Utility model content
A purpose of the present utility model is:There is provided a kind of folded bicycle, by connecting rod folding machine is arranged on folded bicycle
Structure, can simplify folding, deployment step, simplify the operating time.
For reaching this purpose, this utility model employs the following technical solutions:
A kind of folded bicycle is provided, including headstock hinged successively, front chassis and rear chassis, described folded bicycle is provided with
For folding or launching the connecting rod fold mechanism of described folded bicycle, described connecting rod fold mechanism and described headstock, described front chassis
And described rear chassis are hinged, described connecting rod fold mechanism can drive described headstock, described front chassis and described rear chassis to send out
Raw relative motion realizes corresponding folding or expansion operation.
As a kind of preferred technical scheme of described folded bicycle, described connecting rod fold mechanism includes two ends and is respectively articulated with
First linkage unit of described headstock and described front chassis hinged with described first linkage unit and described rear chassis
Two linkage units, can drive described second linkage unit motion, described second linkage unit by controlling described rear chassis motion
Described first linkage unit motion can be driven.
As a kind of preferred technical scheme of described folded bicycle, described first linkage unit includes being hinged
One connecting rod and second connecting rod, described first connecting rod is hinged with described headstock away from one end of described second connecting rod, and described second
Connecting rod is hinged with described front chassis away from one end of described first connecting rod.
As a kind of preferred technical scheme of described folded bicycle, described second linkage unit includes being hinged
Three connecting rods and fourth link, described third connecting rod is articulated with described second connecting rod near institute away from one end of described fourth link
State the position of first connecting rod, described fourth link is hinged with described rear chassis away from one end of described third connecting rod.
As a kind of preferred technical scheme of described folded bicycle, described rear chassis set near one end of described front chassis
It is equipped with hinge connector, it is hinged with described rear chassis that described fourth link passes through described hinge connector.
As a kind of preferred technical scheme of described folded bicycle, described front chassis are provided with can be with respect to before described
The slide mechanism sliding in chassis, described third connecting rod and described fourth link pass through same jointed shaft and described slide mechanism hinge
Connect.
As a kind of preferred technical scheme of described folded bicycle, described front chassis are provided with chute, described slip
Mechanism is the slide block slidably arranging in described chute.
As a kind of preferred technical scheme of described folded bicycle, on described rear chassis and near described rear chassis and institute
The articulated position stating front chassis is provided with handle, and described handle is hinged with described rear chassis.
As a kind of preferred technical scheme of described folded bicycle, described handle two ends are simultaneously located near described rear chassis
Side be provided with expansion fixing groove, on described front chassis with described expansion the corresponding position of fixing groove be provided with block, in institute
In the state of stating folded bicycle expansion, described block is abutted with described handle at described expansion fixing groove.
As a kind of preferred technical scheme of described folded bicycle, described connecting rod fold mechanism is two groups, and symmetrically sets
Put the both sides in described folded bicycle.
The beneficial effects of the utility model are:By arranging connecting rod fold mechanism, in the mistake of folded bicycle folding and expansion
Pass through the linkage of connecting rod fold mechanism in journey it is only necessary to a step controls the relative motion that can achieve the whole position of folded bicycle, enter
And complete to fold, launch operation, and simple to operate, significantly reduce the operation easier of folded bicycle, improve the use of folded bicycle
Family is experienced.Fixing groove and block are launched by setting, when handle and block mutually extrude, pressure angle is just equal to 90 °, is in
Dead-centre position is locked with rear chassis by front chassis.
Brief description
Below according to drawings and Examples, this utility model is described in further detail.
Fig. 1 is folded bicycle perspective view described in embodiment.
Fig. 2 is enlarged drawing at I in Fig. 1.
Fig. 3 is folded bicycle deployed condition schematic side view described in embodiment.
Fig. 4 is folded bicycle folding process intermediateness schematic side view described in embodiment.
Fig. 5 is enlarged drawing at II in Fig. 4.
Fig. 6 is folded bicycle folded state schematic side view described in embodiment.
Fig. 7 is folded bicycle deployed condition perspective view described in embodiment.
Fig. 8 is enlarged drawing at III in Fig. 7.
Fig. 9 is installed on the structural representation in folded bicycle for connecting rod fold mechanism described in embodiment.
Figure 10 is front chassis described in embodiment and rear chassis link position partial enlarged drawing.
Figure 11 is connecting rod fold mechanism deployed condition schematic diagram described in embodiment.
Figure 12 is that (the in figure direction of arrow is each link motion side to connecting rod fold mechanism direction of motion schematic diagram described in embodiment
To).
Figure 13 is connecting rod fold mechanism folded state schematic diagram described in embodiment.
In figure:
100th, headstock;200th, front chassis;300th, rear chassis;401st, first connecting rod;402nd, second connecting rod;403rd, the 3rd even
Bar;404th, fourth link;405th, chute;406th, slide block;407th, hinge connector;408th, launch fixing groove;409th, block;410、
Handle.
Specific embodiment
It is to be understood that the orientation of the instruction such as term " outward ", " interior " or position relationship in description of the present utility model
It is based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and simplify description, rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solution is to restriction of the present utility model.
Additionally, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or
Hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " "
Three ", the feature of " the 4th " can be expressed or implicitly include one or more this feature.
Of the present utility model description in, unless otherwise clearly defined and limited, term " setting ", " connection ", " Gu
Fixed " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be that machinery connects
Connect or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning in this utility model for the above-mentioned term.
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figs. 1-13, in the present embodiment, a kind of folded bicycle described in the utility model, including hinged successively
Headstock 100, front chassis 200 and rear chassis 300, described folded bicycle is provided with the company for folding or launching described folded bicycle
Bar fold mechanism, described connecting rod fold mechanism is hinged with described headstock 100, described front chassis 200 and described rear chassis 300,
Described connecting rod fold mechanism can drive described headstock 100, described front chassis 200 and described rear chassis 300 that relative motion occurs
Realize corresponding folding or expansion operation.
By arranging connecting rod fold mechanism, by the connection of connecting rod fold mechanism during folded bicycle folds and launches
Move it is only necessary to a step controls the relative motion that can achieve the whole position of folded bicycle, and then complete to fold, launch to operate, operation
Simply, significantly reduce the operation easier of folded bicycle, optimize the Consumer's Experience of folded bicycle.
Described connecting rod fold mechanism includes first that two ends are respectively articulated with described headstock 100 and described front chassis 200
Dynamic assembly second linkage unit hinged with described first linkage unit and described rear chassis 300, by controlling described rear bottom
Disk 300 motion can drive described second linkage unit motion, and described second linkage unit can drive described first linkage unit fortune
Dynamic.
Described first linkage unit controllable described headstock 100 and described front bottom under the drive of described second linkage unit
Disk 200 relative motion, when described second linkage unit pulls described first linkage unit to described rear chassis 300 place direction,
Described headstock 100 rotates clockwise around both jointed shafts with respect to described front chassis 200, reaches the overlapping shape of folded bicycle
State, when described second linkage unit promotes described second linkage unit, described headstock 100 phase to described headstock 100 place direction
Described front chassis 200 are rotated counterclockwise around both jointed shafts, reaches the deployed condition of folded bicycle.
Specifically, in the present embodiment, described first linkage unit includes the first connecting rod 401 and second being hinged
Connecting rod 402, described first connecting rod 401 is hinged with described headstock 100 away from one end of described second connecting rod 402, and described second even
Bar 402 is hinged with described front chassis 200 away from one end of described first connecting rod 401.
Described first connecting rod 401 is located at described headstock 100 and described front chassis 200 with the articulated position of described headstock 100
Be hinged the top of position, the athletic meeting of first connecting rod 401 push or pull on described headstock 100 around described headstock 100 with described
The jointed shaft of front chassis 200 rotates,
The second linkage unit described in the present embodiment includes the third connecting rod 403 being hinged and fourth link 404, institute
The one end stating third connecting rod 403 away from described fourth link 404 is articulated with described second connecting rod 402 near described first connecting rod
401 position, described fourth link 404 is hinged with described rear chassis 300 away from one end of described third connecting rod 403.
Second connecting rod 402 as above refers to the length along described second connecting rod 402 near the position of first connecting rod 401
Described second connecting rod 402 is divided into two parts of equal length by direction, and the part near described first connecting rod 401 can become
For described third connecting rod 403 position hinged with described second connecting rod 402.
Position hinged with described second connecting rod 402 for third connecting rod 403 is arranged on second connecting rod 402 near first connecting rod
401 top half is for stress of being more convenient for when third connecting rod 403 drives second connecting rod 402 motion, simultaneously in folded bicycle
In the state of expansion this articulated position can with the articulated position of second connecting rod 402 and front chassis 200 and third connecting rod 403 with
The articulated position three-point shape triangularity structure of fourth link 404, more firmly supports to second connecting rod 402.
Described rear chassis 300 are provided with hinge connector 407, described fourth link near one end of described front chassis 200
404 is hinged with described rear chassis 300 by described hinge connector 407.The purpose of setting hinge connector 407 is to make described
The link position of fourth link 404 and described rear chassis 300 avoids the hinge of described front chassis 200 and described rear chassis 300 as far as possible
Spindle so that control front chassis 200 with respect to rear chassis 300 rotation during rear chassis 300 can have enough rotations
Arm drives fourth link 404 to carry out swing as big as possible, is swung with realizing drivening rod fold mechanism on the whole, thus
Control folding and the expansion of folded bicycle.
In order in expansion and folding process control third connecting rod 403 direction of motion the present embodiment at described front bottom
The slide mechanism that can slide with respect to described front chassis 200 is provided with disk 200, described third connecting rod 403 is with the described 4th even
It is hinged with described slide mechanism that bar 404 passes through same jointed shaft.
Preferably, described front chassis 200 are provided with chute 405, described slide mechanism be described chute 405 in slidably
The slide block 406 of setting.One end that third connecting rod 403 is hinged with fourth link 404 during expansion or folding is all the time
Chute 405 sliding, ensure that the accuracy of the movement locus of connecting rod fold mechanism it is ensured that realizing folding or launch to move
Make.
Control to connecting rod fold mechanism for convenience, the present embodiment is in the rear on chassis 300 and near described rear bottom
Disk 300 and described front chassis 200 articulated position are provided with handle 410, and described handle 410 is hinged with described rear chassis 300.Handle
410 is hinged with rear chassis 300, but when described handle 410 turns to certain angle with respect to described rear chassis 300 described
Handss 410 can drive described rear chassis 300 to rotate with respect to described front chassis 200, and by being arranged on described rear chassis 300
Hinge connector 407 drivening rod fold mechanism motion.
Preferably, described handle 410 two ends be located at the side of described rear chassis 300 is provided with expansion fixing groove
408, described front chassis 200 are provided with block 409 with the described expansion corresponding position of fixing groove 408, in described folding car exhibition
In the state of opening, described block 409 is abutted with described handle 410 at described expansion fixing groove 408.The present embodiment passes through setting
Launch fixing groove 408 and block 409, when handle 410 and block 409 mutually extrude, pressure angle is just equal to 90 °, is now in
Dead-centre position, will be locked with rear chassis 300 for front chassis 200.
Further, connecting rod fold mechanism described in the present embodiment is two groups, and is symmetricly set on described folded bicycle
Both sides.
Connecting rod fold mechanism described in two groups carries out identical synchronization during the folding, expansion of folded bicycle and moves
Make, by described connecting rod fold mechanism be set to two groups can ensure that foldings, expansion during folded bicycle stress balance, thus avoiding
The deformation of connecting rod fold mechanism causes stuck phenomenon.
The expansion of described in the utility model folded bicycle and the process of folding are described below:
Folding operation, when needing to carry out folding operation, folded bicycle is first in deployed condition, now first connecting rod 401 with
Second connecting rod 402 is in dead-centre position, and operator can drive front chassis 200 and rear chassis with a portable handle 410
300 are relatively rotated (rear chassis 300 rotate clockwise) with respect to front chassis 200, and the hinge being arranged on rear chassis 300 connects
Fitting 407 drives fourth link 404 to swing, and fourth link 404 drives third connecting rod 403 and slide block 406 to move in chute 405
Dynamic, third connecting rod 403 one end hinged with second connecting rod 402 swings, and drive second connecting rod 402 is around itself and front chassis 200
Jointed shaft rotate clockwise so that first connecting rod 401 departs from dead-centre position with second connecting rod 402, first connecting rod 401 carries motor-car
100 rotate to described front chassis 200 direction along clockwise direction, continue lift-pull handle 410, are fully achieved rugosity to car load
State.
Launch operation, under folded state as above, operator one holds handle 410, another hand control car
100 rotate in the counterclockwise direction around the jointed shaft of headstock 100 and front chassis 200, take advantage of a situation and are pressed downward handle 410, until front
Chassis 200 is located in same level with rear chassis 300, and first connecting rod 401 recover to dead-centre position with second connecting rod 402 be
Complete folded bicycle expansion operation, fully deployed after continue to push handle 410 block 409 so that being fixed on front chassis 200
With launch fixing groove 408 and coordinate described handle 410 to be extruded so that front chassis 200 are relative with rear chassis 300 locks, because
It is front chassis 200 and rear chassis 300 are around same hinge relative motion, when handle 410 and block 409 mutually extruding
Wait, pressure angle is just equal to 90 °, is in dead-centre position, so front chassis 200 and rear chassis 300 are locked.
It is to be understood that, above-mentioned specific embodiment is only preferred embodiment of the present utility model and institute's application technology
Principle, in technical scope disclosed in the utility model, any those familiar with the art is readily apparent that
Change or replacement, all should cover in protection domain of the present utility model.