CN2153677Y - Self-changing radius chain wheel for infinitely automatic variable speed gear - Google Patents
Self-changing radius chain wheel for infinitely automatic variable speed gear Download PDFInfo
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- CN2153677Y CN2153677Y CN 93205513 CN93205513U CN2153677Y CN 2153677 Y CN2153677 Y CN 2153677Y CN 93205513 CN93205513 CN 93205513 CN 93205513 U CN93205513 U CN 93205513U CN 2153677 Y CN2153677 Y CN 2153677Y
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Abstract
The utility model provides a self-changing radius chain wheel for an infinitely automatic variable speed gear, which can realize infinitely automatic variable speed following the variation of load. The self-changing radius chain wheel for an infinitely automatic variable speed gear is composed of a left straight groove disk, a right straight groove disk, a left curved groove disk, a right curved groove disk, more than three pressing combined clutch sprocket gears, more than two supporting shaft, a chain wheel shaft, a left tension spring, and a right tension spring, wherein, the left and the right straight groove disks are respectively provided with more than five radical straight grooves; the left and the right curved groove disks are respectively provided with more than five involute-shaped curved grooves, and the involute-shaped curved grooves are arranged in a clockwise direction; each pressing combined clutch sprocket gear is composed of a sprocket gear shaft, a pressing combined overrunning clutch, and a sprocket ring.
Description
The utility model belongs to chain-driven unit parts, particularly self diameter-changing chain wheel for stepless automatic variable-speed device.
Chinese patent 87107064.2(publication number CN1032699A) a kind of stepless self-varying diameter chain type transmission device has been proposed, the sprocket wheel of this device has six little chain gear, a positioning disk and two curve slotted disks, have six straight troughs and four tooth bars on the positioning disk, have six curvilinear grooves on the curve slotted disk, six chainlet gears are contained in the intersection point place of six straight troughs and six curvilinear grooves respectively, this intersection point moves radially with relative angular displacement between positioning disk and the curve slotted disk, four in six little chain gear are meshed with four toothed rack respectively, the curve slotted disk is fixedlyed connected with sprocket shaft, and positioning disk and sprocket shaft are rotationally connected.Owing to four little chain gear and the engagement of four toothed rack, when six chainlet gears are desired to move radially with the curvilinear groove intersection point with straight trough, and the chord length between two adjacent chainlet gears of tooth bar engagement will change, and the length of this section chain is constant, this will cause little chain gear can't move radially at all, and except chord length was the chain pitch integral multiple, the sprocket of little chain gear can not correctly insert in the chain knothole at all, promptly can't realize stepless automatic transmission.
The purpose of this utility model provides a kind of self diameter-changing chain wheel for stepless automatic variable-speed device that can realize normal, steady stepless automatic transmission with load variations.
The utility model is made up of left straight groove disk, right straight flute plate, left cranked slot disk, right curved groove disk, three above pressure-formed clutch sprockets, two above back shafts, sprocket shaft and left and right extension springs.Respectively has the radially straight trough more than five on the left and right straight flute plate; Respectively have five above clockwise direction involute shape curvilinear grooves on the left and right curved groove disk; Three above pressure-formed clutch sprockets are made up of chain gear shaft, pressing formed type free wheel device and chain gear ring.The pressing formed type free wheel device is between chain gear shaft and chain gear ring; Chain gear shaft more than three and the back shaft more than two are installed on five above curvilinear grooves of five above straight troughs of left and right straight flute plate and left and right curved groove disk, and constitute and can constitute along being slidingly connected of moving of curvilinear groove with relative to being rotationally connected that curvilinear groove rotates along being slidingly connected of moving of straight trough with curvilinear groove with straight trough; Left and right straight trough circles or whirl in the air to overlap and is installed on the sprocket shaft, and left and right curved groove disk is fixedly mounted on the sprocket shaft and is positioned at the outside of left and right straight flute plate, and the two ends of sprocket shaft are installed on the bearing; Left and right extension spring is installed in respectively between left straight groove disk periphery and left cranked slot disk periphery and right straight flute plate periphery and the right curved groove disk periphery.
