CN201078446Y - Non-section speed change mechanism - Google Patents
Non-section speed change mechanism Download PDFInfo
- Publication number
- CN201078446Y CN201078446Y CNU200720128604XU CN200720128604U CN201078446Y CN 201078446 Y CN201078446 Y CN 201078446Y CN U200720128604X U CNU200720128604X U CN U200720128604XU CN 200720128604 U CN200720128604 U CN 200720128604U CN 201078446 Y CN201078446 Y CN 201078446Y
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- China
- Prior art keywords
- drive plate
- sliding driving
- abrasion
- driving disk
- salient point
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Abstract
The utility model relates to a stepless variable speed mechanism. An abrasion salient point is arranged on a sliding block of a stopping disc of a driving disc pack, correspondingly propping on an arresting disc of a sliding driving disc, and arranging a radial clearance between a plurality of balls and the internal ring surface of the sliding driving disc. Therefore, when a transmission belt is worn after long term usage, the abrasion salient point is also abraded at the same time, and the preset clearance is reduced with the abrasion of the abrasion salient point, and then, the sliding driving disc can be pushed by the balls with the help of the centrifugal force to axially slip along an energizing shaft to absorb the abrasion of the transmission belt, namely the stepless speed variator can maintain the highest speed even after the transmission belt is abraded, so that the great oil consumption, large noise and the other problems can be prevented, and the problem that the failure probability in relation to the greatly increase of the rotary speed of a vehicle engine can be avoided.
Description
Technical field
The utility model is about a kind of continuous variable transmission, refers to a kind of continuous variable transmission that is applicable to vehicle especially.
Background technique
For general vehicle,, then in this vehicle, can group be provided with a stepless transmission if this vehicle adopts the continuous variable speed mode to drive.
See also the sectional view of known stepless transmission shown in Figure 1, the stepless transmission 9 in graphic comprises an inputting shaft 91, a drive plate group 92, a force-output shaft 93, a drive plate group 94, reaches a drivign belt 95.
Wherein, drivign belt 95 is surrounded on drive plate group 92 and this drive plate group 94, drive plate group 92 comprises a drive plate 921, a sliding driving disk 922, a block dish 923, reaches a plurality of balls 924, and drive plate group 94 comprises a drive plate 941, a slip drive plate 942, reaches a drive plate spring 943.
Please consult Fig. 1 simultaneously, and the exploded view of known drive plate group major component shown in Figure 2, above-mentioned drive plate 921 and block dish 923 coaxial being fixedly arranged on the inputting shaft 91, block dish 923 also comprises three slide blocks 925, sliding driving disk 922 is between drive plate 921 and block dish 923 and coaxial being slidedly arranged on the inputting shaft 91, sliding driving disk 922 also comprises three chutes 926, its respectively correspondence hold three slide blocks 925, and sliding driving disk 922 and comprise a containing space 927, these containing space 927 corresponding block dishes 923 are placed in containing space 927 interior sliding driving disk 922 and the block dishes 923 of also being resisted against respectively as for 924 on a plurality of balls.
In addition, drive plate 941 coaxial being fixedly arranged on the force-output shaft 93, slip drive plate 942 coaxial being slidedly arranged on the force-output shaft 93, inputting shaft 91 is coupled to a car engine 96.
Therefore, inputting shaft 91 can be passed to force-output shaft 93 via drivign belt 95 in the continuous variable speed mode with the rotating power of car engine 96, and the rotation of inputting shaft 91 impels a plurality of balls 924, and pushing tow sliding driving disk 922 is in axial sliding along inputting shaft 91 with its centrifugal force, three chutes 926 of sliding driving disk 922 and with three slide block 925 slippages toward each other of block dish 923, pushing tow slip drive plate 942 is in axial sliding along force-output shaft 93 drive plate spring 943 with its elastic force.
Yet, after stepless transmission 9 uses a period of time, its drivign belt 95 can produce wearing and tearing, at this moment, drivign belt 95 can make its height that is surrounded on drive plate group 92 and drive plate group 94 change (shown in the dotted line that Fig. 1 numbers A) because of wearing and tearing, that is the radius that drivign belt 95 is surrounded on drive plate group 92 and drive plate group 94 will change, and so-called continuous variable speed promptly is to utilize drivign belt 95 to be surrounded on drive plate group 92 to reach with the change in radius of drive plate group 94, so the wearing and tearing of drivign belt 95 can make the drive plate group 92 and the velocity ratio of drive plate group 94 change relatively.
