CN221188912U

CN221188912U - Three shock attenuation frame structures

Info

Publication number: CN221188912U
Application number: CN202322903275.3U
Authority: CN
Inventors: 龙家齐
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-29
Filing date: 2023-10-29
Publication date: 2024-06-21
Anticipated expiration: 2033-10-29

Abstract

The utility model discloses a three-damping frame structure, which belongs to the field of frame structures of electric vehicles and comprises a frame main body, wherein the frame main body comprises a front fork arm, a frame main pipe and a frame seat pipe fixed on the frame main pipe, and is characterized by further comprising a rear upper pipe and a rear lower fork which are respectively hinged to the frame main pipe, wherein a hinge joint of the rear upper pipe and the frame main pipe is a first pin shaft; and an auxiliary shock absorber is arranged on the other side of the rear upper pipe by taking the first pin shaft as a middle supporting point. The utility model is beneficial to playing a better shock absorption effect while keeping the car body light.

Description

Three shock attenuation frame structures

Technical Field

The utility model relates to the field of frame structures of electric vehicles, in particular to a three-damping frame structure.

Background

At present, the electric vehicle becomes a popular transportation means in small and medium cities and vast rural areas in China, brings convenience to the travel of people, and increases the driving comfort requirements of people on the driving of the electric vehicle along with the improvement of living standard.

The frame is the important component part of electric motor car, and its structural design has directly decided the security, the supportability and the pleasing to the eye degree that electric motor car was ridden, and the frame structure among the prior art generally includes back yoke, riser, seat pipe and down tube etc. wherein the shock-absorbing structure of back yoke generally includes the bumper shock absorber, and bumper shock absorber one end articulates with the back upper fork, and the other end articulates the bumper shock absorber, and this kind of frame structure's shock attenuation effect is not enough, and it is obvious to go to jolt.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a three-damping frame structure, which has better damping effect and light frame structure compared with the frame damping structure in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

The utility model provides a three-damping frame structure, which comprises a frame main body, a rear upper pipe and a rear lower fork, wherein the frame main body comprises a front fork arm, a frame main pipe and a frame seat pipe fixed on the frame main pipe;

A rear shock absorber is arranged between the rear lower fork and the rear upper pipe, and is hinged to the rear lower fork at a rear wheel axle, but is fixedly connected with the rear upper pipe, and the position of the rear shock absorber, which is connected with the rear upper pipe, is taken as a supporting connection position;

The first pin shaft is used as a middle fulcrum, the other side of the rear upper tube opposite to the supporting connection position is provided with an auxiliary shock absorber, two ends of the auxiliary shock absorber are respectively hinged with the rear upper tube and the main tube of the frame, the hinged position of the auxiliary shock absorber and the rear upper tube is used as a second pin shaft, and the distance between the second pin shaft and the first pin shaft is smaller than that between the supporting connection position and the first pin shaft.

Preferably, the main frame pipe is an integrally formed aluminum alloy shell.

Preferably, the frame body further includes a luggage rack on the rear wheel, and the luggage rack is integrally formed with the rear upper tube.

Preferably, the rear shock absorber has a pair, which are symmetrically disposed at both sides of the rear wheel.

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

In the driving process of the vehicle, when the bump or the pit is encountered, firstly, the shock absorption can be provided for the first time of the frame main body through the rear shock absorber, after the rear shock absorber is compressed or reset and elongated by a certain amount, the lever structure is formed by acting on the supporting connection part together with the first pin shaft and the second pin shaft, so that the auxiliary shock absorber is pried to absorb shock, the supporting connection part is longer in force arm away from the fulcrum, the auxiliary shock absorber is easier to intervene in the shock absorption as soon as possible, and the cooperative shock absorption effect of the auxiliary shock absorber and the rear shock absorber is realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:

FIG. 1 is a schematic illustration of a three-damping frame structure according to the present utility model.

FIG. 2 is a second schematic diagram of a three-damping frame structure according to the present utility model.

Reference numerals: 100. the bicycle frame comprises a frame main body 110, a front fork arm 120, a frame main pipe 130, a rear upper pipe 140, a rear lower fork 150, a rear shock absorber 160, a rear wheel shaft 170, an auxiliary shock absorber 180, a luggage rack 190, a frame seat pipe 200, a first pin shaft 300, a support connecting part 400 and a second pin shaft.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

The three-damping frame structure as shown in fig. 1 and 2 comprises a frame main body 100, wherein the frame main body comprises a front fork arm 110, a frame main pipe 120, a frame sitting pipe 190 fixed on the frame main pipe 120, and a rear upper pipe 130 and a rear lower fork 140 which are respectively hinged to the frame main pipe 120, wherein a hinge joint of the rear upper pipe 130 and the frame main pipe 120 is a first pin shaft 200;

A rear shock absorber 150 is arranged between the rear lower fork 140 and the rear upper pipe 130, the rear shock absorber 150 is hinged with the rear lower fork 140 at the rear wheel axle 160, but is fixedly connected with the rear upper pipe 130, and the position where the rear shock absorber 150 is connected with the rear upper pipe 130 is taken as a supporting connection part 300;

With the first pin shaft 200 as a middle pivot, the rear upper tube 130 is provided with an auxiliary shock absorber 170 at the other side opposite to the support joint 300, two ends of the auxiliary shock absorber 170 are respectively hinged with the rear upper tube 130 and the main frame tube 120, the hinge joint of the auxiliary shock absorber 170 and the rear upper tube 130 is a second pin shaft 400, and the distance between the second pin shaft 400 and the first pin shaft 200 is smaller than the distance between the support joint 300 and the first pin shaft 200.

In the running process of the vehicle frame, if the rear wheel is lifted by pressure when encountering a concave-convex state of the ground, the rear shock absorber 150 firstly plays a role in shock absorption, the acting force is transmitted to the supporting connection part 300 through the pressed (when the ground is convex) or stretched (when the ground is concave) state of the rear shock absorber 150, and the auxiliary shock absorber 170 is inserted into the supporting connection part 300 through a labor-saving lever structure formed by the supporting connection part 300, the second pin shaft 400 and the first pin shaft 200 to play a role in shock absorption together with the rear shock absorber 170.

In this embodiment, the frame main pipe 120 is an integrally formed aluminum alloy housing. Thus, the main frame tube 120 has better structural strength, and is convenient for stably connecting the rear upper tube 130, the rear lower fork 140, the auxiliary shock absorber 170 and the like.

In this embodiment, the frame body further includes a luggage rack 180 located on the rear wheel, and the luggage rack 180 is integrally formed with the rear upper tube 130, so that the rear upper tube 130 has a more abundant function, and better combination with the vehicle body structure in the prior art is achieved.

In this embodiment, the rear shock absorber 150 has a pair, which are symmetrically disposed on both sides of the rear wheel.

It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments will fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.

Claims

1. The three-damping frame structure comprises a frame main body, wherein the frame main body comprises a front fork arm, a frame main pipe and a frame seat pipe fixed on the frame main pipe, and is characterized by further comprising a rear upper pipe and a rear lower fork which are respectively hinged to the frame main pipe, wherein the hinge joint of the rear upper pipe and the frame main pipe is a first pin shaft;

2. The three-cushioning frame structure of claim 1, wherein the frame main tube is an integrally formed aluminum alloy shell.

3. The three-cushioning frame structure of claim 1, wherein the frame body further comprises a luggage rack on the rear wheel, and wherein the luggage rack is integrally formed with the rear upper tube.

4. The three-cushioning frame structure of claim 1, wherein the rear cushioning members share a pair symmetrically disposed on either side of the rear wheel.