CN109319031A

CN109319031A - A kind of damper and balance car of electrodynamic balance vehicle

Info

Publication number: CN109319031A
Application number: CN201810976917.3A
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 one kind and are referred to as " dynamic stability " Basic principle on, using the gyroscope and acceleration transducer of vehicle body, to detect the variation of vehicle body attitude, using watching Control system is taken, 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 It as pot hole generates shake up and down, and is connect because wheel passes through wheel shaft with car body, car body also can be generated accordingly to be trembled up and down It is dynamic, pass through potted road surface to influence user and be difficult to smoothly to drive electrodynamic balance vehicle.

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 shaft generates the movement of shake of pitching with motor vehicles bodies, and then influences the standing of user center of gravity is not on electrodynamic balance vehicle It surely generates to shake and even fall, it is rugged that such electrodynamic balance vehicle user is difficult to driving through for steady control electrodynamic balance vehicle The hollow section of rugged injustice.

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, another End is connect with car body, and 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 not When smooth section, when wheel is by continuous uneven road surface, wheel can there is a phenomenon where pitching to shake generation, and because It is connect by wheel shaft with car body for wheel, the shake up and down of wheel can draw car body, so that car body be made also to pitch The phenomenon that shake, gravity center instability when be easy to causeing user to stand in this way, or even fall from electrodynamic balance vehicle.In electrodynamic balance Damper is set between axletree and car body, and damper one end and wheel axis connection, other end are connect with car body, work as user When driving electrodynamic balance vehicle by continuous fluctuating section, wheel pitches jitter motion at this time, but due to wheel shaft and vehicle It is connect with damper between body, when wheel is shaken up and down, damper point goes a part of wheel to act on the power on wheel shaft, passes The external force led on wheel shaft is accordingly reduced, and wheel shaft is transmitted to the power on car body and also can accordingly reduce, and external force subtracts on the car body for effect Few, the amplitude that car body is shaken up and down is reduced, and then user can comfortably drive electrodynamic balance by continuous bumpy road Section, optimizes 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, described 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 installation Side of the construction section close to linkage section is arranged in seat, first mounting base, and first mounting base and the damper connect It connects.

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 provides There are the time difference is short between cushioning 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 The thickness of the inner convex platform of one mounting base is consistent with the first through slot depth of the wheel shaft construction section, and the inner convex platform is mounted on 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, reduce the production time.First mounting base is provided with inner convex platform, and inner convex platform is mounted on first In through slot, after the two cooperation, big change will not occur for the surface structure of the two, so that component outer structure is simple, optimize 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 circumference Face and first medial surface and the second medial surface are perpendicular, and first medial surface is located at the first through slot close to the one of wheel Side, second medial surface are located at side of first through slot far from wheel, are between first medial surface and the second medial surface Bottom periphery；The inner convex platform includes outer circumference surface and two lateral surfaces, and the outer circumference surface mutually hangs down with described two lateral surfaces It directly, is outer circumference surface between described two lateral surfaces, two lateral surface is vertical with the medial surface of outer housing；The inner convex platform It being mounted in the first through slot, the outer circumference surface of the inner convex platform is bonded with the bottom periphery of the first through slot, and the two of the inner convex platform A lateral surface 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, the first medial surface and second in two lateral surfaces and the first through slot of inner convex platform Medial surface 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 lead to It crosses two lateral surfaces of inner convex platform to act on the first medial surface of through slot and the second medial surface, at this time the first inside of the first through slot Face and the second medial surface can generate a reaction forces to two lateral surfaces of inner convex platform so that the first peace seat dress receive it is outer Axial movement will not be generated when power 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 is not It is directed toward the center of circle, so that opposite rotary motion will not occur between the two, so that the first mounting base is under external force not It can rotate 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 peace of wheel shaft by the gap between the first outer end and the second outer end It fills in section, equal additionally, due to upper end length of first outer end with the second outer end apart from outer housing of outer housing, such first pacifies When dress 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 not Unanimously, 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 normal work Make.

Optionally, first outer end includes first fastening hole, and first fastener hole is a through-hole, and described the One end that proximal port is leaned in the first outer end is arranged in one fastener hole, and second outer end includes second fastening hole, and described second Fastener 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 Set corresponding with second fastening hole position, the first fastening hole and second fastening hole are bolted and match It closes.

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 with axletree construction section It is even closer, it 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, institute Being fixedly connected for third installation base and sleeve is stated, the two is structure as a whole, and the compression leg activity is placed in sleeve；It is described 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；It is described The outer surface of subsidence of first 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 The outer surface of subsidence and inner face Relative vertical of top end face and the described first sub- boss, second top end face and second son The outer surface of subsidence of boss closes 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 passes through continuously not When flat road surface.Wheel can up and down shake, wheel traction wheel shaft up and down shake, third installation base pass through the first mounting base With wheel axis connection, damper can also be moved, and the third installation base of damper can pull the in the first mounting base back and forth One installation base, third installation base are arranged between the first sub- boss and the second sub- boss, and the first sub- boss and the second son are convex Platform can share the power of third installation pullled, so that the uniform force of component, damper can consolidate to be fixed on wheel shaft On.

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 in this way Two lateral surfaces of third installation can be fitted closely with the inner face of the first sub- boss and the second sub- boss, such third peace There is no transportable space between dress boss and the first sub- boss and the second sub- boss, can prevent third installation base from existing It is moved left and right between first sub- boss and the second word boss.

Optionally, the damper includes third installation base, sleeve and compression leg, the third installation base and set The connection of cylinder one end, the third installation base are structure as a whole with the sleeve, and the compression leg is socketed in sleeve；The set Cylinder includes spring, and the spring is arranged in sleeve, and the compression leg includes pressed end and connecting pin, the pressed end and company It connects end to be structure as a whole, the pressed end is placed in sleeve and connect with spring, and affiliated connecting pin is that compression leg extends sleeve One end, the connecting pin are 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 It is that 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 The length that is pressed into increase and increase, after compression leg is pressed into certain length in sleeve, gas pressure intensity in sleeve is greater than above and below car body When pushing the thrust of compression leg when shake, compression leg can not continue to be pressed into toward sleeve, so that spring can not be squeezed, spring there is no Biggish elastic deformation can not provide the power for generating sufficiently large elastic force to offset car body shake, and then influence subtracting for damper Effect is shaken, and then influences 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, the whole process in compression leg compressed spring It can be exhausted, 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 and opens Mouth 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 Boss is limited, the diameter that the limitation boss is located at the limitation boss is 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, the bore be sleeve inner space, the bore be divided into inner section and Open section, described inner section is connected with open section, and described inner section one end close to sleeve and third installation base is open section Close to socket cover one end；Inner section of the diameter is equal with the diameter of compression leg, and the diameter of the open section is straight with limitation boss Diameter is equal, and inner section of the diameter is less than the diameter of 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 boss can be being limited to move in sleeve interior space, similarly It can be moved in open section, meanwhile, it avoids compression leg by excessive external force, in excessive clamp sleeve, causes spring deformation amount mistake Greatly, 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 The mounting hole is connected with the support plate, and 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 It for rotary shaft relative rotation, is connected between such damper and support plate flexibly, if being fixedly connected, wheel and car body are met with It can be transmitted on damper when excessive external force, the junction that may cause damper and wheel shaft and car body when external force is excessive ruptures Damage.

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, protect Demonstrate,prove 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, institute The bottom surface of lower body is stated towards ground, the lower case is for accessory in bearing body；The support plate is arranged in lower case On, 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 Thereon, 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, described Construction section is wheel shaft close to one section of wheel, and the linkage section is one section far from wheel；Wheel shaft peace linkage section includes the Two through-holes, second through-hole is a through-hole and runs through wheel shaft construction section, and the second through-hole setting is close in wheel shaft linkage section The side of car 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 The position of the second through-hole is reserved on shaft part, can be formed after the rear cutting by cutting element, increases structure compared in shaft part, It is simpler that the shaft part process that the mode of through-hole can make is set, 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 is arranged in described in one end that connection boss is connect with the support plate upper bottom surface Through 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, Connect by connection boss with support plate because support plate is a part of car body, wheel shaft with connect after boss connects, prop up Fagging is the main part of the force of car body, and wheel shaft can connect more firm with car body, avoids acting on wheel shaft external force excessive When, wheel shaft 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 The elastic force outside to one, so the construction section of wheel shaft is tilted to wheel direction, the linkage section of such wheel shaft is just in through slot To connection convex platform inclined, if the height of through slot be not more than wheel shaft linkage section diameter, then wheel shaft construction section will block connection it is convex Platform, or even rub between the two, abrasion between the two is caused, the two cisco unity malfunction is caused.

