CN201359058Y - Axle-shifting type infinitely variable transmission - Google Patents
Axle-shifting type infinitely variable transmission Download PDFInfo
- Publication number
- CN201359058Y CN201359058Y CNU2009201263403U CN200920126340U CN201359058Y CN 201359058 Y CN201359058 Y CN 201359058Y CN U2009201263403 U CNU2009201263403 U CN U2009201263403U CN 200920126340 U CN200920126340 U CN 200920126340U CN 201359058 Y CN201359058 Y CN 201359058Y
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- CN
- China
- Prior art keywords
- umbrella frame
- axle
- hinge bar
- connecting rod
- hinged
- 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 relates to an axle-shifting type infinitely variable transmission, comprising an input mechanism, a meshing mechanism, an axle-shifting mechanism, an output mechanism and a locking mechanism, wherein the input mechanism is a toothed ring, the meshing mechanism comprises a rib fixing ring, at least three ribs which are radially distributed on the same plane in the rib fixing ring, and a main articulating pole; the axle-shifting mechanism comprising a shifting axle, a fixing axle parallel to the shifting axle, and two pairs of connecting bars which has the same length with the main articulating pole; the output mechanism comprises a cone gear, a cone gear pair and an output shaft; the locking mechanism comprises a gear rack fixed on a synchronous connecting bar, a drive motor, a tonger and an operating handle. By adopting the structure, the infinitely variable transmission has the advantages of good transmission effect, energy saving, compact structure, convenient operation and high transmission efficiency.
Description
Technical field
The utility model relates to buncher, particularly a kind of shift shaft type stepless speed variator.
Background technique
At present the speed changer that uses be generally the speed changer of buncher, planetary pinion transmission of awl dish chain type friction driving or clutch type mechanical shift in conjunction with the tooth speed changer, the buncher of awl dish chain type friction driving is owing to be that friction driving causes deformation effect transmission effect and consumption function bigger; Planetary slewing range is subjected to itself structural constraint; And mechanical type clutch shift is in conjunction with tooth speed changer structure complexity and inconvenient operation, brings inconvenience on the utilization efficiency to the user.
In sum, the deficiency that exists of the speed changer of prior art is: speed changing effect is poor, consume that function is bigger, complex structure, inconvenient operation and transmission efficiency are low.
Summary of the invention
The purpose of this utility model is in order to overcome the prior art above shortcomings, a kind of shift shaft type stepless speed variator to be provided, comprise input mechanism, engaging mechanism, swing and tilt mechanism, output mechanism and the retaining device of unblanking, and wherein input mechanism is a ring gear, it is characterized in that:
1) described engaging mechanism comprises the umbrella frame retaining ring, at least three radial equipartitions umbrella frame on the same plane and main hinge bar in the umbrella frame retaining ring, one end of wherein said umbrella frame is fixed on the umbrella frame central sleeve, the other end is fixed on the circumference of umbrella frame retaining ring, has hinge bar umbrella frame sliding sleeve on each umbrella frame, this hinge bar umbrella frame sliding sleeve is by the circle-arc tooth engagement of pulley spindle and pulley and ring gear, one end of hinge bar umbrella frame sliding sleeve and main hinge bar is hinged, the other end of main hinge bar and hinge bar sliding sleeve are hinged, stage casing at every main hinge bar is hinged by secondary hinge bar and umbrella frame central sleeve, described hinge bar sliding sleeve is connected with speed change transmission axle key, is connected with extension spring between umbrella frame central sleeve and the hinge bar sliding sleeve; Two identical described engaging mechanisms are arranged on the both sides of ring gear, are alternate angle between the umbrella frame in their shared speed change transmission shafts that passes ring gear, two engaging mechanisms and arrange, the angle of described alternate angle is half of angle angle between the adjacent umbrella frame; The two end supports of described speed change transmission shaft is on the bearing support in shifting axle stage casing;
