CN208344459U - A kind of collapsible foot pedal lever driving device - Google Patents

Abstract

The utility model relates to a kind of collapsible foot pedal lever driving devices, including vehicle seat column, the cant beam and rear-wheel of vehicle seat column two sides are mounted on by central axis, cant beam has inner cavity, central axis passes through the inner cavity of cant beam, taper sheath is set on the central axis for being located at cant beam inner cavity, half gear is fixedly mounted on taper sheath, the bearing holder (housing, cover) of first flange bearing is on taper sheath, the installation of foot-driven lever one end is foot-operated, the other end of foot-driven lever is provided with sleeve, sleeve is fixedly set on taper sheath, first conical bearing and the second conical bearing are respectively installed on the central axis at taper sheath both ends；Chain wheel axis is installed between central axis and hind axle, the both ends of chain wheel axis respectively pass through the fixed certain ratchet of key；Double-layer gear is installed between chain wheel and half gear；The side for being located at installation chain wheel on rear-wheel is installed by gear-bearing；Gear-bearing is connected with chain wheel by chain.The foot pedal apparatus of the application design be free to fold, and meet the needs of folding bicycle used.

Description

A kind of collapsible foot pedal lever driving device

Technical field

The utility model relates to a kind of collapsible foot pedal lever driving devices, belong to folding electric bicycle technical field.

Background technique

Electric bicycle plays critically important effect to the trip of people, but also brings to traffic safe to a certain degree Hidden danger, with the appearance of country's 2018 new " electric bicycle technical specification of security ", electric bicycle has in technical aspect Mandatory provisions, this has positive effect to traffic safety hidden danger is eliminated, as the category of an electric bicycle, foldable Electric bicycle, have many advantages, such as that land occupation is few, it is easy to carry, but foot pedal apparatus affects the folding of electric bicycle, therefore How almost all of folding electric bicycle installs foot pedal apparatus all without foot-operated on electric bicycle, simultaneously The folder function of electric bicycle is not influenced again, this is the project to be studied of those skilled in the art.

Utility model content

The utility model in order to solve on folding electric bicycle install foot pedal apparatus while, do not influence The folding of electric bicycle provides a kind of collapsible foot pedal lever driving device.

The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of collapsible foot pedal lever driving device, Including vehicle seat column, the rear-wheel installing the cant beam of vehicle seat column two sides by central axis and being mounted between two cant beams, It is characterized in that, the cant beam has inner cavity, central axis passes through the inner cavity of cant beam, covers on the central axis for being located at cant beam inner cavity Taper sheath is filled, half gear is fixedly mounted on taper sheath, the bearing holder (housing, cover) of first flange bearing is mounted on taper sheath and method thereon Orchid is fixed on the cant beam wall on the outside of half gear, and the installation of foot-driven lever one end is foot-operated, and the other end of foot-driven lever is provided with sleeve, sleeve It is fixedly set on taper sheath, the first conical bearing and the second conical bearing is respectively installed on the central axis at taper sheath both ends, It is fixed at first conical bearing of foot-driven lever one end with the first nut；Chain wheel axis is installed between central axis and hind axle, in tooth The both ends of dish axle respectively pass through key and fix a ratchet, and tooth is fixedly mounted by key in the inside of a wherein ratchet Disk；Double-layer gear is installed between chain wheel and half gear, half gear is engaged with the pinion gear of double-layer gear, and ratchet is engaged in On the gear wheel of double-layer gear；The side for being located at installation chain wheel on rear-wheel is installed by gear-bearing；Gear-bearing and chain wheel pass through Chain connection.Above-mentioned structure description makes it be independent of each other primarily to realizing the foot-operated single movement in left and right, because half The presence of gear and ratchet, it is foot-operated that upper and lower free displacement may be implemented, while using above-mentioned structure, when half gear with When the tooth of pinion gear disengages, wheel not will drive foot-driven lever and move when retreating, and not influence the folding and use of electric vehicle.

