CN108974240A - A kind of bicycle or electric bicycle transmission device - Google Patents
A kind of bicycle or electric bicycle transmission device Download PDFInfo
- Publication number
- CN108974240A CN108974240A CN201710401157.9A CN201710401157A CN108974240A CN 108974240 A CN108974240 A CN 108974240A CN 201710401157 A CN201710401157 A CN 201710401157A CN 108974240 A CN108974240 A CN 108974240A
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- rotation
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- transmission device
- cabinet
- driving
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 239000003921 oil Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 22
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
Abstract
The present invention provides a kind of bicycle or electric bicycle transmission devices, belong to the transmission system field of bicycle or electric bicycle.Comprising: the first driving member, for transmitting the pedalling force from crank axle；Torque axis, one end are connected with the first driving member, and are configured to rotatable around first rotation under the drive of the first driving member；Second driving member is connected with the other end of torque axis, for transmitting the torsion of torque axis；With flower-drum or motor, it is connected with the second driving member, and is configured to rear-wheel hub rotation rotatable around the second rotation axis under the drive of the second driving member, to be connected with driving with flower-drum or motor, and then drives the rotation of the rear-wheel of bicycle or electric bicycle.Compared with the technical solution for using transmission shaft driven system in the prior art, transmission device of the invention carries out ingehious design using conventional gear, and structure is by a relatively simple, and not high to the required precision of flower-drum, and installation effectiveness can be improved.
Description
Technical field
The present invention relates to the transmission systems of bicycle or electric bicycle, more particularly to a kind of bicycle or electrical salf-walking
Vehicle transmission device.
Background technique
Though the shared bicycle occurred for nearly 2 years, electric vehicle meet public travel requirement, its kind of drive is most of still
So it is driven using sprocket wheel chain.Although this drive mechanism is provided with chain baffle, but still fall within open-drive configuration, rides
The trouser legs of passerby or skirt are easy to by chain or sprocket wheel winding or break by the teeth, even result in bicyclist and fall down and cause property or people
Body injury.Simultaneously as fatigue stretches chain material for a long time, it is easy to happen fracture in use for some time or falls off, needs
Again it to safeguard or install, bring many worries to bicyclist in this way.Electric bicycle is there is also the above problem, city in recent years
Occur the transmission system that transmission shaft replaces chain drive on field, but there is problems:
Firstly, there are the disadvantages that installation is inconvenient.Spiral bevel gear is higher to installation dimension required precision, to manufacturer's essence
Spend more demanding, and rear drum assembly is generally standard component, and precision is not by far up to the mark, and is unable to satisfy spiral bevel gear installation
The requirement of precision.To achieve the purpose that noise is small, shake is small, it is necessary to carry out trial assembly adjusting by gasket of varying thickness, waste is big
The time is measured, working efficiency is reduced.
Second, influence the service life.After being engaged due to rear axle driving gear with rear axle driven gear, it is not in one and completely encloses
Space in, and with grease lubrication, though there is dustproof construction, inevitable dust enters in long-play, in working gear
When, dust and lubricating grease mutually merge, and are attached to gear surface, increase the frictional force of gear surface indirectly, increase tooth
Foot wheel abrasion.Lubricating grease also opposite solidification simultaneously, loses lubricant effect gradually.Due to can not accurately grasp lose lubrication it is specific when
Between, gear is run under conditions of a unlubricated medium, to influence gear life, eventually leads to the contracting of overall mechanism service life
It is short.
Third, maintenance is inconvenient, and time cost is high.It is not totally enclosed dust-proof due to having outside rear axle driving gear and driven gear
Structure, when adding lubricating grease need to tool by dust cover take down could operation, however few related tools of average family,
And some dustproof constructions use profile tool, so that personal or household maintenance is more difficult, going maintenace point maintenance, then waste is big
The waiting time of amount, to bring more inconvenience to maintenance.
4th, occur the totally enclosed transmission shaft in front and back in existing market, but lack between its transmission shaft and flower-drum or motor shaft
The case where lacking supporting point, being easy to appear motor shaft and transmission shaft decentraction in assembling process, and motor uses special motor and flower
Drum, launches rear drum and the damage of large area and abnormal sound occurs in motor, while flower-drum and motor cost are excessively high, cause to consume
The unnecessary economic expenditure of person.
