CN113002243B

CN113002243B - Multifunctional long-endurance comfortable electric bicycle

Info

Publication number: CN113002243B
Application number: CN202110276924.4A
Authority: CN
Inventors: 李钢; 李思佳
Original assignee: Beijing Longxiang Xinyu Electronic Technology Co ltd
Current assignee: Beijing Longxiang Xinyu Electronic Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2022-07-01
Anticipated expiration: 2041-03-15
Also published as: CN113002243A

Abstract

The invention discloses a multifunctional long-endurance comfortable electric bicycle, which comprises a bicycle frame, and wheels and a saddle which are arranged on the bicycle frame. By adopting the technical scheme, the multifunctional long-endurance comfortable electric bicycle not only reasonably utilizes the space of the frame, greatly improves the battery capacity and increases the endurance mileage; the storage box can be flexibly turned over and can be used as a backrest, so that the electric bicycle can carry one more passenger; in addition, the wheel structure is newly designed, so that the wheel has excellent damping capacity, no jolt road surface is feared, and the cross-country passing capacity of the electric two-wheeled vehicle can be greatly improved; meanwhile, the seat cushion of the saddle cancels the traditional pointed structure and is provided with an arc abdicating notch, so that the perineum part of a rider can be completely avoided, and the problems of discomfort and damage caused by extrusion and friction of the perineum part in the riding process are avoided.

Description

Multifunctional long-endurance comfortable electric bicycle

Technical Field

The invention relates to the technical field of land vehicles, in particular to a multifunctional long-endurance comfortable electric bicycle.

Background

With the progress of battery and motor technologies, the development of electric bicycles is becoming mature. Because the green trip theory gradually stretches into people's mind, electric bicycle has nimble, convenient, does not fear the unique advantage such as block up on the short distance commute simultaneously, and more people begin to select electric bicycle as the vehicle of daily commute.

However, the existing electric bicycle has the disadvantages of small total battery capacity and short endurance mileage, so that mileage anxiety is easy to occur when people ride the electric bicycle. In addition, in order to place articles, a storage box is additionally arranged behind a saddle of a plurality of electric bicycles, but most of the storage boxes are fixedly installed, so that the electric bicycle with the storage box is sufficient in power, but cannot carry one more passenger, and the use scene of the electric bicycle is limited. Moreover, the tyre of the current electric bicycle is especially thin, so that the damping effect of the wheel is poor, and the riding feeling is poor when the electric bicycle runs on a bumpy road. Moreover, the front end of the traditional bicycle seat cushion is designed into a pointed structure, so that the bicycle seat cushion is extremely unfriendly to riders (particularly men), and the perineum part can be extruded and rubbed in the long-time riding process, so that the riding comfort is influenced, and certain damage can be caused.

It is urgent to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multifunctional long-endurance comfortable electric bicycle.

The technical scheme is as follows:

the utility model provides a multi-functional long duration travelling comfort electric bicycle, includes bicycle frame and installs wheel and saddle on bicycle frame, bicycle frame includes riser, pipe chute and back fork, and its main points lie in: a storage rack extending backwards is mounted on the rear upper fork, a first externally-hung battery mounting space is arranged below the storage rack, a first externally-hung battery which is detachable is mounted in the first externally-hung battery mounting space, a second externally-hung battery mounting space is arranged behind the vertical pipe, and a second externally-hung battery which is detachable is mounted in the second externally-hung battery mounting space;

the goods shelf is provided with a storage box frame for people to take, a storage box is rotatably arranged on the storage box frame, when the storage box is in a storage state, the storage box is horizontally arranged on the storage box frame, and the bottom of the storage box covers the storage box frame; when the storage box is in a turning state, the storage box stands upright or obliquely and backwards at the rear end of the storage box frame, and the bottom of the storage box can be used as a backrest for people to lean against;

the vertical pipe is provided with a vertical pipe battery installation cavity, the inclined pipe is provided with an inclined pipe battery installation cavity, the vertical pipe battery installation cavity and the inclined pipe battery installation cavity are both provided with a plurality of batteries, the batteries in the vertical pipe battery installation cavity are sequentially arranged along the extension direction of the vertical pipe one by one, and the batteries in the inclined pipe battery installation cavity are sequentially arranged along the extension direction of the inclined pipe one by one;

the wheel comprises a hub inner ring, a hub outer ring concentrically arranged outside the hub inner ring and a plurality of elastic support rings annularly distributed between the hub inner ring and the hub outer ring, wherein the elastic support rings are all in an annular structure and have elasticity, inner ring mounting structures which are respectively in one-to-one correspondence with the elastic support rings are arranged on the hub inner ring, outer ring mounting structures which are respectively in one-to-one correspondence with the elastic support rings are arranged on the hub outer ring, and the elastic support rings are respectively connected to the corresponding inner ring mounting structures and outer ring mounting structures in an elastic supporting manner;

the saddle comprises a seat cushion, wherein the front end of the seat cushion is backwards sunken to form an arc-shaped yielding notch, and the arc-shaped yielding notch is of an arc-shaped structure and is located in the middle of the front end of the seat cushion.

