CN216418295U - Model car suspension system and model car - Google Patents

Abstract

The application discloses model car suspension and model car belongs to model car technical field. The model car suspension system of the present application, includes: the fixed frame is used for being fixedly connected with the vehicle body; the steering knuckle assembly is arranged on the rear side of the fixing frame in the length direction of the vehicle body and is connected with the steering pull rod through a ball head; the swing arm assembly is respectively and rotatably connected with the fixed frame and the steering knuckle assembly, and the swing arm assembly can enable the steering knuckle assembly to swing along an arc track on a vertical surface; and the damping assembly is connected with the fixing frame and the swing arm assembly. The utility model provides a model car suspension, its wheel can make the knuckle subassembly along the swing of pitch arc orbit on the vertical face when passing through pothole or rolling protruding form barrier to the power on the horizontal direction that the wheel received is dissolved, thereby improves suspension's stability and reliability.

Description

Model car suspension system and model car

Technical Field

The application relates to the technical field of model vehicles, in particular to a model vehicle suspension system and a model vehicle.

Background

In the relevant technical field of model car, the chassis suspension of vehicle is generally simpler, only rotate through single swing arm between frame and wheel and be connected, and, the length direction of the length direction perpendicular to automobile body of swing arm, so set up, simultaneously, be connected with coil spring between frame and swing arm simply, though can make the wheel can be relative frame reciprocal swing in the vertical direction, reach certain shock attenuation effect, but when the wheel met pot hole or protruding barrier, the impact force that the wheel received on the horizontal direction can not be eliminated by suspension, thereby make the swing arm receive comparatively direct impact force on the horizontal direction, finally probably lead to suspension impaired.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving one of the technical problems in the prior art. For this reason, this application provides a model car suspension, and its wheel can make the knuckle subassembly along the swing of pitch arc orbit on vertical face when crossing pothole or rolling protruding form barrier to the power in the horizontal direction that the wheel received is solved, thereby improves suspension's stability and reliability. The application also provides a model car.

A model vehicle suspension system according to an embodiment of the first aspect of the present application, comprising:

the fixed frame is used for being fixedly connected with the vehicle body;

the steering knuckle assembly is arranged on the rear side of the fixing frame in the length direction of the vehicle body and is connected with a steering pull rod through a ball head;

the swing arm assembly is respectively connected with the fixed frame and the steering knuckle assembly in a rotating mode and can enable the steering knuckle assembly to swing along an arc track on a vertical plane;

and the shock absorption assembly is connected with the fixed frame and the swing arm assembly.

According to the model car suspension system of this application embodiment, have following beneficial effect at least:

the knuckle subassembly sets up in the rear side of mount on the length direction of automobile body, and, be connected with the swing arm subassembly between knuckle subassembly and mount, so set up, the swing arm subassembly can allow the knuckle subassembly to swing along pitch arc orbit on vertical face, when the wheel passes through pothole or rolls protruding form barrier, receive the ascending power of vertical direction and horizontal direction at the wheel, the direction of resultant force that the knuckle subassembly received is the slant upwards, the knuckle subassembly swings along pitch arc orbit on vertical face, thereby make suspension can better deal with various road surface circumstances, suspension is difficult impaired, and, suspension's reliability is better.

According to some embodiments of the application, the swing arm assembly is arranged in parallel to a middle axial plane of the vehicle body, or an included angle between the extending direction of the swing arm assembly and the middle axial plane of the vehicle body is an acute angle.

According to some embodiments of the present application, the swing arm assembly includes an upper swing arm and a lower swing arm, the upper swing arm and the lower swing arm being disposed side by side in a vertical direction.

According to some embodiments of the present application, the steering knuckle assembly comprises a first rotating member and a second rotating member; the first rotating piece is connected with the steering pull rod; the second rotating part is rotatably arranged on the first rotating part and is rotatably connected with the swing arm assembly.

According to some embodiments of this application, the swing arm subassembly all includes first rotation connecting portion, second rotation connecting portion and extension, the extension is connected first rotation connecting portion with the second rotates connecting portion, first rotation connecting portion with the mount is connected, second rotation portion with the second rotates the piece and connects, the axis of rotation of first rotation connecting portion with the axis of rotation of second rotation connecting portion parallels.

