CN216508825U

CN216508825U - Frame and vehicle

Info

Publication number: CN216508825U
Application number: CN202123054984.6U
Authority: CN
Inventors: 石建军
Original assignee: Beijing Qisheng Technology Co Ltd
Current assignee: Beijing Qisheng Technology Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-13
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to a vehicle frame and a vehicle. The frame comprises a head pipe, a main beam pipe, a left side pipe, a right side pipe and a rear bottom fork connecting pipe; the front end of the main beam pipe is connected with the head pipe, and the rear end of the main beam pipe extends towards the rear side of the frame and is connected with a rear bottom fork connecting pipe; the front ends of the left and right side pipes are connected with the front end of the main beam pipe, and the rear ends extend towards the rear side of the frame and are connected with the rear bottom fork connecting pipe. This frame, girder pipe are from the whole rear side extension to the frame of head pipe and be connected with the back chain stay connecting pipe, and left and right limit pipe extends to the rear side of frame from the front end of girder pipe for frame formula structure as an organic whole need not to be formed by connecting a plurality of sub-frames, not only can reduce the welding number of times of frame, reduces the welding degree of difficulty, also can guarantee the bulk strength of frame moreover.

Description

Frame and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle frame and a vehicle.

Background

The frame is used as an important part of the electric vehicle, and mainly connects a motor, a vehicle body and the like into an organic whole to support and protect the electric vehicle. The conventional frame is usually formed by welding a plurality of sub-frames, so that the connection strength of the whole frame cannot be ensured, and the welding difficulty can be increased.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is necessary to provide a frame and a vehicle for solving the problems that the connection strength of the frame of the conventional electric vehicle cannot be ensured and the welding difficulty is high.

A vehicle frame, the vehicle frame comprising: the head pipe, the main beam pipe, the left side pipe, the right side pipe and the rear bottom fork connecting pipe;

the front end of the main beam pipe is connected with the head pipe, and the rear end of the main beam pipe extends towards the rear side of the frame and is connected with the rear bottom fork connecting pipe;

the front ends of the left and right side pipes are connected with the front end of the main beam pipe, and the rear ends of the left and right side pipes extend towards the rear side of the frame and are connected with the rear bottom fork connecting pipe.

The frame can be applied to vehicles such as electric bicycles, motorcycles and the like, the main beam pipe extends from the whole head pipe to the rear side of the frame and is connected with the rear bottom fork connecting pipe, and the left side pipe and the right side pipe extend from the front end of the main beam pipe to the rear side of the frame, so that the frame is of an integrated structure and does not need to be formed by connecting a plurality of sub-frames, the welding times of the frame can be reduced, the welding difficulty is reduced, and the overall strength of the frame can be ensured.

In one embodiment, the middle portions of the left and right side pipes are located above the middle portion of the main beam pipe, where the middle portions of the left and right side pipes refer to the portions of the left and right side pipes located between the front end and the rear end, and the middle portion of the main beam pipe refers to the portion of the main beam pipe located between the front end and the rear end.

In one embodiment, the frame further comprises a bracing tube, and the bracing tube is connected with the left side tube and the main beam tube, and/or the bracing tube is connected with the right side tube and the main beam tube.

In one embodiment, the main beam pipe is connected with the inclined supporting pipes between the left side pipe and the right side pipe at the same axial length.

In one embodiment, the frame further comprises a reinforcement pipe connected with the left and right side pipes.

In one embodiment, the frame further comprises a first sheet metal part, a temple mounting position is arranged on the first sheet metal part, and the first sheet metal part is connected with the main beam pipe and any side pipe.

In one embodiment, the first sheet metal part is of an L-shaped structure and comprises a vertical part and a horizontal part which are connected, the vertical part is connected with the side pipe, the horizontal part is connected with the main beam pipe, and the temple mounting position is arranged on the horizontal part.

In one embodiment, the vertical portion is provided with a reinforcing rib.

In one embodiment, the frame further comprises a rear bottom fork assembly, and the rear bottom fork assembly is hinged with the rear bottom fork connecting pipe through a rotating shaft pipe.

