CN203548812U - Two-way automatic speed changing motor drive mechanism - Google Patents
Two-way automatic speed changing motor drive mechanism Download PDFInfo
- Publication number
- CN203548812U CN203548812U CN201320760985.9U CN201320760985U CN203548812U CN 203548812 U CN203548812 U CN 203548812U CN 201320760985 U CN201320760985 U CN 201320760985U CN 203548812 U CN203548812 U CN 203548812U
- Authority
- CN
- China
- Prior art keywords
- unidirectional
- gear
- way element
- side wall
- groove
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model provides a two-way automatic speed changing motor drive mechanism, and belongs to the technical field of machines. The problem that an existing motor drive mechanism does not enable an electro-tricycle to back up is solved. A motor of the two-way automatic speed changing motor drive mechanism is placed on one side of a shell, an automatic speed changer and a differential mechanism are both placed inside the shell, and the motor is connected with the automatic speed changer. A retreating one-way isolator is fixedly connected inside the shell, and a one-way clamping groove is formed in the circumferential outer side wall of the shell. An advancing one-way isolator is arranged on a speed changer shaft in a sleeved mode, and the advancing one-way isolator is provided with a one-way clamping head. A mounting rack is fixedly connected inside the shell, a hinge pin and a spring are arranged in a mounting hole of the mounting rack, and the hinge pin has the tendency of abutting against the circumferential outer side wall of the retreating one-way isolator all the time under the elastic force action of the spring. When the hinge pin is embedded into the one-way clamping groove, the advancing one-way isolator can rotate normally; when the hinge pin abuts against the circumferential outer side wall of the retreating one-way isolator, the hinge pin and the one-way clamping head can be connected in a clamping mode. The two-way automatic speed changing motor drive mechanism has the advantage of enabling the electro-tricycle to back up.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of motor transmission mechanism, particularly a kind of bidirectional automatic gear shifting motor transmission mechanism.
Background technique
The brushless hub electric motor that the current electro-tricycle of China, electric vehicle adopt and brushless differential speed motor and series machine are commonplace, these three kinds of motors are owing to considering the reasonable equilibrium of the speed of electro-tricycle operation and the two factor of load in their designs, therefore in use there is the shortcoming of climbing and speed aspect, and inrush current is large, reduced the working life of storage battery, cause amplification and the energy waste of using power of motor, and the demand of load, speed, climbing can not meet.
For the problem of above existence, people have made improvement, and what have has also applied for patent, and for example Chinese patent literature data discloses electro-tricycle, electric vehicle automatic speed change motor transmission mechanism [application number: 201110029082.9, notice of authorization number: CN102606689A], it has motor, automatic transmission and differential system, automatic transmission comprises transmission shaft, driving gear, sun gear fixed plate, driving disc, case and connecting plate, the motor shaft of motor drives transmission shaft, the other end of transmission shaft is installed connecting plate, fixed block on connecting plate is connected with case, in case top, planetary pinion is installed, planetary bottom connects firmly the driving disc with the piece of crowing, the piece of crowing is connected with extension spring, driving disc through driving disc spline housing outside transmission shaft, planetary pinion matches with sun gear, sun gear matches with sun gear fixed plate, two side perforations of sun gear fixed plate are fixed on gear box, driving disc is connected with driving gear by driving disc spline, driving gear drives carrier gear, gap bridge follower drives driven gear, driven gear connects differential system, differential system spline housing connects motor rear axle semiaxis.
The motor transmission mechanism sun gear fixed plate of this kind of structure is to be directly fixed on gear box, and this kind of motor transmission mechanism was difficult to reach at a high speed in actual time, and speed is faster, and driving disc directly stuck possibility is just larger; Meanwhile, the motor transmission mechanism of this kind of structure, cannot realize car-backing function, uses the electro-tricycle of this kind of structure, electric vehicle to travel forward, and is unidirectional, and cannot moves backward.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of bidirectional automatic gear shifting motor transmission mechanism is provided, and this motor transmission mechanism can make electro-tricycle, electric vehicle realize car-backing function.
