CN200960922Y

CN200960922Y - Automatic hand braking device for automobile

Info

Publication number: CN200960922Y
Application number: CNU2006201278369U
Authority: CN
Inventors: 李英坡
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-11
Filing date: 2006-10-11
Publication date: 2007-10-17
Anticipated expiration: 2016-10-11

Abstract

The utility model relates to an automatic car brake apparatus, comprising a driver and an electric controller which controls the natural and reverse rotation of the driver, wherein the drive unit is characterized in that both ends of a direct-current motor are respectively and fixedly connected with a supporting board, a screw rod passes through and connects with the two supporting boards , an actuating mechanism is connected between the end of the bolt and the motor axle, the screw at the middle of the bolt is connected with a slide board, a guide level crosses through the slide board and fixed on two supporting boards, a backstay and a feeler lever are fixed on the sliding board, one end of the backstay is crossed through the supporting board and connected with a brake line, the feeler lever is corresponding to limiting switches which are respectively arranged on the inner surface of two supporting boards. The utility model can realize electric hand-brake parking, the hand-brake mechanism can be automatically locked when the car stops, the hand-brake mechanism can be automatically released when the car starts, thereby driving inconvenience and machine part damage caused by forgetting hand-brake draw-rod manipulation can be avoided, and a driver can drive more easily and conveniently.

Description

The automatic lever brake of automobile

Technical field

The utility model relates to a kind of automobile braking device, the automatic lever brake of specifically a kind of automobile.

Background technology

Lever brake on the existing automobile is that the brake cable of control stopping brake lock mechanism is received on the parking brake pull bar.When parking or temporarily stop, pulling parking brake pull bar can be strained brake cable, reaches the purpose of parking brake Parking; When need are started to walk, depress the parking brake pull bar again after pushing the button on the parking brake pull bar, can loosen brake cable and discharge stopping brake lock mechanism.This operation effort is and loaded down with trivial details, and the driver often forgets pulling or discharges the parking brake pull bar because of carelessness.Parking brake is not gone up in the back if park, and just causes slipping the generation of car phenomenon easily when then starting to walk on sloping road; If starting there is not RELEASE PARKINGBRAKE, will cause the damage of automobile parts.

The utility model content

The purpose of this utility model just provides the automatic lever brake of a kind of automobile, can auto lock when parking stopping brake lock mechanism, can automatic release stopping brake lock mechanism when starting, avoid the manual operation of wasting time and energy thus, make driver's easy driving, convenience.

The utility model is achieved in that the automatic lever brake of automobile is that electric controller by actuator and Control Driver rotating connects to form, this actuator is each affixed support plate at the DC machine two ends, cross-under screw rod between two support plates, connect transmission device between the end of screw rod and the motor shaft, the middle part of the screw rod slide plate that is threaded, pilot bar passes slide plate and is fixed on two support plates, drag-line and feeler lever are fixed on the slide plate, one end of drag-line passes support plate and brake cable is joined, and feeler lever is corresponding with the limit switch that is provided with respectively at two support plate inner faces.

The utility model is installed on the appropriate location of automobile, and electric controller is connected with actuator with automobile ignition switch respectively, and the brake cable of joining with the actuator drag-line is connected in the stopping brake lock mechanism on the automobile.When ignition lock disconnects, the electric controller action, starting actuator just changes, and checks wheel by the drag-line that is installed on the actuator by the tension brake cable.When ignition lock closure, start a car, the power supply of electric controller Control Driver is anti-phase, makes the actuator counter-rotating, can discharge stopping brake lock mechanism.The utility model can be realized the electric hand brake Parking, the parking brake pull bar operation that need not waste time and energy, and energy auto lock stopping brake lock mechanism when parking or temporarily stop, energy automatic release stopping brake lock mechanism when starting, avoided thus because of forgetting that handling driving inconvenience or the parts that the parking brake pull bar caused damages, made driver's driving lighter, more convenient.

Description of drawings

Fig. 1 is the structural representation of driver portion in the utility model.

Fig. 2, Fig. 3 are the electrical schematic diagrams of two kinds of embodiments of electric controller in the utility model.

