CN113983149A

CN113983149A - Speed reducer and new energy automobile with same

Info

Publication number: CN113983149A
Application number: CN202111290647.9A
Authority: CN
Inventors: 李瑞瑞
Original assignee: Zhejiang Pushu Technology Co ltd
Current assignee: Zhejiang Pushu Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-01-28

Abstract

The invention relates to the technical field of new energy automobile accessories, in particular to a speed reducer and a new energy automobile with the speed reducer, which comprises a new energy automobile body, a speed reducer shell, an exhaust assembly, a heat dissipation assembly and an oil change assembly, wherein the speed reducer shell is arranged at the bottom of the new energy automobile body, the exhaust assembly is arranged at the top of the speed reducer shell, the heat dissipation assembly is arranged inside the speed reducer shell, and the oil change assembly is arranged at the bottom of the speed reducer shell. The lubricating oil which is not completely cooled is prevented from causing harm to workers.

Description

Speed reducer and new energy automobile with same

Technical Field

The invention relates to the technical field of new energy automobile accessories, in particular to a speed reducer and a new energy automobile with the same.

Background

At present, the market occupancy of hybrid vehicles and electric vehicles is higher and higher, and the speed reducers matched with the hybrid vehicles and the electric vehicles can be generally divided into parallel shaft type gear speed reducers and planetary gear speed reducers, wherein the parallel shaft type gear speed reducers consist of two stages of gears, and the input shafts of the speed reducers are parallel to the output shafts but not on the same horizontal line. Compared with the traditional speed reducer, the speed reducer reduces parts such as gear pairs, a gear shifting mechanism and the like, reduces the structural complexity, is the most widely used speed reducer in the market at present, but the two-stage transmission of the speed reducer adopts gear transmission, and generates great gear meshing noise; II, secondly: the planetary gear reducer mainly depends on a planetary gear row to realize the speed reduction function, and an input shaft and an output shaft of the reducer are arranged on the same axis.

The Chinese patent with the publication patent number of CN112283305A discloses a new energy automobile single-speed-ratio speed reducer with excellent heat dissipation, which comprises a shell mechanism, a power mechanism, a first transmission speed reducing mechanism and a cover plate mechanism. The starting motor driving gear rotates to drive the first transmission gear A to rotate, and the diameter of the first transmission gear A is one time larger than that of the first transmission gear B, so that when the first transmission gear B and the second transmission gear B are meshed to rotate, the second transmission gear B rotates for a half circle when the first transmission gear B rotates for a circle. The invention solves the problems that when the speed reducer operates, high-speed rotation can generate heat in the friction process between gears, influence is caused on the running of an automobile, even traffic accidents can be caused, and the current automobile speed reducer is irregular in shape, occupies a large space when being filled into the automobile and influences the installation of other automobile parts.

However, the present invention still has the following problems:

(1) the speed reducer is lack of the ventilating device, when the temperature in the speed reducer rises, the internal pressure is increased, the oil leakage of the speed reducer is easily caused without the ventilating device, and the safety accident can be caused seriously.

(2) The heat dissipation device adopts the structure that the heat dissipation holes are formed in the front end face of the frame body to dissipate heat inside the box body so as to achieve the heat dissipation effect, but the heat exchange rate is low and the heat dissipation effect is poor by adopting an air heat dissipation mode.

(3) When workers change oil, the oil-water cooling device is easy to splash, and incompletely cooled oil can splash to the workers to cause damage.

Disclosure of Invention

The invention aims to provide a speed reducer and a new energy automobile with the speed reducer, so as to solve the problems in the background technology.

The technical scheme of the invention is as follows: reduction gear and have new energy automobile of this reduction gear, including:

a reducer housing;

the exhaust assembly is arranged at the top of the speed reducer shell;

the heat dissipation assembly is arranged inside the speed reducer shell;

the oil change assembly is arranged at the bottom of the speed reducer shell;

wherein the exhaust assembly comprises an exhaust pipeline, a closed cover, a connecting limit pipe, a first spring, a closed ring, a second spring and a closed wafer, the exhaust pipeline is arranged at the top of the speed reducer shell, the exhaust pipeline is communicated with the interior of the speed reducer shell, the closed cover is arranged at the top of the exhaust pipeline, the sealing cover is in threaded connection with the exhaust pipeline, the connecting limit pipe is arranged at the bottom of the sealing cover, the first spring is arranged in the connecting limit pipe, the top of the first spring is fixedly connected with the bottom of the sealing cover, the bottom of the first spring is fixedly connected with the top of the sealing ring, the second spring is arranged in the first spring, the top of the second spring is fixedly connected with the bottom of the sealing cover, the closed ring is provided with a through groove for the second spring to pass through, the second spring extends to the lower part of the closed ring, and the bottom of the second spring is fixedly connected with the closed wafer.

