CN217917631U

CN217917631U - Speed automatic reducing mechanism for old electric scooter during steering

Info

Publication number: CN217917631U
Application number: CN202222265024.2U
Authority: CN
Inventors: 杨再武
Original assignee: Wuhu Kewei Automobile Co ltd
Current assignee: Wuhu Kewei Automobile Co ltd
Priority date: 2022-08-28
Filing date: 2022-08-28
Publication date: 2022-11-29
Anticipated expiration: 2032-08-28

Abstract

The utility model provides a speed of a motor vehicle automatic reduction mechanism when old electronic car of riding instead of walk turns to, including main frame and wheel, the rear portion of main frame is equipped with the rear axle, the front portion of main frame is equipped with the steering spindle, the bottom of steering spindle has set firmly the steering arm-tie, the anterior threaded connection who turns to the steering arm-tie has the gim peg, and rotatory copper sheathing has been cup jointed in the outside of this gim peg, the front portion of main frame has set firmly the potentiometre, and the trigger end of this potentiometre has set firmly rotatory board of colliding, and the steering spindle is when vehicle central line both sides-10 to +10 scope is outer, and rotatory copper sheathing and rotatory board of colliding take place mechanical contact to trigger potentiometre current output and produce the change, passes through the cooperation of potentiometre and control panel this moment, accomplishes the output adjustment of control panel to the motor, thereby reach the speed reducer of vehicle when turning round, thereby reach the purpose of vehicle speed reduction, solve the problem that the steering stability of current four-wheeled old car of riding instead of walking is not enough and the security of traveling is low.

Description

Automatic speed reducing mechanism for speed of electric scooter for old people during steering

Technical Field

The utility model mainly relates to a reduction gears technical field, concretely relates to speed of a motor vehicle automatic speed reducing mechanism when old electronic car of riding instead of walk turns to.

Background

Nowadays, in various types of vehicles (motor vehicles, non-motor vehicles, etc.), people have higher and higher requirements on safety of driving and operation, and governments and related organizations of various countries continuously require vehicle manufacturers to improve the safety performance level of the vehicles.

The security of old age electric vehicle for riding instead of walk is to the old person, and is vital, because the old person who uses the group of old age vehicle for riding instead of walk is mostly the old person more than 70 years old, and the old person's reaction rate, eyesight, hearing, the harmony of action etc. are all not as good as other group crowds, when driving old person vehicle for riding instead of walk to turn to, if forgotten to take braking measure to the vehicle, the speed of a motor vehicle is too fast, probably because inertia makes accident such as the vehicle turns on one's side, because so, the utility model provides a mechanism increases a set of device in the vehicle, when making the vehicle go to turn to, the speed of a motor vehicle along with turning to radial size, linear change, both turning to the radius the speed of a motor vehicle is big, the linear deceleration of the speed of a motor vehicle is big more, thereby the security of driving obtains promoting.

SUMMERY OF THE UTILITY MODEL

Technical problem solved by utility model

The utility model provides a speed of a motor vehicle automatic reduction mechanism when old electronic car of riding instead of walk turns to solves current four-wheel old car of riding instead of walk and takes place to turn to the time, and the speed of vehicle is slowed down by oneself, and the driver can not need intervene through the braking to improve the security that the vehicle travel.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: the utility model provides a speed of a motor vehicle automatic reduction mechanism when old electronic car of riding instead of walk turns to, includes main frame and wheel, the rear portion of main frame is equipped with the rear axle, the front portion of main frame is equipped with the steering spindle, the bottom of steering spindle has set firmly the steering arm-tie, the anterior threaded connection that turns to the arm-tie has the gim peg, and rotatory copper sheathing has been cup jointed in the outside of this gim peg, the front portion of main frame has set firmly the potentiometre, and the trigger end of this potentiometre has set firmly rotatory board that hits.

Furthermore, the output end of the potentiometer is in communication connection with the input end of the control panel, the control panel is in communication connection with the control end of the motor speed reducer, and the output end of the motor speed reducer is in transmission connection with the middle of the wheel.

The shaft of the potentiometer is in the neutral position when not subjected to the torsion, can rotate 30 degrees clockwise and counterclockwise when subjected to the torsion, and can automatically return to the neutral position when the torsion disappears.

Furthermore, the front left and right sides of the main frame are respectively provided with a double-wishbone suspension, the outer sides of the double-wishbone suspensions are respectively and movably connected with a left steering gear assembly and a right steering gear assembly, the rear part of the main frame is fixedly provided with a rear axle, and the rear axle is fixedly connected with a motor reducer.

The double-wishbone suspension is matched with the frame, so that the transverse rigidity of the device is improved, the side inclination of the frame is reduced during turning, and the running stability of the device is improved.

Furthermore, the outer sides of the left steering gear component and the right steering gear component are movably connected with the middle of the wheel, and the opposite sides of the left steering gear component and the right steering gear component are movably connected with the left side and the right side of the steering pulling plate.

Furthermore, the outer side of the rotary copper sleeve is abutted against the front part of the rotary collision plate.

The rotating copper sleeve and the rotating collision plate are arranged at a certain distance, the rotating copper sleeve and the rotating collision plate are not touched at a certain angle, and the rotating copper sleeve and the rotating collision plate are only touched after the rotating shaft rotates to a certain angle (generally set to be 10 degrees).

Furthermore, the front part of the rotary collision plate is fixedly provided with a butt joint groove, and the middle and the left sides of the rotary collision plate are fixedly provided with guide front edges.

Further, the rotating copper sleeve is matched with the steering shaft to rotate and deflect in the same direction.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model provides a speed automatic reduction gears when old age's electronic car of riding instead of walk turns to, through the device realization turn speed reduction, when taking place to turn to, when the steering spindle was outside the scope of-10 to +10 on both sides of vehicle central line, rotatory copper sheathing took place mechanical contact with rotatory collision plate to trigger potentiometre current output and produce the change, through the cooperation of potentiometre and control panel this moment, accomplish the output adjustment of control panel to the motor reducer, thereby reach the speed reduction of vehicle when turning to reach the purpose of vehicle speed reduction;

the utility model provides an automatic speed reducing mechanism for the electric scooter for old people during steering, which improves the driving stability through the device, improves the transverse rigidity of the device through the matching of a frame, a double-fork-arm suspension, a left steering gear component and a right steering gear component, and improves the driving stability of the device and the lateral support of the steering;

the parts of the device not involved are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a perspective view of the main frame structure of the present invention;

FIG. 2 is a perspective view of the dual wishbone suspension structure of the present invention;

FIG. 3 is a perspective view of the left steering gear assembly of the present invention;

FIG. 4 is a perspective view of the rotary striking plate structure of the present invention;

FIG. 5 is a perspective view of the rotary copper sleeve structure of the present invention;

fig. 6 is a schematic circuit diagram of the structure of the present invention.

Reference numerals

1-a main frame; 1 a-double wishbone suspension; 1 b-a left diverter assembly; 1 c-a right steering gear assembly; 1 d-rear axle; 2-vehicle wheels; 3-a steering shaft; 4-a steering pulling plate; 5-fixing the bolt; 6-rotating the copper sleeve; 7-a potentiometer; 8-rotating the striking plate; 9-a control panel; 10-motor reducer.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but on the contrary are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to the attached drawings 1-6, the utility model provides a speed of a motor vehicle automatic reduction mechanism when old age's electronic car of riding instead of walk turns to, including main frame 1 and wheel 2, the rear portion of main frame 1 is equipped with rear axle 1c, the front portion of main frame 1 is equipped with steering spindle 3, steering spindle 3's bottom has set firmly turns to arm-tie 4, the anterior threaded connection that turns to arm-tie 4 has gim peg 5, rotatory copper sheathing 6 has been cup jointed in the outside of this gim peg 5, the front portion of main frame 1 has set firmly potentiometre 7, the trigger end of this potentiometre 7 has set firmly rotatory board 8 that hits.

In this embodiment, as shown in fig. 1, 4 and 5, the output end of the potentiometer 7 is in communication connection with the input end of the control board 9, the control board 9 is in communication connection with the control end of the motor reducer 10, and the output end of the motor reducer 10 is in transmission connection with the middle part of the wheel 2.

The potentiometer 7 is designed to control the rotation speed of the motor reducer 10 by changing the magnitude of the output current by changing the magnitude of the resistance, and the rotation speed of the motor reducer 10 of DC24V is determined by the magnitude of the current, and is small when the current is small and large when the current is large.

When the potentiometer 7 is at the middle position, corresponding to a corresponding rated speed of the motor reducer 10, when the potentiometer 7 rotates from the middle position to the left side and the right side, the resistance of the potentiometer is increased, the output current is reduced, and the speed of the motor reducer 10 is reduced, so that the turning speed reduction control of the device is realized, when the shaft of the potentiometer 7 rotates from the left side and the right side to the middle position, the resistance of the potentiometer is reduced, the output current is increased, and the speed of the motor reducer 10 is increased.

The shaft of the potentiometer 7 is in the neutral position when not subjected to the torsion, can rotate 30 degrees clockwise and counterclockwise when subjected to the torsion, and can automatically return to the neutral position when the torsion disappears.

In this embodiment, as shown in fig. 2 and 3, the double-wishbone suspensions 1a are respectively disposed on the left and right sides of the front portion of the main frame 1, the outer sides of the two double-wishbone suspensions 1a are respectively and movably connected with the left steering gear assembly 1b and the right steering gear assembly 1d, the rear portion of the main frame 1 is fixedly provided with the rear axle 1c, and the rear axle 1c is fixedly connected with the motor reducer 10.

The double-wishbone suspension 1a is designed and used at the front of the main frame 1, so that the driving and riding experience of the main frame 1 is improved, and the supporting performance and stability of the main frame 1 during running in a curve are improved.

In this embodiment, as shown in fig. 2 and 3, the outer sides of the left steering gear assembly 1b and the right steering gear assembly 1d are both movably connected to the middle of the wheel 2, and the opposite sides of the left steering gear assembly 1b and the right steering gear assembly 1d are both movably connected to the left and right sides of the steering tie plate 4.

Accomplish wheel 2, two fork arm suspensions 1a and turn to being connected of arm-tie 4 through left steering gear subassembly 1b and right steering gear subassembly 1d, design simple structure is reasonable, reduces the use in later stage and maintains degree of difficulty and cost.

In this embodiment, as shown in fig. 5, the outer side of the rotating copper bush 6 abuts against the front portion of the rotating striking plate 8.

The rotary copper bush 6 is arranged below the steering pulling plate 4 and is connected with the rotary copper bush 6 through a fixing bolt, and the rotary copper bush 6 and the rotary fixing bolt are both axially and radially provided with gaps, so that the rotary copper bush 6 can rotate outside the fixing bolt.

In this embodiment, as shown in fig. 1, 4 and 5, the front portion of the rotating striking plate 8 is fixedly provided with a butt-joint groove, and the middle portion of the rotating striking plate 8 towards the left and right sides is fixedly provided with a guide front edge.

When the front butt joint groove of the rotary collision plate 8 is matched with the rotary copper sleeve 6, the potentiometer 7 is positioned at the middle position and does not deflect, and when the steering shaft 3 drives the rotary copper sleeve 6 to steer through the steering pull plate 4 and the fixing bolt 5, the rotary copper sleeve 6 is matched with the guide front edge of the rotary collision plate 8 to drive the potentiometer 7 to deflect.

In the present embodiment, as shown in fig. 1, 4 and 5, the rotating copper bush 6 rotates in cooperation with the steering shaft 3 to deflect in the same direction.

The steering shaft 3 and the steering pulling plate 4 are welded into a whole, the steering column drives the rotary copper bush 6 to rotate through the rotary pulling plate and the fixing bolt 5, the rotary copper bush 6 rotates outside the fixing bolt 5, and abrasion between the rotary copper bush 6 and the rotary collision plate 8 is reduced.

The specific operation flow is as follows:

when the device is in a normal mode, the steering shaft 3 is in the range of minus 10 degrees to plus 10 degrees on both sides of the central line of the vehicle, the rotating copper bush 6 is not in mechanical contact with the rotating collision plate 8, and at the moment, the potentiometer 7 and the rotating collision plate 8 are in an unfired state.

When the vehicle turns, namely the steering shaft 3 is out of the range of minus 10 degrees to plus 10 degrees on both sides of the central line of the vehicle, the rotating copper bush 6 is in mechanical contact with the rotating collision plate 8, so that the current output of the potentiometer 7 is triggered to change, and at the moment, the output adjustment of the control plate 9 on the motor speed reducer 10 is completed through the matching of the potentiometer 7 and the control plate 9, so that the speed reduction of the vehicle during turning is realized.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an old electronic car of riding instead of walk speed automatic speed reduction mechanism when turning to which characterized in that: including main frame (1) and wheel (2), the rear portion of main frame (1) is equipped with rear axle (1 c), the front portion of main frame (1) is equipped with steering spindle (3), the bottom of steering spindle (3) has set firmly and has turned to arm-tie (4), the anterior threaded connection that turns to arm-tie (4) has gim peg (5), and rotatory copper sheathing (6) have been cup jointed in the outside of this gim peg (5), the front portion of main frame (1) has set firmly potentiometre (7), and the trigger end of this potentiometre (7) has set firmly the rotation and has collided board (8).

2. The automatic speed reducing mechanism for the steering time of the electric scooter for the elderly as claimed in claim 1, wherein: the output end of the potentiometer (7) is in communication connection with the input end of the control panel (9), the control panel (9) is in communication connection with the control end of the motor speed reducer (10), and the output end of the motor speed reducer (10) is in transmission connection with the middle of the wheel (2).

3. The automatic speed reducing mechanism for the steering time of the electric scooter for the elderly as claimed in claim 2, wherein: the front left and right sides of the main frame (1) are provided with double-wishbone suspensions (1 a), the outer sides of the double-wishbone suspensions (1 a) are movably connected with a left steering gear assembly (1 b) and a right steering gear assembly (1 d) respectively, the rear portion of the main frame (1) is fixedly provided with a rear axle (1 c), and the rear axle (1 c) is fixedly connected with a motor speed reducer (10).

4. The automatic speed reducing mechanism for the steering time of the electric scooter for the elderly as claimed in claim 3, wherein: the outer sides of the left steering gear component (1 b) and the right steering gear component (1 d) are movably connected with the middle of the wheel (2), and the opposite sides of the left steering gear component (1 b) and the right steering gear component (1 d) are movably connected with the left side and the right side of the steering pulling plate (4).

5. The automatic speed reducing mechanism for the steering vehicle speed of the electric scooter for the elderly as claimed in claim 1, wherein: the outer side of the rotary copper sleeve (6) is abutted against the front part of the rotary collision plate (8).

6. The automatic speed reducing mechanism for the steering vehicle speed of the electric scooter for the elderly as claimed in claim 1, wherein: the front part of the rotary collision plate (8) is fixedly provided with a butt joint groove, and the middle to the left and right sides of the rotary collision plate (8) are fixedly provided with guide front edges.

7. The automatic speed reducing mechanism for the steering vehicle speed of the electric scooter for the elderly as claimed in claim 1, wherein: the rotating copper bush (6) is matched with the steering shaft (3) to rotate and deflect in the same direction.