The specific embodiment

As shown in Figure 1, the automatic lever brake of this automobile is connected to form by the electric controller of actuator and Control Driver rotating.Wherein actuator is each affixed support plate at the two ends of DC machine 1, the screw rod 4 that 2,3 cross-under of two support plates one are horizontal.One end of screw rod 4 stretches out support plate 2 and connects a gear 12, is connected in the motor shaft end of DC machine 1 with these gear mating gear 13, two gears to constitute gear drive.Certainly also can use other transmission devices to reach this gearing.The one slide-plate 5 that is threaded at the middle part of screw rod 4 respectively has a parallel pilot bar 6 in the both sides of screw rod 4.Two pilot bars 6 pass slide plate 5 and are fixed on two

support plates

2,3, play directional tagging with the slip to slide plate.Be connected with drag-line 7 on slide plate 5, an end of drag-line 7 passes support plate 3 and joins with the brake cable 14 that is connected stopping brake lock mechanism.Be connected with feeler lever 8 at the end face of slide plate 5 middle part, be respectively arranged with

limit switch

9,10 at the inner face of two

support plates

2,3, feeler lever 8 is corresponding with two limit switches.DC machine 1 is done under the control of electric controller forward or backwards and is rotated, and drives screw rod 4 by gear drive and does corresponding the rotation, and slide plate 5 is moved to the left---and strain drag-line 7 and brake cable 14, reach the purpose of parking brake Parking; Perhaps move right---loosen drag-line 7 and brake cable 14, reach the purpose of automatic release stopping brake lock mechanism.The

limit switch

9,10 that is provided with on two

support plates

2,3 its objective is when slide plate 5 moves near certain support plate, and by the limit switch on feeler lever 8 these support plates of shake-up at top, thereby the electric loop of disconnection DC machine 1 makes the motor stall, slide plate stop.Feeler lever 8 should be made by the fastening adjustable structure of screw, so that adjust.

For making stopping brake lock mechanism can unclamp release soon, a best slide plate return of socket power assistant spring 11 on screw rod 4.Promptly slide plate 5 move to left the tension brake cable state under, power assistant spring 11 be pressed on by slide plate 5 and support plate 2 between neutral in.The initial instant that begins to discharge in stopping brake lock mechanism, slide plate 5 can quicken to move to right return by the elastic force of power assistant spring 11.Certainly, the pitch of increasing screw rod 4 also is the factor that should consider.Clear among Fig. 1 for expression, the right side of the slide plate 5 that power assistant spring 11 has been drawn in.Power assistant spring 11 should be the left side that is contained in slide plate 5.

Electric controller in the automatic lever brake of this automobile such as Fig. 2, shown in Figure 3 are by master cock K ₁Form master cock K with at least one phase reversal relay ₁Be serially connected in the junction circuit of ignition lock and phase reversal relay coil, the contact of phase reversal relay is connected on the link circuit of the both positive and negative polarity of vehicle power and DC machine.

The working process of this device is: master cock K under the normality ₁At closure state, when going out car, open ignition lock with car key, phase reversal relay J earlier ₂(Fig. 2) electric adhesive, make the two poles of the earth of motor M connect vehicular power-bottle and bonding ground wire by two contacts in the relay, motor M is just changeed, slide plate 5 move to right (Fig. 1).When slide plate moves to the support plate 3 on close right side, the limit switch 10 (K switch among Fig. 2 that feeler lever 8 touches on these support plates ₂), disconnected the electric loop of DC machine 1, the motor stall, slide plate stops to move to right.At this moment, zip 7 unclamps, and stopping brake lock mechanism is released, and vehicle can start to walk to travel.

When situation vehicles such as meeting red light on the way suspended, the driver disconnected master cock K ₁, phase reversal relay J ₂Dead electricity discharges, and makes the two poles of the earth of motor M oppositely connect vehicular power-bottle and bonding ground wire, the motor M counter-rotating, and slide plate 5 moves to left, when slide plate moves to the support plate 2 in close left side, the limit switch 9 (K switch among Fig. 2 that feeler lever 8 touches on these support plates ₃), disconnected the electric loop of DC machine 1, the motor stall, slide plate stops to move to left.At this moment, zip 7 has been realized the purpose of parking parking brake Parking by brake cable 14 tension stopping brake lock mechanisms.This has replaced the significantly action that pulls the hand brake promptly with the small size action of toggle switch.

