CN109319032A

CN109319032A - A kind of damper and balance car of electrodynamic balance vehicle

Info

Publication number: CN109319032A
Application number: CN201810976936.6A
Authority: CN
Inventors: 苏航
Original assignee: Shenzhen Pilot Zhiyuan Technology Co Ltd
Current assignee: Shenzhen Pilot Zhiyuan Technology Co Ltd
Priority date: 2018-08-26
Filing date: 2018-08-26
Publication date: 2019-02-12

Abstract

The invention discloses the damper and balance car of a kind of electrodynamic balance vehicle, a kind of damper of electrodynamic balance vehicle, the electrodynamic balance vehicle includes car body, wheel and damper；The wheel includes wheel shaft, and the wheel is connected and fixed with wheel shaft, and the wheel shaft is connect with car body, and the wheel is connect by wheel shaft with car body；The damper is arranged between axletree and car body, and described damper one end and wheel axis connection, the other end of the damper are connect with the car body, and the damper is used to reduce the amplitude that car body is shaken up and down.It installs a damper additional between wheel shaft and support plate, car body can be alleviated in the shake of uneven road surface.

Description

A kind of damper and balance car of electrodynamic balance vehicle

Technical field

This programme is related to electrodynamic balance vehicle, more specifically, being related to a kind of damper of electrodynamic balance vehicle

Background technique

Balance car, is called body-sensing vehicle, thinking vehicle, and operation principles are mainly built upon a kind of referred to as " dynamic stability " In basic principle, servo control is utilized to detect the variation of vehicle body attitude using the gyroscope and acceleration transducer of vehicle body System processed, accurately driving motor is adjusted correspondingly, to keep the balance of system.

Electrodynamic balance vehicle includes car body and wheel, and the wheel includes wheel shaft, the wheel is connected by wheel shaft and car body It connects, when user stands on electrodynamic balance vehicle and travels electrodynamic balance vehicle traveling on rugged road surface, wheel meeting As pot hole generates shake up and down, and it is connect because wheel passes through wheel shaft with car body, car body also can accordingly generate shake up and down, It is difficult to smoothly to drive electrodynamic balance vehicle to influencing user and passes through potted road surface.

Existing electrodynamic balance vehicle is not provided with damping part, passes through hollow section when user drives electric flat carriage When, wheel can generate the movement for the shake that pitches due to Uneven road, and due to being not provided with damping part, wheel can pass through wheel Axis generates the movement of shake of pitching with motor vehicles bodies, so influence the standing of user on electrodynamic balance vehicle gravity center instability and It generates to shake and even fall, it is rugged and rough that such electrodynamic balance vehicle user is difficult to driving through for steady control electrodynamic balance vehicle Hollow section.

Summary of the invention

Technical problem to be solved by the invention is to provide

The purpose of the present invention is achieved through the following technical solutions:

The invention discloses a kind of dampers of electrodynamic balance vehicle

The damper of the electrodynamic balance vehicle, the electrodynamic balance vehicle include wheel, car body, wheel shaft and damper, described Wheel and the wheel axis connection, the wheel shaft are flexibly connected with the car body, described damper one end and wheel axis connection, the other end It is connect with car body, the damper is used to reduce the amplitude of car body shake.

This programme electrodynamic balance vehicle wheel connect by wheel shaft with car body, when user's driving balance car pass through it is rugged and rough When whole section, when wheel is by continuous uneven road surface, wheel can be there is a phenomenon where pitching to shake generation, and because vehicle Wheel is connect by wheel shaft with car body, and the shake up and down of wheel can draw car body, so that car body be made also to pitch shake The phenomenon that, gravity center instability when be easy to causeing user to stand in this way, or even fall from electrodynamic balance vehicle.In electrodynamic balance axletree Damper is set between car body, and damper one end and wheel axis connection, other end are connect with car body, when user's driving is electronic When balance car is by continuous fluctuating section, wheel pitches jitter motion at this time, but due to equal between wheel shaft and car body It is connect with damper, when wheel is shaken up and down, damper point goes a part of wheel to act on the power on wheel shaft, is transmitted on wheel shaft External force accordingly reduce, wheel shaft is transmitted to the power on car body and also can accordingly reduce, and external force is reduced on the car body for effect, above and below car body The amplitude of shake is reduced, and then user can comfortably drive electrodynamic balance by continuous rugged and rough section, and optimizing makes User's driving experience.

Optionally, the wheel shaft includes construction section and linkage section, and the construction section is structure as a whole with linkage section, the peace Filling section is wheel shaft close to one section of wheel, and the linkage section is one section far from wheel；The construction section includes the first mounting base, Side of the construction section close to linkage section is arranged in first mounting base, and first mounting base is connect with the damper.

