CN2744894Y - Automatic transmission for motor vehicle - Google Patents
Automatic transmission for motor vehicle Download PDFInfo
- Publication number
- CN2744894Y CN2744894Y CN 200420107354 CN200420107354U CN2744894Y CN 2744894 Y CN2744894 Y CN 2744894Y CN 200420107354 CN200420107354 CN 200420107354 CN 200420107354 U CN200420107354 U CN 200420107354U CN 2744894 Y CN2744894 Y CN 2744894Y
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- shaft
- cylinder
- motor vehicle
- variable
- automatic transmission
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Abstract
The utility model provides an automatic transmission for a motor vehicle, belonging to the technical field of a transmission gear. The utility model which provides an automatic transmission for the motor vehicle is in a large scope of application, and has a non-stage transmission, a small reactive power loss, a non-shift impaction and low cost. The utility model has a gearbox and a clutch, the non-stage transmission arranged between the gearbox and the clutch comprises a conical power input shaft, a power output shaft, a variable-speed shaft and a driving sphere. Gear teeth are respectively and evenly distributed on the conical surface of the input shaft, the cylindrical surface of the output shaft, the cylindrical surface of the variable-speed shaft and the spherical surface of the driving sphere; besides, the driving sphere is arranged between the three shafts, and is respectively engaged with the three shafts, with the arrangement of an axial displacement transmission gear on the variable-speed shaft. The utility model has the advantages of simple structure, small reactive power loss, oil saving and low cost, and is not only suitable to a light car, but also suitable to a large motor vehicle. The utility model which can realize an automatic speed variation by a torsional moment changing signal device arranged on the utility model is easy in use, and is reliable.
Description
Technical field
The utility model relates to a kind of Motor Vehicle automatic transmission, belongs to the transmission device technical field.
Background technique
In having the motor vehicle of automatic speed variator, adopt Simpson's formula planetary speed variator more.Sun gear, planetary pinion and gear ring in the middle of the formation of this device comprises.To realize power output, its deficiency is that oil consumption is big by fixing wherein arbitrary position, complex structure, cost height, and shift impact is inevitable, and torque converter drive efficient is low.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of Motor Vehicle automatic transmission, thereby realizes stepless change, little, the no shift impact of reactive loss, low cost of manufacture, and goal of the invention applied widely overcomes the defective of above-mentioned prior art.
It is as follows to solve the problems of the technologies described above the technological scheme that is adopted:
A kind of Motor Vehicle automatic transmission, it comprises gearbox and clutch, 29 on said gearbox 19 and clutch are provided with stepless speed changes devices 24, stepless speed changes devices 24 comprises conical power input shaft 8, pto 22, variable-speed shaft 21 and transmission ball 23, each uniform driving cog 34 on the cylinder of the conical surface of input shaft 8, output shaft 22 and variable-speed shaft 21 and the sphere of transmission ball 23, and transmission ball 23 places three centres, and be meshed with three respectively, wherein, variable-speed shaft 21 is provided with the axial displacement transmission device.