Based on the above technical solution, the utility model is to reach the stability of the convenience and equipment that use, Following improvement can also be made to above-mentioned technical solution:

Further, half gear, double-layer gear, ratchet, chain wheel and the gear-bearing are located in the inner cavity of cant beam. The inner cavity of cant beam is set, space can be saved, it is beautiful, and also cant beam can use square steel tube, and internal existing space, there are also steady Fixed structure.

Further, the chain wheel ratchet ipsilateral with it is fixed on chain wheel axis by the same key.Make to install It is more compact.

Further, the 4th flange bearing is installed positioned at the outside of ratchet on the chain wheel axis, and passes through third spiral shell Mother is fixed.The bearing portions of 4th flange bearing is fixed on cant beam, is played the role of rotation smoothness, is reduced friction.

Further, the double-layer gear is fixed on the inside of cant beam by change gear axis, in the two sides of double-layer gear Second flange bearing and third flange bearing are installed, and fixed by the second nut.The bearing portions of second, third flange bearing It is fixed on cant beam, plays the role of rotation smoothness, reduce friction.

Further, the first torsional spring is installed on the taper sheath between the side and cant beam internal chamber wall of half gear, first One end of torsional spring is fixed on half gear, and one end is fixed on the internal chamber wall of cant beam；The other side of half gear and cant beam internal chamber wall Between taper sheath on install first flange bearing.The bearing portions of first flange bearing is fixed on cant beam, plays rotation stream Freely, reduce the effect of friction.Torsional spring is the self-return in order to realize pedal.

Further, the foot-operated installation end is equipped with foot-operated pawl seat, and the side of foot-operated pawl seat is provided with arc Ratchet storehouse and arc limited post slot and center torsional spring storehouse, ratchet is mounted in ratchet storehouse；The foot-driven lever is in foot The tool internal thread connecting column for being provided with and being located on foot-operated rod axis is stepped on the end face of connecting pin, and the second torsion spring set is mounted in connection On column, and limited post and lock pin slot parallel with connecting column on the end face of foot-operated connecting pin, and be located on foot-driven lever Lockwheel hole is arranged in end at lock pin slot, is reloaded into lock pin bar after top spring is initially charged in lockwheel hole, the installation of lock pin bar one end is small Wheel, the other end of lock pin bar have threaded hole, and the screw thread nose end of lock pin bar is inserted into lockwheel hole, and lock pin passes through lock pin slot and is installed to lock In threaded hole on pin rod；One end of second torsional spring is fixed on the end face of foot-driven lever, and the other end is fixed in torsional spring storehouse；It is foot-operated Connecting column is sleeved in mesoporous by pawl seat, and an axle sleeve is set between pawl seat mesoporous and connecting column foot-operated, and pass through Connecting column and foot-operated pawl seat are fixed together by screw.Lock pin bar slides in lockwheel hole under the action of pushing up spring, and because The lock pin installed in threaded hole on lock pin bar is limited by lock pin slot, and lock pin bar cannot skid off lockwheel hole, lock pin boom end Steamboat may be implemented to play the role of sliding support when foot-driven lever is close to cant beam, avoid between foot-driven lever and cant beam Hard friction and the case where blocking.

Further, a spacer pin is set on the cant beam.Spacer pin be in order to limit the height lifted on foot-driven lever with And the position folded when control foot-driven lever folding.

The advantages of the application is, realizes the folding of foot pedal apparatus, saves space and using new foot-operated mode, Foot-operated only needs are stepped on up and down and the foot-operated of left and right foot is independent of each other, and can be moved in the same direction simultaneously, can also be separated each automatic.Ratchet Top power of unlocking mode when foot-driven lever return is utilized between lock pin bar and cant beam, it is therefore prevented that hand foldable dangerous and not Health, the use of half gear allow power transmission after foot-driven lever return to disconnect, do not influence the retrogressing and folding of electric vehicle.