The first mounting base is arranged in this programme on wheel shaft construction section, one end of the mounting base and damper connect, the One mounting base is located on wheel shaft, provides a connecting node in wheel shaft in this way for damper, this wheel shaft is connected by this node It connects, when wheel jolts the movement of shake, because connecting with wheel, wheel can draw wheel shaft and jitter motion occurs wheel shaft, Again because of the first mounting base connection on one end and wheel shaft of damper, when wheel shaft is shaken, damper also can be with wheel shaft Movement and move synchronously, such damper can play the effect of its damping at the time of taking turns dither axis, and damper offer subtracts There are the time difference is short between shake effect and wheel dither axis, and then guarantee that damper can effectively play its cushioning effect.

Optionally, the construction section includes the first through slot, and first through slot is arranged in wheel shaft construction section close to linkage section One end；First mounting base includes outer housing and inner convex platform, and the outer housing is set as the first mounting base around wheel shaft The medial surface of outer housing is arranged in endless member, the inner convex platform, and the outer housing is structure as a whole with inner convex platform；Described first The thickness of the inner convex platform of mounting base is consistent with the first through slot depth of the wheel shaft construction section, and the inner convex platform is mounted on described In first through slot.

The first through slot is arranged in this programme on the construction section of wheel shaft, and such processing method is compared to be increased additionally in wheel shaft Structure, process is simpler, reduces the production time.First mounting base is provided with inner convex platform, and it is logical that inner convex platform is mounted on first In slot, after the two cooperation, big change will not occur for the surface structure of the two, so that component outer structure is simple, optimizing makes User is to electrodynamic balance vehicle details visual experience.

Optionally, first through slot includes bottom periphery, the first medial surface and the second medial surface, the bottom periphery Perpendicular with first medial surface and the second medial surface, first medial surface is located at the first through slot close to the side of wheel, Second medial surface is located at side of first through slot far from wheel, is bottom circle between first medial surface and the second medial surface Circumferential surface；The inner convex platform includes outer circumference surface and two lateral surfaces, and the outer circumference surface and described two lateral surfaces are perpendicular, institute Stating is outer circumference surface between two lateral surfaces, and two lateral surface is vertical with the medial surface of outer housing；The inner convex platform is mounted on In first through slot, the outer circumference surface of the inner convex platform is bonded with the bottom periphery of the first through slot, two outsides of the inner convex platform Face is corresponding and first the first medial surface of through slot, the second lateral surface are bonded.

When inner convex platform is mounted in through slot, in two lateral surfaces and the first through slot of inner convex platform in the first medial surface and second Side fits closely, and when the first mounting base, which receives external force, to be occurred axially movable, the power for acting on the first mounting base can pass through Two lateral surfaces of inner convex platform act on the first medial surface of through slot and the second medial surface, at this time the first medial surface of the first through slot with Second medial surface can generate a reaction force to two lateral surfaces of inner convex platform, so that the first peace seat fills when receiving external force not Axial movement can be generated on wheel shaft.

Optionally, the radial cross-section of the wheel shaft construction section is regular ellipse, and the inner convex platform cross section is not seal Close arc.

It is interior since the cross section of the two cooperation is oval in this way when in the through slot that inner convex platform is placed on wheel shaft installation Boss outer circumference surface and through slot bottom circumference fit closely, when the first mounting base receives, and rotary motion occurs under external force, by It is regular ellipse arc in the first through slot contact surface of inner convex platform, the power for acting on binding face between inner convex platform and through slot does not refer to To the center of circle, so that opposite rotary motion will not occurs between the two, so that the first mounting base under external force will not It rotates in wheel shaft construction section.

Optionally, the outer housing includes the first outer end and the second outer end, and first outer end and the second outer end are shell Body is around the shell of the wheel shaft construction section, and first outer end and second outer end are opposite and are not connected to, outside described first There are gap between end and the second outer end, first outer end, the second outer end are equidistant apart from outer housing top.

Such first mounting base can be mounted on the installation of wheel shaft by the gap between the first outer end and the second outer end Duan Shang, such first installation equal additionally, due to upper end length of first outer end with the second outer end apart from outer housing of outer housing When seat is mounted on wheel shaft and installs, it is equal that both ends are fixed on wheel shaft installation stress, if distance of two outer ends apart from outer housing is different Cause, both ends must stress it is not of uniform size, when the time is long, will cause damage, the first mounting base made can not work normally.

Optionally, first outer end includes first fastening hole, first fastener hole be a through-hole, described first One end that proximal port is leaned in the first outer end is arranged in fastener hole, and second outer end includes second fastening hole, and described second is tight Solid hole is a through-hole, and one end that proximal port is leaned in the second outer end, the first fastening hole position is arranged in second fastener hole Corresponding with second fastening hole position, cooperation is bolted in the first fastening hole and second fastening hole.

After fixation is bolted in first fastening hole and second fastening hole, outer housing external end impacts, so that First mounting base inner convex platform compresses the through slot of wheel shaft construction section, so that the first mounting base is bonded more with axletree construction section Step up it is close, further will be on the first fixing seat firm installation wheel shaft.