Above-mentioned Motor Vehicle automatic transmission, described variable-speed shaft 21 set axial displacement transmission devices comprise the oil hydraulic cylinder 27 of being located at variable-speed shaft 21 two ends, two telltales 9 and a balanced lever device 1, wherein, 21 of the cylinder body of oil hydraulic cylinder 27 and variable-speed shafts are provided with bearing 20, cylinder body is provided with length travel slide rail 26 and slideway 25, telltale 9 comprises sealing oil cylinder 17, driving shaft 10 and driven axle 18, be provided with rod member hinge driving mechanism between driving shaft 10 and the driven axle 18, this mechanism comprises push rod 12, connecting rod 13 and tappet 14, push rod 12 1 ends and driving shaft 10 are hinged, the other end and two connecting rods 13 are hinged, the other end of two connecting rods 13 is hinged with driven axle 18 and tappet 14 respectively, the shaft of tappet 14 leans out from the set slideway of driven axle 18, and lean out end and be provided with roller 15, roller contacts with the piston 16 of sealing oil cylinder 17, balanced lever device 1 comprises upper rack 3, following tooth bar 5 and fulcrum gear 4, fulcrum gear 4 places, between the following tooth bar, and respectively with last, following tooth bar is meshed, each hinged instruction cylinder 2 of top, upper rack 3 two ends, each contacts the below with the push rod of a three-position four-way valve 6, two instruction cylinders 2 respectively are connected oil guide pipe with 17 of the sealing oil cylinders of a telltale 9, a length travel drive cylinder 7 is respectively established at following tooth bar 5 two ends, two three-position four-way valves 6 are connected to and reach between oil hydraulic cylinder 27 and the oil hydraulic pump 30 between drive cylinder 7 and the oil hydraulic pump 30, the driven axle 18 of a telltale 9 in two telltales links to each other with the input shaft 8 of stepless speed changes devices 24, driving shaft 10 links to each other with the driven end of clutch 29, the driven axle 18 of another telltale 9 links to each other with the output shaft 22 of stepless speed changes devices 24, and driving shaft 10 links to each other with the power input shaft of gearbox 19.
Above-mentioned Motor Vehicle automatic transmission, said driving cog 34 is the cylinder tooth.
Above-mentioned Motor Vehicle automatic transmission is mediate contact between the piston 16 of said roller 15 and sealing oil cylinder 17, is provided with push pedal 23 and buffering spring 32 therebetween.
Above-mentioned Motor Vehicle automatic transmission, the driven axle 18 of said telltale 9 and 8 of the input shafts of stepless speed changes devices 24 are provided with Bevel Gear Drive and pay 28.
Motor Vehicle automatic transmission provided by the utility model, because of its power input shaft adopts conical structure, and by means of the driving cog transmission on it and variable-speed shaft, output shaft and the transmission ball entire body, when transmission ball during along axially from one end to the other side the moving of conical power input shaft, no matter transmission ball change in rotational speed is from big to small, still from small to large, be continuous, stepless, shift impact can not occur.Simple in structure, reactive loss is little, use fuel-efficient, low cost of manufacture.Be not only applicable to sedan car, be suitable for a truck conspicuity marking use yet, so applied widely.The utility model also can be realized automatic speed regulation by means of self set change in torque telltale, and is easy to use and reliable.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model a drive mechanism simplified schematic diagram;
Fig. 2 is a hydraulic system principle figure embodiment illustrated in fig. 1;
Fig. 3 is the sectional view of telltale shown in Figure 1;
Fig. 4 is the A-A profile of Fig. 3;
Fig. 5 is the B-B profile of Fig. 1;
Fig. 6 is that the C of Fig. 5 is to office's sectional view.
The number in the figure implication is as follows: 1. balanced lever device; 2. instruction cylinder; 3. upper rack; 4. fulcrum gear; 5. descend tooth bar; 6. three-position four-way valve; 7. drive cylinder; 8. input shaft; 9. telltale; 10. driving shaft; 11. motor vehicle transmission axle; 12. push rod; 13. connecting rod; 14. tappet; 15. roller; 16. piston; 17. sealing oil cylinder; 18. driven axle; 19. gearbox; 20. bearing; 21. variable-speed shaft; 22. output shaft; 23. transmission ball; 24. stepless speed changes devices; 25. slideway; 26. slide rail; 27. oil hydraulic cylinder; 28. Bevel Gear Drive is paid; 29. clutch; 30. oil hydraulic pump; 31. engine crankshaft; 32. damping spring; 33. push pedal; 34. driving cog.