The purpose of this utility model can realize by following technical proposal: a kind of bidirectional automatic gear shifting motor transmission mechanism, comprise motor, automatic transmission, differential mechanism and housing, described motor is positioned at a side of described housing, described automatic transmission and differential mechanism are all positioned at described housing and both two companies, described electric machine main shaft is connected with described automatic transmission, it is characterized in that, between described automatic transmission and differential mechanism, be axially fixed with the one-way element that retreats that is circular, on the described circumferential outer side wall that retreats one-way element, there is unidirectional draw-in groove, on the transmission shaft of described automatic transmission, cover has the one-way element of advancing, on the described one-way element that advances, there is unidirectional dop, in described housing, be fixed with scaffold, on described scaffold, there is mounting hole, in described mounting hole, be provided with bearing pin and spring, described bearing pin is between described unidirectional draw-in groove and unidirectional dop, described bearing pin has all the time the described trend on the circumferential outer side wall of one-way element that retreats that is resisted against under the effect of described spring force, in the time of in described bearing pin is embedded in described unidirectional draw-in groove, the described one-way element that advances can normally rotate, when described bearing pin is resisted against described while retreating the circumferential outer side wall of one-way element, described bearing pin and described unidirectional dop phase clamping.
This bidirectional automatic gear shifting motor transmission mechanism is arranged in electro-tricycle, electric vehicle, and the output terminal of differential mechanism is for connecting the rear axle shaft of electro-tricycle, electric vehicle.While advancing, bearing pin is embedded in unidirectional draw-in groove under the effect of spring force, makes to retreat one-way element and fixes and can not rotate, and bearing pin now can not be stuck on unidirectional dop, and the one-way element that advances can freely rotate, and electro-tricycle, electric vehicle are to overtake; During reversing, retreating one-way element rotates backward, bearing pin is resisted against on the circumferential outer side wall that retreats one-way element, the opposite side that now bearing pin Compress Spring reaches scaffold is resisted against on unidirectional dop, block unidirectional dop, the one-way element that makes to advance can not rotate, and realizes the function of electro-tricycle, electric vehicle reversing, during reversing, speed is generally slower.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, the described one-way element that retreats comprises outer shroud, needle roller, unidirectional ring and pad, described unidirectional draw-in groove is positioned on the outer side wall of described outer shroud, described unidirectional ring is arranged in described outer shroud, between the circumferential outer side wall of described unidirectional ring and the madial wall of described outer shroud, there is small gap, there are laterally several needle roller grooves the week of described unidirectional ring, described needle roller is positioned at described needle roller groove, the side that described pad is arranged in outer shroud can not come off from described outer shroud described needle roller and unidirectional ring, the curved shape in bottom of described needle roller groove, and the diameter of described needle roller is greater than needle roller groove one end along unidirectional ring height radially, be less than the needle roller groove the other end along unidirectional ring height radially.Gap bridge driving gear, the driven gear and retreat one-way element and coaxially arrange of passing a bridge, when this axle clockwise rotates, needle roller is positioned at the higher the other end of needle roller groove height, unidirectional ring and outer shroud are relatively independent, be that unidirectional ring can rotate freely, and outer shroud maintains static, there is small gap between the two, facilitate unidirectional ring rotation; When this axle rotates counterclockwise, because needle roller has the trend that is rolled to the lower one end of needle roller groove height, when this axle High Rotation Speed, needle roller makes unidirectional ring be connected mutually with outer shroud, and outer shroud can only rotate together along with unidirectional ring.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, a sidewall of described unidirectional draw-in groove along described in retreat the radially setting of one-way element, the circumferential outer side wall of the bottom of described unidirectional draw-in groove and the curved shape of another sidewall and described outer shroud seamlessly transits.After within bearing pin is embedded into unidirectional draw-in groove, bearing pin can only be from the opposite side of unidirectional draw-in groove out, and unidirectional draw-in groove matches with bearing pin and makes the outer shroud can only be along a direction rotation.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, described bearing pin comprises insertion part and inserted part, the diameter of described insertion part is greater than the diameter of inserted part, described spring housing is on described inserted part, one end of described spring is resisted against on described insertion part, and the other end is resisted against on described scaffold.Insertion part and inserted part can be column, also can be square, and insertion part and inserted part are symmetrical set, and insertion part is used for being inserted in unidirectional draw-in groove, and inserted part is for the unidirectional dop of clamping, and the diameter of inserted part is less than insertion part, facilitates the installation of spring.