In one embodiment, the frame further comprises a second sheet metal part, a first end of the second sheet metal part is connected with the rotating shaft pipe and the side pipe of the rear bottom fork assembly, and a second end of the second sheet metal part is provided with a first shock absorber mounting position;

the middle part of main beam pipe is provided with second bumper shock absorber installation position, second bumper shock absorber installation position be used for with the first end of bumper shock absorber is connected, first bumper shock absorber installation position be used for with the second end connection of bumper shock absorber.

In one embodiment, the second sheet metal part is of a Y-shaped structure, two branch parts of the second sheet metal part are connected with the rotating shaft pipe and the side pipe corresponding to the rear bottom fork assembly, and the first shock absorber installation position is arranged at the branch part of the second sheet metal part.

In one embodiment, a shock absorber avoidance groove is provided at the second shock absorber mounting location.

In one embodiment, the frame further comprises a seat barrel mounting frame, and the seat barrel mounting frame is connected with the rear ends of the left and right side pipes.

In one embodiment, the frame further comprises a third sheet metal part, the third sheet metal part is located below the seat and barrel mounting frame and is provided with a seat and barrel mounting position, and the third sheet metal part is connected with the left side pipe and/or the right side pipe.

In one embodiment, the frame further comprises a tail frame, and the tail frame is connected with the rear ends of the left and right side pipes.

A vehicle comprising a frame as claimed in any one of the preceding claims.

The vehicle can be an electric bicycle, a motorcycle and the like, the main beam pipe of the frame extends from the whole head pipe to the rear side of the frame and is connected with the rear bottom fork connecting pipe, and the left side pipe and the right side pipe extend from the front end of the main beam pipe to the rear side of the frame, so that the frame is of an integrated structure and does not need to be formed by connecting a plurality of sub-frames, the welding times of the frame can be reduced, the welding difficulty is reduced, and the overall strength of the frame can be ensured.

Drawings

Fig. 1 to 7 are schematic structural views of a vehicle frame according to an embodiment of the present invention from different angles;

wherein the reference numerals in the drawings are as follows:

100. a head pipe; 200. a main beam pipe; 200a, a shock absorber avoidance groove; 310. a left side tube; 320. a right side tube; 400. a rear bottom fork connecting pipe; 500. a diagonal bracing tube; 600. a reinforcement tube; 710. a first sheet metal part; 711. a vertical portion; 711a, reinforcing ribs; 712. a horizontal portion; 720. a second sheet metal part; 721. a crotch part; 722. a merging section; 730. a third sheet metal part; 740. a fourth sheet metal part; 800. a rear bottom fork assembly; 810. a rotating shaft tube; 900. a seat barrel mounting frame; 1000. and (4) a tail frame.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 to 7, an embodiment of the present invention provides a vehicle frame, including: a head pipe 100, a girder pipe 200, a left pipe 310, a right pipe 320, and a rear bottom fork connection pipe 400; the front end of the main beam pipe 200 is connected to the head pipe 100, and the rear end of the main beam pipe 200 extends toward the rear side of the frame and is connected to the rear bottom fork connection pipe 400; the front ends of the left and right side tubes are connected to the front end of the main beam tube 200, and the rear ends of the left and right side tubes extend toward the rear side of the frame and are connected to the rear bottom fork connection tube 400.

It should be noted that the "front", "back", "left" and "right" orientations referred to herein are based on the "front", "back", "left" and "right" orientations shown in fig. 1.

As an example, the front end of the girder tube 200 may be welded with the head tube 100, and the rear end may be welded with the rear bottom fork connection tube 400; the front ends of the left and right side pipes may be welded to the front ends of the girder pipe 200, respectively.

The frame as described above can be applied to vehicles such as electric bicycles and motorcycles, the main beam tube 200 extends from the entire head tube 100 to the rear side of the frame and is connected to the rear bottom fork connection tube 400, and the left and right side tubes extend from the front end of the main beam tube 200 to the rear side of the frame, so that the frame is an integrated structure, and is not required to be formed by connecting a plurality of sub-frames, thereby not only reducing the number of times of welding the frame and reducing the difficulty of welding, but also ensuring the overall strength of the frame.

In some embodiments of the present invention, the middle portions of the left and right pipes are located above the middle portion of the girder pipe 200, wherein the middle portions of the left and right pipes refer to the portions of the left and right pipes located between the front end and the rear end, and the middle portion of the girder pipe 200 refers to the portion of the girder pipe 200 located between the front end and the rear end. Therefore, the horizontal part of the frame forms a triangle-like structure, and the overall strength and rigidity of the frame can be improved.

