CN201284819Y - Driving disc group construction of continuous variable speed transmission - Google Patents
Driving disc group construction of continuous variable speed transmission Download PDFInfo
- Publication number
- CN201284819Y CN201284819Y CNU2008201293160U CN200820129316U CN201284819Y CN 201284819 Y CN201284819 Y CN 201284819Y CN U2008201293160 U CNU2008201293160 U CN U2008201293160U CN 200820129316 U CN200820129316 U CN 200820129316U CN 201284819 Y CN201284819 Y CN 201284819Y
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- CN
- China
- Prior art keywords
- lug
- drive plate
- buffer body
- continuous variable
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a drive plate group structure for a continuous variable gear change mechanism. A chute is arranged on a sliding drive plate. A lug protruding outwards is arranged on a stop plate. A sliding block is sleeved on the lug to cover the annular surface of the lug. The sliding block covering the lug slides in the axial direction in the chute. A buffer body is clamped in the annular direction between the lug and the sliding block. When the high speed of an engine is suddenly reduced to idle speed, abnormal noise is caused as a clutch is instantly separated and the lug collides with the sliding drive plate; the lug can collide with the buffer body by arranging the buffer body to consume some energy before the sliding block is driven to collide with the wall of the chute. The utility model has the advantages that the abnormal noise resulting from collision caused by the speed change can be significantly inhibited with extremely good buffer effect; the noise resulting from collision is significantly reduced; in particular, the buffer body in the form has the advantage of being manufactured easily; and as the buffer body can be manufactured easily by means of panel beating, the buffer made of metal leafspring has the advantages of good strength, low probabilities of material deterioration, material wearing or fatigue damage and the like.
Description
Technical field
The utility model relates to a kind of continuous variable transmission, refers to that especially a kind of speed gram that is applicable to reaches the drive plate set constructor of the continuous variable transmission of vehicle.
Background technique
For general vehicle,, then in this vehicle, can group be provided with a continuous variable transmission if this vehicle adopts the continuous variable speed mode to drive.
Seeing also Fig. 1 is the schematic representation of known continuous variable transmission, and the continuous variable transmission 9 in graphic comprises an inputting shaft 91, a drive plate group 92, a force-output shaft 93, a drive plate group 94, an and 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, reach Fig. 2, Fig. 2 is an exploded view of knowing a drive plate group part.Above-mentioned drive plate 921 and block dish 923 coaxial being fixedly arranged on the inputting shaft 91, block dish 923 also includes three groups of lugs 930 and the corresponding slide block 925 that is sheathed on, 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 it is that correspondence is held three slide blocks 925 respectively, 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.Shown in the arrow of Fig. 1, 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 three slide blocks 925 of block dish 923 are axial slip toward each other, and 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 continuous variable transmission 9 uses a period of time, the frictional loss that chute 926 and slide block are 925 will make that the clearance t of the two is increasing, as shown in Figure 3.So when engine 96 is reduced to low speed by high speed, during especially to idling, normal occur because of clutch (figure does not show) break away from due to drivign belt 95 tension force degrees of tightness change excessive, and causing slide block 925 to be subjected to lug 930 interlocks to strike the situation of chute 926 cell walls of sliding driving disk 922 together, therefore different sound also produces.Especially cross when low in idling, engine 96 running instabilities or torsion change are big, more normal generation the problems referred to above.
The model utility content
The purpose of this utility model provides a kind of drive plate set constructor of continuous variable transmission, this structural texture simply, because of the different sound phenomenon of the bump that rate conversion produced can be suppressed greatly, impact noise greatly lowers.
The purpose of this utility model is achieved in that the drive plate set constructor of continuous variable transmission includes a sliding driving disk, a block dish, reaches a plurality of balls.Above-mentioned block dish includes a lug and a slide block, and the slide block correspondence is sheathed on lug.Sliding driving disk is coaxial to be slidedly arranged on the inputting shaft, and the block dish is then coaxial to be fixedly arranged on the inputting shaft.
Above-mentioned sliding driving disk includes a chute, reaches a containing space, and the chute correspondence is held slide block, the corresponding block dish of containing space.Above-mentioned a plurality of ball is placed in the containing space of sliding driving disk, and is resisted against sliding driving disk and block dish respectively.The rotation of inputting shaft can impel ball with centrifugal force the pushing tow sliding driving disk, sliding driving disk is in axial sliding along inputting shaft, the chute of sliding driving disk and with the slide block slippage toward each other of block dish.