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 includes the first medial surface, the second medial surface, inclined-plane and upper top surface, first inside Face, the 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 side To two opposite faces, first medial surface is opposite with the second medial surface；The inclined-plane and upper top surface are through slot radial direction Two opposite faces, 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 It is tilted to wheel direction.

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 produce wheel shaft A raw thrust, such wheel shaft is tilted by thrust to the direction of wheel, and there are one 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, tiltedly Face can support wheel shaft construction section, and 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 led Draw wheel shaft to shake up and down, it is corresponding, wheel shaft linkage section also can up and down shake, when wheel shaft linkage section be placed on connection boss In through slot, if through slot bottom surface is not provided with notch, the meeting that rotation linkage section is shaken up and down scratch through slot bottom surface can on Top surface, when long action time, can wear connection boss.After notch is arranged, when wheel shaft linkage section is shaken up and down, wheel shaft linkage section can To be moved in spatial gap, reduces wheel shaft construction section and connect the friction between boss, guarantee 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 passes through Wear connection 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, damper is installed Afterwards, 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 The connection one end of boss far from support plate, the first word installation base is arranged in word installation base and the second word installation base And second connect between word installation base with one end of damper.

Damper is between the first word installation base and the second word installation base of the second mounting base, damper and company Boss is connect there are two fixed positions, damping is mounted on the fixation that connection boss passes through two fixed positions, and damper is mounted on It can more be consolidated on connection boss.

Optionally, the wheel shaft includes construction section and linkage section, and the construction section is structure as a whole with linkage section, described 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 installation Side of the construction section close to linkage section is arranged in seat, first mounting base, and first mounting base and the damper connect It connects；The straight length of the second mounting base of the first 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 damping Device installation respectively with first the second mounting base of mounting base distance installation connection after, damper can in the raw under, not by To extruding.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 subtracting Shake device is under no working condition to be extruded, and when damper work, the spring deformation quantity in damper is small, It is rapidly achieved 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 straight length of one the second mounting base of mounting base distance is greater than the length of damper under natural conditions, then damper and first After mounting base is connected with the second mounting base, damper is in the state that is stretched, when wheel jitter amplitude is excessive, in damper When spring is stretched beyond in elastic limit, spring can not be restored to reset condition, so that damper loses the function of damping Energy.

Optionally, the damper includes third installation base, sleeve and compression leg, the third installation base and set The connection of cylinder one end, the third installation base are structure as a whole with the sleeve, and the compression leg is socketed in sleeve；The pressure It is bolted between column and the first word installation base and the second word installation base, the first word installation base and the second word peace The gap length of dress boss is 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 first word peace Fill the diameter that the spacing between boss and the second word installation base is equal to compression leg, compression leg and the first word installation base and the second word Installation base fits closely, in this way column receive under external force will not the first word installation base and the second word installation base it Between generate and move 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, and subtracts Shake 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, first Installation base；21h, sinking plane；21k, through-hole 2；3, damper；31, sleeve；31a, air hole；31b, bore；31c, peace Fill boss, third erecting bed 3；32, spring；33, compression leg；33a, mounting hole；33b, limitation boss；34, socket cover；34a, lead to Hole 1；21L, linkage section；35, outer housing；；37, bottom periphery；38, the first medial surface；39, the second medial surface；40, excircle Face；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 End face；46, the second top end face.

Specific embodiment

It should be noted that term used herein above is not intended to limit and shows just for the sake of description specific embodiment Example 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 spy Fixed orientation construction and operation, therefore be not considered as limiting the invention；Unless otherwise restricted clearly, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or one Ground connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention；Term " first ", " second " are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying It is bright, singular "one", " one " also attempt to include plural number；The meaning of " plurality " is two or more.Here institute The term " includes " and/or "comprising" used provides depositing for stated feature, integer, step, operation, unit and/or component , and do not preclude the presence or addition of other one or more features, 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 Including wheel shaft, the wheel is connected and fixed with wheel shaft, and the wheel shaft is connect with car body, and the wheel is connected by wheel shaft and car body It connects；The damper is arranged between axletree and car body, described damper one end and wheel axis connection, the damper it is another One end is connect with the car body, and the damper is used to reduce the amplitude that car body is shaken up and down.

This programme electrodynamic balance vehicle wheel connect by wheel shaft with car body, when user's driving balance car pass through it is rugged not When smooth section, when wheel is by continuous uneven road surface, wheel can there is a phenomenon where pitching to shake generation, and because It is connect by wheel shaft with car body for wheel, the shake up and down of wheel can draw car body, so that car body be made also to pitch The phenomenon that shake, gravity center instability when be easy to causeing user to stand in this way, or even fall from electrodynamic balance vehicle.In electrodynamic balance Damper is set between axletree and car body, and damper one end and wheel axis connection, other end are connect with car body, work as user When driving electrodynamic balance vehicle by continuous fluctuating section, wheel pitches jitter motion at this time, but due to wheel shaft and It being connect with damper between car body, when wheel is shaken up and down, damper point goes a part of wheel to act on the power on wheel shaft, The external force being transmitted on wheel shaft is accordingly reduced, and wheel shaft is transmitted to the power on car body and also can accordingly reduce, and acts on external force on the car body It reduces, the amplitude that car body is shaken up and down is reduced, and then user can comfortably drive electrodynamic balance by continuous rugged and rough Section optimizes user's driving experience.

As another embodiment of the present invention, with reference to figure x, unlike the embodiments above is, the wheel shaft includes peace Dress section and linkage section, the construction section are structure as a whole with linkage section, and the construction section is one section of wheel shaft close to wheel, institute Stating 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 the side of linkage section, first mounting base is connect with the damper.

Embodiment two

As another embodiment of the present invention, with reference to figure x, unlike the embodiments above is, the damper includes Have third installation base, sleeve and compression leg, the third installation base is connect with sleeve one end, the third installation base with The sleeve is structure as a whole, and the compression leg is socketed in sleeve；The sleeve includes spring, and the spring setting is covering In cylinder, the compression leg includes pressed end and connecting pin, and the pressed end and connecting pin are structure as a whole, and the pressed end is placed in It is connect in sleeve and with spring, affiliated connecting pin is 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, Gas is compressed by external force in sleeve at this time, and the gas volume in sleeve is reduced, pressure being pressed into compression leg of sleeve gas Length increases and increases, after compression leg is pressed into certain length in sleeve, when the gas pressure intensity in sleeve is shaken up and down greater than car body When pushing the thrust of compression leg, compression leg can not continue to be pressed into toward sleeve, so that spring can not be squeezed, there is no biggish for spring Elastic 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 Fruit, and then 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, with reference to figure x, unlike the embodiments above is, under the car body includes Shell and support plate, the lower case are car body close to the one end on ground, and the bottom surface of the lower body is described towards ground Lower case is for accessory in bearing body；The support plate is arranged in lower case, the support plate respectively with wheel shaft and damping Device connection, the 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 up and down shake, when wheel shaft linkage section be placed on connection boss In through slot, if through slot bottom surface is not provided with notch, the meeting that rotation linkage section is shaken up and down scratch through slot bottom surface can on Top surface, when long action time, can wear connection boss.After notch is arranged, when wheel shaft linkage section is shaken up and down, wheel shaft linkage section can To be moved in spatial gap, reduces wheel shaft construction section and connect 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 the is arranged in dress boss and the second word installation base It is connect between two word installation bases with one end of damper.

Example IV

As another embodiment of the present invention, with reference to figure x, unlike the embodiments above is, the wheel shaft includes peace Dress section and linkage section, the construction section are structure as a whole with linkage section, and the construction section is one section of wheel shaft close to wheel, institute Stating linkage section is one section far from wheel；Wheel shaft peace linkage section includes the second through-hole, second through-hole be a through-hole and Through wheel shaft construction section, 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 spiral shell Bolt is connect with the car body.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, cannot recognize Fixed 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, Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present 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 described in claim 1, the wheel shaft includes construction section and linkage section, the peace Dress 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 is arranged in first mounting base, described First mounting base is connect with the damper；The construction section includes the first through slot, and the first through slot setting is installed in wheel shaft Section is close to one end of linkage section；First mounting base includes outer housing and inner convex platform, and the outer housing is set as the first installation For seat ring around the endless member of wheel shaft, the medial surface of outer housing is arranged in the inner convex platform, and the outer housing is integrated with inner convex platform Structure；The thickness of the inner convex platform of first mounting base is consistent with the first through slot depth of the wheel shaft construction section, described interior Boss is mounted in first through slot.