Because the utility model is made up of left straight groove disk, right straight flute plate, left cranked slot disk, right curved groove disk, three above pressure-formed clutch sprockets, two above back shafts, sprocket shaft and left and right extension springs.Respectively has the radially straight trough more than five on the left and right straight flute plate; Respectively have five above clockwise direction involute shape curvilinear grooves on the left and right curved groove disk; Three above pressure-formed clutch sprockets are made up of chain gear shaft, pressing formed type free wheel device and chain gear ring.The pressing formed type free wheel device is between chain gear shaft and chain gear ring; Chain gear shaft more than three and the back shaft more than two are installed on five above curvilinear grooves of five above straight troughs of left and right straight flute plate and left and right curved groove disk, and constitute and can constitute along being slidingly connected of moving of curvilinear groove with relative to being rotationally connected that curvilinear groove rotates along being slidingly connected of moving of straight trough with curvilinear groove with straight trough; Left and right straight trough circles or whirl in the air to overlap and is installed on the sprocket shaft, and left and right curved groove disk is fixedly mounted on the sprocket shaft and is positioned at the outside of left and right straight flute plate, and the two ends of sprocket shaft are installed on the bearing; Left and right extension spring is installed in respectively between left rich slotted disk periphery and left cranked slot disk periphery and left straight groove disk periphery and the right curved groove disk periphery.When moment when sprocket shaft is imported, sprocket shaft at first drives a left side, right curved groove disk overcomes a left side, the pulling force of right extension spring rotates toward the clockwise direction, left relatively, right straight flute plate produces angular displacement, the space intersection point of straight trough and curvilinear groove moves to core along straight trough, and drive three above pressure-formed clutch sprockets and two the above back shafts be positioned at intersection point place, space and also move to core thereupon, self diameter-changing sprocket's equivalent diameter is dwindled, equal a left side until input torque, when right extension spring produces the load moment of pulling force, pressure-formed clutch sprocket and back shaft stop to move, a left side, right straight flute plate, three above pressure-formed clutch sprockets and two above back shafts are with a left side, right curved groove disk rotates together toward the clockwise direction, clockwise rotate synchronously through pressing formed type free wheel device and chain gear shaft under chain pressure with the chain gear ring of the pressure-formed clutch sprocket of chain engages, moment is exported through chain gear ring and chain, with chain engages before the chain gear ring of moment can freely rotate relative to chain gear shaft is two-way, the sprocket of chain gear ring is inserted in the chain knothole exactly, when load moment diminishes, it is to a left side, the pulling force that right extension spring produces also diminishes, thereby make a left side, right curve slotted disk is with respect to a left side, angular displacement between the right straight flute plate has the trend that reduces, the space intersection point of straight trough and curvilinear groove moves to leaving the core direction, and three pressure-formed clutch sprockets and two above back shafts that drive is positioned on the intersection point of space also move to the direction of leaving core thereupon, self diameter-changing sprocket's equivalent diameter is increased, the chain gear ring clockwise direction of the pressure-formed clutch sprocket of pilled-in selvedge side surmounts chain gear shaft in the chain angle simultaneously, chain length in the cornerite is increased, the increase of chord length between the adjacent pressure-formed clutch sprocket that produces to adapt to the increase of self diameter-changing sprocket's equivalent diameter.Finish with load variations and realize normal, steady stepless automatic transmission, thereby reach the purpose of this utility model.
Fig. 1 is the utility model radial section structural representation.
Fig. 2 is an A-A sectional drawing among Fig. 1.
Fig. 3 is a B-B sectional drawing among Fig. 1.
Fig. 4 is a C-C sectional drawing among Fig. 3.
Fig. 5 is a D-D sectional drawing among Fig. 1.
Fig. 6 is an E-E sectional drawing among Fig. 5.
Fig. 7 is infinitely variable speed device of the present utility model for drive sprocket set adopts.
Fig. 8 adopts infinitely variable speed device of the present utility model for passive chain wheel set.
Fig. 9 is the master, is all adopted infinitely variable speed device of the present utility model by chain wheel set.
Below in conjunction with accompanying drawing the utility model is further elaborated.