Detailed description of the invention

Fig. 1 is a kind of folded state schematic diagram of collapsible foot pedal lever driving device of the utility model；

Fig. 2 is a kind of unfolded state schematic diagram of collapsible foot pedal lever driving device of the utility model；

Fig. 3 is a kind of broken section structural schematic diagram of collapsible foot pedal lever driving device of the utility model；

Fig. 4 is that center axis and foot-driven lever junction are located at the structural schematic diagram in cant beam；

Fig. 5 is that a kind of internal drive gear discrete topology of collapsible foot pedal lever driving device of the utility model is illustrated Figure；

Fig. 6 is the discrete topology schematic diagram at the sleeve of center axis, half gear, taper sheath and foot-driven lever；

Fig. 7 is the discrete topology schematic diagram of rear-wheel and gear-bearing；

Fig. 8 is the foot-operated discrete schematic diagram with connection structure at foot-driven lever；

Fig. 9 is the occlusal position schematic diagram of the pinion gear of half gear and double-layer gear；

Figure 10 is the structural schematic diagram of foot-operated pawl seat；

Figure 11 is ratchet schematic diagram；

Figure 12 is the schematic view of the mounting position of center axis, the first torsional spring, half gear and foot-driven lever on cant beam.

Figure 13 is lock pin bar scheme of installation.

Appended drawing reference record is as follows: 1- vehicle seat column, 2- cant beam, 3- central axis, 4- rear-wheel, 5- is foot-operated, 6- foot-driven lever, 6.1- connecting column, 6.2- limited post, 6.3- lock pin slot, 6.4- lockwheel hole, 6.5- sleeve, 7- taper sheath, the first conical bearing of 8-, The second conical bearing of 8.1-, half gear of 9-, 10- hind axle, 11- chain wheel axis, 12- ratchet, 13- chain wheel, 14- double-layered tooth Wheel, 14.1- pinion gear, 14.2- gear wheel, 15- gear-bearing, 16- first flange bearing, the first nut of 17-, 18- deflecting tooth Wheel shaft, the first torsional spring of 19-, 20- ride pawl seat, 20.1- ratchet storehouse, 20.2- limited post slot, 20.3- torsional spring storehouse, 21- ratchet, 22- pushes up spring, 23- lock pin bar, 24- lock pin, 25- axle sleeve, 26- screw, 27- spacer pin, the second torsional spring of 28-, 29- chain, 30- the Two flange bearings, 31 third flange bearings, the second nut of 32-, the 4th flange bearing of 33-, 34- third nut, 35- key.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

A kind of collapsible foot pedal lever driving device (referring to Fig. 1-Fig. 7, Fig. 9, Figure 12), including vehicle seat column 1, pass through one The rear-wheel 4 that root central axis 3 is installed the cant beam 2 of 1 two sides of vehicle seat column and is mounted between two cant beams 2, the cant beam 2 have Inner cavity, central axis 3 pass through the inner cavity of cant beam 2, taper sheath 7 are set on the central axis 3 for being located at 2 inner cavity of cant beam, on taper sheath 7 Half gear 9 is fixedly mounted, the bearing holder (housing, cover) of first flange bearing 16 is on taper sheath 7 and flange thereon is fixed on half gear 9 On the cant beam wall in outside, 6 one end of foot-driven lever installation foot-operated 5, the other end of foot-driven lever 6 is provided with sleeve 6.5, and sleeve 6.5 is fixed It is sleeved on taper sheath 7, the first conical bearing 8 and the second conical bearing 8.1 is respectively installed on the central axis 3 at 7 both ends of taper sheath, It is fixed with the first nut 17 at first conical bearing 8 of 6 one end of foot-driven lever；Tooth is installed between central axis 3 and hind axle 10 Dish axle 11 respectively passes through key at the both ends of chain wheel axis 11 and fixes a ratchet 12, in the inside of a wherein ratchet 12 Chain wheel 13 is fixedly mounted by key；Double-layer gear 14, half gear 9 and double-layer gear 14 are installed between chain wheel 13 and half gear 9 Pinion gear 14.1 be engaged, ratchet 12 is engaged on the gear wheel 14.2 of double-layer gear 14；It is located at installation tooth on rear-wheel 4 The side of disk 13 is installed by gear-bearing 15；Gear-bearing 15 and chain wheel 13 are connected by chain 29.

Cant beam wall on the outside of half gear, seat column are clamped between two cant beams, will be defined as between two cant beams interior Side, two cant beam both sides are defined as outside.