By adopting the structure, the small-sized batteries which are arranged in the vertical pipe and the inclined pipe one by one are arranged, so that the batteries can be well protected, the damage of the batteries when the electric bicycle is toppled over can be avoided as much as possible, the damage caused by hitting the batteries by flying stones in the riding process can be avoided, the first detachable external battery is arranged below the goods shelf at the tail part, the second detachable external battery is arranged behind the vertical pipe, the space of the frame is reasonably utilized, the size of the frame is hardly influenced, the battery capacity is greatly improved, the endurance mileage is increased, when the whole electric bicycle is inconvenient to charge, the first external battery and the second external battery can be conveniently and independently detached to charge, the charging convenience of the electric bicycle is improved, meanwhile, the anti-theft capability of the batteries arranged in the vertical pipe and the inclined pipe is excellent, and when the batteries need to be prevented from theft, only the first externally hung battery and the second externally hung battery need to be detached. For the design of the storage box, when no additional passenger needs to be carried, the storage box is in a storage state, so that the storage box not only can more reliably contain articles, but also can reduce the length of the electric bicycle, so that the whole structure is more compact, and the trafficability of the electric bicycle is improved; when extra passengers need to be carried, the storage box is in a turnover state, the storage box can still contain the articles, and after the storage box is turned over, a space can be reserved, so that the extra passengers can sit on the storage box frame, and meanwhile, the box bottom of the storage box can be used as a backrest, so that the carried passengers can take the articles more comfortably and safely. To the design of wheel, the wheel can directly filter the shake that comes from the road surface of jolting, and the shock attenuation effect is splendid, can promote the cross-country ability of passing through of electric bicycle greatly. To the design of saddle, cancelled the structure of traditional bicycle seatpad front end cusp form, set up the arc through the intermediate position at seatpad body front end and let a groove, can avoid riding passerby's perineum position completely, avoid riding the in-process and cause the problem of uncomfortable feeling and damage because of extrusion and friction perineum position, improved the travelling comfort of riding greatly, make and ride passerby and can ride longer distance.

Preferably, the method comprises the following steps: one end of the inclined tube connected with the vertical tube is widened to form a widened installation part, and a lithium battery balance protection plate and one or two batteries which are transversely arranged side by side are accommodated in an inner cavity of the widened installation part. By adopting the structure, the capacity of the battery can be increased on the premise of almost not damaging the overall design coordination, and sufficient space can be provided for the installation of the lithium battery balance protection board.

Preferably, the method comprises the following steps: the bicycle is characterized in that the vertical pipe is of a straight pipe structure, the inclined pipe is of a bent pipe structure protruding downwards, the lower end part of the vertical pipe is connected with the lower end part of the inclined pipe through a hinge to form a V-shaped connecting structure capable of being folded left and right or folded up and down, the upper end part of the vertical pipe is provided with a saddle, and the upper end part of the inclined pipe is connected with a head pipe of a bicycle frame. By adopting the structure, the bicycle is convenient for men, women, old and young to get on and off the bicycle, and has good universality and use convenience; and the front wheel part and the rear wheel part of the frame can be folded, so that the frame is convenient to store and carry.

Preferably, the method comprises the following steps: the both sides of storage tank frame are equipped with two downwardly extending's storage tank frame installation pipe respectively, the both sides of goods shelves are provided with at least a set of installation tube sleeve group along goods shelves length direction evenly distributed respectively, and every installation tube sleeve group of group includes two installation tube sleeves that suit with corresponding storage tank frame installation pipe respectively, locks through locking element after each storage tank frame installation pipe inserts the installation tube sleeve that corresponds. By adopting the structure, when the mounting pipe sleeve group is a group, the mounting pipe of the storage box frame can be stably and reliably locked, the reliable mounting of the storage box frame is ensured, the locking element is convenient to unlock, and the storage box frame is quickly assembled and disassembled; when the installation pipe box group is the multiunit, not only can adjust the mounted position of storage tank frame in a flexible way, extra installation pipe box can be as the installation anchor point of articles such as bicycle basket, big case support moreover, has promoted the expansibility greatly.

Preferably, the method comprises the following steps: the upper surface of the storage box frame is provided with a back row seat cushion, and the bottom surface of the storage box is provided with a back cushion. By adopting the structure, the riding and leaning comfort of the back-row passengers is greatly improved.

Preferably, the method comprises the following steps: the utility model discloses an elastic support ring, including wheel hub, inner circle mounting structure, elastic support ring is annular thin slice structure, outer lane mounting structure is the inboard support ring mount pad of fixed mounting in wheel hub outer lane, set up on the support ring mount pad with correspond the flat hole that elastic support ring suited, inner circle mounting structure includes the support ring constant head tank of shaping on wheel hub inner circle outer peripheral face, inner circle mounting structure still include respectively with the support ring briquetting that corresponds support ring constant head tank looks adaptation, each support ring briquetting can cover closure on corresponding support ring constant head tank through a plurality of first locking bolt locking ground respectively to the elastic support ring locking that will correspond is in the support ring constant head tank that corresponds.

By adopting the structure, the elastic support ring can be reliably installed, cannot be twisted or rotated, is easy to assemble and has low production cost.

Preferably, the method comprises the following steps: the elastic support rings are three in number, the outer ring of the hub is of a regular hexagonal prism structure, three support ring positioning grooves are formed in the outer ring of the hub, the three support ring positioning grooves are uniformly distributed on the outer walls of three sides of the outer ring of the hub in an annular mode, and the three support ring mounting seats are respectively opposite to the corresponding support ring positioning grooves.

By adopting the structure, the cost is effectively controlled, meanwhile, the length of the positioning groove of the support ring can be increased, and the installation reliability of the elastic support ring is improved.

Preferably, the method comprises the following steps: the hub inner circle has seted up equipment fixing cavity along its rotation axis, installs the in-wheel motor in this equipment fixing cavity, and this in-wheel motor includes motor installation axle, stator core and rotor core, stator core overlaps admittedly on motor installation axle, has six stator teeth along circumference evenly distributed on this stator core's the outer wall, has all twined the coil on each stator tooth, and every two sets of coils that set up relatively all connect in parallel and constitute a stator winding, and three stator winding constitutes X looks, Y looks and Z looks respectively, the rotor core can rotate ground suit outside the stator core, has six rotor teeth along circumference evenly distributed on this rotor core's the inner wall. Structure more than adopting makes electric bicycle adopt wheel hub drive's mode to fuse the structure of switched reluctance motor and in-wheel motor together, simple structure is reliable not only, need not the tombarthite permanent magnet, in reduction in production cost, because be afraid of the demagnetization that generates heat, more can adapt to climbing road conditions, has promoted electric bicycle's climbing ability by a wide margin.

