CN2535261Y - Car automatic door-opening device - Google Patents

Abstract

An automatic door opening device for automobile of the utility model relates to an automatic door opening device arranged on the door of the automobile, which consists of two major parts of a mechanical transmission device and an electrical control device; wherein, the mechanical transmission device consists of a gearbox, an electric motor, a rack, a rack tube, a connecting rod, a door lever, a bottom plate and a connection plate. A worm, a worm gear, a gear, a limit switch, a limit link stopper and a shaft sleeve are arranged in the gearbox. The electrical control device consists of electronic parts of an apparatus such as an electric motor for opening the door, an unlocking electric motor, an inching switch, a limit switch, a microprocessor, an AC contactor, etc. Compared with the prior electric control automatic door opening device for automobile, a clutch is eliminated, thus the whole device has the advantages of simple and compact structure, small weight, and being suitable for a plurality of types of automobiles. The times and time of opening and closing the automobile door are all controlled by the microprocessor, thus the device delivers safe and reliable actions and has high sensitivity.

Description

The car automatic door operator

Technical field:

Car automatic door operator of the present utility model is a kind of automatic door operator that is installed on the sedan door, goes into B60J5/04.

Background technology:

On the at present domestic and international small passenger car or on other passenger vehicle, automatic door operator is seldom arranged, the automatic door operator that also has only pneumatic or fluid control on the general motorcoach, the automatically controlled automatic door operator of car has been housed on some taxicar, but this device is a break-make of controlling motor power by the collision of limit switch and position-limited lever, and opening and closing by the motion and the limit switch of tooth bar of car door controlled, and the motion of tooth bar is controlled by shift fork and electromagnet by the power-transfer clutch in the change speed gear box.The unlatching of car door, closing movement and time are artificially controlled by chaufeur entirely, and this control setup components and parts are more, and corresponding failure is also many.The limit switch poor reliability that adopts often occurs malfunctioningly, and also frequent et out of order of the power-transfer clutch in the change speed gear box has directly influenced the quality of entire product and the normal open and close of car door and used.

Summary of the invention:

The purpose of this utility model is that a kind of later-model car automatic door operator will be provided, this device has been cancelled the limit switch of power-transfer clutch and control motor rotation in the change speed gear box, and the employing mechanical drive, the unlatching of car door, close number of times and opening time etc. and control, to solve the defective that exists on the existing automatically controlled automatic door operator of car by microprocessor.This later-model car automatic door operator can be realized by following technical solution.The car automatic door operator is made up of mechanical drive and electric apparatus control apparatus two major parts.Wherein mechanical drive is made up of change speed gear box, motor, tooth bar, rack tube, connecting rod, door lever, base plate and gusset piece.Worm screw is housed in change speed gear box, worm gear, gear, limit switch SL, spacing collision block and axle sleeve, connecting relation between them is such: worm screw is fixed by the casing of its two ends head bearing and change speed gear box, motor is installed on the casing of change speed gear box, motor shaft connects with worm screw is coaxial, worm gear and gear carry out same axle mounting by the worm-wheel shaft on the casing, a limit switch is housed on casing, spacing collision block is housed on worm gear, limit switch and spacing collision block are used to control rack stroke, worm gear and worm screw interlock, the rack and pinion interlock, the tooth bar left end passes the axle sleeve that is located on the casing, tooth bar right part two sides respectively are equipped with a bearing and pass through the garden pin with tooth bar and bearing fixing, and tooth bar relies on bearing and axle sleeve to do straight reciprocating motion in rack tube like this, and rack tube is installed on the casing.Connecting rod lower end and tooth bar are fixed, and small end flexibly connects by copper sheathing and door lever, and copper sheathing is contained in small end, and the door lever other end passes gusset piece and is movably connected on the vehicle body.Casing is fixed on the base plate, and base plate is fixed on the gusset piece, and gusset piece is fixed on the car door.One of worm-wheel shaft bearing at end loam cake silently, use as bearing cap shim.Electric apparatus control apparatus is that (AC contactor has four by the motor ZD1 that opens the door, the motor ZD2 that unblanks, point driving switch SA, limit switch SL, microprocessor AJ and AC contactor, be respectively J1, J2, J3, J4) etc. electronic devices and components form, their connecting relation is the end ground connection of motor ZD2 of unblanking, the end of another termination AC contactor J3, the other end power connection of J3.Two ends of motor of opening the door connect the central contact of AC contactor J1 and J2, the open contact power connection of J1 and J2, normally closed contact ground connection respectively.The center-point power connection of point driving switch SA, the input end that other two end points insert microprocessor is respectively imported as signal, passes through the end of isolation diode incoming transport contactless switch J4 simultaneously, the other end ground connection of J4.Microprocessor has three output signal lines to insert the input end of J1, J2, J3 respectively, the end of the mouth of J1, J2, J3 and limit switch SL and J4 mutually and connect, the other end of J4 and the normally closed contact of limit switch also connect the back power connection.Pack into after the electronic devices and components of above-mentioned electrical appliance part and AC contactor are contained on the bar printing wiring board respectively in the electrical appliance junction box, limit switch SL is contained on the gear box, and point driving switch SA is contained on the car control panel.The car automatic door operator of making according to technique scheme and the automatically controlled door opener of existing car etc. are compared has following advantage: 1, car automatic door operator of the present invention has been cancelled power-transfer clutch, make whole apparatus structure simple, compact, in light weight, can adapt to polytype car; 2, the unlatching of car door, close number of times and time, thereby the action of device is safe and reliable, highly sensitive entirely by microprocessor control; 3, this device parts are few, and fault obviously reduces comparatively speaking, obtain bigger raising service life.

