CN2827484Y

CN2827484Y - Section type bumper steering controller of toy vehicle

Info

Publication number: CN2827484Y
Application number: CN 200520098526
Authority: CN
Inventors: 胡桂平
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-31
Filing date: 2005-10-31
Publication date: 2006-10-18
Anticipated expiration: 2015-10-31

Abstract

The utility model relates to a section type bumper steering controller of a toy vehicle, which relates to a device for controlling electric toy class vehicles by utilizing a bumper and a support circuit thereof. A front bumper is composed of a medium bridge section and two moving arm sections, wherein the medium bridge section and the moving arm sections are connected with push rods respectively processed with boosting blocks of the push rod into a whole. A sleeve spring is connected with a vehicle chassis through a supporting frame body. A microswitch is arranged below the boosting blocks of the push rod. A back bumper is composed of a medium bridge section and two moving arm sections, wherein the medium bridge section and the moving arm sections are connected with push rods respectively connected with boosting blocks of the push rod into a whole. A microswitch is respectively arranged below the boosting blocks of the push rod. Each section of the bumper contacts the corresponding microswitch when the bumper collides with an obstacle. The operation direction and the work time of a steering motor and a drive motor are changed through circuit control. The vehicle is driven to travel according to prearranged programs for realizing bypassing action of a series of paths of advancing, reverse, turning, etc. when the vehicle encounters the obstacle.

Description

Toy vehicle segmented bumper steering control device

Technical field

The utility model relates to a kind of device that utilizes bumper and support circuit thereof electronic toy class vehicle to be implemented control.

Background technology

At present, known all vehicle bumpers all are to be connected and installed with vehicle chassis integral body to be fastened on the vehicle, this hard connection can not bear safeties and the enormous impact power when decomposing collision happens, also just can not be car body and personal safety infringement are attenuated to minimum level, thereby, on the intention of vehicle design and assembling bumper, its due function of bumper does not obtain rationally, gives full play to.Design for this reason can be crashproof vehicle bumper, as " the crashproof protective device of a kind of improved motor vehicles " (patent No. 89214581), it comprises that being fixed on the bumper back works the oil cylinder that cushions damping action, the cylinder of some control usefulness, overflow valve, control valve etc. are formed collision detection, brake execution, buffering damping and four parts that reset by these parts." a kind of damping device of vehicle bumper " (patent No. 97244720), it is provided with bumper, force transmission shaft, pressing plate, spring, upper shell, capping, feature is that the upper shell lower end is provided with lower house, be provided with upper piston and lower piston in the lower house, upper piston is connected with connecting rod, upper piston is connected by the steel wire bar with lower piston, lower house between upper piston and the lower piston is provided with venthole, the lower house lower end is provided with oil outlet, upper shell of the present utility model is connected with the vehicle longeron with lower house, when collision happens, through three grades of bumper and absorbing shocks." a kind of bumper that is used for fixing front part of vehicle " (number of patent application 20041003305), comprise an elongated center beam of bumper with a front, compressible energy absorbing foam material along the longitudinal extension of described center beam of bumper, with a bumper skin that hides described foamed material, described front is provided with at least one pressure part backward along the longitudinal extension of described center beam of bumper.Described material has the first and the second portion of giving prominence to forward from the front of center beam of bumper that are received in the pressure part, and when receiving collision impact, the second portion pressurized enters the pressure part like this.

Summary of the invention

The purpose of this utility model is at above-mentioned present situation, aim to provide and a kind ofly do not changing the original external form of toy vehicle and need not the people, can run into the toy vehicle segmented bumper steering control device that series such as realizing having purpose falls back, advances, turning behind the obstacle detours and moves in the process of moving under the situation of remote control.

The implementation of the utility model purpose is, toy vehicle segmented bumper steering control device, the

swing arm section

8,16 of jackshaft section 10 and both sides is formed front bumper,

push rod

6,12,17 is connected with set connecting hole, the movable span 15 usefulness pins on the

swing arm section

8,16 on the jackshaft section 8 respectively,

push rod

6,12,17 is processed as one with push rod boosting piece 38 respectively, sleeve spring 3, and be assembled together with bracing frame framework 1, the bracing frame framework 1 that is provided with push rod stroke limit piece 4 links to each other with vehicle chassis 36, and each push rod boosting piece 38 below correspondence is equipped with a microswitch Ka ₁2, Ka ₂19, Ka ₃18, jackshaft section 27 is formed rear bumper with the

swing arm section

22,29 of both sides,

push rod

24,33 is processed as one with push rod boosting piece 37 respectively, sleeve spring 3, jackshaft section 27,

push rod

24,33 other ends and bracing frame framework 1 are assembled together, bracing frame framework 1 links to each other with vehicle chassis 36, and each push rod boosting piece 37 below correspondence is equipped with a microswitch Kb ₁23, Kb ₂34,

Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂34 tap single-chip microcomputer U ₁(AT89C2051) P1.3, P1.4, P1.5, P1.6, P1.7 pin, U ₁P1.1, P1.2 pin respectively by triode Q ₂, Q ₄, Q ₁, Q ₃Switch through to motor G ₁, U ₁P3.7, P1.0 pin respectively by triode Q ₆, Q ₈, Q ₅, Q ₇Meet drive motors G ₂, motor, single-chip microcomputer U ₁Connect external power, single-chip microcomputer U ₁Peripheral circuit have by capacitor C ₃And resistance R ₁The reset circuit of single chip computer of forming, by capacitor C ₂, C ₁With crystal oscillator Y ₁The single-chip microcomputer clock circuit of forming is by resistance R ₂, R ₃, R ₄, R ₅, R ₆With microswitch Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂The 34 power supply signal input circuits of forming.

The utility model utilizes lever principle that the bumper segmented general is dressed up an integral body, the bumper of segmentation general assembly can be accomplished to fit together perfectly on structural design, interconnector is hidden under shell and need not be exposed, and neither influences original vehicle outward appearance, gives the function of bumper practicality again.The utility model is made up of forward and backward bumper rail of segmented and steering controling circuit and steer motor, the drive motors of finishing corresponding output, by bumper when bumping with barrier, each segmentation by bumper touches corresponding with it microswitch in the mode of leverage transferring power, through the rotation direction and the working time of circuit control break steer motor and drive motors, make it to exercise according to the driven by program vehicle that sets, be implemented in make when vehicle meets barrier a series ofly advance, fall back, the action of detouring of route such as turning.The utility model can become new gang in the electronic toy class.

Description of drawings

Fig. 1 is the utility model front bumper arrangement schematic diagram

Fig. 2 is the utility model rear bumper structural representation

Fig. 3 is an electrical schematic diagram

Also have the fastening screw 5 of bracing frame, circuit board 21, wheel set 35 among the figure.

The specific embodiment

The utility model is by being made up of forward and backward bumper rail of segmented and control circuit and steer motor, the drive motors of finishing corresponding output.The utility model is described in detail in detail with reference to the accompanying drawings.

With reference to Fig. 1, the jackshaft section 10 of front bumper and the swing arm section of both

sides

8,16

usefulness connecting pins

9,13 are connected to an integral body, and the length of connecting pin is concordant with the bumper overall appearance, can not make axial float;

Swing arm section

8,16 semi-circular hole with between the two ends semi-circular hole on the jackshaft section 10, be connected with connecting

9,13, two semi-circular hole are formed centrally circle in connecting

9,13 being, each section can either be free movable, forms stable whole in horizontal level again.

Jackshaft section 10, both sides

swing arm section

8,16 are connected with

push rod

12,6,17 by connecting hole set on it, movable span 15, connecting

11,7,14, movable span 15 is abducent elongated holes, and effect is to be convenient to swing arm and jackshaft section 10 is not hindered by the restriction of radius size in active

procedure.Push rod

6,12,17 other ends are adorned push rod boosting piece 38 respectively, sleeve spring 3, and be assembled together with bracing frame framework 1, and must guarantee that

push rod

6,12,17 can axially move in bracing frame framework 1.Design the push rod boosting piece 37 that has with the shaft one at the push rod middle part, between boosting piece rear end shaft and the bracing frame framework 1 buffer thrust spring 3 is housed, spring one is the important function that plays bumper and absorbing shock when bumper is subjected to clashing into, the 2nd, and push rod and single-bar bumper are resetted rapidly.Being provided with what be connected with push rod on both sides

swing arm section

8,16 is swing arm section movable span 15, and movable span 15 is abducent elongated holes,

Each push rod boosting piece 37 below correspondence is equipped with a microswitch Ka ₁2, Ka ₂19, Ka ₃18, the shake-up stroke of microswitch equals push rod boosting piece 37 distance to bracing frame 1 upper push-rod stroke limit piece 4, each push rod boosting piece be for bumper when bumping descending process, touch microswitch Ka in order to open ₁2, Ka ₂19, Ka ₃18, and the thrust that is produced by buffer spring boosts push rod and bumper to reset and is provided with; Each limited block 4 be for push rod after descending certain distance and starting switch, stop its continuation descending, in order to avoid damage microswitch.