As shown in fig. 1-6, in some embodiments of the present invention, the frame further includes a raker tube 500, the raker tube 500 being connected with the left side tube 310, the main beam tube 200, and/or the raker tube 500 being connected with the right side tube 320, the main beam tube 200. The bracing tube 500 can improve the overall rigidity of the frame.

Optionally, the number of the raker pipes 500 is plural, wherein a part of the raker pipes 500 are connected with the left side pipe 310 and the main beam pipe 200, and the rest part of the raker pipes 500 are connected with the right side pipe 320 and the main beam pipe 200. Illustratively, the number of the raker tubes 500 is 2, wherein one of the raker tubes 500 is connected with the left side tube 310 and the middle part of the main beam tube 200, and the other one of the raker tubes 500 is connected with the right side tube 320 and the middle part of the main beam tube 200. Wherein, the main beam pipe 200 is connected with the inclined supporting pipes 500 between the left and right side pipes at the same axial length. So set up, can be so that two bracing pipes 500 that are located the same axial length department of girder pipe 200 form class triangle-shaped structure, can make connection stability better.

Alternatively, the raker tube 500 may be welded to the left tube 310, the girder tube 200, and/or to the right tube 320, the girder tube 200.

As shown in fig. 1, 4 and 5, in some embodiments of the present invention, the frame further includes a reinforcement pipe 600, and the reinforcement pipe 600 is connected to the left and right side pipes. The reinforcement tube 600 may further increase the overall stiffness of the frame. Alternatively, the reinforcement tube 600 may be welded to the left and right side tubes.

As for the number of the reinforced pipes 600, 1, 2 or more may be provided, and the embodiment of the present invention is not particularly limited and may be provided according to practical applications. Regarding the structure of the reinforced pipe 600, a straight structure, an arc structure or a combination of a straight structure and an arc structure may be provided, for example, the reinforced pipe 600 shown in fig. 1 at the front end of the frame has a structure in which the middle of the reinforced pipe 600 protrudes downward and the left and right ends are in a straight shape, and the downward protruding portion may increase the strength of the reinforced pipe 600. In addition, the reinforcing tube 600 is provided with a mounting through-hole for mounting other components of the vehicle, such as a foot pedal.

As shown in fig. 2, 4 and 5, in some embodiments of the present invention, the frame further includes a first sheet metal part 710, a temple mounting position is disposed on the first sheet metal part 710, and the first sheet metal part 710 is connected to the main beam pipe 200 and any side pipe. The first sheet metal part 710 can be mounted on a side support (namely a foot support), and can also improve the overall rigidity of the frame. As an example, the first sheet metal part 710 is connected to the main beam pipe 200 and the left pipe 310. Optionally, the first sheet metal part 710 is welded to the main beam pipe 200 and any side pipe.

Specifically, as shown in fig. 2, the first sheet metal part 710 is of an L-shaped structure and includes a vertical portion 711 and a horizontal portion 712 connected to each other, the vertical portion 711 is connected to the side pipe, the horizontal portion 712 is connected to the main beam pipe 200, and the temple mounting position is disposed on the horizontal portion 712. The first sheet metal part 710 with the structure is convenient to connect with the side pipe and the main beam pipe 200 and is also convenient to install the side support. Alternatively, as shown in fig. 2, a reinforcing rib 711a is provided on the vertical portion 711, and the reinforcing rib 711a is used to increase the strength of the first sheet metal part 710 and may be provided in a straight-line shape, an i-shape, a U-shape, or the like. Optionally, the horizontal portion 712 may be provided with studs for mounting temples.

As shown in fig. 1 to 5, in some embodiments of the present invention, the frame further includes a rear bottom fork assembly 800, and the rear bottom fork assembly 800 is hinged to the rear bottom fork connection tube 400 through a rotation shaft tube 810. A rear fork assembly 800 for mounting a rear wheel. As an example, the rear bottom fork assembly 800 includes two side tubes respectively located at the left and right sides of the frame and having front ends connected to the shaft tube 810, and a connecting tube connected to the two side tubes.