Summary of the invention
It is an object of the present invention to provide a kind of bicycle or electric bicycle transmission device, to solve using sprocket wheel
Chain breakage brought by chain drive or fall off, property or personal injury caused by bicyclist and maintenance difficult etc. are asked
Topic.
Further aim of the present invention is after rear axle driving gear to be solved is engaged with rear axle driven gear, to be not in one
The problem that brought maintenance is inconvenient in completely enclosed space and gear life is short.
It is connected through a screw thread another further object of the present invention is to prior art driving tooth to be solved and pawl seat
In mode, the problems such as difficulty of processing of components is big, production efficiency is low, homogeneity of product and stability are poor.
Particularly, the present invention provides a kind of bicycle or electric bicycle transmission devices, comprising:
First driving member, for transmitting the pedalling force from crank axle；
Torque axis, one end are connected with first driving member, and are configured to the band in first driving member
It is rotatable around first rotation under dynamic；
Second driving member is connected with the other end of the torque axis, for transmitting the torsion of the torque axis；With
Flower-drum or motor are connected with second driving member, and are configured to the band in second driving member
It is rotatable around the second rotation axis under dynamic, to drive the rear-wheel hub being connected with the flower-drum or motor rotation, and then described in driving
The rotation of the rear-wheel of bicycle or electric bicycle.
Further, first driving member includes:
First driving gear is meshed with the crank axle, for rotating under the drive of the crank axle around third
Axis is rotatable；With
First driven gear is meshed with first driving gear, is used for first driving gear around described
The translating rotation of third rotation axis is rotation of first driven gear around the first rotation；
Wherein, first driven gear is configured to be connected with one end of the torque axis, so that the torque axis
It is rotatable around the first rotation under the drive of first driven gear.
Further, second driving member includes:
Second driving gear is connected with the other end of the torque axis, under the drive of the torque axis around institute
It is rotatable to state first rotation；With
Second driven gear is meshed with second driving gear, is used for second driving gear around described
The translating rotation of first rotation is rotation of second driven gear around second rotation axis；
Wherein, second driven gear is configured to be connected with one end of the flower-drum or motor, with driving with it is described
The rear wheel that flower-drum or motor are connected.
Further, there is a type chamber, the type is intracavitary to be included in second driving gear
Ratchet, one end are connected with the other end of the torque axis, under the drive of the torque axis around described
One rotation axis is rotatable；With
Pawl component is configured to carry out the ratchet when the ratchet is rotated with the first direction of rotation
Limit, is rotated with limiting the ratchet relative to the type chamber, so that the ratchet drives the second driving gear rotation,
And when the ratchet is rotated with the second direction of rotation opposite with first direction of rotation, the pawl component can
It is moved under the promotion of the gear teeth of the ratchet along the direction far from the type chamber center line, so that the ratchet is with respect to institute
The rotation of type chamber is stated, to be unable to drive the second driving gear rotation.
Further, the transmission device further include:
Protective case is configured along the outer peripheral surface circumferentially around the torque axis of the torque axis, and described
There is a gap between the outer peripheral surface of torque axis and the inner peripheral surface of the protective case；
Optionally, second rotation axis is parallel with the third rotation axis.
Further, the flower-drum or motor include:
First end is connected, in second driven gear with second driven gear by splined shaft
It is rotatable around the second rotation axis under drive；With
The second end is reversed with the first end.
Further, the transmission device further include:
First cabinet, for by one end of first driving member, the torque axis and at least partly described crank axle
It is arranged in first cabinet；With
First lid, has the first opening and first end face, and first opening is constructed to be permeable to from the torque axis
One end passes through, and the first end face is connected with first cabinet, for sealing first cabinet.
Further, the transmission device further include:
Second cabinet, for by the other end of second driving member, the torque axis and the flower-drum or motor
First end is arranged in second cabinet；With
Second lid, has the second opening and second end face, and second opening is constructed to be permeable to from the torque axis
The other end passes through, and the second end face is connected with second cabinet, for sealing second cabinet.
Further, the lubricant medium between first driving gear and first driven gear is lubricating oil, institute
Stating the lubricant medium between the second driving gear and second driven gear is lubricating oil；
Wherein, first cabinet and second cabinet all have oil filler point and drain oil, set at the oil filler point
It is equipped with oiling bolt, is provided with oil discharge screw at the drain oil, with real by the oiling bolt and the oil discharge screw
The replacement of the existing lubricating oil.