The bumper that segmentation assembles, its each section are held up by

push rod

6,12,17 respectively, link to each other with vehicle chassis 36.

With reference to Fig. 2, jackshaft section 27 is connected with swing arm section 25, the 31 usefulness connecting pins 29 of both sides, the plate of encirclement up and down of 25 pairs of swing arm sections of

jackshaft section

25,31 extends to

vehicle chassis

36,31 of extension and rear support stands are connected with alignment pin 27, buffering movable span 30 on the jackshaft section is an elongated hole, when the jackshaft section was inwardly moved together with

swing arm section

25,31 integral body, in order to ensure the stroke distances of jackshaft section 27, the pitch-row length of buffering movable span 30 equaled the distance that push rod boosting piece 37 arrives push rod stroke limit piece 4.

With reference to Fig. 3, circuit of the present utility model mainly is forward, the backward rotation that adopts the Single-chip Controlling DC micromotor.Single-chip microcomputer U1 is AT89C2051, and by four ports, controls eight triodes respectively, forward, the reversing the current conducting of two motors of control, thereby the rotating of realization motor.

The utility model operation principle is as follows:

A. front bumper cushions operation principle

With reference to Fig. 1, when vehicle is exercised after left side swing arm section 8 is touched obstacle, it is that fulcrum is swung to body inner side with connecting pin 9 that impulsive force causes swing arm section 8, simultaneously, be that fulcrum drives push rod 6 to the body inner side axial advance with connecting pin 7 again, push rod boosting piece 37 directly is transmitted to buffer spring 3 with power, and the resistance that spring 3 produces is in order to absorb outside impulsive force to vehicle body.After the impulsive force of swing arm section 8, push rod 6 and fltting speed were weakened, its stroke finally is set at push rod stroke limit piece 4 in the support framework 1 to be stopped and halts, and this one stroke touches before termination and opens pairing microswitch Ka ₁2, thus Ka started ₁Control circuit work under 2 switch orders.When process finished, promptly reaction force caused vehicle and barrier when separating, and buffer spring 3 promotes push rods 6 and forwards releases with swing arm section 8 and reset while microswitch Ka ₁2 decompress(ion)s reset.

Right side swing arm section 16 is identical with preceding left swing arm section 8 operation principles, different is after right side swing arm section 16 is touched obstacle, swing arm section 16 is that fulcrum is swung to body inner side with connecting pin 13, simultaneously, be that fulcrum drives push rod 17 with connecting pin 14 again, after impulsive force and fltting speed were absorbed and weaken, stroke touched before termination and opens pairing microswitch Ka ₂19.

After jackshaft section 10 meets obstacle, push ahead by connecting

9,11,13 drive

swing arm sections

8,16 and push rod 12, not clashed into owing to

swing arm section

8,16 this moment, so, with connecting

7,14 is fulcrum, the swing arm section is inwardly swung with the termination that jackshaft section 10 is connected, and the outer end is outwards swing then, and two swing arm section movable spans 15 are in order to ensure the slip of swing arm section on connecting

7,14 fulcrums.When the impedance that is subjected to buffer spring 3 by the push rod 12 that driven in progradation, impulsive force and fltting speed are absorbed and weaken, and bump against stopping of push rod stroke limit piece 4 until retarding block and open microswitch Ka simultaneously ₃18, control circuit work.When process finished, buffer spring 3 was forwards released push rod 17, swing arm section 16 and is resetted, simultaneously to microswitch Ka ₃18 decompress(ion)s reset.

B. rear bumper cushions operation principle

With reference to Fig. 2, vehicle is respectively at Ka ₁2, Ka ₂19, Ka ₃18 instructions rearward fall back down and turn to when exercising, touch obstacle as rear bumper left side swing arm section 25, it is that fulcrum is swung to body inner side with connecting pin 29 that impulsive force causes swing arm section 25, simultaneously, drive push rod 24 to the body inner side axial advance by connecting pin 26 again, push rod boosting piece 37 directly is transmitted to buffer spring 3 with power, and the resistance that spring 3 produces is in order to absorption and slow down outside impulsive force to vehicle body.After the impulsive force of swing arm section 25, push rod 24 and fltting speed are absorbed and weaken, its stroke finally is set at push rod stroke limit piece 4 in the support framework 1 of rear view of vehicle to be stopped and halts, and this one stroke touches before termination and opens pairing microswitch Kb ₁23, control circuit work.When this process finished, promptly reaction force caused vehicle and barrier when separating, and buffer spring 3 just can promote push rod 24 and forwards release with swing arm section 25 and reset while microswitch Kb ₁23 decompress(ion)s reset.