In use, the axis platform of installation first flange bearing is provided on taper sheath.

It is installed when the fixed installation of sleeve and conical sleeve by bolt, i.e., the setting installation bolt on sleeve and conical sleeve Screw hole.

When installation, when central axis 3 penetrates cant beam 2, the second conical bearing 8.1 is first inserted in central axis 3, then circle 7 sets of cone bearing penetrate central axis 3, and first flange bearing 16 is inserted in axis platform, and axis platform is passed through the set on cant beam 2, with foot-driven lever 6 Cylinder 6.5 is fixed with screw connection, then the first conical bearing 8 is installed additional in the hole in 6.5 outside of sleeve, with the first nut 17 in It is tightened in mandrel 3.

Based on the above technical solution, the utility model is to reach the stability of the convenience and equipment that use, Following improvement can also be made to above-mentioned technical solution:

Half gear 9, double-layer gear 14, ratchet 12, chain wheel 13 and the gear-bearing 15 is located at the inner cavity of cant beam 2 In (referring to Fig. 3, Fig. 4).

The chain wheel 13 ratchet 12 ipsilateral with it is fixed on chain wheel axis 11 by the same key 35 (referring to figure 5)。

The 4th flange bearing 33 is installed positioned at the outside of ratchet 12 on the chain wheel axis 11, and passes through third nut 34 fixed (referring to Fig. 5).

The double-layer gear 14 is fixed on the inside of cant beam 2 by change gear axis 18, in the two sides of double-layer gear 14 Second flange bearing 30 and third flange bearing 31 are installed, and fixed by the second nut (referring to Fig. 5).

First torsional spring 19, the first torsional spring are installed on taper sheath 7 between the side and cant beam internal chamber wall of half gear 9 19 one end is fixed on half gear 9, and one end is fixed on the internal chamber wall of cant beam 2；The other side of half gear and cant beam internal chamber wall Between taper sheath 7 on install first flange bearing 16 (referring to Fig. 3-Fig. 6).

Foot-operated 5 installation end is equipped with foot-operated pawl seat 20 (referring to Fig. 8), rides the side setting of pawl seat 20 There is the torsional spring storehouse 20.3 at the ratchet storehouse 20.1 of arc and the limited post slot 20.2 of arc and center, ratchet 21 is mounted on ratchet In storehouse 20.1；The foot-driven lever 6, which is provided with to be located on foot-operated rod axis on the end face of foot-operated connecting pin, has internal screw thread Connecting column 6.1, the second torsional spring 28 is sleeved on connecting column 6.1, and on the end face of foot-operated connecting pin it is flat with connecting column 6.1 Capable limited post 6.2 and lock pin slot 6.3, and lockwheel hole 6.4 is arranged in the end on foot-driven lever 6 at lock pin slot, is locking It is reloaded into lock pin bar 23 after being initially charged with top spring 22 in wheel bore 6.4, lock pin bar 23 and the contact jaw for pushing up spring 22 have the steamboat of rotation, The other end of lock pin bar has threaded hole, and lock pin 24 is inserted into after lock pin slot 6.3 and is threaded onto lock pin by 24 end of lock pin In threaded hole on bar 23；One end of second torsional spring 28 is fixed on the end face of foot-driven lever 6, and the other end is fixed on torsional spring storehouse 20.3 It is interior；Connecting column 6.1 is sleeved in mesoporous by foot-operated pawl seat 20, and is covered between foot-operated 20 mesoporous of pawl seat and connecting column 6.1 An axle sleeve 25 is filled, and connecting column 6.1 and foot-operated pawl seat 20 are fixed together by screw 26.It installs one end of lock pin bar There is steamboat, the other end has the threaded hole of the axis perpendicular to lock pin bar.

One spacer pin 27 is set on the cant beam 2.