3. a kind of damper of electrodynamic balance vehicle as claimed in claim 2, first through slot includes bottom periphery, in first Side and the second medial surface, the bottom periphery and first medial surface and the second medial surface are perpendicular, first inside Face is located at the first through slot close to the side of wheel, and second medial surface is located at side of first through slot far from wheel, and described It is bottom periphery between one medial surface and the second medial surface；The inner convex platform includes outer circumference surface and two lateral surfaces, described outer Periphery and described two lateral surfaces are perpendicular, are outer circumference surface, two lateral surface and shell between described two lateral surfaces The medial surface of body is vertical；The inner convex platform is mounted in the first through slot, the bottom of the outer circumference surface of the inner convex platform and the first through slot Periphery fitting, two lateral surfaces of the inner convex platform are corresponding and first the first medial surface of through slot, the second outside face paste It closes.

4. a kind of damper of electrodynamic balance vehicle as claimed in claim 3, the radial cross-section of the wheel shaft construction section is rule Ellipse, the inner convex platform cross section are not closed arc.

5. a kind of damper of electrodynamic balance vehicle as claimed in claim 4, first mounting base includes the first installation base, institute The first installation base is stated to be arranged in interior housing tip, first installation base is for connecting damper；The damper includes Third installation base, sleeve and compression leg, the third installation base are fixedly connected with sleeve, and the two is structure as a whole, described Compression leg activity is placed in sleeve；The third installation base is connect with the first installation base；First installation base includes First sub- boss and the second sub- boss, the first word boss and the second word boss are located at the first mounting base outer housing top, the One sub- boss is opposite with the second sub- boss and is not connected to；The first sub- boss includes outer surface of subsidence and inner face, described outer Surface of subsidence is the first sub- boss close to extraneous lateral surface, and the end face is the first sub- boss far from extraneous medial surface；It is described Second sub- boss includes outer surface of subsidence and inner face, and the outer surface of subsidence is the second sub- boss close to extraneous lateral surface, institute Stating end face is the second sub- boss far from extraneous medial surface；Sink outside the outer surface of subsidence and the second sub- boss of the first sub- boss Face is plane；The first sub- boss includes the first top end face, and the second sub- boss includes the second top end face；First top end face With the outer surface of subsidence and inner face Relative vertical of the described first sub- boss, second top end face and the described second sub- boss it is outer Surface of subsidence closes inner end towards vertical；First top end face and the second top end face are arcwall face.

6. a kind of damper of electrodynamic balance vehicle described in claim 5, there are between one for the first boss and the second sub- boss Away from the third installation base is socketed between the first sub- boss and the second sub- boss；The thickness etc. of the third installation base In the distance of the first sub- boss and the second sub- boss.

7. a kind of damper of electrodynamic balance vehicle described in claim 1, the damper include third installation base, sleeve And compression leg, the third installation base are connect with sleeve one end, the third installation base is structure as a whole with the sleeve, institute Compression leg is stated to be socketed in sleeve；The sleeve includes spring, and the spring is arranged in sleeve, and the compression leg includes pressed end And connecting pin, the pressed end and connecting pin are structure as a whole, the pressed end is placed in sleeve and connect with spring, affiliated to connect Connecing end is one end that compression leg extends sleeve, and the connecting pin is connect with car body；The sleeve includes air hole, the air hole For a perforation, the air hole runs through the barrel of sleeve, and air of the through-hole in sleeve is in communication with the outside.

8. a kind of damper of electrodynamic balance vehicle as claimed in claim 7, the air hole setting is installed in sleeve close to third On the end face of boss.

9. a kind of damper of electrodynamic balance vehicle according to any one of claims 8, the sleeve includes socket cover, and the upper shield is for sealing Sleeve is closed, the socket cover is placed on sleeve openings end, and the socket cover includes first through hole, and the first through hole is one logical Hole, through socket cover, the compression leg includes limitation boss, and the diameter that the limitation boss is located at the limitation boss is greater than institute State the diameter of first through hole；The sleeve includes bore, the bore be sleeve inner space, the bore be divided into inner section and Open 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 leans on Nearly socket cover one end；Inner section of the diameter is equal with the diameter of compression leg, the diameter of the open section and the diameter of limitation boss Equal, inner section of the diameter is less than the diameter of open section.

10. a kind of electrodynamic balance vehicle, device feature includes claim 1 to requiring 9 any dampers.