2) described swing and tilt mechanism comprise shifting axle, the stationary axle parallel with shifting axle, with two pairs of isometric connecting rods of main hinge bar, wherein an end of pair of links is hinged on respectively and is sleeved on the shifting axle connecting rod sliding sleeve up and down, and the other end is hinged on the stage casing of stationary axle simultaneously; Respectively with to be sleeved on stationary axle two connecting rod sliding sleeves up and down hinged, the other end is hinged on the stage casing of shifting axle simultaneously to an end of connecting rod for another, and two pairs of connecting rods are hinged in the intersection; The two ends of speed change transmission shaft connect a described swing and tilt mechanism respectively, in two swing and tilt mechanisms between two shifting axles or between the stationary axle connecting rod sliding sleeve of any correspondence connect by synchronous connecting rod, by driving this synchronous connecting rod up and down, driving all connecting rod sliding sleeves does opposite in twos or relatively moves along shifting axle and stationary axle respectively, shifting axle is moved horizontally with respect to stationary axle, making the speed change transmission shaft drive the umbrella frame retaining ring moves horizontally with respect to ring gear, thereby reduce or increased the pulley number with the circle-arc tooth engagement of ring gear, realize speed change;
3) described output mechanism comprises cone gear, cone gear pair and output shaft, wherein cone gear is connected with an axle head key of speed change transmission shaft, and restrictive axial moves, with the cone gear of the normal engagement of cone gear secondary with export axle key and be connected, and can move axially along the keyway of output shaft;
4) described stopper mechanism comprises tooth bar, drive motor, tonger and the operating grip that is fixed on synchronous connecting rod, wherein drive motor is by shaftgear and tooth bar engagement, rotation forward or backwards by shaftgear, make synchronous connecting rod do upper and lower moving by rack drives, the jaw of tonger is enclosed within on the tooth bar, keep the slideproof tooth of jaw and tooth bar both sides often to mesh by the gear extension spring, the tail end of tonger is with operating grip, finish the folding of jaw by moving forward and backward of operating grip, realize stopper or gear shift.
The advantage that the utility model has owing to said structure is conspicuous: speed changing effect is good, energy-conservation, compact structure, easy to operate and transmission efficiency is high.
Description of drawings
The embodiment of the indefiniteness that the utility model said structure can provide by accompanying drawing further specifies.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model umbrella frame retaining ring;
Fig. 3 is the structural representation of the utility model input mechanism and pulley engagement;
Fig. 4 is the structural representation of the utility model swing and tilt mechanism;
Fig. 5 is the structural representation of the utility model output mechanism;
Fig. 6 is the structural representation that the utility model unblanks to keep off.
In the accompanying drawing: 1, ring gear; 1.1, circle-arc tooth; 2, umbrella frame retaining ring; 2.1, umbrella frame; 3, speed change transmission shaft; 3.1, the umbrella frame central sleeve; 3.2, the hinge bar sliding sleeve; 3.3, main hinge bar; 3.4, extension spring; 3.5, secondary hinge bar; 3.6, hinge bar umbrella frame sliding sleeve; 3.7, pulley spindle; 3.8, pulley; 4, shifting axle; 4.1, the connecting rod sliding sleeve; 4.2, connecting rod; 4.3, stationary axle; 4.4, bearing support; 4.5, synchronous connecting rod; 4.6, drive motor; 4.7, tonger; 4.8, the gear extension spring; 4.9, operating grip; 4.10, tooth bar; 5, cone gear; 5.1, the cone gear pair; 5.2, position shelf; 6, output shaft.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing 1 or 2 or 3 or 4 or 5 and 6, the shift shaft type stepless speed variator among the figure comprises input mechanism, engaging mechanism, swing and tilt mechanism, output mechanism and the retaining device of unblanking, and wherein input mechanism is a ring gear 1, it is characterized in that:
1) described engaging mechanism comprises umbrella frame retaining ring 2, at least three radial equipartitions umbrella frame on the same plane 2.1 and main hinge bar 3.3 in the umbrella frame retaining ring, one end of wherein said umbrella frame is fixed on the umbrella frame central sleeve 3.1, the other end is fixed on the circumference of umbrella frame retaining ring 2, has hinge bar umbrella frame sliding sleeve 3.6 on each umbrella frame, this hinge bar umbrella frame sliding sleeve is by circle-arc tooth 1.1 engagements of pulley spindle 3.7 and pulley 3.8 and ring gear 1, one end of hinge bar umbrella frame sliding sleeve and main hinge bar is hinged, the other end of main hinge bar and hinge bar sliding sleeve 3.2 are hinged, stage casing at every main hinge bar is hinged with umbrella frame central sleeve 3.1 by secondary hinge bar 3.5, described hinge bar sliding sleeve 3.2 is connected with speed change transmission shaft 3 keys, is connected with extension spring 3.4 between umbrella frame central sleeve and the hinge bar sliding sleeve; Two identical described engaging mechanisms are arranged on the both sides of ring gear 1, their shared speed change transmission shafts 3 that passes ring gear 1, be alternate angle between the umbrella frame 2.1 in two engaging mechanisms and arrange, the angle of described alternate angle is half of angle angle between the adjacent umbrella frame 2.1; The two end supports of described speed change transmission shaft 3 is on the bearing support 4.4 in shifting axle 4 stage casings;
2) described swing and tilt mechanism comprises shifting axle 4, the stationary axle 4.3 parallel with shifting axle, two pair connecting rods 4.2 isometric with main hinge bar 3.3, wherein an end of pair of links is hinged on respectively and is sleeved on the shifting axle connecting rod sliding sleeve 4.1 up and down, and the other end is hinged on the stage casing of stationary axle 4.3 simultaneously; Respectively with to be sleeved on stationary axle two connecting rod sliding sleeves up and down hinged, the other end is hinged on the stage casing of shifting axle 4.3 simultaneously to an end of connecting rod for another, and two pairs of connecting rods are hinged in the intersection; The two ends of speed change transmission shaft 3 connect a described swing and tilt mechanism respectively, in two swing and tilt mechanisms between two shifting axles or between the stationary axle connecting rod sliding sleeve of any correspondence connect by synchronous connecting rod 4.5, by driving this synchronous connecting rod up and down, driving all connecting rod sliding sleeves does opposite in twos or relatively moves along shifting axle and stationary axle respectively, shifting axle 4 is moved horizontally with respect to stationary axle 4.3, making speed change transmission shaft 3 drive umbrella frame retaining ring 2 moves horizontally with respect to ring gear 1, thereby reduce or increased the pulley number with circle-arc tooth 1.1 engagements of ring gear 1, realize speed change;
3) described output mechanism comprises cone gear 5, cone gear secondary 5.1 and output shaft 6, wherein cone gear 5 is connected with an axle head key of speed change transmission shaft 3, and restrictive axial moves, be connected with output shaft 6 keys with the cone gear secondary 5.1 of the normal engagement of cone gear 5, and can move axially along the keyway of output shaft;
4) described stopper mechanism comprises tooth bar 4.10, drive motor 4.6, tonger 4.7 and the operating grip 4.9 that is fixed on synchronous connecting rod 4.5, wherein drive motor is by shaftgear and tooth bar engagement, rotation forward or backwards by shaftgear, make synchronous connecting rod 4.5 do upper and lower moving by rack drives, the jaw of tonger is enclosed within on the tooth bar, keep the slideproof tooth of jaw and tooth bar both sides often to mesh by gear extension spring 4.8, the tail end of tonger is with operating grip, finish the folding of jaw by moving forward and backward of operating grip, realize stopper or gear shift.
In the said structure, keep normal engagement by position shelf 5.2 between cone gear 5 and the cone gear pair 5.1 in output mechanism, the two ends of rectangular-shaped position shelf are enclosed within the annular groove of two cone gear axle journals by connecting ring respectively.
