the rear end housing to the rear side. The slider guide plate is slidably connected to the disassembly block. The slider guide plate has an arc-shaped overall structure. The insertion arc plate is inserted into the insertion seat. The surfaces of the clockwise and counterclockwise rings are both provided with semi-circular holes. The positioning screw fits into the semi-circular holes. The external motor is connected to the input shaft. The rotation of the input shaft drives the connected drive shaft teeth to rotate. The drive shaft teeth drive the surrounding meshing planetary shafts to rotate around the planetary shafts. Subsequently, the front gear ring, which meshes with the drive shaft teeth, will rotate on the inner wall of the central end housing. At this time, the rotation speed of the front gear ring is relatively faster than that of the input shaft. The input shaft speed decreases, and the rotation of the front gear ring drives the connected connecting disc teeth to rotate. The connecting disc teeth then drive the surrounding meshing connecting shaft teeth to rotate around the connecting disc shaft. The rotation of the connecting shaft teeth drives the meshing rear gear disc to rotate along the inner wall of the central end shell, further reducing the rotation speed of the rear gear disc compared to the front gear ring. The rear gear disc then drives the connected output shaft to rotate. Simultaneously, during reassembly, the insertion sockets on the front and rear end shells are aligned with the front and rear ends of the insertion arc plate, respectively, and inserted until the locking grooves on the insertion arc plate and the locking grooves on the insertion sockets coincide. Then, the clockwise and counterclockwise rings are rotated respectively, with the clockwise ring rotating clockwise and the counterclockwise ring rotating counterclockwise. During the process, the clockwise ring slides along the disassembly block and drives the four clockwise connecting rods to move closer to the disassembly block through the connected slider guide plate. Meanwhile, the counterclockwise ring drives the four counterclockwise connecting rods to move closer to the disassembly block in the same way. As the counterclockwise and clockwise connecting rods approach the disassembly block, the slot block connected to the counterclockwise and clockwise connecting rods limits the positioning slot. Then, the positioning screw is connected to the screw sleeve through the round hole formed by the clockwise and counterclockwise rings. By combining an internal combustion engine and an electric drive system in a plug-in hybrid vehicle, the geared motor can be used to drive the rear or front wheels to achieve an all-wheel drive effect. The geared motor assists the internal combustion engine by adjusting the output torque, improving the overall acceleration performance and driving experience.

[0008] According to the above technical solution, the lubrication mechanism includes a convex shank, three plug cylinder seats are fixedly connected to the rear side of the front end shell, a piston is fixedly connected inside each plug cylinder seat, a telescopic rod is slidably connected to the end of the piston near the convex shank, a wheel seat is fixedly connected to the end of the telescopic rod away from the piston, a guide wheel is rotatably connected to the inner side of the wheel seat, an input pipe and an output pipe are fixedly connected to the two ends of the rear side of the piston respectively, an elastic plate is fixedly connected to the end of the input pipe away from the piston, and a sealing pressure rod is fixedly connected to the end of the elastic plate away from the input pipe. A sealing ring is provided at the end of the sealing rod away from the elastic plate. A rubber flap is fixedly connected inside the output tube. The convex shank is fixedly connected to the input shaft. The guide wheel and the convex shank are in contact with each other. The sealing ring is fixedly connected to the input tube. The sealing rod extends into the input tube, and a circular plug extends outward from the end of the sealing rod away from the elastic plate. A spring is provided inside the piston, and both ends of the spring are fixedly connected to the piston and the telescopic rod, respectively. When the input shaft starts to rotate, it will drive the connected convex shank to rotate together. The convex shank, during its rotation, contacts... The guide wheel applies pressure, causing it to push the connected wheel seat and telescopic rod closer to the piston. At this time, the telescopic rod retracts into the piston, expelling the liquid inside through the connected output pipe. Meanwhile, the spring inside the piston is compressed. As the liquid passes through the rubber flaps in the output pipe, the liquid pressure forces the closed parts of the rubber flaps open. When the liquid pressure in the output pipe decreases, the rubber flaps return to their original closed shape. Subsequently, the spring inside the piston releases its elasticity, pushing the telescopic rod away from the piston. This increases the space inside the piston and decreases the air pressure, causing the input pipe connected to the piston to... Under air pressure, the sealing rod and sealing ring are misaligned, allowing the liquid inside the front housing to enter the piston through the input pipe. When the internal pressure of the piston is balanced, the elastic plate pulls the sealing rod to re-fit with the sealing ring. The rotation of the cam handle drives the piston and telescopic rod to achieve structural reciprocating motion, delivering some of the liquid in the front housing, i.e., lubricating oil, through the output pipe to the middle end housing and the rear end housing. In the field of pure electric drive, the geared motor converts the high-speed rotation of the electric motor into a low-speed, high-torque output suitable for wheel drive, giving the vehicle superior starting acceleration performance in urban driving.