Further, as shown in fig. 1 to 5 and 7, the frame further includes a second sheet metal part 720, a first end of the second sheet metal part 720 is connected to the rotating shaft tube 810 and the side tube of the rear bottom fork assembly 800, and a second end is provided with a first shock absorber mounting position. The first damper installation location is used to install the center damper, and the rear bottom fork assembly 800 can rotate up and down around the shaft tube 810 as the damper compresses.

Specifically, as shown in fig. 4 and fig. 7, the second sheet metal part 720 is a Y-shaped structure, two branched portions 721 of the second sheet metal part 720 are connected to the rotating shaft tube 810 and are further connected to the corresponding side tube of the rear bottom fork assembly 800, and the first damper mounting position is disposed at the junction 722 of the second sheet metal part 720. The second sheet metal part 720 of this structure is convenient for be connected with pivot pipe 810, back chain stay assembly 800, also is convenient for put the installation of bumper shock absorber in, and also can reduce the material volume of self. Optionally, the second sheet metal part 720 is welded to the rotating shaft tube 810 and the rear bottom fork assembly 800. Optionally, an ear plate with a mounting through hole is provided on the junction portion 722 of the second sheet metal part 720, and the middle damper may be hinged with the ear plate.

Further, a second damper mounting location is provided at the middle of the main beam pipe 200, the second damper mounting location being for connection with a first end of a damper, and the first damper mounting location being for connection with a second end of the damper. Optionally, an ear plate having a mounting through hole is provided on the middle portion of the girder tube 200, and the center damper may be hinged with the ear plate. Optionally, as shown in fig. 2 and 4, a damper escape groove 200a is provided at the second damper mounting location. The shock absorber avoidance groove 200a can avoid the center shock absorber.

As shown in fig. 1 to 3, in some embodiments of the present invention, the vehicle frame further includes a seat tub mounting bracket 900, and the seat tub mounting bracket 900 is connected to rear ends of the left and right side pipes. The seat tub mounting bracket 900 is used to mount the seat tub. Optionally, the seat barrel mounting frame 900 is of a U-shaped frame structure, and the seat barrel mounting frame 900 is enclosed in the middle of the seat barrel and is connected to the seat barrel by screws.

Further, as shown in fig. 1, the frame further includes a third sheet metal part 730, the third sheet metal part 730 is located below the seat tub mounting frame 900 and is provided with a seat tub mounting position, and the third sheet metal part 730 is connected with the left side pipe 310 and/or the right side pipe 320. The third sheet metal component 730 is used for being connected with the bottom of the seat barrel, so that the connecting strength of the seat barrel can be improved. Optionally, the third sheet metal part 730 comprises a first portion and a second portion, wherein the first portion and the second portion are included angles, the first portion is connected with the left side pipe 310 and/or the right side pipe 320, and the second portion is connected with the bottom of the seat barrel, such as screw connection.

As shown in fig. 1 and 2, in some embodiments of the present invention, the frame further includes a tail stock 1000, and the tail stock 1000 is connected to the rear ends of the left and right side pipes. The tail stock 1000 not only can improve the overall rigidity of the vehicle frame, but also can be used for mounting components such as an electronic lock, a rear handrail and a battery barrel. Optionally, the tailstock 1000 is welded to the rear ends of the left and right side pipes.

As shown in fig. 1, in some embodiments of the present invention, the frame further includes a fourth sheet metal 740, and the fourth sheet metal 740 is connected to the left side tube 310 and the right side tube 320 and is located below the tail stock 1000. The fourth metal plate 740 not only can improve the overall rigidity of the frame, but also can be used for installing a controller. Optionally, the fourth sheet metal 740 is welded to the left and right side pipes. The fourth metal plate 740 may be a flat in-line structure and provided with an outwardly protruding engaging lug for screw connection with the controller.

Another embodiment of the utility model also provides a vehicle, which comprises the vehicle frame.