Preferably, the method comprises the following steps: the utility model discloses a seat cushion, including the seatpad mount pad, the installation pipe connecting seat of installation pipe upper end, the elastic support subassembly that elastically supports between seatpad mount pad and installation pipe connecting seat and the rotation coupling assembling of connection between seatpad mount pad and installation pipe connecting seat, the installation pipe can detachably insert in the riser or the outside of suit at the riser. Structure more than adopting, through set up elastic support subassembly and rotation coupling assembling between cushion mount pad and installation tube coupling seat, can promote the shock attenuation effect by a wide margin, improve the travelling comfort of taking, reduce the fatigue of riding and feel.

Preferably, the method comprises the following steps: the installation pipe includes installation pipe hypomere and articulates the installation pipe upper segment in installation pipe hypomere upper end, installation pipe hypomere can detachably insert in the riser or the outside of suit at the riser, the upper end and the installation union coupling seat fixed connection of installation pipe upper segment, can lock through the hoop between the lower extreme of installation pipe upper segment and the upper end of installation pipe hypomere to make the seatpad supply the people to take, when unblock hoop, installation pipe upper segment can be installed the pipe hypomere relatively and rotate, thereby can be to installing the battery in the riser or take out the battery in the riser. By adopting the structure, the battery in the vertical pipe can be quickly and conveniently taken and installed, so that the quick change of the battery is realized.

Compared with the prior art, the invention has the following beneficial effects:

by adopting the technical scheme, the multifunctional long-endurance comfortable electric bicycle not only reasonably utilizes the space of the frame, greatly improves the battery capacity and increases the endurance mileage; the storage box can be flexibly turned over and can be used as a backrest, so that the electric bicycle can carry one more passenger; in addition, the wheel structure is newly designed, so that the wheel has excellent damping capacity, no jolt road surface is feared, and the cross-country passing capacity of the electric two-wheeled vehicle can be greatly improved; meanwhile, the seat cushion of the saddle cancels the traditional pointed structure and is provided with an arc abdicating notch, so that the perineum part of a rider can be completely avoided, and the problems of discomfort and damage caused by extrusion and friction of the perineum part in the riding process are avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the cell arrangement in the riser and the chute;

FIG. 3 is a schematic view of the internal structure of the widened mounting portion;

FIG. 4 is a schematic view of the storage compartment mounted on the electric bicycle in a flipped state (lid closed);

FIG. 5 is a schematic view of FIG. 4 with the storage compartment and the storage compartment rack removed;

FIG. 6 is a schematic view of the storage compartment in an inverted position in cooperation with a storage compartment rack;

FIG. 7 is a schematic view of the storage compartment in a storage position in cooperation with a storage compartment rack;

FIG. 8 is a schematic view of the storage compartment with the lid open;

FIG. 9 is a schematic view of a shock absorbing wheel;

FIG. 10 is a schematic view of a support ring mount;

FIG. 11 is a schematic structural view of the inner race of the hub;

FIG. 12 is a schematic view of the mounting relationship between the inner ring of the hub and the hub motor;

FIG. 13 is a schematic view of the structure of the elastic support ring;

FIG. 14 is a schematic structural diagram of a switched reluctance hub motor;

FIG. 15 is a cross-sectional view of a switched reluctance in-wheel motor;

FIG. 16 is a schematic structural view of a first embodiment of a seat cushion;

FIG. 17 is a schematic structural view of a second embodiment of a seat cushion;

figure 18 is a schematic structural view of the saddle;

FIG. 19 is a schematic view of the electric bicycle with the saddle in the locked condition;

fig. 20 is a schematic view of the electric bicycle with the saddle in the unlocked state.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1, a multifunctional electric bicycle with long endurance comfort comprises a bicycle frame, and a wheel and a saddle which are arranged on the bicycle frame.

The external battery mounting structure comprises a shelf 11 which extends backwards and is arranged on a rear upper fork 10, a first external battery mounting space is arranged below the shelf 11, a first detachable external battery 12 is arranged in the first external battery mounting space, a second external battery mounting space is arranged behind a vertical pipe 1, and a second detachable external battery 14 is arranged in the second external battery mounting space. It should be noted that the first external battery 12 and the second external battery 14 are lithium iron phosphate lithium ternary lithium batteries, and the first external battery 12 and the second external battery 14 are respectively integrated into an independent box body, so as to be convenient for integral assembly and disassembly.

In this embodiment, the first external battery 12 is disposed along the length direction of the rack 11, and the second external battery 14 is disposed along the length direction of the stand pipe 1, so that the space can be better utilized, and the influence on the height of the rack 11 and the distance between the stand pipe 1 and the rear wheel is small. Specifically, the first battery mounting frame 15 is provided below the shelf 11, the first battery mounting frame 15 and the shelf 11 enclose a first external battery mounting space, and the first external battery 12 is detachably supported by the first battery mounting frame 15, so that the first external battery 12 can be mounted easily, reliably, and stably and reliably. A second battery mounting frame 16 is provided behind the riser 1, the second battery mounting frame 16 forms a second externally-hung battery mounting space with the riser 1, and the second externally-hung battery 14 is detachably supported on the second battery mounting frame 16, so that the second externally-hung battery 14 can be mounted simply, reliably and stably.

The rear upper fork 10 includes a rear upper fork body 10a and two damper cylinders 10b, an upper end of the rear upper fork body 10a is connected to the stem 1, both sides of a lower end of the rear upper fork body 10a are connected to a rear end of a rear lower fork 13 of the bicycle frame through the corresponding damper cylinders 10b, the shelf 11 is mounted on the rear upper fork body 10a, and one end of the reinforcing connection pipe 11b is also connected to the upper fork body 10 a. The goods shelf 11 can be reliably installed, the installation reliability of the first externally-hung battery 12 is guaranteed, the normal shock absorption performance is improved, and the riding comfort is improved.

