阅读说明：本技术 一种新能源汽车变速器及该变速器的防护壳体 (New energy automobile derailleur and protective housing of this derailleur ) 是由 邹平祥 于 2021-11-03 设计创作，主要内容包括：本发明涉及变速器领域,尤其涉及一种新能源汽车变速器及该变速器的防护壳体,包括有下保护壳、上保护壳、安装圆盘一、安装圆盘二、安装圆盘三等；下保护壳顶部通过紧固件连接的方式连接有上保护壳,上保护壳与下保护壳之间通过过盈配合的方式连接有安装圆盘一,上保护壳与下保护壳之间通过过盈配合的方式连接有三个安装圆盘二,安装圆盘三同样通过过盈配合的方式连接于上保护壳与下保护壳之间。通过设置的叶轮,能够在挂挡过程中利用液压转换成动力势能进而切换动力传递,使得传递至输出轴的转动速度逐渐加快,输出轴输出速度逐渐加快,从而达到使汽车变速的目的。(The invention relates to the field of transmissions, in particular to a new energy automobile transmission and a protective shell of the transmission, and the new energy automobile transmission comprises a lower protective shell, an upper protective shell, a first mounting disc, a second mounting disc, a third mounting disc and the like; the protective housing is connected to the top of the lower protective housing through a fastener, a first installation disc is connected between the upper protective housing and the lower protective housing through an interference fit mode, a second three installation discs are connected between the upper protective housing and the lower protective housing through an interference fit mode, and the third installation disc is connected between the upper protective housing and the lower protective housing through an interference fit mode. Through the impeller that sets up, can utilize hydraulic pressure to convert power potential energy and then switch power transmission at the in-process of putting into gear for the slew velocity who transmits to the output shaft accelerates gradually, and output shaft output speed accelerates gradually, thereby reaches the purpose that makes the automobile variable speed.)

1. The utility model provides a new energy automobile derailleur and protective housing of this derailleur, is including lower protective housing (1), its characterized in that still including: the top of the lower protective shell (1) is connected with the upper protective shell (2) in a fastener connection mode, and the lower protective shell (1) and the upper protective shell (2) are used for protecting internal parts; the upper protective shell (2) and the lower protective shell (1) are connected with one another through a first mounting disc (31) in an interference fit mode; the mounting disc II (32), the upper protective shell (2) and the lower protective shell (1) are connected with the three mounting disc II (32) in an interference fit mode, and the mounting disc III (33) is also connected between the upper protective shell (2) and the lower protective shell (1) in an interference fit mode; the mounting disc IV (34) is connected between the upper protective shell (2) and the lower protective shell (1) in an interference fit mode; the mounting disc III (33) is rotatably connected with a speed change assembly (4), and the speed change assembly (4) is used for changing the speed of the automobile; switching assembly (5), last protective housing (2) is last to be provided with switching assembly (5), and switching assembly (5) are used for switching power transmission, play the effect that makes the car variable speed.

2. The new energy automobile transmission and the protective shell of the transmission according to claim 1, characterized in that the speed change assembly (4) comprises an input shaft (41), a slotted spline shaft (42), a gear sleeve I (43), a gear sleeve II (44), a gear sleeve III (45), a special-shaped support rod (46), a transmission gear (47), an output shaft (48), an adjusting gear I (49), an adjusting gear II (410) and an adjusting gear III (411), wherein the mounting disc III (33) is rotatably connected with the input shaft (41), the slotted spline shaft (42) is welded at the right end of the input shaft (41), the slotted spline shaft (42) is rotatably connected with the mounting disc II (32) at one position, the slotted spline shaft (42) is rotatably connected with the gear sleeve I (43), the slotted spline shaft (42) is rotatably connected with the gear sleeve II (44), the gear sleeve III (45) is rotatably connected with the slotted spline shaft (42), a special-shaped supporting rod (46) is fixedly connected to the lower protective shell (1), the special-shaped supporting rod (46) is in contact with the upper protective shell (2), three transmission gears (47) are rotatably connected to the special-shaped supporting rod (46), a first gear sleeve (43), a second gear sleeve (44) and a third gear sleeve (45) are respectively meshed with the three transmission gears (47), an output shaft (48) is rotatably connected to the first mounting disc (31) and the fourth mounting disc (34) together, a first adjusting gear (49) is fixedly connected to the output shaft (48), a second adjusting gear (410) is fixedly connected to the output shaft (48) similarly, a third adjusting gear (411) is fixedly connected to the output shaft (48) similarly, and the first adjusting gear (49), the second adjusting gear (410) and the third adjusting gear (411) are respectively meshed with the three transmission gears (47).

3. The new energy automobile transmission and the protection shell of the transmission according to claim 2, characterized in that the switching component (5) comprises a Q-type slotted block (51), a transmission shaft (52), an impeller (53), a grooved pulley (54), an N-type slotted frame (55), a sliding shifting finger (56), a first return spring (57), a spline housing I (58), a spline housing II (59) and an octahedral shaft (510), the Q-type slotted block (51) is fixedly installed on two sides of the upper protection shell (2), the transmission shaft (52) is rotatably connected on the upper protection shell (2), the transmission shaft (52) is rotatably connected with the Q-type slotted block (51), the impeller (53) is symmetrically and fixedly connected on the transmission shaft (52), the grooved pulley (54) is symmetrically and fixedly connected on the transmission shaft (52), the N-type slotted frame (55) is fixedly connected in the upper protection shell (2), the sliding shifting finger (56) is symmetrically and slidably connected on the N-type slotted frame (55), the sliding shifting finger (56) on the same side is in limit connection with the grooved wheel (54), a pair of first reset springs (57) is connected between the sliding shifting finger (56) and the N-shaped slotted frame (55), the slotted spline shaft (42) is connected with a first spline housing (58) in a sliding mode, the first spline housing (58) is connected with one sliding shifting finger (56) in a sliding mode, a second spline housing (59) is connected to the slotted spline shaft (42) in a sliding mode, the second spline housing (59) is connected with the other sliding shifting finger (56) in a sliding mode, the first spline housing (58) is connected with an eight-face shaft (510) in a sliding mode, and the second spline housing (59) is connected with the eight-face shaft (510) in a symmetrical sliding mode.

4. The transmission of the new energy automobile and the protective casing of the transmission according to claim 3, wherein the grooved wheel (54) is provided with a set irregular sliding groove, so that the sliding finger (56) can move in the set irregular sliding groove, and the function of ensuring the stable operation of equipment is achieved.

5. The transmission of the new energy automobile and the protective shell of the transmission according to claim 3, it is characterized by also comprising an anti-clamping component (6), wherein the anti-clamping component (6) is arranged on the spline housing I (58) and the spline housing II (59), the anti-clamping component (6) comprises a second reset spring (62) and a first return spring (64), three long sliding grooves (61) are formed on the spline housing I (58) in a circumferential distribution manner, one of them eight face axle (510) and long spout (61) sliding connection are connected with three second reset spring (62) between eight face axle (510) and spline housing (58), and it has three pairs of short spout (63) to be opened to be the mode that circumference distributes on spline housing two (59), and two eight face axles (510) and homonymy short spout (63) sliding connection are connected with three first homing spring (64) between eight face axle (510) and spline housing two (59).

6. The new energy automobile transmission and the protection shell of the transmission according to claim 5, characterized in that the new energy automobile transmission further comprises a start transmission assembly (7), the start transmission assembly (7) is connected on the grooved spline shaft (42) in a sliding manner, the start transmission assembly (7) comprises a rotary gear (71), a sliding toothed ring (72), a second homing spring (73), a pentagonal sliding rod (74), an extrusion spring (75), an elastic toothed belt (76), a rotary ring (77) and a connecting rod (78), the rotary gear (71) is connected on the output shaft (48) in a sliding manner, five sliding toothed rings (72) are connected on the grooved spline shaft (42) in a center scattering manner, two adjacent sliding toothed rings (72) are in contact with each other, the second homing spring (73) is connected between the sliding toothed rings (72) and the grooved spline shaft (42), and the pentagonal sliding rod (74) is connected on the grooved spline shaft (42) in a sliding manner, the pentagonal sliding rod (74) is in contact with the sliding gear ring (72), the spline sleeve I (58) is also in contact with the pentagonal sliding rod (74), an extrusion spring (75) is connected between the pentagonal sliding rod (74) and the grooved spline shaft (42), an elastic toothed belt (76) is in transmission connection between the rotary gear (71) and the five sliding gear rings (72), the output shaft (48) is in sliding connection with a rotating ring (77), a connecting rod (78) is fixedly connected below the sliding shifting finger (56) on the left side, and the rotating ring (77) is in rotating connection with the connecting rod (78).

7. The transmission of the new energy automobile and the protective casing of the transmission according to claim 6, wherein the rotating ring (77) is of an outer ring octahedral structure, and is used for enabling the rotating ring (77) to be embedded with the rotating gear (71) so as to ensure that the rotating ring (77) and the rotating gear (71) synchronously transmit power.

8. The transmission of the new energy automobile and the protective casing of the transmission according to claim 6, wherein the elastic toothed belt (76) is a synchronous toothed belt, the elastic toothed belt (76) is a steel wire rope or a glass fiber rope as a strong layer, and the outer surface of the elastic toothed belt is covered with an inner circumference of a polyurethane or chloroprene rubber belt to form a toothed shape for meshing with the rotating gear (71) and the sliding toothed ring (72), and the strong layer has small deformation after bearing and can keep the circumferential section of the elastic toothed belt (76) unchanged, so that the elastic toothed belt (76) does not slide relative to the rotating gear (71) and the sliding toothed ring (72), and the effect of ensuring the constant synchronous transmission and the constant transmission ratio is achieved.

9. The transmission of the new energy automobile and the protective shell of the transmission according to claim 6, the oil pipe switching device is characterized by further comprising a switching oil injection assembly (8), the switching oil injection assembly (8) is arranged on the upper protective shell (2), the switching oil injection assembly (8) comprises a first oil pipe (81), a first execution switch (82), a second oil pipe (83), a second execution switch (84), a third oil pipe (85) and a third execution switch (86), the first oil pipe (81) is fixedly installed on the right side of the front of the upper protective shell (2), the first execution switch (82) is fixedly installed on the N-type slotting frame (55), the second oil pipe (83) is fixedly installed on the right side of the front of the upper protective shell (2), the second execution switch (84) is fixedly installed on the N-type slotting frame (55), the third oil pipe (85) is fixedly connected to the left side of the front of the upper protective shell (2), and the third execution switch (86) is fixedly installed on the N-type slotting frame (55).

10. The new energy automobile transmission and the protective casing of the transmission according to claim 9, characterized by further comprising a rectangular baffle (10) and a special-shaped baffle (11), wherein four oil leakage holes (9) are formed in the bottom of the lower protective casing (1), the top of the upper protective casing (2) is connected with the rectangular baffle (10) in a bolt connection mode, and the special-shaped baffle (11) is connected to the rear side of the upper protective casing (2) in a bolt connection mode.

Technical Field

The invention relates to the field of transmissions, in particular to a new energy automobile transmission and a protective shell of the transmission.

Background

With the development of modern industry and the continuous improvement of people's living standard, in order to meet various needs of the market, the gearbox is continuously innovated, the gearbox mainly refers to the gearbox of the car, it is divided into manual, automatic two kinds, the manual gearbox mainly comprises gear and axle, produce the speed change torque moment through different gear combinations, and the automatic gearbox AT is made up of hydraulic torque converter, planetary gear and hydraulic control system, reach the speed change torque moment through the way of hydraulic transmission and gear combination.

In the prior art, the most widely used automatic clutch gearbox is equivalent to a manual gearbox added with a control computer, and compared with the manual gearbox, the automatic clutch gearbox is simple to operate, and a system for automatically controlling a clutch and a gear shifting mechanism is additionally arranged on the basis of the traditional manual gearbox, so that the transmission efficiency is higher, but a driver can cause strong jerking due to gear change in the driving process, the comfort is poor, the power response is not direct enough, and the phenomenon of power interruption can easily occur in the gear shifting process.

Disclosure of Invention

The invention aims to provide a new energy automobile transmission and a protective shell of the new energy automobile transmission, which can achieve speed and torque changing by using a hydraulic transmission and gear combination mode, reduce jerking feeling and avoid power interruption caused by jamming in a gear shifting process, so as to overcome the defects of strong jerking feeling and easy power interruption in the gear shifting process of the conventional device.

The technical implementation scheme of the invention is as follows: the utility model provides a new energy automobile derailleur and protective housing of this derailleur, including lower protective housing, still including: the top of the lower protective shell is connected with the upper protective shell in a fastener connection mode, and the lower protective shell and the upper protective shell are used for protecting internal parts; the upper protective shell and the lower protective shell are connected with one another in an interference fit mode; the mounting disc II is connected between the upper protective shell and the lower protective shell in an interference fit mode, and the mounting disc III is also connected between the upper protective shell and the lower protective shell in an interference fit mode; the mounting disc IV is connected between the upper protective shell and the lower protective shell in an interference fit mode; the mounting disc III is rotatably connected with a speed change assembly, and the speed change assembly is used for changing the speed of the automobile; the switching assembly is arranged on the upper protective shell and used for switching power transmission, and the switching assembly plays a role in changing the speed of the automobile.

More preferably, the speed change assembly comprises an input shaft, a slotted spline shaft, a gear sleeve I, a gear sleeve II, a gear sleeve III, a special-shaped support rod, a transmission gear, an output shaft, an adjusting gear I, an adjusting gear II and an adjusting gear III, the third installation disc is rotatably connected with the input shaft, the right end of the input shaft is welded with the slotted spline shaft, the slotted spline shaft is rotatably connected with the second installation disc at one of the two positions, the slotted spline shaft is rotatably connected with the first gear sleeve I, the slotted spline shaft is rotatably connected with the second gear sleeve II, the third gear sleeve is rotatably connected with the slotted spline shaft, the lower protection shell is fixedly connected with the special-shaped support rod, the special-shaped support rod is contacted with the upper protection shell, the third transmission gear is rotatably connected with the special-shaped support rod, the first gear sleeve, the second gear sleeve and the third gear sleeve are respectively engaged with the three transmission gears, the first installation disc and the fourth installation disc are rotatably connected with the output shaft, the output shaft is fixedly connected with a first adjusting gear, a second adjusting gear is also fixedly connected to the output shaft, a third adjusting gear is also fixedly connected to the output shaft, and the first adjusting gear, the second adjusting gear and the third adjusting gear are respectively meshed with the three transmission gears.