Description of drawings:

The structural representation of the mechanical drive of Fig. 1, car automatic door operator.

The birds-eye view of the mechanical drive of Fig. 2, car automatic door operator.

The electrical schematic diagram of the electric apparatus control apparatus of Fig. 3, car automatic door operator.

The specific embodiment:

Car automatic door operator of the present utility model such as Fig. 1, Fig. 2, shown in Figure 3: its mechanical drive is made up of change speed gear box, motor [4], tooth bar [9], rack tube [17], connecting rod [16], door lever [15], base plate [3] and gusset piece [2] as shown in Figure 1 and Figure 2.Worm screw [5] is housed in change speed gear box, worm gear [10], gear [12], limit switch SL[7], spacing collision block [6] and axle sleeve [8], it is fixing that annexation between them is that worm screw passes through the casing [13] of its two ends head bearing and change speed gear box, motor [4] is installed on the casing [13], motor shaft is connected with worm screw is coaxial, worm gear and gear carry out same axle mounting by the worm-wheel shaft on the casing, a limit switch SL[7 is housed] on casing, spacing collision block [6] is housed on worm gear, worm gear and worm screw interlock, the rack and pinion interlock, the tooth bar left end passes the axle sleeve [8] that is located on the casing, tooth bar right-hand member end two sides are respectively adorned a bearing [18] and are passed through the garden pin with tooth bar and bearing fixing, rack tube [17] is installed on the casing, connecting rod [16] lower end and tooth bar are fixed, small end flexibly connects by copper sheathing [14] and door lever [15], copper sheathing [14] is contained in small end, the door lever other end passes gusset piece [2] and is actively connected on the vehicle body, casing is fixed on the base plate [3], base plate is fixed on the gusset piece [2], gusset piece is fixed on the car door [1], in one of worm-wheel shaft end bearing loam cake silently [20].Electric apparatus control apparatus is made up of the motor ZD1 that opens the door, the motor ZD2 that unblanks, point driving switch SA, limit switch SL, microprocessor AJ and AC contactor J1, J2, electronic devices and components such as J3, J4 as shown in Figure 3, their connecting relation is the end ground connection of motor ZD2 of unblanking, the end J3-2 of another termination AC contactor J3, the other end J3-1 power connection of J3, two ends of motor ZD1 of opening the door meet central contact J1-1 and the J2-1 of AC contactor J1 and J2 respectively, the open contact J1-2 of J1 and J2, J2-2 power connection, normally closed contact J1-3 and J2-3 ground connection.The central contact of point driving switch SA [1] power connection, two end points [2] and [3] are inserted input end [12] and [13] of microprocessor respectively in addition, pass through the end [8] of isolation diode D1, D2 incoming transport contactless switch J4 simultaneously, the other end ground connection of J4.Microprocessor has three output signal lines [5], [6], [7] to insert the input end of J1, J2, J3 respectively, the mouth of J1, J2, J3 is held mutually with the J4-2 of the SL-2 of limit switch and J4 and is connect, the other end J4-1 of J4 and the normally closed contact SL-1 of limit switch also connect the back power connection, here power supply is a positive supply, and negative pole is ground.When pressing the car automatic door operator work of the foregoing description making, when pressing point driving switch SA to the direction of opening the door, power supply makes the J4 adhesive by D2, AJ switches on and enters mode of operation, simultaneously the signal that is provided by point driving switch SA enters [12] input end of AJ and handles the back through AJ and send signal voltage in mouth [5] and [7] and make J1, J3 conduct electricity adhesive, J1 on door motor ZD1, the J3 connection motor ZD2 that unblanks, the time of connecting is controlled by AJ, car door opening.After discharging crawl switch S A, AJ sends signal voltage at mouth [6] and makes the adhesive of J2 conduction, the motor ZD1 that opens the door reversing, spacing collision block [6] magnetic on the worm gear in the casing in inversion process [13] is opened normally closed contact SL-1 and the SL-2 of SL to limit switch SL, the AJ outage, the motor ZD1 that opens the door shuts down immediately, the release of opening the door, spacing collision block on the interior worm gear of casing this moment and the mutual alignment of limit switch SL are separated into and do not influence the position that car door opens Door by Hand: when pressing point driving switch SA, then the signal that provides of SA enters [13] input end of AJ and handles the back through AJ and makes the J2 adhesive exporting [6] output voltage, the motor that opens the door reversing is promptly closed the door, lockup is controlled by AJ equally, after discharging crawl switch S A, [13] input end signal of AJ disconnects, and mouth [5] output voltage makes J1 conducting adhesive, and the motor that opens the door just changes, open when just forwarding to not influence manually, when closing the door the position, the end of closing the door.

Claims (2)

1, a kind of by change speed gear box, motor [4], tooth bar [9], rack tube [17], connecting rod [16], door lever [15], the mechanical drive that base plate [3] and gusset piece [2] are formed and by the motor ZD1 that opens the door, motor ZD2 unblanks, point driving switch SA, limit switch SL, the car automatic door operator that the electric apparatus control apparatus that microprocessor AJ and AC contactor are formed constitutes together, it is characterized in that in the change speed gear box of mechanical drive, being equipped with worm screw [5], worm gear [10], gear [12], limit switch SL[7], spacing collision block [6] and axle sleeve [8], it is fixing that annexation between them is that worm screw passes through the casing [13] of its two ends head bearing and change speed gear box, motor [4] is installed on the casing [13], motor shaft is connected with worm screw is coaxial, worm gear and gear carry out same axle mounting by the worm-wheel shaft on the casing, a limit switch SL[7 is housed] on casing, spacing collision block [6] is housed on worm gear, worm gear and worm screw interlock, the rack and pinion interlock, the tooth bar left end passes the axle sleeve [8] that is located on the casing, tooth bar right-hand member end two sides are respectively adorned a bearing [18] and are passed through the garden pin with tooth bar and bearing fixing, rack tube [17] is installed on the casing, connecting rod [16] lower end and tooth bar are fixed, small end flexibly connects by copper sheathing [14] and door lever [15], copper sheathing [14] is contained in small end, the door lever other end passes gusset piece [2] and is actively connected on the vehicle body, casing is fixed on the base plate [3], base plate is fixed on the gusset piece [2], and gusset piece is fixed on the car door [1]; In electric apparatus control apparatus, the unblank end ground connection of motor ZD2, the end J3-2 of another termination AC contactor J3, the other end J3-1 power connection of J3, two ends of motor ZD1 of opening the door meet central contact J1-1 and the J2-1 of AC contactor J1 and J2 respectively, the open contact J1-2 of J1 and J2, the J2-2 power connection, normally closed contact J1-3 and J2-3 ground connection, the central contact of point driving switch SA [1] power connection, two end points [2] and [3] are inserted input end [12] and [13] of microprocessor respectively in addition, simultaneously by isolation diode D1, the end [8] of D2 incoming transport contactless switch J4, the other end ground connection of J4, microprocessor has three output signal lines [5], [6], [7] insert J1 respectively, J2, the input end of J3, J1, J2, the mouth of J3 is held mutually with the J4-2 of the SL-2 of limit switch and J4 and is connect, and the other end J4-1 of J4 and the normally closed contact SL-1 of limit switch also connect the back power connection.

2, car automatic door operator according to claim 1 is characterized in that an end of door lever [15] flexibly connects by copper sheathing [14] and connecting rod [16], and the other end of door lever [15] passes gusset piece [2] and flexibly connects with vehicle body.