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, described insertion part has insert head, one side of described insert head is plane, the sloped-end setting of described insert head, described inserted part has clamping joint, one side of described clamping joint is plane, the sloped-end setting of described clamping joint.Insert head is used for being inserted in unidirectional draw-in groove, and a side of insert head is plane, matches with a sidewall of unidirectional draw-in groove, plane and plane clamping, facilitate the directly stuck one-way element that retreats of bearing pin, another sidewall of end slope and unidirectional draw-in groove matches, and facilitates bearing pin to cross unidirectional draw-in groove; It is also identical reason that clamping joint is made this kind of shape.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, between described automatic transmission and differential mechanism, there is gap bridge driving gear and gap bridge driven gear, the described one-way element that retreats is between described gap bridge driving gear and described gap bridge driven gear, and described gap bridge driving gear, the driven gear and retreat one-way element and coaxially arrange of passing a bridge.Compact structure, rationally utilizes installing space.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, the described one-way element that advances comprises base plate, snap ring and unidirectional ring gear, described unidirectional ring gear is fixed in described housing, described snap ring is fixed on the center of described base plate, described unidirectional dop is positioned at the top of the circumferential outer side wall of described snap ring, and protrude from the circumferential outer side wall of described snap ring, described base plate equal intervals is provided with several rotating ratchets, and the teeth groove that one end of described ratchet is positioned at described unidirectional ring gear makes the described one-way element that advances can only be along a direction rotation.Base plate and snap ring are all enclosed within on transmission shaft, and ratchet matches with unidirectional ring gear, and the one-way element that makes to advance can only be along a direction rotation.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, the curved shape of outer side wall of described ratchet, the center of described ratchet is connected with base plate by pin, one end of described ratchet is resisted against in the teeth groove of described unidirectional ring gear, the other end is connected with described base plate by torsion spring, and described torsion spring can rotate around described pin described ratchet.Torsion spring pulls ratchet, and ratchet can be set back.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, a sidewall of described unidirectional dop is along the radially setting of snap ring, the curved shape of another sidewall and seamlessly transitting with the circumferential outer side wall of described snap ring.One sidewall of unidirectional dop is plane, and conveniently, with the phase clamping of bearing pin inserted part, opposite side seamlessly transits and facilitates bearing pin inserted part to cross unidirectional dop.
In above-mentioned a kind of bidirectional automatic gear shifting motor transmission mechanism, described automatic transmission also comprises driving gear, driving disc, case and connecting plate, the main shaft of described motor is connected with one end of described transmission shaft, the other end of described transmission shaft is connected with described connecting plate, described connecting plate is connected mutually with described case, in described case top, several planetary pinions are installed, several described planetary middles have sun gear, described sun gear is connected with the described one-way element that advances by spline, described planetary bottom is fixed with the driving disc with centrifugal-block, described centrifugal-block is connected with extension spring, described driving disc is outside hub splines is enclosed within described transmission shaft, described driving disc is connected with described driving gear by hub splines, described driving gear is connected with described gap bridge driving gear, described gap bridge driving gear drives described gap bridge driven gear, described gap bridge driven gear connected with differential.
Compared with prior art, the bidirectional automatic gear shifting motor transmission mechanism that the utility model provides has the following advantages:
1, this bidirectional automatic gear shifting motor transmission mechanism is provided with and retreats one-way element between gap bridge driving gear and gap bridge driven gear, on transmission shaft, cover has the one-way element of advancing, retreat one-way element and advance one-way element under the cooperation of bearing pin, after making this motor transmission mechanism be installed on electro-tricycle, electric vehicle, make electro-tricycle, electric vehicle there is the just progressive while, also can realize the function of reversing.
2, this bidirectional automatic gear shifting motor transmission mechanism is when the stage of running at high speed, the one-way element that advances is rotating, can not have influence on the rotation of transmission shaft, connecting plate, case, driving disc, hub splines and driving gear, transmission shaft can be not stuck, during motor high speed rotating, electro-tricycle, electric vehicle be just equivalent to electric machine main shaft and be directly passed to driving gear, gap bridge driving gear, so can be realized and advancing at utmost speed.