Optionally, first mounting base includes the first installation base, and first installation base is arranged on inner housing top End, first installation base is for connecting damper；The damper includes third installation base, sleeve and compression leg, described Third installation base is fixedly connected with sleeve, and the two is structure as a whole, and the compression leg activity is placed in sleeve；The third Installation base is connect with the first installation base.

The first installation base, the third installation base company of the first installation base and damper are provided in first mounting base It connects, so that wheel shaft is connected and fixed with damper, if not being fixedly connected without the two, when wheel shaft is shaken by external force, Damper is asynchronous with wheel shaft movement, and since under effect of inertia, damper is easy to slide in wheel shaft.

Optionally, first installation base includes the first sub- boss and the second sub- boss, the first word boss and the Two word boss are located at the first mounting base outer housing top, and the first sub- boss is opposite with the second sub- boss and is not connected to；Described first Sub- boss includes outer surface of subsidence and inner face, and the outer surface of subsidence is the first sub- boss close to extraneous lateral surface, the end Face is the first sub- boss far from extraneous medial surface；The second sub- boss includes outer surface of subsidence and inner face, it is described it is outer under Heavy face is the second sub- boss close to extraneous lateral surface, and the end face is the second sub- boss far from extraneous medial surface；Described The outer surface of subsidence of one sub- boss and the outer surface of subsidence of the second sub- boss are plane.

When the outer surface of subsidence of two sub- boss of the first installation base is plane, bolt is arranged in surface of subsidence outside sub- boss When, the outer end face of bolt is fitted closely with outer surface of subsidence, and when bolt tightens, fitting can be passed by the binding face of the two Pass, if the two binding face is not plane, then both do not come into full contact with, the downside discontinuity of sub- boss, stress is big Ground contact portion time length can oppress sub- boss, the damage of component is in turn resulted in, if the lateral surface of sub- boss is arranged to sink Plane, the lateral surface and bolt of sub- boss are abundant, while what bolt can also be stronger is mounted on the first installation base.

Optionally, the described first sub- boss includes the first top end face, and the second sub- boss includes the second top end face；Institute first pushes up The outer surface of subsidence and inner face Relative vertical of end face and the described first sub- boss, second top end face and the described second sub- boss Outer surface of subsidence close inner end towards vertical；First top end face and the second top end face are arcwall face.

The top end face of the first sub- boss and the second sub- boss is arcwall face, after the first mounting base is connect with damper, Third installation base on damper can rotate with the round and smooth cambered surface of first mounting base, prevent damper worked Third installation base and the first installation base in the first mounting base are stuck in journey, and then guarantee that damper works normally.

Optionally, there are a spacing, the third installation base is socketed in first for the first boss and the second sub- boss Between sub- boss and the second sub- boss.

Third installation base is mounted between the first sub- boss and the second sub- boss, when electrodynamic balance vehicle is by continuous uneven Road surface when.Wheel can up and down shake, wheel traction wheel shaft up and down shake, third installation base by the first mounting base and wheel Axis connection, damper can also move, and the third installation base of damper can pull the first peace in the first mounting base back and forth Boss is filled, third installation base is arranged between the first sub- boss and the second sub- boss, and the first sub- boss and the second sub- boss can To share the power of third installation pullled, so that the uniform force of component, damper can consolidate to be fixed on wheel shaft.

Optionally, the thickness of the third installation base is equal to the distance of the first sub- boss and the second sub- boss.

The thickness of third installation base is equal to the distance of the first sub- boss and the second sub- boss, can make the in this way Two lateral surfaces of three installations can be fitted closely with the inner face of the first sub- boss and the second sub- boss, and such third installation is convex There is no transportable space between platform and the first sub- boss and the second sub- boss, third installation base can be prevented in the first son It is moved left and right between boss and the second word boss.

Optionally, the damper includes third installation base, sleeve and compression leg, the third installation base and sleeve One end connection, the third installation base are structure as a whole with the sleeve, and the compression leg is socketed in sleeve；The sleeve packet Spring is included, the spring is arranged in sleeve, and the compression leg includes pressed end and connecting pin, and the pressed end and connecting pin are Integral structure, the pressed end are placed in sleeve and connect with spring, and affiliated connecting pin is one end that compression leg extends sleeve, institute Connecting pin is stated to connect with car body.

When electrodynamic balance vehicle traveling in continuous up-and-down surfaced road, wheel can occur up and down shake, car body by wheel shaft with Wheel connection, damper are arranged between wheel shaft and car body, and damper compression leg connecting pin is connect with car body, when car body shake, For car body because connecting with the compression leg of damper, compression leg can squeeze the spring in dampener sleeve with the shake up and down of car body, subtract Power of the elastic force come negative function on the car body caused by the elastic deformation that shake device is generated by spring-compressed may further be Car body receives smaller external force, so that the amplitude of car body shaken up and down is reduced.

Optionally, the sleeve includes air hole, and the air hole is a perforation, and the air hole runs through the cylinder of sleeve Wall, air of the through-hole in sleeve are in communication with the outside.

Air hole is arranged in this programme on the sleeve of damper, and lower shake, pushes compression leg toward the inside of sleeve on the car body It squeezes, gas is compressed by external force in sleeve at this time, and the gas volume in sleeve is reduced, and the pressure of sleeve gas is with compression leg It is pressed into length to increase and increase, after compression leg is pressed into certain length in sleeve, the gas pressure intensity in sleeve is greater than car body and trembles up and down When pushing the thrust of compression leg when dynamic, compression leg can not continue to be pressed into toward sleeve, so that spring can not be squeezed, there is no larger for spring Elastic deformation, the power for generating sufficiently large elastic force to offset car body shake can not be provided, and then influence the damping effect of damper Fruit, and then influence the driving experience of user.

Optionally, sleeve is arranged on the end face of third installation base in the air hole.

The air hole setting is in sleeve bottom, and when balance car is by continuous uneven section, wheel is drawn by wheel shaft When car body is shaken, car body pushes compression leg to squeeze spring, and after thoughtfully squeezing elastic deformation occurs for spring, when compression leg does not squeeze spring Afterwards, spring is restored to reset condition, and compression leg can also be pushed by spring and return to home position, and the whole process in compression leg compressed spring is all It can be carried out exhaust, can guarantee that air hole acts on the overall process of compression.

Optionally, the sleeve includes socket cover, and the upper shield is used for sealing sleeve, and the socket cover is placed on sleeve openings End, the socket cover includes first through hole, and the first through hole is a through-hole, and through socket cover, the compression leg includes limit Boss processed, the diameter that the limitation boss is located at the limitation boss are greater than the diameter of the first through hole.

It limits boss diameter and is greater than through-hole 1, skid off compression leg will not from socket cover, prevent compression leg from separating with sleeve.

Optionally, the sleeve includes bore, and the bore is the inner space of sleeve, and the bore is divided into inner section and opens Mouth section, described inner section is connected with open section, and described inner section one end close to sleeve and third installation base is that open section is close Socket cover one end；Inner section of the diameter is equal with the diameter of compression leg, the diameter phase of the diameter and limitation boss of the open section Deng diameter of inner section of the diameter less than open section.

In section diameter it is equal with the diameter of compression leg, the diameter of the open section is equal with the limitation diameter of boss, inner section Diameter be less than open section diameter.When compression leg receives external force can be to move in sleeve interior space, similarly, limitation boss can To be moved in open section, meanwhile, it avoids compression leg by excessive external force, in excessive clamp sleeve, causes spring deformation amount excessive, Reset condition can not be restored to.

Optionally, the socket cover is fixed with sleeve connection, seals sleeve.

Socket cover is fixed with sleeve connection, and compression leg is limited in sleeve, prevents compression leg from popping up.

Optionally, the compression leg connecting pin includes mounting hole, and the mounting hole is a through-hole, and the mounting hole is used for institute It states mounting hole to connect with the support plate, fixation is bolted in the mounting hole and support plate.

It is bolted between mounting hole and support plate together, after compression leg and support connection, compression leg can be with bolt For rotary shaft relative rotation, connected flexibly between such damper and support plate, if being fixedly connected, wheel and car body were met with It can be transmitted on damper when big external force, the junction rupture that may cause damper and wheel shaft and car body when external force is excessive is damaged It is bad.

Optionally, the sleeve includes socket cover, and the distance between the mounting hole and socket cover are greater than equal to spring The maximum flexibility deformation quantity of compression.

The distance between the radial through-hole and socket cover are greater than the maximum flexibility deformation quantity equal to spring-compressed, guarantee The complete compressed spring of compression leg.

Optionally, the car body includes lower case and support plate, and the lower case is car body close to the one end on ground, described The bottom surface of lower body is towards ground, and the lower case is for accessory in bearing body；The support plate is arranged in lower case, The support plate is connect with wheel shaft and damper respectively, and the support plate is for fixing wheel shaft and damping in car body.

Support plate is as the main stressed member of electrodynamic balance vehicle, and intensity is higher, and stress-bearing capability is stronger, and wheel shaft is connected to it On, wheel shaft installation is firm.

Optionally, the wheel shaft includes construction section and linkage section, and the construction section is structure as a whole with linkage section, the peace Filling section is wheel shaft close to one section of wheel, and the linkage section is one section far from wheel；The wheel shaft peace linkage section includes second Through-hole, second through-hole is a through-hole and runs through wheel shaft construction section, and second through-hole is arranged in wheel shaft linkage section close to vehicle The side of body, the through-hole are connect for bolt to be arranged with the car body.

By the way that the second through-hole is arranged in wheel shaft linkage section, through-hole is set in shaft part, in shaft part manufacturing process, it is only necessary to axis The position of the second through-hole is reserved in section, can be formed after the rear cutting by cutting element, increases structure, setting compared in shaft part The shaft part process that the mode of through-hole can make is simpler, reduces the production time of shaft part.