Specific embodiments
The utility model is described in further detail below in conjunction with embodiment's accompanying drawing:
Referring to accompanying drawing, this Motor Vehicle automatic transmission comprises gearbox 19 and clutch 29, and gearbox 19 is provided with neutral, forward gear and reverses gear.Gearbox 19 is provided with stepless speed changes devices 24, this device comprises conical power input shaft 8, pto 22, variable-speed shaft 21 and transmission ball 23, each uniform cylinder driving cog 34 on the cylinder of the conical surface of input shaft 8, output shaft 22 and variable-speed shaft 21 and the sphere of transmission ball 23, driving cog 34 also can adopt taper type.Place input shaft 8, output shaft 22 and variable-speed shaft 21 middle transmission balls 23 to be meshed with three respectively.In order to realize speed change, variable-speed shaft 21 is provided with the moving transmission device of axial displacement.
Shown in the figure, variable-speed shaft 21 set axial displacement transmission devices comprise the oil hydraulic cylinder 27 of being located at variable-speed shaft 21 two ends, two telltales 9 and a balanced lever device 1, wherein, 21 of the cylinder body of oil hydraulic cylinder 27 and variable-speed shafts are provided with bearing 20, cylinder body is provided with length travel slide rail 26 and slideway 25, in addition, also can only establish oil hydraulic cylinder 27 at variable-speed shaft 21 1 ends.Telltale 9 comprises sealing oil cylinder 17, driving shaft 10 and driven axle 18,18 of driving shaft 10 and driven axles are provided with the rod member hinge driving mechanism of being made up of push rod 12, connecting rod 13 and tappet 14, push rod 12 1 ends and driving shaft 10 are hinged, the other end and two connecting rods 13 are hinged, the other end of two connecting rods 13 is hinged with driven axle 18 and tappet 14 respectively, the shaft of tappet 14 leans out from the set slideway of driven axle 18, lean out end and be provided with roller 15, roller 15 can directly contact or mediate contact with the piston 16 of sealing oil cylinder 17.For preventing to impact, preferably adopt the mode of structure of mediate contact, as shown in Figure 3, set up push pedal 33 and buffering spring 32 at roller 15 and 16 in piston.Referring to Fig. 3, Fig. 4, rod member articulated link chain driving mechanism is provided with three groups altogether, also can select two groups or four groups etc. for use, and this should determine according to the size of transmitting torque.Balanced lever device 1 comprises upper rack 3, following tooth bar 5 and fulcrum gear 4, fulcrum gear 4 places between the upper and lower tooth bar, and be meshed with upper and lower tooth bar respectively, each hinged instruction cylinder 2 of top, upper rack 3 two ends, each contacts the below with the push rod of a three-position four-way valve 6, valve 6 is a machinery control post rod type three-position four-way valve, two instruction cylinders 2 respectively are connected oil guide pipe with 17 of the sealing oil cylinders of a telltale 9, a length travel drive cylinder 7 is respectively established at following tooth bar 5 two ends, and this place also can only establish a drive cylinder 7 at an end of following tooth bar 5.Two three-position four-way valves 6 be connected between drive cylinder 7 and the oil hydraulic pump 30 and oil hydraulic cylinder 27 and oil hydraulic pump 30 between, the driven axle 18 of a telltale 9 in two telltales links to each other with the input shaft 8 of stepless speed changes devices 24.When installing and using, its driving shaft 10 links to each other with the driven end of Motor Vehicle clutch 29.The power of oil hydraulic pump 30 is taken from the bent axle 31 of motor.The driven axle 18 of another telltale 9 links to each other with the output shaft 22 of stepless speed changes devices 24, and driving shaft 10 links to each other with the power input shaft of gearbox 19.The clutch end of gearbox 19 links to each other with the transmission shaft of Motor Vehicle 11.
Because of the power input shaft in the stepless speed changes devices 24 8 is a diminished shaft, when installing and using, the axis of its axis and engine crankshaft 31 is not parallel, and an angle is arranged therebetween, adopts cone gear to pay 28 transmissions so be located at the transmission of 8 of the driven axle of telltale of input shaft 8 one ends and input shafts.