Referring to fig. 1, the built-in battery mounting structure includes a vertical tube 1 having a vertical tube battery mounting cavity 1a, an inclined tube 2 having an inclined tube battery mounting cavity 2a, the vertical tube battery mounting cavity 1a and the inclined tube battery mounting cavity 2a both containing a plurality of batteries 3, the batteries 3 in the vertical tube battery mounting cavity 1a being sequentially arranged along an extending direction of the vertical tube 1 one by one, and the batteries 3 in the inclined tube battery mounting cavity 2a being sequentially arranged along the extending direction of the inclined tube 2 one by one.

The first external battery 12, the second external battery 14 and the battery 3 are all ternary lithium batteries or lithium iron phosphate batteries, and in this embodiment, the type of the battery 3 is preferably 32650 or 40650. Compared with the traditional lead-acid storage battery and nickel-hydrogen rechargeable battery, the self weight of the electric bicycle can be reduced by adopting the ternary lithium battery or the lithium iron phosphate battery, the endurance mileage is greatly improved, the memory effect of battery charging does not exist, and the service life of the battery is prolonged; meanwhile, the integrated first externally-hung battery 12 and the integrated second externally-hung battery 14 are convenient to disassemble, and the independent built-in batteries 3 are easy to assemble. The batteries 3 are all independent cylindrical structures, and correspondingly, the vertical pipe 1 and the inclined pipe 2 are both tubular structures which are adaptive to the batteries 3, so that the structure is simple and reliable, the processing and the assembly are easy, and the cost is low.

Referring to fig. 1-3, the end of the inclined tube 2 connected to the vertical tube 1 is widened to form a widened installation part 2b, and two batteries 3 arranged in parallel in the transverse direction are accommodated in the inner cavity of the widened installation part 2 b. Moreover, the controller 5 for controlling the motor is mounted below the widened mounting portion 2b, so that the controller can be mounted below the widened mounting portion 2b in a semi-concealed manner, and the motor controller is simple and reliable. The lithium battery balance protection board 6 is arranged in the inner cavity of the widening installation part 2b, and the lithium battery balance protection board 6 is also called a balance protection board, is a circuit board and plays a role in protecting batteries.

In this embodiment, 13 total ternary lithium batteries or lithium iron phosphate batteries, specifically, five batteries 3 connected in series are arranged in the vertical pipe 1, eight batteries 3 connected in series are arranged in the inclined pipe 2, wherein two batteries 3 are arranged in the widened installation part 2b, six batteries 3 are arranged in the inclined pipe 2 except for the widened installation part 2b, a battery pack of 13 batteries 3 is formed together, and a voltage of 48V (ternary lithium batteries) or 42V (lithium iron phosphate batteries) is provided, and a combination circuit of three batteries of the vertical pipe 1, the inclined pipe 2 and the widened installation part 2b is integrated with the lithium battery equalization protection board 6 and is installed in the widened installation part 2 b.

Referring to fig. 1, the vertical pipe 1 is a straight pipe structure, and the inclined pipe 2 is a downward-protruding bent pipe structure, and it should be noted that although the inclined pipe 2 is a bent pipe structure, the arc shape is stable, so as to facilitate installation of the battery. The lower end of the stand pipe 1 and the lower end of the chute 2 are connected by a hinge 2c, and constitute a v-shaped connection structure that can be folded left and right or folded up and down, that is, the hinge 2c can be rotated in the horizontal direction or can be rotated in the vertical direction, when the hinge 2c can be rotated in the horizontal direction, the frame can be folded left and right, and when the hinge 2c can be rotated in the vertical direction, the frame can be folded up and down. The upper end of the stand pipe 1 is provided with a saddle 7, and the upper end of the inclined pipe 2 is connected with a head pipe 8 of a bicycle frame.

The battery 3 located in the stand pipe 1 is loaded from the upper end of the stand pipe 1 by removing the saddle 7; the battery 3 located in the chute 2 is loaded from the connection of the chute 2 with the hinge 2 c. So that the battery can be easily mounted in the stand pipe 1, the chute 2 and the widened mounting portion 2 b. It should be noted that after the battery 3 is installed, the vertical pipe 1, the inclined pipe 2 and the widened installation part 2b are all provided with a plugging fixing structure to prevent the battery pack from shaking in the pipe.

Be connected with between riser 1 and the pipe chute 2 and strengthen connecting pipe 9, strengthen the top that connecting pipe 9 is located the junction of riser 1 and pipe chute 2, and strengthen the both ends of connecting pipe 9 respectively detachably connect on the lower half of riser 1 and the lower half of pipe chute 2, not only can effectively improve the structural strength of frame, owing to strengthen connecting pipe 9 and can dismantle, thereby allow the frame to control through hinge 2c and fold or fold from top to bottom. Similarly, the reinforced connecting pipe 9 is of a concave elbow structure, so that the strength of the bicycle frame is enhanced, and meanwhile, men, women, old and young can get on and off the bicycle conveniently, and the problem of stumbling can be avoided as much as possible.

The shelf 11 is provided with a storage box frame 17 for people to take, the storage box frame 17 is rotatably provided with a storage box 18, and specifically, the rear end of the bottom of the storage box 18 is hinged with the rear end of the storage box frame 17, so that the storage box 18 can be turned over.

In this embodiment, the storage box 18 can be turned over only by a certain angle and cannot be turned over at will. Therefore, when the storage box 18 is in the reversed state, the storage box 18 stands upright or obliquely rearward at the rear end of the storage box frame 17, and the bottom of the storage box 18 can serve as a backrest on which a person leans. And when the storage box 18 is in the storage state, the storage box 18 is horizontally arranged on the storage box frame 17, and the box bottom of the storage box 18 covers the storage box frame 17, so that the reliability and the stability of the storage box 18 are ensured.

Further, the upper surface of the storage box frame 17 is provided with a rear seat cushion 17a, and the bottom surface of the storage box 18 is provided with a backrest cushion 18a, so that the sitting and leaning comfort is greatly improved.