Vehicle is respectively at Ka ₁2, Ka ₂19, Ka ₃18 instructions rearward fall back down and turn to when exercising, touch obstacle as rear bumper right side swing arm section 31, operation principle is identical with back left swing arm section 25, different is, it is that fulcrum is swung to body inner side with connecting pin 29 that impulsive force causes swing arm section 31, simultaneously, drive push rod 33 to the body inner side axial advance by connecting pin 32 again.Stroke touches before termination and opens pairing microswitch Kb ₂34, when process finished, buffer spring 3 just can promote push rod 33 and forwards release with swing arm section 31 and reset microswitch Kb ₂34 decompress(ion)s reset.

When jackshaft section 27 is run into obstacle, no matter where hit a deflection, the jackshaft section all can drive two ends swing arm section together to the inner propelling of car body by connecting pin 29, and jackshaft section movable span 30 leaves activity space for it, at this moment, two swing arm sections drive

push rod

24,33 and are opening K switch b ₁23 or Kb ₂It is poor to produce the regular hour at 34 o'clock, promptly can only at first open its corresponding microswitch by a push rod, after the whichever switch is unlocked, cause circuit that vehicle is exercised control, meet coming to the same thing of producing behind the obstacles with above-mentioned by

swing arm section

25,31.

With reference to Fig. 3, Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂34 tap single-chip microcomputer U ₁P1.3, P1.4, P1.5, P1.6, P1.7 pin, U ₁P1.1, P1.2 pin respectively by triode Q ₂, Q ₄, Q ₁, Q ₃Switch through to motor G ₁Circuit, U ₁P3.7, P1.0 pin respectively by triode Q ₆, Q ₈, Q ₅, Q ₇Meet drive motors G ₂Circuit, motor, single-chip microcomputer U ₁Connect external power.The signal of drawing when P1.3, P1.4, P1.5, P1.6, the P1.7 pin of single-chip microcomputer U1 is respectively G ₂+ (forward), G ₂-(oppositely), G ₁+ (forward), G ₁-(oppositely), four ports all are high level, and eight triodes then all end steer motor G ₁With drive motors G ₂All stop operating

As circuit G ₁+ when being low level, triode Q ₁, Q ₂Conducting simultaneously, steer motor G ₁Just change; As circuit G ₁-when being low level, triode Q ₃, Q ₄Conducting, steer motor G ₁Counter-rotating.G ₁+ and G ₁-can not be low level simultaneously, that is to say that can not control motor simultaneously just changes and reverse, otherwise short circuit will damage power supply and triode.

Drive motors G ₂Control and steer motor G ₁Just the same, as circuit G ₂+ when being low level, triode Q ₅And Q ₆Conducting simultaneously, drive motors G ₂Just change; As circuit G ₂-when being low level, triode Q ₇, Q ₈Conducting, drive motors G ₂Counter-rotating; G ₂+ and G ₂-can not be low level simultaneously.

At single-chip microcomputer U ₁Peripheral circuit in also comprise by capacitor C ₃And resistance R ₁The reset circuit of single chip computer of forming, by capacitor C ₂, C ₁With crystal oscillator Y ₁The single-chip microcomputer clock circuit of forming and by resistance R ₂, R ₃, R ₄, R ₅, R ₆With microswitch Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂The 34 power supply signal input circuits of forming.

Single-chip microcomputer U ₁According to Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂Steer motor G is finished in the instruction of 34 5 microswitch button inputs ₁With drive motors G ₂A series of timings the action switching and the reset function of just changeing, reversing.

1) left side swing arm section 8 is run into obstacle, microswitch Ka ₁After 2 shake-up, steer motor G ₁With drive motors G ₂Counter-rotating immediately simultaneously, vehicle to the left back to the enforcement that falls back, behind setting-up time, steer motor G ₁Stop drive motors G ₂Just change, vehicle forward straight line runs.

