CN210309798U

CN210309798U - Compact type driving wheel suspension

Info

Publication number: CN210309798U
Application number: CN201921402475.8U
Authority: CN
Inventors: 陈晖�; 李瑞峰; 梁凤顺; 梁培栋; 郭斌质; 陈灵杰; 吴洪; 王志斌; 陈俊宏; 周嚞; 阮慕炜
Original assignee: Fujian Quanzhou HIT Research Institute of Engineering and Technology
Current assignee: Fujian Quanzhou HIT Research Institute of Engineering and Technology
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-14
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a compact drive wheel suspension relates to automobile parts technical field, including the knuckle, go up control arm and control arm down. The outer side ends of the upper control arm and the lower control arm are respectively arranged at the upper end and the lower end of the steering knuckle through spherical hinges; the inner side ends of the upper control arm and the lower control arm are hinged to the frame; the steering knuckle further comprises shock absorbers symmetrically arranged on the left side and the right side of the steering knuckle, one end of each shock absorber is hinged to the end portion of the inner side of the upper control arm, and the other end of each shock absorber is hinged to the end portion of the outer side of the lower control arm. The beneficial effects of the utility model reside in that: the utility model discloses to current two xarm suspension structures carry out the optimal design, the structural arrangement after the improvement is compact, and occupation space is little, and connects two shock absorbers between the upper and lower control arm, has effectively guaranteed the stability of suspension simultaneously improving suspension system's bearing capacity, applicable in the outdoor special vehicle of compact.

Description

Compact type driving wheel suspension

Technical Field

The utility model belongs to the technical field of the automobile parts technique and specifically relates to a compact drive wheel suspension.

Background

The suspension with the cross arm is an independent suspension with wheels swinging in the transverse plane of an automobile, the suspension with the double cross arms is a suspension system with the two cross arms, and the shock absorbers of the suspension with the double cross arms do not have transverse load, and the height of the upper end of the suspension is lower, so that the height of a head of the automobile is reduced, the shape of the automobile body is improved, the suspension with the cross arm has good operation stability and comfort, is a high-grade suspension, and is widely applied to automobile equipment. The double-wishbone suspension realizes the up-and-down jumping of the ground wheels through the simultaneous swinging of the upper control arm and the lower control arm, has the advantages of stable running, small camber angle fluctuation and the like, and is particularly suitable for outdoor vehicle equipment.

However, the traditional double-wishbone suspension has the biggest defect of large occupied space, and the compact outdoor special vehicle has high requirements on running stability and space utilization, so that the existing double-wishbone suspension cannot meet the design requirements of the compact outdoor special vehicle.

Therefore, the compact driving wheel suspension is provided by optimizing and improving the traditional double-wishbone suspension.

Disclosure of Invention

The utility model provides a compact drive wheel suspension, it is big that its main aim at solves current double cross arm suspension occupation space, can't satisfy the problem such as design demand of the outdoor special vehicle of compact.

The utility model adopts the following technical scheme:

a compact type driving wheel suspension comprises a steering knuckle, an upper control arm and a lower control arm, wherein the outer side ends of the upper control arm and the lower control arm are respectively arranged at the upper end and the lower end of the steering knuckle through spherical hinges; the inner side ends of the upper control arm and the lower control arm are hinged to the frame; the steering knuckle further comprises shock absorbers symmetrically arranged on the left side and the right side of the steering knuckle, one end of each shock absorber is hinged to the end portion of the inner side of the upper control arm, and the other end of each shock absorber is hinged to the end portion of the outer side of the lower control arm.

Furthermore, the compact type driving wheel suspension also comprises two first fixed brackets fixedly arranged on the frame; the upper control arm is V-shaped with an inward opening, and two ends of the inner side of the upper control arm are rotatably arranged on the first fixing support through the first rotating shaft.

Furthermore, the compact type driving wheel suspension also comprises two second fixed brackets fixedly arranged on the frame; the lower control arm is shaped like a pi with an inward opening, and two ends of the inner side of the lower control arm are rotatably arranged on the second fixed support through the second rotating shaft.

Furthermore, the left side wall and the right side wall of the outer side of the lower control arm are symmetrically provided with a mounting seat, one end of the shock absorber is hinged to the mounting seat, and the other end of the shock absorber is hinged to the first fixing support.

Further, the first fixing bracket comprises a rectangular frame body, an installation part for installing the first rotating shaft is arranged on the left side of the rectangular frame body, and a connecting seat for hinging the shock absorber is arranged on the front end face of the rectangular frame body.

