CN210751264U

CN210751264U - Double-ball-joint front suspension structure of model car

Info

Publication number: CN210751264U
Application number: CN201921539808.1U
Authority: CN
Inventors: 陶冶
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a double-ball-joint front suspension structure of a model car, which comprises a car frame, a steering seat, a swing arm device and a steering engine driving pull rod; the swing arm device comprises a front lower swing arm, a rear lower swing arm and an upper swing arm, wherein one end of the front lower swing arm is connected with the adjacent side of the vehicle head direction side of the vehicle frame through a front universal joint, the other end of the front lower swing arm is connected with one end of the lower side of the steering seat through a first ball joint, one end of the rear lower swing arm is connected with the vehicle frame through a rear universal joint, the other end of the rear lower swing arm is connected with the middle of the lower side of the steering seat through a second ball joint, and one end of the upper swing arm is connected with the middle of the upper side of the. This device establishes two ball joints in the steering seat lower part to link to each other with the frame through two swing arms down respectively, this double ball joint structure when turning to, form a virtual center of turning to in the steering seat lower part, obtain the swizzle inclination that is bigger than single ball joint structure and reduce the swizzle offset, promote the place adaptability and the nature controlled when model plantago hangs and turns to, let the model vehicle change in controlling.

Description

Double-ball-joint front suspension structure of model car

Technical Field

The utility model relates to a model car turns to structure specifically indicates model car double-ball-joint front overhang structure.

Background

The model vehicles are in various types and can be broadly divided into a remote control model vehicle and a car model, wherein the remote control model vehicle has the same suspension system as the car and has the control feeling of super sports cars in real cars, so that the internal structure requirement of the model vehicle is high, and the suspension structure is an important factor for determining whether the model vehicle runs smoothly. The existing various proportion model vehicle front suspension lower swing arms are connected with the steering seat in a single ball joint mode, and the site adaptability and the controllability are poor when the model vehicle front suspension steers.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide model car double-ball-joint front overhang structure.

In order to solve the technical problem, the utility model provides a technical scheme is model car double-ball-joint front overhang structure: comprises a frame, a steering seat, a swing arm device and a steering engine driving pull rod; the swing arm device includes preceding swing arm, back swing arm, goes up the swing arm down, preceding swing arm one end is connected through preceding universal joint with the adjacent side of the locomotive direction side of frame down, preceding swing arm other end is connected through first ball joint with steering seat downside one end down, swing arm one end is connected through back universal joint with the frame down after, the swing arm other end is connected through the second ball joint with steering seat downside middle part down after, it is connected through the third ball joint with steering seat upside middle part to go up swing arm one end.

As an improvement, the upper part of the frame is rotatably connected with a steering shaft, the extending direction of the steering shaft is the same as the extending direction of the frame, and the other end of the upper swing arm is rotatably connected with the steering shaft.

As an improvement, the rear universal joint and the front universal joint are positioned on the same side of the frame, the front universal joint is close to the head end of the frame, and the rear universal joint is close to the rear end of the frame.

As an improvement, one end of a steering engine driving pull rod is connected with one side of a steering seat through a fourth ball joint, and the other end of the steering engine driving pull rod is driven by a steering engine driven by a model car in the direction of the model car.

As an improvement, the center of the steering seat far away from the end of the frame is provided with an axle.

As an improvement, the front lower swing arm is of a straight rod structure, the rear lower swing arm is of a three-level bending rod structure, the upper swing arm is of a three-level bending rod structure, and the extending direction of a part of the connecting end of the front lower swing arm and the steering seat, the extending direction of a part of the connecting end of the rear lower swing arm and the steering seat, and the extending direction of a part of the connecting end of the upper swing arm and the steering seat are parallel, so that smooth conversion of the position of the steering seat relative to the frame is guaranteed.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses two ball joints of steering seat lower part design to link to each other with the frame through two swing arms down respectively, form a double ball joint and turn to the structure. This double-ball-joint structure forms a virtual center of turning to through the geometry activity in the steering seat lower part when turning to obtain more big king pin inclination than single-ball-joint structure and reduce the king pin offset, the steering torque who receives when making the front suspension turn to is littleer, reduces the steering force, promotes place adaptability and the nature controlled when model plantago suspension turns to, thereby lets the model vehicle change in controlling.

Drawings

Fig. 1 is a perspective view 1 of a double-ball-joint front suspension structure of the model car of the present invention.

Fig. 2 is a perspective view 2 of the double-ball-joint front suspension structure of the model car of the present invention.

Fig. 3 is a front view of the double-ball-joint front suspension structure of the model car of the present invention.

Fig. 4 is a top view of the double-ball-joint front suspension structure of the model car of the present invention.

Fig. 5 is a bottom view of the double-ball-joint front suspension structure of the model car of the present invention.

As shown in the figure: 1. the steering mechanism comprises a frame, 2, a steering seat, 3, a steering engine driving pull rod, 4, a front lower swing arm, 5, a rear lower swing arm, 6, an upper swing arm, 7, a front universal joint, 8, a first ball joint, 9, a rear universal joint, 10, a second ball joint, 11, a third ball joint, 12, a steering shaft, 13, a fourth ball joint, 14 and a wheel shaft.

Detailed Description

The double-ball-joint front suspension structure of the model car of the present invention will be further described in detail with reference to the accompanying drawings.

With reference to the attached drawings 1-5, the model car double-ball-joint front suspension structure comprises a car frame 1, a steering seat 2, a swing arm device and a steering engine driving pull rod 3; swing arm device is including preceding swing arm 4, back swing arm 5 down, go up swing arm 6 down, preceding swing arm 4 one end is connected through preceding universal joint 7 with the adjacent side of the locomotive direction side of frame 1 down, preceding swing arm 4 other end is connected through first ball joint 8 with 2 downside one ends of steering seat down, 5 one end of swing arm is connected through back universal joint 9 with frame 1 down in the back, the 5 other ends of swing arm are connected through second ball joint 10 with 2 downside middle parts of steering seat down in the back, it is connected through third ball joint 11 with 2 upside middle parts of steering seat to go up 6 one end of swing arm.

The upper portion of frame 1 rotates and is connected with steering spindle 12, the extending direction of steering spindle 12 is the same with the extending direction of frame 1, go up swing arm 6 other end and steering spindle 12 and rotate and be connected.

The rear universal joint 9 and the front universal joint 7 are located on the same side of the frame 1, the front universal joint 7 is close to the head end of the frame 1, and the rear universal joint 9 is close to the rear end of the frame 1.

One end of the steering engine driving pull rod 3 is connected with one side of the steering seat 2 through a fourth ball joint 13, and the other end of the steering engine driving pull rod 3 is driven by a steering engine of the model car.

The center of the end of the steering seat 2 far away from the frame 1 is provided with a wheel shaft 14.

Preceding lower swing arm 4 is the straight-bar structure, back lower swing arm 5 is the tertiary pole structure of buckling, go up swing arm 6 is the tertiary pole structure of buckling, preceding lower swing arm 4 is parallel with the extending direction who turns to a part of 2 links of seat, the extending direction of back lower swing arm 5 and a part of 2 links of turning to the seat, the extending direction of going up swing arm 6 and a part of 2 links of turning to the seat to guarantee to turn to the smooth conversion of seat 2 relative frame 1 position.

The utility model discloses when concrete implementation, the direction drive steering wheel drive of model car turns to steering wheel drive pull rod 3 towards one side motion to the drive turns to seat 2 and rotates, drives 14 turning directions of wheel axle, and the epaxial model wheel of installing of wheel, thereby makes the change of model wheel direction of motion, accomplishes the vehicle and turns to the action.

The utility model discloses two ball joints of steering seat lower part design to link to each other with the frame through two swing arms down respectively, form a double ball joint and turn to the structure. This double-ball-joint structure forms a virtual center of turning to through the geometry activity in the steering seat lower part when turning to obtain more big king pin inclination than single-ball-joint structure and reduce the king pin offset, the steering torque who receives when making the front suspension turn to is littleer, reduces the steering force, promotes place adaptability and the nature controlled when model plantago suspension turns to, thereby lets the model vehicle change in controlling.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. Model car double-ball-joint front overhang structure, its characterized in that: comprises a frame (1), a steering seat (2), a swing arm device and a steering engine driving pull rod (3);

swing arm device is including preceding swing arm (4), rear lower swing arm (5), go up swing arm (6) down, preceding swing arm (4) one end is connected through preceding universal joint (7) with the adjacent side of the locomotive direction side of frame (1) down, preceding swing arm (4) other end is connected through first ball joint (8) with steering seat (2) downside one end down, rear lower swing arm (5) one end is connected through back universal joint (9) with frame (1), rear lower swing arm (5) other end is connected through second ball joint (10) with steering seat (2) downside middle part, it is connected through third ball joint (11) with steering seat (2) upside middle part to go up swing arm (6) one end.

2. The model car two-ball joint front suspension structure according to claim 1, characterized in that: the upper portion of frame (1) rotates and is connected with steering spindle (12), the extending direction of steering spindle (12) is the same with the extending direction of frame (1), go up swing arm (6) other end and steering spindle (12) and rotate and be connected.

3. The model car two-ball joint front suspension structure according to claim 1, characterized in that: the rear universal joint (9) and the front universal joint (7) are located on the same side of the frame (1), the front universal joint (7) is close to the end of the frame (1), and the rear universal joint (9) is close to the rear end of the frame (1).

4. The model car two-ball joint front suspension structure according to claim 1, characterized in that: one end of a steering engine driving pull rod (3) is connected with one side of the steering seat (2) through a fourth ball joint (13), and the other end of the steering engine driving pull rod (3) is driven by a steering engine of the model car.

5. The model car two-ball joint front suspension structure according to claim 1, characterized in that: and a wheel shaft (14) is arranged in the center of the end, far away from the frame (1), of the steering seat (2).

6. The model car two-ball joint front suspension structure according to claim 1, characterized in that: preceding swing arm (4) are the straight-bar structure down, back swing arm (5) are the tertiary pole structure of buckling down, it is the tertiary pole structure of buckling to go up swing arm (6), preceding swing arm (4) down with turn to the extending direction of a part of seat (2) link, back swing arm (5) down with turn to the extending direction of a part of seat (2) link, go up swing arm (6) and turn to the extending direction of a part of seat (2) link parallel to guarantee to turn to the smooth conversion of seat (2) relative frame (1) position.