Below with Fig. 3, telltale shown in Figure 4 is an example, its working principle is described: when driving shaft 10 when direction shown in Fig. 4 arrow is rotated, by push rod 12, connecting rod 13 promotes driven axle 18 and rotates synchronously in the same way with driving shaft 10, when overload operation, 18 of driving shaft 10 and driven axles can produce relative rotation, and can pass through push rod 12, connecting rod 13 promotes tappet 14 and moves to right, and by roller 15, push pedal 33 and buffering spring 32 promote piston 16 and move to right, pressure oil in the sealing oil cylinder 17 is directed to along pipeline in the instruction cylinder of balanced lever device, promotes the instruction cylinder working.Otherwise when load reduced, the pressure oil in the instruction cylinder can instead again flow back in the sealing oil cylinder 17.
Referring to Fig. 1, Fig. 2, working principle of the present utility model is: two telltales 9 being located at the power intake of stepless speed changes devices 24 and clutch end are used to detect the size of stepless speed changes devices input, output torque, and affact respectively by the pressure oils in its sealing oil cylinder 17 on the instruction cylinder 2 at upper rack 3 two ends of balanced lever device 1.Still referring to Fig. 1, for example the product of signal pressure that sends when the sealing oil cylinder 17 of left-side signal device 9 and upper rack 3AO section greater than right-side signal device 9 the signal pressure that sends of sealing oil cylinder 17 and during the product of upper rack 3BO section, prove the power of the power of input less than output.Simultaneously, upper rack 3 is the left end Dou that dips down under the effect of instruction cylinder 2, two three-position four-way valves 6 being located at below, upper rack 3 two ends move simultaneously, and the valve 6 on right side makes down the drive cylinder 7 and oil hydraulic pump 30 conductings of tooth bar 5, and tooth bar 5 and fulcrum gear 4 move to right under driving under the effect of drive cylinder 7.Simultaneously, the valve 6 in left side makes the oil hydraulic cylinder 27 and oil hydraulic pump 30 conductings at variable-speed shaft 21 two ends, and under the effect of oil hydraulic cylinder 27, promotion variable-speed shaft 21 and the transmission ball 23 that is meshed with it move to left, and realize the purpose that Motor Vehicle slows down automatically.On the contrary, when the instruction of sending when telltale made oil hydraulic cylinder 27 drive variable-speed shafts 21 and transmission ball 23 to move to right, Motor Vehicle was in automatic acceleration mode.When three-position four-way valve 6 mediated, Motor Vehicle was at the uniform velocity travelling state.
Claims (5)
1. Motor Vehicle automatic transmission, it is characterized in that: it comprises gearbox and clutch, be provided with stepless speed changes devices [24] between said gearbox [19] and clutch [29], stepless speed changes devices [24] comprises conical power input shaft [8], pto [22], variable-speed shaft [21] and transmission ball [23], the conical surface of input shaft [8], each uniform driving cog [34] on the sphere of the cylinder of output shaft [22] and variable-speed shaft [21] and transmission ball [23], and transmission ball [23] places three centres, and be meshed with three respectively, wherein, variable-speed shaft [21] is provided with the axial displacement transmission device.
