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CN-122014840-A - Speed difference speed reducer for new energy automobile

CN122014840ACN 122014840 ACN122014840 ACN 122014840ACN-122014840-A

Abstract

The invention relates to the technical field of speed-difference speed reducers, and particularly discloses a speed-difference speed reducer for a new energy automobile, which comprises a shell, wherein a right shell is arranged on the right side of the shell, an input shaft is rotationally connected in the middle of the right shell, a sun gear is fixedly connected on the outer side of the input shaft, a planet wheel is meshed on the outer side of the sun gear, an inner gear ring is meshed on the outer side of the planet wheel, the outer side of the inner gear ring is fixedly connected with the inner side of the shell, a left shell is arranged on the right side of the shell, a planet carrier is rotationally connected to the middle part of the left shell, the inner side of the planet carrier is rotationally connected with a plurality of planet wheels, the speed-difference speed reducer further comprises an oil conveying component which is arranged on the inner side of the shell, medium inside a conveying cylinder can be injected into the communicating pipe, lubricating oil is sprayed to the inner side of an inner gear ring, and the inner gear ring is lubricated, so that the lubricating oil at the top position of the inner gear ring is effectively prevented from being relatively deficient in supply, and poor lubricating effect between the planet wheel and the inner gear ring is prevented.

Inventors

  • LONG XIAOMIN

Assignees

  • 深圳新立盈传动有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The utility model provides a speed differential speed reducer for new energy automobile, including shell (1), right side of shell (1) is installed right side casing (2), the centre rotation of right side casing (2) is connected with input shaft (13), the outside fixedly connected with sun gear (3) of input shaft (13), the outside meshing of sun gear (3) has planet wheel (4), the outside meshing of planet wheel (4) has ring gear (5), the outside of ring gear (5) and the inboard fixed connection of shell (1), left casing (10) are installed on the right side of shell (1), the mid portion rotation of left side casing (10) is connected with planet carrier (11), the inboard of planet carrier (11) is rotated with a plurality of planet wheel (4) and is connected, its characterized in that, speed differential speed reducer still includes: The oil conveying assembly (6) is arranged on the inner side of the shell (1), the oil conveying assembly (6) comprises a conveying cylinder (61) fixedly connected to the inner side of the planet carrier (11) in an annular array mode, a first piston (62) is movably connected to the inner side of the conveying cylinder (61), a supporting rod assembly (7) is arranged on the inner side of the first piston (62), the oil conveying assembly (6) further comprises a limiting block (63) fixedly connected to the inner top position of the left shell (10) in an annular array mode, a spray head seat (64) is fixedly connected to the right side of the conveying cylinder (61), and a communicating pipe (65) is fixedly inserted between the right side of the top of the conveying cylinder (61) and the spray head seat (64).
  2. 2. The speed differential speed reducer for new energy automobiles according to claim 1, wherein the supporting rod assembly (7) comprises a sleeve (71) fixedly connected to the inner side of the first piston (62), a penetrating rod (72) is slidably connected to the inner side of the sleeve (71), a first spring (73) is fixedly connected between the right side of the penetrating rod (72) and the sleeve (71), a toothed plate (74) is slidably connected to the inner side of the sleeve (71), a clamping block (78) is fixedly connected to a linear array at the bottom of the toothed plate (74), a groove (75) is formed in the top of the penetrating rod (72), and a blocking piece (76) is rotatably connected to the inner side of the groove (75).
  3. 3. The speed differential speed reducer for the new energy automobile according to claim 2, wherein two sides of the limiting block (63) are obliquely arranged, and a ball for reducing motion friction is rotatably connected to the left end of the penetrating rod (72).
  4. 4. The speed reducer for new energy automobiles according to claim 3, wherein the bottom of the conveying cylinder (61) is provided with a reset component (8), the reset component (8) comprises a cylinder (81) fixedly inserted into the bottom of the right side of the conveying cylinder (61), the inner side of the cylinder (81) is movably connected with a second piston (82), the bottom of the second piston (82) is fixedly connected with a lifting rod (83), the inner side bottom of the shell (1) is fixedly connected with a bottom block (84), the front side and the rear side of the bottom block (84) are obliquely arranged, a second spring (85) is fixedly connected between the second piston (82) and the cylinder (81), the side surface of the cylinder (81) is fixedly inserted with a small cylinder (86), the inner side of the small cylinder (86) is movably connected with a third piston (87), and the side surface of the third piston (87) is fixedly connected with a pushing frame (88).
  5. 5. The speed differential speed reducer for the new energy automobile according to claim 4, wherein the top of the pushing frame (88) is obliquely arranged, the outer side of the toothed plate (74) is fixedly connected with the connecting frame (12), the bottom position of the connecting frame (12) is rotationally connected with a circular shaft, the outer side of the connecting frame (12) is in sliding connection with the sleeve (71), and a U-shaped elastic sheet (77) is fixedly connected between the top of the toothed plate (74) and the sleeve (71).
  6. 6. The speed reducer for new energy automobiles according to claim 5, wherein the check valve (66) is installed inside the communicating pipe (65), the elastic bag (67) is fixedly connected to the outside of the communicating pipe (65) and located on the outside of the conveying cylinder (61), the inside of the elastic bag (67) is communicated with the inside of the communicating pipe (65), the inclined strip (68) is fixedly connected to the annular array inside the communicating pipe (65) close to the nozzle seat (64), the elastic film (69) is fixedly connected between the outside of the inclined strip (68) and the inside of the communicating pipe (65), and the inclined strip (68) is made of elastic materials.
  7. 7. A speed differential speed reducer for new energy vehicles according to claim 6, characterized in that the conveying cylinders (61) are staggered with the planetary wheels (4), the limiting blocks (63) are unevenly distributed on the left housing (10), and the spacing between adjacent limiting blocks (63) near the top position is larger than the spacing between adjacent limiting blocks (63) near the bottom position.
  8. 8. The speed differential speed reducer for new energy automobiles according to claim 7, wherein the right part of the conveying cylinder (61) is provided with an entering component (9), the entering component (9) comprises concave holes (91) formed in the top and bottom parts of the right side of the conveying cylinder (61), blocking rings (92) are fixedly connected to the inner sides of the concave holes (91), a fixed frame (93) is fixedly connected to the left part of the inner sides of the concave holes (91), a moving rod (94) is fixedly connected to the inner sides of the fixed frame (93), a blocking plate (95) is fixedly connected to the outer sides of the moving rod (94), and a third spring (96) is fixedly connected between the blocking plate (95) and the fixed frame (93).
  9. 9. The speed reducer for the new energy automobile of claim 8, wherein the right end of the moving rod (94) is fixedly connected with an inclined block (97), the inside of the nozzle seat (64) is slidably connected with a vertical rod frame (98), a fourth spring (99) is fixedly connected between the vertical rod frame (98) and the nozzle seat (64), and an extrusion block (910) is fixedly connected to the outer side of the vertical rod frame (98) corresponding to the inclined block (97).
  10. 10. The speed differential speed reducer for the new energy automobile according to claim 9, wherein the bottom side surface of the lifting rod (83) is fixedly connected with the long plate (911), and the bottom of the vertical rod frame (98) is close to the top surface of the end part of the long plate (911).