2) right side swing arm section 16 is run into obstacle, Ka ₂After 19 shake-up, steer motor G ₁Just change drive motors G ₂The counter-rotating, 2 vehicles to the right back to the enforcement that falls back, after 2 seconds, behind setting-up time, steer motor G ₁Stop drive motors G ₂Just change, vehicle forward straight line runs.

3) jackshaft section 10 is run into obstacle, Ka ₃After 18 shake-up, steer motor G ₁With 1/2 of the setting-up time that reverses earlier, just changeing 1/2 of setting-up time then, drive motors G ₂Then be inverted to setting-up time always, promptly vehicle earlier to the left back reversing run setting-up time 1/2 reversing runs 1/2 of setting-up time to the right back again, after the release, steer motor G ₁Stop drive motors G ₂Just change, vehicle forward straight line runs.

4) when vehicle in reversing process, rear bumper left side swing arm section 25 is touched obstacle, Kb ₁After 23 unlatchings, steer motor G ₁Counter-rotating, drive motors G ₂Just change, promptly Ci Shi direction for when reversing direction rightabout and advancing simultaneously run, behind setting-up time, steer motor G ₁Stop drive motors G ₂Just change, vehicle forward straight line runs.

5) when vehicle in reversing process, rear bumper right side swing arm section 31 is touched obstacle, Kb ₂After 34 unlatchings, steer motor G ₁Just change drive motors G ₂Just change, promptly Ci Shi direction for when reversing direction rightabout and advancing simultaneously run, behind setting-up time, steer motor G ₁Stop drive motors G ₂Just change, vehicle forward straight line runs.

When motor is in above-mentioned any one duty, if after having some microswitch buttons of another one group to be touched again, then motor will switch to corresponding operation state with it immediately according to the order of new shake-up button.

In each group program behavior of having set, steer motor G1, drive motors G2 are respectively according to the direction and the time of regulation rotate separately.

Claims

1, toy vehicle segmented bumper steering control device, the swing arm section (8) that it is characterized in that jackshaft section (10) and both sides, (16) form front bumper, push rod (6), (12), (17) go up set connecting hole with jackshaft section (8) respectively, swing arm section (8), (16) movable span on (15) connects with pin, push rod (6), (12), (17) be processed as one with push rod boosting piece (38) respectively, sleeve spring (3), and be assembled together with bracing frame framework (1), the bracing frame framework (1) that is provided with push rod stroke limit piece (4) links to each other with vehicle chassis (36), and each push rod boosting piece (37) below correspondence is equipped with a microswitch Ka ₁(2), Ka ₂(19), Ka ₃(18), jackshaft section (27) is formed rear bumper with swing arm section (22), (29) of both sides, push rod (24), (33) are processed as one with push rod boosting piece (38) respectively, sleeve spring (3), jackshaft section (27), push rod (24), (33) other end and bracing frame framework (1) are assembled together, bracing frame framework (1) links to each other with vehicle chassis (36), and each push rod boosting piece (37) below correspondence is equipped with a microswitch Kb ₁(23), Kb ₂(34),

Ka ₁(2), Ka ₂(19), Ka ₃(18), Kb ₁(23), Kb ₂(34) tap single-chip microcomputer U ₁(AT89C2051) P1.3, P1.4, P1.5, P1.6, P1.7 pin, U ₁P1.1, P1.2 pin respectively by triode Q ₂, Q ₄, Q ₁, Q ₃Switch through to motor G ₁, U ₁P3.7, P1.0 pin respectively by triode Q ₆, Q ₈, Q ₅, Q ₇Meet drive motors G ₂, motor, single-chip microcomputer U ₁Connect external power, single-chip microcomputer U ₁Peripheral circuit have by capacitor C ₃And resistance R ₁The reset circuit of single chip computer of forming, by capacitor C ₂, C ₁With crystal oscillator Y ₁The single-chip microcomputer clock circuit of forming is by resistance R ₂, R ₃, R ₄, R ₅, R ₆With microswitch Ka ₁2, Ka ₂19, Ka ₃18, Kb ₁23, Kb ₂The 34 power supply signal input circuits of forming.

2, toy vehicle segmented bumper steering control device according to claim 1 is characterized in that the movable span (15) on swing arm section (8), (16) is an abducent elongated hole

3, toy vehicle segmented bumper steering control device according to claim 1 is characterized in that the buffering movable span (30) on the jackshaft section is an elongated hole.

4, toy vehicle segmented bumper steering control device according to claim 1 is characterized in that the pitch-row length that cushions movable span (30) equals the distance of push rod boosting piece (37) to push rod stroke limit piece (4).