CN203818955U

CN203818955U - Rear swing arm of vehicle

Info

Publication number: CN203818955U
Application number: CN201420128656.7U
Authority: CN
Inventors: 涂传胜; 任洁; 盛世忠; 金瑶
Original assignee: Luoyang Northern EK Chor Motorcycle Co Ltd
Current assignee: Luoyang Northern EK Chor Motorcycle Co Ltd
Priority date: 2014-03-21
Filing date: 2014-03-21
Publication date: 2014-09-10
Anticipated expiration: 2024-03-21

Abstract

The utility model belongs to the technical field of a vehicle, and provides a rear swing arm of the vehicle. The rear swing arm of the vehicle comprises a rear swing arm main pipe (5), a rear swing arm inclined pipe (7) and a rear swing arm reinforcement pipe (9), wherein two rear swing arm shaft sleeves (2) are respectively welded at the rear ends of the rear swing arm main pipe (5) and the rear swing arm inclined pipe (7); each rear swing arm shaft sleeve (2) is internally provided with a buffer rubber sleeve (1), and the buffer rubber sleeves (1) are in clearance fit with the rear swing arm shaft sleeves (2); the rear swing arm shaft sleeves (2) are respectively connected with a rear swing arm support on a frame welding component by a bolt; a rear damping bearing I (6) is welded on the rear swing arm main pipe (5); the rear damping bearing I and a rear damping bearing II arranged on the frame welding component are connected into a whole by a rear shock absorber; a reduction gearbox bridge pipe (13) is arranged above the rear swing arm main pipe. The rear swing arm of the vehicle has the characteristics of being small in occupied space, simple, light and flexible.

Description

A kind of rear-swing arm of vehicle

Technical field

The utility model belongs to vehicle technology field, relates generally to a kind of rear-swing arm of vehicle.

Background technology

So far, the steel spring post-suspension structures that adopt on existing market more, the major defect that this form hangs is to work moment at auxiliary spring, the rigidity increase of suspension is very unexpected, unfavorable to vehicle running smoothness; And complex structure, takes up room large, and alerting ability is poor, light not.

Utility model content

The purpose of this utility model is the rear-swing arm that proposes a kind of vehicle, makes it have simple in structurely, take up room little, alerting ability good with lightweight feature.

The utility model adopts following technical scheme for completing above-mentioned purpose:

A rear-swing arm for vehicle, described rear-swing arm is arranged on the rear portion of whole vehicle; Described rear-swing arm includes rear-swing arm supervisor, rear-swing arm inclined tube and rear-swing arm reinforced pipe; Described rear-swing arm supervisor's rear end and the rear end of rear-swing arm inclined tube are welded with respectively rear-swing arm axle sleeve, and are welded on the axis and the dead in line that is welded on the rear-swing arm axle sleeve of rear-swing arm inclined tube rear end of the rear-swing arm axle sleeve of rear-swing arm supervisor rear end; In described rear-swing arm axle sleeve, be provided with buffering gum cover, and described buffering gum cover and rear-swing arm axle sleeve free-running fit, play the effect of alleviating vibrations, described rear-swing arm axle sleeve is by the rear-swing arm support and connection on bolt and vehicle frame framework weld assembly, form described rear-swing arm subsequently swing arm axle sleeve can be around bolt the structure with respect to the above rear-swing arm support rotating of vehicle frame framework weld assembly; The rear damping supporting I that is welded with to install rear shock absorber on described rear-swing arm supervisor; Rear shock-absorption support II on described rear damping supporting I and vehicle frame framework weld assembly connects as one by rear shock absorber; Described rear-swing arm supervisor's top is provided with drop-gear box bridge tube; Described drop-gear box bridge tube is fixed on rear-swing arm supervisor by fixed mechanism.

Described fixed mechanism includes to limit the rear axle limit plate of drop-gear box bridge tube sway and in order to prevent that drop-gear box bridge tube is at the U-shaped folder upper and lower, rock front and back; Described rear axle limit plate is welded on rear-swing arm supervisor's outside; Described U-shaped folder is two that are nested with at drop-gear box bridge tube, U-shaped folder described in two is installed on respectively rear-swing arm supervisor's both sides, and the lower end of two described U-shaped folders connects as one by back axle adapter plate and rear-swing arm supervisor, described back axle adapter plate is welded on rear-swing arm supervisor bottom.

Described rear-swing arm supervisor's front portion and the front portion of rear-swing arm inclined tube are welded to connect; Described rear-swing arm supervisor's rear portion and the rear portion of rear-swing arm inclined tube are welded as a whole and form the rear-swing arm of three-legged structure with swing arm reinforced pipe respectively.

Described rear-swing arm is two covers that are symmetrical set.

On described rear-swing arm reinforced pipe, be provided with to install the parking brake cable support of parking brake cable.

The rear-swing arm of a kind of vehicle the utility model proposes, rear-swing arm axle sleeve is connected with the rear-swing arm bearing assembly on vehicle frame framework weld assembly by bolt, and rear-swing arm can be rotated around bolt; Rear shock-absorption support I on rear-swing arm weld assembly and the rear shock-absorption support II on vehicle frame framework weld assembly link together by rear shock absorber, finally realize the connection procedure of rear-swing arm assembly, have little, simple, light, the feature flexibly that takes up room.

Accompanying drawing explanation

Fig. 1 is that the utility model is used view.

Fig. 2 is the structural representation of the utility model rear-swing arm.

Fig. 3 is that in the utility model, back axle adapter plate coordinates schematic diagram with U-shaped support.

In figure: 1, buffering gum cover, 2, rear-swing arm axle sleeve, 3, rear axle limit plate, 4, back axle adapter plate, 5, rear-swing arm supervisor, 6, rear shock-absorbing support I, 7, rear-swing arm inclined tube, 8, parking brake cable supports, 9, rear-swing arm reinforced pipe, 10, left rear swing arm welding, 11, right back swing arm welding, 12, U-shaped folder, 13, drop-gear box bridge tube, 14, back axle side positioning plate, 15, rear shock absorber.

the specific embodiment

With specific embodiment, the utility model is illustrated by reference to the accompanying drawings:

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of vehicle rear-swing arm, described rear-swing arm is arranged on the rear portion of whole vehicle; Described rear-swing arm includes rear-swing arm supervisor 5, rear-swing arm inclined tube 7 and rear-swing arm reinforced pipe 9; Described rear-swing arm supervisor's 5 front portion and the front portion of rear-swing arm inclined tube 7 are welded to connect; Described rear-swing arm supervisor's 8 rear portion and the rear portion of rear-swing arm inclined tube 7 are welded as a whole and form the rear-swing arm of three-legged structure with rear-swing arm reinforced pipe 9 respectively; Described rear-swing arm supervisor's 5 rear end and the rear end of rear-swing arm inclined tube 7 are welded with respectively rear-swing arm axle sleeve 2, and are welded on axis and the dead in line that is welded on the rear-swing arm axle sleeve of rear-swing arm inclined tube 7 rear ends that rear-swing arm is responsible for the rear-swing arm axle sleeve of 5 rear ends; In described rear-swing arm axle sleeve 2, be provided with buffering gum cover 1, and described buffering gum cover 1 and rear-swing arm axle sleeve 2 free-running fits, play the effect of alleviating vibrations, described rear-swing arm axle sleeve 2 is by the rear-swing arm support and connection on bolt and vehicle frame framework weld assembly, form described rear-swing arm with described rear-swing arm axle sleeve 2 can be around bolt the structure with respect to the above rear-swing arm support rotating of vehicle frame framework weld assembly; The rear shock-absorption support I 6 that is welded with to install rear shock absorber 15 on described rear-swing arm supervisor 5; Described rear shock-absorption support I 6 connects as one by rear shock absorber 15 with the rear shock-absorption support II on vehicle frame framework weld assembly; Described rear-swing arm supervisor's 5 top is provided with drop-gear box bridge tube 13; Described drop-gear box bridge tube 13 is fixed on rear-swing arm supervisor by fixed mechanism; Described fixed mechanism includes to limit the rear axle limit plate 3 of drop-gear box bridge tube sway and in order to prevent that drop-gear box bridge tube from existing up and down, the U-shaped folder 12 that rocks of front and back; Described rear axle limit plate 3 is welded on rear-swing arm supervisor 5 outside; Described U-shaped folder 12 is two that are nested with at drop-gear box bridge tube 13, U-shaped folder 12 described in two lays respectively at rear-swing arm supervisor 5 both sides, and the lower end of two described U-shaped folders 12 connects as one with rear-swing arm supervisor 5 by back axle adapter plate 4, and described back axle adapter plate 4 is welded on rear-swing arm and is responsible for 5 bottoms.

Described rear-swing arm is two covers that are symmetrical set: left rear swing arm 10 is identical with the structure of right back swing arm 11.

The parking brake cable support 8 that is provided with to install parking brake cable on described rear-swing arm reinforced pipe 9, described parking brake cable supports 8 tops and is provided with U-shaped mouthful, for parking brake cable is installed.

Claims

1. a rear-swing arm for vehicle, described rear-swing arm is arranged on the rear portion of whole vehicle; It is characterized in that: described rear-swing arm includes rear-swing arm supervisor (5), rear-swing arm inclined tube (7) and rear-swing arm reinforced pipe (9); The described rear-swing arm supervisor rear end of (5) and the rear end of rear-swing arm inclined tube (7) are welded with respectively rear-swing arm axle sleeve (2), and are welded on the axis and the dead in line that is welded on the rear-swing arm axle sleeve of rear-swing arm inclined tube rear end of the rear-swing arm axle sleeve of rear-swing arm supervisor rear end; In described rear-swing arm axle sleeve (2), be provided with buffering gum cover (1), and described buffering gum cover (12) and rear-swing arm axle sleeve (2) free-running fit; Described rear-swing arm axle sleeve (2) is by the rear-swing arm support and connection on bolt and vehicle frame framework weld assembly, form described rear-swing arm subsequently swing arm axle sleeve (2) around bolt the structure with respect to the above rear-swing arm support rotating of vehicle frame framework weld assembly; The rear damping supporting I (6) that is welded with to install rear shock absorber on described rear-swing arm supervisor (5); Rear shock-absorption support II on described rear damping supporting I and vehicle frame framework weld assembly connects as one by rear shock absorber; Described rear-swing arm supervisor's top is provided with drop-gear box bridge tube (13); Described drop-gear box bridge tube (13) is fixed on rear-swing arm supervisor (5) by fixed mechanism.

2. the rear-swing arm of a kind of vehicle according to claim 1, is characterized in that: described fixed mechanism includes to limit the rear axle limit plate (3) of drop-gear box bridge tube sway and in order to prevent that drop-gear box bridge tube from existing up and down, the U-shaped folder (12) that rocks of front and back; Described rear axle limit plate (3) is welded on rear-swing arm supervisor's (5) outside; Described U-shaped folder (12) is two that are nested with at drop-gear box bridge tube (13), U-shaped folder (12) described in two lays respectively at rear-swing arm supervisor's (5) both sides, and the lower end of two described U-shaped folders (12) connects as one with rear-swing arm supervisor (5) by back axle adapter plate (4), described back axle adapter plate (4) is welded on rear-swing arm supervisor (5) bottom.

3. the rear-swing arm of a kind of vehicle according to claim 1, is characterized in that: the described rear-swing arm supervisor front portion of (5) and the front portion of rear-swing arm inclined tube (7) are welded to connect; The described rear-swing arm supervisor rear portion of (5) and the rear portion of rear-swing arm inclined tube (7) are welded as a whole and form the rear-swing arm of three-legged structure with swing arm reinforced pipe (9) respectively.

4. the rear-swing arm of a kind of vehicle according to claim 1, is characterized in that the parking brake cable support (8) that is provided with to install parking brake cable on described rear-swing arm reinforced pipe (9).

5. the rear-swing arm of a kind of vehicle according to claim 1, is characterized in that: described rear-swing arm is two covers that are symmetrical set.