CN1040630C

CN1040630C - Ultrathin rim type magnetic driving unit for bicycles

Info

Publication number: CN1040630C
Application number: CN93108049A
Authority: CN
Inventors: 李宜和
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-20
Filing date: 1993-07-07
Publication date: 1998-11-11
Anticipated expiration: 2013-07-07
Also published as: CN1102812A

Abstract

The present invention relates to a driving device of a bicycle, which is especially suitable for an automotive driving device required by a portable bicycle. The present invention has the structure that a rotor is a circular sheet film printing coil rotor and is in pivot joint with a shaft center of a bicycle through a fixed bearing seat; a stator is a flat box of which both inner sides are inlaid with a permanent magnet block, is covered outside the rotor, and is fixedly connected with the shaft center of a bicycle; a speed reducer is a planetary speed reducer which is provided with a central gear, a planet gear and an outer ring and is output by the gears and a clutch, and is fixedly connected with the fixed bearing seat through the central gear, and the outer ring and the outer shell of the clutch are fixed. Therefore, the present invention has the advantages of large force moment, high speed, light weight and small volume.

Description

Ultrathin rim type magnetic driving unit for bicycles

The present invention relates to a kind of bicycle driving device, especially be applicable to the motor driving device that the hand-held design bicycle is required.

At present, the rotor of common bicycle magnetic driving equipment is that silicon steel sheet, copper coil structure, permanent magnet all are arranged on periphery, magnetic patch is thick, weight is big, and the area that can produce magnetic line of force is little, thereby not only power consumption but also the moment of rotation that produces were also little, add common gear reducer, whole volume is big, weight is big, requires great effort, carries trouble by bike.

In view of this, the purpose of this invention is to provide a kind of ultrathin rim type magnetic driving unit for bicycles, can produce strong magnetic line of force, increase the driving of moment of rotation, the big reduction of speed of acquisition, can alleviate the weight and the fast running of actuating device.

The object of the present invention is achieved like this: a kind of ultrathin rim type magnetic driving unit for bicycles comprises the axletree heart, rotor, stator, retarder and shell, rotor is articulated in axletree in the heart through fixed bearing block, and stator is the flat box that two inboards stud with permanent-magnet block, and it is outer and be fixedly connected on axletree in the heart to cover on rotor, retarder is again a kind of sun gear that has, planetary wheel, outer shroud is by the epicyclic reduction gear of gear and power-transfer clutch output, be fixedly connected on the said fixing bearing seat with sun gear, and the outer shroud of power-transfer clutch is captiveed joint with shell, in addition, the outer rim of shell is captiveed joint with the steel ring of wheel tyre with the wheel steel wire, it is characterized in that: rotor is the film printing coil of multifilm combination.

Owing to the employing such scheme, the magnetic effect height, it is big to produce moment of rotation, saves power supply, in light weight, and it is fast to ride, and moves lightly, and the while volume also reduces.

The present invention is further described below in conjunction with drawings and Examples.

The bicycle outside drawing of the existing no magnetic driving equipment of Fig. 1 (A).

The outside drawing of Fig. 1 (B) embodiment of the invention.

Fig. 2 is the actuating device of the embodiment of the invention and battery, handgrip position view.

Fig. 3 is the driving device structure assembly drowing of the embodiment of the invention.

Fig. 4 is the outside drawing of the actuating device of the embodiment of the invention.

Fig. 5 is the three-dimensional cutaway view of the actuating device of the embodiment of the invention.

Fig. 6 is decomposition, the combination scheme drawing of the actuating device of the embodiment of the invention.

Fig. 7 is the permanent magnet and the epicyclic reduction gear position view of the actuating device of the embodiment of the invention.

Fig. 8 is the actuating device epicyclic reduction gear position view of the embodiment of the invention.

Fig. 9 is the actuating device permanent magnet position view of the embodiment of the invention.

Figure 10 (A) is the actuating device film printing coil rotor and the permanent magnet scheme drawing of the embodiment of the invention.

Figure 10 (B) is the structural representation of the actuating device fixed bearing block of the embodiment of the invention.

Figure 11 is the actuating device carbon brush structure scheme drawing of the embodiment of the invention.

Figure 12 is the actuating device clutch configuration scheme drawing of the embodiment of the invention.

Among the figure:

001 shell, the 002 axletree heart, 003 fixed bearing block, 004 film printing coil rotor, 005 set collar, 006 bearing, 007 carbon brush (DC power cathode), 007A carbon brush (DC positive source), 008 carbon brush negative earth line, the anodal conducting terminal of 009 carbon brush, 010 positive source conducting terminal, the front end of 011 carbon brush, the permanent magnet of 012 stator A face, the permanent magnet stationary annular sense base of 013 stator A face, 014 stator A face, 015 epicyclic reduction gear, 016 stator A, B face faying face, the permanent magnet of 017 stator B face, the permanent magnet stationary annular sense base of 018 stator B face, keyway and key that the 019 stator B face and the axletree heart are fixing, the planetary wheel of 020 epicyclic reduction gear, the planetary wheel supporting of 021 epicyclic reduction gear, the planetary gear bearing of 022 epicyclic reduction gear, the planetary wheel support plinth dish of 023 epicyclic reduction gear, the power-transfer clutch rotary seat of 024 epicyclic reduction gear, the interior ring of the power-transfer clutch of 025 epicyclic reduction gear, the retainingf key that the power-transfer clutch outer shroud of 026 planetary gear speed-reduction combines with shell, the power-transfer clutch outer shroud of 027 epicyclic reduction gear, 028 bearing, the sun gear of 029 epicyclic reduction gear, the key that 030 sun gear and fixed bearing block are fixing, 031 threaded hole of steel that combines with the bicycle quick steel ring, 032 bearing, 033 rotor A face, the outer shroud inner gear of 034 planetary reduction gear, 035 rotor B face, 036 bearing, 037 bearing, 038 rotor A, the edge of B face combination, 039 rotor A, the fixing threaded hole of B face combination, the 040 axletree heart and the flat head of car front and rear fork bonded assembly, the set collar of 041 fixed rotor A face, the 042 fixing retainingf key of outer shroud inner gear and stator A face, the keyway that 043 sun gear and fixed bearing block are fixing, the carbon copper rod of 044 carbon brush, 045 carbon brush inside conductor, 046 carbon-brush spring, 047 carbon brush conducting strip, 048 carbon brush fixed cap, the fixing spiral shell of 049 carbon brush and stator B face emits 050 stator B face, 051 film printing coil rotor A face printed coil, 052 film printing coil rotor B face printed coil, 053 film printing coil rotor A, B face printed coil copper platinum welding end, 054 wheel steel wire, 055 wheel tyre, 056 battery box, the slotting Cuo of 057 battery box charging, 058 power control speed socket, 059 manually control speed handle, 060 power-transfer clutch ratchet, 062 power-transfer clutch pawl slot.

In Fig. 1 (B) is embodiment illustrated in fig. 12:

The wheel rim that the edge of this actuating device shell 001 connects in the vehicle tyre 055 with steel wire 054, Queensland and the power positive end of actuating device that the axletree heart 002 is drawn are led end 010 and are connected with the fast socket 058 of the power control on the battery box 056, do the low-angle rotation to 059 through manually control speed again, can reach the control moving velocity.In addition, when battery need charge, can be through charging socket 057 charging.

At first, system carries positive electricity to flow on the conducting end 009 of carbon brush 007A of stator B face 050 in direct current (DC) power supply of battery box 056 power positive end lead 010 in the axletree heart 002 centre hole, again electric current is sent on the front end 011 of the carbon brush on the carbon brush 007A, this moment, electric current was sent to film printing coil rotor 004 (multilayer Mai Na or film), get back to battery box 056 through carbon brush 007 again, the magnetic line of force that produces and the permanent magnet 012 of stator, 017 makes the mutual cutting action of magnetic line of force, produce a strong rotating torque, promote film printing coil rotor 004 and fixed bearing block 003, and the sun gear 029 of drive epicyclic reduction gear, press planetary wheel ingear motion principle, sun gear 029 promotes the engagement of rolling of three planetary wheels 020 on profile inner gear 034, it is that output torque improves greatly that supporting 021 rotating speed that planet meshes 020 center reduces greatly, so, be sent to power-transfer clutch rotary seat 024 on the support plinth dish 023 through three supporting 021 rotations around sun gear 029, and ring 025 in the drive power-transfer clutch, power-transfer clutch outer shroud 027, again through retainingf key 026, pass to rotor A face 033, (rotor B face 035, fixing threaded hole 039 and rotor A face 033 are one), steel ring through wheel steel wire 054 connection tire 055 makes wheel tyre 055 fast running.

The present invention has the following advantages in sum:

1. the film printing coil rotor is that thin disk shape, stator are again that to cover on rotor outer corresponding flat The box-like shape consists of permanent magnetic iron block and can be in the major radius position, make the magnetic pole area big, and the footpath is again long, The moment that produces is big, and rotating speed is fast, thereby requires to reach identical moment and rotating speed, two common magnetic Force driving device is saved power supply.

2. in film printing coil rotor multilayer Mai Na (film) or PC plate printed coil group Close, more light than common silicon steel sheet, copper coil weight.

3. planetary reducer is bigger than common common deceleration, weight is little, volume is also little.

4. can respectively or be installed in this magnetic driving equipment in the forward and backward wheel rim simultaneously, as single-wheel or two-wheel transmission.

5. magnetic driving equipment of the present invention does not change under other structural condition of existing bicycle and is installed in front and rear wheel, and therefore, bicycle has foot-operated and the dual-purpose characteristic of power driven simultaneously concurrently.

Claims

1, a kind of ultrathin rim type magnetic driving unit for bicycles comprises the axletree heart, rotor, stator, retarder and shell, rotor is articulated in axletree in the heart through fixed bearing block, and stator is the flat box that two inboards stud with permanent-magnet block, and it is outer and be fixedly connected on axletree in the heart to cover on rotor, retarder is again a kind of sun gear that has, planetary wheel, outer shroud is by the epicyclic reduction gear of gear and power-transfer clutch output, be fixedly connected on the said fixing bearing seat with sun gear, and the outer shroud of power-transfer clutch is captiveed joint with shell, in addition, the outer rim of shell is captiveed joint with the steel ring of wheel tyre with the wheel steel wire, it is characterized in that: rotor is the film printing coil of multifilm combination.