CN214928935U

CN214928935U - Tricycle second grade shock attenuation suspension

Info

Publication number: CN214928935U
Application number: CN202121231605.3U
Authority: CN
Inventors: 张利强; 廖强
Original assignee: Chongqing Shenlun Machinery Manufacturing Co ltd
Current assignee: Chongqing Shenlun Machinery Manufacturing Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-30
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a two-stage damping suspension structure of a tricycle, which comprises a bracket for connecting an engine to a frame, wherein the middle part of the bracket is provided with a first-stage damping device for connecting the engine, and two ends of the bracket are connected with second-stage damping devices for connecting the frame; the primary damping device is arranged at the joint of the engine and the bracket, and the secondary damping device is arranged at the joint of the bracket and the frame, so that the damping performance of the engine is ensured, particularly the damping effect of high rotating speed of the tricycle engine is ensured, the collision between the engine and the bracket directly connected with the frame is avoided, the vibration of the engine is effectively reduced and transmitted to the frame, the resonance is eliminated, the vibration noise is reduced, and the service lives of the engine and the frame are prolonged; and the primary damping device and the secondary damping device are both realized by using damping rubber pads, and the damping rubber pad has the advantages of simple and compact structure, convenience and quickness in installation and low cost.

Description

Tricycle second grade shock attenuation suspension

Technical Field

The utility model relates to a tricycle technical field, concretely relates to tricycle second grade shock attenuation suspended structure.

Background

The tricycle is liked by masses because its outstanding performance that carries cargo and its very high price/performance ratio are deeply, and the power installation of current tricycle is usually through on with power direct fixation to engine suspension, then lug connection on the frame, and this kind makes when the tricycle jolts the sense strong when passing through the relatively poor highway section of road conditions, experiences poorly, and reduces life, and good damping device is expensive, and the cost is with high costs.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a tricycle second grade shock attenuation suspended structure to carry shock attenuation effect, reduction in production cost.

In order to achieve the above purpose, the utility model provides a: a two-stage damping suspension structure of a tricycle comprises a bracket for connecting an engine to a frame, wherein the bracket comprises a first bracket and a second bracket, the first bracket is positioned at the front end of the engine, and the second bracket is positioned at the rear end of the engine; a first connecting plate is fixedly connected to the front end of the engine correspondingly, a second connecting plate is connected to the rear end of the engine, and the first connecting plate and the second connecting plate are correspondingly connected to the first bracket and the second bracket through primary damping devices respectively; and two ends of the first bracket and the second bracket are respectively connected with a second-stage damping device, and the second-stage damping devices are connected to the frame.

Further, one-level damping device includes first shock attenuation cushion, first shock attenuation cushion includes the elastic buffer portion of both ends metal-terminal and middle part, is connected with the screw rod on both ends metal-terminal respectively.

Furthermore, one of the metal ends is connected with a limiting barb, and the limiting barb is attached to the edge of the bracket for limiting.

Further, the secondary damping device comprises a second damping rubber pad at the middle part and damping sleeves connected to two ends of the second damping rubber pad, the second damping rubber pad comprises metal pads at two ends and an elastic component at the middle part, and the surface of the elastic component is a wavy undulating surface.

The beneficial effects of the utility model are embodied in: the utility model discloses structurally through set up the damping device of one-level at the junction of launching with the bracket and set up the damping device of second grade at the hookup location of bracket and frame, guaranteed the damping performance of engine, especially the damping effect that tricycle engine rotational speed is high, avoided launching directly with the bracket, the bracket directly with the frame connected collision, effectively reduced the vibrations of engine and transmitted to the frame, eliminate resonance, reduce the vibration noise, and improve the life of engine and frame; and the primary damping device and the secondary damping device are both realized by using damping rubber pads, and the damping rubber pad has the advantages of simple and compact structure, convenience and quickness in installation and low cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a front view structural diagram of a secondary damping suspension structure according to an embodiment of the present invention;

FIG. 2 is a left side view of the secondary suspension structure shown in FIG. 1;

FIG. 3 is a top view of the secondary suspension structure apparatus shown in FIG. 1;

fig. 4 is a schematic structural view of the middle-stage and second-stage damping device of the present invention.

In the attached drawings, a first bracket 1, a second bracket 1-1, a first connecting plate 2, a second connecting plate 2-1, a first shock-absorbing rubber pad 3, a limiting barb 31, a second shock-absorbing rubber pad 4, a shock-absorbing sleeve 41, a metal pad 42 and an elastic component 43.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is noted that the terms "front end," "back end," and the like are used herein for illustrative purposes only, and unless otherwise noted, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.