Further, the second end of the flower-drum or motor is fixed on the vehicle of the bicycle or electric bicycle
At frame chain stay.
The solution of the present invention due to being driven using torque axis driving member, and is coated in torque axis outer peripheral surface
Therefore protective case is not in be driven brought chain breakage using sprocket wheel chain or fall off, the property caused by bicyclist
Or the problems such as personal injury and maintenance difficult.Compared with the technical solution for using transmission shaft driven system in the prior art, this
The transmission device of invention carries out ingehious design using conventional gear, and structure is by a relatively simple, and the required precision to flower-drum
It is not high, installation effectiveness can be improved.
Further, each gear is to be in first or second cabinet, and first or second cabinet is enclosed construction,
Dust is hardly entered during long-play, dust is avoided to improve the service life of gear to the frictional force of gear surface.
And also there is oil filler point and drain oil at first and second cabinet, by between oiling bolt and oil discharge screw realization gear
The replacement of lubricating oil.Thus it provides convenience for the replacement of lubricating oil, while improving oil change efficiency.
Further, compared with the technical solution for being in the prior art connected through a screw thread rear axle driving tooth and pawl seat,
Ratchet and pawl component are assembled in the second driving gear of the invention, i.e. pawl slot fusion is in the second driving gear, spine
Wheel is used as individual part, improves assembly efficiency.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the signal of the bicycle of transmission device according to an embodiment of the invention or the power train of electric bicycle
Property side elevation view；
Fig. 2 is the sectional view of transmission device according to an embodiment of the invention；
Fig. 3 is the sectional view of the second driving gear combination according to an embodiment of the invention；
Fig. 4 is the sectional view that the second driving gear combination shown in Fig. 3 is cut along the line A-A of Fig. 3.
Specific embodiment
Fig. 1 shows the bicycle of transmission device according to an embodiment of the invention or the power train of electric bicycle
Schematic side elevation view.As shown in Figure 1, the transmission device is arranged in the power train of bicycle or electric bicycle.Power train
Generality may include a pair of pedals 51, a pair of of crank arm 50, transmission device and rear-wheel hub 49.Pedal 51 is respectively rotatably pacified
It is attached to the free end of crank arm 50.The inner end of crank arm 50 is respectively fixed to the opposite end of the crank axle 5 of transmission device.For certainly
The power train of driving or electric bicycle, the pedalling force acted on pedal 51 are transmitted to rear-wheel hub 49 via drive path.Its
In, drive path is by crank arm 50 to transmission device, then arrives rear-wheel hub 49.The rear-wheel hub 49 can be connected to flower-drum or motor
48, so that the rear wheel of bicycle or electric bicycle rotates.It is understood that when for bicycle, the rear-wheel hub 49
Flower-drum can be connected to.When for electric bicycle, which can be connected to motor, which can be integrated wheel electricity
Machine.It is illustrated by taking bicycle as an example below.
Fig. 2 shows the sectional views of transmission device according to an embodiment of the invention.Fig. 2 is indicated from edge shown in FIG. 1
The sectional view seen perpendicular to the direction of paper.As depicted in figs. 1 and 2, which is connected with crank axle 5, another
End is connected with rear-wheel hub 49, in response to the pedalling force acted on pedal 51, for the pedalling force to be transmitted to rear-wheel hub
49。
As depicted in figs. 1 and 2, which may include the first biography for transmitting the pedalling force for crank axle 5 of making a return journey
Dynamic component.First driving member may include the first driving gear 8 and the first driven gear 19.The transmission device can also wrap
Include the first cabinet 4 and the first lid 22.The small end part of first cabinet 4 runs through frame five-through 3, and is sequentially loaded into improved mat
2 and retaining ring 1.It is connected with each other between the retaining ring 1 and first cabinet 4 by screw thread.First driving gear 8 is arranged at this
It in first cabinet 4, and is meshed with crank axle 5, in response to the rotation process of crank axle 5, to be grasped in the rotation of the crank axle 5
It is rotated under the drive of work around third rotation axis.First driven gear 19 be arranged in the first cabinet 4, and with this first actively
Gear 8 is meshed, and can be rotated under the drive of the first driving gear 8, and the first driving gear 8 is rotated around third
The translating rotation of axis is rotation of first driven gear 19 around first rotation.First lid 22 has first end face,
The first end face is connected with the first cabinet 4, for sealing the first cabinet 4.
The transmission device can also include torque axis 24 and with the second driving member.24 one end of torque axis and first biography
Dynamic component is connected, and the other end is connected with second driving member, and is constructed to be permeable under the drive of the first driving member
It is rotatable around first rotation.One end of the torque axis 24 is specifically connected with the first driven gear 19 of the first driving member
It connects, and can be rotatable around first rotation under the drive of the first driven gear 19.First lid 22 can also include
First opening, which is configured to pass through from one end of the protective case 23 of torque axis 24, and passes through first end face reality
Now to the sealing of the first cabinet 4.The protective case 23 is configured along the outer peripheral surface circumferentially around torque axis 24 of torque axis 24,
To realize the cladding to torque axis 24, to protect bicyclist to escape injury.And the outer peripheral surface of torque axis 24 and protective case 23
There is a gap, to prevent torque axis 24 from causing to wear to the inner peripheral surface of protective case 23 when rotating between inner peripheral surface.Second biography
Dynamic component can receive the torsion of torque axis 24, and the torsion is transferred to the flower-drum being connected with second driving member.It should
Flower-drum is configured to rear-wheel hub rotatable around the second rotation axis under the drive of the second driving member, to be connected with driving with flower-drum
49 rotations, and then drive the rear-wheel rotation of bicycle.
The transmission device can also include the second cabinet 29 and the second lid 25.Second driving member may include second
Driving gear 42 and the second driven gear 35.The flower-drum or motor 48 have first end and opposite with the first end second
End.The second end of 48 axis of the flower-drum or motor and cycle frame lower-left chain stay 13 pass through the first lock washer 151 and the
The one mutually locking connection of locking nut 14.The first end passes through second cabinet 29, and passes through the second lock washer 152 and the
The two mutually lockings of locking nut 16.Second cabinet 29 has vehicle frame fixation hole 29a, by the vehicle frame fixation hole 29a and is somebody's turn to do certainly
It is inter-connected via a bolt joint and locks on the right side of driving vehicle frame.Second driving gear 42 is arranged in second cabinet 29, and
It is connected with the other end of torque axis 24, it can be rotatable around first rotation under the drive of torque axis 24.This second
The setting of driven gear 35 is meshed in second cabinet 29, and with second driving gear 42, can be by the second driving tooth
Wheel 42 is rotation of second driven gear 35 around the second rotation axis around the translating rotation of first rotation.The flower-drum or motor
48 first end outer cover is equipped with spline housing, and is connected by splined shaft 33 with second driven gear 35.This second
Lid 25 has second end face and the second opening, which is connected with the second cabinet 29, for sealing the second cabinet 29.It should
Second lid 25 can also include the second opening, which is configured to can be from the other end of the protective case 23 of torque axis 24
It passes through, and the sealing to the second cabinet 29 is realized by second end face.
Fig. 3 shows the sectional view of the second driving gear combination 26 according to an embodiment of the invention.Fig. 4 shows figure
The sectional view that the combination of second driving gear shown in 3 26 is cut along the line A-A of Fig. 3.As shown in Figure 3 and Figure 4, second driving tooth
There is a type chamber in wheel 42.The type is intracavitary to have ratchet and pawl component.The ratchet one end is connected with the other end of torque axis 24
It connects, with rotatable around first rotation under the drive of torque axis 24.The pawl component includes pawl 44 and detent spring 45.It should
Pawl component is configured to limit the ratchet when the ratchet is rotated with the first direction of rotation, to limit the spine
Wheel is rotated relative to the type chamber, so that the ratchet drives the type chamber to rotate, and then drives the rotation of the second driving gear 42, and
When the ratchet is rotated with the second direction of rotation opposite with first direction of rotation, which can be in the ratchet
It is moved under the promotion of the gear teeth along the direction far from the type chamber center line, so that the ratchet is rotated relative to the type chamber, thus nothing
Method drives second driving gear 42 to rotate.It second driving gear 42, type chamber and is constituted positioned at the intracavitary pawl component of the type
Second driving gear combination 26.The type chamber includes pawl base preformed groove, pawl preformed groove and ratchet chamber 42a.
The solution of the present invention, due to being driven using 24 driving member of torque axis, and in 24 periphery bread of torque axis
Be covered with protective case 23, therefore, be not in using sprocket wheel chain be driven brought by chain breakage or fall off, bicyclist caused
Property or personal injury and the problems such as maintenance difficult.With the technical solution phase for using transmission shaft driven system in the prior art
Than transmission device of the invention carries out ingehious design using conventional gear, and structure is by a relatively simple, and to the precision of flower-drum
It is of less demanding, installation effectiveness can be improved.
In one embodiment, the assembly method of second driving gear 42 is that pawl base 43 is placed in pawl base and is reserved
In slot, pawl 44 is placed in pawl preformed groove, detent spring 45 is passed sequentially through into pawl preformed groove and pawl base preformed groove, and solid
It is scheduled on pawl base 43.The pawl 44 and detent spring 45 constitute the pawl component.The pawl component is placed in the second driving tooth
In the ratchet chamber 42a of wheel 42.The type chamber further includes supporting block preformed groove and block preformed groove.It is pre- that supporting block 46 is screwed in into supporting block
It stays in slot, block 47 is screwed in block preformed groove.47 one end of block is threadedly coupled with the second driving gear 42.The supporting block
46 and 47 collective effect of block with fixed pawl seat 43.In Fig. 2 into embodiment shown in Fig. 4, when ratchet rotates clockwise
When, which can move under the promotion of the gear teeth of the ratchet along the direction far from the type chamber center line, so that ratchet
The type chamber of being unable to drive rotates together, is rotated to be unable to drive the second driving gear 42, at this point, driving gear is in static
State, rear-wheel hub 49 do not rotate.When ratchet rotates counterclockwise, which can limit the ratchet, should with limitation
Ratchet is rotated relative to the type chamber so that the ratchet drives the type chamber to rotate together, and then drive the second driving gear 42 into
Row rotation at this point, driving gear is rotated together with torque axis 24, and then drives rear-wheel hub 49 to rotate.
In one embodiment, the first cabinet 4 has the first case lid 11 being reversed with the first cabinet 4, first case
Body 4 and the first case lid 11 are hollow, and are reserved with the first space in the first cabinet 4, are reserved in first case lid 11
Two spaces.First bearing 7 and the first oil sealing 6 are installed respectively in the first space, second bearing 9 is installed respectively in second space
With the second oil sealing 12.First sealing ring 10 is placed in the first case lid 11 at the position of second space.By the first driving tooth
Wheel 8 is packed into the inner ring of the second bearing 9.One end of crank axle 5 sequentially passes through first oil sealing 6 and first bearing 7, the other end according to
It is secondary to pass through the first driving gear 8, second bearing 9, the second oil sealing 12 and the first sealing ring 10.First driving gear 8 and the crank
The spline 8a of axis 5 is connected.It is connected with each other by the way of pressing and welding between first lid 22 and protective case 23.Second lid
It is also connected with each other by the way of pressing and welding between body 25 and protective case 23.The end face bolt 18 of first driven gear 19 revolves
Enter the first driven gear 19, and first driven gear 19 is packed into 3rd bearing 20,3rd bearing 20 is placed in the first lid
In 22 preformed groove, and it is inserted in the second sealing ring 17, the profile form for being placed in the first cabinet 4 is intracavitary, uses the first clamping screw
It is locked.24 one end of torque axis is penetrated in the preformed groove of the first driven gear 19.Second driving gear combination 26 is packed into
Fourth bearing 27 is placed in the reserved space of the second lid 25.The inner hole and torque axis 24 of pawl base 43 are connected with each other, and
The torque axis 24 is six square shaft of entire body.Third sealing ring 28 is mounted on the outer ring of the second lid 25.Successively by support pad 30,
Third oil sealing 31 and the first needle bearing 32 are packed into the second cabinet 29, and are connected with each other with the second lid 25.Second driving gear
It is intracavitary that combination 26 is placed in 29 type of the second cabinet, is connected with each other locking by the second clamping screw 21 between the two.By the 4th oil sealing
39 and 5th bearing 36 be sequentially loaded into the second case lid 38, will the 4th sealing ring 37 be packed into the second case lid 38 preformed groove in.By
Two needle bearings 34 are packed into splined shaft 33, and the lesser small end of diameter of the second driven gear 35 from splined shaft 33 penetrates, and screws.