[0009] According to the above technical solution, the filtration mechanism includes a connecting plate, a scraper plate fixedly connected to the rear end of the connecting plate, an arc-shaped scraper fixedly connected to the end of the scraper plate away from the connecting plate, a misaligned hinge seat fixedly connected to the middle of the front side of the arc-shaped scraper, a misaligned scraper hinged to the rear side of the misaligned hinge seat, an oil filter chamber provided between the connecting toothed disc and the positioning shaft disc, an oil filling port fixedly connected to the top surface of the oil filter chamber, the oil filter chamber fixedly connected to the output pipe and the output pipe communicating with the interior of the oil filter chamber, the oil filling port connected to the interior of the oil filter chamber, multiple small filter holes opened on both the front and rear sides of the oil filling port, the oil filling port fixedly connected to the central end shell, and the connecting plate fixedly connected to the telescopic rod. When the telescopic rod retracts into the piston, the movement of the telescopic rod drives... The moving plate slides along the connecting toothed disc, and the movement of the moving plate drives the scraper blades and the arc-shaped scraper blades. The arc-shaped scraper blades filter the lubricating oil passing through the filter chamber. The staggered scraper blades connected by the staggered hinge move with the arc-shaped scraper blades, allowing the structure of the staggered and arc-shaped scraper blades to thoroughly clean the irregular contact surface of the filter chamber. The angle of the connection between the staggered and arc-shaped scraper blades changes around the staggered hinge as the moving plate moves, thus increasing the cleaning range of the arc-shaped scraper blades. Simultaneously, lubricating oil injected through the oil inlet enters the filter chamber and then flows to the front and rear shells respectively. In fuel cell drive applications, fuel cell electric vehicles use hydrogen and oxygen to react and generate electricity to drive the electric motor. In this mode, the geared motor also plays a crucial role. Due to the operating characteristics and output power stability of the fuel cell, the geared motor helps regulate the output of the electric motor, ensuring that the vehicle maintains stable power output under different operating conditions.

[0010] The present invention, by adopting the above technical solution, can bring the following beneficial effects:

[0011] 1. This easy-to-install and disassemble reducer transmission structure achieves multi-stage reduction through the interaction of multiple gears, thereby improving the reduction transmission efficiency. At the same time, by rotating the clockwise and counterclockwise rings, the counterclockwise and clockwise connecting rods are positioned by the locking block at the insertion slot. The structure locks the disassembly blocks at different positions, reducing the difficulty of structural installation and simplifying the installation steps of bolted structures, so as to facilitate the maintenance and disassembly of the internal structure.

[0012] 2. The transmission structure of this easy-to-install and disassemble reducer uses the rotation of the cam to drive the piston and telescopic rod to achieve the reciprocating motion of the structure. The liquid in the front housing, i.e., the lubricating oil, is delivered to the interior of the middle end housing and the rear end housing through the output pipe, thereby promoting the lubricating effect of the lubricating oil on the internal structure of the middle end housing and the rear end housing. At the same time, it avoids the heat generated by the static lubricating oil absorbing and accumulating, which would affect the friction coefficient of the internal parts and thus affect the service life of the structure.