According to some embodiments of the application, a limiting device is arranged on the fixed frame and used for limiting the swing amplitude of the swing arm assembly.

According to some embodiments of the application, the limiting device comprises a limiting portion, the limiting portion is in a circular truncated cone shape, and a top portion of the circular truncated cone shape on the limiting portion is arranged towards the steering knuckle assembly.

According to some embodiments of the application, a reset device is arranged at the rotary connection position of the fixed frame and the swing arm assembly, and the reset device is used for resetting the swing arm assembly.

According to some embodiments of the application, the resetting means is a torsion spring, one end of the torsion spring is connected with the fixing frame, and the other end of the torsion spring is connected with the swing arm assembly.

A model car according to an embodiment of the second aspect of the present application, comprising a model car suspension system as described above

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a model vehicle suspension system according to an embodiment of the present application.

Fig. 2 is a perspective view of a model vehicle suspension system according to an embodiment of the present application.

Fig. 3 is a side view of a model vehicle suspension system in one state according to an embodiment of the present application.

Fig. 4 is a side view of a model vehicle suspension system in another state according to an embodiment of the present application.

FIG. 5 is a perspective view of a steering knuckle assembly according to one embodiment of the present application.

FIG. 6 is a perspective view of an embodiment of the present application showing the position relationship of the shock absorbing assembly.

Fig. 7 is a perspective view showing a positional relationship of a position limiting device in an embodiment of the present application.

Fig. 8 is an enlarged view of a portion a in fig. 1.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, left, right, front, rear, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

A model vehicle suspension system according to an embodiment of the first aspect of the present application is described below with reference to fig. 1 to 8.

With reference to fig. 1 and 2, the model vehicle suspension system of the present application comprises:

the fixing frame 100, the fixing frame 100 is used for fixedly connecting with the vehicle body;

the knuckle assembly 200 is arranged on the rear side of the fixing frame 100 in the length direction of the vehicle body, and the knuckle assembly 200 is connected with the steering pull rod 300 through a ball head;

the swing arm assembly 400 is rotatably connected with the fixed frame 100 and the steering knuckle assembly 200 respectively, and the swing arm assembly 400 can enable the steering knuckle assembly 200 to swing along an arc track on a vertical plane;

and a shock absorbing assembly 500, wherein the shock absorbing assembly 500 is connected with the fixed frame 100 and the swing arm assembly 400.

It can be understood that the fixed frame 100 is fixedly connected with the vehicle body, the left and right ends of the fixed frame 100 are respectively provided with a swing arm mounting position, and one end of the swing arm assembly 400 is rotatably connected to the mounting positions.

It can be understood that, the knuckle assembly 200 is arranged at the rear side of the fixing frame 100 in the length direction of the vehicle body, so that the knuckle assembly 200 and the fixing frame 100 can be arranged in a staggered manner, so that a containing space is formed between the knuckle assemblies 200 at the left and right sides, so that other chassis parts such as a gearbox or a transfer case can be arranged in the containing space between the knuckle assemblies 200 at the left and right sides, when a transmission shaft is connected between the gearbox or the transfer case and the wheels, the transmission shaft can be positioned on a connecting line of the left and right two knuckle assemblies 200, so as to reduce an included angle between the transmission shaft and the gearbox/transfer case and the wheels, thereby saving space occupation, and enabling the model vehicle to simulate the structure layout of a real vehicle and also save occupation of parts on the space on the model vehicle chassis.

Meanwhile, the swing arm assembly 400 is respectively rotatably connected with the fixed frame 100 and the knuckle assembly 200, and in combination with the knuckle assembly 200 arranged at the rear side of the fixed frame 100 in the length direction of the vehicle body, the swing arm assembly 400 can enable the knuckle assembly 200 to swing along an arc track on a vertical plane. Specifically, when the wheel passes through a pothole or rolls over a convex obstacle, the component force of the wheel is a vertically upward force and a horizontally backward force in the advancing direction of the wheel, so that the resultant force direction of the wheel is obliquely upward, and the fixing frame 100, the steering knuckle assembly 200 and the swing arm assembly 400 are arranged in such a way that the steering knuckle assembly 200 can swing along an arc track on a vertical surface.

Further, the knuckle assembly 200 is connected with the steering linkage 300 through a ball head, so that when the knuckle assembly 200 swings up and down relative to a vehicle body, the steering linkage 300 can still smoothly pull the knuckle to rotate left and right, and the dynamic state of a real vehicle chassis component is simulated.

Referring to fig. 1 to 4, in some embodiments of the present application, the swing arm assembly 400 is disposed parallel to a central axis plane of the vehicle body, or an angle between an extending direction of the swing arm assembly 400 and the central axis plane of the vehicle body is an acute angle.

It can be understood that the included angle between the extending direction of the swing arm assembly 400 and the central axis plane of the vehicle body is an acute angle, and the arrangement enables the knuckle assembly 200 to rotate left and right without interfering with the movement of the swing arm assembly 400, so that the swing arm assembly 400 can simulate the chassis dynamics of a real vehicle while the smoothness of the rotation of the knuckle assembly 200 is ensured, and further the operation pleasure of the model vehicle is increased.

Referring to fig. 1 to 4, in some embodiments of the present application, a swing arm assembly 400 includes an upper swing arm 400a and a lower swing arm 400b, the upper swing arm 400a and the lower swing arm 400b being disposed side by side in a vertical direction.

It will be appreciated that the arrangement of the swing arm assembly 400 is such that the up and down swing of the knuckle assembly 200 is more stable. Specifically, the upper swing arm 400a and the lower swing arm 400b are disposed side by side on the same vertical plane.

Further, one end of the shock absorbing assembly 500 is rotatably connected with the fixing frame 100, the other end of the shock absorbing assembly 500 is rotatably connected with the upper swing arm 400a or the lower swing arm 400b, and when the swing arm assembly 400 drives the knuckle assembly 200 to swing up and down, the shock absorbing assembly 500 is compressed or stretched along with the swing of the swing arm assembly 400, so that the shock absorbing function is realized. Specifically, the damper assembly 500 may be a damper spring, and may also be a damper cylinder. Further, when the shock absorbing assembly 500 connects the fixing frame 100 and the lower swing arm 400b, a connecting seat 440 is formed on the lower swing arm 400b, the connecting seat 440 may be in the form of an extension rod, and the connecting seat 440 extends from the lower swing arm 400b toward the inner side of the vehicle body; simultaneously, when damper assembly 500 is the setting form of damper cylinder, the damper cylinder lower extreme rotates with connecting seat 440 to be connected, and the damper cylinder upper end rotates with mount 100 to be connected, so set up for swing arm 400b is when the luffing motion down, and the damper cylinder can smoothly stretch or compress, thereby realizes better shock attenuation effect. It should be understood that the shock-absorbing cylinder can also connect the upper swing arm 400a and the fixing frame 100, and the specific arrangement manner is the same as the above-mentioned manner, which is not described herein again.

Referring to fig. 5, in some embodiments of the present application, the steering knuckle assembly 200 includes a first rotating member 210 and a second rotating member 220; the first rotating member 210 is connected to the steering link 300; the second rotating member 220 is rotatably disposed on the first rotating member 210 and rotatably connected to the swing arm assembly 400.

It can be understood that the second rotating member 220 is rotatably disposed on the first rotating member 210, and the second rotating member 220 is vertically disposed with respect to the rotation axis of the first rotating member 210, so that the first rotating member 210 can rotate left and right with respect to the second rotating member 220, and when the steering link 300 pulls the first rotating member 210 to rotate left and right, the first rotating member 210 can rotate left and right with respect to the second rotating member 220; meanwhile, the second rotating member 220 is rotatably connected to the swing arm assembly 400, so that the first rotating member 210 moves up and down along with the second rotating member 220 during the up-and-down swing of the second rotating member 220. The knuckle assembly 200 is arranged in such a way, the movement of the knuckle assembly 200 can be simplified, and the movement interference between the swing arm assembly 400 and the knuckle assembly 200 is avoided on the premise of guaranteeing high-degree simulation, so that the movement smoothness of all parts is improved.

Meanwhile, it should be understood that the second rotating member 220 is U-shaped, and further, the U-shaped bottom of the second rotating member 220 is bent toward the inner side of the vehicle body, so that when the first rotating member 210 rotates left and right relative to the second rotating member 220, the first rotating member 210 does not collide with the second rotating member 220, thereby facilitating the increase of the rotation angle of the first rotating member 210, and reducing the turning radius of the model vehicle.

In addition, the second rotating part 220 is U-shaped, so that a space for accommodating a half shaft to pass through can be formed on the knuckle assembly 200, and a front wheel of the model car can also be used as a driving wheel, so that the model car can be set to be a front-wheel drive or four-wheel drive driving mode, which is beneficial to improving the simulation and increasing the operation pleasure.

Referring to fig. 7, in some embodiments of the present application, the swing arm assembly 400 includes a first rotation connection portion 410, a second rotation connection portion 420, and an extension portion 430, the extension portion 430 connects the first rotation connection portion 410 and the second rotation connection portion 420, the first rotation connection portion 410 is rotatably connected with the fixed frame 100, the second rotation portion is rotatably connected with the second rotation member 220, and a rotation axis of the first rotation connection portion 410 is parallel to a rotation axis of the second rotation connection portion 420.

It will be appreciated that the swing arm assembly 400 is configured such that the swing arm assembly 400 is simple in construction and convenient to assemble.

Referring to fig. 3 and 4 and 7, in some embodiments of the present application, a limiting device 110 is disposed on the fixed frame 100, and the limiting device 110 is used for limiting the swing amplitude of the swing arm assembly 400.

It can be understood that, a limiting device 110 is provided, the limiting device 110 is provided on the fixing frame 100 and located between the upper swing arm 400a and the lower swing arm 400b, when the swing amplitude of the upper swing arm 400a or the lower swing arm 400b is large, the extending portion 430 of the upper swing arm 400a or the lower swing arm 400b abuts against the limiting device 110, so as to limit the swing amplitude of the upper swing arm 400a or the lower swing arm 400b, and avoid the situation that the shock absorbing assembly 500 is excessively stretched or compressed due to the excessively large swing amplitude of the swing arm assembly 400, which leads to the damage of the shock absorbing assembly 500.

Referring to fig. 3, 4 and 7, in some embodiments of the present application, the limiting device 110 includes a limiting portion 111, the limiting portion 111 is truncated cone-shaped, and a top of the truncated cone-shaped on the limiting portion 111 is disposed toward the knuckle assembly 200.

It can be understood that the limiting device 110 is disposed between the upper swing arm 400a and the lower swing arm 400b, the limiting device 110 is disposed by a truncated cone-shaped limiting portion 111, and the top of the truncated cone-shaped limiting portion 111 is disposed toward the knuckle assembly 200, and is disposed such that the circumferential sidewall of the truncated cone-shaped limiting portion 111 is located between the upper swing arm 400a and the lower swing arm 400 b; further, the circumferential side wall of the stopper portion 111 has a certain inclination angle, and specifically, when the upper swing arm 400a or the lower swing arm 400b swings until the extending portion 430 is parallel to the upper circumferential side wall of the stopper portion 111, the extending portion 430 of the upper swing arm 400a or the lower swing arm 400b abuts against the circumferential side wall of the stopper portion 111. So set up, when last swing arm 400a or lower swing arm 400b swing range was too big, go up swing arm 400a or lower swing arm 400b and spacing portion 111's circumference lateral wall butt to the swing of swing arm 400a or lower swing arm 400b is gone up in the restriction, and then effectively prevent that the too big condition that leads to damper assembly 500 overstretching or compression of swing range of swing arm subassembly 400 from appearing.

Referring to fig. 1, 7 and 8, in some embodiments of the present application, a reset device 120 is disposed at a rotational connection between the fixed frame 100 and the swing arm assembly 400, and the reset device 120 is used for resetting the swing arm assembly 400.

