CN209208964U - A kind of driving mechanism on balance car - Google Patents

A kind of driving mechanism on balance car Download PDF

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Publication number
CN209208964U
CN209208964U CN201822123413.5U CN201822123413U CN209208964U CN 209208964 U CN209208964 U CN 209208964U CN 201822123413 U CN201822123413 U CN 201822123413U CN 209208964 U CN209208964 U CN 209208964U
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CN
China
Prior art keywords
wheel
accelerator card
transmission gear
vehicle frame
driving mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201822123413.5U
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Chinese (zh)
Inventor
镇方雄
雷涛
镇静
吴涛
陈震楠
吴俊智
镇方超
许炎鑫
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Hubei University of Science and Technology
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Hubei University of Science and Technology
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Priority to CN201822123413.5U priority Critical patent/CN209208964U/en
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Publication of CN209208964U publication Critical patent/CN209208964U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides the driving mechanism on a kind of balance car, belongs to technical field of transportation means.Balance car includes left wheel, right wheel, vehicle frame and bottom guard plate, left wheel and right wheel is fixedly linked with a jackshaft respectively, every jackshaft is corresponding with one piece of accelerator card being arranged on vehicle frame, this driving mechanism includes a battery, the fixed transmission gear being located on jackshaft, servo motor on accelerator card is set, the drive shaft being rotatably connected on accelerator card, the first breast wheel and fixed driving wheel on the driving shaft being rotatably connected on vehicle frame, the output shaft of servo motor is fixedly linked with drive shaft, first breast wheel includes the first friction pulley that the first transmission gear ring engaged with transmission gear and two are located at the first transmission gear ring two sides;Accelerator card around installation axle swing when, driving wheel is inserted between two the first friction pulleys, and with the first friction pulley against.The utility model has many advantages, such as can be energy saving, extends continuation of the journey.

Description

A kind of driving mechanism on balance car
Technical field
The utility model belongs to technical field of transportation means, the driving mechanism being related on a kind of balance car.
Background technique
Existing balance car, using the gyroscope and acceleration transducer of vehicle body, to detect the variation of vehicle body attitude, And servo-control system is utilized, accurately driving motor is adjusted correspondingly, to keep the balance of system.It is that modern is used to As walking-replacing tool, a kind of novel environmentally protective product of amusement and recreation.
With the reinforcement of people's environmental consciousness, the quantity of electric vehicle is growing day by day.At the same time, scientist passes through with great concentration Research, develops trendy two-wheel electric balance car finally.Two-wheel electric balance car is a kind of novel vehicles, it with it is electronic Mode is different in tandem for Bicycles and Motorcycles wheel, but in such a way that two-wheeled is fixed side by side.Two-wheel electric balance car Using two wheel supports, storage battery power supply, brushless motor driving, in addition single-chip microcontroller controls, attitude transducer acquires angular speed And angle signal, the balance of common coordinated control car body, rely solely on gravity center of human body change can realize the starting of vehicle, The movements such as acceleration, deceleration, stopping.
But structure is complicated for existing balance car, and Gyroscopic stabilization is poor, and the passage capacities such as paddle are poor, and it is at high cost, In general, the market price of a balance car is differed at 600~20000 yuan, limited by its volume, allows to store battery Volume it is smaller, continue a journey section.
Furthermore the operating status of existing balance car is entirely to realize and control by gravity center of human body's variation, and hand is difficult in grasp It spends larger, is unsuitable for adolescents with learning and use, safety is also poor.
Utility model content
The purpose of this utility model is aiming at the above problems existing in the prior art, to provide the driving on a kind of balance car Mechanism, technical problem to be solved in the utility model are how to avoid output waste, extend continuation of the journey.
The purpose of this utility model can be realized by the following technical scheme: the driving mechanism on a kind of balance car, special Sign is that balance car includes left wheel, right wheel, vehicle frame and bottom guard plate, and the left wheel and right wheel is passed with one respectively Dynamic semiaxis is fixedly linked, and every jackshaft is corresponding with one piece of accelerator card being arranged on vehicle frame, the jackshaft rotation It is connected on vehicle frame, the bottom guard plate is fixed on vehicle frame, and an installation axle, the accelerator card are fixedly installed on the vehicle frame Hingedly on the mounting shaft, this driving mechanism includes that a battery, the fixed transmission gear being located on jackshaft, setting are accelerating Servo motor on plate, the drive shaft being rotatably connected on accelerator card, the first breast wheel being rotatably connected on vehicle frame and fixation Driving wheel on the driving shaft, output shaft and the drive shaft of the servo motor are fixedly linked, first breast wheel include with The the first transmission gear ring and two the first friction pulleys for being located at the first transmission gear ring two sides of transmission gear engagement;The acceleration Plate around installation axle swing when, driving wheel is inserted between two the first friction pulleys, and with the first friction pulley against.
Battery connection two servo motors in parallel, two servo motors control corresponding jackshaft respectively, drive The conveying taken turns and realize torque between the first breast wheel by the contact between driving wheel and the first friction pulley, and the first breast wheel It is then engaged by teeth between transmission gear, makes stable drive between the first breast wheel and transmission gear, torque output can It leans on, and the clutch between driving wheel and the first breast wheel is not present and beats the bad phenomenons such as tooth, resistance be larger, moreover, first rubs Wipe there are two wheels, and be located at the two sides of the first transmission gear ring, this structure have the heat dissipation of the first friction pulley it is good, first Contact area between friction pulley and driving wheel is big, the advantages such as good positioning effect between the first friction pulley and driving wheel.
In the driving mechanism on a kind of above-mentioned balance car, being provided between the accelerator card and bottom guard plate can be connect The trigger switch of logical battery and corresponding servo motor.
When accelerator card pushes, trigger switch can be started, connect servo motor and battery, driving wheel rotation, with this Meanwhile driving wheel contacts the first breast wheel, by power transmission to jackshaft, and when accelerator card is not pressed down, driving wheel is not Rotation, to achieve the purpose that avoid power waste.
In the driving mechanism on a kind of above-mentioned balance car, connect between the outer end bottom of the accelerator card and bottom guard plate It is connected to several first back-moving springs under tensional state.
First spring is evenly arranged between accelerator card and bottom guard plate, plays the role of accelerating sheet reset, and can be improved flat The buffering of weighing apparatus vehicle and anti-performance of jolting.
In the driving mechanism on a kind of above-mentioned balance car, the radius of transmission gear, first rub in the driving mechanism The radius, the diameter of the first transmission gear ring and the radius of driving wheel for wiping wheel are sequentially reduced.
This balance car is omitted the deceleration mechanism of conventional balanced vehicle, but use the radius of transmission gear in driving mechanism, The mode that the radius of the radius of first friction pulley, the diameter of the first transmission gear ring and driving wheel is sequentially reduced, makes driving wheel and passes There is biggish rotational speed difference between moving gear.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this balance car.
Fig. 2 is sectional view of this balance car along half axis direction of perpendicular drive.
Fig. 3 is sectional view of this balance car under plane where the first transmission gear ring and the second transmission gear ring.
Fig. 4 is the arrangement mode plan view of accelerator card and brake plate.
Fig. 5 is the sectional view of braked wheel.
Fig. 6 is the sectional view of the first traction wheel and the second traction wheel.
In figure, 11, left wheel;12, right wheel;13, vehicle frame;14, bottom guard plate;15, jackshaft;21, accelerator card; 22, brake plate;23, installation axle;31, transmission gear;32, drive shaft;33, the first breast wheel;331, the first transmission gear ring;332, First friction pulley;34, driving wheel;35, trigger switch;36, first back-moving spring;41, braked wheel;411, the first traction wheel; 412, the second traction wheel;413, leash;414, trough of belt;415, positioning protrusion;42, the second breast wheel;421, the second driving cog Circle;422, the second friction pulley;43, second back-moving spring.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.
As shown in Figure 1, Figure 2 and Figure 4, balance car includes left wheel 11, right wheel 12, vehicle frame 13 and bottom guard plate 14, a left side Wheel 11 and right wheel 12 are fixedly linked with a jackshaft 15 respectively, and every jackshaft 15, which is corresponding with, to be arranged in vehicle frame One piece of accelerator card 21 and one piece of brake plate 22, jackshaft 15 on 13 are rotatably connected on vehicle frame 13, and bottom guard plate 14 is fixed On vehicle frame 13, an installation axle 23 is fixedly installed on vehicle frame 13, two pieces of accelerator cards 21 and two pieces of brake plates 22 are hinged on peace It fills on axis 23, two pieces of accelerator cards 21 are located at the side of installation axle 23, and two pieces of brake plates 22 are located at the other side of installation axle 23, accelerate Be provided between plate 21 and corresponding jackshaft 15 driving jackshaft 15 rotate driving mechanism, brake plate 22 and with Corresponding jackshaft 15 between the arrestment mechanism of restricted jack shaft rotation is set.Two pieces of accelerator cards 21 and two pieces of brakings Plate 22 forms a matts structure, and operator can be controlled separately the revolving speed of left wheel 11 and right wheel 12, to realize traveling Speed and turning.Compared to existing balance car, this balance bassinet structure is simple, and flexible movements are easy to operate, extremely by foot force application The accelerator card 21 or brake plate 22 in corresponding orientation.
As shown in Figures 2 and 3, driving mechanism include a battery, the fixed transmission gear 31 being located on jackshaft 15, The servo motor that is arranged on accelerator card 21, is rotatably connected on vehicle frame 13 drive shaft 32 being rotatably connected on accelerator card 21 First breast wheel 33 and the driving wheel 34 that is fixed in drive shaft 32, the output shaft and 32 stationary phase of drive shaft of servo motor Even, the first breast wheel 33 includes that the first transmission gear ring 331 engaged with transmission gear 31 and two are located at the first driving cog Enclose the first friction pulley 332 of 331 two sides;When accelerator card 21 is swung around installation axle 23, driving wheel 34 is inserted into two first and rubs Wipe wheel 332 between, and with the first friction pulley 332 against.
Battery connection two servo motors in parallel, two servo motors control corresponding jackshaft 15 respectively, drive The conveying of torque is realized between driving wheel 34 and the first breast wheel 33 by the contact between driving wheel 34 and the first friction pulley 332, And then engaged by teeth between the first breast wheel 33 and transmission gear 31, make between the first breast wheel 33 and transmission gear 31 Stable drive, torque output are reliable, and that dozen tooth, resistance is not present is larger for the clutch between driving wheel 34 and the first breast wheel 33 Etc. bad phenomenons, moreover, there are two the first friction pulleys 332, and be located at the two sides of the first transmission gear ring 331, this structure The contact area to radiate between good, the first friction pulley 332 and driving wheel 34 with the first friction pulley 332 is big, first rubs The advantages such as good positioning effect between wheel 332 and driving wheel 34.
Battery can be connected by being provided between accelerator card 21 and bottom guard plate 14 opens with the triggering of corresponding servo motor Close 35.When accelerator card 21 pushes, trigger switch 35 can be started, connect servo motor and battery, driving wheel 34 rotates, with This simultaneously, driving wheel 34 contact the first breast wheel 33, by power transmission to jackshaft 15, and be not pressed down in accelerator card 21 When, driving wheel 34 does not rotate, to achieve the purpose that avoid power waste.
Several first under tensional state are connected between the outer end bottom and bottom guard plate 14 of accelerator card 21 to reset Spring 36.First spring is evenly arranged between accelerator card 21 and bottom guard plate 14, plays the role of the reset of accelerator card 21, and can mention The buffering of high balance car and anti-performance of jolting.
The diameter of the radius of transmission gear 31, the radius of the first friction pulley 332, the first transmission gear ring 331 in driving mechanism It is sequentially reduced with the radius of driving wheel 34.The deceleration mechanism of conventional balanced vehicle is omitted in this balance car, but uses driving mechanism The radius of middle transmission gear 31, the radius of the first friction pulley 332, first are driven the diameter of gear ring 331 and the radius of driving wheel 34 The mode being sequentially reduced makes have biggish rotational speed difference between driving wheel 34 and transmission gear 31.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, arrestment mechanism includes the braked wheel 41 being rotatably connected on brake plate 22 and turns Dynamic the second breast wheel 42 being connected on vehicle frame 13, the second breast wheel 42 include the second transmission gear ring engaged with transmission gear 31 421 and two the second friction pulleys 422 for being located at 421 two sides of the second transmission gear ring;When brake plate 22 is swung around installation axle 23, Braked wheel 41 can with the second friction pulley 422 against;41 outer ring rotating of braked wheel is connected with several first traction wheels 411 and several A and 412 alternate points of one-to-one second traction wheel 412 of the first traction wheel 411, the first traction wheel 411 and the second traction wheel Cloth end to end, soft, flexible is led between each first traction wheel 411 and the second traction wheel 412 by several Leader tape 413 is connected, the winding of leash 413 are as follows: leash 413 is wound around each first traction wheel 411 close to 41 axis of braked wheel Side, leash 413 is wound around each side of second traction wheel 412 far from 41 axis of braked wheel;First traction wheel 411 and The trough of belt 414 for accommodating leash 413 is provided on two traction wheels 412.
When braking, braked wheel 41 is resisted against on the second friction pulley 422 on the second breast wheel 42, deposits the second breast wheel 42 In rotary resistance, to limit the rotation of transmission gear 31, specifically: false when braked wheel 41 is close to the second breast wheel 42 If the first traction wheel 411 on its circumferential surface is contacted with the second friction pulley 422 at first, by reverse drive power, the first traction wheel 411 Rotation, leash 413 are driven, and second traction wheel 412 adjacent with the first traction wheel 411 reversely rotates, and active force makes to make simultaneously Driving wheel 41 rotates, and is resisted against the second traction wheel 412 on second friction pulley 422, due to the steering and first of the second traction wheel 412 Traction wheel 411 turns on the contrary, the rotation for enabling the second traction wheel 412 to limit the second breast wheel 42, is pushing brake plate 22 When, above-mentioned movement persistently carries out, and it is continuous to limit the second breast wheel 42, it realizes and slows down, until the second breast wheel 42 stops.
The advantages of this mode of braking is: brake force intermittence acts on the second breast wheel 42, for balance car Speech, since its self weight is lighter, and it is manned after center of gravity be located at balance car top, bring to a halt can seriously affect balance car entirety put down Weighing apparatus, causes to tumble, or even operator is thrown away;Since leash 413 has elasticity, be obstructed in 42 intermittence of the second breast wheel and During resistance is lost, the elastic stretching of leash 413 can reduce this pause and transition in rhythm or melody of the second breast wheel 42 and mill in the process Damage, but also brake drag can be decomposed in many ways, make its in addition to have the second breast wheel 42 and braked wheel 41 it Between except friction, also with leash 413 stretching, it may have the rolling of the first traction wheel 411 and the second traction wheel 412 Dynamic friction.
Leash 413 is the spring under tensional state, and the bottom of trough of belt 414 is provided with several positioning protrusion 415, Positioning protrusion 415 can be plugged in spring between adjacent coils.Leash 413 can also be flexible drawstring, Positioning protrusion 415 is arranged as leash 413, and in the bottom of trough of belt 414 in balata belt etc., spring, and positioning protrusion 415 is inserted It is located between spring adjacent coils, spring is separated into multistage, and resistance when spring being made to be stretched and buffering are more It is sensitive, and when spring is stretched, can also distort, and keep buffering effect more preferable.
Several second under tensional state are connected between the outer end bottom and bottom guard plate 14 of brake plate 22 to reset Spring 43.Second back-moving spring is evenly arranged between brake plate 22 and bottom guard plate 14, plays the role of the reset of brake plate 22, and energy Enough improve the buffering and anti-performance of jolting of balance car.
It is provided with rotary spacing component between each corresponding accelerator card 21 of jackshaft 15 and brake plate 22, is made same Driving mechanism and arrestment mechanism on jackshaft 15 can not trigger simultaneously.Rotary spacing component is traditional limit assembly, On such as lantern ring of accelerator card 21 and limited step is respectively set on the lantern ring of brake plate 22, it will not be described here.Same transmission Driving mechanism and arrestment mechanism on semiaxis 15 can not trigger simultaneously, avoid braking and transmission from existing simultaneously, to cause to pass Tooth and stuck is beaten in the abrasion of moving gear 31.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (4)