3, this bidirectional automatic gear shifting motor transmission mechanism can switch at a high speed and between low speed freely, speed and moment have been solved with the conversion of demand, meet user in climbing and very fast demand of travelling, and reduce inrush current, extend the working life of storage battery.
Accompanying drawing explanation
Fig. 1 is the overall structure sectional view of this bidirectional automatic gear shifting motor transmission mechanism.
Fig. 2 is the part-structure view of this bidirectional automatic gear shifting motor transmission mechanism while advancing.
Part-structure view when Fig. 3 is the reversing of this bidirectional automatic gear shifting motor transmission mechanism.
Fig. 4 is the plan view of this part-structure view bearing pin.
In figure, 1, motor; 2, automatic transmission; 2a, transmission shaft; 2b, one-way element advances; 2b1, base plate; 2b2, snap ring; 2b21, unidirectional dop; 2b3, unidirectional ring gear; 2b31, teeth groove; 2b4, ratchet; 2b5, pin; 2b6, torsion spring; 2c, driving gear; 2d, driving disc; 2e, case; 2f, connecting plate; 2g, planetary pinion; 2h, sun gear; 2i, centrifugal-block; 2j, extension spring; 2k, hub splines; 3, differential mechanism; 4, housing; 5, gap bridge driving gear; 6, gap bridge driven gear; 7, retreat one-way element; 7a, outer shroud; 7a1, unidirectional draw-in groove; 7b, needle roller; 7c, unidirectional ring; 7c1, needle roller groove; 7d, pad; 8, scaffold; 8a, mounting hole; 9, bearing pin; 9a, insertion part; 9a1, insert head; 9b, inserted part; 9b1, clamping joint; 10, spring.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this bidirectional automatic gear shifting motor transmission mechanism comprises motor 1, automatic transmission 2, differential mechanism 3, housing 4, gap bridge driving gear 5, gap bridge driven gear 6 and retreats one-way element 7.
Motor 1 is positioned at a side of housing 4, automatic transmission 2, differential mechanism 3, gap bridge driving gear 5, gap bridge driven gear 6 and retreat one-way element 7 and be all positioned at housing 4, automatic transmission 2, differential mechanism 3 lay respectively at the two ends in housing 4, gap bridge driving gear 5, gap bridge driven gear 6 and retreat one-way element 7 and coaxially arrange, and be positioned at the middle of housing 4, retreat one-way element 7 between gap bridge driving gear 5 and gap bridge driven gear 6, and retreat one-way element 7, gap bridge driving gear 5 and gap bridge driven gear 6 and coaxially arrange.
As shown in Figure 2 and Figure 3, retreat one-way element 7 and comprise outer shroud 7a, needle roller 7b, unidirectional ring 7c and pad 7d, outer shroud 7a is circular, on the outer side wall of outer shroud 7a, there is unidirectional draw-in groove 7a1, a sidewall of unidirectional draw-in groove 7a1 is along the radially setting that retreats one-way element 7, be a plane, the bottom of unidirectional draw-in groove 7a1 and the curved shape of another sidewall, seamlessly transit with the circumferential outer side wall of outer shroud 7a.Unidirectional ring 7c is arranged in outer shroud 7a, between the unidirectional ring circumferential outer side wall of 7c and the madial wall of outer shroud 7a, there is small gap, in the present embodiment, unidirectional five the needle roller groove 7c1 that have laterally in week that encircle 7c, needle roller 7b is positioned at needle roller groove 7c1, the quantity that is needle roller 7b is also five, pad 7d is positioned at the sidepiece of outer shroud 7a, pad 7d makes needle roller 7b and unidirectional ring 7c be positioned at outer shroud 7a can not come off, the curved shape in bottom of needle roller groove 7c1, and the diameter of needle roller 7b is greater than needle roller groove 7c1 one end along unidirectional ring 7c height radially, be less than the needle roller groove 7c1 the other end along unidirectional ring 7c height radially.This kind of structure, when unidirectional ring 7c turns clockwise, unidirectional ring 7c and outer shroud 7a are split movements; When unidirectional ring 7c moves counterclockwise, unidirectional ring 7c is connected with outer shroud 7a with under the effect of self rotating mutually at needle roller 7b, and unidirectional ring 7c rotates together with outer shroud 7a.