It can be understood that, when the model car passes through some potholes, in order to rapidly restore the swing arm assembly 400 after being compressed or stretched and reduce the bounce of the model car so as to improve the stability of the model car during running, the restoring device 120 is arranged at the connection part of the upper swing arm 400a or the lower swing arm 400b and the fixed frame 100, so that the upper swing arm 400a or the lower swing arm 400b can be rapidly pulled back and restored after swinging.

Referring to fig. 1, 7 and 8, in some embodiments of the present application, the return device 120 is a torsion spring having one end connected to the fixed frame 100 and the other end connected to the swing arm assembly 400.

It is understood that the resetting device 120 may be disposed at the rotational connection between the upper swing arm 400a and the fixing frame 100, or at the rotational connection between the lower swing arm 400b and the fixing frame 100, or at both the rotational connection between the upper swing arm 400a and the fixing frame 100, or at the rotational connection between the lower swing arm 400b and the fixing frame 100. The reset device 120 is a torsion spring, and when the upper swing arm 400a or the lower swing arm 400b swings relative to the fixed frame 100, the torsion spring can rapidly drive the upper swing arm 400a or the lower swing arm 400b to reset rapidly after being twisted, so that the occurrence of bouncing of the model car in the driving process is reduced, and the driving stability of the model car is improved.

A model car according to an embodiment of the second aspect of the present application comprises the model car suspension system described above.

It can be understood that the suspension system is arranged on the model car, so that the model car can deal with different road conditions, and the damage to the suspension system is small; meanwhile, the model car also has higher simulation performance, so that the operation pleasure of the model car is improved.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims (10)

1. A model vehicle suspension system, comprising:

the fixed frame is used for being fixedly connected with the vehicle body;

the steering knuckle assembly is arranged on the rear side of the fixing frame in the length direction of the vehicle body and is connected with a steering pull rod through a ball head;

the swing arm assembly is respectively connected with the fixed frame and the steering knuckle assembly in a rotating mode and can enable the steering knuckle assembly to swing along an arc track on a vertical plane;

and the shock absorption assembly is connected with the fixed frame and the swing arm assembly.

2. The model vehicle suspension system of claim 1, wherein: the swing arm assembly is arranged in parallel to the middle axial plane of the vehicle body, or an included angle between the extending direction of the swing arm assembly and the middle axial plane of the vehicle body is an acute angle.

3. The model car suspension system of claim 1, wherein: the swing arm assembly comprises an upper swing arm and a lower swing arm, and the upper swing arm and the lower swing arm are arranged side by side in the vertical direction.

4. The model vehicle suspension system of claim 1, wherein: the steering knuckle assembly comprises a first rotating piece and a second rotating piece; the first rotating piece is connected with the steering pull rod; the second rotating part is rotatably arranged on the first rotating part and is rotatably connected with the swing arm assembly.

5. The model vehicle suspension system of claim 4, wherein: the swing arm assembly comprises a first rotating connecting portion, a second rotating connecting portion and an extending portion, the extending portion is connected with the first rotating connecting portion and the second rotating connecting portion, the first rotating connecting portion is connected with the fixing frame in a rotating mode, the second rotating connecting portion is connected with the second rotating portion in a rotating mode, and the rotating axis of the first rotating connecting portion is parallel to the rotating axis of the second rotating connecting portion.

6. The model vehicle suspension system of claim 1, wherein: and the fixed frame is provided with a limiting device, and the limiting device is used for limiting the swing amplitude of the swing arm assembly.

7. The model vehicle suspension system of claim 6, wherein: the limiting device comprises a limiting part, the limiting part is in a circular truncated cone shape, and the top of the circular truncated cone shape on the limiting part faces the steering knuckle assembly.

8. The model vehicle suspension system of claim 1, wherein: and a reset device is arranged at the rotating connection part of the fixed frame and the swing arm component, and the reset device is used for resetting the swing arm component.

9. The model vehicle suspension system of claim 8, wherein: the resetting device is a torsion spring, one end of the torsion spring is connected with the fixing frame, and the other end of the torsion spring is connected with the swing arm component.

10. A model car characterized in that: model vehicle suspension system comprising any of the above claims 1 to 9.

Images