When pause conditions is eliminated (becoming green light as red light) vehicle start, the closed master cock K of driver ₁Because this moment, ignition lock remained under the closure state, so phase reversal relay J always ₂Get electric adhesive, by the state transformation of contact, make the two poles of the earth of motor M recover initial connection electricity condition, motor M is just changeed, and slide plate 5 moves to right, and zip 7 unclamps, and stopping brake lock mechanism is discharged once more, and vehicle can start to walk to travel again.

When parking, this device can have two kinds of mode of operation: the one, and the driver initiatively disconnects master cock K ₁, the tight parking brake action when suspending with above-mentioned vehicle can realize the Parking of actv. parking parking brake.The 2nd, when directly closing ignition lock if the driver forgets the disconnection master cock, phase reversal relay J ₂Dead electricity discharges, the motor M counter-rotating, and slide plate 5 moves to left, and by zip 7 tension stopping brake lock mechanisms, has realized the Parking of automatic parking parking brake.This situation is a kind of good complement of stopping and pulling the hand brake and operate forgetting, can improve safety guarantee of vehicle thus, and the slide car phenomenon when preventing from effectively to climb starting takes place.

This device is also applicable on the high-grade automobile that disposes the speed-limit warning device, but also can connect with the speed-limit warning circuit, the purpose of parking brake Parking deceleration automatically when reaching hypervelocity.Its concrete mode is to be connected in series relay J in the junction circuit of ignition lock and phase reversal relay coil ₁Normally closed contact J _1-1, relay J ₁Wire loop connect the hypervelocity warning circuit.When vehicle ' surpassed the setting speed per hour, the hypervelocity warning circuit made relay J ₁Must be electric, normally closed contact J _1-1Disconnect, be equivalent to disconnection master cock K ₁, stopping brake lock mechanism promptly is locked, and the vehicle reduction of speed is travelled.

Fig. 3 is by two throw over relay J ₂, J ₃Carry out the electric controller electrical schematic diagram of motor commutation control, other structures and mode of operation be identical with above-mentioned electric controller all.

Master cock K ₁Be preferably disposed on the bearing circle, to make things convenient for driver's operation control.In addition, at the actuator limit switch (K of RELEASE PARKINGBRAKE ₂) on also should install the Parking indicator lamp additional, reminding driver's stopping brake lock mechanism state of this moment, thereby take corresponding operation with good groundsly.This device also can install two zips additional on the slide plate 5 in actuator, and two zips respectively connect a brake cable.

Claims

1, the automatic lever brake of a kind of automobile, it is characterized in that this device is connected to form by the electric controller of actuator and Control Driver rotating, this actuator is at each affixed support plate of DC machine (1) two ends, two support plates (2,3) cross-under screw rod (4) between, connect transmission device between the end of screw rod and the motor shaft, the middle part of the screw rod slide plate (5) that is threaded, pilot bar (6) passes slide plate and is fixed on two support plates, drag-line (7) and feeler lever (8) are fixed on the slide plate (5), one end of drag-line (7) passes support plate (3) and joins with brake cable (14), and feeler lever (8) is corresponding with the limit switch (9,10) that is provided with respectively at two support plate inner faces.

2, the automatic lever brake of automobile according to claim 1 is characterized in that being socketed with slide plate return power assistant spring (11) on screw rod (4).

3, the automatic lever brake of automobile according to claim 1 and 2 is characterized in that described electric controller is by master cock K ₁Form master cock K with at least one phase reversal relay ₁Be serially connected in the junction circuit of ignition lock and phase reversal relay coil, the contact of phase reversal relay is connected on the link circuit of the both positive and negative polarity of vehicle power and DC machine.

4, the automatic lever brake of automobile according to claim 3 is characterized in that being connected in series relay J in the junction circuit of ignition lock and phase reversal relay coil ₁Normally closed contact J _1-1, relay J ₁Wire loop connect the hypervelocity warning circuit.