The vehicle can be a vehicle such as an electric bicycle, a motorcycle and the like, the main beam pipe 200 of the frame extends from the whole head pipe 100 to the rear side of the frame and is connected with the rear bottom fork connecting pipe 400, and the left and right side pipes extend from the front end of the main beam pipe 200 to the rear side of the frame, so that the frame is of an integrated structure and does not need to be formed by connecting a plurality of sub-frames, the welding frequency of the frame can be reduced, the welding difficulty is reduced, and the integral strength of the frame can be ensured; and the middle parts of the left and right side pipes are connected with the rear bottom fork connecting pipe 400 and are positioned above the middle part of the main beam pipe 200, so that the front end of the frame forms a triangle-like structure, and the overall strength and rigidity of the frame can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A vehicle frame, comprising: a head pipe (100), a main beam pipe (200), a left pipe (310), a right pipe (320) and a rear bottom fork connecting pipe (400);

the front end of the main beam pipe (200) is connected with the head pipe (100), and the rear end of the main beam pipe (200) extends towards the rear side of the frame and is connected with the rear bottom fork connecting pipe (400);

the front ends of the left and right side pipes are connected with the front end of the main beam pipe (200), and the rear ends of the left and right side pipes extend towards the rear side of the frame and are connected with the rear bottom fork connecting pipe (400).

2. The frame of claim 1, wherein the middle portions of the left and right side tubes are located above the middle portion of the main beam tube (200), wherein the middle portions of the left and right side tubes are located between the front end and the rear end of the left and right side tubes, and the middle portion of the main beam tube (200) is located between the front end and the rear end of the main beam tube (200).

3. The frame according to claim 1, further comprising a cross brace tube (500), wherein the cross brace tube (500) is connected to the left side tube (310), the main beam tube (200), and/or wherein the cross brace tube (500) is connected to the right side tube (320), the main beam tube (200).

4. The frame of claim 3, wherein said diagonal brace tubes (500) are connected between said main beam tube (200) and each of said left and right side tubes at the same axial length.

5. The vehicle frame of claim 1, further comprising a reinforcement tube (600), the reinforcement tube (600) being connected to the left and right side tubes.

6. The frame according to any one of claims 1 to 5, characterized in that the frame further comprises a first sheet metal part (710), a temple mounting position is arranged on the first sheet metal part (710), and the first sheet metal part (710) is connected with the main beam pipe (200) and any side pipe.

7. The vehicle frame of claim 6, wherein the first sheet metal part (710) is of an L-shaped structure and comprises a vertical portion (711) and a horizontal portion (712) which are connected, the vertical portion (711) is connected with the side pipe, the horizontal portion (712) is connected with the main beam pipe (200), and the temple mounting position is arranged on the horizontal portion (712).

8. Frame according to claim 7, characterized in that said vertical portion (711) is provided with a reinforcement (711 a).

9. The frame according to any of claims 1-5, further comprising a rear bottom fork assembly (800), wherein the rear bottom fork assembly (800) is hinged to the rear bottom fork connection tube (400) by a rotation shaft tube (810).

10. The frame according to claim 9, further comprising a second sheet metal part (720), wherein a first end of the second sheet metal part (720) is connected with the rotating shaft tube (810) and a side tube of the rear bottom fork assembly (800), and a second end is provided with a first shock absorber mounting position;

the middle part of main beam pipe (200) is provided with second bumper shock absorber installation position, second bumper shock absorber installation position be used for with the first end of bumper shock absorber is connected, first bumper shock absorber installation position be used for with the second end of bumper shock absorber is connected.

11. The frame according to claim 10, characterized in that the second sheet metal part (720) is of a Y-shaped structure, two bifurcated parts (721) of the second sheet metal part (720) are connected with the rotating shaft tube (810) and the corresponding side tube of the rear bottom fork assembly (800), and the first shock absorber mounting position is arranged at a merged part (722) of the second sheet metal part (720).

12. The frame according to claim 11, wherein a shock absorber avoidance slot (200a) is provided at the second shock absorber mounting location.

13. The vehicle frame according to any of claims 1-5, further comprising a seat tub mounting (900), wherein the seat tub mounting (900) is connected to the rear ends of the left and right side tubes.

14. The frame of claim 13, further comprising a third sheet metal part (730), wherein the third sheet metal part (730) is located below the seat and tub mounting frame (900) and is provided with a seat and tub mounting position, and the third sheet metal part (730) is connected with the left side pipe (310) and/or the right side pipe (320).

15. The frame according to any of claims 1-5, further comprising a tail stock (1000), wherein the tail stock (1000) is connected to the rear ends of the left and right side tubes.

16. A vehicle, characterized in that it comprises a frame according to any of claims 1-15.