As mentioned above, the result of drivign belt 95 wearing and tearing will cause reducing the most at a high speed of stepless transmission 9, that is vehicle can't reach state the most at a high speed, so can make problems such as vehicle generation oil consumption is not good, noise is big.Moreover when car engine 96 is positioned at aforementionedly during because of the most at a high speed the position after drivign belt 95 wearing and tearing, car engine 96 can significantly promote at the rotating speed of this position, and its result will cause car engine 96 fault probability to heighten.
The model utility content
The purpose of this utility model is to provide a kind of continuous variable transmission, can overcome the influence of the abrasion of drivign belt after permanent the use, makes stepless transmission still can keep the most at a high speed state after the drivign belt abrasion, to avoid problems such as oil consumption is not good, noise is big.
The utility model adopts as detailed below feature with in order to address the above problem basically.
Continuous variable transmission of the present utility model comprises a stepless transmission, and this stepless transmission comprises an inputting shaft, a drive plate group, a force-output shaft, a drive plate group and a drivign belt.
Wherein, drivign belt is surrounded on drive plate group and drive plate group, and the drive plate group comprises a drive plate, a sliding driving disk, a block dish and a plurality of ball, and the drive plate group comprises a drive plate, a slip drive plate and a drive plate spring.
The drive plate of above-mentioned drive plate group is fixedly arranged on the inputting shaft with the block dish is coaxial, the block dish also comprises at least one slide block, sliding driving disk is between drive plate and block dish and coaxial being slidedly arranged on the inputting shaft, sliding driving disk also comprises at least one chute, its correspondence is held at least one slide block, sliding driving disk also comprises a containing space, and its corresponding block dish, a plurality of balls are placed in the containing space and are resisted against sliding driving disk and block dish respectively.
In addition, the drive plate of above-mentioned drive plate group is coaxial to be fixedly arranged on the force-output shaft, and the slip drive plate is coaxial to be slidedly arranged on the force-output shaft, and inputting shaft is coupled to a car engine.
Therefore, inputting shaft can be passed to force-output shaft via drivign belt in the continuous variable speed mode with the rotating power of car engine, and the rotation of inputting shaft impels a plurality of balls, and the pushing tow sliding driving disk is in axial sliding along inputting shaft with its centrifugal force, at least one chute of sliding driving disk and with at least one slide block slippage toward each other of block dish, pushing tow slip drive plate is in axial sliding along force-output shaft the drive plate spring with its elastic force.
Characteristic of the present utility model is the containing space of sliding driving disk and comprises an inner ring surface, and sliding driving disk and group are provided with an arresting disc, at least one slide block also convexes with at least one abrasion salient point, and its correspondence is resisted against arresting disc and makes spaced radial one gap between a plurality of balls and the inner ring surface.
Therefore, design by the abrasion salient point, a plurality of balls can and the sliding driving disk inner ring surface between radially reserve a gap, when drivign belt after permanent the use and produce when wearing away, the abrasion salient point also can produce abrasion simultaneously, and at this moment, the gap of being reserved can be reduced because of the abrasion of abrasion salient point, can make a plurality of balls can continue the pushing tow sliding driving disk more relatively and be in axial sliding, use the abrasion that absorb drivign belt along inputting shaft by centrifugal force.
The utility model has the advantages that, said structure can overcome the influence of the abrasion of drivign belt after permanent the use, make stepless transmission after drivign belt abrasion, still can keep the most at a high speed state, avoiding problems such as oil consumption is not good, noise is big, and can avoid the car engine rotating speed significantly to promote and the problem that causes the fault probability to heighten.
Above-mentioned abrasion salient point can be triangular in shape, conical, semicircle or other shape etc.Same, the quantity of abrasion salient point can be two, three, four or other quantity etc.
In addition, the abrasion salient point can be plastic cement material, rubber material or other material that can wear away etc.
Description of drawings
Fig. 1 is the sectional view of known stepless transmission;
Fig. 2 is the exploded view of known drive plate group major component;
Fig. 3 is the sectional view of the stepless transmission of the utility model first preferred embodiment;
Fig. 4 is the exploded view of the drive plate group major component of the utility model first preferred embodiment;
Fig. 5 is the sectional view after the stepless transmission of the utility model first preferred embodiment wears away;
Fig. 6 is the stereogram of the slide block of the utility model second preferred embodiment;
Fig. 7 is the stereogram of the slide block of the utility model the 3rd preferred embodiment;
Fig. 8 is the stereogram of the slide block of the utility model the 4th preferred embodiment.
