CN208442254U - A kind of new automobile automatic transmission - Google Patents

Abstract

The utility model discloses a kind of new automobile automatic transmission, including engine shaft, control shaft of reversing gear, forward gear shaft and shaft of reversing gear, shaft of reversing gear is connected with the governor gear that reverses gear by the driven gear that reverses gear, the governor gear that reverses gear, which is mounted on, to reverse gear in control shaft, the controllable gear that reverses gear is also equipped on the outside of control shaft of reversing gear, the controllable gear that reverses gear is connected with the first gear driving gear by way of gear teeth meshing, and the first gear driving gear is mounted on engine shaft；The utility model automatic gearbox, in the state of reversing gear, reverse gear controller control gear support column enters in the central axis for the controllable gear that reverses gear, the control shaft rotation so that controllable gear drive of reversing gear is reversed gear, to drive reverse gear driven gear and shaft rotation of reversing gear by the governor gear that reverses gear, automobile enters driving status of reversing gear, entire automatic transmission is reliable for operation, velocity transformation good linearity, while the cost for increasing gear number is low, transmission efficiency is high, and structure is simple.

Description

A kind of new automobile automatic transmission

Technical field

The utility model relates to automatic transmission technical field, specially a kind of new automobile automatic transmission.

Background technique

Existing automotive transmission common are four kinds of patterns: be respectively hydraulic automatic speed variator (AT), mechanical stepless from Dynamic speed changer (CVT), electric-controlled mechanical automatic speed transmission (AMT), dual-clutch transmission (DSG).

AT is made of hydraulic torque converter, planetary gear and hydraulic control system, passes through fluid power transmitting and gear combination Mode realizes variable-speed torque-converting.Wherein hydraulic torque converter is most important component, it is by component groups such as pump impeller, turbine and guide wheels At, have the effect of transmitting torque and clutch concurrently, the disadvantage is that: velocity variations are slow in reacting, and gear number is not easy excessively pause and transition in rhythm or melody of shifting gears Sense is big, and transmission efficiency is lower, and structure is complicated, poor reliability, repairs difficult；Compared with AT, CVT eliminates complicated and bulky Gear combination gear, but two groups of belt wheels carry out gear, by the contact for changing driving wheel and driven wheel transmission belt Radius carries out speed change.Due to eliminating gear drive, transmission ratio can arbitrarily change, and speed change is more smooth, does not change The kick sense of gear, the disadvantage is that: structure is complicated, and transmission belt is easily damaged, and it is small to bear load；AMT and hydraulic automatic speed variator It (AT) is equally geared automatic transmission.It is on the basis of common manual speed changer, by installing the electronic of micro computer control additional Device replaces separation, engagement and the block selecting of speed changer, gear shifting action of the clutch completed originally by manual operation, realizes certainly Move gear, the disadvantage is that: shift pause and transition in rhythm or melody sense is big, and gear number is not easy excessively, and when shift needs through clutch cutting power, vehicle Safety is poor；DSG gearbox is divided to wet type and two kinds of dry type, the disadvantage is that: complex process transmits power by clutch, low Clutch is easy fever and shuts down in speed traveling.It is also provided simultaneously with reliable for operation, velocity transformation good linearity currently on the market, increases The cost of shift-up digit is low, and transmission efficiency is high, the simple automatic transmission of structure.

Summary of the invention

The purpose of this utility model is to provide a kind of new automobile automatic transmission, have reliable for operation, velocity transformation Good linearity, while the cost for increasing gear number is low, transmission efficiency is high, and the simple advantage of structure can solve in the prior art Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of new automobile automatic transmission, including Engine shaft, control shaft of reversing gear, forward gear shaft and shaft of reversing gear, the forward gear shaft and shaft of reversing gear are located at hair The two sides of motivation shaft are equipped with the driven gear that reverses gear, the first fixed plate and the second fixed plate on the outside of shaft of reversing gear, and reverse gear and turn Axis is connected with the governor gear that reverses gear by the driven gear that reverses gear, and the governor gear that reverses gear, which is mounted on, to reverse gear in control shaft, reverses gear The controllable gear that reverses gear is also equipped on the outside of control shaft, the controllable gear that reverses gear is connected with first by way of gear teeth meshing Gear driving gear, the first gear driving gear are mounted on engine shaft, and the second gear is also equipped on engine shaft Driving gear, third gear driving gear, fourth speed position driving gear, fifth speed position driving gear, sixth speed position driving gear, Seventh speed position driving gear, eighth gear driving gear, ninth speed position driving gear, tenth speed position driving gear, the 11st grade Position driving gear, the 12nd gear driving gear and third fixed plate, engine shaft are connected with advance by third fixed plate Keep off shaft, be equipped on the outside of the forward gear shaft the controllable gear of the first gear, the second controllable gear, the controllable gear of third, 4th controllable gear, the 5th controllable gear, the 6th controllable gear, the 7th controllable gear, the 8th controllable gear, the 9th controllable tooth Wheel, the tenth controllable gear, the 11st controllable gear and the 12nd controllable gear, one end of forward gear shaft are connected with forward Controller.