The utility model characteristic is to be folded with a buffer body between lug and the corresponding slide block on hoop.Utilize buffer body that one buffer distance is provided, make and work as car engine by reducing to low speed at a high speed, and before the cell wall of bump chute, lug can impact earlier buffer body to lug together with slide block, reduce by this lug together with the slide block practical function in the impact strength of chute cell wall and the sound that is caused.Obtaining and processing of the utility model simplicity of design and buffer body material is quite easy, and its number of assembling steps of deriving is also uncomplicated.
Above-mentioned buffer body can be a metal spring leaf or rubber body.The buffer body of metal spring leaf kenel is sandwiched between lug and the slide block bendingly, and for example buffer body can include an inner process section and be resisted against lug, perhaps is resisted against slide block.Provide a suitable buffer distance by the inner process section, the impact force of lug can be earlier absorbed by the compressed action of inner process section, and therefore above-mentioned buffer body design has the comfort cushioning effect.
Above-mentioned buffer body also can be a door-shaped body, includes a head and a foot, and wherein the head bearing is in the top of above-mentioned lug, and foot is located between lug and the slide block simultaneously.The structure of this kind door-shaped body helps making and being assembled to the lug of block dish.
The utility model has the advantages that, has splendid cushioning effect, impact noise greatly lowers, particularly the buffer body of this kind kenel has the advantage of easy making, because of it can simply be reached with the sheet metal processing mode, and with metal spring leaf as buffer body have that the good and material of intensity is rotten, advantage such as the misgivings of abrasion or fatigue damage are low.
Description of drawings
Fig. 1 is the schematic representation of known continuous variable transmission.
Fig. 2 is the exploded view of a known drive plate group part.
Fig. 3 is the sectional view of a known drive plate group part.
Fig. 4 is the exploded view of the drive plate group part of the utility model first preferred embodiment.
Fig. 5 is the phantom of Fig. 4.
Fig. 6 is the sectional view of the drive plate group part of the utility model second preferred embodiment.
Fig. 7 is the sectional view of the drive plate group part of the utility model the 3rd preferred embodiment.
The primary component symbol description
Continuous variable transmission 9 inputting shafts 91
Sliding driving disk 922 block dishes 923
Force-output shaft 93 lugs 930
Drivign belt 95 engines 96
Sliding driving disk 11 block dishes 12
Lug circumferential surface 141 lug tops 142
Inputting shaft 16 chutes 17
Door body foot 192,202 inner process sections 193,203
Embodiment
With reference to figure 4 and Fig. 5, illustrate exploded view and a part of sectional view of the drive plate group part of the utility model first preferred embodiment respectively simultaneously.One continuous variable transmission comprises a sliding driving disk group and an inputting shaft 16, and wherein the sliding driving disk group comprises a sliding driving disk 11, a block dish 12, reaches six balls 13.Block dish 12 includes that hoop is arranged and three lugs 14 of radially outward projection and corresponding to three slide blocks 15 of three lugs 14, and slide block 15 is that correspondence is sheathed on lug 14, with the circumferential surface 141 that envelopes lug 14.
And, between each group lug 14 and the corresponding slide block 15, on hoop, also be folded with a buffer body 19.In the present embodiment, buffer body 19 is the metal spring leaf of a spring steel material, and it is rough to be a body.191 bearings of door body head are in the top 142 of lug 14, and door body foot 192 includes an inner process section 193.After the actual assembled, the inner process section 193 of door body foot 192 is resisted against the circumferential surface 141 of lug 14, and remaining part then is resisted against slide block 15, and wherein inner process section 193 has determined the maximum cushioning distance of buffer function with respect to the side-play amount of remaining part.
Sliding driving disk 11 coaxial being slidedly arranged on the inputting shaft 16, block dish 12 is coaxial being fixedly arranged on the inputting shaft 16.Sliding driving disk 11 includes the containing space 18 that correspondence is held three chutes 17 of three slide blocks 15, reached corresponding block dish 12.Six balls 13 are placed in the containing space 18, and are resisted against sliding driving disk 11 and block dish 12 respectively.The rotation of inputting shaft 16 impels ball 13 to be in axial sliding along inputting shaft 16 because of centrifugal force pushing tow sliding driving disk 11, the chute 17 of sliding driving disk 11 and with slide block 15 slippage toward each other of block dish 12.