2. Motor Vehicle automatic transmission according to claim 1, it is characterized in that: the set axial displacement transmission device of described variable-speed shaft [21] comprises the oil hydraulic cylinder [27] of being located at variable-speed shaft [21] two ends, two telltales [9] and a balanced lever device [1], wherein, be provided with bearing [20] between the cylinder body of oil hydraulic cylinder [27] and variable-speed shaft [21], cylinder body is provided with length travel slide rail [26] and slideway [25], telltale [9] comprises sealing oil cylinder [17], driving shaft [10] and driven axle [18], be provided with rod member hinge driving mechanism between driving shaft [10] and the driven axle [18], this mechanism comprises push rod [12], connecting rod [13] and tappet [14], push rod [12] one ends and driving shaft [10] are hinged, the other end and two connecting rods [13] are hinged, the other end of two connecting rods [13] is hinged with driven axle [18] and tappet [14] respectively, the shaft of tappet [14] leans out from the set slideway of driven axle [18], and lean out end and be provided with roller [15], roller [15] contacts with the piston [16] of sealing oil cylinder [17], balanced lever device [1] comprises upper rack [3], following tooth bar [5] and fulcrum gear [4], fulcrum gear [4] places, between the following tooth bar, and respectively with last, following tooth bar is meshed, each hinged instruction cylinder [2] of top, upper rack [3] two ends, each contacts the below with the push rod of a three-position four-way valve [6], two instruction cylinders [2] each with the sealing oil cylinder [17] of a telltale [9] between be connected oil guide pipe, a length travel drive cylinder [7] is respectively established at following tooth bar [5] two ends, two three-position four-way valves [6] are connected to and reach between oil hydraulic cylinder [27] and the oil hydraulic pump [30] between drive cylinder [7] and the oil hydraulic pump [30], the driven axle [18] of the telltale [9] in two telltales links to each other with the input shaft [8] of stepless speed changes devices [24], driving shaft [10] links to each other with the driven end of clutch [29], the driven axle [18] of another telltale [9] links to each other with the output shaft [22] of stepless speed changes devices [24], and driving shaft [10] links to each other with the power input shaft of gearbox [19].
3. Motor Vehicle automatic transmission according to claim 1 and 2 is characterized in that: above-mentioned Motor Vehicle automatic transmission, said driving cog [34] is the cylinder tooth.
4. Motor Vehicle automatic transmission according to claim 2 is characterized in that: be mediate contact between the piston [16] of said roller [15] and sealing oil cylinder [17], be provided with push pedal [23] and buffering spring [32] therebetween.
5. Motor Vehicle automatic transmission according to claim 2 is characterized in that: be provided with Bevel Gear Drive between the driven axle [18] of said telltale [9] and the input shaft [8] of stepless speed changes devices [24] and pay [28].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420107354 CN2744894Y (en) | 2004-11-24 | 2004-11-24 | Automatic transmission for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420107354 CN2744894Y (en) | 2004-11-24 | 2004-11-24 | Automatic transmission for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2744894Y true CN2744894Y (en) | 2005-12-07 |
Family
ID=35579675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420107354 Expired - Fee Related CN2744894Y (en) | 2004-11-24 | 2004-11-24 | Automatic transmission for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2744894Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144472A (en) * | 2017-12-04 | 2018-06-12 | 嘉善东佳新材料科技有限公司 | A kind of solar panels high reflection PET film additive manufacturing equipment and method |
| CN109625231A (en) * | 2018-11-15 | 2019-04-16 | 江苏科技大学 | A kind of wing rudder/main rudder corner is than stepless adjustable transmission device and control method |
| CN112791768A (en) * | 2021-01-05 | 2021-05-14 | 蔡一凡 | Pigment ore reducing mechanism |
-
2004
- 2004-11-24 CN CN 200420107354 patent/CN2744894Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144472A (en) * | 2017-12-04 | 2018-06-12 | 嘉善东佳新材料科技有限公司 | A kind of solar panels high reflection PET film additive manufacturing equipment and method |
| CN109625231A (en) * | 2018-11-15 | 2019-04-16 | 江苏科技大学 | A kind of wing rudder/main rudder corner is than stepless adjustable transmission device and control method |
| CN109625231B (en) * | 2018-11-15 | 2021-02-09 | 江苏科技大学 | Wing rudder and main rudder rotation angle ratio stepless adjustable transmission device and control method |
| CN112791768A (en) * | 2021-01-05 | 2021-05-14 | 蔡一凡 | Pigment ore reducing mechanism |
| CN112791768B (en) * | 2021-01-05 | 2022-07-22 | 山东六邦实业有限公司 | Pigment ore reducing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |