CN112810438A - Vehicle accelerator control device and operating method thereof - Google Patents
Vehicle accelerator control device and operating method thereof Download PDFInfo
- Publication number
- CN112810438A CN112810438A CN202110010195.8A CN202110010195A CN112810438A CN 112810438 A CN112810438 A CN 112810438A CN 202110010195 A CN202110010195 A CN 202110010195A CN 112810438 A CN112810438 A CN 112810438A
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- oil
- electromagnetic valve
- button switch
- connecting disc
- slip ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
A vehicle accelerator control device comprises a hydraulic oil door controller, an oil cup, an accelerator oil cylinder, a switch control mechanism, a power supply, a button switch, an electromagnetic valve, a first conductive slip ring and a second conductive slip ring; the switch control mechanism comprises a centrifugal column, a spring and a connecting disc; the connecting plate is provided with a chute; the centrifugal column is connected in a sliding groove of the connecting disc in a sliding manner, one end of the spring is hooked on the connecting disc, and the other end of the spring is hooked on the centrifugal column; the button switch is fixedly connected to the connecting disc; the centrifugal column is contacted with or separated from the button switch; a first oil port of the cylinder body is communicated with an oil inlet P of the electromagnetic valve, and an execution port A of the electromagnetic valve is communicated with a rodless cavity of the accelerator oil cylinder; the power supply, the first conductive slip ring, the button switch, the second conductive slip ring and a terminal K of the electromagnetic valve are electrically connected in sequence to form a loop; when the button switch is switched on, the terminal K of the electromagnetic valve is electrified, and the execution port A of the electromagnetic valve is communicated with the oil tank. The invention can realize automatic throttle cut-off when the vehicle is over-speed.
Description
Technical Field
The invention relates to a vehicle, in particular to a vehicle accelerator control device and a working method thereof.
Background
As shown in figure 2, the throttle control device in the prior art comprises a hydraulic oil door controller 30, an oil cup 31 and a throttle cylinder 32, wherein the hydraulic oil door controller 30 comprises a mounting frame 30-1, a throttle pedal 30-2, a piston rod 30-3, a cylinder body 30-4, a piston 30-5, a sealing ring 30-6 and a spring 30-7, the throttle pedal 30-2 is hinged on the mounting frame 30-1, the left end of the piston rod 30-3 is hinged with the throttle pedal 30-2, the right end of the piston rod 30-3 is hinged with the left end of the piston 30-5, the right end of the piston 30-5 is connected with the sealing ring 30-6, two ends of the spring 30-7 respectively abut against the right walls of the piston 30-5 and the cylinder body 30-4, the cylinder wall of the cylinder body 30-4 is provided with a first, the right wall of the cylinder body 30-4 is provided with a second oil port 30-4-2, the first oil port 30-4-1 of the cylinder body 30-4 is communicated with a rodless cavity of the accelerator cylinder 32, the second oil port 30-4-2 of the cylinder body 30-4 is communicated with an oil cup 31, and the installation position of the oil cup 31 on the vehicle is higher than that of the cylinder body 30-4. A piston rod 32-1 of the accelerator oil cylinder 32 is fixedly connected with an accelerator pull rod of the engine. When a driver steps on an accelerator pedal 30-2 of the hydraulic oil door controller 30, the piston rod 30-3 drives the piston 30-5 to move rightwards, so that the sealing ring 30-6 is abutted against the right wall of the cylinder body 30-4, and hydraulic oil in the oil cup 31 cannot flow into the cylinder body 30-4. When the accelerator pedal 30-2 of the hydraulic oil door controller 30 is continuously stepped on, the sealing ring 30-6 is deformed and tightly pressed against the right wall of the cylinder body 30-4, and hydraulic oil in the cylinder body 30-4 enters a rodless cavity of the accelerator cylinder 32 through the first oil port 30-4-1, so that the piston rod 32-1 of the accelerator cylinder 32 drives the accelerator pull rod to move leftwards stably, and the vehicle accelerator can be filled. The throttle control device of the vehicle can not automatically cut off the throttle when the vehicle is overspeed, so that when the vehicle is overspeed and a driver continues to step on the throttle, the speed of the vehicle can be continuously accelerated, and traffic accidents are easy to happen.
Disclosure of Invention
The invention aims to provide a vehicle accelerator control device which can automatically cut off an accelerator when a vehicle is over-speed.
In order to achieve the purpose, the invention adopts the following technical scheme: a vehicle accelerator control device comprises a hydraulic oil door controller, an oil cup and an accelerator oil cylinder; the hydraulic oil door controller comprises a cylinder body; a first oil port and a second oil port are formed in the cylinder body; the throttle oil cylinder comprises a piston rod; the second oil port of the cylinder body is communicated with the oil cup; the mounting position of the oil cup on the vehicle is higher than that of the cylinder body; a piston rod of the accelerator oil cylinder is fixedly connected with an accelerator pull rod of the engine;
the device also comprises a switch control mechanism, a power supply, a button switch, an electromagnetic valve, a first conductive slip ring and a second conductive slip ring; the switch control mechanism comprises a centrifugal column, a spring and a connecting disc; the connecting disc is provided with a radial sliding chute; the centrifugal column is connected in a sliding groove of the connecting disc in a sliding mode, the main body of the spring is located in the sliding groove, one end of the spring is hooked on the connecting disc, and the other end of the spring is hooked on the centrifugal column radially outwards; the button switch is fixedly connected to the connecting disc; the centrifugal column is in contact with or separated from the button switch; a first oil port of the cylinder body is communicated with an oil inlet P of the electromagnetic valve, and an execution port A of the electromagnetic valve is communicated with a rodless cavity of the accelerator oil cylinder; the power supply, the first conductive slip ring, the button switch, the second conductive slip ring and a terminal K of the electromagnetic valve are electrically connected in sequence to form a loop; two ends of the button switch are respectively and electrically connected with the rotor of the first conductive slip ring and the rotor of the second conductive slip ring; the power supply is electrically connected with the stator of the first conductive slip ring; a terminal K of the electromagnetic valve is electrically connected with a stator of the second conductive slip ring; when the button switch is switched on, the terminal K of the electromagnetic valve is electrified, and the execution port A of the electromagnetic valve is communicated with the oil tank.
The centrifugal column comprises a large step part and a small step part; the big step portion is matched with the sliding groove and is close to the circle center of the connecting disc.
The switch control mechanism further comprises a bracket; the button switch is fixedly connected to the connecting disc through a support.
The invention has the following positive effects: (1) because the centrifugal column of the invention is connected in the chute of the connecting disc in a sliding way, one end of the spring is hooked on the connecting disc, and the other end of the spring is hooked on the centrifugal column; the button switch is fixedly connected to the connecting disc; the centrifugal column is contacted with or separated from the button switch; a first oil port of the cylinder body is communicated with an oil inlet P of the electromagnetic valve, and an execution port A of the electromagnetic valve is communicated with a rodless cavity of the accelerator oil cylinder; the power supply, the first conductive slip ring, the button switch, the second conductive slip ring and a terminal K of the electromagnetic valve are electrically connected in sequence to form a loop; when the button switch is switched on, the terminal K of the electromagnetic valve is electrified, and the execution port A of the electromagnetic valve is communicated with the oil tank. When the invention is used, the connecting disc of the switch control mechanism is connected between the output flange of the gearbox of the vehicle and the transmission shaft flange of the rear transmission shaft, so when the vehicle runs at an overspeed, the rotating speed of the connecting disc of the switch control mechanism connected with the output flange of the gearbox is very high, the centrifugal column which is connected in the sliding groove of the connecting disc in a sliding way can overcome the spring force of the spring to move outwards in a radial direction under the action of centrifugal force and push the button of the button switch to press after being contacted with the button switch, the button switch is switched on, the terminal K of the electromagnetic valve is electrified, the execution port A of the electromagnetic valve is communicated with the oil tank, hydraulic oil in a rodless cavity of the accelerator oil cylinder flows into the oil tank through the electromagnetic valve, and the piston rod of the accelerator oil cylinder drives the accelerator pull rod to move. The accelerator control device of the vehicle can automatically cut off the accelerator when the vehicle is overspeed, so that when the vehicle is overspeed and a driver continues to step on the accelerator, the speed of the vehicle cannot be increased continuously, and traffic accidents are not easy to happen.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of a prior art throttle control for a vehicle;
FIG. 3 is a schematic view of the connection of the push button switch of the present invention to the switch control mechanism;
FIG. 4 is a schematic left side view of FIG. 3;
FIG. 5 is an enlarged schematic view I of the push button switch of FIG. 3 separated from the spin column;
FIG. 6 is an enlarged schematic view I of the push button switch of FIG. 3 in contact with the spin column;
FIG. 7 is a schematic view of the push button switch and switch control mechanism of the present invention in connection with a vehicle;
fig. 8 is an enlarged schematic view of ii of fig. 7.
The reference numbers in the above figures are as follows: the hydraulic control system comprises a switch control mechanism 1, a power supply 2, a button switch 3, an electromagnetic valve 4, a first conductive slip ring 5, a second conductive slip ring 6, a centrifugal column 11, a large step part 11-1, a small step part 11-2, a spring 12, a connecting disc 13, a sliding groove 13-1, a connecting hole 13-2, a support 14, a hydraulic oil door controller 30, a mounting frame 30-1, an accelerator pedal 30-2, a piston rod 30-3, a cylinder body 30-4, a first oil port 30-4-1, a second oil port 30-4-2, a piston 30-5, a sealing ring 30-6, a spring 30-7, an oil cup 31, an accelerator oil cylinder 32, a piston rod 32-1, a gearbox 50, an output flange 50-1, a rear transmission shaft 51, a transmission shaft flange 51-1, a mounting plate 52 and a transmission.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the examples given.
As shown in fig. 1 and 3, a throttle control device for a vehicle includes a hydraulic oil valve controller 30, an oil cup 31 and a throttle cylinder 32; the hydraulic oil door controller 30 adopts a MICO hydraulic oil door controller with the model number of 12-460 and 185. The hydraulic oil door controller 30 comprises a cylinder body 30-4; the cylinder body 30-4 is provided with a first oil port 30-4-1 and a second oil port 30-4-2; the accelerator oil cylinder 32 comprises a piston rod 32-1; the second oil port 30-4-2 of the cylinder body 30-4 is communicated with the oil cup 31; the mounting position of the oil cup 31 on the vehicle is higher than that of the cylinder 30-4; a piston rod 32-1 of the accelerator oil cylinder 32 is fixedly connected with an accelerator pull rod of the engine;
the device also comprises a switch control mechanism 1, a power supply 2, a button switch 3, an electromagnetic valve 4, a first conductive slip ring 5 and a second conductive slip ring 6; the button switch 3 is a single button with normally open contacts, i.e. normally, the button switch 3 is in an off state, and when the button of the button switch 3 is pressed, the button switch 3 is on. The first conductive slip ring 5 and the second conductive slip ring 6 are both MT1233 type conductive slip rings manufactured by mobilon technologies ltd.
As shown in fig. 3 to 6, the switch control mechanism 1 includes a centrifugal column 11, a spring 12, and a connecting disc 13; a radial sliding groove 13-1 is formed in the connecting disc 13; the centrifugal column 11 is connected in a sliding groove 13-1 of the connecting disc 13 in a sliding mode, the main body of the spring 12 is located in the sliding groove 13-1, one end of the spring 12 is hooked on the connecting disc 13, and the other end of the spring 12 is hooked on the centrifugal column 11 radially outwards; the spring 12 is a tension spring. The button switch 3 is fixedly connected to the connecting disc 13; the centrifugal column 11 is in contact with or separated from the button switch 3; when the centrifugal column 11 can overcome the acting force of the spring 12 under the action of centrifugal force, the centrifugal column 11 can slide outwards along the sliding groove 13-1 of the connecting disc 13 in the radial direction and then contact the button switch 3 and push the button of the button switch 3 to be pressed down, so that the button switch 3 is switched on. When the centrifugal force of the centrifugal column 11 cannot overcome the acting force of the spring 12, the centrifugal column 11 is separated from the push-button switch 3 under the action of the spring 12, and the push-button switch 3 is turned off. As shown in fig. 1 and 3, the first oil port 30-4-1 of the cylinder body 30-4 is communicated with an oil inlet P of the solenoid valve 4, and an execution port a of the solenoid valve 4 is communicated with a rodless cavity of the throttle cylinder 32; the power supply 2, the first conductive slip ring 5, the button switch 3, the second conductive slip ring 6 and the terminal K of the electromagnetic valve 4 are electrically connected through conducting wires in sequence to form a loop; two ends of the button switch 3 are respectively and electrically connected with a rotor of the first conductive slip ring 5 and a rotor of the second conductive slip ring 6; the power supply 2 is electrically connected with the stator of the first conductive slip ring 5; a terminal K of the electromagnetic valve 4 is electrically connected with a stator of a second conductive slip ring 6; the first conductive slip ring 5 and the second conductive slip ring 6 are provided because the push switch 3 is continuously rotated by 360 °, and the first conductive slip ring 5 is provided in order to prevent the wires connecting the push switch 3 and the power supply 2 from being twisted. In order to prevent the wires of the push switch 3 connected to the terminals K of the solenoid valve 4 from being damaged by twisting, a second conductive slip ring 6 is provided. When the button switch 3 is switched on, the terminal K of the electromagnetic valve 4 is electrified, and the execution port A of the electromagnetic valve 4 is communicated with the oil tank. Under normal conditions, the terminal K of the electromagnetic valve 4 is in a power-off state, the oil inlet P of the electromagnetic valve 4 is communicated with the execution port A, when the button switch 3 is switched on, the terminal K of the electromagnetic valve 4 is electrified, and the execution port A of the electromagnetic valve 4 is communicated with the oil tank.
As shown in fig. 5 and 6, the centrifugal column 11 comprises a large step part 11-1 and a small step part 11-2; the large step part 11-1 is matched with the sliding groove 13-1, and the large step part 11-1 is close to the circle center of the connecting disc 13. This allows the centrifugal column 11 to slide radially outward better and allows the small step 11-2 of the centrifugal column 11 to push the button of the push switch 3 better.
The switch control mechanism 1 further comprises a bracket 14; the button switch 3 is fixedly connected to the connecting plate 13 through a bracket 14. In this embodiment, the bracket 14 is welded to the connection plate 13, and the push switch 3 is fixedly connected to the bracket 14 by a bolt.
As shown in fig. 3, 4, 7 and 8, when the switch control mechanism is used, the connecting plate 13 of the switch control mechanism 1 is connected between the output flange 50-1 of the gearbox 50 of the vehicle and the transmission shaft flange 51-1 of the rear transmission shaft 51, specifically, 4 transmission shaft bolts 53 of the vehicle firstly pass through the connecting holes of the output flange 50-1, then pass through the connecting holes 13-2 of the connecting plate 13, then pass through the connecting holes of the transmission shaft flange 51-1, and finally nuts are screwed on the transmission shaft bolts 53. Thus, when the output flange 50-1 of the transmission 50 rotates, the connecting disc 13 can be driven to rotate at the same rotating speed. The first conductive slip ring 5 and the second conductive slip ring 6 are fixedly connected to the casing of the transmission 50 through the mounting plate 52. In this embodiment, the mounting plate 52 is fixedly connected to the casing of the transmission 50 by bolts, and the first conductive slip ring 5 and the second conductive slip ring 6 are fixedly connected to the mounting plate 52 by bolts.
The working principle of the invention is as follows: when the vehicle runs at an overspeed, the rotating speed of the output flange 50-1 of the gearbox 50 of the vehicle is very high, and the rotating speed of the connecting disc 13 of the switch control mechanism 1 connected with the output flange 50-1 of the gearbox 50 is also very high, so that the centrifugal column 11 slidably connected in the chute 13-1 of the connecting disc 13 moves outwards in the radial direction under the action of centrifugal force against the spring force of the spring 12, the centrifugal column 11 moves outwards in the radial direction along the chute 13-1 of the connecting disc 13 under the action of centrifugal force and then contacts with the push button switch 3 and pushes the push button of the push button switch 3 to be pressed down, the push button switch 3 is switched on, the terminal K of the electromagnetic valve 4 is electrified, and the execution port A of the electromagnetic valve 4 is communicated. The hydraulic oil in the rodless cavity of the accelerator cylinder 32 flows into the oil tank through the electromagnetic valve 4, and the piston rod 32-1 of the accelerator cylinder 32 drives the accelerator pull rod to move rightwards under the action of the spring so as to cut off the accelerator of the vehicle. The accelerator control device of the vehicle can automatically cut off the accelerator when the vehicle is overspeed, so that when the vehicle is overspeed and a driver continues to step on the accelerator, the speed of the vehicle cannot be increased continuously, and traffic accidents are not easy to happen.
When the vehicle does not run at an overspeed, the rotating speed of the output flange 50-1 of the transmission 50 of the vehicle is slower, the rotating speed of the connecting disc 13 of the switch control mechanism 1 connected with the output flange 50-1 of the transmission 50 is also slower, so that the centrifugal force of the centrifugal column 11 slidably connected in the chute 13-1 of the connecting disc 13 cannot overcome the acting force of the spring 12, the centrifugal column 11 is separated from the button switch 3 under the action of the spring 12, the button switch 3 is disconnected, the terminal K of the electromagnetic valve 4 is de-energized, the oil inlet P of the electromagnetic valve 4 is communicated with the execution port A, when a driver needs to fill an oil door, the driver only needs to depress the accelerator pedal 30-2 of the hydraulic oil door controller 30, and hydraulic oil from the first oil port 30-4-1 of the cylinder body 30-4 enters the rodless cavity of the accelerator oil cylinder 32 through the electromagnetic valve, the piston rod 32-1 of the accelerator cylinder 32 drives the accelerator pull rod to move leftwards stably, so that the vehicle fuel door can be filled.
Claims (3)
1. A working method of a throttle control device of a vehicle comprises a hydraulic throttle controller (30), an oil cup (31) and a throttle cylinder (32); the hydraulic oil door controller (30) comprises a cylinder body (30-4); a first oil port (30-4-1) and a second oil port (30-4-2) are arranged on the cylinder body (30-4); the accelerator oil cylinder (32) comprises a piston rod (32-1); the second oil port (30-4-2) of the cylinder body (30-4) is communicated with the oil cup (31); the mounting position of the oil cup (31) on the vehicle is higher than that of the cylinder body (30-4); a piston rod (32-1) of the accelerator oil cylinder (32) is fixedly connected with an accelerator pull rod of the engine; the method is characterized in that: the device also comprises a switch control mechanism (1), a power supply (2), a button switch (3), an electromagnetic valve (4), a first conductive slip ring (5) and a second conductive slip ring (6); the switch control mechanism (1) comprises a centrifugal column (11), a spring (12) and a connecting disc (13); a sliding groove (13-1) along the radial direction is arranged on the connecting disc (13); the centrifugal column (11) is connected in a sliding groove (13-1) of the connecting disc (13) in a sliding mode, a main body of the spring (12) is located in the sliding groove (13-1), one end of the spring (12) is hooked on the connecting disc (13), and the other end of the spring (12) is hooked on the centrifugal column (11) radially outwards; the button switch (3) is fixedly connected to the connecting disc (13); the centrifugal column (11) is in contact with or separated from the button switch (3); a first oil port (30-4-1) of the cylinder body (30-4) is communicated with an oil inlet P of the electromagnetic valve (4), and an execution port A of the electromagnetic valve (4) is communicated with a rodless cavity of the accelerator oil cylinder (32); the power supply (2), the first conductive slip ring (5), the button switch (3), the second conductive slip ring (6) and a terminal K of the electromagnetic valve (4) are electrically connected in sequence to form a loop; two ends of the button switch (3) are respectively and electrically connected with a rotor of the first conductive slip ring (5) and a rotor of the second conductive slip ring (6); the power supply (2) is electrically connected with a stator of the first conductive slip ring (5); a terminal K of the electromagnetic valve (4) is electrically connected with a stator of a second conductive slip ring (6); when the button switch (3) is switched on, a terminal K of the electromagnetic valve (4) is electrified, and at the moment, an execution opening A of the electromagnetic valve (4) is communicated with the oil tank;
the working method comprises the following steps: the connecting disc of the switch control mechanism is connected between the output flange of the gearbox of the vehicle and the transmission shaft flange of the rear transmission shaft, so when the vehicle runs at an overspeed, the rotating speed of the connecting disc of the switch control mechanism connected with the output flange of the gearbox is very high, the centrifugal column which is connected in the sliding groove of the connecting disc in a sliding way can overcome the spring force of the spring to move outwards in a radial direction under the action of centrifugal force, and pushes the button of the button switch to press down after being contacted with the button switch, at the moment, the button switch is switched on, the terminal K of the electromagnetic valve is electrified, the execution port A of the electromagnetic valve is communicated with the oil tank, hydraulic oil in a rodless cavity of the accelerator oil cylinder flows into the oil tank through the electromagnetic valve, and the piston rod of the accelerator oil.
2. The method of operation of claim 1, wherein: the centrifugal column (11) comprises a large step part (11-1) and a small step part (11-2); the large step part (11-1) is matched with the sliding groove (13-1), and the large step part (11-1) is close to the circle center of the connecting disc (13).
3. The method of operation of claim 1, wherein: the switch control mechanism (1) further comprises a bracket (14); the button switch (3) is fixedly connected to the connecting disc (13) through a bracket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010195.8A CN112810438A (en) | 2018-08-24 | 2018-08-24 | Vehicle accelerator control device and operating method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010195.8A CN112810438A (en) | 2018-08-24 | 2018-08-24 | Vehicle accelerator control device and operating method thereof |
| CN201810976027.2A CN108909450B (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976027.2A Division CN108909450B (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810438A true CN112810438A (en) | 2021-05-18 |
Family
ID=64406609
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976027.2A Active CN108909450B (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
| CN202110010229.3A Withdrawn CN112644275A (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
| CN202110010195.8A Withdrawn CN112810438A (en) | 2018-08-24 | 2018-08-24 | Vehicle accelerator control device and operating method thereof |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976027.2A Active CN108909450B (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
| CN202110010229.3A Withdrawn CN112644275A (en) | 2018-08-24 | 2018-08-24 | Throttle control device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108909450B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135655Y (en) * | 1992-08-04 | 1993-06-09 | 梁守刚 | Accelerator operating mechanism for vehicle crane |
| JPH10272957A (en) * | 1997-03-31 | 1998-10-13 | Isuzu Motors Ltd | Accelerator interlocking device |
| CN204641714U (en) * | 2015-05-12 | 2015-09-16 | 常州科研试制中心有限公司 | Bidirectional steering vehicle fluid pressure type throttle control system |
| CN108248384B (en) * | 2018-01-28 | 2020-10-30 | 嘉兴市大众丝绸印花有限责任公司 | Throttle control device for vehicle |
| CN108068620B (en) * | 2018-03-07 | 2020-09-04 | 台州市黄岩秋园模具有限公司 | Vehicle safety device for preventing mistaken stepping on accelerator |
| CN108730506A (en) * | 2018-08-25 | 2018-11-02 | 袁菊花 | The gear control device of vehicle |
-
2018
- 2018-08-24 CN CN201810976027.2A patent/CN108909450B/en active Active
- 2018-08-24 CN CN202110010229.3A patent/CN112644275A/en not_active Withdrawn
- 2018-08-24 CN CN202110010195.8A patent/CN112810438A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN108909450B (en) | 2020-12-25 |
| CN108909450A (en) | 2018-11-30 |
| CN112644275A (en) | 2021-04-13 |
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Application publication date: 20210518 |
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| WW01 | Invention patent application withdrawn after publication |