Optionally, the support plate includes upper bottom surface and connection boss, and the upper bottom surface is support plate far from shell of getting off One plane；The connection boss is arranged on the support plate upper bottom surface and is located at support plate upper ground surface close to one end of wheel； The connection boss includes through slot, and the through slot, which is arranged in described in one end that connection boss is connect with the support plate upper bottom surface, to be led to Slot is through connection boss, and the through slot is for placing wheel shaft construction section.

Support plate is provided with connection boss, and connection boss gives up friendly through slot, and wheel shaft construction section can be placed among through slot, leads to Connection boss is crossed to connect with support plate because support plate is a part of car body, wheel shaft with connect boss connection after, support plate The main part of the force of car body, wheel shaft can be connected with car body it is more firm, avoid acting on wheel shaft external force it is excessive when, wheel shaft It can fall off from car body, guarantee the safety that balance car uses.

Optionally, the through slot height is greater than the diameter of wheel shaft.

When electrodynamic balance vehicle is in and stationary state is not used, wheel shaft at this time due under the effect of damper inner spring by One outside elastic force, thus the construction section of wheel shaft to wheel direction tilt, the linkage section of such wheel shaft just in through slot to Convex platform inclined is connected, if the height of through slot is not more than wheel shaft linkage section diameter, then wheel shaft construction section will block connection boss, It even rubs between the two, causes abrasion between the two, lead to the two cisco unity malfunction.

Optionally, the width of the through slot is equal to wheel shaft linkage section diameter.

When wheel shaft linkage section is placed in through slot, because of the wheel shafts linkage section diameter length such as width of through slot, through slot The outer circumference surface of two inner sidewalls and wheel shaft construction section fits closely, and does not have gap between through slot and wheel shaft construction section, and then limit Wheel shaft moves in through slot.

Optionally, the through slot include the first medial surface, the second medial surface, inclined-plane and upper top surface, first medial surface, Second medial surface, inclined-plane and upper top surface are through slot inner surface, and the first side and second side are through slot axial direction phase Pair two faces, first medial surface is opposite with the second medial surface；The inclined-plane is that through slot radial direction is opposite with upper top surface Two faces, the upper top surface and the inclined-plane are opposite, and the upper top surface is through slot inner sidewall upper surface, and the inclined-plane is to wheel Direction inclination.

Inclined-plane is set by the inner wall in through slot, when balance car is in unused state, axletree construction section is placed on In through slot, since the damper moment is in compressed state, due to the elastic deformation of damper, damper can generate wheel shaft One thrust, such wheel shaft is tilted by thrust to the direction of wheel, and there are a folders between horizontal plane Angle, so the linkage section of wheel shaft can also be tilted in through slot.Wheel shaft is placed in through slot, and wheel shaft linkage section is placed on inclined-plane, inclined-plane Wheel shaft construction section can be supported, it is excessive to limit inclination of wheel shaft under the action of damper.

Optionally, the through slot includes notch, and the notch is a through-hole, and the bottom surface of through slot is arranged in the notch, The notch is adjacent with inclined-plane and runs through the support plate, and the notch is used to provide the space of wheel shaft rotation.

Notch is arranged in the through slot, and when balance car passes through continuously fluctuating section, wheel can be shaken, and wheel can be drawn Wheel shaft shake up and down, it is corresponding, wheel shaft linkage section also can shake up and down, when wheel shaft linkage section is placed on connection boss through slot In the middle, if through slot bottom surface is not provided with notch, the bottom surface that the meeting that rotation linkage section is shaken up and down scratches through slot can go up top surface, Connection boss can be worn when long action time.After notch is arranged, when wheel shaft linkage section is shaken up and down, wheel shaft linkage section can lacked Mouth spatial movement reduces wheel shaft construction section and connects the friction between boss, guarantees normal operation between component.

Optionally, the connection boss includes third through-hole, and the third through-hole is a through-hole, and the third through-hole runs through Connect boss；Cooperated between second through-hole and third through-hole by bolt.

After second through-hole and third through-hole cooperation, wheel shaft linkage section is movably fixed on containing plate, and wheel shaft can be with bolt It is rotated for the center of circle, and is unable to axe movement, when vehicle wheel rotation, wheel shaft is remained stationary, and such wheel shaft will not divide wheel movement When required power, ensure that the output of wheel power.

Optionally, the support plate includes connection boss, and the connection boss is located at the top of support plate.

Damper is mounted between wheel shaft and connection boss, and only connection boss is above support plate, and people station is electronic flat When passing through out-of-flatness section above weighing apparatus vehicle, ability compressed spring plays damping effect.

Optionally, the connection boss includes the second mounting base, and second mounting base is arranged above through slot and is located at On the one side of wheel, second mounting base is connected with the damper.

The second mounting base on connection boss is connect with damper, provides fixed installation point, after damper is installed, The damper made is constantly in compressed state.

Optionally, second mounting base include include the first word installation base and the second word installation base, described first Word installation base and the second word installation base be arranged in connection the one end of boss far from support plate, the first word installation base and It is connect between second word installation base with one end of damper.