The utility model is made up of left straight groove disk 1, right straight flute plate 2, left cranked slot disk 3, right crank slot 4, three above pressure-formed clutch sprockets 5, two above back shafts 6, sprocket shaft 7, Zola's spring 8 and Zola's springs 9, respectively has the radially straight trough 11,21 more than five on the left and right straight flute plate 1,2; Respectively have five above clockwise direction involute shape curvilinear grooves 31,41 on the left and right curved groove disk 3,4; Three above pressure-formed clutch sprockets 5 are made up of chain gear shaft 51, pressing worker free wheel device 52 and chain gear ring 53.Has the rectangle shaft shoulder 511,512 and 513 on the chain gear shaft 51.Pressing formed type free wheel device 52 is between chain gear shaft 51 and chain gear ring 53, it is by clutch 521, ratchet nested 522, two ratchets 523, two ratchet leaf springs 524, a Returnning spring 525 and a left side, right lid 526 is formed, clutch sleeve 521 has middle font center hole 5211, the rectangle shaft shoulder 512 of chain gear shaft 51 places in the font center hole 5211, clutch sleeve 521 can move radially along the long limit relative moment oblique crank Z shoulder 512 of the rectangle shaft shoulder 512, ratchet nested 522 is enclosed within outside the clutch sleeve 521, ratchet 523 is installed on the ratchet nested 522 and pulls spring 524 middle parts with ratchet and is connected, ratchet is pulled the side that spring 524 1 ends are fixed on the rectangle shaft shoulder 512, the other end is fixed on the inboard of the middle font center hole 5211 of clutch sleeve 521, Returnning spring 525 places between the top of the clutch sleeve 521 and the rectangle shaft shoulder 512, chain gear ring 53 have in interior week can with the ratchet 531 of ratchet 523 engagement; 511,513 and two the rectangle shaft shoulders 61,63 with back shaft 6 of the rectangle shaft shoulder that have the rectangle shaft shoulder 61,63 and 62, three above chain gear shafts 51 of rectangle arc apical axis shoulder on two on the above back shaft 6 are installed in the straight trough 11,21 on the left and right straight flute plate 1,2 and can move along straight trough 11,21; The two ends of three above chain gear shafts 51 and two above back shafts 6 are installed in the curvilinear groove 31,41 on the left and right curved groove disk 3,4 and can move and rotate to it along curvilinear groove 31,41, left and right straight flute plate 1,2 empty covers are installed on the sprocket shaft 7, left and right curved groove disk 3,4 is fixedly mounted on the sprocket shaft 7 and is positioned at the outside of left and right straight flute plate 1,2, the two ends of sprocket shaft 7 are installed on the support 10, Zola's spring 8 is installed between left straight groove disk 1 periphery and left cranked slot disk 3 peripheries, and right extension spring 9 is installed between right straight flute plate 2 peripheries and right curved groove disk 4 peripheries.
Infinitely variable speed device A shown in Figure 7 by from reducing drive sprocket A1, commonly formed by movable sprocket A2, chain A3 and tension sprocket A4;
Infinitely variable speed device B shown in Figure 8 is by common drive sprocket B1, formed by movable sprocket B2, chain B3 and tension sprocket B4 from reducing;
Infinitely variable speed device C shown in Figure 9 is by from reducing drive sprocket C1, formed by movable sprocket C2, chain C3 from reducing.
The utility model also is applicable to multiaxis series multistage infinitely variable speed device, also is applicable to coaxial and the many groups of axle infinitely variable speed device.
When the utility model as by movable sprocket being ground, the installation direction of the installation direction of the pressure-formed clutch sprocket on it with as drive sprocket the time is opposite.