In the said structure, circle-arc tooth 1.1 increases in the ring gear 1, hinge bar umbrella frame sliding sleeve 3.6 bar numbers increase, increasing pulley spindle 3.7 and pulley 3.8 reduces alternate angle size and pressure angle, thereby reduce the great fluctuation process of curvature changing.
The utility model is work like this---power source is passed to ring gear 1 back with driving source and is passed to pulley 3.8 and pulley spindle 3.7 by ring gear 1.When not needing speed change: drive umbrella frame retaining ring 2 by pulley spindle 3.7 and rotate, umbrella frame retaining ring 2 rotates the cone gear 5 that drives the other end on 3 rotations of speed change transmission shaft and the speed change transmission shaft 3 and rotates along with the rotation of speed change transmission shaft 3, also rotate with the cone gear pair 5.1 of cone gear 5 engagements thereupon, thereby drive output shaft 6 rotations; When needing speed change: manipulation operations handle 4.9 moves forward and makes gear extension spring 4.8 open the angle of tonger 4.7, opening drive motor 4.6 simultaneously drives tooth bars 4.10 and moves up and down and drive synchronous connecting rod 4.5 and move up and down, synchronous connecting rod 4.5 drives are sleeved on connecting rod sliding sleeves 4.1 all on shifting axle 4 and the stationary axle 4.3 and move, all connecting rod sliding sleeves 4.1 are done mutually trans relatively moving along shifting axle 4 with stationary axle 4.3 respectively in twos, shifting axle 4 is moved horizontally with respect to stationary axle 4.3, making speed change transmission shaft 3 drive umbrella frame retaining ring 2 moves horizontally with respect to ring gear 1, thereby reducing or increased pulley 3.8 numbers with circle-arc tooth 1.1 engagements of ring gear 1 moves up and down pulley spindle 3.7 and pulley 3.8 on the umbrella frame retaining ring 2 in the engaging mechanism on umbrella frame 2.1, just changed the span at pulley spindle 3.7 on all hinge bar umbrella frame sliding sleeves 3.6 and pulley 3.8 and umbrella frame retaining ring 2 centers after mobile, thereby made pulley spindle 3.7 on the umbrella frame retaining ring 2 and pulley 3.8 and the change of the point of contact size of ring gear 1 constitute the speed change of big or small tooth circle.Wherein, pulley spindle 3.7 and pulley 3.8 all have some teeth and circle-arc tooth 1.1 often to mesh when speed change and non-speed change.
In sum, this architecture compactness, and also speed changing effect is good, energy-conservation, easy to operate and transmission efficiency is high.
Claims (2)
1, a kind of shift shaft type stepless speed variator comprises input mechanism, engaging mechanism, swing and tilt mechanism, output mechanism and the retaining device of unblanking, and wherein input mechanism is ring gear (1), it is characterized in that:
1) described engaging mechanism comprises umbrella frame retaining ring (2), at least three radial equipartitions umbrella frame on the same plane (2.1) and main hinge bar (3.3) in the umbrella frame retaining ring, one end of wherein said umbrella frame is fixed on the umbrella frame central sleeve (3.1), the other end is fixed on the circumference of umbrella frame retaining ring (2), has hinge bar umbrella frame sliding sleeve (3.6) on each umbrella frame, this hinge bar umbrella frame sliding sleeve is by circle-arc tooth (1.1) engagement of pulley spindle (3.7) and pulley (3.8) and ring gear (1), one end of hinge bar umbrella frame sliding sleeve and main hinge bar is hinged, the other end of main hinge bar and hinge bar sliding sleeve (3.2) are hinged, stage casing at every main hinge bar is hinged by secondary hinge bar (3.5) and umbrella frame central sleeve (3.1), described hinge bar sliding sleeve (3.2) is connected with speed change transmission shaft (3) key, is connected with extension spring (3.4) between umbrella frame central sleeve and the hinge bar sliding sleeve; Two identical described engaging mechanisms are arranged on the both sides of ring gear (1), their shared speed change transmission shafts (3) that passes ring gear (1), be alternate angle between the umbrella frame (2.1) in two engaging mechanisms and arrange, the angle of described alternate angle is half of angle angle between the adjacent umbrella frame (2.1); The two end supports of described speed change transmission shaft (3) is on the bearing support (4.4) in shifting axle (4) stage casing;
