CN220662745U

CN220662745U - Cradle type motorcycle frame

Info

Publication number: CN220662745U
Application number: CN202322324297.4U
Authority: CN
Inventors: 易春; 徐伟
Original assignee: Jiangmen Zhenghao Motorcycle Co ltd
Current assignee: Jiangmen Zhenghao Motorcycle Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-26
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses a cradle type motorcycle frame, comprising: the frame body comprises a bent beam main pipe, a straight beam main pipe and an inclined pipe, the bent beam main pipe and the straight beam main pipe are fixedly connected to the inclined pipe, the frame cradle comprises a first pipe and a second pipe, two ends of the first pipe and two ends of the second pipe are connected with the frame body, and the frame rear seat is connected with the first mounting piece and the bent beam main pipe. The utility model provides a cradle type motorcycle frame, frame main part mainly comprises square pipe, still is provided with the installed part that is used for fixed engine, and the frame cradle comprises the pipe, and the both ends of frame cradle are fixed in frame main part, and the engine is fixed in frame cradle through the mounting panel, makes motorcycle frame's bulk strength improve through square pipe, connecting piece and the fixed mode of reinforcing plate installation, and the vibrations of frame are little during the drive motorcycle simultaneously.

Description

Cradle type motorcycle frame

Technical Field

The utility model relates to the technical field of motorcycle frames, in particular to a cradle type motorcycle frame.

Background

The motorcycle frame is an important part of a motorcycle, and is a skeleton of the motorcycle, and is a key part for connecting and bearing an engine and a transmission system, a suspension braking system, a running system, accessory equipment and drivers of the motorcycle, and also bears longitudinal inertia force during acceleration braking during running, impact caused by a road surface and deformation caused during curve running.

However, most of the existing motorcycle frames use circular tube bending and welding modes to produce and assemble the frames, so that the existing motorcycle frames are low in overall strength and large in vibration.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the cradle type motorcycle frame provided by the utility model is integrally composed of the square tube, the round tube, the connecting piece and the reinforcing plate, so that the integral strength of the motorcycle frame is improved, and the vibration of the motorcycle frame is small when the motorcycle is driven.

According to a first aspect of an embodiment of the utility model, a cradle-type motorcycle frame comprises:

the frame main body comprises a bent beam main pipe, a straight beam main pipe and an inclined pipe, wherein the bent beam main pipe and the straight beam main pipe are square pipes, the side wall of the inclined pipe is provided with an installation part, one end of the bent beam main pipe and one end of the straight beam main pipe are arranged on the installation part, the bent beam main pipe and the straight beam main pipe are positioned on the same plane, a first installation piece is arranged at the other end of the bent beam main pipe, a second installation piece is arranged at the other end of the straight beam main pipe, and an engine can be installed on the first installation piece and the second installation piece;

the cradle comprises a first pipe and a second pipe, wherein the first pipe and the second pipe are arc round pipes, the end parts of the first pipe and the end parts of the second pipe are connected to form a closed structure, a first connecting part for connecting the first pipe and the second pipe is arranged in the bent beam main pipe, and a second connecting part for connecting the first pipe and the second pipe is arranged in the straight beam main pipe;

and the frame backseat is connected with the first mounting piece and the bent beam main pipe.

The cradle type motorcycle frame provided by the embodiment of the utility model has at least the following beneficial effects: the frame main part mainly comprises square pipe, still is provided with the mounting panel that is used for fixed engine, and the frame cradle comprises the pipe, and the both ends welding of frame cradle are in the frame main part, and the engine passes through the mounting panel to be fixed in the frame cradle, makes the bulk strength of motorcycle frame improve through square pipe, connecting piece and reinforcing plate installation fixed mode, and the vibrations of frame are little when driving the motorcycle simultaneously.

According to some embodiments of the utility model, a first reinforcing plate is arranged on the side part of the frame structure surrounded by the straight girder main pipe, the bent girder main pipe and the inclined pipe, and a second reinforcing plate is also arranged at the joint of the straight girder main pipe and the inclined pipe.

According to some embodiments of the utility model, the ends of the first reinforcing plates on two sides of the frame structure are bent and attached to each other, and a reinforcing plate connecting piece is further arranged between the two first reinforcing plates.

According to some embodiments of the utility model, the first mounting piece is a three-sided bending sheet metal, the first mounting piece is further provided with a groove, the first mounting piece is arranged on the bent beam main pipe in a penetrating manner through the groove, and the second mounting piece is a sheet metal with two sides bent.

According to some embodiments of the utility model, the frame cradle is further provided with a first sheet metal part and a second sheet metal part, wherein the first sheet metal part is fixed at the joint of the straight beam main pipe, the first pipe and the second pipe, and the second sheet metal part is fixed above the first pipe and the second pipe.

According to some embodiments of the utility model, the frame rear seat comprises a rear seat left tube, a rear seat right tube, a rear seat left lower tube support and a rear seat tail tube, wherein the rear seat left tube and the rear seat right tube are connected with the bent beam main tube bending part, the rear seat left tube and the rear seat right tube are connected through the rear seat tail tube, one end of the rear seat left lower tube support is connected with the bent beam main tube, the other end of the rear seat left lower tube support is connected with the rear seat left tube, one end of the rear seat right lower tube support is connected with the bent beam main tube, and the other end of the rear seat right lower tube support is connected with the rear seat right tube.

According to some embodiments of the utility model, a left triangle reinforcing plate is arranged at the connection part of the left rear seat pipe and the left rear seat lower pipe support, and a right triangle reinforcing plate is arranged at the connection part of the right rear seat pipe and the right rear seat lower pipe support.

According to some embodiments of the utility model, the left triangle stiffener and the rear seat left tube are provided with a first stiffener and the right triangle stiffener and the rear seat right tube are provided with a second stiffener.

According to some embodiments of the utility model, a third sheet metal part, a fourth sheet metal part, a fifth sheet metal part and a rear seat connecting pipe are arranged between the rear seat left pipe and the rear seat right pipe, the third reinforcing sheet metal part is positioned at the joint of the bent beam main pipe, the rear seat left pipe and the rear seat right pipe, and the fourth sheet metal part, the fifth sheet metal part and the rear seat connecting pipe are arranged at intervals.

According to some embodiments of the utility model, a sixth sheet metal part is arranged between the rear seat left lower tube support and the rear seat right lower tube support, and the sixth sheet metal part is located behind the first mounting part.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a left side view of the cradle style motorcycle frame shown in FIG. 1;

FIG. 3 is a schematic structural view of the frame body and frame cradle assembly shown in FIG. 1;

FIG. 4 is a schematic view of the rear seat of the frame shown in FIG. 1;

FIG. 5 is a schematic view of the first mounting member shown in FIG. 1;

fig. 6 is a schematic structural view of the second mount shown in fig. 1.

Reference numerals:

the frame body 100, the bent main tube 110, the straight main tube 120, the inclined tube 130, the frame cradle 200, the first tube 210, the second tube 220, the cradle connecting tube 230, the frame rear seat 300, the rear seat left tube 310, the rear seat right tube 320, the rear seat left lower tube support 330, the rear seat right lower tube support 340, the rear seat tail tube 350, the first reinforcing plate 410, the second reinforcing plate 420, the first mounting member 430, the groove 431, the second mounting member 440, the side reinforcing member 450, the first sheet metal member 460, the second sheet metal member 470, the auxiliary member 480, the left triangle reinforcing plate 490, the first reinforcing member 500, the right triangle reinforcing plate 510, the second reinforcing member 520, the third sheet metal member 530, the fourth sheet metal member 540, the fifth sheet metal member 550, the sixth sheet metal member 560, the rear seat connecting tube 570, the reinforcing plate connecting member 580, and the stopper 590.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

However, the existing motorcycle frame basically uses a round tube bending and welding mode to produce and assemble the frame, so that the existing motorcycle has low overall strength and large vibration.

To the existing problem that the motorcycle frame exists, this application provides a cradle type motorcycle frame, the curved beam is responsible for and is responsible for square tube with the straight beam, the curved beam is responsible for and is responsible for being connected through hang pipe and straight beam, the straight beam is responsible for the lower extreme and is provided with the second installed part, the curved beam is responsible for the lower extreme and is provided with first installed part, the engine is installed on second installed part and first installed part, frame main part below is provided with the frame cradle, the frame cradle includes first pipe and second pipe, first pipe and second pipe are the arc pipe, the tip of first pipe is connected with the tip of second pipe and is formed the closed structure, frame cradle both ends are responsible for with the straight beam and are responsible for being connected, the frame comprises square pipe, connecting piece and reinforcing plate, the bulk strength of motorcycle frame has been improved, and the whole vibrations of frame are little when the motorcycle is driven.

Referring to fig. 1 to 6, a cradle type motorcycle frame provided in an embodiment of the present utility model includes a frame body 100, a frame cradle 200, and a frame rear 300. Specifically, the frame main body 100 includes the straight beam main pipe 120, the curved beam main pipe 110 and the inclined tube 130, the straight beam main pipe 120 and the curved beam main pipe 110 are hollow square pipes, the square pipes have anti-deformation capacity, so that the square pipes and the circular pipes can be connected to effectively improve the strength of the frame, the inclined tube 130 is fixed in front of the frame main body 100, the side wall behind the inclined tube 130 is provided with a mounting part, one end of the straight beam main pipe 120 and one end of the curved beam main pipe 110 are welded and fixed at the mounting part of the inclined tube 130, and the straight beam main pipe 120 and the curved beam main pipe 110 are located on the same plane, one end of the straight beam main pipe 120 far away from the inclined tube 130 extends obliquely downwards behind the vehicle, one end of the curved beam main pipe 110 far away from the inclined tube 130 extends obliquely downwards after bending, one end of the straight beam main pipe 120 far away from the inclined tube 130 is provided with a second mounting member 440, the lower end of the straight beam main pipe 120 is provided with a limit post 590, the second mounting member 440 is detachably mounted on the limit post 590, two sides of the second mounting member 440 face the straight beam main pipe 120, two sides of the second mounting member 440 are provided with mounting holes are provided with first mounting member 430 and first side mounting member 430, the first side mounting member 430 is provided with first side mounting member 430 is far away from the limit post 110, and the first side mounting member 430 is provided with first mounting member 430 is arranged on the limit post mounting member, and the first side mounting member 430 is arranged on the main pipe member 430.

It should be noted that, the frame cradle 200 is disposed below the frame main body 100, the frame cradle 200 includes a first tube 210 and a second tube 220, the first tube 210 and the second tube 220 are arc round tubes integrally formed, the ends of the first tube 210 and the second tube 220 are connected to form a closed structure, the first connection portion of the first tube 210 and the second tube 220 is welded and fixed to the bent beam main tube 110, the second connection portion of the first tube 210 and the second tube 220 is welded and fixed to the straight beam main tube 120, both ends of the first tube 210 and the second tube 220 are inclined upwards, the connection structures of the bent beam main tube 110, the straight beam main tube 120, the first tube 210 and the second tube 220 form a cradle frame structure, an engine of the motorcycle is placed in the structure, compared with the structure of a single support tube, the cradle frame structure greatly enhances the strength of the motorcycle frame, the connection strength of the motorcycle frame is enhanced, the engine and the frame are more tightly attached to each other, the vibration of the motorcycle frame is small during driving, the whole stability is increased, the frame main body 100 is provided with a frame 300, and a frame 300 is further welded and fixed to a frame seat 300 for a driver seat 300 is attached to the frame seat 300.

The frame main body 100 and the frame cradle 200 are fixedly connected by welding, the frame main body 100 mainly comprises a bent beam main pipe 110 and a straight beam main pipe 120, the bent beam main pipe 110 and the straight beam main pipe 120 are square pipes, the frame cradle 200 comprises a first pipe 210 and a second pipe 220, the first pipe 210 and the second pipe 220 are arc round pipes, the frame main body 100 and the frame cradle 200 are fixedly connected, a first mounting piece 430 and a second mounting piece 440 for mounting and fixing an engine are arranged in the frame, the engine is fastened in a frame space surrounded by the frame cradle 200, the first mounting piece 430 and the second mounting piece 440, the overall strength of the motorcycle frame is improved by mounting and fixing the square pipes, the round pipes, the connecting pieces and the reinforcing plates, and meanwhile, the vibration of the frame is small when the motorcycle is driven.

It should be noted that, the two sides of the frame structure surrounded by the straight beam main pipe 120, the curved beam main pipe 110 and the inclined pipe 130 are provided with the first reinforcing plate 410, the first reinforcing plate 410 is provided with a plurality of fixing and mounting holes, and the plurality of fixing and mounting holes are mainly used for mounting other parts, so that the fixity of the motorcycle is better, the second reinforcing plate 420 is welded and fixed at the joint of the straight beam main pipe 120 and the inclined pipe 130, and the second reinforcing plate 420 is used for reinforcing the strength of the vehicle head assembly. It can be appreciated that the head portion is fixedly connected to the straight beam main pipe 120, the bent beam main pipe 110, the inclined pipe 130 and the first reinforcing plate, and the whole head portion is designed to be a very strong welding assembly, so that the strength of the use structure is improved.