Preferably, exhaust subassembly is still including gas receiver, communicating pipe and sealed tube, the sealed tube sets up in exhaust duct, the bottom of closed circle is provided with the rubber packing ring, the bottom of rubber packing ring and the top of sealed tube are mutually supported, and the top of airtight disk and the bottom of closed circle are mutually supported, the gas receiver sets up on the lateral wall of reduction gear housing one side, the one end of communicating pipe and the inside intercommunication of gas receiver, the other end and the inside intercommunication of exhaust duct of communicating pipe.

Preferably, the oil changing assembly comprises a sealing block, a connecting block, fixed blocks, two sets of horizontal slide rails, two sets of vertical slide rails, a connecting plate, a connecting frame, an arc-shaped limiting block and a pushing plate, an oil discharge hole is formed in the bottom of the reducer shell, the sealing block is arranged in the oil discharge hole, the connecting block is arranged at the bottom of the sealing block, the two sets of fixed blocks are arranged at the bottom of the reducer shell at intervals, one end, far away from the sealing block, of the connecting block is rotatably connected with the two sets of fixed blocks, the two sets of horizontal slide rails are respectively arranged on two sides of the sealing block, a sliding block in sliding fit with the horizontal slide rails is arranged on each set of horizontal slide rails, each set of vertical slide rails corresponds to the sliding block, each set of vertical slide rails is fixedly connected with the corresponding sliding block, the connecting plate is arranged at the bottom of the connecting block, two ends of the connecting plate are respectively in sliding fit with the two sets of vertical slide rails, one end of the connecting frame is fixedly connected with the two sets of sliding blocks, the one end of catch plate with the link is kept away from the one end of slider and is articulated, the arc stopper sets up the one side that is close to the catch plate in the retarder casing bottom, and arc one side of stopper is provided with the dog, through being connected spring coupling between dog and the arc stopper, sliding fit between dog and the arc stopper, the side of dog is provided with the baffle, the link is kept away from to the catch plate one end setting is between dog and baffle.

Preferably, the inside of reduction gear casing is provided with the input shaft, and the one end of input shaft extends outside reduction gear casing, and another pot head of input shaft is equipped with drive gear, and the side of input shaft is provided with the connecting axle, and the cover is equipped with first gear on the connecting axle, and one side of first gear is provided with the second gear, drive gear and first gear engagement, the side of connecting axle is provided with first output shaft, and the cover is equipped with the third gear on the first output shaft, third gear and second gear engagement.

Preferably, the heat dissipation assembly comprises an eccentric wheel, a rotating ring, a driving rod, a piston ring, a three-way pipe and two sets of one-way liquid drainage components, the eccentric wheel is arranged at one end, close to the third gear, of the first output shaft, the rotating ring is sleeved on the eccentric wheel and is rotatably connected with the eccentric wheel, the three-way pipe is fixedly connected with the inner wall of the shell of the speed reducer, one end of the driving rod is hinged to the side wall of the rotating ring, the other end of the driving rod is hinged to the piston ring, the piston ring is arranged in the pipe wall of the three-way pipe and is in sliding fit with the three-way pipe in the horizontal direction, and the two sets of one-way liquid drainage components are respectively arranged at the top and the bottom of the three-way pipe.

Preferably, each group of one-way liquid discharge parts comprises a fixing ring, a mounting frame, a third spring and a circular sealing ring, the mounting frame is arranged at the top of the fixing ring, the third spring is arranged at the bottom of the mounting frame, the circular sealing ring is arranged at the bottom of the third spring, the bottom of the circular sealing ring is matched with the top of the fixing ring, and the two groups of fixing rings are respectively arranged at the top and the bottom of the three-way pipe.