Furthermore, the two ends of the inner side of the upper control arm are both provided with a first sleeve for installing a first rotating shaft, and the two ends of the inner side of the lower control arm are both provided with a second sleeve for installing a second rotating shaft; and a circle of rubber bushing is arranged between the first sleeve and the first rotating shaft and between the second sleeve and the second rotating shaft.

Further, the ball joint comprises a ball pin and a ball seat which are connected with each other; the upper end and the lower end of the steering knuckle are adjustably provided with the ball head pin; the outer ends of the upper control arm and the lower control arm are both adjustably provided with a screw, and the outer end part of the screw is fixedly provided with the ball seat.

Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:

1. the utility model discloses to current two xarm suspension structures carry out the optimal design, the structural arrangement after the improvement is compact, and occupation space is little, and connects two shock absorbers between the upper and lower control arm, has effectively guaranteed the stability of suspension simultaneously improving suspension system's bearing capacity, applicable in the outdoor special vehicle of compact.

2. The utility model discloses in, go up the control arm and adopt V-arrangement arm structure, lower control arm adopts pi shape arm structure to the medial extremity of controlling arm from top to bottom articulates in the frame, and the outside end passes through the ball pivot with the knuckle and is connected, forms the double wishbone suspension structure of rectangle under the triangle-shaped, has structural design ingenious, the fluctuation of camber angle is little, the stability of traveling is high and advantage such as lightweight level.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the upper control arm of the present invention.

Fig. 3 is a schematic structural view of the lower control arm of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.

Referring to fig. 1, 2 and 3, a compact driving wheel suspension includes a knuckle 300, an upper control arm 100, a lower control arm 200 and a shock absorber 400, wherein outer ends of the upper control arm 100 and the lower control arm 200 are respectively disposed at upper and lower ends of the knuckle 300 through ball joints; the inner side ends of the upper control arm 100 and the lower control arm 200 are hinged to the frame; the left and right sides of the knuckle 300 are symmetrically provided with the dampers 400, and one end of the damper 400 is hinged to the inner side end of the upper control arm 100 and the other end is hinged to the outer side end of the lower control arm 200. Therefore, the utility model discloses carry out the optimal design to current double wishbone suspension structure, the structural arrangement after the improvement is compact, and occupation space is little, and connects two shock absorbers between the upper and lower control arm, has effectively guaranteed the stability of suspension simultaneously improving suspension system's bearing capacity, applicable in the outdoor special vehicle of compact.

Referring to fig. 1, 2 and 3, in particular, the vehicle further includes two first fixing brackets 500 and two second fixing brackets 600 fixed on the vehicle frame; the upper control arm 100 is in a V shape with an inward opening, and both inner ends of the upper control arm 100 are rotatably disposed on the first fixing bracket 500 through a first rotating shaft (not shown), the lower control arm 200 is in a pi shape with an inward opening, and both inner ends of the lower control arm 200 are rotatably disposed on the second fixing bracket 600 through a second rotating shaft (not shown). Therefore, the suspension forms a double-wishbone suspension structure with a triangular upper part and a rectangular lower part, and has the advantages of ingenious structural design, small camber angle fluctuation, high driving stability, light weight, high level and the like.

Referring to fig. 1, 2 and 3, more specifically, the inner two ends of the upper control arm 100 are respectively provided with a first sleeve 110 for mounting a first rotating shaft, the inner two ends of the lower control arm 200 are respectively provided with a second sleeve 210 for mounting a second rotating shaft, and a ring of rubber bushings (not shown) are respectively arranged between the first sleeve 110 and the first rotating shaft and between the second sleeve 210 and the second rotating shaft. The upper control arm and the lower control arm simultaneously jump up and down around the rubber bushing in the driving process of the vehicle, and the rubber bushing can absorb transverse and longitudinal deformation under the impact condition, so that the effect of buffering and damping is achieved, and the driving stability of the suspension is ensured.

Referring to fig. 1, 2 and 3, in particular, a ball joint 310 includes a ball stud 311 and a ball seat 312 connected to each other; the upper end and the lower end of the steering knuckle 300 are adjustably provided with ball pins 311; the outer ends of the upper control arm 100 and the lower control arm 200 are adjustably provided with a screw 313, and the outer end of the screw 313 is fixedly provided with a ball seat 312. The outer ends of the upper control arm 100 and the lower control arm 200 are respectively provided with a first screw hole 120 and a second screw hole 230, and the upper end and the lower end of the knuckle 300 are both provided with a connecting portion 320. One end of the ball pin 311 is inserted into the mounting hole of the connecting part 320, and the ball at the other end is arranged in the ball seat 312; one end of the screw 313 is fixedly provided with a ball seat 312, and the other end is screwed into the first screw hole 120 or the second screw hole 230, so that the adjustable connection between the knuckle 300 and the upper and lower control arms is realized, and the camber angle of the suspension is convenient to adjust. The knuckle 300 adopts a concave design, so that a transmission mechanism fixed on the knuckle 300 is closer to the inner side of a frame, the wheel track is reduced, and the occupied space of a suspension is reduced. Preferably, the upper control arm 100 is connected to the steering knuckle 300 through one spherical hinge 310, and the lower control arm 200 is connected to the steering knuckle 300 through two spherical hinges 310, so that the three spherical hinges form a triangular arrangement, which is beneficial to enhancing the stability of the structure and ensuring the running stability.

Referring to fig. 1, 2 and 3, in particular, the left and right sidewalls of the outer side of the lower control arm 200 are symmetrically provided with a mounting seat 220, and one end of the shock absorber 400 is hinged to the mounting seat 220 and the other end is hinged to the first fixing bracket 500. The two shock absorbers 400 are arranged between the upper control arm and the lower control arm, have enough bearing capacity, and can effectively absorb the input impact transmitted by the ground and reduce the side-tipping fluctuation of the vehicle body.

Referring to fig. 1, 2 and 3, more specifically, the first fixing bracket 500 includes a rectangular frame 510, and the left side of the rectangular frame 510 is provided with a mounting portion 520 for mounting the first rotation shaft, and the front end surface of the rectangular frame 510 is provided with a connecting seat 530 for hinging the shock absorber 400. The strength and accuracy of the installation can be further improved by designing the first fixing bracket 500 to which the upper control arm 100 and the shock absorber 400 can be simultaneously installed. In addition, by providing a rectangular frame, the mounting of the control arm and the damper at different heights can be achieved, thereby reducing the effect of the damper 400 on camber and kingpin offset.

Referring to fig. 1, 2 and 3, more particularly, the second fixing bracket 600 includes a v-shaped bracket having an outward opening and 21274; and the second rotating shaft is rotatably installed in the v-shaped bracket.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A compact drive wheel suspension comprising a knuckle, an upper control arm and a lower control arm, characterized in that: the outer side ends of the upper control arm and the lower control arm are respectively arranged at the upper end and the lower end of the steering knuckle through spherical hinges; the inner side ends of the upper control arm and the lower control arm are hinged to the frame; the steering knuckle further comprises shock absorbers symmetrically arranged on the left side and the right side of the steering knuckle, one end of each shock absorber is hinged to the end portion of the inner side of the upper control arm, and the other end of each shock absorber is hinged to the end portion of the outer side of the lower control arm.

2. A compact drive wheel suspension according to claim 1, wherein: the bicycle frame also comprises two first fixed brackets fixedly arranged on the bicycle frame; go up the control arm and be the V font that the opening is inwards, and go up the inboard both ends of control arm and all rotationally set up in first fixed bolster through first pivot.

3. A compact drive wheel suspension according to claim 2, wherein: the frame is fixedly arranged on the frame; the lower control arm is pi-shaped with an inward opening, and two ends of the inner side of the lower control arm are rotatably arranged on the second fixed support through the second rotating shaft.

4. A compact drive wheel suspension according to claim 2 or 3, wherein: and the left side wall and the right side wall outside the lower control arm are symmetrically provided with a mounting seat, one end of the shock absorber is hinged to the mounting seat, and the other end of the shock absorber is hinged to the first fixed support.

5. A compact drive wheel suspension according to claim 4, wherein: the first fixing support comprises a rectangular frame body, an installation part used for installing a first rotating shaft is arranged on the left side of the rectangular frame body, and a connecting seat used for being hinged to the shock absorber is arranged on the front end face of the rectangular frame body.

6. A compact drive wheel suspension according to claim 3, wherein: the two ends of the inner side of the upper control arm are respectively provided with a first sleeve for mounting a first rotating shaft, and the two ends of the inner side of the lower control arm are respectively provided with a second sleeve for mounting a second rotating shaft; and a circle of rubber bushing is arranged between the first sleeve and the first rotating shaft and between the second sleeve and the second rotating shaft.

7. A compact drive wheel suspension according to claim 1, wherein: the spherical hinge comprises a ball head pin and a ball seat which are connected with each other; the upper end and the lower end of the steering knuckle are adjustably provided with the ball head pins; the outer side ends of the upper control arm and the lower control arm are both adjustably provided with a screw, and the outer end part of the screw is fixedly provided with the ball seat.