Damper mounted in the second mounting base the first word installation base and the second word installation base between, damper with connect For boss there are two fixed positions, damping is mounted on the fixation that connection boss passes through two fixed positions, and damper is mounted on company Connecing can more consolidate on boss.

Optionally, the wheel shaft includes construction section and linkage section, and the construction section is structure as a whole with linkage section, the peace Filling section is wheel shaft close to one section of wheel, and the linkage section is one section far from wheel；The construction section includes the first mounting base, Side of the construction section close to linkage section is arranged in first mounting base, and first mounting base is connect with the damper；Institute The straight length for stating first the second mounting base of mounting base distance is equal to the length of damper under natural conditions.

The straight length of first the second mounting base of mounting base distance is equal to the length of damper under natural conditions, works as damper Installation respectively with first the second mounting base of mounting base distance installation connection after, damper can in the raw under, not by It squeezes.When the straight length of first the second mounting base of mounting base distance is less than the length of damper under natural conditions, then damping Device is under no working condition and is extruded, and when damper work, the spring deformation quantity in damper is small, quickly Reach the maximum of amount of elastic deformation, therefore enough deformation length cannot be provided come the shake of the car body slowed down.When the first installation Straight length of the seat spacing from the second mounting base be greater than the length of damper under natural conditions, then damper and the first mounting base and After the connection of second mounting base, damper is in the state that is stretched, and when wheel jitter amplitude is excessive, damper inner spring is stretched When beyond in elastic limit, spring can not be restored to reset condition, so that damper loses the function of damping.

Optionally, the damper includes third installation base, sleeve and compression leg, the third installation base and sleeve One end connection, the third installation base are structure as a whole with the sleeve, and the compression leg is socketed in sleeve；The compression leg with It is bolted between first word installation base and the second word installation base, the first word installation base and the second word installation base Gap length be equal to the diameter pushed down.

After damper compression leg and the first word installation base and the second word installation base are bolted, the installation of the first word Spacing between boss and the second word installation base is equal to the diameter of compression leg, compression leg and the first word installation base and the second word is installed Boss fits closely, and column is received and will not be generated between the first word installation base and the second word installation base under external force in this way It moves radially, so that connecting more firm between damper and connection boss.

Optionally, the ventilative hole number is two.

Since electrodynamic balance vehicle generally uses outdoors, outdoor road surface there are gravel or other solid granules, this The gravel or sundries of a little solids may be entered in sleeve by air hole, when these sundries are accumulated to some degree, Air hole may be blocked, to cause gas in sleeve that can not exchange with ambient atmos, the pressure of sleeve gas is reinforced, damping Device can not normally work, and influence damper to car body damping effect.

Detailed description of the invention

Fig. 1 is this programme embodiment electrodynamic balance vehicle overall structure diagram；

Fig. 2 is this programme embodiment electrodynamic balance wheel axle structure schematic diagram；

Fig. 3 is this programme embodiment electrodynamic balance vehicle oval recess schematic cross-section；

Fig. 4 is 1 structural schematic diagram of this programme embodiment electrodynamic balance vehicle mounting base；

Fig. 5 is this programme embodiment electrodynamic balance axletree and 1 assembling schematic diagram of mounting base；

Fig. 6 is that this programme embodiment electrodynamic balance axletree and mounting base 1 assemble radial cross-section；

Fig. 7 is that this programme embodiment electrodynamic balance axletree and mounting base 1 assemble axial sectional view；

Fig. 8 is this programme embodiment electrodynamic balance vehicle shock absorber structure schematic diagram；

Fig. 9 is this programme embodiment electrodynamic balance vehicle socket cover structural schematic diagram；

Figure 10 is this programme embodiment electrodynamic balance vehicle damper cross-sectional view；

Figure 11 is this programme embodiment electrodynamic balance vehicle supporting plate structure schematic diagram；

Figure 12 is this programme embodiment electrodynamic balance vehicle support plate gap structure schematic diagram；

Figure 13 is this programme embodiment electrodynamic balance vehicle wheel, wheel shaft, support plate, damper assembling schematic diagram；

Figure 14 is this programme embodiment electrodynamic balance vehicle wheel, wheel shaft, support plate, damper sectional arrangement drawing；

Wherein: car body；11, support plate；11a, connection boss；11b, through slot, the first through slot；11c, inclined-plane；11d, it lacks Mouthful；11e, through-hole 3；11f, mounting base 2；11g, installation base 2；2, wheel；21, wheel shaft；21a, construction section；21b, the first peace Fill seat；21c, the first through slot；21d, inner convex platform；21e, fracture；21f, fastening port, fastener hole；21g, installation base 1, the first peace Fill boss；21h, sinking plane；21k, through-hole 2；3, damper；31, sleeve；31a, air hole；31b, bore；31c, installation are convex Platform, third erecting bed 3；32, spring；33, compression leg；33a, mounting hole；33b, limitation boss；34, socket cover；34a, through-hole 1； 21L, linkage section；35, outer housing；；37, bottom periphery；38, the first medial surface；39, the second medial surface；40, outer circumference surface； 41, lateral surface；42, the first outer end；43, the second outer end；44a, the first sub- boss；44b, the second sub- boss；45, the first top Face；46, the second top end face.