2) described swing and tilt mechanism comprise shifting axle (4), the stationary axle (4.3) parallel with shifting axle, with the isometric two pairs of connecting rods (4.2) of main hinge bar (3.3), wherein an end of pair of links is hinged on respectively and is sleeved on the shifting axle connecting rod sliding sleeve (4.1) up and down, and the other end is hinged on the stage casing of stationary axle (4.3) simultaneously; Respectively with to be sleeved on stationary axle two connecting rod sliding sleeves up and down hinged, the other end is hinged on the stage casing of shifting axle (4.3) simultaneously to an end of connecting rod for another, and two pairs of connecting rods are hinged in the intersection; The two ends of speed change transmission shaft (3) connect a described swing and tilt mechanism respectively, in two swing and tilt mechanisms between two shifting axles or between the stationary axle connecting rod sliding sleeve of any correspondence connect by synchronous connecting rod (4.5), by driving this synchronous connecting rod up and down, driving all connecting rod sliding sleeves does opposite in twos or relatively moves along shifting axle and stationary axle respectively, shifting axle (4) is moved horizontally with respect to stationary axle (4.3), making speed change transmission shaft (3) drive umbrella frame retaining ring (2) moves horizontally with respect to ring gear (1), thereby reduce or increased the pulley number with circle-arc tooth (1.1) engagement of ring gear (1), realize speed change;
3) described output mechanism comprises cone gear (5), cone gear pair (5.1) and output shaft (6), wherein cone gear (5) is connected with an axle head key of speed change transmission shaft (3), and restrictive axial moves, be connected with output shaft (6) key with the cone gear pair (5.1) of the normal engagement of cone gear (5), and can move axially along the keyway of output shaft;
4) described stopper mechanism comprises the tooth bar (4.10) that is fixed on synchronous connecting rod (4.5), drive motor (4.6), tonger (4.7) and operating grip (4.9), wherein drive motor is by shaftgear and tooth bar engagement, rotation forward or backwards by shaftgear, make on synchronous connecting rod (4.5) work by rack drives, move down, the jaw of tonger is enclosed within on the tooth bar, keep the slideproof tooth of jaw and tooth bar both sides often to mesh by gear extension spring (4.8), the tail end of tonger is with operating grip, finish the folding of jaw by moving forward and backward of operating grip, realize stopper or gear shift.
2, shift shaft type stepless speed variator according to claim 1, it is characterized in that: keep engagement often by position shelf (5.2) between cone gear in output mechanism (5) and the cone gear pair (5.1), the two ends of rectangular-shaped position shelf are enclosed within the annular groove of two cone gear axle journals by connecting ring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201263403U CN201359058Y (en) | 2009-02-17 | 2009-02-17 | Axle-shifting type infinitely variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201263403U CN201359058Y (en) | 2009-02-17 | 2009-02-17 | Axle-shifting type infinitely variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359058Y true CN201359058Y (en) | 2009-12-09 |
Family
ID=41424822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201263403U Expired - Fee Related CN201359058Y (en) | 2009-02-17 | 2009-02-17 | Axle-shifting type infinitely variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359058Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763779A (en) * | 2014-01-07 | 2015-07-08 | 司建 | Transmission mechanism capable of simplifying layout logic |
-
2009
- 2009-02-17 CN CNU2009201263403U patent/CN201359058Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763779A (en) * | 2014-01-07 | 2015-07-08 | 司建 | Transmission mechanism capable of simplifying layout logic |
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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: 20091209 Termination date: 20130217 |