In this embodiment, the storage box 18 includes a box body 18 'and a box cover 18' openably and closably mounted on the box body 18 ', and a back cushion 18a is mounted on a bottom surface of the box body 18'. Simple structure is reliable, easily makes, can provide a confined storage space for article simultaneously, more does benefit to the depositing of article. The box cover 18 'is also provided with a lock, when the box cover 18' covers the box body 18 ', the lock can be locked through the lock, the anti-theft effect is achieved, meanwhile, the box cover 18' can be prevented from being accidentally opened in the driving process, and the safety is improved.

Two sides of the storage box frame 17 are respectively provided with two storage box frame installation pipes 17b extending downwards, two sides of the storage rack 11 are respectively provided with at least one group of installation pipe sleeve groups evenly distributed along the length direction of the storage rack 11, each group of installation pipe sleeve groups comprises two installation pipe sleeves 11a respectively matched with the corresponding storage box frame installation pipes 17b, and each storage box frame installation pipe 17b is locked through a locking element 23 after being inserted into the corresponding installation pipe sleeve 11 a. When the mounting pipe sleeve sets are in a group, the storage box frame mounting pipe 17b is matched with the shaft sleeve of the mounting pipe sleeve 11a, and then the locking element 23 is used for locking, so that the reliable mounting of the storage box frame 17 can be ensured, and the locking element 23 is convenient to unlock, so that the storage box frame can be quickly mounted and dismounted; when the installation pipe sleeve sets are multiple groups, the storage box frame installation pipes 17b of the storage box frame 17 can be inserted into different installation pipe sleeve sets, the installation positions of the storage box frame 17 can be flexibly adjusted, the additional installation pipe sleeves can be used as installation anchor points of articles such as bicycle baskets, large box supports and the like, and expansibility is greatly improved.

Further, the locking element 23 is a lock pin or a lock bolt, and the lower end of the storage box rack mounting tube 17b is provided with an element mounting hole 17d matched with the lock pin or the lock bolt. Simple structure is reliable, can enough reliably lock storage tank rack installation pipe 17b on installation pipe box 11a, is convenient for again fast unblock dismantlement to the cooperation realizes adjusting storage tank rack 17's position in a flexible way. Specifically, after the storage box frame mounting pipe 17b is inserted into the mounting pipe sleeve 11a, the lower end of the storage box frame mounting pipe 17b passes through the lower end of the mounting pipe sleeve 11a, so that the component mounting hole 17d is just exposed to the outside, and thus the locking pin or bolt is inserted into the component mounting hole 17d, thereby locking the storage box frame mounting pipe 17b to the mounting pipe sleeve 11 a.

In this embodiment, the storage box frame 17 is a frame structure, the shelf 11 is also a frame structure, and the front end of the storage box frame 17 is provided with a handle 17c extending upward, so that the rear-row passengers can hold the storage box frame conveniently, and the riding safety is improved.

The wheel comprises a hub inner ring 19, a hub outer ring 20 concentrically arranged outside the hub inner ring 19 and a plurality of elastic support rings 21 annularly distributed between the hub inner ring 19 and the hub outer ring 20, wherein the elastic support rings 21 are all of annular structures and have elasticity, inner ring mounting structures respectively corresponding to the elastic support rings 21 are arranged on the hub inner ring 19, outer ring mounting structures respectively corresponding to the elastic support rings 21 are arranged on the hub outer ring 20, the elastic support rings 21 are respectively and elastically supported on the corresponding inner ring mounting structures and outer ring mounting structures, namely, the hub inner ring 19 and the hub outer ring 20 are connected and supported through the elastic support rings 21, and a tire 35 is sleeved outside the hub outer ring 20.

Note that, if the wheel is a rear wheel of the electric motorcycle, the damper springs (i.e., damper cylinder 10b) on both sides of the rear wheel may be eliminated.

The hub inner ring 19 and the hub outer ring 20 are integrally formed by adopting a casting process, and the hub inner ring 19 and the hub outer ring 20 are made of cast iron or aluminum alloy. The structural strength is high, and the processing and forming are easy.

The elastic support ring 21 is of an annular thin-sheet structure, and in the embodiment, the elastic support ring 21 is preferably made of an elastic steel sheet, so that the physical property is good, the processing is easy, and the cost is low.

The outer ring mounting structure is a support ring mounting seat 24 fixedly mounted on the inner side of the hub outer ring 20, a flat hole 24a matched with the corresponding elastic support ring 21 is formed in the support ring mounting seat 24, and the inner ring mounting structure comprises a support ring positioning groove 19a formed in the outer peripheral surface of the hub inner ring 19. Not only can guarantee the reliable installation of elastic support ring 21, elastic support ring 21 can not take place distortion and rotation, easily assembles moreover, low in production cost.

When each elastic support ring 21 is embedded into the corresponding support ring positioning groove 19a, each elastic support ring 21 can be locked in the corresponding support ring positioning groove 19a through a plurality of first locking bolts 26, specifically, the elastic steel sheet firstly passes through the flat hole 24a, and both ends are locked in the corresponding support ring positioning grooves 19a through one first locking bolt 26, at this time, the elastic steel sheet is in an elliptical ring structure, and the supporting capability is strong.

Further, the inner ring installation structure further comprises support ring pressing blocks 25 which are respectively matched with the corresponding support ring positioning grooves 19a, and each support ring pressing block 25 can be locked and covered on the corresponding support ring positioning groove 19a through a plurality of first locking bolts 26 so as to lock the corresponding elastic support ring 21 in the corresponding support ring positioning groove 19a, so that the elastic support ring 21 can be locked better, and the installation reliability is improved.

Specifically, a steel sheet mounting hole 21a corresponding to the first locking bolt 26 is formed in the elastic steel sheet, a positioning groove blind hole 19e corresponding to the first locking bolt 26 is formed in the bottom of the supporting ring positioning groove 19a, and the first locking bolt 26 penetrates through the supporting ring pressing block 25 and the steel sheet mounting hole 21a in sequence and then is screwed in the positioning groove blind hole 19e to complete locking.

In this embodiment, the number of the elastic support rings 21 is three, the hub outer ring 20 is of a regular hexagonal prism structure, and three support ring positioning grooves 19a are formed, the three support ring positioning grooves 19a are uniformly distributed on the outer walls of three sides of the hub outer ring 20 in an annular manner, and the three support ring mounting seats 24 are respectively opposite to the corresponding support ring positioning grooves 19a, so that the cost can be effectively controlled, the length of the support ring positioning grooves 19a can be increased, and the installation reliability of the elastic support rings 21 can be improved.

The wheel hub inner ring 19 is provided with an equipment installation cavity 19b along the rotating axis of the wheel hub inner ring, and a wheel hub motor 27 or a drum brake is installed in the equipment installation cavity 19 b. Specifically, one end of the equipment installation cavity 19b is provided with a ring-shaped boss 19c formed by the inward radial protrusion of the hub inner ring 19, the other end of the equipment installation cavity 19b is provided with a ring-shaped limiting step 19d formed by the outward radial protrusion of the hub inner ring 19, the hub motor 27 or the drum brake is installed in the equipment installation cavity 19b through the hub ring 33, the hub ring 33 is embedded in the limiting step 19d and locked through a plurality of second locking bolts 34, and each second locking bolt 34 sequentially penetrates through the hub ring 33, the bolt through hole 27a of the hub motor 27 or the drum brake and the ring-shaped boss 19 c.

The annular boss 19c is provided with a boss bolt hole 19g corresponding to the second locking bolt 34, the hub ring 33 is provided with a hub ring bolt hole 19f corresponding to the second locking bolt 34, and the second locking bolt 34 passes through the hub ring bolt hole 19f, the bolt through hole 27' of the hub motor 27 or the drum brake and the boss bolt hole 19g in sequence to complete locking of the hub motor 27 or the drum brake.

The hub motor 27 comprises a motor mounting shaft 27a, a stator core 27b and a rotor core 27c, the stator core 27b is fixedly sleeved on the motor mounting shaft 27a, the rotor core 27c is rotatably sleeved outside the stator core 27b, a motor housing 27e is coated outside the rotor core 27c, and the motor housing 27e and the rotor core 27c rotate synchronously. Namely: the stator core 27b is fixed to the motor mounting shaft 27a, and the motor housing 27e is fixed to the rotor core 27c, so that the rotor core 27c rotates relative to the rotor core 27c after energization.

Specifically, six stator teeth 27b1 are uniformly distributed on the outer wall of the stator core 27b along the circumferential direction, stator slots 27b2 are formed between adjacent stator teeth 27b1, and the six stator slots 27b2 are also uniformly distributed on the outer wall of the stator core 27 b. Each stator tooth 27b1 is wound with a coil, and each two groups of coils arranged oppositely are connected in parallel to form a stator winding 27d, namely: two groups of coils spaced 180 ° apart are connected in parallel to form one stator winding 27d, and therefore, six coils form three stator windings 27d, the three stator windings 27d form X-phase, Y-phase, and Z-phase, respectively, and the phase difference between the X-phase, Y-phase, and Z-phase is 120 °.

Correspondingly, six rotor teeth 27c1 are uniformly distributed on the inner wall of the rotor core 27c along the circumferential direction, rotor slots 27c2 are formed between adjacent rotor teeth 27c1, and six rotor slots 27c2 are also uniformly distributed on the inner wall of the rotor core 27 c. Moreover, in order to ensure the stability and reliability of the matching between the stator core 27b and the rotor core 27c, the tooth top width of the stator teeth 27b1 is greater than the notch width of the rotor groove 27c2, the tooth top width of the rotor teeth 27c1 is greater than the notch width of the stator groove 27b2, and the reliability of the matching between the stator core 27b and the rotor core 27c is ensured.

It should be noted that the gap between the stator core 27b and the rotor core 27c is as small as possible to reduce the leakage flux as much as possible and improve the efficiency of the switched reluctance hub motor.

The motor mounting shaft 27a is connected with the stator core 27b in a key mode, and the motor mounting shaft 27a and the stator core 27b can only rotate synchronously. It should be noted that the motor mounting shaft 27a and the stator core 27b may be spline-fitted or may be connected by a simpler single key.

In this embodiment, stator core 27b and rotor core 27c all adopt high magnetic conductivity's silicon steel sheet coincide to form, have guaranteed switched reluctance in-wheel motor's high efficiency.

The saddle comprises a seat cushion 22, wherein the front end of the seat cushion 22 is recessed backwards to form an arc-shaped abdicating notch 22a, and the arc-shaped abdicating notch 22a is of an arc-shaped structure and is positioned in the middle of the front end of the seat cushion 22. Through set up the arc at the intermediate position of seatpad 22 front end and let a notch 22a, can avoid riding passerby's perineum position (especially male sex) completely, avoid causing uncomfortable sense and the problem of damage because of extrusion and friction perineum position at the in-process of riding, improved the travelling comfort of riding greatly, make and ride passerby (especially male sex) and can ride longer distance.

The upper surface of the seat cushion 22 is concavely provided with one or two cambered surface supporting parts which are in a cambered surface structure and are adapted to the shape of the buttocks of a human body, so that the riding comfort is improved. It should be noted that, when the seat cushion 22 has a cambered surface supporting portion, the cambered surface supporting portion is almost distributed on the upper surface of the seat cushion 22; when the seat cushion 22 has two arc supporting portions, the two arc supporting portions are symmetrically distributed on the left and right sides of the upper surface of the seat cushion 22.

The first embodiment of the seat cushion:

the outer peripheral surface of the front end of the seat cushion 22 has a front end curvature radius 22b, the outer peripheral surface of the rear end of the seat cushion 22 has a rear end curvature radius 22c, and the front end curvature radius 22b is equal to the rear end curvature radius 22c, so that the seat cushion 22 is of a cylindrical structure, the seat cushion is wider, the supporting area for the buttocks is larger, and the riding comfort is improved.