As shown in Figure 2 and Figure 3, the one-way element 2b that advances comprises base plate 2b1, snap ring 2b2, unidirectional ring gear 2b3, ratchet 2b4, pin 2b5 and torsion spring 2b6.Unidirectional ring gear 2b3 is fixed in housing 4, on unidirectional ring gear 2b3, there are a plurality of unidirectional teeth groove 2b31, snap ring 2b2 is fixed on the center of base plate 2b1, snap ring 2b2 and base plate 2b1 are all enclosed within on transmission shaft 2a, the top of the circumferential outer side wall of snap ring 2b2 has unidirectional dop 2b21, unidirectional dop 2b21 protrudes from the surface of the circumferential outer side wall of snap ring 2b2, a sidewall of unidirectional dop 2b21 is along the radially setting of snap ring 2b2, be a plane, the curved shape of another sidewall, and seamlessly transit with the circumferential outer side wall of snap ring 2b2.In the present embodiment, base plate 2b1 equal intervals is provided with 4 ratchet 2b4, the curved shape of outer side wall of ratchet 2b4, the center of ratchet 2b4 is connected with base plate 2b1 by pin 2b5, one end of ratchet 2b4 is resisted against in the unidirectional teeth groove 2b31 of unidirectional ring gear 2b3, the other end is connected with base plate 2b1 by torsion spring 2b6, and the other end can be resisted against on snap ring 2b2, torsion spring 2b6 makes the ratchet 2b4 can be around pin 2b5 rotation, ratchet 2b4 and unidirectional ring gear 2b3 match make to advance one-way element 2b can only be along a direction rotation.
In housing 4, be fixed with scaffold 8, central position on scaffold 8 has mounting hole 8a, in mounting hole 8a, be provided with bearing pin 9 and spring 10, as shown in Figure 4, bearing pin 9 comprises 9aHe inserted part, insertion part 9b, 9aHe inserted part, insertion part 9b is and is symmetrical set, in the present embodiment, 9aHe inserted part, insertion part 9b is all cylindric, in actual production, can make square other shapes such as grade, the diameter of insertion part 9a is greater than the diameter of inserted part 9b, the outer end of insertion part 9a has insert head 9a1, a side of insert head 9a1 is plane, match with a sidewall of unidirectional draw-in groove 7a1, the sloped-end setting of insert head 9a1, the outer end of inserted part 9b has clamping joint 9b1, a side of clamping joint 9b1 is plane, match with a sidewall of unidirectional dop 2b21, the end of clamping joint 9b1 is also obliquely installed.It is upper that spring 10 is enclosed within inserted part 9b, and it is upper that one end of spring 10 is resisted against insertion part 9a, and the other end is resisted against on scaffold 8, and bearing pin 9 is under the effect of spring 10 elastic force, and insertion part 9a has the trend being resisted against on the circumferential outer side wall of outer shroud 7a all the time.When insert head 9a1 is inserted in the unidirectional draw-in groove 7a1 of outer shroud 7a, inserted part 9b is positioned at mounting hole 8a, the stuck one-way element 7 that retreats of bearing pin 9 now, and the one-way element 2b that advances can normally rotate; When inserted part 9b was connected to the unidirectional dop 2b21 of snap ring 2b2 when upper, insertion part 9a is positioned at mounting hole 8a, and now the stuck one-way element 2b that advances of bearing pin 9, retreats one-way element 7 with 5 rotations of gap bridge driving gear.