Ratchet 21 is inlaid solid in the ratchet storehouse 20.1 of foot-operated pawl seat 20 (referring to Figure 10, Figure 11, Figure 13), ratchet 21 and flat Face maintains an equal level, and there is a semicircle limited post slot 20.2 in the plane another side of foot-operated pawl seat 20, and limited post 6.1 is movable in slot, The centre bore of foot-operated pawl seat 20 has torsional spring storehouse 20.3, has enough positions to make the first torsional spring 19 movable herein, and the one of foot-driven lever 6 There is a connecting column 6.1 at end, and there is internal screw thread on top, and 6.1 root of connecting column is equipped with the second torsional spring 28, is provided with lock pin slot in plane 6.3, lockwheel hole 6.4 is provided at outer circle, and there is a rotatable steamboat in 23 one end of lock pin bar, and the other end has screw hole, will push up spring 22 It promotes in lockwheel hole 6.4, then lock pin bar 23 is promoted lockwheel hole 6.4, lock pin 24 is directed at the screw hole on lock pin bar 23, is tightened, The steamboat on lock pin bar 23 is touched, lock pin bar 23 can be up and down in lockwheel hole 6.4, and the second torsional spring 28 1 is fixed on foot-operated In the plane of bar 6, other end is fixed on the torsional spring storehouse 20.3 of foot-operated pawl seat 20, and foot-operated pawl seat 20 is inserted in foot-driven lever 6 Connecting column 6.1, have axle sleeve 25 on connecting column 6.1, the plane of the plane of foot-driven lever 6 and foot-operated pawl seat 20 is closely close to no Stay gap but can ease rotation, it is fixed (see Fig. 6) with screw 26.

Working condition: in use, with the light pedal 5 of foot, foot-operated 5 are allowed to be laid flat simultaneously downlink, when the lock pin bar 23 on foot-driven lever 6 After steamboat leaves cant beam, lock pin bar 23 and the ejection of lock pin 24 are lockked the position of ratchet 21 by top spring 22 to lock pin, are at this moment ridden 5 and are protected Maintain an equal level face stable state, at this moment the Gear Contact on half gear 9 and the steamboat being engaged on double-layer gear 14, can firmly step on foot-operated 5, power drives rear-wheel 4 to advance by gear combination, by chain 29 and chain wheel 13.Left and right foot can be stepped on successively, can also be same When step on, it is motionless to step on another foot with a foot, when not used, foot is left foot-operated, the first torsional spring 19 on half gear allows foot The upward return of treadle 6, when the steamboat being returned on lock pin bar 23 can touch cant beam 2, the pressure of cant beam 2 makes 23 band of lock pin bar Pendulum lock pin 24 leaves ratchet 21, and the first torsional spring 19 being mounted on foot-driven lever 6 allows foot-operated 5 to hold up, and is attached on cant beam 2, foot-driven lever 6 Stopping after upper arresting pin 27, while toothed portion is detached from the pinion gear of double-layer gear 14 on half gear 9, power output disconnects, Allowing vehicle not will drive when retreating, foot-driven lever 6 is dynamic, in order to avoid influence the folding of vehicle.

By the description above, the foot pedal apparatus of the application step on side it is foot-operated when, half engaged gears are double Power is transmitted to rear-wheel by ratchet in power transmission to ratchet by layer gear, when stinging for half gear and double-layer gear It closing after tooth disconnects, the tooth of double-layer gear moves on the shiny surface of half gear, at this moment do not have a dynamic transmission, when foot-up, first Torsional spring effect retracts initial position for foot-operated, during retracting, although half gear can be snapped to double-layer gear, because unidirectional The presence of gear, power will not be transmitted to rear-wheel, because ratchet is equivalent to idle running at this time；In this way after perseveration, always It is dynamic to be transmitted to rear-wheel.The foot-operated presence because of ratchet in left and right two, is independent of each other, can individually trample a foot It steps on, can also alternately trample or place in the same direction is trampled simultaneously.This is also that be different from the pedal of existing bicycle be left to the application Right crus of diaphragm is alternately trampled and the pedal of every side is all the case where moving in a circle.