Seat cushion embodiment two:

the structure of this embodiment is substantially the same as that of the first embodiment, and the difference is that: the front end curvature radius 22b is smaller than the rear end curvature radius 22c, so that the protruding length of the front end of the seat cushion 22 is larger than that of the rear end, the riding requirement is met, the structure is more compact, and the production cost is lower.

The saddle further comprises a mounting tube 28 located below the seat cushion 22 and a buffer connection mechanism disposed between the seat cushion 22 and the mounting tube 28, the buffer connection mechanism comprising a seat cushion mounting seat 29 fixedly mounted at a lower portion of the seat cushion 22, a mounting tube connecting seat 30 fixedly mounted at an upper end of the mounting tube 28, an elastic support assembly 31 elastically supported between the seat cushion mounting seat 29 and the mounting tube connecting seat 30, and a rotation connection assembly connected between the seat cushion mounting seat 29 and the mounting tube connecting seat 30.

The rotary connecting assembly comprises two groups of connecting rod groups 36 which are respectively positioned at two sides of the seat cushion mounting seat 29, each connecting rod group 36 comprises a first connecting rod 36a and a second connecting rod 36b which are arranged in parallel, and two ends of each of the first connecting rod 36a and the second connecting rod 36b are hinged with the seat cushion mounting seat 29 and the mounting pipe connecting seat 30 respectively, so that the first connecting rod 36a, the second connecting rod 36b, the seat cushion mounting seat 29 and the mounting pipe connecting seat 30 form a four-bar linkage mechanism with a parallelogram structure together. Because two groups of connecting rod groups 36 are arranged between the seat cushion mounting seat 29 and the mounting pipe connecting seat 30, the whole structure is more stable and reliable and durable.

The elastic support assembly 31 comprises a reset pressure spring 31a, a guide shaft 31b and a guide sleeve 31c which are matched with each other in a shaft sleeve mode, one end, far away from the guide sleeve 31c, of the guide shaft 31b is connected with a shaft joint 31d hinged to the seat cushion mounting seat 29, one end, far away from the guide shaft 31b, of the guide sleeve 31c is connected with a sleeve joint 31e hinged to the mounting pipe connecting seat 30, and two ends of the reset pressure spring 31a are abutted to the shaft joint 31d and the sleeve joint 31e respectively.

When the seat cushion 22 is pressed downwards, the guide shaft 31b retracts into the guide sleeve 31c, the distance between the first connecting rod 36a and the second connecting rod 36b is reduced, and the reset pressure spring 31a stores energy; when the seat cushion 22 is restored by rebounding, the guide shaft 31b extends outward of the guide sleeve 31c, the distance between the first link 36a and the second link 36b increases, and the restoring pressure spring 31a releases energy.

Riser 1 is fitted with a mounting tube 28, which mounting tube 28 can be removably inserted into riser 1 or sleeved outside riser 1.

The mounting tube 28 comprises a mounting tube lower section 28a and a mounting tube upper section 28b hinged to the upper end of the mounting tube lower section 28a, the mounting tube lower section 28a can be detachably inserted into the riser 1 or sleeved outside the riser 1, the upper end of the mounting tube upper section 28b is fixedly connected with the mounting tube connecting seat 30, the lower end of the mounting tube upper section 28b and the upper end of the mounting tube lower section 28a can be locked by a hoop 37, so that the seat cushion 22 can be used for seating, when the hoop 37 is unlocked, the mounting tube upper section 28b can rotate relative to the mounting tube lower section 28a, so that the battery 3 in the riser 1 can be mounted or taken out, the battery in the bicycle riser can be quickly and conveniently taken out, and the quick replacement of the battery can be realized.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a multi-functional long duration travelling comfort electric bicycle, includes bicycle frame and installs wheel and saddle on bicycle frame, bicycle frame includes riser (1), pipe chute (2) and back fork (10), its characterized in that: a rear upper fork (10) is provided with a shelf (11) extending backwards, a first external battery mounting space is arranged below the shelf (11), a first detachable external battery (12) is mounted in the first external battery mounting space, a second external battery mounting space is arranged behind the vertical pipe (1), and a second detachable external battery (14) is mounted in the second external battery mounting space;

the goods shelf (11) is provided with a storage box frame (17) for people to take, a storage box (18) is rotatably arranged on the storage box frame (17), when the storage box (18) is in a storage state, the storage box (18) is horizontally arranged on the storage box frame (17), and the box bottom of the storage box (18) covers the storage box frame (17); when the storage box (18) is in a turnover state, the storage box (18) stands upright or obliquely and backwards at the rear end of the storage box frame (17), and the box bottom of the storage box (18) can be used as a backrest for people to lean against;

the vertical tube (1) is internally provided with a vertical tube battery installation cavity (1a), the inclined tube (2) is internally provided with an inclined tube battery installation cavity (2a), the vertical tube battery installation cavity (1a) and the inclined tube battery installation cavity (2a) are both internally provided with a plurality of batteries (3), the batteries (3) positioned in the vertical tube battery installation cavity (1a) are sequentially arranged along the extension direction of the vertical tube (1) one by one, and the batteries (3) positioned in the inclined tube battery installation cavity (2a) are sequentially arranged along the extension direction of the inclined tube (2) one by one;

the wheel comprises a hub inner ring (19), a hub outer ring (20) concentrically arranged outside the hub inner ring (19) and a plurality of elastic support rings (21) annularly distributed between the hub inner ring (19) and the hub outer ring (20), wherein the elastic support rings (21) are all in an annular structure and have elasticity, inner ring mounting structures respectively corresponding to the elastic support rings (21) are arranged on the hub inner ring (19), outer ring mounting structures respectively corresponding to the elastic support rings (21) are arranged on the hub outer ring (20), and the elastic support rings (21) are respectively connected to the corresponding inner ring mounting structures and outer ring mounting structures in an elastic supporting manner;

the saddle comprises a seat cushion (22), the front end of the seat cushion (22) is recessed backwards to form an arc-shaped yielding notch (22a), and the arc-shaped yielding notch (22a) is of an arc-shaped structure and is located in the middle of the front end of the seat cushion (22).