During work, when motor 1 low speed rotation, motor 1 drives transmission shaft 2a by main shaft, transmission shaft 2a drives case 2e by connecting plate 2f, case 2e drives driving disc 2d rotation after planetary pinion 2g slows down, now the speed of driving disc 2d will be lower than the rotating speed of case 2e, and driving disc 2d drives driving gear 2c to rotate by hub splines 2k, by gap bridge driving gear 5, gap bridge driven gear 6, differential mechanism 3 outputs.When this lower-speed state, insert head 9a1 is inserted in unidirectional draw-in groove 7a1, retreats one-way element 7 and is stuck, and planetary pinion 2g can drive the one-way element 2b that advances to rotate by sun gear 2h.When motor 1 High Rotation Speed, motor 1 drives transmission shaft 2a by main shaft, transmission shaft 2a drives case 2e by connecting plate 2f, because case 2e rotating speed is very fast, centrifugal-block 2i is opened and is connected mutually with case 2e, the rotating speed of case 2e is directly passed to driving disc 2d, and driving disc 2d drives driving gear 2c to rotate by hub splines 2k, by gap bridge driving gear 5, gap bridge driven gear 6, differential mechanism 3 outputs.When this fast state, insert head 9a1 is inserted in unidirectional draw-in groove 7a1, retreating one-way element 7 is stuck, and the one-way element 2b that advances still can rotate, just the direction of rotation is contrary with the sense of rotation of case 2e, can not have influence on the transmission of automatic transmission 2, transmission shaft 2a can not be stuck, and can realize high-speed drive.When reversing, motor 1 reversion, during reversing, general speed is slower, and motor 1 drives transmission shaft 2a, connecting plate 2f, cover cap, planetary pinion 2g, driving disc 2d, hub splines 2k, driving gear 2c, gap bridge driving gear 5, gap bridge driven gear 6 and differential mechanism 3 outputs successively.When reversing state, the unidirectional ring 7c and the outer shroud 7a that retreat one-way element 7 are stuck, retreat one-way element 7 with 5 rotations of gap bridge driving gear, now, insert head 9a1 is resisted against on the circumferential outer side wall of outer shroud 7a, be that insertion part 9a is positioned at mounting hole 8a substantially, clamping joint 9b1 is positioned at outside mounting hole 8a, and clamping joint 9b1 blocks unidirectional dop 2b21, and the one-way element 2b that makes to advance is stuck, can not rotate, realize car-backing function.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used motor 1 herein, automatic transmission 2, transmission shaft 2a, one-way element 2b advances, base plate 2b1, snap ring 2b2, unidirectional dop 2b21, unidirectional ring gear 2b3, teeth groove 2b31, ratchet 2b4, pin 2b5, torsion spring 2b6, driving gear 2c, driving disc 2d, case 2e, connecting plate 2f, planetary pinion 2g, sun gear 2h, centrifugal-block 2i, extension spring 2j, hub splines 2k, differential mechanism 3, housing 4, gap bridge driving gear 5, gap bridge driven gear 6, retreat one-way element 7, outer shroud 7a, unidirectional draw-in groove 7a1, needle roller 7b, unidirectional ring 7c, needle roller groove 7c1, pad 7d, scaffold 8, mounting hole 8a, bearing pin 9, insertion part 9a, insert head 9a1, inserted part 9b, clamping joint 9b1, spring 10 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. a bidirectional automatic gear shifting motor transmission mechanism, comprise motor (1), automatic transmission (2), differential mechanism (3) and housing (4), described motor (1) is positioned at a side of described housing (4), described automatic transmission (2) and differential mechanism (3) are all positioned at described housing (4) and both two companies, described motor (1) main shaft is connected with described automatic transmission (2), it is characterized in that, between described automatic transmission (2) and differential mechanism (3), be axially fixed with and be the circular one-way element (7) that retreats, on the described circumferential outer side wall that retreats one-way element (7), there is unidirectional draw-in groove (7a1), the upper cover of transmission shaft (2a) of described automatic transmission (2) has the one-way element of advancing (2b), on the described one-way element that advances (2b), there is unidirectional dop (2b21), in described housing (4), be fixed with scaffold (8), on described scaffold (8), there is mounting hole (8a), in described mounting hole (8a), be provided with bearing pin (9) and spring (10), described bearing pin (9) is positioned between described unidirectional draw-in groove (7a1) and unidirectional dop (2b21), described bearing pin (9) has all the time the described trend on the circumferential outer side wall of one-way element (7) that retreats that is resisted against under the effect of described spring (10) elastic force, in the time of in described bearing pin (9) is embedded in described unidirectional draw-in groove (7a1), the described one-way element that advances (2b) can normally rotate, when described bearing pin (9) is resisted against described while retreating the circumferential outer side wall of one-way element (7), described bearing pin (9) and described unidirectional dop (2b21) phase clamping.
2. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1, it is characterized in that, the described one-way element (7) that retreats comprises outer shroud (7a), needle roller (7b), unidirectional ring (7c) and pad (7d), described unidirectional draw-in groove (7a1) is positioned on the outer side wall of described outer shroud (7a), described unidirectional ring (7c) is arranged in described outer shroud (7a), between the madial wall of the circumferential outer side wall of described unidirectional ring (7c) and described outer shroud (7a), there is small gap, there are laterally several needle roller grooves (7c1) week of described unidirectional ring (7c), described needle roller (7b) is positioned at described needle roller groove (7c1), the side that described pad (7d) is arranged in outer shroud (7a) can not come off from described outer shroud (7a) described needle roller (7b) and unidirectional ring (7c), the curved shape in bottom of described needle roller groove (7c1), and the diameter of described needle roller (7b) is greater than needle roller groove (7c1) one end along unidirectional ring (7c) height radially, be less than needle roller groove (7c1) the other end along unidirectional ring (7c) height radially.
3. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1 and 2, it is characterized in that, described in one sidewall edge of described unidirectional draw-in groove (7a1), retreat the radially setting of one-way element (7), the circumferential outer side wall of the bottom of described unidirectional draw-in groove (7a1) and the curved shape of another sidewall and described outer shroud (7a) seamlessly transits.
4. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1 and 2, it is characterized in that, described bearing pin (9) comprises insertion part (9a) and inserted part (9b), the diameter of described insertion part (9a) is greater than the diameter of inserted part (9b), described spring (10) is enclosed within on described inserted part (9b), it is upper that one end of described spring (10) is resisted against described insertion part (9a), and the other end is resisted against on described scaffold (8).
5. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 4, it is characterized in that, described insertion part (9a) has insert head (9a1), one side of described insert head (9a1) is plane, the sloped-end setting of described insert head (9a1), described inserted part (9b) has clamping joint (9b1), and a side of described clamping joint (9b1) is plane, the sloped-end setting of described clamping joint (9b1).
6. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1 and 2, it is characterized in that, between described automatic transmission (2) and differential mechanism (3), there is gap bridge driving gear (5) and gap bridge driven gear (6), the described one-way element (7) that retreats is positioned between described gap bridge driving gear (5) and described gap bridge driven gear (6), and described gap bridge driving gear (5), gap bridge driven gear (6) and retreat one-way element (7) and coaxially arrange.
7. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1 and 2, it is characterized in that, the described one-way element that advances (2b) comprises base plate (2b1), snap ring (2b2) and unidirectional ring gear (2b3), described unidirectional ring gear (2b3) is fixed in described housing (4), described snap ring (2b2) is fixed on the center of described base plate (2b1), described unidirectional dop (2b21) is positioned at the circumferentially top of outer side wall of described snap ring (2b2), and protrude from the circumferential outer side wall of described snap ring (2b2), described base plate (2b1) equal intervals is provided with several rotating ratchets (2b4), the teeth groove (2b31) that one end of described ratchet (2b4) is positioned at described unidirectional ring gear (2b3) makes the described one-way element that advances (2b) can only be along a direction rotation.
8. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 7, it is characterized in that, the curved shape of outer side wall of described ratchet (2b4), the center of described ratchet (2b4) is connected with base plate (2b1) by pin (2b5), one end of described ratchet (2b4) is resisted against in the teeth groove (2b31) of described unidirectional ring gear (2b3), the other end is connected with described base plate (2b1) by torsion spring (2b6), and described torsion spring (2b6) can rotate around described pin (2b5) described ratchet (2b4).
9. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 7, it is characterized in that, one sidewall of described unidirectional dop (2b21) is along the radially setting of snap ring (2b2), the curved shape of another sidewall and seamlessly transitting with the circumferential outer side wall of described snap ring (2b2).