1. the driving mechanism on a kind of balance car, which is characterized in that balance car includes left wheel (11), right wheel (12), vehicle frame (13) it is fixedly linked respectively with a jackshaft (15) with bottom guard plate (14), the left wheel (11) and right wheel (12), Every jackshaft (15) is corresponding with one piece of accelerator card (21) being arranged on vehicle frame (13), jackshaft (15) rotation It is connected on vehicle frame (13), the bottom guard plate (14) is fixed on vehicle frame (13), is fixedly installed one on the vehicle frame (13) Installation axle (23), the accelerator card (21) are hinged on installation axle (23), this driving mechanism is located at biography including a battery, fixation It moves the transmission gear (31) on semiaxis (15), the servo motor being arranged on accelerator card (21), be rotatably connected on accelerator card (21) On drive shaft (32), the first breast wheel (33) being rotatably connected on vehicle frame (13) and the driving being fixed on drive shaft (32) It takes turns (34), output shaft and the drive shaft (32) of the servo motor are fixedly linked, and first breast wheel (33) includes and transmission The first of gear (31) engagement is driven gear ring (331) and two are located at the first of first transmission gear ring (331) two sides and rub It takes turns (332);When the accelerator card (21) swings around installation axle (23), driving wheel (34) is inserted into two the first friction pulleys (332) between, and with the first friction pulley (332) against.
2. the driving mechanism on a kind of balance car according to claim 1, which is characterized in that the accelerator card (21) and bottom The trigger switch (35) that can connect battery with corresponding servo motor is provided between backplate (14).
3. the driving mechanism on a kind of balance car according to claim 2, which is characterized in that the outer end of the accelerator card (21) Several first back-moving springs (36) under tensional state are connected between bottom and bottom guard plate (14).
4. the driving mechanism on a kind of according to claim 1 or 2 or 3 balance cars, which is characterized in that in the driving mechanism The radius of transmission gear (31), the radius of the first friction pulley (332), the first transmission gear ring (331) diameter and driving wheel (34) Radius be sequentially reduced.
CN201822123413.5U 2018-12-18 2018-12-18 A kind of driving mechanism on balance car Expired - Fee Related CN209208964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822123413.5U CN209208964U (en) 2018-12-18 2018-12-18 A kind of driving mechanism on balance car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822123413.5U CN209208964U (en) 2018-12-18 2018-12-18 A kind of driving mechanism on balance car

Publications (1)

Publication Number Publication Date
CN209208964U true CN209208964U (en) 2019-08-06

Family

ID=67465101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822123413.5U Expired - Fee Related CN209208964U (en) 2018-12-18 2018-12-18 A kind of driving mechanism on balance car

Country Status (1)

Country Link
CN (1) CN209208964U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190806

Termination date: 20211218