Continuous variable transmission is after permanent use, because the frictional loss that chute 17 and slide block are 15, the clearance t of the two is that the spacing of slide block outer side surface 151 and chute cell wall 171 internal surfaces can become big, when the big extremely a certain degree of clearance t, if engine carries out reducing at a high speed the conversion of low speed, this moment, lug 14 had toward the tendency of cell wall 171 bumps of chute 17 together with slide block 15.But because lug 14 and 15 of slide blocks are provided with buffer body 19, most of impact strength from lug 14 can be offseted by this buffer body 19 in advance, make lug 14 pass through clearance t together with slide block 15 and when clashing into cell wall 171 to chute 17, impact noise greatly lowers.
The buffer distance that is provided by the inner process section in the present embodiment can make above-mentioned buffer function that excellent effect is arranged, particularly the buffer body of this kind kenel has the advantage of easy making, because of it can simply be reached with the sheet metal processing mode, and with metal spring leaf as buffer body have that the good and material of intensity is rotten, advantage such as the misgivings of abrasion or fatigue damage are low.
Second of above-mentioned reed kenel buffer body is implemented aspect as shown in Figure 6, and buffer body 20 is similarly the rough reed that is a body.The 201 same bearings of door body head are in the top of lug 14, and door body foot 202 has an inner process section 203 equally.Only its difference is in after actual assembled, and the inner process section 203 of door body foot 202 is to replace at slide block 15, and remaining part then is the circumferential surface of replacing at lug 14.
The 3rd of above-mentioned reed kenel buffer body is implemented aspect as shown in Figure 7, and buffer body 21 is a rubber body, and rubber body can be born an impact strength and is out of shape compression on hoop, therefore can reach the effect that reduces different sound equally.
Claims (6)
1. the drive plate set constructor of a continuous variable transmission, comprise a sliding driving disk, one block dish, and a plurality of balls, this block dish comprises a lug and a slide block, this slide block correspondence is sheathed on this lug, this sliding driving disk is coaxial to be slidedly arranged on the inputting shaft, this block dish is coaxial being fixedly arranged on this inputting shaft, this sliding driving disk comprises a chute, and it is that correspondence is held this slide block, and a containing space its be to should the block dish, these a plurality of balls are placed in this containing space and are resisted against this sliding driving disk and this block dish respectively, 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, this chute of this sliding driving disk and with the slide block slippage toward each other of this block dish;
It is characterized in that:
Be folded with a buffer body on the hoop between this lug and the corresponding slide block.
2. the drive plate set constructor of continuous variable transmission according to claim 1 is characterized in that this buffer body is a reed.
3. the drive plate set constructor of continuous variable transmission according to claim 2 is characterized in that this buffer body includes inner process section system and is resisted against this lug.
4. the drive plate set constructor of continuous variable transmission according to claim 2 is characterized in that this buffer body includes inner process section system and is resisted against this slide block.
5. the drive plate set constructor of continuous variable transmission according to claim 1 is characterized in that this buffer body is a door-shaped body, includes a head and a foot, and this head bearing is in the top of this lug, and this foot is located between this lug and this slide block simultaneously.
6. the drive plate set constructor of continuous variable transmission according to claim 1 is characterized in that this buffer body is a rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201293160U CN201284819Y (en) | 2008-07-31 | 2008-07-31 | Driving disc group construction of continuous variable speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201293160U CN201284819Y (en) | 2008-07-31 | 2008-07-31 | Driving disc group construction of continuous variable speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284819Y true CN201284819Y (en) | 2009-08-05 |
Family
ID=40949804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201293160U Expired - Fee Related CN201284819Y (en) | 2008-07-31 | 2008-07-31 | Driving disc group construction of continuous variable speed transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284819Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11835133B2 (en) | 2018-08-01 | 2023-12-05 | Vitesco Technologies GmbH | Variable spacing flange pulley for variable-speed drive |
-
2008
- 2008-07-31 CN CNU2008201293160U patent/CN201284819Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11835133B2 (en) | 2018-08-01 | 2023-12-05 | Vitesco Technologies GmbH | Variable spacing flange pulley for variable-speed drive |
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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: 20090805 Termination date: 20130731 |