As shown in fig. 1, an embodiment of the present invention is: a two-stage damping suspension structure of a tricycle comprises a bracket for connecting an engine to a frame, wherein the bracket comprises a first bracket 1 and a second bracket 1-1, the first bracket 1 is positioned at the front end of the engine, and the second bracket 1-1 is positioned at the rear end of the engine; a first connecting plate 2 is fixedly connected to the front end of the engine correspondingly, a second connecting plate 2-1 is connected to the rear end of the engine, and the first connecting plate 2 and the second connecting plate 2-1 are correspondingly connected to a first bracket 1 and a second bracket 1-1 through a primary damping device respectively; two ends of the first bracket 1 and the second bracket 1-1 are respectively connected with a secondary damping device, and the secondary damping devices are connected to the frame; the shock absorption device of the second level is arranged at the connecting position of the bracket and the frame by arranging the shock absorption device of the first level at the connecting position of the engine and the bracket, so that the shock absorption performance of the engine is ensured, particularly the shock absorption effect of high rotating speed of the tricycle engine is realized, the direct collision between the engine and the bracket and the direct connection between the bracket and the frame are avoided, and the service life of the tricycle is prolonged.

Further, one-level damping device includes first shock attenuation cushion 3, first shock attenuation cushion 3 includes the elastic buffer portion at both ends metal-end and middle part, is connected with the screw rod respectively on the metal-end at both ends, through the setting of shock attenuation cushion, has ensured the shock attenuation effect on the one hand, and on the other hand shock attenuation cushion simple structure preparation is convenient, and it is convenient to install for manufacturing cost and assembly cost are low, and then make holistic low in manufacturing cost.

Further, one of them metal is served and is connected with a spacing barb 31, spacing barb 31 is spacing with the laminating of bracket border, arranges the lower extreme in through the cushion rubber that will have spacing barb 31 one end when the assembly for spacing barb 31 and the laminating of bracket border can not swing the cushion rubber when mounting nut on the screw rod, have improved assembly quality, make the assembly more convenient.

Further, the secondary damping device comprises a second damping rubber pad 4 in the middle and damping sleeves 41 connected at two ends of the second damping rubber pad 4, the second damping rubber pad 4 comprises metal pads 42 at two ends and an elastic component 43 in the middle, and the surface of the elastic component 43 is a wavy undulating surface; during the assembly, the bolt passes shock attenuation cover 41, second shock attenuation cushion 4, shock attenuation cover 41 in proper order and then locks through the nut, has guaranteed being connected of bracket and frame, and the use of shock attenuation cover 41 has promoted the shock attenuation effect, and the design of wavy undulating surface has promoted the shock attenuation performance of second shock attenuation cushion 4, and the form simple structure of cushion, the preparation of being convenient for, it is with low costs.

The beneficial effects of the utility model are embodied in: the utility model structurally arranges a second-level damping device at the connecting position of the bracket and the frame by arranging the first-level damping device at the connecting position of the engine and the bracket, thereby ensuring the damping performance of the engine, particularly the damping effect of high rotating speed of the tricycle engine, avoiding the collision between the engine and the bracket and the direct connection between the bracket and the frame, and prolonging the service life of the tricycle; and the primary damping device and the secondary damping device are both realized by using damping rubber pads, and the damping rubber pad has the advantages of simple and compact structure, convenience and quickness in installation and low cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a tricycle second grade shock attenuation suspended structure which characterized in that: the bracket comprises a first bracket and a second bracket, wherein the first bracket is positioned at the front end of the engine, and the second bracket is positioned at the rear end of the engine; a first connecting plate is fixedly connected to the front end of the engine correspondingly, a second connecting plate is connected to the rear end of the engine, and the first connecting plate and the second connecting plate are correspondingly connected to the first bracket and the second bracket through primary damping devices respectively; and two ends of the first bracket and the second bracket are respectively connected with a second-stage damping device, and the second-stage damping devices are connected to the frame.

2. The secondary shock absorbing suspension structure of a tricycle of claim 1, wherein: the first-level damping device comprises a first damping rubber pad, the first damping rubber pad comprises two end metal ends and an elastic buffering part in the middle, and the two end metal ends are respectively connected with a screw rod.

3. The secondary shock absorbing suspension structure of a tricycle of claim 2, wherein: one metal end is connected with a limiting barb, and the limiting barb is attached to the edge of the bracket for limiting.

4. The secondary shock absorbing suspension structure of a tricycle of claim 1, wherein: the secondary damping device comprises a second damping rubber pad at the middle part and damping sleeves connected with the two ends of the second damping rubber pad, the second damping rubber pad comprises metal pads at the two ends and an elastic part at the middle part, and the surface of the elastic part is a wavy undulating surface.