Pedal apparatus for automatically lifting and vehicle
Technical field
The utility model relates to the vehicle technology field, in particular to a kind of pedal apparatus for automatically lifting and a kind of vehicle.
Background technology
The at present configuration design of mixermobile trends towards tall and big, simultaneously, strengthens angle of attach so that the operator's compartment boarding footplate ground Clearance is larger owing to be limited by, and has affected to a certain extent people's operator's compartment of coming in and going out, and has potential safety hazard.
Therefore, need a kind of pedal apparatus for automatically lifting, can the automatic lifting boarding footplate, make things convenient for chaufeur and the occupant operator's compartment of coming in and going out.
The utility model content
For the problems referred to above, the utility model provides a kind of pedal apparatus for automatically lifting, can the automatic lifting boarding footplate, make things convenient for chaufeur and the occupant operator's compartment of coming in and going out.
According to an aspect of the present utility model, a kind of pedal apparatus for automatically lifting is proposed, be used for vehicle, comprise: control circuit, be connected to drive motor, when the car door opening of described vehicle, provide the forward drive signal to described drive motor, when described closing of the door, provide reverse drive signals to described drive motor; Described drive motor, the type of the driving signal that provides according to described control circuit drives lifting mechanism, and wherein, forward when described drive motor is the forward drive signal at described driving signal is reversed when described driving signal is reverse drive signals; Described lifting mechanism is connected with pedal, and under the driving of described drive motor, described pedal is with described lifting mechanism up-and-down movement.
In this technical scheme, realize the pedal lifting by motor positive and inverse.Here drive pedal in the time of can being the motor forward and rise, drive pedal during motor reversal and descend; Drive pedal in the time of also can being the motor forward and descend, drive pedal during motor reversal and rise.
Preferably, described control circuit comprises: door contact interrupter at described car door opening with when closing, sends the first control signal to the car door relay; Described car door relay is connected to power supply and described door contact interrupter, and described car door relay comprises first end mouth and the second port, according to the utmost point conducting of described the first control signal with described the first port or described the second port and described power supply; The pedal stroke switch when upper or the next, sends second control signal to the pedal relay at pedal travel; Described pedal relay is connected to described power supply and described pedal stroke switch, and described pedal relay comprises the 3rd port and the 4th port, according to another utmost point conducting with described the 3rd port or described the 4th port and described power supply of described the second control signal; The first power port of described drive motor is connected to described the first port and described the 3rd port, and the second source port of described drive motor is connected to described the second port and described the 4th port.
In this technical scheme, during car door opening, the first control signal that the car door relay sends according to door contact interrupter is with the first port and positive source conducting, and the pedal relay is with the 4th port and power cathode conducting.Because the first power port of drive motor is connected with the first port, the second source port is connected with the 4th port, consist of C/LOOP, drive motor forward this moment.The drive motor forward can drive pedal travel, for example in one case drive motor forward driving pedal stretches out downwards, then when pedal travel when the next, trigger the pedal stroke switch, the pedal relay disconnects the 4th port and power cathode according to the second control signal that the pedal stroke switch sends, with the 3rd port and power cathode conducting, drive motor stops operating simultaneously.The drive motor rear closed door that stops operating, the car door relay disconnects the first port and positive source according to the first control signal that door contact interrupter sends, simultaneously with the second port and positive source conducting, because the first power port of drive motor is connected with the 3rd port, the second source port is connected with the second port, consist of with it the place ahead to opposite C/LOOP this moment, the drive motor counter-rotating.The drive motor counter-rotating drives pedal and upwards regains, when pedal travel when upper, trigger the pedal stroke switch, the pedal relay disconnects the 3rd port and power cathode according to the second control signal that the pedal stroke switch sends, with the 4th port and power cathode conducting, drive motor stops operating simultaneously.In addition, according to the difference of actual connection, make the drive motor counter-rotating drive pedal and stretch out downwards, the drive motor forward drives pedal and upwards regains, and can realize identical technique effect.
Preferably, described lifting mechanism comprises screw mandrel, silk braid and lifting bar, described pedal is arranged on the bottom of described lifting bar, described silk braid is fixedly attached to described lifting bar, described screw mandrel matches with described silk braid under the driving of described drive motor, makes described lifting bar drive described pedal up-and-down movement.
In this technical scheme, the propulsive effort that the cooperation by screw mandrel and silk braid provides drive motor converts the power of above-below direction to, makes the lifting bar up-and-down movement.
Preferably, described drive motor drives described screw mandrel by transmission component and rotates, and described transmission component comprises reducing gear.
In this technical scheme, the rotating speed of drive motor is usually higher, directly drives screw mandrel and can make the screw mandrel rotation too fast.Make drive motor drive screw mandrel by reducing gear, can make the velocity of rotation of screw mandrel be lower than the rotating speed of drive motor.
Preferably, described transmission component also comprises power-transfer clutch, and described reducing gear drives described screw mandrel by described power-transfer clutch and rotates under the driving of described drive motor.
In this technical scheme, by power-transfer clutch the propulsive effort of drive motor is delivered to screw mandrel, even if screw mandrel is stuck like this, drive motor still can rotate, thereby can not be burned.
Preferably, described pedal apparatus for automatically lifting also comprises fixed seating, described lifting bar is built in the described fixed seating, can be along described fixed seating up-and-down movement, and the position of stretching out described fixed seating at bottom and the described lifting bar of described fixed seating is provided with dust protecting cap.
In this technical scheme, fixed seating can play the support of total and directional tagging, cooperates impurity such as can preventing dust to enter with dust protecting cap, avoids that screw mandrel, silk braid is stuck.
Preferably, be provided with the pedal guide pin bushing on the described fixed seating, be connected with the pedal guide rod on the described pedal, described pedal guide rod passes described pedal guide pin bushing, can be in described pedal guide pin bushing up-and-down movement.
In this technical scheme, arranging of pedal guide rod, pedal guide pin bushing can prevent that pedal from swinging in the horizontal direction, makes pedal more stable.
Preferably, described pedal stroke switch comprises upper travel switch and the next travel switch, described upper travel switch and described the next travel switch are arranged on the described fixed seating, and described pedal guide rod triggers described upper travel switch when extremely upper with described pedal travel; When extremely the next with described pedal travel, trigger described the next travel switch.
In this technical scheme, arranging of upper travel switch and the next travel switch can be sent control signal when upper and the next exactly at pedal travel, makes the work of pedal relay.
Preferably, described screw mandrel and described silk braid have auto-lock function.
In this technical scheme, use the screw pair with auto-lock function, even also can the pine holder between screw mandrel and the silk braid when bearing large gravity, slide.
According on the other hand of the present utility model, a kind of vehicle is proposed, comprise each described pedal apparatus for automatically lifting in the technique scheme.
By technique scheme, can the automatic lifting boarding footplate, make things convenient for chaufeur and the occupant operator's compartment of coming in and going out.
Description of drawings
Fig. 1 shows the electrical connection scheme drawing according to the pedal apparatus for automatically lifting of embodiment of the present utility model;
Fig. 2 shows the scheme drawing according to the mechanical driving part of the pedal apparatus for automatically lifting of embodiment of the present utility model;
Fig. 3 and Fig. 4 show the scheme drawing according to the pedal apparatus for automatically lifting of embodiment of the present utility model.
Component names and the corresponding relation between the Reference numeral among Fig. 1 to Fig. 4 are:
1 drive motor, 2 reducing gear, 3 power-transfer clutchs, 4 clutch output shafts, 5 screw mandrels, 6 silk braids, 7 lifting bars, 8 fixed seatings, 9 pedals, 10 dust protecting caps, 11 pedal guide pin bushings, 12 pedal guide rods, 13 upper travel switches, 14 the next travel switches, 15 door contact interrupters, 16 car door relays, 17 pedal stroke switches, 18 pedal relays.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples the utility model is described further.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
Fig. 1 shows the electrical connection scheme drawing according to the pedal apparatus for automatically lifting of embodiment of the present utility model.
As shown in Figure 1, control circuit comprises: door contact interrupter 15 at car door opening with when closing, sends the first control signal to car door relay 16; Car door relay 16 is connected to power supply and door contact interrupter 15, and car door relay 16 comprises a end and b end, according to the anodal conducting of the first control signal with a end or b end and power supply; Pedal stroke switch 17 when upper or the next, sends second control signal to pedal relay 18 at pedal travel; Pedal relay 18 is connected to power supply and pedal stroke switch 17, and pedal relay 18 comprises c end and d end, according to the negative pole conducting of the second control signal with c end or d end and power supply; The first power port of drive motor 1 is connected to a end of car door relay 16 and the c end of pedal relay 18, and the second source port of drive motor is connected to the b port of car door relay 16 and the d end of pedal relay 18.
When car door opening, trigger door contact interrupter 15, car door relay 16 is held a and the positive source conducting according to the first control signal that door contact interrupter 15 sends, and pedal relay 18 is with d end and power cathode conducting.Because the first power port of drive motor 1 is connected with a end, the second source port is connected with the d end, consists of C/LOOP, drive motor 1 forward this moment.Drive motor 1 forward can drive pedal travel, for example in one embodiment drive motor 1 forward driving pedal stretches out downwards, then when pedal travel when the next, trigger pedal stroke switch 17, pedal relay 18 disconnects d end and power cathode according to the second control signal that pedal stroke switch 17 sends, with c end and power cathode conducting, drive motor 1 stops operating simultaneously.The drive motor 1 rear closed door that stops operating, car door relay 16 disconnects a end and positive source according to the first control signal that door contact interrupter 15 sends, simultaneously with b end and positive source conducting, because the first power port of drive motor 1 is connected with the c end, the second source port is connected with the b end, consist of with it the place ahead to opposite C/LOOP this moment, drive motor 1 counter-rotating.Drive motor 1 counter-rotating drives pedal and upwards regains, when pedal travel when upper, trigger pedal stroke switch 17, pedal relay 18 disconnects c end and power cathode according to the second control signal that pedal stroke switch 17 sends, with d end and power cathode conducting, drive motor 1 stops operating simultaneously.In another embodiment, make drive motor 1 counter-rotating drive pedal and stretch out downwards, drive motor 1 forward drives pedal and upwards regains, and can realize identical technique effect.
Below in conjunction with Fig. 2 to Fig. 4 the mechanical driving part according to the pedal apparatus for automatically lifting of embodiment of the present utility model is described.
Referring to Fig. 2 and Fig. 3, screw mandrel 5, silk braid 6 and lifting bar 7 form lifting mechanism, and pedal 9 is arranged on the bottom of lifting bar 7, and silk braid 6 is fixedly attached to lifting bar 7, screw mandrel 5 matches with silk braid 6 under the driving of drive motor 1, makes lifting bar 7 drive pedal 9 up-and-down movements.
In this technical scheme, the propulsive effort that the cooperation by screw mandrel 5 and silk braid 6 provides drive motor 1 converts the power of above-below direction to, makes lifting bar 7 up-and-down movements.
Preferably, drive motor 1 drives screw mandrel 5 by transmission component and rotates, and transmission component comprises reducing gear 2.
In this technical scheme, the rotating speed of drive motor 1 is usually higher, directly drives screw mandrel 5 and can make screw mandrel 5 rotations too fast.Make drive motor 1 drive screw mandrels 5 by reducing gear 2, can make the velocity of rotation of screw mandrel 5 be lower than the rotating speed of drive motor 1.
Preferably, transmission component also comprises power-transfer clutch 3, and reducing gear 2 drives screw mandrel 5 by power-transfer clutch 3 and rotates under the driving of drive motor 1.
In this technical scheme, by power-transfer clutch 3 propulsive effort of drive motor 1 is delivered to screw mandrel 5, even if screw mandrel 5 is stuck like this, drive motor 1 still can rotate, thereby can not be burned.
Preferably, the pedal apparatus for automatically lifting of this embodiment also comprises fixed seating 8, and lifting bar 7 is built in the fixed seating 8, can be along fixed seating 8 up-and-down movements, and the position of stretching out fixed seating 8 at bottom and the lifting bar 7 of fixed seating 8 is provided with dust protecting cap 10.
In this technical scheme, fixed seating 8 can play the support of total and directional tagging, cooperates impurity such as can preventing dust to enter with dust protecting cap 10, avoids that screw mandrel 5, silk braid 6 is stuck.
Referring to Fig. 4.In this embodiment, preferably, be provided with pedal guide pin bushing 11 on the fixed seating 8, be connected with pedal guide rod 12 on the pedal 9, pedal guide rod 12 passes pedal guide pin bushing 11, can be at pedal guide pin bushing 11 interior up-and-down movements.
In this technical scheme, arranging of pedal guide rod 12, pedal guide pin bushing 11 can prevent that pedal 9 from swinging in the horizontal direction, makes pedal 9 more stable.
Preferably, pedal stroke switch 17 comprises upper travel switch 13 and the next travel switch 14, and upper travel switch 13 and the next travel switch 14 are arranged on the fixed seating 8, and pedal guide rod 12 triggers upper travel switch 13 moving to pedal 9 when upper; Moving to pedal 9 when the next, trigger the next travel switch 14.
In this technical scheme, the arranging to move at pedal 9 of upper travel switch 13 and the next travel switch 14 sent control signal when upper and the next exactly, makes 18 work of pedal relay.
Preferably, screw mandrel 5 has auto-lock function with silk braid 6.
In this technical scheme, use the screw pair with auto-lock function, even also can the pine holder between screw mandrel 5 and the silk braid 6 when bearing large gravity, slide.
The utility model has also proposed a kind of vehicle, comprises the pedal apparatus for automatically lifting described in above-mentioned arbitrary technical scheme.
To sum up, consider present mixermobile operator's compartment design feature, and from people's height characteristics, can be convenient for people to up and down operator's compartment according to the utility model, promoted the vehicle human oriented design; Take full advantage of the operator's compartment finite space, it is more reasonable that the pedal lifting structure is arranged; And this constructional device is simple, be easy to realize, easy to use, low cost of manufacture simultaneously, maintaining is simple, reliability of service is good.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.