CN216861710U

CN216861710U - Single-cantilever damping mechanism

Info

Publication number: CN216861710U
Application number: CN202220567694.7U
Authority: CN
Inventors: 郑理德
Original assignee: Taizhou Doufeng Vehicle Industry Co ltd
Current assignee: Taizhou Doufeng Vehicle Industry Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-07-01
Anticipated expiration: 2032-03-15

Abstract

The utility model belongs to the technical field of vehicle front suspension, and particularly relates to a single-cantilever damping mechanism which comprises a front swing arm and a front cantilever, wherein an installation part is formed at one end of the front swing arm, a wheel shaft for installing wheels is arranged in the installation part, the lower end of the front cantilever is hinged with the front swing arm, a bending part for installing a steering tube is formed at the upper end of the front cantilever, a connecting part is formed at one side of the front cantilever, a damper group is hinged on the connecting part, the other end of the damper group is hinged with the installation part, and the damper group is parallel to the front cantilever.

Description

Single-cantilever damping mechanism

Technical Field

The utility model relates to the technical field of vehicle front suspension, in particular to a single-cantilever damping mechanism.

Background

The suspension of the electric vehicle and the motorcycle realizes the elastic support and steering action on the vehicle body, and the dynamic performance of the suspension is to relax the impact, weaken the vibration, transmit the force and the torque. The existing suspension system such as a sleeve type front suspension mainly comprises double front shock absorbers, an upper connecting plate and a lower connecting plate.

For example, the chinese invention patent, publication No. CN112020446A, discloses a front suspension of a motorcycle, comprising: a fork having a steering member mechanically connected or adapted to be connected to a handlebar of the motorcycle; a swing arm having a first end and a second end; a lever having a first end pivotally coupled to the steering member and a second end pivotally coupled to a first end of the swing arm; a shock absorber set comprising a spring and a damper, said set extending from an attachment head mechanically connected to said steering member to an attachment foot pivotally coupled to a second end of said swing arm; wherein the swing arm carries a rotation pin of an associated front wheel, the rotation pin defining an axis of rotation of the front wheel, and wherein the shock absorber set is rotatably and slidably coupled to the rotation pin at the attachment foot.

The upper end of the rod in the front suspension is pivoted with the steering component, which is unstable in the driving process, so that the structure needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a single-cantilever damping mechanism, which solves the problem of unstable travelling crane through a front cantilever.

The purpose of the utility model is realized as follows: the utility model provides a single cantilever damper, includes preceding swing arm and preceding swing arm, and the one end shaping of preceding swing arm has the installation department, is provided with the shaft that is used for installing the wheel in the installation department, the lower extreme of preceding swing arm articulates there is preceding swing arm, the upper end shaping of preceding swing arm has the flexion that is used for installing the steering tube, one side shaping of preceding swing arm has connecting portion, and articulated on the connecting portion have a bumper shock absorber group, and the other end and the installation department of bumper shock absorber group are articulated mutually, and the bumper shock absorber group parallels with preceding swing arm.

Preferably, the lower end of the front cantilever is formed with a first hinge connecting part, a hinge groove for inserting a second hinge connecting part is formed in the first hinge connecting part, a second hinge connecting part is formed at one end of the front swing arm, and a first mounting hole and a second mounting hole for mounting the first hinge connecting part are respectively formed in the first hinge connecting part and the second hinge connecting part.

Preferably, one side of the second mounting hole is provided with an elastic groove for adjusting the aperture of the second mounting hole, and an adjusting hole communicated with the outside is formed in the elastic groove.

Preferably, the upper end shaping of bumper shock absorber group has last annular connecting portion, mounting hole three has been seted up on the connecting portion, the side-mounting of connecting portion has fixed plate one, and fixed plate one is last to set up the mounting hole four that communicates with the mounting hole three-phase, goes up annular connecting portion and is located between fixed plate one and the connecting portion.

Preferably, the installation part is further provided with a fifth installation hole, the lower end of the shock absorber set is formed into a lower annular connecting part, the side surface of the installation part is provided with a second fixing plate, the second fixing plate is provided with a sixth installation hole communicated with the fifth installation hole, and the lower annular connecting part is located between the second fixing plate and the installation part.

Preferably, the side-mounting of preceding swing arm has the ring gear with wheel synchronous rotation, and a plurality of response hole has been seted up to the periphery of ring gear, be provided with the tachometric sensor who uses with the ring gear cooperation on the installation department.

Preferably, a brake disc rotating synchronously with the wheel is mounted on the side surface of the gear ring, and a brake matched with the brake disc is arranged on the mounting portion.

Preferably, the front cantilever is an integral elbow.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

the single-cantilever damping mechanism disclosed by the utility model is composed of the front swing arm, the front cantilever and the damper group, and has the advantages of few parts, high stability, convenience in maintenance and good damping and buffering effects.

Drawings

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

Fig. 2 is a second structural schematic diagram of the present invention.

Reference numerals: 1-front swing arm; 2-a front cantilever; 3-an installation part; 4-a wheel; 5-wheel shaft; 6-a steering tube; 7-a bend; 8-a connecting part; 9-a shock absorber group; 10-a first hinge connection; 11-a second hinge connection; 12-a hinge slot; 13-mounting the first hole; 14-mounting hole two; 15-hinge one; 16-an elastic groove;

18-an upper annular connection portion; 19-mounting hole three; 20, fixing a plate I; 21-mounting hole four; 22-mounting hole five; 23-lower annular connection; 24-a second fixing plate; 25-mounting hole six; 26-a gear ring; 27-a sensing hole; 28-a rotational speed sensor; 29-a brake disc; 30-brake.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in figure 1, the single-cantilever shock absorption mechanism comprises a front swing arm 1 and a front cantilever 2, wherein the front cantilever 2 is an integrated bent pipe, an installation part 3 is formed at one end of the front swing arm 1, a wheel shaft 5 used for installing wheels 4 is arranged in the installation part 3, the lower end of the front cantilever 2 is hinged with the front swing arm 1, a bending part 7 used for installing a steering pipe 6 is formed at the upper end of the front cantilever 2, a connecting part 8 is formed at one side of the front cantilever 2, a damper group 9 is hinged on the connecting part 8, the other end of the damper group 9 is hinged with the installation part 3, the damper group 9 is parallel to the front cantilever 2, when bumping in a road section in the actual driving process, the wheels will vibrate, the wheels drive the front swing arm 1 to swing through the wheel shaft 5, and further realize the effects of shock absorption and buffering through the damper group 9, and the single-cantilever shock absorption mechanism adopts the front swing arm 1, Preceding cantilever 2 and bumper shock absorber group 9 three parts constitute, and the part is few, and stability is high, and it is convenient to maintain to have good shock attenuation buffering effect.

As shown in fig. 1, a first hinge connecting portion 10 is formed at the lower end of the front cantilever 2, a hinge groove 12 into which a second hinge connecting portion 11 is inserted is formed in the first hinge connecting portion 10, a second hinge connecting portion 11 is formed at one end of the front swing arm 1, a first mounting hole 13 and a second mounting hole 14 for mounting a first hinge connecting portion 15 are respectively formed on the first hinge connecting portion 10 and the second hinge connecting portion 11, in the actual installation process, the second hinge connecting part 11 is inserted into the hinge groove 12, then the first hinge piece 15 is installed into the first installation hole 13 and the second installation hole 14, thereby realizing the hinging between the front cantilever 2 and the front swing arm 1, and through the design of the hinging groove 12, make connection structure more stable, two 11 articulated connecting portions are located articulated inslot 12, can restrict the horizontal swing of front swing arm 1 to preceding cantilever 2 elbow structure design as an organic whole, intensity is higher.

Specifically, referring to fig. 2, an elastic groove 16 for adjusting the aperture size of the second mounting hole 14 is formed in one side of the second mounting hole 14, an adjusting hole communicated with the outside is formed in the elastic groove 16, and the elastic groove 16 is reduced by screwing a bolt into the adjusting hole, so that the aperture size of the second mounting hole 14 is reduced, and the hinge connecting portion 11 is fixedly connected with the first hinge member 15.

Specifically looking at fig. 2, the upper end of the damper group 9 is formed with an upper annular connecting portion 18, a third mounting hole 19 is formed in the connecting portion 8, a first fixing plate 20 is mounted on the side surface of the connecting portion 8, the first fixing plate 20 is fixedly connected with the front cantilever 2, a fourth mounting hole 21 communicated with the third mounting hole 19 is formed in the first fixing plate 20, the upper annular connecting portion 18 is located between the first fixing plate 20 and the connecting portion 8, and the first fixing plate 20 is detached to take out the upper annular connecting portion 18, so that the damper group is convenient to disassemble and assemble.

Specifically looking at fig. 2, still seted up mounting hole five 22 on the installation department 3, the lower extreme shaping of bumper shock absorber group 9 has lower annular connecting portion 23, the side-mounting of installation department 3 has fixed plate two 24, sets up the mounting hole six 25 that is linked together with mounting hole five 22 on the fixed plate two 24, and lower annular connecting portion 23 is located between fixed plate two 24 and the installation department 3, and it can take out lower annular connecting portion 23 to pull down fixed plate two 24, easy dismounting.

Specifically, see fig. 2, the side of front swing arm 1 installs ring gear 26 with wheel 4 synchronous revolution, and a plurality of response hole 27 has been seted up to the periphery of ring gear 26, be provided with on the installation department 3 with ring gear 26 cooperation use rotational speed sensor 28, rotational speed sensor 28 sends pulse signal all the time, corresponds with ring gear 26 peripheral response hole 27, thereby gathers the quantity of ring gear on the response hole 27 and convert into corresponding speed of a motor vehicle and show in the certain time.

Referring to fig. 2 in particular, a brake disc 29 rotating synchronously with the wheel 4 is mounted on the side surface of the ring gear 26, and a brake 30 cooperating with the brake disc 29 is provided on the mounting portion 3, so as to perform braking control on the vehicle.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a single cantilever damper, its characterized in that, includes preceding swing arm (1) and preceding swing arm (2), and the one end shaping of preceding swing arm (1) has installation department (3), is provided with shaft (5) that are used for installing wheel (4) in installation department (3), the lower extreme of preceding swing arm (2) articulates there is preceding swing arm (1), the upper end shaping of preceding swing arm (2) has flexion (7) that are used for installing steering tube (6), one side shaping of preceding swing arm (2) has connecting portion (8), and it has shock absorber group (9) to articulate on connecting portion (8), and the other end and installation department (3) of shock absorber group (9) are articulated mutually, and shock absorber group (9) parallel with preceding swing arm (2).

2. The single suspension arm shock absorbing mechanism of claim 1, wherein: the lower extreme shaping of preceding cantilever (2) has articulated connecting portion one (10), and the shaping has in articulated connecting portion one (10) to supply articulated connecting portion two (11) male hinge groove (12), and the one end shaping of preceding swing arm (1) has articulated connecting portion two (11), offers mounting hole one (13) and mounting hole two (14) that are used for installing articulated elements one (15) on articulated connecting portion one (10) and articulated connecting portion two (11) respectively.

3. The single suspension arm shock absorbing mechanism of claim 2, wherein: an elastic groove (16) used for adjusting the aperture of the second mounting hole (14) is formed in one side of the second mounting hole (14), and an adjusting hole communicated with the outside is formed in the elastic groove (16).

4. The single suspension arm shock absorbing mechanism of claim 1, wherein: the upper end shaping of bumper shock absorber group (9) has last annular connecting portion (18), mounting hole three (19) have been seted up on connecting portion (8), the side-mounting of connecting portion (8) has fixed plate one (20), sets up the mounting hole four (21) that are linked together with mounting hole three (19) on fixed plate one (20), goes up annular connecting portion (18) and is located between fixed plate one (20) and connecting portion (8).

5. The single suspension arm shock absorbing mechanism of claim 1 or 4, wherein: still seted up mounting hole five (22) on installation department (3), the lower extreme shaping of bumper shock absorber group (9) has lower annular connecting portion (23), the side-mounting of installation department (3) has two (24) of fixed plate, sets up six (25) of mounting hole that are linked together with mounting hole five (22) on two (24) of fixed plate, and lower annular connecting portion (23) are located between two (24) of fixed plate and installation department (3).

6. The single suspension arm shock absorbing mechanism of claim 1, wherein: the side-mounting of preceding swing arm (1) has ring gear (26) with wheel (4) synchronous rotation, and a plurality of response hole (27) have been seted up to the periphery of ring gear (26), be provided with speed sensor (28) with ring gear (26) cooperation use on installation department (3).

7. The single suspension arm shock absorbing mechanism of claim 6, wherein: the side mounting of ring gear (26) has brake disc (29) with wheel (4) synchronous rotation, be provided with on installation department (3) with brake disc (29) cooperation brake (30) that use.

8. The single suspension arm shock absorbing mechanism of claim 1, wherein: the front cantilever (2) is an integrated bent pipe.