2. The multifunctional electric bicycle with long endurance comfort as claimed in claim 1, wherein: one end of the inclined tube (2) connected with the vertical tube (1) is widened to form a widened installation part (2b), and a lithium battery balance protection plate (6) and one or two batteries (3) which are transversely arranged side by side are accommodated in an inner cavity of the widened installation part (2 b).

3. The multi-functional long endurance comfortable electric bicycle of claim 1, characterized in that: the bicycle is characterized in that the vertical pipe (1) is of a straight pipe structure, the inclined pipe (2) is of a bent pipe structure protruding downwards, the lower end part of the vertical pipe (1) is connected with the lower end part of the inclined pipe (2) through a hinge (2c) to form a V-shaped connecting structure capable of being folded left and right or folded up and down, a saddle (7) is arranged at the upper end part of the vertical pipe (1), and the upper end part of the inclined pipe (2) is connected with a head pipe (8) of a bicycle frame.

4. The multi-functional long endurance comfortable electric bicycle of claim 1, characterized in that: the both sides of storage tank frame (17) are equipped with two downwardly extending's storage tank frame installation pipe (17b) respectively, the both sides of goods shelves (11) are provided with at least a set of installation tube sleeve group along goods shelves (11) length direction evenly distributed respectively, and every group installation tube sleeve group includes two installation tube sleeves (11a) that suit with corresponding storage tank frame installation pipe (17b) respectively, and each storage tank frame installation pipe (17b) inserts behind the installation tube sleeve (11a) that corresponds and locks through locking component (23).

5. The multifunctional electric bicycle with long endurance comfort according to claim 1 or 4, wherein: the upper surface of the storage box frame (17) is provided with a back row seat cushion (17a), and the bottom surface of the storage box (18) is provided with a backrest cushion (18 a).

6. The multi-functional long endurance comfortable electric bicycle of claim 1, characterized in that: the utility model discloses an elastic support ring, including elastic support ring (21), outer lane mounting structure, inner ring mounting structure, elastic support ring (21) are annular thin slice structure, outer lane mounting structure is support ring mount pad (24) of fixed mounting in wheel hub outer lane (20) inboard, set up on support ring mount pad (24) and correspond flat hole (24a) that elastic support ring (21) suited, inner ring mounting structure is including shaping support ring constant head tank (19a) on wheel hub inner ring (19) outer peripheral face, inner ring mounting structure still including respectively with support ring briquetting (25) that corresponds support ring constant head tank (19a) looks adaptation, each support ring briquetting (25) can be covered on corresponding support ring constant head tank (19a) through a plurality of first locking bolts (26) locking ground respectively to the elastic support ring (21) locking that will correspond is in corresponding support ring constant head tank (19 a).

7. The multi-functional long endurance comfortable electric bicycle of claim 6, characterized in that: the elastic support ring (21) is three in total, the hub outer ring (20) is of a regular hexagonal prism structure, three support ring positioning grooves (19a) are formed in the hub outer ring (20), the three support ring positioning grooves (19a) are uniformly distributed on the outer wall of three sides of the hub outer ring (20) in an annular mode, and the three support ring mounting seats (24) are respectively opposite to the corresponding support ring positioning grooves (19 a).

8. The multi-functional long endurance comfortable electric bicycle of claim 6, characterized in that: the hub inner ring (19) is provided with an equipment mounting cavity (19b) along the rotation axis thereof, the equipment mounting cavity (19b) is internally provided with a hub motor (27), the hub motor (27) comprises a motor mounting shaft (27a), a stator core (27b) and a rotor core (27c), the stator core (27b) is fixedly sleeved on the motor mounting shaft (27a), six stator teeth (27b1) are uniformly distributed on the outer wall of the stator core (27b) along the circumferential direction, coils are wound on each stator tooth (27b1), every two groups of coils which are oppositely arranged are connected in parallel to form a stator winding (27d), the three stator windings (27d) respectively form an X phase, a Y phase and a Z phase, the rotor core (27c) is rotatably sleeved outside the stator core (27b), six rotor teeth (27c1) are uniformly distributed on the inner wall of the rotor iron core (27c) along the circumferential direction.

9. The multi-functional long endurance comfortable electric bicycle of claim 1, characterized in that: the below of seatpad (22) is connected with installation pipe (28) through buffering coupling mechanism, buffering coupling mechanism includes seatpad mount pad (29) of fixed mounting in seatpad (22) lower part, fixed mounting in installation union coupling seat (30) of installation pipe (28) upper end, elastically supports elastic support subassembly (31) between seatpad mount pad (29) and installation union coupling seat (30) and connects the rotation coupling assembling between seatpad mount pad (29) and installation union coupling seat (30), installation pipe (28) can detachably insert in riser (1) or the outside of suit at riser (1).

10. The multi-functional long endurance comfortable electric bicycle of claim 9, wherein: the installation pipe (28) comprises an installation pipe lower section (28a) and an installation pipe upper section (28b) hinged to the upper end of the installation pipe lower section (28a), the installation pipe lower section (28a) can be detachably inserted into the vertical pipe (1) or sleeved outside the vertical pipe (1), the upper end of the installation pipe upper section (28b) is fixedly connected with the installation pipe connecting seat (30), the lower end of the installation pipe upper section (28b) and the upper end of the installation pipe lower section (28a) can be locked through a hoop (32) to enable the seat cushion (22) to be used for sitting, and when the hoop (32) is unlocked, the installation pipe upper section (28b) can rotate relative to the installation pipe lower section (28a) to enable the battery (3) to be installed in the vertical pipe (1) or the battery (3) in the vertical pipe (1) to be taken out.