10. a kind of bidirectional automatic gear shifting motor transmission mechanism according to claim 1 and 2, it is characterized in that, described automatic transmission (2) also comprises driving gear (2c), driving disc (2d), case (2e) and connecting plate (2f), the main shaft of described motor (1) is connected with one end of described transmission shaft (2a), the other end of described transmission shaft (2a) is connected with described connecting plate (2f), described connecting plate (2f) is connected mutually with described case (2e), described case (2e) is provided with several planetary pinions (2g) in top, the middle of described several planetary pinions (2g) has sun gear (2h), described sun gear (2h) is connected with the described one-way element that advances (2b) by spline, the bottom of described planetary pinion (2g) is fixed with the driving disc (2d) of band centrifugal-block (2i), described centrifugal-block (2i) is connected with extension spring (2j), described driving disc (2d) is outside hub splines (2k) is enclosed within described transmission shaft (2a), described driving disc (2d) is connected with described driving gear (2c) by hub splines (2k), described driving gear (2c) is connected with described gap bridge driving gear (5), described gap bridge driving gear (5) drives described gap bridge driven gear (6), described gap bridge driven gear (6) connects differential system (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760985.9U CN203548812U (en) | 2013-11-27 | 2013-11-27 | Two-way automatic speed changing motor drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760985.9U CN203548812U (en) | 2013-11-27 | 2013-11-27 | Two-way automatic speed changing motor drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548812U true CN203548812U (en) | 2014-04-16 |
Family
ID=50466933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760985.9U Withdrawn - After Issue CN203548812U (en) | 2013-11-27 | 2013-11-27 | Two-way automatic speed changing motor drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591261A (en) * | 2013-11-27 | 2014-02-19 | 屠申田 | Bidirectional automatic speed changing motor drive mechanism |
-
2013
- 2013-11-27 CN CN201320760985.9U patent/CN203548812U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591261A (en) * | 2013-11-27 | 2014-02-19 | 屠申田 | Bidirectional automatic speed changing motor drive mechanism |
| CN103591261B (en) * | 2013-11-27 | 2016-02-10 | 屠申田 | A kind of bidirectional automatic gear shifting motor transmission mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016011921A1 (en) | Reduction ratio variable hub motor for electric bicycle | |
| CN201134723Y (en) | External rotor toothless mesh planet speed reducing electric hub | |
| CN201038911Y (en) | External rotor planet gear deceleration motor | |
| CN106958617B (en) | Energy feedback shock absorber based on automobile vibration | |
| CN103591261B (en) | A kind of bidirectional automatic gear shifting motor transmission mechanism | |
| CN102097892A (en) | Two-gear electrical control variable speed motor for electric motorcycle | |
| CN203548812U (en) | Two-way automatic speed changing motor drive mechanism | |
| CN105202131A (en) | Automobile generator transmission and control method thereof | |
| CN203243179U (en) | Novel speed reducing motor | |
| CN203727161U (en) | Locking type double-motor single-planet-row double reduction hybrid power system of engine | |
| CN204961726U (en) | Two -way automatic speed changing motor transmission | |
| CN110118251B (en) | Electromagnetic clutch type planetary gear reducer | |
| CN201928136U (en) | Two-gear electrically-controlled speed change motor of electric motorcycle | |
| CN202565097U (en) | Reduction mechanism used for low starting current motor | |
| CN204190553U (en) | The wheel hub motor of the automobile-used variable deceleration ratio of electrical salf-walking | |
| CN203796901U (en) | Bidirectional automatic speed-changing transmission mechanism | |
| CN109130837A (en) | A kind of electronic wheel apparatus of low-speed big and automobile | |
| CN202944204U (en) | Automatic speed changing power system of electrombile | |
| CN201985688U (en) | Tubular motor with automatic braking device | |
| CN103618405A (en) | Shock-resistant cranking motor for automobile | |
| CN202629056U (en) | Electrically and manually driven double input speed reducer for worm gear motor | |
| CN202176466U (en) | Pressure generator | |
| CN201816714U (en) | Mechanical variable speed electric hub | |
| CN214959009U (en) | Hub motor for electric vehicle | |
| CN203617833U (en) | Novel impact-resistant automobile starting motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |