Two-wheeled vehicle foot supporting device
Technical field
The present invention relates to a kind of bracing or strutting arrangement, relate in particular to the heel brace device of a kind of cart (such as battery-driven car, motor bike).
Technical background
The cart such as battery-driven car, motor bike need to have heel brace that they are supported when parking.The structure of existing Kickstand for two-wheel vehicle comprises extension spring and shaft-like supporter, and supporter is actively connected on the rear chain stay of cart rotationally.Be hinged with trap at supporter, an end of extension spring is connected on the rear chain stay, and the other end is connected to the free end of trap.When parking, supporter can support cart, and can make the position limiting structure between trap and the rear chain stay mutually snap together this moment, so that supporter can stably support cart.The Kickstand for two-wheel vehicle of existing this structure, although its structure is comparatively simple, when parking, the rear chain stay that need to hold in the palm, or use the pedal supporter, if the cart load-carrying is more, the very effort of parking then can seem.
(CN201310718Y) discloses a kind of foot bracket structure in Chinese utility model patent, it includes heel brace frame and lower cover, and the heel brace frame is elongate structure, and its front end has outstanding stopper section, the below, stopper section is the buckling parts of annular arrangement, and the buckling parts below then is the support portion; Under cover and have a breach, this breach can hold the heel brace frame and pass, and be provided with cylindrical convex in the middle of the breach, this convex can be fastened by buckling parts, the heel brace frame is rotated take convex as axle, the stopper section extend in the lower cover simultaneously, against the two side of breach, the heel brace frame is had open the effect that supports lower cover or closure in heel brace frame rotary course.The heel brace frame of this structure is on the electronic product of desktop type, not too is fit to be applied on the cart, and complex structure.
Summary of the invention
For overcoming defects, the technical issues that need to address of the present invention are: a kind of two-wheeled vehicle foot supporting device is provided, and it makes parking of cart easy and simple to handle laborsaving.
In order to solve the technical problem, technical scheme of the present invention: a kind of two-wheeled vehicle foot supporting device, be located on the rear chain stay of cart, comprise extension spring and shaft-like supporter, supporter is connected on the rear chain stay rotationally, it is characterized in that, one end of extension spring is connected on the rear chain stay, the other end is connected on the supporter, be provided with the toggle mechanism that rotates be used to stirring supporter at rear chain stay, when supporter contacted with toggle mechanism, the application force that toggle mechanism acts on the supporter was opposite with the force direction that extension spring acts on the supporter.Described toggle mechanism is to be connected with actuating unit on the cart, can drive the toggle mechanism action during actuating unit action, and after toggle mechanism applied application force to supporter, supporter can overcome the pulling force of extension spring and rotate at rear chain stay.Under normal circumstances, supporter is to be struck mechanism's restriction firmly with the approximate direction that parallels with rear chain stay, only under the actuating unit effect, toggle mechanism is removed the application force to supporter, supporter just can turn on the holding state, and need cart that certain inclination is arranged, think that the rotation of supporter provides the space.Therefore, before supporter rotates, both needed actuating unit to make toggle mechanism work, cart is tilted.Actuating unit is provided with control lever or button, and whether the work of actuating unit realizes control by control lever or button.Before cart walking, by the effect of actuating unit, toggle mechanism toggles it to direction with rear chain stay level of approximation to supporter, and in this operating process, cart also certain inclination will occur, and supporter is rotated.Can be provided for the block body of barrier support body on rear chain stay, when supporter turned to the place, Support Position, this block body can stop being rotated further of supporter, thereby supporter is remained on certain position.According to the particular location of block body on rear chain stay, can determine the deflection angle of supporter, thereby make supporter stably support the vehicle body of cart.
As preferably, described toggle mechanism comprises driving lever and rotating shaft, and the rotating shaft bridge joint is on rear chain stay, captives joint with rotating shaft is circumferential in the upper end of driving lever, and supporter is stretched in the lower end.Rotating shaft can be rotated under the effect of actuating mechanism, thereby drives the driving lever action, and driving lever is stirred supporter and rotated in course of action.Simple in structure by the toggle mechanism that driving lever and rotating shaft consist of, and the rotating shaft bridge joint is on rear chain stay, two supporters and extension spring can be set respectively at the both ends of rotating shaft, stability when this had both guaranteed two-wheeled vehicle parking, can tilt successively to both sides by cart simultaneously, and supporter is rotated in turn, improved the comfort feature when parking.
As preferably, the bottom of described driving lever is provided with and pushes away post, pushes away post perpendicular to driving lever, is used for and supporter contacts.When driving lever moves, push away post and contact with the medial surface of supporter, the power of stirring of driving lever acts on supporter by pushing away post, and is simple in structure, compact.
As preferably, between described rotating shaft and rear chain stay, be provided with buckle structure.After buckle structure snapped together, rotating shaft was can not rotate relative to fixing.This buckle structure normally snaps together, be that cart is not when needing to park, buckle structure snaps together, and is similar to the position that supporter parallels thereby toggle mechanism can stably be remained on supporter, has guaranteed the safety in the cart driving process.
As preferably, described buckle structure comprises circumferentially to be located at regularly the locking board in the rotating shaft and to be located at actively snap close on the rear chain stay, and snap close can snap onto on the locking board.Snap close generally is to be connected together with backguy, and behind the backguy pulling snap close, snap close is removed the locking to locking board, and rotating shaft is rotatable.This buckle structure is simple, is convenient to make and operation.
As preferably, described supporter and the joining end of rear chain stay are provided with ratchet, are movably equipped with ratchet between toggle mechanism and ratchet, and the ratchet on the ratchet tilts towards ratchet, is provided with serial verb construction between ratchet and the toggle mechanism.When supporter rotates below the cart, mutual clamping stagnation not between ratchet and the ratchet, and supporter is when wanting backward rotation, and then ratchet can be connected on the ratchet, thus the stability of cart when having guaranteed to park.
As excellent far away, described extension spring and supporter are two, and two supporters are connected in the relative both sides of rear chain stay coaxially.They are two, have improved the stability of cart when parking, and cart park easy to operate.
As preferably, described supporter is provided with the outage control desk, and the outage control desk links with the cut-off switch of being located on the rear chain stay.Supporter is when action, the outage control desk is followed together action, the outage control desk can make cut-off switch that corresponding action occurs after action, thereby so that when parking, cart and power supply disconnect, this is avoided maloperation occurs after parking, and has improved the safety of cart when parking, and this is particularly effective to electric bicycle.
As preferably, described outage control desk is positioned at the inboard of rear chain stay, and the outage control desk links by outage trace and the cut-off switch that is positioned at the rear chain stay outside.The outage control desk is positioned at the inboard of rear chain stay, and is simple and compact for structure, adapted to the structural requirement of cart.
As preferably, be provided with the brake linkage line in the inboard of rear chain stay, the brake linkage line links with the outage control desk.This brake linkage line can be used for being connected with brake on the cart trailing wheel, when parking, because of the outage control desk rotation by the brake linkage line brake of cart is held tightly, the trailing wheel of cart can not rotate, the stability when further having improved two-wheeled vehicle parking.
Therefore, beneficial effect of the present invention:
Because supporter is to be connected in rotationally behind the cart on the chain stay, extension spring one end is connected with supporter, the other end is connected with rear chain stay, under the effect of tension spring tension, supporter can rotate, this has adapted to the mode of operation of cart supporter when parking, the portability when being conducive to two-wheeled vehicle parking well.Can be arranged on supporter one side of rear chain stay, to the inclination of opposite side direction supporter be rotated by cart under the pulling function of extension spring, the cart trailing wheel is without the need for upward motion, and this is so that two-wheeled vehicle parking is simple to operate, laborsaving.Make supporter rise to break away from and the contacting of ground by toggle mechanism, so that the degree of automation of two-wheeled vehicle parking is high, be conducive to improve the class of cart.And because the application force that toggle mechanism acts on the supporter is opposite with the application force that extension spring acts on the supporter, toggle mechanism also can make extension spring can remain on approximate being parallel on the position of rear chain stay, guarantee the when driving positional stability of supporter, improved the safety in the cart driving process.
Description of drawings
Accompanying drawing 1 is the perspective view of two-wheeled vehicle foot supporting device of the present invention.
Accompanying drawing 2 is two-wheeled vehicle foot supporting device of the present invention structural representations in cart driving process.
Accompanying drawing 3 is two-wheeled vehicle foot supporting device of the present invention structural representations when two-wheeled vehicle parking.
The specific embodiment
Two-wheeled vehicle foot supporting device of the present invention is arranged on behind the cart on the chain stay 6, is used in the two-wheeled vehicle parking process cart car body being supported.Its structure comprises extension spring 3 and shaft-like supporter 5, and supporter 5 is connected on the rear chain stay 6 rotationally, and an end of extension spring 3 is connected with rear chain stay 6, and the other end is connected with supporter 5.The position that extension spring 3 is connected with rear chain stay 6 is positioned at the front side of supporter 5, and the position that extension spring 3 is connected with supporter 5 is positioned at the place, position, middle and upper part of supporter 5.In the cart driving process, supporter 5 residing positions are approximate to be parallel to rear chain stay 6, and fits with rear chain stay 6.When cart need to be parked, supporter 5 was to turn to vertical direction under the pulling of extension spring 3, and its bottom supports on the ground.
Be provided with toggle mechanism at rear chain stay 6, toggle mechanism contacts with supporter 5, the opposite direction that the application force that toggle mechanism applies supporter 5 and extension spring 3 are applied to the application force on the supporter 5, toggle mechanism is applied to application force on the supporter 5 in order to overcome extension spring 3, and supporter 5 is rotated towards the direction that supports the cart car body.
The structure of toggle mechanism comprises rotating shaft 12 and driving lever 1, rotating shaft 12 bridge joints are on rear chain stay 6, rotating shaft 12 can be rotated at rear chain stay 6, the upper end of driving lever 1 is connected in the rotating shaft 12, the bottom vertically is provided with and pushes away post 19, relative circumferentially fixing between driving lever 1 and the rotating shaft 12, rotating shaft 12 can drive driving lever 1 and follow together and rotate when rotating.Driving lever 1 is when stirring supporter 5 rotation, and the post 19 that pushes away on the driving lever 1 fits with supporter 5, is used for promoting the action of supporter 5.Described supporter 5, extension spring 3 and driving lever 1 are two, and they are located at the relative both sides of rear chain stay 6, two supporter 5 coaxial being arranged on the rear chain stay 6.Be fixedly connected with return strain plate 11 in rotating shaft 12, return strain plate 11 is connected with return backguy 10, and control lever or button set on return backguy 10 and the cart are connected, and return backguy 10 can rotate rotating shaft 12 by return strain plate 11.
Be provided with buckle structure between rotating shaft 12 and rear chain stay 6, this buckle structure comprises the snap close 8 of being located at actively on the rear chain stay 6 and the locking board 9 that is fixedly connected in the rotating shaft 12.Snap close 8 is positioned at the front side of rotating shaft 12, and snap close 8 can snap onto on the locking board 9, and snap close 8 limits the deflection angle of rotating shaft 12 by the snapping with locking board 9, thereby makes driving lever 1 be positioned at a fixed position, and then makes supporter 5 be positioned at the state of packing up.Snap close 8 is connected with dropout backguy 7, and dropout backguy 7 is connected with control lever or button on being located at cart, operates this control lever or button, can make snap close 8 and locking board 9 be interlockingly connected or be separated.Be provided with snap close maintenance torsion spring 16 at rear chain stay 6, snap close maintenance torsion spring 16 1 ends act on the rear chain stay 6, and on the other end effect snap close 8, snap close maintenance torsion spring 16 makes snap close 8 have rotation trend towards locking board 9.
Two supporters 5 are provided with fan-shaped ratchet 18 with rear chain stay 6 joining ends, and this ratchet 18 is connected as a single entity with supporter 5.Be connected to two ratchets 2 at rotating shaft 12 first line of a couplet, the outer face of ratchet 18 is provided with some ratchets, and these ratchets all tilt towards ratchet 2 directions, and the free end of ratchet 2 can be connected on the ratchet.Be socketed with return torsion spring 13 in rotating shaft 12, one end of return torsion spring 13 acts in the rotating shaft 12, and the other end acts on the ratchet 2, and ratchet 2 is to be connected in actively in the rotating shaft 12, under the effect of return torsion spring 13, these ratchet 2 free ends have the movement tendency of pressing to ratchet on the ratchet 18.In order to make ratchet 2 can respond rapidly the motion of driving lever 1, be provided with the cross bar that stretches to the outside at driving lever 1, cross bar and ratchet 2 fit, the face that is affixed with cross bar on ratchet 2 is provided with outstanding little convex body, little convex body is positioned at the outside of cross bar, when driving lever 1 was stirred supporter 5 and rotated, cross bar was stirred ratchet 2 by little convex body simultaneously and is rotated towards the direction that deviates from ratchet 18, in order to avoid the end of ratchet 2 is connected between the ratchet on the ratchet 18 supporter 5 can not be packed up.
On a supporter 5, be fixed with an outage control desk 4 with rear chain stay 6 joining positions, the control desk that should break is positioned at the inboard of rear chain stay 6, be provided with cut-off switch 17 in the outside of rear chain stay 6, this cut-off switch 17 can be connected with the power supply of DYN dynamic cart.Be provided with outage trace 14 between outage control desk 4 and cut-off switch 17, outage trace 14 can be followed outage control desk 4 and be rotated together, and outage trace 14 can be controlled disconnection and the conducting of cut-off switch 17 in rotation process.
Also be provided with a brake linkage line 15 in the inboard of rear chain stay 6, brake linkage line 15 is for being connected with the drg of trailing wheel on the cart, brake linkage line 15 is connected with outage control desk 4, outage control desk 4 can be controlled 15 actions of brake linkage line in rotation process, and then makes the drg braking on the cart trailing wheel.Brake linkage line 15 can be to be wound on the outage control desk 4, also can be to be provided with the inclined-plane at outage control desk 4, the end of brake linkage line 15 contacts with the inclined-plane of outage on the control desk 4, and outage control desk 4 is when rotating, and this inclined-plane can impel brake linkage line 15 that corresponding action occurs.Turn in the process of holding state at supporter 5, outage control desk 14 can make brake linkage line 15 impel the braking of cart rear wheel brake; During outage control desk 14 backward rotation, outage control desk 14 can make brake linkage line 15 impel cart rear wheel brake brake off.
When two-wheeled vehicle parking, supporter 5 is to rotate from the approximate position that is parallel to rear chain stay 6.This moment need to be by control lever pulling dropout backguy 7 set on the cart, and snap close 8 is thrown off with locking board 9, meanwhile, unclamp return backguy 13, and rotating shaft 12 is in state free to rotate.Under the effect of extension spring 3 pulling force, supporter 5 rotates, and supporter 5 compressing driving levers 1 rotate.After supporter 5 rotate in place, on the one hand the pulling force of extension spring 3 diminishes, and the free end of ratchet 2 is connected between the ratchet on the ratchet 18, under the mutual clamping effect of ratchet 2 and ratchet 18, supporter 5 can not be done further rotation, thereby makes cart supported firmly.Owing to be two separate supporters 5, two supporters 5 can be rotated respectively, need successively vehicle body to be tilted to both sides, such two supporters 5 can rotate in place respectively, under the combined action of two supporters 5, the trailing wheel of cart can supported built on stilts.In the process of parking, because outage control desk 4 is to follow together to rotate, outage control desk 4 disconnects cut-off switch 17 by outage trace 14, and in this process, brake linkage line 15 can make the drg braking on the cart trailing wheel.In the process of parking, the rotation of supporter 5 provides power by extension spring 3.
Supporter 5 is after supporting to place fully, the barrier structure that pushes away post 19, driving lever 1, rotating shaft 12, return strain plate 11, rear chain stay 6 formations can stop supporter 5 to continue forwards, particularly return strain plate 11 can be turned to the position of rear chain stay 6, rear chain stay 6 can stop the further rotation of return strain plate, in order to avoid cart integral body side shifting backward; The free end of ratchet 2 is connected on the ratchet 18 on the ratchet, and the barrier structure that is made of with ratchet 18 ratchet 2 can stop supporter 5 to rotate backward, in order to avoid cart integral body side shifting forward.Under the restriction effect of this two covers barrier structure, the good stability during two-wheeled vehicle parking.
Before the cart driving, make return backguy 10 pulling return strain plates 11 by control lever, return strain plate 11 rotates rotating shaft 12, and meanwhile, the locking board 9 in the rotating shaft 12 also rotates towards the direction of snap close 8.Rotating shaft 12 can drive driving lever 1 and rotate when rotation, makes supporter 5 overcome the upwards rotation of pulling force of extension spring 3 by pushing away post 19 on the one hand when driving lever 1 rotates; Stir free end that little convex body makes ratchet 2 by cross bar on the other hand and be separated from ratchet on the ratchet 18, so that supporter 5 is rotated swimmingly.When locking board 9 moved to the position of snap close 8, snap close 8 snappings were lived locking board 9, and the position of chain stay 6 after the free end of supporter 5 arrives at this moment.After snap close 8 snappings are lived locking board 9, supporter 5 is very stably remained on the corresponding position.In this process, the turning effort of supporter 5 is provided by return backguy 10.Supporter 5 is in the process of packing up, and outage control desk 4 is followed together backward rotation, when outage control desk 4 rotates, can make cut-off switch 17 pluggeds by outage trace 14, and brake linkage line 15 makes the rear wheel brake brake off on the cart.