Specific embodiment

It should be noted that term used herein above is not intended to limit example just for the sake of description specific embodiment Property embodiment.

For example, term " center ", " transverse direction ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore be not considered as limiting the invention；Unless otherwise restricted clearly, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the present invention；Term " first ", " second " are used for description purposes only, and are not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with Explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, singular "one", " one " also attempt to include plural number；The meaning of " plurality " is two or more.Term " packet used herein above Include " and/or "comprising" provide the presence of stated feature, integer, step, operation, unit and/or component, and be not excluded for depositing Or one or more other features of addition, integer, step, operation, unit, component and/or combination thereof.

The damper and balance car of a kind of electrodynamic balance vehicle of the embodiment of the present invention are described below with reference to Fig. 1 to Figure 14.

A kind of damper of electrodynamic balance vehicle, the electrodynamic balance vehicle include car body, wheel and damper；The wheel packet Wheel shaft is included, the wheel is connected and fixed with wheel shaft, and the wheel shaft is connect with car body, and the wheel is connect by wheel shaft with car body； The damper is arranged between axletree and car body, described damper one end and wheel axis connection, the other end of the damper It is connect with the car body, the damper is used to reduce the amplitude that car body is shaken up and down.

As another embodiment of the present invention, unlike the embodiments above is, the wheel shaft includes construction section and company Section is connect, the construction section is structure as a whole with linkage section, and the construction section is wheel shaft close to one section of wheel, and the linkage section is One section far from wheel；The construction section includes the first mounting base, and first mounting base is arranged in construction section close to linkage section Side, first mounting base connect with the damper.

Embodiment two

As another embodiment of the present invention, unlike the embodiments above is, the damper includes third peace Boss is filled, sleeve and compression leg, the third installation base are connect with sleeve one end, and the third installation base is with the sleeve Integral structure, the compression leg are socketed in sleeve；The sleeve includes spring, and the spring is arranged in sleeve, the pressure Column includes pressed end and connecting pin, and the pressed end and connecting pin are structure as a whole, the pressed end be placed in sleeve and with bullet Spring connection, affiliated connecting pin are one end that compression leg extends sleeve, and the connecting pin is connect with car body.

Air hole is set, on the car body lower shake on the sleeve of damper, pushes compression leg toward the Inner extrusion of sleeve, this When sleeve in gas compressed by external force, the gas volume in sleeve is reduced, and the pressure of sleeve gas is pressed into length with compression leg Degree increases and increases, and after compression leg is pressed into certain length in sleeve, the gas pressure intensity in sleeve, which is greater than when car body is shaken up and down, to be pushed away When the thrust of dynamic pressure column, compression leg can not continue to be pressed into toward sleeve, so that spring can not be squeezed, there is no biggish elasticity for spring Deformation can not provide the power for generating sufficiently large elastic force to offset car body shake, and then influence the damping effect of damper, in turn Influence the driving experience of user.

Air hole setting is in sleeve bottom, and when balance car is by continuous uneven section, wheel draws car body by wheel shaft When shake, car body pushes compression leg to squeeze spring, and after thoughtfully squeezing elastic deformation occurs for spring, after compression leg does not squeeze spring, bullet Spring is restored to reset condition, and compression leg can also be pushed by spring and return to home position, and the whole process in compression leg compressed spring can be into Row exhaust, can guarantee that air hole acts on the overall process of compression.

Optionally, the socket cover is fixed with sleeve connection, seals sleeve.

Embodiment three

As another embodiment of the present invention, unlike the embodiments above is, the car body includes lower case and branch Fagging, the lower case are car body close to the one end on ground, and towards ground, the lower case is used for the bottom surface of the lower body Accessory in bearing body；The support plate is arranged in lower case, and the support plate is connect with wheel shaft and damper respectively, described Support plate is for fixing wheel shaft and damping in car body.

: notch is arranged in the through slot, and when balance car passes through continuously fluctuating section, wheel can be shaken, and wheel can be led Draw wheel shaft to shake up and down, it is corresponding, wheel shaft linkage section also can shake up and down, it is logical that when wheel shaft linkage section, is placed on connection boss In slot, if through slot bottom surface is not provided with notch, the bottom surface that the meeting that rotation linkage section is shaken up and down scratches through slot can go up top Face, when long action time, can wear connection boss.After notch is arranged, wheel shaft linkage section is up and down when shaking, and wheel shaft linkage section can be with It is moved in spatial gap, reduce wheel shaft construction section and connects the friction between boss, guarantee normal operation between component.

Optionally, connection boss includes the second mounting base, and second mounting base is arranged above through slot and is located at close On the one side of wheel, second mounting base is connected with the damper.

Optionally, the second mounting base includes including the first word installation base and the second word installation base, the first word peace The connection one end of boss far from support plate, the first word installation base and second is arranged in dress boss and the second word installation base It is connect between word installation base with one end of damper.

