CN209126843U - It is a kind of to promote the controllable tire extraction element of speed - Google Patents
It is a kind of to promote the controllable tire extraction element of speed Download PDFInfo
- Publication number
- CN209126843U CN209126843U CN201821831191.6U CN201821831191U CN209126843U CN 209126843 U CN209126843 U CN 209126843U CN 201821831191 U CN201821831191 U CN 201821831191U CN 209126843 U CN209126843 U CN 209126843U
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- pin
- motor
- control chip
- pole
- collector
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Abstract
The utility model discloses a kind of tire extraction elements that promotion speed is controllable, it is characterized in that, including pedestal (1), the motor (2) and support arm (8) being separately positioned on pedestal (1), for controlling the control box (5) of motor (2), the screw rod (3) being connected with the shaft of motor (2), and the supporting table being threadedly coupled with screw rod (3).The utility model drives the screw rod being connected with its shaft to rotate by the motor being arranged, screw rod drives supporting table to move up and down, the spare tyre that can will get on the car positioned at supporting table realizes lifting in the case where not needing manpower, so that driver spare tyre easily can be removed or placed into groove from groove car, to the problem of the existing automobile spare tire of the utility model very good solution extraction side inconvenience when in use, the physical strength for effectively saving operator, makes our drivers that can easily complete the storage of automobile spare tire.
Description
Technical field
The utility model relates to a kind of automobile equipment, are a kind of tire extraction dresses that promotion speed is controllable specifically
It sets.
Background technique
Automobile is one of the vehicles being often used during we live, and tire is that automobile is one of main building block,
It is automobile component most easy to damage in the process of moving, therefore automobile will have a spare tyre, and most of automobile is standby at present
Tire is all placed on the fixation device in groove set by car trunk, when needing using spare tyre, needs us by spare tyre
It is removed from the fixation device in groove and spare tyre is proposed into groove, this work may be used also for most of male drive personnel
To complete.However, take out a weight out of groove in 25-40 kilograms of spare tyre for our female drive personnel,
This is a very difficult thing, and therefore, our current automobile spare tires there is a problem of extracting inconvenience when in use.
Therefore, we are badly in need of one kind at present can not only can be changed extraction rate, but also the automobile that spare tyre can be made to be easily removed
Spare tyre storing unit.
Utility model content
Have the defects that extract inconvenience when in use the purpose of the utility model is to overcome existing automobile spare tire, provide
One kind extraction rate can not only can be changed, but also the tire extraction element that the promotion speed that spare tyre can be made to be easily removed is controllable.
The utility model is achieved through the following technical solutions: a kind of tire extraction element that promotion speed is controllable, including
Pedestal, the motor and support arm being separately positioned on pedestal, for controlling the control box of motor, the silk being connected with the shaft of motor
Bar, and the supporting table being connect with wire rod thread；The supporting table is slidably connected with support arm；The control box includes double-direction control
Switch and the motor driver being connected with double-direction control switch；The motor is connected with motor driver；The motor drives
Dynamic device includes control chip U, the pulsewidth modulation being connected respectively with the UCC pin of control chip U and DIS pin and T pin
Circuit, and three collection tube drive circuits being connected respectively with the R pin of control chip U and F pin and GND pin；It is described
Control the GND pin ground connection of chip U；The UCC pin of the control chip U is connected with double-direction control switch, three collector
Driving circuit, which is connected to the motor, to be connect.
The pulse-width modulation circuit includes one end to be connected with the UCC pin of control chip U, the other end and control chip U
The resistance pole R1, N that is connected of DIS pin be connected after resistance R2 with the DIS pin of control chip U, two poles of the pole P ground connection
The pipe pole D2, P with control chip U DIS pin be connected, two that the pole N is connected after adjustable resistance R3 with the pole P of diode D2
Pole pipe D1, and the capacitor that wherein one end is connected after adjustable resistance R4 with the adjustable side of adjustable resistance R3, the other end is grounded
C1；The T pin of the control chip U is connected with the adjustable side of adjustable resistance R4.
The three collection tube drive circuit includes three collector Q1, and three collector Q2, one end is connected, separately with the base stage of three collector Q2
The resistance pole R5, P that one end is connected with the F pin of control chip U is connected with the F pin of control chip U, the pole N is through resistance R6
The diode D3 being connected afterwards with the emitter of three collector Q2, anode is connected with the collector of three collector Q1, cathode and two poles
The polar capacitor C2 and one end that the pole N of pipe D3 is connected be connected with the cathode of polar capacitor C2, the other end and control chip
The resistance R7 that the GND pin of U is connected；The emitter of the three collectors Q1 is connected with the R pin of control chip U, three collection
The base stage of pipe Q1 is connected with the collector of three collector Q2；The pole N of the diode D3 is grounded；The collector of the three collectors Q1
The output end and and motor of three collection tube drive circuits are collectively formed with the GND pin of control chip U.
The supporting table includes support frame, crossbeam and top plate on the support frame is respectively set, and be arranged on crossbeam
And the thread bush being connect with wire rod thread；Support frame as described above is slidably connected with support arm.
Further, support frame as described above is " u "-shaped, and the crossbeam is arranged on the open end inner wall of support frame；The top
Plate is arranged on the top of support frame；Sliding block is additionally provided on support frame as described above, the quantity of the sliding block is two, and two sliding blocks
On the two sidewalls of symmetrically arranged support frame.
Further, the quantity of the support arm is two, and two support arms are symmetricly set on pedestal, on the support arm
It is provided with strip-shaped hole；The motor is located between two support arms；The sliding block is located in strip-shaped hole and can be along strip-shaped hole inner wall
Lower slider.
Further, the top plate is circle；Band handle standing screw, and the fixed spiral shell of the band handle are provided on the top plate
Bar is to be threadedly coupled with top plate.The control chip U is NE555 integrated chip.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model is not only simple in structure, and low in cost, the utility model by setting motor drive with
The screw rod rotation that its shaft is connected, screw rod drive supporting table to move up and down, and can will get on the car positioned at supporting table standby
Tire realizes lifting in the case where not needing manpower, be removed or placed into driver easily spare tyre can from groove car recessed
Slot, so that the problem of the existing automobile spare tire of the utility model very good solution extraction side inconvenience when in use, effective to save
The physical strength for having saved operator makes our drivers that can easily complete the storage of automobile spare tire.
(2) the double-direction control switch of the control box setting of the utility model can be adjusted the steering of motor, well
Realize going up and down certainly for tire；Meanwhile controlling and being also provided with motor driver in box for controlling the speed of motor, make
The promotion of tire or decrease speed can be adjusted according to actual needs, effectively ensure the applicability, work of the utility model
Make efficiency.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the support arm of the utility model.
Fig. 3 is the structural schematic diagram of the support frame of the utility model.
Fig. 4 is the structural schematic diagram of the control box of the utility model.
Fig. 5 is the electrical block diagram of the motor driver of the utility model.
Fig. 6 uses schematic diagram for the utility model.
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1-pedestal, 2-motors, 3-screw rods, 4-support frames, 5-control boxes, 501-double-direction controls switch, 502-electricity
Machine driver, 6-crossbeams, 7-thread bush, 8-support arms, 9-top plates, 10-sliding blocks, 11-band handle standing screws, 12-bar shapeds
Hole.
Specific embodiment
The utility model is described in further detail below with reference to embodiment and its attached drawing, but the reality of the utility model
It is without being limited thereto to apply mode.
Embodiment
As shown in figs. 1 to 6, the utility model includes pedestal 1, motor 2, support arm 8, control box 5, screw rod 3, and support
Platform.Wherein, the supporting table is as described in Figure 1 comprising support frame 4, crossbeam 6, top plate 9 and thread bush 7.
When it is implemented, the pedestal 1 is the supporting body of whole device, the pedestal 1 is fixed on car trunk when in use
For storing the bottom portion of groove of spare tyre, and it is screwed in bottom portion of groove center.The motor 2 and support arm 8 then divides
It is not mounted on pedestal 1, support arm 8 is set as two in the present embodiment, and two support arms 8 are symmetricly set on pedestal 1, should
Strip-shaped hole 12 is provided on support arm 8.Motor 2 is then mounted between two support arms 8, and motor 2 is the power source of whole device.Screw rod
3 are mounted in the shaft of motor 2, and in the shaft which passes through screw fixed resistance value motor 2, screw rod 3 can be with motor 2
Shaft keeps synchronized movement in the same direction.And since the supporting table for accepting spare tyre is mounted on screw rod 3, the supporting table and screw rod 3 use
It is threadedly coupled, which is slidably connected with the holding of support arm 8 simultaneously, which can play the role of positioning to supporting table simultaneously,
Ensure that supporting table is able to maintain the up and down motion of orientation.
Wherein, the control box 5 is connected with motor 2, as shown in figure 4, control box 5 includes 501 He of two-way switch
Motor driver 502, the two-way switch 501 are connected into electric end with automobile power supply, output end and 502 phase of motor driver
Connection.The output end of the motor driver 502 is then connected with motor 2, which can be to output voltage pulse
Duty ratio is continuously adjusted, i.e., is adequately adjusted to pulsewidth, to provide stable variable-operation electricity for motor 2
Pressure realizes the control to the revolving speed of motor 2 well.The double-direction control switch 501 can carry out the positive and negative electrode of output voltage
Adjustment can control the lifting of supporting table to change the steering of motor 2 by two-way switch 501.In specific use we
Box 5 can will be controlled to be fixed in car trunk convenient for the position of operation.
Further, the supporting table is as described in Figure 1 comprising support frame 4, crossbeam 6, top plate 9 and thread bush 7.
Wherein, support frame 4 is as shown in figure 3, it is " u "-shaped, and Open Side Down for the " u "-shaped of its support frame 4 in specific use.And crossbeam
6 are then fixed on by welding on the open end inner wall of support frame 4, which connects mainly due to installation and 3 screw thread of screw rod
The thread bush 7 connect, the thread bush 7 are fixed on the cross beam 6 by welding, make support frame 4 and crossbeam 6 and thread bush 7
It is solidified as a whole.Top plate 9 is mounted on the top of support frame 4, and in order to ensure the stability of the storage of automobile spare tire, which exists
It is preferentially provided in round in the present embodiment, the diameter of the top plate 9 is less than and nave boss inner ring diameter, the diameter of the top plate 9
It can be adjusted according to actual use vehicle.
In order to ensure support frame 4 is able to maintain the up and down motion of straight line under the drive of screw rod 3, it is provided with and slides on support frame 4
Block 10, and two are set by sliding block 10, which is symmetrically mounted on the two sidewalls of support frame 4, which exists
In use in the strip-shaped hole 12 of support arm 8, and 12 inner wall of strip-shaped hole is slidably connected, which not only can ensure that screw rod
3 in rotation, and support frame 4 is not in the case where swinging, moreover it is possible to ensure the effect that support frame 4 moves along a straight line.Meanwhile
In order to ensure the fixed effect to tire, band handle standing screw 11, the band handle standing screw 11 and top plate are provided on top plate 9
9 is are threadedly coupled, and will be screwed into top after the particular bore on tire with handle standing screw 11 again being placed on tire on top plate 9
Plate 9, than being able to achieve the fixation to tire.
Still further, as shown in figure 5, the motor driver 502 includes control chip U, respectively with control chip U's
The pulse-width modulation circuit that UCC pin is connected with DIS pin and T pin, and managed respectively with the R pin of control chip U and F
The three collection tube drive circuits that foot and GND pin are connected；The GND pin ground connection of the control chip U；The control chip U
UCC pin be connected with double-direction control switch 501, it is described three collection tube drive circuit is connected with motor 2.
Further, the pulse-width modulation circuit includes resistance R1, resistance R2, adjustable resistance R3, adjustable resistance R4, two poles
Pipe D1, diode D2 and capacitor C1.
When connection, one end of resistance R1 is connected with the UCC pin of control chip U, the DIS of the other end and control chip U
Pin is connected.The pole N of diode D2 is connected after resistance R2 with the DIS pin of control chip U, the pole P ground connection.Diode D1
The pole P with control chip U DIS pin be connected, the pole N is connected after adjustable resistance R3 with the pole P of diode D2.Capacitor C1
Wherein one end be connected after adjustable resistance R4 with the adjustable side of adjustable resistance R3, the other end ground connection.The control chip U's
T pin is connected with the adjustable side of adjustable resistance R4.
Wherein, as shown in figure 5, the resistance R1 is the forward resistance of diode D1, resistance R1=resistance R2=1k Ω；
The adjustable resistance R3 > resistance R1 and resistance R2, and adjustable resistance R3=10M, and adjustable resistance R4 is as adjustable resistance R3's
Auxiliary resistance, resistance value should be lower than the resistance value of adjustable resistance R3, and the resistance value that uses of adjustable resistance R4 is come in fact for the potentiometer of 1M
It is existing；Energy-storage travelling wave tube of its capacitor C1 as this circuit, capacitance are then preferentially set as 0.1 μ F.
Further, the three collection tube drive circuit includes three collector Q1, three collector Q2, resistance R5, resistance R6, resistance
R7, polar capacitor C2 and diode D3.
When connection, one end of resistance R5 is connected with the base stage of three collector Q2, the F pin phase of the other end and control chip U
Connection.The pole P of diode D3 is connected with the F pin of control chip U, emitter phase of the pole N after resistance R6 with three collector Q2
Connection.The anode of polar capacitor C2 is connected with the collector of three collector Q1, and cathode is connected with the pole N of diode D3.Resistance
One end of R7 is connected with the cathode of polar capacitor C2, and the other end is connected with the GND pin of control chip U.
The emitter of the three collectors Q1 is connected with the R pin of control chip U, the base stage and three collectors of three collector Q1
The collector of Q2 is connected；The pole N of the diode D3 is grounded；The collector of the three collectors Q1 and the GND of control chip U are managed
Foot is collectively formed the output end of three collection tube drive circuits and is connected with motor 2.
Three collector Q1 in the present embodiment are realized using the amplifier tube of model 3AX81, and three collector Q2 are then preferential
Using 3DG12；Meanwhile the resistance value of resistance R5 is set as 4.7k Ω, the resistance value of resistance R6 is set as 47k Ω, resistance R7 conduct
Shut off resistance, and resistance value is set as 10k Ω；Polar capacitor C2 is 2200 μ F charge and discharge of high capacitance as triggering capacitor
Hold；Diode D3 then preferentially uses the switching tube of 1N4148.
Resistance R1, diode D1, adjustable resistance R3 and capacitor C1 and control when implementation, in the pulse-width modulation circuit
The UCC pin of chip U forms the charge circuit of a pulse generation, and the charging time of the charge circuit is t0, t0=In2
(R1+D1+R3) C, and because of the forward resistance that resistance R1 is diode D1, the resistance value of resistance R1 is smaller, makes t0≈0.693(R1+
R2)C.When capacitor C1 complete charge after, the connecting pin with adjustable resistance R4 be then anode, capacitor C1 and with adjustable resistance R4
Resistance R2 diode D2 forms electric discharge meeting road, makes to control the discharge tube conducting in chip U, and DIS pin is grounded, therefore institute is at this time
Discharge time be t1, t1≈0.693(R4+R2)C.Therefore, the oscillation week for controlling chip U is T, T=t0+t1≈0.693
(R3+R4+R1+R2) C=0.693 (R3+R1+R2) C.
The resistance R1 is the forward resistance of diode D1, resistance R1=resistance R2=1k Ω；The adjustable resistance R3
> resistance R1 and resistance R2, and adjustable resistance R3=10M, therefore it is D, D=t that pulse duty factor, which can be obtained,1÷ T=(R1+
R3)÷(R4+R1+R2).As R4=0, D=R1/ (R4+R1+R2) ≈ R1/R4=0.01%；As R3=0, R3 becomes R4,
Pulse duty factor at this time is D=R1+R4/ (R4+R1+R2)=99.99%.Meanwhile adjustable resistance R3 and adjustable resistance R4 phase
It is able to achieve after cooperation and pulse duty factor is continuously adjusted.
When the adjustable side of adjustable resistance R3 is slided to the left, pulse duty factor D reduces, i.e. the wide reduction of positive pulse, controls core
The average value of piece U output becomes smaller, and the revolving speed of motor 2 reduces；When the adjustable side of adjustable resistance R3 is slided to the right, pulse duty factor
D increases, i.e. the wide increase of positive pulse, and the average value of control chip U output becomes larger, and 2 velocity of rotation of motor becomes faster.
R3 in its above-mentioned formula is adjustable resistance R3, and R4 is adjustable resistance R4, and R1 is resistance R1, and R2 is resistance R2, and C1 is
Capacitor C1, D1 are diode D1, and D2 is diode D2.As shown in figure 5, adjustable resistance R3 and adjustable resistance R4 forms a change
Amount switch can be adjusted the speed of motor 2 by adjusting variable switch in practical probation, variable switch
Adjustable side is located on control box 5.
When carrying out practically, when the height that the F pin for controlling chip U is 1V is flat, three collector Q1 conducting, the base stage of three collector Q2
It for low level, is also turned on, direct current generator 2 is made to be powered, motor 2 accelerates；Meanwhile polar capacitor C2 is started to charge.When control core
When the F pin of piece U is 0V low level, three collector Q1 cut-off, three collector Q2 are also switched off simultaneously, by the dump of direct current generator 2,
Energy storage rotation of the dc motor by coherence and polar capacitor C2 at this time, the deceleration of direct current generator 2.
The utility model is in use, drives the screw rod 3 being connected with its shaft to rotate by the motor 2 of setting, silk
Bar 3 and thread bush 7 form a counter motion, change the steering of motor 2 by control box 5, and control to the revolving speed of motor 2
System realizes support frame 4 and moves up and down, and the spare tyre that can will get on the car positioned at supporting table is realized in the case where not needing manpower to be risen
Drop, makes driver spare tyre easily can be removed or placed into groove from groove car.To the utility model very good solution
The problem of existing automobile spare tire extraction side's inconvenience when in use, effectively saves the physical strength of operator, makes our drivers
The storage of automobile spare tire can easily be completed.
According to above-described embodiment, the utility model can be realized well.
Claims (8)
1. a kind of promote the controllable tire extraction element of speed, which is characterized in that including pedestal (1), be separately positioned on pedestal (1)
On motor (2) and support arm (8), for controlling the control box (5) of motor (2), the screw rod being connected with the shaft of motor (2)
(3), the supporting table and with screw rod (3) being threadedly coupled；The control box (5) is connected with motor (2)；The supporting table and branch
Arm (8) is slidably connected；The control box (5) includes double-direction control switch (501) and is connected with double-direction control switch (501)
Motor driver (502)；The motor (2) is connected with motor driver (502)；The motor driver (502) includes control
Coremaking piece U, the pulse-width modulation circuit being connected respectively with the UCC pin of control chip U and DIS pin and T pin, Yi Jifen
Three collection tube drive circuits not being connected with the R pin of control chip U and F pin and GND pin；The control chip U's
GND pin ground connection；The UCC pin of the control chip U is connected with double-direction control switch (501), the three collectors driving electricity
Road is connected with motor (2).
2. a kind of tire extraction element that promotion speed is controllable according to claim 1, which is characterized in that the pulsewidth tune
Circuit processed includes the electricity that one end is connected with the UCC pin of control chip U, the other end is connected with the DIS pin of control chip U
Hinder R1, the diode pole D2, P that the pole N is connected after resistance R2 with the DIS pin of control chip U, the pole P is grounded and control chip U
DIS pin be connected, the diode D1 that the pole N is connected after adjustable resistance R3 with the pole P of diode D2, and wherein one end
It is connected after adjustable resistance R4 with the adjustable side of adjustable resistance R3, the capacitor C1 of other end ground connection；The T of the control chip U
Pin is connected with the adjustable side of adjustable resistance R4.
3. a kind of tire extraction element that promotion speed is controllable according to claim 2, which is characterized in that three collector
Driving circuit includes three collector Q1, three collector Q2, and one end is connected with the base stage of three collector Q2, the other end and the F for controlling chip U
The resistance pole R5, P that pin is connected with control chip U F pin be connected, transmitting of the pole N after resistance R6 with three collector Q2
The diode D3 that pole is connected, anode be connected with the collector of three collector Q1, the pole that cathode is connected with the pole N of diode D3
Property capacitor C2 and one end is connected with the cathode of polar capacitor C2, the other end is connected with the GND pin of control chip U
Resistance R7；The emitter of the three collectors Q1 is connected with the R pin of control chip U, the base stage and three collectors of three collector Q1
The collector of Q2 is connected；The pole N of the diode D3 is grounded；The collector of the three collectors Q1 and the GND of control chip U are managed
Foot be collectively formed the output end of three collection tube drive circuits and with motor (2).
4. a kind of tire extraction element that promotion speed is controllable according to claim 3, which is characterized in that the control core
Piece U is NE555 integrated chip.
5. a kind of tire extraction element that promotion speed is controllable according to claim 4, which is characterized in that the supporting table
Including support frame (4), the crossbeam (6) and top plate (9) being separately positioned on support frame (4), and be arranged on crossbeam (6) and with
The thread bush (7) that screw rod (3) is threadedly coupled；Support frame as described above (4) is slidably connected with support arm (8).
6. a kind of tire extraction element that promotion speed is controllable according to claim 5, which is characterized in that support frame as described above
It (4) is " u "-shaped, the crossbeam (6) is arranged on the open end inner wall of support frame (4)；The top plate (9) is arranged in support frame
(4) on top；Sliding block (10) are additionally provided on support frame as described above (4), the quantity of the sliding block (10) is two, and two sliding blocks
(10) on the two sidewalls of symmetrically arranged support frame (4).
7. a kind of tire extraction element that promotion speed is controllable according to claim 6, which is characterized in that the support arm
(8) quantity is two, and two support arms (8) are symmetricly set on pedestal (1), are provided with strip-shaped hole on the support arm (8)
(12)；The motor (2) is located between two support arms (8)；The sliding block (10) is located in strip-shaped hole (12) and can be along strip-shaped hole
(12) inner wall slides up and down.
8. a kind of tire extraction element that promotion speed is controllable according to claim 7, which is characterized in that the top plate
It (9) is circle；Band handle standing screw (11) is provided on the top plate (9), and the band handle standing screw (11) is with top plate (9)
It is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831191.6U CN209126843U (en) | 2018-11-07 | 2018-11-07 | It is a kind of to promote the controllable tire extraction element of speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831191.6U CN209126843U (en) | 2018-11-07 | 2018-11-07 | It is a kind of to promote the controllable tire extraction element of speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209126843U true CN209126843U (en) | 2019-07-19 |
Family
ID=67244185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821831191.6U Expired - Fee Related CN209126843U (en) | 2018-11-07 | 2018-11-07 | It is a kind of to promote the controllable tire extraction element of speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209126843U (en) |
-
2018
- 2018-11-07 CN CN201821831191.6U patent/CN209126843U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190719 Termination date: 20201107 |