Symbol description
Stepless transmission 1 inputting shaft 2 drive plate groups 3
Screw 324 block dishes 33 lugs 330
Abrasion salient point 334 abrasion salient points 335 slide blocks 336
Force-output shaft 4 drive plate groups 5 drive plates 51
Embodiment
Please consult sectional view, and the exploded view of the drive plate group major component of the utility model first preferred embodiment shown in Figure 4 of the stepless transmission of the utility model first preferred embodiment shown in Figure 3 simultaneously, wherein show a stepless transmission 1, and this stepless transmission 1 comprises an inputting shaft 2, a drive plate group 3, a force-output shaft 4, a drive plate group 5 and a drivign belt 6.
The drive plate 31 of above-mentioned drive plate group 3 also comprises at least one slide block 331 with block dish 33 coaxial being fixedly arranged on the inputting shaft 2, block dish 33, and block dish 33 outwards convexes with at least one lug 330, and this at least one slide block 331 is sheathed on this at least one lug 330.In the present embodiment, block dish 33 comprises three slide blocks 331, and block dish 33 outwards convexes with three lugs 330, and three slide blocks 331 are sheathed on respectively on three lugs 330.
In addition, the sliding driving disk 32 of drive plate group 3 between drive plate 31 and block dish 33, and coaxial being slidedly arranged on the inputting shaft 2, and the sliding driving disk 32 of drive plate group 3 also comprises three chutes 321, each chute 321 correspondence is held a slide block 331, simultaneously, the sliding driving disk 32 of drive plate group 3 also comprises a containing space 320, and these containing space 320 corresponding block dishes 33, a plurality of balls 34 then are placed in the containing space 320, and be resisted against sliding driving disk 32 and block dish 33 respectively.
In addition, drive plate 51 coaxial being fixedly arranged on the force-output shaft 4 of drive plate group 5, slip drive plate 52 coaxial being slidedly arranged on the force-output shaft 4 of drive plate group 5, inputting shaft 2 then is coupled to a car engine 7.
Therefore, after car engine 7 entrys into service, inputting shaft 2 can be passed to force-output shaft 4 via drivign belt 6 in the continuous variable speed mode with the rotating power of car engine 7, and the rotation of inputting shaft 2 impels a plurality of balls 34, and pushing tow sliding driving disk 32 is in axial sliding along inputting shaft 2 with its centrifugal force, three chutes 321 of sliding driving disk 32 in this moment and respectively with three slide block 331 slippages toward each other of block dish 33, pushing tow slip drive plate 52 is in axial sliding along force-output shaft 4 and drive plate spring 53 is with its elastic force.
The containing space 320 of the sliding driving disk 32 of above-mentioned drive plate group 3 also comprises an inner ring surface 323, and the sliding driving disk 32 and the group of drive plate group 3 are provided with an arresting disc 322, and each slide block 331 also convexes with an abrasion salient point 332 respectively, and its correspondence is resisted against arresting disc 322 and makes spaced radial one clearance t (as shown in Figure 3) between a plurality of balls 34 and the inner ring surface 323.
In the present embodiment, arresting disc 322 locks with a plurality of screws 324 and is mounted on the sliding driving disk 32, and abrasion salient point 332 be plastic cement material, and it is triangular in shape to wear away salient point 332.
Please consult Fig. 3 simultaneously, Fig. 4, and the sectional view after the abrasion of the stepless transmission of the utility model first preferred embodiment shown in Figure 5, stepless transmission 1 is after permanent the use, drivign belt 6 can produce abrasion, so being surrounded on the height of drive plate group 3 and drive plate group 5, drivign belt 6 promptly can change, at this moment, abrasion salient point 332 on the slide block 33 1 also can produce abrasion (as shown in Figure 5) simultaneously, and because after 332 abrasion of abrasion salient point, between the inner ring surface 323 of a plurality of balls 34 and sliding driving disk 32 radially clearance t at interval then can reduce (as shown in Figure 5) because of the abrasion of abrasion salient point 332, therefore, can make a plurality of balls 34 increase relatively in radially displacement distance, that is a plurality of balls 34 can continue pushing tow sliding driving disk 32 again by centrifugal force and be in axial sliding along inputting shaft 2, so can absorb the abrasion of drivign belt 6.
Therefore, by abrasion salient point 332, with the inner ring surface 323 that wears away salient point 332 a plurality of balls 34 and the sliding driving disk 32 of making between the design of spaced radial one clearance t, can overcome the influence of the abrasion of drivign belt 6 after permanent the use, make stepless transmission 1 after drivign belt 6 abrasion, still can keep the most at a high speed state, so can avoid problems such as oil consumption is not good, noise is big, and can avoid car engine 7 rotating speeds significantly to promote and the problem that causes the fault probability to heighten.
See also the stereogram of the slide block of the utility model second preferred embodiment shown in Figure 6, wherein show to convex with two abrasion salient points 333 on the slide block 336, and this two abrasion salient point 333 is triangular in shape respectively and be respectively the rubber material.