Preferably, the engine shaft, control shaft of reversing gear, forward gear shaft and shaft of reversing gear are mutually parallel.

Preferably, one end of the control shaft of reversing gear is equipped with reverse gear controller.

Preferably, shift control guide rail and gear support column, gear support column are installed on the inside of the forward gear shaft It is flexibly connected shift control guide rail, the outside of gear support column is equipped with the first gear detent key and the second gear detent key, and first The both ends of gear detent key and the second gear detent key are mounted on screens spring, one end connection gear control of gear support column Bar.

Preferably, detent in the controllable gear of gear is installed on the outside of the forward gear shaft.

Compared with prior art, beneficial effects of the present invention are as follows:

The utility model automatic gearbox, in the state of reversing gear, reverse gear controller control gear support column, which enters, to reverse gear In the central axis of controllable gear, the control shaft rotation so that controllable gear drive of reversing gear is reversed gear, to pass through the governor gear band that reverses gear Dynamic reverse gear driven gear and shaft rotation of reversing gear, automobile is into driving status of reversing gear, and entire automatic transmission is reliable for operation, speed Linear conversion is good, while the cost for increasing gear number is low, and transmission efficiency is high, and structure is simple.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the forward gear shaft schematic cross-sectional view of the utility model.

In figure: 1 the 12nd gear driving gear, 2 the 11st gear driving gears, 3 tenth speed position driving gears, 4 the 9th Gear driving gear, 5 eighth gear driving gears, 6 seventh speed position driving gears, 7 sixth speed position driving gears, 8 fifth speed positions Driving gear, 9 fourth speed position driving gears, 10 third gear driving gears, 11 second gear driving gears, 12 first are fixed Plate, 13 first gear driving gears, 14 reverse gear controllable gear, 15 reverse gear control shaft, 16 second fixed plates, 17 reverse gear driven tooth Wheel, 18 reverse gear governor gear, 19 reverse gear before shaft, 20 reverse gear controllers, 21 engine shafts, 22 forward controllers, 23 Into gear shaft, the controllable gear of 24 first gears, 25 second controllable gears, the controllable gear of 26 thirds, 27 the 4th controllable gears, 28 the Five controllable gears, 29 the 6th controllable gears, 30 the 7th controllable gears, 31 the 8th controllable gears, 32 the 9th controllable gears, 33 the tenth Controllable gear, 34 the 11st controllable gears, 35 the 12nd controllable gears, 36 third fixed plates, 37 shift control guide rails, 38 gears Support column, 39 screens springs, 40 second gear detent keys, 41 first gear detent keys, 42 gear control-rods.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, belongs to the range of the protection of the utility model.

A kind of new automobile automatic transmission referring to FIG. 1-2, including engine shaft 21, control shaft of reversing gear 15, advance It gear shaft 23 and reverses gear shaft 19, engine shaft 21, control shaft of reversing gear 15, forward gear shaft 23 and reverses gear shaft 19 mutually In parallel, and by fixed plate it fixes, forward gear shaft 23 is located at the two sides of engine shaft 21 with shaft 19 of reversing gear, and reverses gear and turns The outside of axis 19 is equipped with the driven gear 17 that reverses gear, the first fixed plate 12 and the second fixed plate 16, and shaft of reversing gear 19 is by reversing gear Driven gear 17 is connected with the governor gear 18 that reverses gear, and the governor gear 18 that reverses gear, which is mounted on, to reverse gear in control shaft 15, control of reversing gear One end of axis 15 processed is equipped with reverse gear controller 20, and reverse gear controller 20 drives the rotation of control shaft 15 of reversing gear, control shaft of reversing gear 15 Outside be also equipped with the controllable gear 14 that reverses gear, the controllable gear 14 that reverses gear is connected with first grade by way of gear teeth meshing Position driving gear 13, the first gear driving gear 13 is mounted on engine shaft 21, and the is also equipped on engine shaft 21 Two gear driving gears 11, third gear driving gear 10, fourth speed position driving gear 9, fifth speed position driving gear the 8, the 6th Gear driving gear 7, seventh speed position driving gear 6, eighth gear driving gear 5, ninth speed position driving gear 4, tenth speed position Driving gear 3, the 11st gear driving gear 2, the 12nd gear driving gear 1 and third fixed plate 36, engine shaft 21 It is connected with forward gear shaft 23 by third fixed plate 36, the outside of forward gear shaft 23 is equipped with the controllable gear of the first gear 24, the controllable gear 26 of the second controllable gear 25, third, the 4th controllable gear 27, the 5th controllable gear 28, the 6th controllable gear 29, the 7th controllable gear 30, the 8th controllable gear 31, the 9th controllable gear 32, the tenth controllable gear 33, the 11st controllable gear 34 and the 12nd controllable gear 35, wherein the 12nd controllable gear 35 is matched with the 12nd gear driving gear 1, wherein the tenth One controllable gear 34 is matched with the 11st gear driving gear 2, wherein the tenth controllable gear 33 and tenth speed position driving gear 3 It matches, wherein the 9th controllable gear 32 is matched with ninth speed position driving gear 4, wherein the 8th controllable gear 31 and eighth speed Position driving gear 5 matches, wherein the 7th controllable gear 30 is matched with seventh speed position driving gear 6, wherein the 6th controllable tooth Wheel 29 is matched with sixth speed position driving gear 7, wherein the 5th controllable gear 28 is matched with fifth speed position driving gear 8, In the 4th controllable gear 27 matched with fourth speed position driving gear 9, the wherein controllable gear of third 26 and third gear driving tooth Wheel 10 matches, wherein the second controllable gear 25 is matched with the second gear driving gear 11, wherein the controllable gear of the first gear 24 match with the first gear driving gear 13, and one end of forward gear shaft 23 is connected with forward controller 22, forward gear The outside of shaft 23 is equipped with detent in the controllable gear of gear, and the inside of forward gear shaft 23 is equipped with 37 He of shift control guide rail Gear support column 38, gear support column 38 are flexibly connected shift control guide rail 37, and the outside of gear support column 38 is equipped with first gear The both ends of position detent key 41 and the second gear detent key 40, the first gear detent key 41 and the second gear detent key 40 are mounted on Screens spring 39, one end of gear support column 38 connect gear control-rod 42, and gear support column 38 is drawn in gear control-rod 42 Under along shift control guide rail 37 slide.

In summary: the utility model automatic gearbox, in the state of reversing gear, reverse gear controller 20 controls gear support Column 38 enters in the central axis for the controllable gear 14 that reverses gear, the rotation of control shaft 15 so that the controllable drive of gear 14 of reversing gear is reversed gear, thus Driven gear 17 is reversed gear with the rotation of shaft 19 of reversing gear by the drive of governor gear 18 of reversing gear, and automobile is whole into driving status of reversing gear A automatic transmission is reliable for operation, velocity transformation good linearity, while the cost for increasing gear number is low, and transmission efficiency is high, structure letter It is single.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understand do not depart from the principles of the present invention and spirit in the case where can to these embodiments carry out it is a variety of variation, modification, Replacement and variant, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of new automobile automatic transmission, including engine shaft (21), control shaft of reversing gear (15), forward gear shaft (23) With shaft of reversing gear (19), it is characterised in that: the forward gear shaft (23) and shaft of reversing gear (19) are located at engine shaft (21) it is fixed to be equipped with the driven gear that reverses gear (17), the first fixed plate (12) and second on the outside of shaft of reversing gear (19) for two sides Plate (16), shaft of reversing gear (19) are connected with the governor gear that reverses gear (18) by the driven gear that reverses gear (17), and reverse gear timing gear Wheel (18) is mounted on control shaft of reversing gear (15), reverse gear controllable gear (14) is also equipped on the outside of control shaft of reversing gear (15), It keeps off controllable gear (14) and is connected with the first gear driving gear (13), the first gear driving tooth by way of gear teeth meshing Wheel (13) is mounted on engine shaft (21), and the second gear driving gear (11), the are also equipped on engine shaft (21) Three gear driving gears (10), fourth speed position driving gear (9), fifth speed position driving gear (8), sixth speed position driving gear (7), seventh speed position driving gear (6), eighth gear driving gear (5), ninth speed position driving gear (4), the active of tenth speed position Gear (3), the 11st gear driving gear (2), the 12nd gear driving gear (1) and third fixed plate (36), engine turn Axis (21) is connected with forward gear shaft (23) by third fixed plate (36), and the is equipped on the outside of the forward gear shaft (23) The controllable gear of one gear (24), the second controllable gear (25), the controllable gear of third (26), the 4th controllable gear (27), the 5th can Control gear (28), the 6th controllable gear (29), the 7th controllable gear (30), the 8th controllable gear (31), the 9th controllable gear (32), the tenth controllable gear (33), the 11st controllable gear (34) and the 12nd controllable gear (35), forward gear shaft (23) One end is connected with forward controller (22).

2. a kind of new automobile automatic transmission according to claim 1, it is characterised in that: the engine shaft (21), control shaft of reversing gear (15), forward gear shaft (23) and shaft of reversing gear (19) are mutually parallel.

3. a kind of new automobile automatic transmission according to claim 1, it is characterised in that: the control shaft of reversing gear (15) One end reverse gear controller (20) are installed.

4. a kind of new automobile automatic transmission according to claim 1, it is characterised in that: the forward gear shaft (23) Inside shift control guide rail (37) and gear support column (38) be installed, gear support column (38) is flexibly connected shift control and leads The outside of rail (37), gear support column (38) is equipped with the first gear detent key (41) and the second gear detent key (40), first gear The both ends of position detent key (41) and the second gear detent key (40) are mounted on screens spring (39), and the one of gear support column (38) End connection gear control-rod (42).

5. a kind of new automobile automatic transmission according to claim 1, it is characterised in that: the forward gear shaft (23) Outside detent in the controllable gear of gear is installed.