Of the present utility model during as drive sprocket, moment is from sprocket shaft 7 inputs, sprocket shaft 7 at first drives a left side, right curved groove disk 3,4 overcome a left side, right extension spring 8,9 pulling force rotates toward the clockwise direction, left relatively, right straight flute plate 1,2 produce angular displacement, straight flute plate 1,2 with curved groove disk 3,4 space intersection point is along straight trough 11,21 move to core, and drive three above pressure-formed clutch sprockets 5 and two the above back shafts 6 be positioned at intersection point place, space and also move to core thereupon, self diameter-changing sprocket's equivalent diameter is dwindled, equal a left side until input torque, right extension spring 8,9 produce the load moment of pulling force, pressure-formed clutch sprocket 5 and back shaft 6 stop to move, and with a left side, right straight flute plate 1,2 together with a left side, right curved groove disk 3,4 rotate toward the clockwise direction, clutch sleeve 521 compression reseting springs 525 that promote pressing formed type free wheel device 52 with the chain gear ring 53 of the pressure-formed clutch sprocket 5 of chain engages under the pressure of chain move radially and compress ratchet leaf spring 524 along the long limit relative moment oblique crank Z shoulder 512 of the rectangle shaft shoulder 512 of chain gear shaft 51, make with its ratchet 523 of being connected of middle part to overhanging and be stuck on the ratchet 531 all in the chain gear ring 53,52 combinations of pressing formed type free wheel device, make chain gear ring 53 with chain gear shaft 51 with a left side, right straight flute plate 1,2 left sides, right curved groove disk 3,4 rotate toward the clockwise direction, with the chain output of moment footpath, with chain engages before during moment, chain gear ring 53 can freely rotate relative to the defeated axle of sprocket 51 is two-way, the sprocket of chain gear ring 53 is accurately inserted in the chain knothole, when load moment diminishes, it is to a left side, right extension spring 8,9 pulling force that produce also diminish, thereby make a left side, right curved groove disk 3,4 with left, right straight flute plate 1, angular displacement between 2 reduces, straight trough 11,21 with curvilinear groove 31,41 space intersection point drives position pressure-formed clutch sprocket and back shaft thereon and moves to leaving the core direction together, self diameter-changing sprocket's equivalent diameter is increased, chain gear ring 53 clockwise directions of the pressure-formed clutch sprocket 5 of pilled-in selvedge side surmount chain gear shaft 51 in the chain cornerite simultaneously, make chain length growth in the cornerite, the increase of chord length between the adjacent pressure-formed clutch sprocket 5 that produces to adapt to the increase of self diameter-changing sprocket's equivalent diameter.
The utility model is as by movable sprocket the time, the installation direction of the pressure-formed clutch sprocket on it is reversed 180 °, moment is from 53 inputs of chain gear ring, and nationality helps the pressure of chain to make 52 combinations of pressing formed type free wheel device, making chain gear ring 53 drive chain gear shaft 51 clockwise rotates together, and make a left side, right straight flute plate 1,2 overcome a left side, right extension spring 8,9 pulling force rotates towards the up time direction, left relatively, right curved groove disk 3,4 produce angular displacement, straight flute plate 1,2 with curved groove disk 3,4 space intersection point is along straight trough 11,21 move to the direction of leaving dish, and drive pressure-formed clutch sprocket 5 and the back shaft 6 be positioned at intersection point place, space and also move to leaving the core direction thereupon, self diameter-changing sprocket's equivalent diameter is increased, equal a left side until input torque, right extension spring 8, the 9 load moments that produce, pressure-formed clutch sprocket 5 and support 6 stop to move, and with a left side, right curved groove disk 3,4 together with a left side, right straight flute plate 1,2 rotate toward the clockwise direction, and moment is exported from sprocket shaft 7, when load moment diminishes, it is to a left side, button extension spring 8,9 pulling force also diminishes, thereby make straight flute plate 1,2 with curved groove disk 3, angular displacement between 4 reduces, straight flute plate 1,2 with curved groove disk 3,4 space intersection point is along straight trough 11,21 move to the core direction, and drive pressure-formed clutch sprocket 5 and the back shaft 6 be positioned at intersection point place, space and also move to the core direction thereupon, self diameter-changing sprocket's equivalent diameter is dwindled, chain gear shaft 51 clockwise directions of the pressure-formed clutch sprocket 5 of pilled-in selvedge side surmount chain gear ring 53 in the chain cornerite simultaneously, cause chain shorten length in the cornerite, the shortening of chord length between the adjacent pressure-formed clutch sprocket 5 that produces to adapt to that self diameter-changing sprocket's equivalent diameter is dwindled.