Description

Speed difference speed reducer for new energy automobile Technical Field The invention relates to the technical field of speed reducers, in particular to a speed reducer for a new energy automobile. Background The new energy automobile adopts unconventional automobile fuel as a power source, realizes the fundamental transformation from the traditional fuel automobile to clean energy driving such as electric energy, hydrogen energy and the like depending on an internal combustion engine, is a substitute of the traditional fuel automobile, and represents the core trend of transformation of the automobile industry to the environment-friendly, efficient and sustainable directions. With the development of science and technology, the use amount of electric vehicles is increasing, and in the use process of new energy electric vehicles, a steering system of the electric vehicles needs to use a planetary gear reducer. When the planetary gear reducer runs, lubricating oil needs to be quantitatively injected into the inner part of the shell of the planetary gear reducer, the injection quantity is generally controlled to be one half of the volume of the inner cavity of the shell, and the design is such that a certain space is reserved in the shell, so that the lubricating oil can be fully stirred when the planetary gear reducer runs, and an effective circulation is formed, so that the lubricating oil supply between the planetary gear reducer and the inner gear ring is relatively deficient when the planetary gear reducer runs to the upper half area of the shell, the friction resistance between gears can be obviously increased, the lubrication effect of the inner gear of the reducer during running is affected, and the whole service life of the planetary gear reducer motor is finally adversely affected. Disclosure of Invention The invention aims to provide a speed difference speed reducer for a new energy automobile, which can realize that a medium in a conveying cylinder is injected into a communicating pipe and then enters the inside of a nozzle holder, and then lubricating oil is sprayed to the inner side of an inner gear ring to lubricate the inner gear ring. The speed difference speed reducer for the new energy automobile comprises a shell, wherein a right shell is arranged on the right side of the shell, an input shaft is rotatably connected in the middle of the right shell, a sun gear is fixedly connected to the outer side of the input shaft, a planet wheel is meshed with the outer side of the sun gear, an inner gear ring is meshed with the outer side of the planet wheel, the outer side of the inner gear ring is fixedly connected with the inner side of the shell, a left shell is arranged on the right side of the shell, a planet carrier is rotatably connected to the middle part of the left shell, and the inner side of the planet carrier is rotatably connected with a plurality of planet wheels. The speed difference speed reducer further comprises an oil conveying assembly which is arranged on the inner side of the shell, the oil conveying assembly comprises a conveying cylinder which is fixedly connected to the inner side of the planet carrier in an annular array mode, a first piston is movably connected to the inner side of the conveying cylinder, a supporting rod assembly is arranged on the inner side of the first piston, the oil conveying assembly further comprises a limiting block which is fixedly connected to the top position of the inner side of the left shell in an annular array mode, a spray head seat is fixedly connected to the right side of the conveying cylinder, and a communicating pipe is fixedly inserted between the right side of the top of the conveying cylinder and the spray head seat. Preferably, the support rod assembly comprises a sleeve fixedly connected to the inner side of the first piston, a penetrating rod is connected to the inner side of the sleeve in a sliding mode, a first spring is fixedly connected between the right side of the penetrating rod and the sleeve, a toothed plate is connected to the inner side of the sleeve in a sliding mode, a clamping block is fixedly connected to the linear array of the bottom of the toothed plate, a groove is formed in the top of the penetrating rod, and a blocking piece is connected to the inner portion of the groove in a rotating mode. Preferably, both sides of the limiting block are obliquely arranged, and the left end part of the penetrating rod is rotationally connected with a ball for reducing motion friction. Preferably, the bottom of the conveying cylinder is provided with a reset component, the reset component comprises a cylinder fixedly inserted into the bottom of the right side of the conveying cylinder, the inner side of the cylinder is movably connected with a second piston, the bottom of the second piston is fixedly connected with a lifting rod, the inner side bottom of the shell is fixedly connected with a bottom block, the front side and