See also the stereogram of the slide block of the utility model the 3rd preferred embodiment shown in Figure 7, wherein show to convex with an abrasion salient point 334 on the slide block 337, and this abrasion salient point 334 is conical.
See also the stereogram of the slide block of the utility model the 4th preferred embodiment shown in Figure 8, wherein show to convex with an abrasion salient point 335 on the slide block 338, and these abrasion salient point 335 semicirculars in shape.
Above-mentioned second, third, can reach the described various effects of first preferred embodiment equally with the 4th preferred embodiment, and from the above, the abrasion salient point can be triangular in shape, conical, semicircle or other shape etc.Same, the quantity of abrasion salient point can be two, three, four or other quantity etc.Wear away salient point again and can be plastic cement material, rubber material or other material that can wear away etc.
Claims (10)
1. continuous variable transmission comprises:
One stepless transmission, comprise an inputting shaft, one drive plate group, one force-output shaft, one drive plate group, an and drivign belt, wherein, this drivign belt is surrounded on this drive plate group and this drive plate group, this drive plate group comprises a drive plate, one sliding driving disk, one block dish, and a plurality of balls, this drive plate group comprises a drive plate, one slip drive plate, an and drive plate spring, this drive plate is fixedly arranged on this inputting shaft with this block dish is coaxial, this block dish also comprises at least one slide block, this sliding driving disk is between this drive plate and this block dish and coaxial being slidedly arranged on this inputting shaft, this sliding driving disk also comprises at least one chute, its correspondence is held this at least one slide block, this sliding driving disk also comprises a containing space, it is to should the block dish, these balls are placed in this containing space and are resisted against this sliding driving disk and this block dish respectively, this drive plate is coaxial to be fixedly arranged on this force-output shaft, this slip drive plate is coaxial to be slidedly arranged on this force-output shaft, this inputting shaft is coupled to a car engine, and the rotating power of this car engine is passed to this force-output shaft via this drivign belt in the continuous variable speed mode, and the rotation of this inputting shaft impels these balls, and this sliding driving disk of pushing tow is in axial sliding along this inputting shaft with its centrifugal force, at least one chute of this of this sliding driving disk and with this at least one slide block slippage toward each other of this block dish, pushing tow should be in axial sliding along this force-output shaft by the slip drive plate this drive plate spring with its elastic force;
It is characterized in that:
This containing space of this sliding driving disk also comprises an inner ring surface, and this sliding driving disk and group are provided with an arresting disc, this at least one slide block also convexes with at least one abrasion salient point, its correspondence be resisted against this arresting disc and make these balls and this inner ring surface between spaced radial one gap.
2. continuous variable transmission according to claim 1 is characterized in that this at least one abrasion salient point is triangular in shape.
3. continuous variable transmission according to claim 1 is characterized in that this at least one abrasion salient point is conical.
4. continuous variable transmission according to claim 1 is characterized in that this at least one abrasion salient point semicircular in shape.
5. continuous variable transmission according to claim 1, the quantity that it is characterized in that this at least one abrasion salient point is two
6. continuous variable transmission according to claim 1 is characterized in that this at least one abrasion salient point is a plastic cement material.
7. continuous variable transmission according to claim 1 is characterized in that this at least one abrasion salient point is the rubber material.
8. continuous variable transmission according to claim 1 is characterized in that this block dish outwards convexes with at least one lug, and this at least one slide block set is located at this at least one lug.
9. continuous variable transmission according to claim 8, the quantity that it is characterized in that this at least one lug is three, the quantity of this at least one slide block also is three, and is sheathed on these lugs respectively.
10. continuous variable transmission according to claim 1 is characterized in that this arresting disc locks with a plurality of screws to be mounted on this sliding driving disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720128604XU CN201078446Y (en) | 2007-08-31 | 2007-08-31 | Non-section speed change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720128604XU CN201078446Y (en) | 2007-08-31 | 2007-08-31 | Non-section speed change mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078446Y true CN201078446Y (en) | 2008-06-25 |
Family
ID=39570508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720128604XU Expired - Fee Related CN201078446Y (en) | 2007-08-31 | 2007-08-31 | Non-section speed change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078446Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691987A (en) * | 2017-04-10 | 2018-10-23 | 吴万章 | High-speed stepless transmission Puli's disk group |
-
2007
- 2007-08-31 CN CNU200720128604XU patent/CN201078446Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691987A (en) * | 2017-04-10 | 2018-10-23 | 吴万章 | High-speed stepless transmission Puli's disk group |
| CN108691987B (en) * | 2017-04-10 | 2020-08-04 | 吴万章 | High speed stepless transmission pulley disc set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20120831 |