More preferably, the switching component comprises a Q-shaped slotted block, a transmission shaft, an impeller, a grooved pulley, an N-shaped slotted frame, a sliding shifting finger, a first return spring, a spline housing I, a spline housing II and an eight-sided shaft, the Q-shaped slotted block is fixedly arranged on two sides of the upper protective shell, the transmission shaft is rotatably connected on the upper protective shell, the transmission shaft is rotatably connected with the Q-shaped slotted block, the impeller is symmetrically and fixedly connected on the transmission shaft, the grooved pulley is symmetrically and fixedly connected on the transmission shaft, the N-shaped slotted frame is fixedly connected in the upper protective shell, the sliding shifting finger is symmetrically and slidably connected on the N-shaped slotted frame, the sliding shifting finger at the same side is in limit connection with the grooved pulley, a pair of first return springs is connected between the sliding shifting finger and the N-shaped slotted frame, the spline housing I is slidably connected with one of the sliding shifting fingers, and the spline housing II is slidably connected on the slotted spline shaft, the second spline housing is connected with the other sliding shifting finger in a sliding mode, the first spline housing is connected with an eight-sided shaft in a sliding mode, and the second spline housing is connected with the eight-sided shaft in a symmetrical sliding mode.

More preferably, the grooved wheel is provided with a set special-shaped sliding groove, so that the sliding shifting finger can move in the set special-shaped sliding groove, and the effect of ensuring the stable operation of the equipment is achieved.

More preferably, still including anti-sticking subassembly, be provided with anti-sticking subassembly on spline housing one and the spline housing two, anti-sticking subassembly is including second reset spring and first homing spring, the mode that is circumference and distributes on the spline housing one is opened and is had three long spout, one of them eight axle and long spout sliding type are connected, be connected with three second reset spring between eight axle and the spline housing one, it has three pairs of short spouts to open to be the mode that circumference distributes on the spline housing two, another two eight axles and the short spout sliding type of homonymy are connected, be connected with three first homing spring between eight axle and the spline housing two.

More preferably, the starting device further comprises a starting transmission assembly, the slotted spline shaft is connected with the starting transmission assembly in a sliding manner, the starting transmission assembly comprises a rotating gear, sliding toothed rings, a second homing spring, a pentagonal sliding rod, an extrusion spring, an elastic toothed belt, a rotating ring and a connecting rod, the rotating gear is connected to the output shaft in a rotating manner, five sliding toothed rings are connected to the slotted spline shaft in a sliding manner in a center scattering manner, two adjacent sliding toothed rings are in contact with each other, the second homing spring is connected between each sliding toothed ring and the slotted spline shaft, the pentagonal sliding rod is connected to the slotted spline shaft in a sliding manner, the pentagonal sliding rod is in contact with the sliding toothed rings, the spline sleeve I is also in contact with the pentagonal sliding rod, the extrusion spring is connected between the pentagonal sliding rod and the slotted spline shaft, the elastic toothed belt is connected between the rotating gear and the five sliding toothed rings in a transmission manner, the rotating ring is connected to the output shaft in a sliding manner, the connecting rod is fixedly connected below the left sliding shifting finger, and the rotating ring is rotatably connected with the connecting rod.

More preferably, the rotating ring is of an outer ring octahedral structure and is used for enabling the rotating ring to be embedded with the rotating gear to play a role in ensuring that the rotating ring and the rotating gear synchronously transmit power.

More preferably, the elastic toothed belt is a synchronous toothed belt, the elastic toothed belt is a steel wire rope or a glass fiber rope as a strong layer, the inner periphery of the elastic toothed belt or the glass fiber rope is covered with a polyurethane or chloroprene rubber belt to form a tooth shape for meshing with the rotary gear and the sliding toothed ring, and the strong layer is small in deformation after bearing and can keep the peripheral section of the elastic toothed belt unchanged, so that the elastic toothed belt, the rotary gear and the sliding toothed ring do not slide relatively, and the effect of ensuring the constant synchronous transmission and the constant transmission ratio is achieved.

More preferably, still including switching the oil spout subassembly, be provided with on the last protective housing and switch the oil spout subassembly, switch the oil spout subassembly including oil pipe one, execution switch one, oil pipe two, execution switch two, oil pipe three and execution switch three, it has oil pipe one to go up protective housing the place ahead right side fixed mounting, fixed mounting has execution switch one on the N type slotted frame, two fixed mounting of oil pipe are in last protective housing the place ahead right side, two fixed mounting of execution switch are on N type slotted frame, go up protective housing the place ahead left side fixedly connected with oil pipe three, fixed mounting has execution switch three on the N type slotted frame.

More preferably, the oil leakage protection device further comprises a rectangular baffle and a special-shaped baffle, four oil leakage holes are formed in the bottom of the lower protection shell, the top of the upper protection shell is connected with the rectangular baffle in a bolt connection mode, and the special-shaped baffle is connected to the rear side of the upper protection shell in a bolt connection mode.

Compared with the prior art, the invention has the following advantages:

through the impeller that sets up, can utilize hydraulic pressure to convert power potential energy and then switch power transmission at the in-process of putting into gear for the slew velocity who transmits to the output shaft accelerates gradually, and output shaft output speed accelerates gradually, thereby reaches the purpose that makes the automobile variable speed.

Through the resilience effect of the second reset spring and the first reset spring, the octahedral shaft can be smoothly clamped into the first gear sleeve, the second gear sleeve or the third gear sleeve to be accurately meshed, the gear shifting process is prevented from being blocked, and meanwhile, the power is prevented from being interrupted.

Through the effect of slip ring gear, can make the output shaft rotate with higher speed directly to drive the wheel rotation drive car after the engine starts for be minimum speed when the car starts, make the car can steadily start simultaneously, reduce the driver and feel of seting up and frustrating, guarantee the travelling comfort that the driver drove.

In the gear shifting process, the first oil pipe, the second oil pipe and the third oil pipe are controlled to spray lubricating oil in an intermittent mode while gears are switched, the lubricating oil can lubricate the first spline sleeve, the second spline sleeve and the grooved spline shaft, abrasion loads between the first spline sleeve and the second spline sleeve and the grooved spline shaft are reduced, the first spline sleeve and the second spline sleeve can slide conveniently, and therefore a driver can shift gears quickly.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a schematic perspective view of the lower protective shell and the oil leakage hole of the present invention.

Fig. 4 is a schematic perspective view of the upper protective shell according to the present invention.

Fig. 5 is a schematic view of a first partial body construction of the transmission assembly of the present invention.

FIG. 6 is a partially cut-away perspective view of the shift assembly of the present invention.

Fig. 7 is a schematic perspective view of a portion of the switching assembly of the present invention.

Fig. 8 is a partially cut-away perspective view of the switching assembly of the present invention.

Fig. 9 is a schematic perspective view of the anti-jamming assembly of the present invention.

Fig. 10 is an enlarged schematic view of the structure of the present invention a.

FIG. 11 is a second partial body configuration of the transmission assembly of the present invention.

Fig. 12 is a schematic view of a first partially split component of the launch drive assembly of the present invention.

Fig. 13 is a schematic view of a second partially split component of the launch drive assembly of the present invention.

Fig. 14 is a perspective view of the sliding ring gear and the second return spring according to the present invention.

FIG. 15 is a schematic view of a first partial body configuration of a switching fuel injection assembly according to the present invention.

FIG. 16 is a schematic view of a second partial body configuration of a switching fuel injection assembly according to the present invention.

Wherein the figures include the following reference numerals: 1. the lower protective shell comprises a lower protective shell, 2, an upper protective shell, 31, a first mounting disk, 32, a second mounting disk, 33, a third mounting disk, 34, a fourth mounting disk, 4, a speed change assembly, 41, an input shaft, 42, a slotted spline shaft, 43, a first gear sleeve, 44, a second gear sleeve, 45, a third gear sleeve, 46, a special-shaped support rod, 47, a transmission gear, 48, an output shaft, 49, a first adjusting gear, 410, a second adjusting gear, 411, a third adjusting gear, 5, a switching assembly, 51, a Q-shaped slotted block, 52, a transmission shaft, 53, an impeller, 54, a grooved wheel, 55, an N-shaped slotted frame, 56, a sliding finger, 57, a first return spring, 58, a first spline sleeve, 59, a second spline sleeve, 510, an octahedral shaft, 6, an anti-blocking assembly, 61, a long chute, 62, a second return spring, 63, a short chute, 64, a first return spring, 7, a starting transmission assembly, 71, a starting assembly, a second transmission assembly, a third installation disk, 4, a speed change assembly, a third installation disk, a fourth installation disk, 4, a transmission assembly, a third transmission gear, a fourth installation disk, a fourth installation disk, a fourth installation, a fourth, The oil injection device comprises a rotating gear 72, a sliding toothed ring 73, a second homing spring 74, a pentagonal sliding rod 75, an extrusion spring 76, an elastic toothed belt 77, a rotating ring 78, a connecting rod 8, a switching oil injection assembly 81, a first oil pipe 82, a first execution switch 83, a second oil pipe 84, a second execution switch 85, a third oil pipe 86, a third execution switch 9, an oil leakage hole 10, a rectangular baffle 11 and a special baffle.

Detailed Description

In order to make the technical solution and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A new energy automobile transmission and a protection shell of the transmission are disclosed, as shown in figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 15, comprising a lower protection shell 1, an upper protection shell 2, a first installation disc 31, a second installation disc 32, a third installation disc 33, a fourth installation disc 34, a speed change assembly 4 and a switching assembly 5, wherein the top of the lower protection shell 1 is connected with an upper protection shell 2 through a fastening piece, the lower protection shell 1 and the upper protection shell 2 are used for protecting internal components, the first installation disc 31 is connected between the upper protection shell 2 and the lower protection shell 1 through an interference fit mode, the three second installation discs 32 are connected between the upper protection shell 2 and the lower protection shell 1 through an interference fit mode, the third installation disc 33 is also connected between the upper protection shell 2 and the lower protection shell 1 through an interference fit mode, the upper protective shell 2 and the lower protective shell 1 are connected with a fourth mounting disc 34 in an interference fit mode, the third mounting disc 33 is rotatably connected with a speed change assembly 4 for enabling an automobile to run at a variable speed, a switching assembly 5 is arranged on the upper protective shell 2, and the switching assembly 5 is used for switching power output.

The speed change component 4 comprises an input shaft 41, a slotted spline shaft 42, a gear sleeve I43, a gear sleeve II 44, a gear sleeve III 45, a special-shaped support rod 46, a transmission gear 47, an output shaft 48, an adjusting gear I49, an adjusting gear II 410 and an adjusting gear III 411, wherein the mounting disc III 33 is rotatably connected with the input shaft 41, the right end of the input shaft 41 is welded with the slotted spline shaft 42, the slotted spline shaft 42 is rotatably connected with the mounting disc II 32 at one position, the slotted spline shaft 42 is rotatably connected with the gear sleeve I43, the slotted spline shaft 42 is rotatably connected with the gear sleeve II 44, the gear sleeve III 45 is rotatably connected with the slotted spline shaft 42, the lower protective shell 1 is fixedly connected with the special-shaped support rod 46, the special-shaped support rod 46 is in contact with the upper protective shell 2, the special-shaped support rod 46 is rotatably connected with the three transmission gears 47 for transmitting power, the gear sleeve I43, the gear sleeve II 44, the gear sleeve III, The third gear sleeve 45 is respectively meshed with the three transmission gears 47, the first mounting disk 31 and the fourth mounting disk 34 are jointly and rotatably connected with an output shaft 48, the output shaft 48 is fixedly connected with a first adjusting gear 49, a second adjusting gear 410 is also fixedly connected to the output shaft 48, a third adjusting gear 411 is also fixedly connected to the output shaft 48, the output shaft 48 is used for driving wheels to rotate to drive an automobile, the first adjusting gear 49, the second adjusting gear 410 and the third adjusting gear 411 are respectively meshed with the three transmission gears 47, and the first adjusting gear 49, the second adjusting gear 410 and the third adjusting gear 411 are all used for transmitting power to the output shaft 48.

The switching component 5 comprises a Q-shaped slotted block 51, a transmission shaft 52, an impeller 53, a grooved wheel 54, an N-shaped slotted frame 55, a sliding shifting finger 56, a first return spring 57, a spline housing I58, a spline housing II 59 and an octahedral shaft 510, wherein the Q-shaped slotted block 51 is fixedly installed on two sides of the upper protective shell 2, the transmission shaft 52 is rotatably connected on the upper protective shell 2, the transmission shaft 52 is rotatably connected with the Q-shaped slotted block 51, the impeller 53 is symmetrically and fixedly connected on the transmission shaft 52, the impeller 53 is used for providing power for equipment by utilizing hydraulic power, the grooved wheel 54 is symmetrically and fixedly connected on the transmission shaft 52, the N-shaped slotted frame 55 is fixedly connected in the upper protective shell 2, the sliding shifting finger 56 is symmetrically and slidably connected on the N-shaped slotted frame 55, the sliding shifting finger 56 on the same side is in limit connection with the grooved wheel 54, the grooved wheel 54 is used for pushing the sliding shifting finger 56 to reciprocate left and right, a pair of first return springs 57 is connected between the sliding shifting finger 56 and the N-shaped slotted frame 55, the slotted spline shaft 42 is slidably connected with a first spline housing 58, the first spline housing 58 is slidably connected with one sliding finger 56, a second spline housing 59 is slidably connected with the slotted spline shaft 42, the second spline housing 59 is slidably connected with the other sliding finger 56, the first spline housing 58 is slidably connected with an eight-sided shaft 510, and the second spline housing 59 is symmetrically and slidably connected with the eight-sided shaft 510.

The device is arranged in a new energy automobile, an input shaft 41 is connected with an engine transmission shaft 52, an output shaft 48 is connected with automobile wheels, when a driver starts the automobile, the engine is started to drive the input shaft 41 to rotate, the input shaft 41 drives a slotted spline shaft 42 and an upper device thereof to rotate, the driver puts a gear into 1 gear, pressure is applied to hydraulic oil in a Q-shaped slotted block 51 to flow in the gear-shifting process, the hydraulic oil can drive an impeller 53 and the upper device thereof to rotate for 135 degrees, one grooved wheel 54 can drive a left sliding shifting finger 56 and a spline sleeve 58 to reciprocate left and right, so that the spline sleeve 58 can drive one octahedral shaft 510 to move towards the direction far away from the input shaft 41, one octahedral shaft 510 is embedded with a gear sleeve 43, the rotation of the octahedral shaft 510 can drive the gear sleeve 43 to rotate, the gear sleeve 43 drives an adjusting gear 49 and the upper device thereof to rotate through a transmission gear 47, so that the rotating speed transmitted to the output shaft 48 is gradually increased, and the output shaft 48 drives the wheels to rotate to drive the automobile.

When the driver puts the gear into 2, hydraulic oil can push the impeller 53 and the device thereon to rotate by 90 degrees, the grooved pulley 54 can push the sliding finger 56 and the spline housing 58 on the left side to move and reset towards the direction close to the input shaft 41, so that the eight-sided shaft 510 is separated from the gear housing one 43, the grooved pulley 54 on the other side can push the sliding finger 56 and the spline housing two 59 on the right side to move towards the direction close to the input shaft 41, so that the eight-sided shaft 510 is embedded with the gear housing two 44, the eight-sided shaft 510 rotates to drive the gear housing two 44 to rotate, the gear housing two 44 drives the adjusting gear two 410 and the device thereon to rotate through the transmission gear 47 in the middle, and the output shaft 48 further accelerates to rotate. When the driver puts the gear into 3, the hydraulic oil can push the impeller 53 and the device thereon to rotate by 90 degrees, the grooved wheel 54 can push the sliding finger 56 and the spline housing II 59 on the right side to move towards the direction away from the input shaft 41, so that the eight-sided shaft 510 is separated from the gear housing II 44, the eight-sided shaft 510 is embedded with the gear housing III 45, the eight-sided shaft 510 drives the gear housing III 45 to rotate, the gear housing III 45 drives the adjusting gear III 411 and the device thereon to rotate through the transmission gear 47 on the right side, and the output speed of the output shaft 48 is the highest speed, thereby achieving the purpose of changing the speed of the automobile.

Example 2

On the basis of embodiment 1, as shown in fig. 9, the anti-stuck device 6 is further included, the anti-stuck device 6 is disposed on the spline housing one 58 and the spline housing two 59, the anti-stuck device 6 is used for avoiding power interruption caused by stuck in the gear shifting process, the anti-stuck device 6 includes a second return spring 62 and a first return spring 64, three long sliding grooves 61 are formed in the spline housing one 58 in a circumferentially distributed manner, one eight-sided shaft 510 is connected with the long sliding grooves 61 in a sliding manner, three second return springs 62 are connected between the eight-sided shaft 510 and the spline housing one 58, and the second return spring 62 is rebounded to enable the eight-sided shaft 510 to move in a direction away from the input shaft 41 to be embedded with the gear housing one 43. Three pairs of short sliding grooves 63 are formed in the second spline housing 59 in a circumferentially distributed mode, the other two eight-sided shafts 510 are connected with the short sliding grooves 63 on the same side in a sliding mode, three first homing springs 64 are connected between the eight-sided shafts 510 and the second spline housing 59, and the first homing springs 64 rebound to enable the eight-sided shafts 510 to be smoothly clamped into the second gear housing 44 or the third gear housing 45.

When a driver shifts gears, the spline sleeve I58 and the octahedral shaft 510 move towards the direction far away from the input shaft 41, if the octahedral shaft 510 does not correspond to the gear sleeve I43, the gear sleeve I43 pushes the octahedral shaft 510 to move towards the direction close to the input shaft 41, and when the octahedral shaft 510 corresponds to the gear sleeve I43, the octahedral shaft 510 moves towards the direction far away from the input shaft 41 through the rebound effect of the second return spring 62 to be embedded with the gear sleeve I43. Similarly, when the octahedral shaft 510 does not correspond to the second gear sleeve 44 or the third gear sleeve 45, the octahedral shaft 510 pushes the second gear sleeve 44 or the third gear sleeve 45, and the octahedral shaft 510 can be smoothly clamped into the second gear sleeve 44 or the third gear sleeve 45 through the rebound effect of the first homing spring 64, so that the power interruption caused by the clamping in the gear shifting process is avoided.

Example 3

On the basis of embodiment 2, as shown in fig. 12, 13, 14 and 15, the automobile starting device further includes a starting transmission assembly 7, the starting transmission assembly 7 is slidably connected to the grooved spline shaft 42, the starting transmission assembly 7 is used for starting the automobile smoothly, the starting transmission assembly 7 includes a rotating gear 71, a sliding toothed ring 72, a second homing spring 73, a pentagonal sliding rod 74, an extrusion spring 75, an elastic toothed belt 76, a rotating ring 77 and a connecting rod 78, the rotating gear 71 is rotatably connected to the output shaft 48, five sliding toothed rings 72 are slidably connected to the grooved spline shaft 42 in a center scattering manner, two adjacent sliding toothed rings 72 are in contact with each other, the second homing spring 73 is connected between the sliding toothed rings 72 and the grooved spline shaft 42, the pentagonal sliding rod 74 is slidably connected to the grooved spline shaft 42, the pentagonal sliding rod 74 is in contact with the sliding toothed ring 72, and the pentagonal sliding rod 74 is used for pushing the sliding toothed rings 72 to move relatively, the first spline housing 58 is also in contact with the pentagonal sliding rod 74, the first spline housing 58 is used for pushing the pentagonal sliding rod 74 to move towards the direction close to the input shaft 41, an extrusion spring 75 is connected between the pentagonal sliding rod 74 and the slotted spline shaft 42, an elastic toothed belt 76 is connected between the rotating gear 71 and the five sliding toothed rings 72 in a transmission mode, a rotating ring 77 is connected on the output shaft 48 in a sliding mode, a connecting rod 78 is fixedly connected below the sliding thumb 56 on the left side, and the rotating ring 77 is connected with the connecting rod 78 in a rotating mode.

When the gear is put into the 1-gear, when the sliding finger 56 and the spline housing 58 on the left side move towards the direction close to the input shaft 41, the spline housing 58 can push the pentagonal sliding rod 74 to move towards the direction close to the input shaft 41, the pentagonal sliding rod 74 can push the sliding toothed ring 72 to move relatively, so that the sliding toothed ring 72 is expanded, after the engine is started, the slotted spline shaft 42 can drive the sliding toothed ring 72 to rotate, the sliding toothed ring 72 drives the rotary gear 71 and the devices thereon to rotate in an accelerating mode through the elastic toothed belt 76, the output shaft 48 drives the wheels to rotate to drive the automobile, and at the moment, the rotating speed of the automobile wheels is the lowest speed, so that the automobile can start stably, and the pause feeling felt by a driver is reduced.

When the left sliding thumb 56 and the left spline housing 58 move in the direction away from the input shaft 41, the spline housing 58 is separated from the pentagonal sliding rod 74, the stretched extrusion spring 75 is reset to drive the pentagonal sliding rod 74 to move in the direction away from the input shaft 41, the pentagonal sliding rod 74 is separated from the sliding toothed ring 72, the stretched second return spring 73 is reset to drive the sliding toothed ring 72 to move in the opposite direction and reset, meanwhile, the sliding thumb 56 drives the connecting rod 78 and the rotating ring 77 to move in the direction away from the input shaft 41, so that the rotating ring 77 is separated from the rotating gear 71, and the influence on the rotating gear 71 in the subsequent gear shifting is avoided.

Example 4

On the basis of embodiment 3, as shown in fig. 15 and 16, the oil-jet switching device further includes a switching oil-jet assembly 8, the switching oil-jet assembly 8 is disposed on the upper protective casing 2, the switching oil-jet assembly 8 is used for injecting lubricating oil, the switching oil-jet assembly 8 includes a first oil pipe 81, a first execution switch 82, a second oil pipe 83, a second execution switch 84, a third oil pipe 85 and a third execution switch 86, the first oil pipe 81 is fixedly mounted on the right front side of the upper protective casing 2, the first execution switch 82 is fixedly mounted on the N-type slotted frame 55, the first execution switch 82 is used for controlling the oil pump to start to enable the first oil pipe 81 to spray oil on the slotted spline shaft 42, the second oil pipe 83 is fixedly mounted on the right front side of the upper protective casing 2, the two execution switches 84 are fixedly mounted on the N-type slotted frame 55, the second execution switch 84 is used for controlling the oil pump to start to enable the second oil pipe 83 to inject lubricating oil, the third oil pipe 85 is fixedly connected to the left front side of the upper protective casing 2, and an execution switch III 86 is fixedly installed on the N-shaped slotting bracket 55, and the execution switch III 86 is used for controlling the oil pump to start so that the oil pipe III 85 sprays lubricating oil to the slotting spline shaft 42.

The oil pipe I81, the oil pipe II 83 and the oil pipe III 85 are respectively connected with three oil pumps in an oil tank, when the spline housing I58 moves towards the direction close to the input shaft 41, the sliding thumb finger 56 presses the execution switch III 86, the execution switch III 86 controls the oil pump to start to enable the oil pipe III 85 to spray lubricating oil to the slotted spline shaft 42, when the spline housing I58 moves towards the direction far away from the input shaft 41, the sliding thumb finger 56 is separated from the execution switch III 86, the oil pipe III 85 does not spray oil any more, the sliding thumb finger 56 presses one execution switch II 84, the execution switch II 84 controls the oil pump to start to enable the oil pipe II 83 to spray oil, when the spline housing II 59 moves towards the direction close to the input shaft 41, the sliding thumb finger 56 presses the execution switch I82, the execution switch I82 controls the oil pipe I81 to spray oil to the slotted spline shaft 42, and when the spline housing II 59 moves towards the direction far away from the input shaft 41, the sliding shifting finger 56 is separated from the first execution switch 82, the first oil pipe 81 does not spray lubricating oil any more, the sliding shifting finger 56 presses the second execution switch 84, the second execution switch 84 controls the oil pump to be started, the second oil pipe 83 sprays the lubricating oil, the lubricating oil can lubricate the first spline housing 58, the second spline housing 59 and the grooved spline shaft 42, abrasion loads between the first spline housing 58 and the second spline housing 59 and the grooved spline shaft 42 are reduced, and the sliding of the first spline housing 58 and the second spline housing 59 is facilitated to carry out gear shifting.

Example 5

On the basis of embodiment 4, as shown in fig. 1, the lubricating oil protecting device further comprises a rectangular baffle 10 and a special-shaped baffle 11, four oil leakage holes 9 are formed in the bottom of the lower protecting shell 1, the oil leakage holes 9 are used for enabling lubricating oil to flow back into the oil tank, the top of the upper protecting shell 2 is connected with the rectangular baffle 10 in a bolt connection mode, the special-shaped baffle 11 is connected to the rear side of the upper protecting shell 2 in a bolt connection mode, and the rectangular baffle 10 and the special-shaped baffle 11 play a role in facilitating disassembly and maintenance of workers.

The lubricating oil sprayed onto the grooved spline shaft 42 flows into the lower protective housing 1, and the lubricating oil can leak out to the oil tank through the oil leak hole 9, thereby recycling the lubricating oil. When the internal parts are damaged, a maintenance worker can disassemble the rectangular baffle 10 and the special-shaped baffle 11 to maintain the internal parts.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.