Claims (2)
1, a kind of self diameter-changing chain wheel for stepless automatic variable-speed device is characterized in that it is made up of left straight groove disk, right straight flute plate, left cranked slot disk, right curved groove disk, three above pressure-formed clutch sprockets, two above back shafts, sprocket shaft and left and right extension springs.Respectively has the radially straight trough more than five on the left and right straight flute plate; Respectively have five above clockwise direction involute shape curvilinear grooves on the left and right curved groove disk; Three above pressure-formed clutch sprockets are made up of chain gear shaft, pressing formed type free wheel device and chain gear ring; The pressing formed type free wheel device is between chain gear shaft and chain gear ring; Chain gear shaft more than three and the back shaft more than two are installed on five above curvilinear grooves of five above straight troughs of left and right straight flute plate and left and right curved groove disk, and constitute and can constitute along being slidingly connected of moving of curvilinear groove with relative to being rotationally connected that curvilinear groove rotates along being slidingly connected of moving of straight trough with curvilinear groove with straight trough; Left and right straight trough circles or whirl in the air to overlap and is installed on the sprocket shaft, and left and right curved groove disk is fixedly mounted on the sprocket shaft and is positioned at the outside of left and right straight flute plate, and the two ends of sprocket shaft are installed on the bearing; Left and right extension spring is installed in respectively between left straight groove disk periphery and left cranked slot disk periphery and right straight flute plate periphery and the right curved groove disk periphery.
2, self diameter-changing chain wheel for stepless automatic variable-speed device according to claim 1, the pressing formed type free wheel device that it is characterized in that described pressure-formed clutch sprocket is by clutch sleeve, ratchet is nested, two ratchets, two ratchet leaf springs, a Returnning spring and a left side, right lid is formed, clutch sleeve has middle font center hole, the rectangle shaft shoulder of chain gear shaft places in the font center hole, clutch sleeve can move radially along the long limit relative moment oblique crank Z shoulder of the rectangle shaft shoulder, ratchet is nested to be enclosed within outside the clutch sleeve, ratchet be installed in ratchet nested go up and pull the spring middle part with ratchet be connected, ratchet is pulled the side that spring one end is fixed on the rectangle shaft shoulder, the other end is fixed on the inboard of the middle font center hole of clutch sleeve, Returnning spring places between the top of the clutch and the rectangle shaft shoulder, the chain gear ring have in interior week can with the ratchet of ratchet engagement; Have the rectangle shaft shoulder and rectangle arc apical axis shoulder on the above back shaft on two, the rectangle shaft shoulder of three above chain gear shafts and two rectangle shaft shoulders with back shaft are installed in the straight trough on the left and right straight flute plate and can move along straight trough; The two ends of three above chain gear shafts and two above back shafts are installed in the curvilinear groove on the left and right curved groove disk and can move and rotate to it along curvilinear groove, left and right straight trough circles or whirl in the air to overlap and is installed on the sprocket shaft, left and right curved groove disk is fixedly mounted on the sprocket shaft and is positioned at the outside of left and right straight flute plate, the two ends of sprocket shaft are rack-mount, Zola's spring is installed between left straight groove disk periphery and the left cranked slot disk periphery, and right extension spring is installed between right straight flute plate periphery and the right curved groove disk periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93205513 CN2153677Y (en) | 1993-03-12 | 1993-03-12 | Self-changing radius chain wheel for infinitely automatic variable speed gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93205513 CN2153677Y (en) | 1993-03-12 | 1993-03-12 | Self-changing radius chain wheel for infinitely automatic variable speed gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2153677Y true CN2153677Y (en) | 1994-01-19 |
Family
ID=33788766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93205513 Expired - Fee Related CN2153677Y (en) | 1993-03-12 | 1993-03-12 | Self-changing radius chain wheel for infinitely automatic variable speed gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2153677Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
| CN109047529A (en) * | 2018-08-31 | 2018-12-21 | 江苏宏宝优特管业制造有限公司 | A kind of stable steel pipe punch apparatus |
-
1993
- 1993-03-12 CN CN 93205513 patent/CN2153677Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816781A (en) * | 2015-03-24 | 2015-08-05 | 李皓明 | Super variable-speed gear |
| CN109047529A (en) * | 2018-08-31 | 2018-12-21 | 江苏宏宝优特管业制造有限公司 | A kind of stable steel pipe punch apparatus |
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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 |