[0013] 3. This easy-to-install and disassemble transmission structure for the reducer can thoroughly clean the irregular contact surface of the oil filter chamber, and allow the angle of the connection between the misaligned scraper and the arc-shaped scraper to change around the misaligned hinge seat with the movement of the connecting plate, thereby increasing the cleaning range of the arc-shaped scraper. At the same time, the cleaning removes the sludge adhering to the filter holes on the surface of the oil inlet. In addition, it prevents sludge deposits and metal particles generated by wear from affecting the internal structure of the front and rear housings through the oil filter chamber. Attached Figure Description

[0014] Figure 1 is a schematic diagram of the overall frontal three-dimensional structure of the present invention;

[0015] Figure 2 is a schematic diagram of the overall rear-view three-dimensional structure of the present invention;

[0016] Figure 3 is a schematic diagram of the structural distribution of the mechanism of the present invention;

[0017] Figure 4 is a schematic diagram of the deceleration mechanism of the present invention;

[0018] Figure 5 is a schematic diagram of the connection structure of the disassembly block of the present invention;

[0019] Figure 6 is a schematic diagram of the lubrication mechanism of the present invention;

[0020] Figure 7 illustrates the present invention. Figure 6 A magnified structural diagram of A in the middle;

[0021] Figure 8 is a schematic diagram of the filter mechanism of the present invention.

[0022] In the diagram: 1. Front end shell; 2. Mid-end shell; 3. Rear end shell; 4. Dividing groove; 5. Reduction mechanism; 51. Input shaft; 52. Drive shaft gear; 53. Planetary shaft; 54. Star shaft gear; 55. Connecting disc gear; 56. Connecting disc shaft; 57. Connecting shaft gear; 58. Output shaft; 59. Assembly / disassembly block; 510. Counter-clockwise connecting rod; 511. Clockwise connecting rod; 512. Insertion arc plate; 513. Insertion seat; 514. Slot block; 515. Slot; 516. Slider guide plate; 517. Clockwise ring; 518. Counter-clockwise ring; 519. Positioning screw; 520. Screw sleeve; 6. Lubrication mechanism; 61. Protruding shank; 62. Plug holder; 63. Piston; 64. Telescopic rod; 65. Wheel seat; 66. Guide wheel; 67. Inlet pipe; 68. Elastic sheet; 69. Sealing rod; 610. Sealing ring; 611. Outlet pipe; 612. Rubber flap; 7. Filtering mechanism; 71. Connecting plate; 72. Scraper blade; 73. Offset hinge seat; 74. Arc-shaped scraper blade; 75. Offset scraper blade; 76. Oil filter chamber; 77. Oil filling port; 8. Front gear ring; 9. Connecting gear disc; 10. Positioning shaft disc; 11. Rear gear disc. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please refer to Figure 1. Figure 8 An embodiment of the present invention is as follows: a transmission structure for a speed reducer that is easy to install and disassemble, including a front end shell 1, a middle end shell 2 provided on the rear side of the front end shell 1, a rear end shell 3 provided on the rear side of the middle end shell 2, a dividing groove 4 provided on the front side of the front end shell 1, a speed reduction mechanism 5 provided inside the middle end shell 2, a lubrication mechanism 6 provided on the front side of the speed reduction mechanism 5, a filtering mechanism 7 provided inside the speed reduction mechanism 5, a front gear ring 8 rotatably connected to the inner wall of the front end shell 1, a connecting gear disc 9 fixedly connected to the rear side of the front gear ring 8, a positioning shaft disc 10 provided on the rear side of the connecting gear disc 9, and a rear gear disc 11 provided on the rear side of the positioning shaft disc 10.

[0025] The reduction mechanism 5 includes an input shaft 51, with drive shaft teeth 52 fixedly connected to the outer surface of the input shaft 51. Three planetary shafts 53 are fixedly connected to the rear side wall of the front end housing 1, with planetary shaft teeth 54 rotatably connected to the outer surface of each planetary shaft 53. Connecting disc teeth 55 are fixedly connected to the rear axis of the connecting disc 9. Three connecting disc shafts 56 are fixedly connected to the rear side of the positioning shaft disc 10, with connecting shaft teeth 57 rotatably connected to the outer surface of each connecting disc shaft 56. An output shaft 58 is fixedly connected to the rear axis of the rear gear disc 11.

[0026] Four disassembly blocks 59 are fixedly connected to the outer surface of the central end shell 2. Each disassembly block 59 has a fixedly connected insertion arc plate 512 inside. A counter-clockwise connecting rod 510 and a clockwise connecting rod 511 are respectively provided on both sides of the disassembly block 59. A slider guide plate 516 is fixedly connected to the sides of both the counter-clockwise connecting rod 510 and the clockwise connecting rod 511. Four insertion seats 513 are fixedly connected to the outer surfaces of the front end shell 1 and the rear end shell 3. A locking groove 515 is opened on the side of both the insertion seat 513 and the insertion arc plate 512. A locking block 514 is fixedly connected to the end of both the counter-clockwise connecting rod 510 and the clockwise connecting rod 511. A clockwise ring 517 and a counter-clockwise ring 518 are slidably connected to the middle position of the surface of the disassembly block 59. The central end shell 2... A screw sleeve 520 is fixedly connected to the middle position of the surface. A positioning screw 519 is threadedly connected to the inner side of the screw sleeve 520. Three star shaft teeth 54 are engaged with the front gear ring 8. Three connecting shaft teeth 57 are engaged with the rear gear disk 11. The output shaft 58 extends from the front side of the rear end shell 3 to the rear side. The slider guide plate 516 is slidably connected with the disassembly block 59. The slider guide plate 516 has an arc-shaped overall structure. The insertion arc plate 512 is inserted into the insertion seat 513. Semi-circular holes are opened on the surfaces of the clockwise ring 517 and the counterclockwise ring 518. The positioning screw 519 fits into the semi-circular holes. The rotation of the front gear ring 8 drives the connected connecting disk teeth 55 to rotate. The connecting disk teeth 55 then drive the surrounding meshing connecting shaft teeth 57 to rotate around the connecting disk shaft 56. The rotation of the connecting shaft teeth 57 drives the meshing rear gear disk 11 to move along the middle end shell 2. The inner wall rotates, further reducing the rotational speed of the rear gear disc 11 compared to the front gear ring 8. The rear gear disc 11 drives the connected output shaft 58 to rotate. Through the front gear ring 8 and the interaction of multiple gears, multi-stage reduction is achieved, improving the reduction transmission efficiency. Simultaneously, the counter-clockwise connecting rod 510 and the clockwise connecting rod 511 approach the disassembly block 59, causing the retaining block 514, connected to the counter-clockwise connecting rod 510 and the clockwise connecting rod 511, to limit the positioning slot 515. Then, the positioning screw 519 passes through the circular hole formed by the clockwise ring 517 and the counter-clockwise ring 518 and connects to the screw sleeve 520. Rotating the clockwise ring 517 and the counter-clockwise ring 518 causes the counter-clockwise connecting rod 510 and the clockwise connecting rod 511 to jointly position the positioning slot 515 at the insertion seat 513 through the retaining block 514. This structure utilizes the disassembly block 59 at different positions. Locking reduces the difficulty of structural installation and simplifies the installation steps for bolted structures, making it easier to maintain and disassemble the internal structure.

[0027] The lubrication mechanism 6 includes a shank 61. Three plug holders 62 are fixedly connected to the rear side of the front housing 1. A piston 63 is fixedly connected inside each plug holder 62. A telescopic rod 64 is slidably connected to the end of the piston 63 near the shank 61. A wheel seat 65 is fixedly connected to the end of the telescopic rod 64 away from the piston 63. A guide wheel 66 is rotatably connected to the inner side of the wheel seat 65. An input pipe 67 and an output pipe 611 are fixedly connected to the two rear ends of the piston 63, respectively. An elastic plate 68 is fixedly connected to the end of the input pipe 67 away from the piston 63. A sealing rod 69 is fixedly connected to the end of the elastic plate 68 away from the input pipe 67. A sealing ring 610 is provided at the end of the sealing rod 69 away from the elastic plate 68. A rubber flap 612 is fixedly connected inside the output pipe 611. The shank 61 is fixedly connected to the input shaft 51. The guide wheel 66 and the shank 61 are in contact with each other. The sealing ring 610... A sealing rod 69 is fixedly connected to the input pipe 67 and extends into the inside of the input pipe 67. A circular plug extends outward from the end of the sealing rod 69 away from the elastic plate 68. A spring is installed inside the piston 63, and both ends of the spring are fixedly connected to the piston 63 and the telescopic rod 64, respectively. When the telescopic rod 64 retracts into the piston 63, it discharges the liquid inside the piston 63 through the connected output pipe 611. At this time, the spring inside the piston 63 is in a compressed state. When the liquid passes through the rubber flap 612 in the output pipe 611, the liquid pressure in the output pipe 611 forces the closed portion of the rubber flap 612 to open. When the liquid pressure in the output pipe 611 decreases, the rubber flap 612 returns to its original shape and closes. Subsequently, the spring inside the piston 63 releases its elastic force, pushing the telescopic rod 64 away from the piston 63. At this time, the space inside the piston 63 increases and the air pressure decreases. The input pipe 67 connected to the piston 63 will, under the action of air pressure, cause the sealing rod 69 to... The sealing ring 610 is misaligned, allowing the liquid inside the front housing 1 to enter the piston 63 through the input pipe 67. When the pressure inside the piston 63 is balanced, the elastic plate 68 pulls the sealing rod 69 to re-engage with the sealing ring 610. Since the amount of oil discharged through the output pipe 611 by the piston 63 and telescopic rod 64 in a single reciprocating motion is small, the high-speed rotating input shaft 51 is needed to drive the cam 61 to rotate, increasing the reciprocating frequency of the piston 63 and telescopic rod 64. By increasing the reciprocating frequency of the structure, the output of the output pipe 611 is increased. If the cam 61 is at the deceleration end of the output shaft 58, the output of the output pipe 611 will be reduced. With a small output of the output pipe 611, it is difficult to drive the lubricating fluid inside the rear housing 3 through the filter oil chamber 76 to flow into the front housing 1. The reciprocating motion of the structure is achieved by rotating the cam 61 to drive the piston 63 and telescopic rod 64.The lubricating oil in the front shell 1 is delivered through the output pipe 611 to the interior of the middle shell 2 and the rear shell 3. This promotes the lubrication of the internal structures of the middle shell 2 and the rear shell 3, while preventing the lubricating oil from absorbing and accumulating heat, which could affect the friction coefficient of internal parts and thus the service life of the structure.

[0028] The filtration mechanism 7 includes a connecting plate 71. A scraper connecting piece 72 is fixedly connected to the rear end of the connecting plate 71. An arc-shaped scraper 74 is fixedly connected to the end of the scraper connecting piece 72 away from the connecting plate 71. A misaligned hinge seat 73 is fixedly connected to the middle of the front side of the arc-shaped scraper 74. A misaligned scraper 75 is hinged to the rear side of the misaligned hinge seat 73. An oil filter chamber 76 is provided between the gear plate 9 and the positioning shaft plate 10. An oil filling port 77 is fixedly connected to the top surface of the oil filter chamber 76. The oil filter chamber 76 is fixedly connected to the output pipe 611, and the output pipe 611 communicates with the inside of the oil filter chamber 76. The oil filling port 77 is connected to the inside of the oil filter chamber 76. Multiple small filter holes are opened on both the front and rear sides of the oil filling port 77. The oil filling port 77 is fixedly connected to the central end shell 2. The connecting plate 71 is fixedly connected to the telescopic rod 64. The arc-shaped scraper 74... The movement filters the lubricating oil in the oil filter chamber 76. The movement of the offset scraper 75 and the arc-shaped scraper 74, connected by the offset hinge 73, allows the intersecting structure of the offset scraper 75 and the arc-shaped scraper 74 to thoroughly clean the irregular contact surface of the oil filter chamber 76. The angle of the connection between the offset scraper 75 and the arc-shaped scraper 74 changes around the offset hinge 73 as the connecting plate 71 moves, thereby increasing the cleaning range of the arc-shaped scraper 74. Simultaneously, the lubricating oil injected through the oil inlet 77 enters the oil filter chamber 76 and flows through the interior of the oil filter chamber 76 to the front housing 1 and the rear housing 3 respectively. This cleaning process removes the sludge adhering to the filter pores on the surface of the oil inlet 77. Furthermore, it prevents sludge deposits and metal particles generated by wear from affecting the internal structure of the front housing 1 and the rear housing 3 through the oil filter chamber 76.

[0029] Working principle: An external motor is connected to the input shaft 51. The rotation of the input shaft 51 drives the connected drive shaft gear 52 to rotate. The drive shaft gear 52 drives the surrounding meshing planetary shaft 53 to rotate around the planetary shaft 53. Subsequently, the front gear ring 8, which is externally meshed with the drive shaft gear 52, rotates on the inner wall of the central end shell 2. At this time, the speed of the front gear ring 8 is lower than that of the input shaft 51. The rotation of the front gear ring 8 drives the connected connecting disc gear 55 to rotate. The connecting disc gear 55 then drives the surrounding meshing connecting shaft gear 57 to rotate around the connecting disc shaft 56. The rotation of the connecting shaft gear 57 drives the meshing rear gear disc 11 to rotate along the inner wall of the central end shell 2, further reducing the rotation speed of the rear gear disc 11 compared to the front gear ring 8. The rear gear disc 11 then drives the connected output shaft 58 to rotate. Through the front gear ring 8 and the interaction of multiple gears, multi-stage reduction is achieved, improving the reduction transmission efficiency. At the same time, during reassembly, the front end shell 1... The connector 513 on the rear housing 3 is aligned with the front and rear ends of the connector arc plate 512 and inserted until the locking groove 515 on the connector arc plate 512 coincides with the locking groove 515 on the connector 513. Then, the clockwise ring 517 and the counterclockwise ring 518 are rotated respectively, with the clockwise ring 517 rotating clockwise and the counterclockwise ring 518 rotating counterclockwise. During the rotation of the clockwise ring 517 and the counterclockwise ring 518, the clockwise ring 517 slides along the disassembly block 59 and drives the four clockwise connecting rods 511 to move closer to the disassembly block 59 through the connected slider guide plate 516. The counterclockwise ring 518 drives the four counterclockwise connecting rods 510 to move closer to the disassembly block 59 in the same way. The counterclockwise connecting rods 510 and the clockwise connecting rods 511 move closer to the disassembly block 59, so that the counterclockwise connecting rods 510... The slot block 514 connected to the clockwise connecting rod 511 limits the positioning slot 515. Then, the positioning screw 519 passes through the round hole formed by the clockwise ring 517 and the counterclockwise ring 518 and connects to the screw sleeve 520. By rotating the clockwise ring 517 and the counterclockwise ring 518, the counterclockwise connecting rod 510 and the clockwise connecting rod 511 jointly position the positioning slot 515 at the plug-in seat 513 through the slot block 514. The structure locks the disassembly blocks 59 at different positions, reduces the difficulty of structural installation, simplifies the installation steps of the bolt structure, and facilitates the maintenance and disassembly of the internal structure.

[0030] When the input shaft 51 starts to rotate, it drives the connected cam 61 to rotate as well. During the rotation of the cam 61, it applies pressure to the contacting guide wheel 66, causing the guide wheel 66 to push the connected wheel seat 65 and the telescopic rod 64 closer to the piston 63. At this time, the telescopic rod 64 retracts into the piston 63, discharging the liquid inside the piston 63 through the connected output pipe 611. At this time, the elastic spring inside the piston 63 is in a compressed state. When the liquid passes through the rubber flap 612 in the output pipe 611, the liquid pressure in the output pipe 611 forces the closed part of the rubber flap 612 to open. When the liquid pressure in the output pipe 611 decreases, the rubber flap 612 returns to its original shape and closes. Subsequently, the elastic spring inside the piston 63 releases its elastic force, pushing the telescopic rod 64 away from the piston 63. At this time, the space inside the piston 63 increases and the air pressure decreases. The input pipe 67 connected to the piston 63 will, under the action of air pressure, cause the sealing rod 69 and the sealing ring 610 to... The liquid inside the front shell 1 is misaligned and enters the piston 63 through the input pipe 67. When the internal pressure of the piston 63 is balanced, the elastic plate 68 pulls the sealing rod 69 to re-engage with the sealing ring 610. The rotation of the convex handle 61 drives the piston 63 and the telescopic rod 64 to achieve structural reciprocating motion. Part of the liquid in the front shell 1, i.e., the lubricating oil, is delivered to the middle end shell 2 and the rear end shell 3 through the output pipe 611. This promotes the lubricating effect of the lubricating oil on the internal structure of the middle end shell 2 and the rear end shell 3, while avoiding the heat generated by the static lubricating oil absorbing and accumulating, which would affect the friction coefficient of the internal parts and thus affect the service life of the structure.

[0031] When the telescopic rod 64 retracts into the piston 63, the movement of the telescopic rod 64 drives the connecting plate 71 to slide along the connection point of the toothed disc 9. The movement of the connecting plate 71 drives the scraper connecting plate 72 and the arc-shaped scraper 74 to move. The movement of the arc-shaped scraper 74 filters the lubricating oil passing through the oil filter chamber 76. The movement of the misaligned scraper 75 connected to the misaligned hinge seat 73 and the arc-shaped scraper 74 allows the intersecting structure of the misaligned scraper 75 and the arc-shaped scraper 74 to thoroughly clean the irregular contact surface of the oil filter chamber 76. The angle of the connection point between the misaligned scraper 75 and the arc-shaped scraper 74 changes around the misaligned hinge seat 73 with the movement of the connecting plate 71, thereby increasing the cleaning range of the arc-shaped scraper 74. At the same time, the lubricating oil injected through the oil filling port 77 enters the oil filter chamber 76 and then passes through the oil filter chamber 76. The oil flows into the front shell 1 and the rear shell 3 respectively. The cleaning process removes the sludge adhering to the filter pores on the surface of the oil inlet 77. In addition, it prevents sludge deposits and metal particles generated by wear from affecting the internal structure of the front shell 1 and the rear shell 3 through the oil filter chamber 76.

[0032] This invention provides a transmission structure for a speed reducer that is easy to install and disassemble. Many methods and approaches exist for implementing this technical solution; the above description is merely a preferred embodiment of the invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications should also be considered within the scope of protection of this invention. All components not explicitly stated in this embodiment can be implemented using existing technology.

Claims

1. A transmission structure for a speed reducer that is easy to install and disassemble, comprising a front end housing (1), characterized in that: A central end shell (2) is provided on the rear side of the front end shell (1), and a rear end shell (3) is provided on the rear side of the central end shell (2). A dividing groove (4) is provided on the front side of the front end shell (1). A deceleration mechanism (5) is provided inside the central end shell (2). A lubrication mechanism (6) is provided on the front side of the deceleration mechanism (5). A filtering mechanism (7) is provided inside the deceleration mechanism (5). A front gear ring (8) is rotatably connected to the inner wall of the front end shell (1). A connecting gear disc (9) is fixedly connected to the rear side of the front gear ring (8). A positioning shaft disc (10) is provided on the rear side of the connecting gear disc (9). A rear gear disc (11) is provided on the rear side of the positioning shaft disc (10). The deceleration mechanism (5) includes an input shaft (51), a drive shaft tooth (52) is fixedly connected to the outer surface of the input shaft (51), three planetary shafts (53) are fixedly connected to the rear side wall of the front end housing (1), a star shaft tooth (54) is rotatably connected to the outer surface of each planetary shaft (53), a connecting disc tooth (55) is fixedly connected to the rear axis of the connecting disc (9), three connecting disc shafts (56) are fixedly connected to the rear side of the positioning shaft disc (10), a connecting disc tooth (57) is rotatably connected to the outer surface of each connecting disc shaft (56), and an output shaft (58) is fixedly connected to the rear axis of the rear gear disc (11). Four disassembly blocks (59) are fixedly connected to the outer surface of the central end shell (2). Each disassembly block (59) has a plug-in arc plate (512) fixedly connected inside. A counter-clockwise connecting rod (510) and a clockwise connecting rod (511) are respectively provided on both sides of each disassembly block (59). A slider guide plate (516) is fixedly connected to the sides of both the counter-clockwise connecting rod (510) and the clockwise connecting rod (511). Four plug-in seats (513) are fixedly connected to the outer surfaces of both the front end shell (1) and the rear end shell (3). The sides of the plug-in socket (513) and the plug-in arc plate (512) are provided with locking grooves (515). The ends of the counterclockwise connecting rod (510) and the clockwise connecting rod (511) are fixedly connected with locking blocks (514). The middle position of the surface of the disassembly block (59) is slidably connected with a clockwise ring (517) and a counterclockwise ring (518). The middle position of the surface of the central end shell (2) is fixedly connected with a screw sleeve (520). The inner side of the screw sleeve (520) is threaded with a positioning screw (519). The three star shaft teeth (54) are meshed with the front gear ring (8), and the three connecting shaft teeth (57) are meshed with the rear gear disk (11). The output shaft (58) extends from the front side of the rear end shell (3) to the rear side. The slider guide plate (516) is slidably connected with the disassembly block (59). The slider guide plate (516) has an arc-shaped overall structure. The insertion arc plate (512) is inserted into the insertion seat (513). The surfaces of the clockwise ring (517) and the counterclockwise ring (518) are provided with semi-circular holes. The positioning screw (519) fits into the semi-circular holes.

2. The transmission structure for a speed reducer that is easy to install and disassemble according to claim 1, characterized in that: The lubrication mechanism (6) includes a shank (61), and three plug cylinder seats (62) are fixedly connected to the rear side of the front end shell (1). A piston (63) is fixedly connected inside each plug cylinder seat (62). A telescopic rod (64) is slidably connected to one end of the piston (63) near the shank (61). A wheel seat (65) is fixedly connected to one end of the telescopic rod (64) away from the piston (63). A guide wheel (66) is rotatably connected to the inner side of the wheel seat (65). An input pipe (67) and an output pipe (611) are fixedly connected to the two ends of the rear side of the piston (63), respectively. An elastic plate (68) is fixedly connected to one end of the input pipe (67) away from the piston (63). A sealing pressure rod (69) is fixedly connected to one end of the elastic plate (68) away from the input pipe (67). A sealing ring (610) is provided at one end of the sealing pressure rod (69) away from the elastic plate (68). A rubber flap (612) is fixedly connected inside the output pipe (611).

3. The transmission structure for a speed reducer that is easy to install and disassemble according to claim 2, characterized in that: The convex shank (61) is fixedly connected to the input shaft (51), the guide wheel (66) is in contact with the convex shank (61), the sealing ring (610) is fixedly connected to the input tube (67), the sealing pressure rod (69) extends into the inside of the input tube (67), and the end of the sealing pressure rod (69) away from the elastic sheet (68) extends outward to form a circular plug.

4. The transmission structure for a speed reducer that is easy to install and disassemble according to claim 3, characterized in that: The piston (63) is equipped with an elastic spring inside, and the two ends of the elastic spring are fixedly connected to the piston (63) and the telescopic rod (64) respectively.

5. The transmission structure for a speed reducer that is easy to install and disassemble according to claim 4, characterized in that: The filtration mechanism (7) includes a connecting plate (71), a scraper connecting piece (72) is fixedly connected to the rear end of the connecting plate (71), an arc-shaped scraper (74) is fixedly connected to the end of the scraper connecting piece (72) away from the connecting plate (71), a misaligned hinge seat (73) is fixedly connected to the middle of the front side of the arc-shaped scraper (74), a misaligned scraper (75) is hinged to the rear side of the misaligned hinge seat (73), an oil filter chamber (76) is provided between the connecting toothed disc (9) and the positioning shaft disc (10), and an oil filling port (77) is fixedly connected to the top surface of the oil filter chamber (76).

6. The transmission structure for a speed reducer that is easy to install and disassemble according to claim 5, characterized in that: The oil filter chamber (76) is fixedly connected to the output pipe (611), and the output pipe (611) is connected to the inside of the oil filter chamber (76). The oil filling port (77) is connected to the inside of the oil filter chamber (76). Multiple small filter holes are provided on both the front and rear sides of the oil filling port (77). The oil filling port (77) is fixedly connected to the central end shell (2). The connecting plate (71) is fixedly connected to the telescopic rod (64).

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