Second driven gear 35 is threadedly coupled with splined shaft 33.By being relatively large in diameter after the combination of the second driven gear 35 and splined shaft 33
Big end be packed into 5th bearing 36 on, and run through 5th bearing 36 and the 4th oil sealing 39 centre bore.By above-mentioned group install zero
Component is packed into the second cabinet 29 and screws, and is attached between the second cabinet 29 and the second case lid 38 by screw thread.Motor shaft or
The outside of flower drum shaft is in contact with the inside of the second needle bearing 34, and plays a supporting role.Above-mentioned all sealing ring and oil
The effect of envelope is sealing function.
Wherein, the lubricant medium between first driving gear 8 and first driven gear 19 is lubricating oil, second master
Lubricant medium between moving gear 42 and second driven gear 35 is lubricating oil.First cabinet 4 and second cabinet 29 are equal
With oil filler point and drain oil, it is provided with oiling bolt 40 at the oil filler point, oil discharge screw 41 is provided at the drain oil,
To realize the replacement of the lubricating oil by the oiling bolt 40 and the oil discharge screw 41.
Each gear is and the first cabinet 4 or the second cabinet 29 in the first cabinet 4 or the second cabinet 29 in the present invention
For enclosed construction, dust is hardly entered during long-play, dust is avoided to improve tooth to the frictional force of gear surface
The service life of wheel.And also there is oil filler point and drain oil at first cabinet 4 and the second cabinet 29, pass through oiling bolt 40
And oil discharge screw 41 realizes the replacement of the lubricating oil between gear.Thus it provides convenience for the replacement of lubricating oil, improves simultaneously
Oil change efficiency.
Compared with the technical solution for being in the prior art connected through a screw thread rear axle driving tooth and pawl seat, of the invention
There is ratchet chamber 42a in two driving gears 42, and be provided with pawl base 43, pawl component can be directly installed on to the pawl base
In 43, and the pawl base 43 is fixed in ratchet chamber 42a by limit assembly.Therefore, ratchet is used as list during installation
Only part, greatly improves assembly efficiency.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of bicycle or electric bicycle transmission device, comprising:
First driving member, for transmitting the pedalling force from crank axle；
Torque axis, one end are connected with first driving member, and are configured under the drive of first driving member
It is rotatable around first rotation；
Second driving member is connected with the other end of the torque axis, for transmitting the torsion of the torque axis；With
Flower-drum or motor are connected with second driving member, and are configured under the drive of second driving member
Rotatable around the second rotation axis, to drive the rear-wheel hub being connected with the flower-drum or motor rotation, and then driving is described voluntarily
The rotation of the rear-wheel of vehicle or electric bicycle.
2. transmission device according to claim 1, wherein first driving member includes:
First driving gear is meshed with the crank axle, under the drive of the crank axle around third rotation axis
It is rotatable；With
First driven gear is meshed with first driving gear, is used for first driving gear around the third
The translating rotation of rotation axis is rotation of first driven gear around the first rotation；
Wherein, first driven gear is configured to be connected with one end of the torque axis, so that the torque axis is in institute
It states rotatable around the first rotation under the drive of the first driven gear.
3. transmission device according to claim 2, wherein second driving member includes:
Second driving gear is connected with the other end of the torque axis, under the drive of the torque axis around described
One rotation axis is rotatable；With
Second driven gear is meshed with second driving gear, is used for second driving gear around described first
The translating rotation of rotation axis is rotation of second driven gear around second rotation axis；
Wherein, second driven gear is configured to be connected with one end of the flower-drum or motor, with driving and the flower-drum
Or the rear wheel that motor is connected.
4. transmission device according to claim 3, wherein have a type chamber, the type chamber in second driving gear
Inside include
Ratchet, one end are connected with the other end of the torque axis, to revolve under the drive of the torque axis around described first
Shaft axis is rotatable；With
Pawl component is configured to limit the ratchet when the ratchet is rotated with the first direction of rotation
Position, is rotated with limiting the ratchet relative to the type chamber, so that the ratchet drives the second driving gear rotation, and
When the ratchet is rotated with the second direction of rotation opposite with first direction of rotation, the pawl component can be
It is moved under the promotion of the gear teeth of the ratchet along the direction far from the type chamber center line, so that the ratchet is relatively described
Type chamber rotation, to be unable to drive the second driving gear rotation.
5. transmission device described in any one of -4 according to claim 1, wherein the transmission device further include:
Protective case is configured along the outer peripheral surface circumferentially around the torque axis of the torque axis, and the torque
There is a gap between the outer peripheral surface of axis and the inner peripheral surface of the protective case；
Wherein, second rotation axis is parallel with the third rotation axis.
6. transmission device according to any one of claims 1-5, wherein the flower-drum or motor include:
First end is connected, in the drive of second driven gear with second driven gear by splined shaft
Under it is rotatable around the second rotation axis；With
The second end is reversed with the first end.
7. transmission device according to claim 6, wherein the transmission device further include:
First cabinet, for one end of first driving member, the torque axis to be arranged at least partly described crank axle
In first cabinet；With
First lid, has the first opening and first end face, and first opening is constructed to be permeable to one end from the torque axis
It passes through, the first end face is connected with first cabinet, for sealing first cabinet.
8. transmission device described in any one of -7 according to claim 1, wherein the transmission device further include:
Second cabinet, for by the first of the other end of second driving member, the torque axis and the flower-drum or motor
End is arranged in second cabinet；With
Second lid, has the second opening and second end face, and second opening is constructed to be permeable to from the another of the torque axis
End is across the second end face is connected with second cabinet, for sealing second cabinet.
9. transmission device according to claim 8, wherein between first driving gear and first driven gear
Lubricant medium be lubricating oil, lubricant medium between second driving gear and second driven gear is lubricating oil；
Wherein, first cabinet and second cabinet all have oil filler point and drain oil, are provided at the oil filler point
Oiling bolt is provided with oil discharge screw at the drain oil, to realize institute by the oiling bolt and the oil discharge screw
State the replacement of lubricating oil.
10. transmission device according to claim 1 to 9, wherein the second end of the flower-drum or motor
Portion is fixed at the vehicle frame chain stay of the bicycle or electric bicycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401157.9A CN108974240A (en) | 2017-05-31 | 2017-05-31 | A kind of bicycle or electric bicycle transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401157.9A CN108974240A (en) | 2017-05-31 | 2017-05-31 | A kind of bicycle or electric bicycle transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108974240A true CN108974240A (en) | 2018-12-11 |
Family
ID=64501438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710401157.9A Pending CN108974240A (en) | 2017-05-31 | 2017-05-31 | A kind of bicycle or electric bicycle transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108974240A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191019465A (en) * | 1911-02-18 | 1911-09-21 | Thomas Alfred Ernest Nicholson | Improvements in and relating to Driving-mechanism for Cycles and like Vehicles. |
| DE2717305A1 (en) * | 1976-04-21 | 1977-11-03 | Shimano Industrial Co | BICYCLE SHIFT HUB |
| CN1055712A (en) * | 1990-04-16 | 1991-10-30 | 王启振 | The driving device of motor and pedal cycle |
| CN2429432Y (en) * | 2000-09-21 | 2001-05-09 | 鞍山市帅飞鞍自行车有限公司 | Gear drive of speed variable bicycle |
| CN103935460A (en) * | 2014-04-17 | 2014-07-23 | 重庆通盛建设工业有限公司 | Bicycle shaft driving system assembly |
| CN104859784A (en) * | 2015-06-05 | 2015-08-26 | 宋兴辉 | Transmission assembly for bicycle and electric bicycle |
| CN206938996U (en) * | 2017-05-31 | 2018-01-30 | 卢金堂 | A kind of bicycle or electric bicycle transmission device |
-
2017
- 2017-05-31 CN CN201710401157.9A patent/CN108974240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191019465A (en) * | 1911-02-18 | 1911-09-21 | Thomas Alfred Ernest Nicholson | Improvements in and relating to Driving-mechanism for Cycles and like Vehicles. |
| DE2717305A1 (en) * | 1976-04-21 | 1977-11-03 | Shimano Industrial Co | BICYCLE SHIFT HUB |
| CN1055712A (en) * | 1990-04-16 | 1991-10-30 | 王启振 | The driving device of motor and pedal cycle |
| CN2429432Y (en) * | 2000-09-21 | 2001-05-09 | 鞍山市帅飞鞍自行车有限公司 | Gear drive of speed variable bicycle |
| CN103935460A (en) * | 2014-04-17 | 2014-07-23 | 重庆通盛建设工业有限公司 | Bicycle shaft driving system assembly |
| CN104859784A (en) * | 2015-06-05 | 2015-08-26 | 宋兴辉 | Transmission assembly for bicycle and electric bicycle |
| CN206938996U (en) * | 2017-05-31 | 2018-01-30 | 卢金堂 | A kind of bicycle or electric bicycle transmission device |
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