CN114179957A

CN114179957A - Two-wheeled vehicle suspension

Info

Publication number: CN114179957A
Application number: CN202210031646.0A
Authority: CN
Inventors: 郑理德
Original assignee: Taizhou Doufeng Vehicle Industry Co ltd
Current assignee: Taizhou Doufeng Vehicle Industry Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-03-15

Abstract

The invention belongs to the technical field of motorcycle suspensions, and particularly relates to a two-wheeled vehicle suspension which comprises a front fork, wherein a main rod is arranged on one side of the upper end of the front fork, a damper assembly and a balance rod assembly are respectively arranged on one side of the lower end of the front fork, a connecting rod is connected between the damper assembly and the lower end of the balance rod assembly, a wheel is arranged at the joint of the lower end of the damper assembly and the connecting rod, the damper assembly comprises a damper and a spring arranged on the periphery of the damper, the balance rod assembly comprises a cylinder body, a movable limiting rod is arranged in the cylinder body, and the upper end of the limiting rod is connected with the front fork. The lateral displacement of wheel can be restricted, rotation is prevented, and the stability is more.

Description

Two-wheeled vehicle suspension

Technical Field

The invention relates to the technical field of motorcycle suspensions, in particular to a two-wheel type vehicle suspension.

Background

At present, the front suspension structure of the known motor tricycle adopts a double-fork type suspension, the structure is that a steering wheel is connected with a front suspension upright post through a round-head key, the front suspension upright post and a cross beam are welded into a whole, two front forks are arranged at the lower layer of the cross beam and are connected with a front wheel through a shaft, so that the torque of the steering wheel is converted into the steering of the front wheel, and meanwhile, two lifting lugs are arranged at the front side of the cross beam and are respectively provided with two shock absorbers to buffer the impact force when the front wheel meets an obstacle.

As granted by the chinese invention, patent No. CN201480028525.4, discloses a motorcycle suspension including a front fork having a rigid rod or lever adapted to be mechanically connected to the steering mechanism of a motorcycle. The front fork is preferably a single bar, which is asymmetrical with respect to the median longitudinal plane of the suspension itself and passes sideways through the front wheel of the motorcycle. The motorcycle suspension comprises a connecting rod having a first end at which it forms a junction with said operating lever and a second end at which it is connected to a support that houses a rotation pin of a front wheel connectable for rotation. Said rotation pin defines the rotation axis X-X of the wheel itself. The axis of rotation X-X of the wheel is rotatable in accordance with rotation of the steering mechanism of the motorcycle.

The motorcycle suspension is relatively complex in structure, and therefore further improvement of the structure is required.

Disclosure of Invention

The invention aims to provide a two-wheeled vehicle suspension, which solves the problem of complex structure through a balancing rod assembly.

The purpose of the invention is realized as follows: the utility model provides a two-wheeled vehicle suspension, includes the front fork, and the mobile jib is installed to upper end one side of front fork, and bumper shock absorber subassembly and balancing pole subassembly are installed respectively to lower extreme one side of front fork, are connected with the connecting rod between the lower extreme of bumper shock absorber subassembly and balancing pole subassembly, and the wheel is installed to the lower extreme of bumper shock absorber subassembly and the junction of connecting rod, the bumper shock absorber subassembly includes the bumper shock absorber and sets up the spring in its periphery, the balancing pole subassembly includes the barrel, installs mobilizable gag lever post in the barrel, and the upper end and the front fork of gag lever post are connected.

Preferably, a linear bearing is arranged between the limiting rod and the cylinder body.

Preferably, the lower end of the cylinder is formed with a first fixing part, the first fixing part is provided with a first fastening hole, one end of the connecting rod is formed with a first mounting groove for inserting the first fixing part, and the first mounting groove is internally provided with a second fastening hole.

Preferably, the upper end of the limiting rod is formed with a second fixing part, the front fork is provided with a first mounting hole for the second fixing part to be inserted into, the side wall of the first mounting hole is provided with a first elastic through groove communicated with the outside, and the first elastic through groove is provided with a third fastening hole.

Preferably, the lower end of the shock absorber is molded with a third fixing part, the third fixing part is provided with a fourth fastening hole, the other end of the connecting rod is molded with a second mounting groove for inserting the third fixing part, and the second mounting groove is internally provided with a fifth fastening hole.

Preferably, the upper end of the shock absorber is molded with a fixing part IV, the front fork is provided with a mounting hole II for the fixing part IV to insert, the side wall of the mounting hole II is provided with an elastic through groove II communicated with the outside, and the elastic through groove II is provided with a fastening hole VI.

Preferably, the bumper shock absorber includes the sleeve and the body of rod, and the one end of the body of rod is portable to be set up in the sleeve, the other end and the front fork fixed connection of the body of rod, the upper end shaping of the body of rod has an upper limit ring, telescopic periphery shaping has a lower limit ring, and the spring butt is between upper limit ring and lower limit ring.

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

according to the invention, through the design of the balance rod assembly, a shock-absorbing effect can be achieved in the driving process, the impact is relieved, and the vibration is absorbed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic sectional view of the structure at a-a in fig. 2.

Reference numerals: 1-a front fork; 2-main pole; 3-a damper assembly; 3 a-a shock absorber; 3 b-a spring; 4-a balance bar assembly; 4 a-a cylinder; 4 b-a limiting rod; 5-a connecting rod; 6-vehicle wheels; 7-a linear bearing; 8, a first fixing part; 9-fastening hole I; 10-a first mounting groove; 11-fastening hole II; 12-a second fixed part; 13-mounting the first hole; 14-an elastic through groove I; 15-fastening hole III; 16-fastening hole four; 17-mounting groove two; 18-fixed part four; 19-mounting hole two; 20-an elastic through groove II; 21-fastening hole five; 22-fastening hole six; 23-a sleeve; 24-a rod body; 25-upper confinement ring; 26-a lower retainer ring; 27-fixed part three.

Detailed Description

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

The utility model provides a two-wheeled vehicle suspension, includes front fork 1, and mobile jib 2 is installed to upper end one side of front fork 1, and bumper shock absorber subassembly 3 and balancing pole subassembly 4 are installed respectively to lower extreme one side of front fork 1, are connected with connecting rod 5 between the lower extreme of bumper shock absorber subassembly 3 and balancing pole subassembly 4, and wheel 6 is installed to the lower extreme of bumper shock absorber subassembly 3 and the junction of connecting rod 5, bumper shock absorber subassembly 3 includes bumper shock absorber 3a and sets up spring 3b in its periphery, at the driving in-process, can play the effect of bradyseism, alleviates the impact, and absorbed vibration, balancing pole subassembly 4 includes barrel 4a, installs mobilizable gag lever post 4b in barrel 4a, and gag lever post 4 b's upper end is connected with front fork 1, and gag lever post 4b slides from top to bottom in barrel 4a, can restrict the lateral displacement of wheel 6, prevents to rotate, and is more stable.

Install linear bearing 7 between gag lever post 4b and the barrel 4a, this technical scheme can reduce wearing and tearing through linear bearing's design for realize the rectilinear sliding between gag lever post 4b and the barrel 4a, it is comparatively steady to remove.

The lower extreme shaping of barrel 4a has fixed part 8, has seted up fastening hole 9 on the fixed part 8, the one end shaping of connecting rod 5 has confession fixed part 8 male mounting groove 10, has seted up fastening hole two 11 in the mounting groove 10, in actual installation, inserts in mounting groove 10 fixed part 8, then penetrates fastening hole 9 and fastening hole two 11 with the fastener in to realize being connected between barrel 4a and the connecting rod 5, this connection structure is simple, easy dismounting, and joint strength is better, be difficult to not hard up in the use.

The upper end of the limiting rod 4b is formed with a second fixing portion 12, the front fork 1 is provided with a first mounting hole 13 for the second fixing portion 12 to be inserted into, the side wall of the first mounting hole 13 is provided with a first elastic through groove 14 communicated with the outside, the first elastic through groove 14 is provided with a third fastening hole 15, in the actual mounting process, the second fixing portion 12 is firstly inserted into the first mounting hole 13, then a fastening piece is screwed into the third fastening hole 15, the diameter size of the first mounting hole 13 is reduced, and therefore the limiting rod 4b is fixedly connected with the front fork 1.

The utility model discloses a connecting rod, including connecting rod 5, bumper shock absorber 3a, mounting portion three 27, fastening hole four 16 has been seted up on fixing portion three 27, the other end shaping of connecting rod 5 has the mounting groove two 17 that supplies fixing portion three 27 male, fastening hole five 21 has been seted up in mounting groove two 17, in actual installation, at first insert mounting groove two 17 with fixing portion three 27 in, then penetrate the fastener in fastening hole four 16 and fastening hole five 21, thereby realize being connected between bumper shock absorber 3a and the connecting rod 5, this connection structure is simple, easy dismounting, and joint strength is better, be difficult to become flexible in the use.

The upper end of the shock absorber 3a is formed with a fixing portion four 18, a mounting hole two 19 for inserting the fixing portion four 18 is formed in the front fork 1, an elastic through groove two 20 communicated with the outside is formed in the side wall of the mounting hole two 19, a fastening hole six 22 is formed in the elastic through groove two 20, in the actual mounting process, the fixing portion four 18 is firstly inserted into the mounting hole two 19, then a fastening piece is screwed into the fastening hole six 22, the diameter size of the mounting hole two 19 is reduced, and therefore the shock absorber 3a is fixedly connected with the front fork 1.

The bumper shock absorber 3a includes sleeve 23 and the body of rod 24, and the one end of the body of rod 24 is portable to be set up in sleeve 23, the other end and the 1 fixed connection of front fork of the body of rod 24, the upper end shaping of the body of rod 24 has last spacing ring 25, the periphery shaping of sleeve 23 has spacing ring 26 down, and the butt of spring 3b is between last spacing ring 25 and spacing ring 26 down, and when the front fork atress, the front fork will drive the body of rod 24 downstream to effect through last spacing ring 25 and spacing ring 26 down compresses spring 3b, thereby plays absorbing effect.

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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The two-wheeled vehicle suspension is characterized by comprising a front fork (1), a main rod (2) is installed on one side of the upper end of the front fork (1), a shock absorber assembly (3) and a balance rod assembly (4) are installed on one side of the lower end of the front fork (1) respectively, a connecting rod (5) is connected between the shock absorber assembly (3) and the lower end of the balance rod assembly (4), a wheel (6) is installed at the joint of the lower end of the shock absorber assembly (3) and the connecting rod (5), the shock absorber assembly (3) comprises a shock absorber (3a) and a spring (3b) arranged on the periphery of the shock absorber (3), the balance rod assembly (4) comprises a cylinder body (4a), a movable limiting rod (4b) is installed in the cylinder body (4a), and the upper end of the limiting rod (4b) is connected with the front fork (1); and a linear bearing (7) is arranged between the limiting rod (4b) and the cylinder body (4 a).

2. The two-wheeled vehicle suspension of claim 1, wherein: the lower extreme shaping of barrel (4a) has fixed part (8), has seted up fastening hole (9) on fixed part (8), the one end shaping of connecting rod (5) has confession fixed part (8) male mounting groove (10), has seted up fastening hole two (11) in mounting groove (10).

3. Two-wheeled vehicle suspension according to claim 1 or 2, characterised in that: the upper end of the limiting rod (4b) is provided with a second fixing part (12), the front fork (1) is provided with a first mounting hole (13) for the second fixing part (12) to be inserted into, the side wall of the first mounting hole (13) is provided with a first elastic through groove (14) communicated with the outside, and the first elastic through groove (14) is provided with a third fastening hole (15).

4. The two-wheeled vehicle suspension of claim 1, wherein: the lower extreme shaping of bumper shock absorber (3a) has fixed part three (27), has seted up fastening hole four (16) on fixed part three (27), the other end shaping of connecting rod (5) has supplies fixed part three (27) male mounting groove two (17), has seted up fastening hole five (21) in mounting groove two (17).

5. Two-wheeled vehicle suspension according to claim 1 or 4, characterised in that: the upper end of the shock absorber (3a) is molded with a fixing part II (18), a mounting hole II (19) for inserting the fixing part II (18) is formed in the front fork (1), an elastic through groove II (20) communicated with the outside is formed in the side wall of the mounting hole II (19), and a fastening hole six (22) is formed in the elastic through groove II (20).

6. The two-wheeled vehicle suspension of claim 1, wherein: bumper shock absorber (3a) include sleeve (23) and the body of rod (24), and the one end of the body of rod (24) is portable to be set up in sleeve (23), the other end and front fork (1) fixed connection of the body of rod (24), the upper end shaping of the body of rod (24) has upper limit ring (25), the periphery shaping of sleeve (23) has lower limit ring (26), and spring (3b) butt is at last between limit ring (25) and lower limit ring (26).