The collapsible foot pedal lever driving device of the application is for the patent No.: a kind of 2015108384625 electric folding A kind of improvement of folded electric bicycle, mainly on the basis of above-mentioned electric bicycle, in rear wheel position and cant beam The collapsible foot pedal lever driving device of installation the application is driven by upper and lower pushes pedals by the transmission of gear and chain The rotation of dynamic rear-wheel.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (8)

1. a kind of collapsible foot pedal lever driving device, including vehicle seat column, vehicle seat column two sides are installed by a central axis Cant beam and the rear-wheel that is mounted between two cant beams, which is characterized in that the cant beam has inner cavity, and central axis passes through cant beam Inner cavity, be located at cant beam inner cavity central axis on be set with taper sheath, half gear, first flange axis are fixedly mounted on taper sheath The bearing holder (housing, cover) held is on taper sheath and flange thereon is fixed on the cant beam wall on the outside of half gear, foot-driven lever one end installation foot It steps on, the other end of foot-driven lever is provided with sleeve, and sleeve is fixedly set on taper sheath, respectively pacifies on the central axis at taper sheath both ends The first conical bearing and the second conical bearing are filled, is fixed at first conical bearing of foot-driven lever one end with the first nut；In Chain wheel axis is installed between mandrel and hind axle, respectively passes through key at the both ends of chain wheel axis and fixes a ratchet, one wherein Chain wheel is fixedly mounted by key in the inside of ratchet；Double-layer gear, half gear and bilayer are installed between chain wheel and half gear The pinion gear of gear is engaged, and ratchet is engaged on the gear wheel of double-layer gear；It is located at the side of installation chain wheel on rear-wheel Gear-bearing is installed；Gear-bearing is connected with chain wheel by chain.

2. collapsible foot pedal lever driving device according to claim 1, which is characterized in that half gear, bilayer Gear, ratchet, chain wheel and gear-bearing are located in the inner cavity of cant beam.

3. collapsible foot pedal lever driving device according to claim 2, which is characterized in that the chain wheel is ipsilateral with it Ratchet be fixed on chain wheel axis by the same key.

4. collapsible foot pedal lever driving device according to claim 3, which is characterized in that be located on the chain wheel axis The 4th flange bearing is installed in the outside of ratchet, and is fixed by third nut.

5. collapsible foot pedal lever driving device according to claim 1, which is characterized in that the double-layer gear passes through Change gear axis is fixed on the inside of cant beam, installs second flange bearing and third flange bearing in the two sides of double-layer gear, and It is fixed by the second nut.

6. collapsible foot pedal lever driving device according to claim 1, which is characterized in that the side of half gear First torsional spring is installed, one end of the first torsional spring is fixed on half gear, and one end is fixed on the taper sheath between cant beam internal chamber wall On the internal chamber wall of cant beam；First flange bearing is installed on the taper sheath between the other side and cant beam internal chamber wall of half gear.

7. collapsible foot pedal lever driving device according to claim 1, which is characterized in that the foot-operated installation end Foot-operated pawl seat is installed, the side of foot-operated pawl seat is provided with the ratchet storehouse of arc and the limited post slot of arc and center Torsional spring storehouse, ratchet is mounted in ratchet storehouse；The foot-driven lever is provided on the end face of foot-operated connecting pin positioned at foot-driven lever Tool internal thread connecting column on axis, the second torsion spring set on the connecting column, and on the end face of foot-operated connecting pin with The parallel limited post of connecting column and lock pin slot, and lockwheel hole is arranged in the end on foot-driven lever at lock pin slot, in lockwheel It is reloaded into lock pin bar after being initially charged with top spring in hole, steamboat is installed in lock pin bar one end, and the other end of lock pin bar has threaded hole, lock pin The screw thread nose end of bar is inserted into lockwheel hole, and lock pin passes through lock pin slot and is installed in the threaded hole on lock pin bar；One end of second torsional spring It is fixed on the end face of foot-driven lever, the other end is fixed in torsional spring storehouse；Connecting column is sleeved in mesoporous by foot-operated pawl seat, and It is set with an axle sleeve between foot-operated pawl seat mesoporous and connecting column, and connecting column and foot-operated pawl seat are fixed on one by screw It rises.

8. collapsible foot pedal lever driving device according to claim 1, which is characterized in that be arranged one on the cant beam A spacer pin.