Preferably, the heat dissipation assembly further comprises a condenser, an output pipeline and an input pipeline, the condenser is arranged on one side, away from the gas storage tank, of the speed reducer casing, one end of the input pipeline is communicated with the top of the three-way pipe, the other end of the input pipeline is communicated with the input end of the condenser, one end of the output pipeline is communicated with the output end of the condenser, and the other end of the output pipeline is communicated with the bottom of the speed reducer casing.

Preferably, the bottom of each group of circular sealing rings and the outer wall of the piston ring are provided with rubber sealing layers.

Preferably, the speed reducer is applied to a new energy automobile and comprises a new energy automobile body;

the end, far away from the first output shaft, of the eccentric wheel is provided with a second output shaft, the speed reducer shell is arranged at the bottom of the new energy automobile body, and the first output shaft and the second output shaft are fixedly connected with two groups of driving wheels of the new energy automobile body respectively.

Compared with the prior art, the invention provides the speed reducer and the new energy automobile with the speed reducer through improvement, and has the following improvements and advantages:

one is as follows: the invention can remove a part of gas and a small amount of lubricating oil when the temperature in the reducer is overhigh under the action of the exhaust assembly, thereby preventing the oil leakage of the reducer and even the occurrence of safety accidents caused by the increase of the internal pressure of the reducer shell, in particular, when the temperature in the reducer shell rises and reaches a certain pressure, the first spring can be compressed, the rubber gasket at the bottom of the sealing ring is separated from the top of the sealing pipe at the moment, the high-temperature gas in the reducer can enter the gas storage tank through the communicating pipe, the high-temperature gas can be cooled in the gas storage tank, when the temperature of the lubricating oil in the reducer shell is reduced under the action of the heat dissipation assembly, the internal pressure of the reducer shell is reduced, when the pressure in the reducer reaches a certain value, the second spring can be stretched, so that the top of the sealing wafer is separated from the bottom of the sealing ring, the gas and part of the lubricating oil in the gas storage tank can reenter the shell of the speed reducer through the communicating pipe;

the second step is as follows: the invention can actively radiate the shell of the speed reducer under the action of the radiating component without additional power, has good radiating effect and high energy efficiency, particularly, when a new energy automobile body is driven by a driving unit to drive a third gear to rotate, the third gear drives a first output shaft to rotate, the first output shaft drives an eccentric wheel to rotate, when the eccentric wheel rotates, a rotating ring moves along with the eccentric wheel, the rotating ring drives a piston ring to reciprocate in a tee pipe through a driving rod, when the piston ring moves towards one side of the driving rod, a one-way liquid drainage component positioned below is opened, the one-way liquid drainage component positioned below is closed under the hydraulic action, high-temperature lubricating oil enters the tee pipe, and along with the movement of the piston ring, the one-way liquid drainage component positioned below is closed under the hydraulic action, the one-way liquid drainage component positioned below is opened under the hydraulic action, and the high-temperature lubricating oil enters a condensing pipe to be cooled, and the lubricating oil after the temperature reduction is finished enters the reducer shell again, so that the temperature reduction process is continuously and efficiently carried out.

And thirdly: according to the oil change assembly, under the action of the oil change assembly, a worker can open and close the sealing plug at a position far away from the oil discharge hole, and the damage of incompletely-cooled lubricating oil to the worker is prevented.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of a portion of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a perspective view of the present invention

FIG. 4 is a schematic view of the exhaust assembly of the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is a perspective view of the reducer case according to the present invention;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is an enlarged view at D of FIG. 6;

FIG. 9 is a schematic view of the internal structure of the reducer case of the present invention;

FIG. 10 is an enlarged view at C of FIG. 9;

FIG. 11 is a schematic view of the construction of a one-way drainage member of the present invention.

Description of reference numerals: 1. a new energy automobile body; 2. a reducer housing; 3. an exhaust assembly; 4. a heat dissipating component; 5. an oil change assembly; 8. a sealing tube; 9. an exhaust duct; 10. a condenser; 11. a three-way pipe; 12. a gas storage tank; 13. a communicating pipe; 14. a closure cap; 15. connecting a limiting pipe; 16. a sealing ring; 17. a first spring; 18. a second spring; 19. sealing the wafer; 20. a rubber gasket; 21. a first output shaft; 22. a second output shaft; 23. an input shaft; 24. sealing; 25. connecting blocks; 26. a horizontal slide rail; 27. a fixed block; 28. a slider; 29. a vertical slide rail; 30. a connecting plate; 31. a connecting frame; 32. a push plate; 33. an arc-shaped limiting block; 34. an oil drain hole; 35. a drive gear; 36. a first gear; 37. a second gear; 38. a third gear; 39. a connecting shaft; 40. a rotating ring; 41. an eccentric wheel; 42. a drive rod; 43. a piston ring; 44. a fixing ring; 45. a mounting frame; 46. a third spring; 47. a circular sealing ring; 48. a drive wheel; 49. an input pipe; 50. an output pipe; 51. a stopper; 52. a baffle plate; 53. a spring is connected.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a speed reducer and a new energy automobile with the speed reducer through improvement, and the technical scheme of the invention is as follows:

the first embodiment is as follows:

as shown in fig. 1 to 11, a decelerator and a new energy vehicle having the same include:

a reducer case 2;

the exhaust assembly 3 is arranged at the top of the speed reducer shell 2;

the heat dissipation assembly 4 is arranged inside the speed reducer shell 2;

the oil change assembly 5 is arranged at the bottom of the speed reducer shell 2;

wherein, the exhaust component 3 comprises an exhaust pipeline 9, a closing cover 14, a connection limit pipe 15, a first spring 17, a closing ring 16, a second spring 18 and a closed wafer 19, the exhaust pipeline 9 is arranged at the top of the reducer casing 2, the exhaust pipeline 9 is communicated with the inside of the reducer casing 2, the closing cover 14 is arranged at the top of the exhaust pipeline 9, the closing cover 14 is in threaded connection with the exhaust pipeline 9, the connection limit pipe 15 is arranged at the bottom of the closing cover 14, the first spring 17 is arranged in the connection limit pipe 15, the top of the first spring 17 is fixedly connected with the bottom of the closing cover 14, the bottom of the first spring 17 is fixedly connected with the top of the closing ring 16, the second spring 18 is arranged inside the first spring 17, the top of the second spring 18 is fixedly connected with the bottom of the closing cover 14, a through groove for the second spring 18 to pass through is arranged on the closing ring 16, the second spring 18 extends to the lower part of the closing ring 16, and the bottom of the second spring 18 is fixedly connected with the closed wafer 19; when the temperature inside the reducer case 2 is too high, the internal pressure is also increased, and the first spring 17 is compressed by the air pressure.

Specifically, the exhaust assembly 3 further comprises a gas storage tank 12, a communicating pipe 13 and a sealing pipe 8, the sealing pipe 8 is arranged in the exhaust pipeline 9, a rubber gasket 20 is arranged at the bottom of the sealing ring 16, the bottom of the rubber gasket 20 is matched with the top of the sealing pipe 8, the top of the sealing wafer 19 is matched with the bottom of the sealing ring 16, the gas storage tank 12 is arranged on the side wall of one side of the reducer casing 2, one end of the communicating pipe 13 is communicated with the inside of the gas storage tank 12, and the other end of the communicating pipe 13 is communicated with the inside of the exhaust pipeline 9; when the temperature in the reducer rises and reaches a certain pressure, the first spring 17 is compressed, the rubber gasket 20 at the bottom of the sealing ring 16 is separated from the top of the sealing pipe 8, high-temperature gas in the reducer enters the gas storage tank 12 through the communicating pipe 13 and can be cooled in the gas storage tank 12, when the temperature of lubricating oil in the reducer shell 2 is reduced under the action of the heat dissipation assembly 4, the internal pressure of the reducer shell 2 is reduced, when the pressure in the reducer reaches a certain value, the second spring 18 is stretched, so that the top of the sealed wafer 19 is separated from the bottom of the sealing ring 16, and the gas and part of the lubricating oil in the gas storage tank 12 can enter the reducer shell 2 again through the communicating pipe 13;

specifically, the oil change assembly 5 comprises a sealing plug 24, a connecting block 25, a fixing block 27, two groups of horizontal sliding rails 26, two groups of vertical sliding rails 29, a connecting plate 30, a connecting frame 31, an arc-shaped limiting block 33 and a pushing plate 32, wherein an oil discharge hole 34 is formed in the bottom of the reducer casing 2, the sealing plug 24 is arranged in the oil discharge hole 34, the connecting block 25 is arranged at the bottom of the sealing plug 24, the two groups of fixing blocks 27 are arranged at the bottom of the reducer casing 2 at intervals, one end, far away from the sealing plug 24, of the connecting block 25 is rotatably connected with the two groups of fixing blocks 27, the two groups of horizontal sliding rails 26 are respectively arranged at two sides of the sealing plug 24, a sliding block 28 in sliding fit with the horizontal sliding rails 26 is arranged on each group of horizontal sliding rails 26, each group of vertical sliding rails 29 corresponds to the sliding block 28, each group of vertical sliding rails 29 is fixedly connected with the corresponding sliding block 28, the connecting plate 30 is arranged at the bottom of the connecting block 25, the two ends of the connecting plate 30 are respectively in sliding fit with the two groups of vertical sliding rails 29, one end of the connecting frame 31 is fixedly connected with the two groups of sliding blocks 28, one end of the pushing plate 32 is hinged with one end of the connecting frame 31 far away from the sliding blocks 28, the arc limiting block 33 is arranged at one side of the bottom of the speed reducer shell 2 close to the pushing plate 32, a stop block 51 is arranged at one side of the arc surface of the arc limiting block 33, the stop block 51 is connected with the arc limiting block 33 through a connecting spring 53, the stop block 51 is in sliding fit with the arc limiting block 33, a baffle 52 is arranged beside the stop block, and one end of the pushing plate 32 far away from the connecting frame 31 is arranged between the stop block 51 and the baffle 52; the staff presses dog 51, make catch plate 32 can rotate certain angle, make catch plate 32 and the separation of arc stopper 33, later staff's pulling catch plate 32, catch plate 32 drives link 31 and removes, link 31 drives slider 28 and removes, slider 28 continues to drive connecting plate 30 and removes, when connecting plate 30 removes, it can be when removing to catch plate 32 direction to close the block 24, the downstream, airtight stopper can rotate certain angle and oil drain hole 34 and break away from, because the safe distance has been kept between staff and the oil drain hole 34, consequently, can not cause the damage to the staff.

Specifically, an input shaft 23 is arranged inside the reducer housing 2, one end of the input shaft 23 extends out of the reducer housing 2, a driving gear 35 is sleeved at the other end of the input shaft 23, a connecting shaft 39 is arranged beside the input shaft 23, a first gear 36 is sleeved on the connecting shaft 39, a second gear 37 is arranged on one side of the first gear 36, the driving gear 35 is meshed with the first gear 36, a first output shaft 21 is arranged beside the connecting shaft 39, a third gear 38 is sleeved on the first output shaft 21, and the third gear 38 is meshed with the second gear 37; through the meshing action of the drive gear 35 and the first gear 36 and the meshing action of the third gear 38 and the second gear 37, the rotation speed of the drive unit of the new energy vehicle body 1 is reduced, and the torque is increased.

Specifically, the heat dissipation assembly 4 includes an eccentric wheel 41, a rotating ring 40, a driving rod 42, a piston ring 43, a three-way pipe 11 and two sets of one-way liquid drainage components, the eccentric wheel 41 is disposed at one end of the first output shaft 21 close to the third gear 38, the rotating ring 40 is sleeved on the eccentric wheel 41, the rotating ring 40 is rotatably connected with the eccentric wheel 41, the three-way pipe 11 is fixedly connected with the inner wall of the reducer housing 2, one end of the driving rod 42 is hinged to the side wall of the rotating ring 40, the other end of the driving rod 42 is hinged to the piston ring 43, the piston ring 43 is disposed in the pipe wall of the three-way pipe 11, the piston ring 43 is in sliding fit with the three-way pipe 11 in the horizontal direction, and the two sets of one-way liquid drainage components are disposed at the top and the bottom of the three-way pipe 11, respectively; when the eccentric wheel 41 rotates, the rotating ring 40 which is rotatably connected with the eccentric wheel 41 is driven to move, because one end of the driving rod 42 is hinged with the rotating ring 40, the other end of the driving rod 42 is hinged with the piston ring 43, the piston ring 43 is in sliding fit with the three-way pipe 11 in the horizontal direction, and when the eccentric wheel 41 rotates, the piston ring 43 reciprocates in the three-way pipe 11.

Specifically, each group of one-way liquid discharging parts comprises a fixing ring 44, a mounting frame 45, a third spring 46 and a circular sealing ring 47, wherein the mounting frame 45 is arranged at the top of the fixing ring 44, the third spring 46 is arranged at the bottom of the mounting frame 45, the circular sealing ring 47 is arranged at the bottom of the third spring 46, the bottom of the circular sealing ring 47 is matched with the top of the fixing ring 44, and the two groups of fixing rings 44 are respectively arranged at the top and the bottom of the three-way pipe 11. (ii) a The one-way liquid discharge component is used for controlling the flow direction of the lubricating liquid.

Specifically, the heat dissipation assembly 4 further comprises a condenser 10, an output pipeline 50 and an input pipeline 49, the condenser 10 is arranged on one side of the speed reducer casing 2 far away from the gas storage tank 12, one end of the input pipeline 49 is communicated with the top of the three-way pipe 11, the other end of the input pipeline 49 is communicated with the input end of the condenser 10, one end of the output pipeline 50 is communicated with the output end of the condenser 10, and the other end of the output pipeline 50 is communicated with the bottom of the speed reducer casing 2; when the new energy automobile body 1 is driven by the driving unit to drive the third gear 38 to rotate, the third gear 38 drives the first output shaft 21 to rotate, the first output shaft 21 drives the eccentric wheel 41 to rotate, and when the eccentric wheel 41 rotates, the rotating ring 40 will move along with the rotating ring 40, the rotating ring 40 drives the piston ring 43 to reciprocate in the three-way pipe 11 through the driving rod 42, when the piston ring 43 moves to the opposite side of the driving rod 42, the one-way liquid drainage part at the lower part is opened, the one-way liquid drainage part at the upper part is closed under the hydraulic action, the high-temperature lubricating oil enters the three-way pipe 11, and along with piston ring 43's motion, the one-way flowing back part that is located the below is closed, and the one-way flowing back part that is located the top is opened under hydraulic pressure, and high temperature lubricating oil gets into and cools down in the condenser pipe, and the lubricating oil after the cooling finishes gets into reduction gear housing 2 again for the cooling process lasts and goes on high-efficiently.

Specifically, rubber sealing layers are arranged on the bottom of each group of circular sealing rings 47 and the outer wall of the piston ring 43; the rubber seal layer can further ensure the sealing performance of the circular seal ring 47 and the piston ring 43.

Specifically, the speed reducer is applied to a new energy automobile and comprises a new energy automobile body 1;

a second output shaft 22 is arranged at one end, away from the first output shaft 21, of the eccentric wheel 41, the reducer housing 2 is arranged at the bottom of the new energy automobile body 1, and the first output shaft 21 and the second output shaft 22 are fixedly connected with two groups of driving wheels 48 of the new energy automobile body 1 respectively; the first output shaft 21 and the second output shaft 22 are used for driving the new energy automobile body 1 to move.

The working principle is as follows: when the temperature in the reducer housing 2 rises and reaches a certain pressure, the first spring 17 is compressed, the rubber gasket 20 at the bottom of the sealing ring 16 is separated from the top of the sealing pipe 8 at the moment, high-temperature gas in the reducer enters the gas storage tank 12 through the communicating pipe 13, the high-temperature gas is cooled in the gas storage tank 12, when the temperature of lubricating oil in the reducer housing 2 is reduced under the action of the heat dissipation assembly 4, the internal pressure of the reducer housing 2 is reduced, when the pressure in the reducer reaches a certain value, the second spring 18 is stretched, the top of the sealing wafer 19 is separated from the bottom of the sealing ring 16, and the gas in the gas storage tank 12 and part of the lubricating oil enter the reducer housing 2 again through the communicating pipe 13;

when the new energy automobile body 1 is driven by the driving unit to drive the third gear 38 to rotate, the third gear 38 drives the first output shaft 21 to rotate, the first output shaft 21 drives the eccentric wheel 41 to rotate, and when the eccentric wheel 41 rotates, the rotating ring 40 will move along with the rotating ring 40, the rotating ring 40 drives the piston ring 43 to reciprocate in the three-way pipe 11 through the driving rod 42, when the piston ring 43 moves to the opposite side of the driving rod 42, the one-way liquid drainage part at the lower part is opened, the one-way liquid drainage part at the upper part is closed under the hydraulic action, the high-temperature lubricating oil enters the three-way pipe 11, and along with piston ring 43's motion, the one-way flowing back part that is located the below is closed, and the one-way flowing back part that is located the top is opened under hydraulic pressure, and high temperature lubricating oil gets into and cools down in the condenser pipe, and the lubricating oil after the cooling finishes gets into reduction gear housing 2 again for the cooling process lasts and goes on high-efficiently.

The staff presses dog 51, make catch plate 32 rotate certain angle, make catch plate 32 and the separation of arc stopper 33, later staff's pulling catch plate 32, catch plate 32 drives link 31 and removes, link 31 drives slider 28 and removes, slider 28 continues to drive connecting plate 30 and removes, when connecting plate 30 removes, it can be when removing to catch plate 32 direction to closely be blocked 24, the downstream, thereby it breaks away from with oil drain hole 34 to rotate certain angle, because the safe distance has been kept between staff and the oil drain hole 34, consequently, can not cause the damage to the staff.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The reduction gear, its characterized in that, including:

a reducer case (2);

the exhaust assembly (3), the exhaust assembly (3) is arranged at the top of the speed reducer shell (2);

the heat dissipation assembly (4), the heat dissipation assembly (4) is arranged inside the speed reducer shell (2);

the oil change assembly (5), the oil change assembly (5) is arranged at the bottom of the speed reducer shell (2);

wherein, the exhaust assembly (3) comprises an exhaust pipeline (9), a closing cover (14), a connecting limit pipe (15), a first spring (17), a closing ring (16), a second spring (18) and a closed wafer (19), the exhaust pipeline (9) is arranged at the top of the reducer casing (2), the exhaust pipeline (9) is communicated with the inside of the reducer casing (2), the closing cover (14) is arranged at the top of the exhaust pipeline (9), the closing cover (14) is in threaded connection with the exhaust pipeline (9), the connecting limit pipe (15) is arranged at the bottom of the closing cover (14), the first spring (17) is arranged in the connecting limit pipe (15), the top of the first spring (17) is fixedly connected with the bottom of the closing cover (14), the bottom of the first spring (17) is fixedly connected with the top of the closing ring (16), the second spring (18) is arranged inside the first spring (17), the top of the second spring (18) is fixedly connected with the bottom of the closing cover (14), a through groove for the second spring (18) to pass through is formed in the closing ring (16), the second spring (18) extends to the lower portion of the closing ring (16), and the bottom of the second spring (18) is fixedly connected with the closed wafer (19).

2. A decelerator according to claim 1, wherein: exhaust subassembly (3) are still including gas receiver (12), communicating pipe (13) and sealed tube (8), sealed tube (8) set up in exhaust duct (9), the bottom of sealing washer (16) is provided with rubber packing ring (20), the bottom of rubber packing ring (20) and the top of sealed tube (8) mutually support, and the top of airtight disk (19) and the bottom of sealing washer (16) mutually support, gas receiver (12) set up on the lateral wall of reduction gear housing (2) one side, and the one end of communicating pipe (13) and the inside intercommunication of gas receiver (12), the other end and the inside intercommunication of exhaust duct (9) of communicating pipe (13).

3. A decelerator according to claim 1, wherein: the oil change assembly (5) comprises a sealing block (24), a connecting block (25), fixing blocks (27), two groups of horizontal sliding rails (26), two groups of vertical sliding rails (29), a connecting plate (30), a connecting frame (31), an arc limiting block (33) and a pushing plate (32), an oil discharge hole (34) is formed in the bottom of the speed reducer shell (2), the sealing block (24) is arranged in the oil discharge hole (34), the connecting block (25) is arranged at the bottom of the sealing block (24), the two groups of fixing blocks (27) are arranged at the bottom of the speed reducer shell (2) at intervals, one end, far away from the sealing block (24), of the connecting block (25) is rotatably connected with the two groups of fixing blocks (27), the two groups of horizontal sliding rails (26) are respectively arranged at two sides of the sealing block (24), and a sliding block (28) in sliding fit with the horizontal sliding rails (26) is arranged on each group of horizontal sliding rails (26), each group of vertical slide rails (29) corresponds to one slide block (28), each group of vertical slide rails (29) is fixedly connected with the corresponding slide block (28), the connecting plate (30) is arranged at the bottom of the connecting block (25), two ends of the connecting plate (30) are respectively in sliding fit with the two groups of vertical slide rails (29), one end of the connecting frame (31) is fixedly connected with the two groups of slide blocks (28), one end of the pushing plate (32) is hinged with one end of the connecting frame (31) far away from the slide blocks (28), the arc limiting block (33) is arranged at one side of the bottom of the reducer shell (2) close to the pushing plate (32), a stop block (51) is arranged at one side of the arc surface of the arc limiting block (33), the stop block (51) is connected with the arc limiting block (33) through a connecting spring (53), and the stop block (51) is in sliding fit with the arc limiting block (33), a baffle plate (52) is arranged beside the stop block, and one end of the push plate (32) far away from the connecting frame (31) is arranged between the stop block (51) and the baffle plate (52).

4. A decelerator according to claim 3, wherein: the inside of reduction gear casing (2) is provided with input shaft (23), and the one end of input shaft (23) extends to outside reduction gear casing (2), and the other pot head of input shaft (23) is equipped with drive gear (35), and the side of input shaft (23) is provided with connecting axle (39), and the cover is equipped with first gear (36) on connecting axle (39), and one side of first gear (36) is provided with second gear (37), drive gear (35) and first gear (36) meshing, the side of connecting axle (39) is provided with first output shaft (21), and the cover is equipped with third gear (38) on first output shaft (21), third gear (38) and second gear (37) meshing.

5. A decelerator according to claim 4, wherein: the heat dissipation component (4) comprises an eccentric wheel (41), a rotating ring (40), a driving rod (42), a piston ring (43), a three-way pipe (11) and two sets of one-way liquid drainage components, the eccentric wheel (41) is arranged at one end of the first output shaft (21) close to the third gear (38), the rotating ring (40) is sleeved on the eccentric wheel (41), the rotating ring (40) is rotatably connected with the eccentric wheel (41), the three-way pipe (11) is fixedly connected with the inner wall of the speed reducer shell (2), one end of the driving rod (42) is hinged with the side wall of the rotating ring (40), the other end of the driving rod (42) is hinged with the piston ring (43), the piston ring (43) is arranged in the pipe wall of the three-way pipe (11), and the piston ring (43) is matched with the three-way pipe (11) in a sliding way in the horizontal direction, and the two groups of one-way liquid drainage parts are respectively arranged at the top and the bottom of the three-way pipe (11).

6. A decelerator according to claim 5, wherein: each group of one-way liquid discharge parts comprises a fixing ring (44), a mounting rack (45), a third spring (46) and a circular sealing ring (47), wherein the mounting rack (45) is arranged at the top of the fixing ring (44), the third spring (46) is arranged at the bottom of the mounting rack (45), the circular sealing ring (47) is arranged at the bottom of the third spring (46), the bottom of the circular sealing ring (47) is matched with the top of the fixing ring (44), and the two groups of fixing rings (44) are respectively arranged at the top and the bottom of the three-way pipe (11).

7. A decelerator according to claim 6, wherein: radiator unit (4) are still including condenser (10), output pipeline (50) and input pipeline (49), condenser (10) set up the one side of keeping away from gas storage tank (12) in reduction gear housing (2), the one end of input pipeline (49) and the top intercommunication of three-way pipe (11), the other end of input pipeline (49) and the input intercommunication of condenser (10), the one end of output pipeline (50) and the output intercommunication of condenser (10), the other end of output pipeline (50) and the bottom intercommunication of reduction gear housing (2).

8. A decelerator according to claim 7, wherein: and rubber sealing layers are arranged at the bottom of each group of circular sealing rings (47) and on the outer wall of the piston ring (43).

9. A new energy automobile comprising the speed reducer of any one of claims 1 to 8, characterized in that: the speed reducer is applied to a new energy automobile and comprises a new energy automobile body (1);

one end, far away from the first output shaft (21), of the eccentric wheel (41) is provided with a second output shaft (22), the speed reducer shell (2) is arranged at the bottom of the new energy automobile body (1), and the first output shaft (21) and the second output shaft (22) are fixedly connected with two groups of driving wheels (48) of the new energy automobile body (1) respectively.