Example IV

As another embodiment of the present invention, unlike the embodiments above is, the wheel shaft includes construction section and company Section is connect, the construction section is structure as a whole with linkage section, and the construction section is wheel shaft close to one section of wheel, and the linkage section is One section far from wheel；The wheel shaft peace linkage section includes the second through-hole, and second through-hole is a through-hole and pacifies through wheel shaft Section is filled, wheel shaft linkage section is arranged in close to the side of car body in second through-hole, and the through-hole is for being arranged bolt and the vehicle Body connection.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims

1. a kind of damper of electrodynamic balance vehicle, the electrodynamic balance vehicle includes wheel, car body, wheel shaft and damper, the vehicle Wheel and the wheel axis connection, the wheel shaft is flexibly connected with the car body, described damper one end with take turns axis connection, the other end and Car body connection, the damper are used to reduce the amplitude of car body shake.

2. a kind of damper of electrodynamic balance vehicle according to claim 1, the car body includes lower case and support plate, described Lower case is car body close to the one end on ground, and for the bottom surface of the lower body towards ground, the lower case is used for bearing body Interior accessory；The support plate is arranged in lower case, and the support plate is connect with wheel shaft and damper respectively, and the support plate is used In fixed wheel shaft and damping on car body；The wheel shaft includes construction section and linkage section, and the construction section is integrated with linkage section Structure, the construction section are wheel shaft close to one section of wheel, and the linkage section is one section far from wheel；The wheel shaft peace connection Section includes the second through-hole, and second through-hole is a through-hole and runs through wheel shaft construction section, and the second through-hole setting connects in wheel shaft Side of the section close to car body is connect, the through-hole is connect for bolt to be arranged with the car body；The support plate include upper bottom surface and Boss is connected, the upper bottom surface is a plane of the support plate far from shell of getting off；The connection boss is arranged in the support plate On bottom surface and it is located at support plate upper ground surface close to one end of wheel；The connection boss includes through slot, and the through slot setting is even Through slot described in one end that boss is connect with the support plate upper bottom surface is connect through connection boss, the through slot is for placing wheel shaft peace Fill section.

3. through slot height described in a kind of damper of electrodynamic balance vehicle is greater than the diameter of wheel shaft according to claim 2.

4. a kind of damper of electrodynamic balance vehicle according to claim 3, it is straight that the width of the through slot is equal to wheel shaft linkage section Diameter.

5. a kind of damper of electrodynamic balance vehicle according to claim 3, the through slot includes the first medial surface, the second inside Face, inclined-plane and upper top surface, first medial surface, the second medial surface, inclined-plane and upper top surface are through slot inner surface, and described first Side and second side are two opposite faces of through slot axial direction, and first medial surface is opposite with the second medial surface；It is described Inclined-plane and upper top surface are opposite two faces of through slot radial direction, and the upper top surface and the inclined-plane are opposite, and the upper top surface is Through slot inner sidewall upper surface, the inclined-plane are tilted to wheel direction.

6. a kind of damper of electrodynamic balance vehicle according to claim 3, the through slot includes notch, and the notch is one logical The bottom surface of through slot is arranged in hole, the notch, and the notch is adjacent with inclined-plane and runs through the support plate, and the notch is used for The space of wheel shaft rotation is provided.

7. a kind of damper of electrodynamic balance vehicle according to claim 3, the connection boss includes the second mounting base, described Second mounting base is arranged in above through slot and is located on the one side of wheel, second mounting base and the damper phase Even；Second mounting base include include the first word installation base and the second word installation base, the first word installation base and The connection one end of boss far from support plate is arranged in second word installation base, and the first word installation base and the installation of the second word are convex It is connect between platform with one end of damper.

8. a kind of damper of electrodynamic balance vehicle according to claim 7, the wheel shaft includes construction section and linkage section, described Construction section is structure as a whole with linkage section, and the construction section is wheel shaft close to one section of wheel, and the linkage section is far from wheel One section；The construction section includes the first mounting base, and side of the construction section close to linkage section, institute is arranged in first mounting base The first mounting base is stated to connect with the damper；The straight length of the second mounting base of the first mounting base distance is equal to damper Length under natural conditions.

9. a kind of damper of electrodynamic balance vehicle according to claim 1, the wheel shaft includes construction section and linkage section, described Construction section is structure as a whole with linkage section, and the construction section is wheel shaft close to one section of wheel, and the linkage section is far from wheel One section；The wheel shaft peace linkage section includes the second through-hole, and second through-hole is a through-hole and runs through wheel shaft construction section, described Wheel shaft linkage section is arranged in close to the side of car body in second through-hole, and the through-hole is connect for bolt to be arranged with the car body；Institute Stating connection boss includes third through-hole, and the third through-hole is a through-hole, and the third through-hole is through connection boss；Described second Cooperated between through-hole and third through-hole by bolt.

10. a kind of electrodynamic balance vehicle, including claim 1 arrive any damper of claim 9.