It should be noted that, the first reinforcing plate is centrally symmetrical with respect to the inclined tube 130, the end portions of the first reinforcing plates 410 on two sides of the frame structure are bent and attached to each other, so as to improve the strength of the vehicle head, the first reinforcing plates 410 are further provided with reinforcing plate connectors 580, and the reinforcing plate connectors 580 can improve the local stress structural strength of the first reinforcing plates 410.

Referring to fig. 5, the first mounting member 430 is a sheet metal with three sides bent, the end surface of the first mounting member 430 is provided with a groove 431, the size of the groove 431 is matched with the size of the bent beam main pipe 110, the first mounting member 430 is arranged on the bent beam main pipe 110 in a penetrating manner through the groove 431, the side wall of the first mounting member 430 is attached to the bent beam main pipe 110, the side wall of the bent beam main pipe 110 is provided with a limiting hole for the limiting column 590 to be clamped into the side wall of the first mounting member 430, the second mounting member 440 is a sheet metal with two sides bent, and the cross section is of a C shape.

Referring to fig. 1, the cradle 200 for a motorcycle is further provided with a first sheet metal part 460 and a second sheet metal part 470, the first sheet metal part 460 and the second sheet metal part 470 are curved sheet metal parts, the first sheet metal part 460 is welded and fixed at the joint of the straight beam main pipe 120, the first pipe 210 and the second pipe 220, the second sheet metal part 470 is welded and fixed above the first pipe 210 and the second pipe 220, the first sheet metal part 460 and the second sheet metal part are mainly used for enhancing the connectivity between the first pipe 210 and the second pipe 220, the function of supporting an engine is also achieved to a certain extent, the contact area between the engine and the frame is increased, the engine is fastened and fixed on the frame 200 more, the side plates of the first pipe 210 and the second pipe 220 are provided with auxiliary parts 480, the auxiliary parts 480 are reserved with mounting holes, the auxiliary parts 480 are used for being connected with other parts of the motorcycle, one end of the cradle 210 is welded and fixed above the first pipe 210, the other end of the cradle 230 is welded and fixed on the second pipe 220, the cradle 230 is used for enhancing the contact area between the first pipe 210 and the second pipe 220, the cradle 210 is used for enhancing the rigidity coefficient of the cradle 210 and the second pipe 220, the safety coefficient of the cradle is simple, and the structure of the safety coefficient of the cradle is improved, and the safety coefficient of the structure of the cradle is prevented from being deformed, and the high.

Referring to fig. 4, the frame rear seat 300 includes a rear seat left tube 310, a rear seat right tube 320, a rear seat left lower tube support 330, a rear seat right lower tube support 340 and a rear seat tail tube 350. Specifically, one end of the rear seat left tube 310 and one end of the rear seat right tube 320 are welded and fixed to both sides of the bent portion of the bent beam main tube 110, the other end of the rear seat left tube 310 and the other end of the rear seat right tube 320 are inclined upward toward the rear direction, the end of the rear seat left tube 310 and the end of the rear seat right tube 320 are connected through the rear seat tail tube 350, the structural arrangement of the frame rear seat 300 and the frame main body 100 is ergonomic, comfort is improved when a driver drives the motorcycle, handling and comfort of the motorcycle are improved, one end of the rear seat left lower tube support 330 is connected with the limit post 590 of the bent beam main tube 110, the other end is welded and fixed to the rear seat left tube 310, one end of the rear seat right lower tube support 340 is connected with the limit post 590 of the bent beam main tube 110, the other end is welded and fixed to the rear seat right tube 320, the side portion reinforcement 450 is further provided to the rear seat right lower tube support 340, the side portion reinforcement 450 is fixed to the rear seat right lower tube support 340 and the first mounting member 430 through screws, and the side reinforcement 450 is used for reinforcing the strength of the side portion. In other embodiments, the rear seat tail pipe 350 is arc-shaped, and two ends of the rear seat tail pipe 350 are respectively connected with the rear seat left pipe 310 and the rear seat right pipe 320, and are welded and fixed, so that the frame tail part forms a closed-loop structure, and the stress intensity of the frame tail part is enhanced.

It should be noted that, the connection between the left rear seat tube 310 and the left rear seat tube support 330 is welded and fixed with a left triangle reinforcing plate 490, the connection between the right rear seat tube 320 and the right rear seat tube support 340 is welded and fixed with a right triangle reinforcing plate 510, the left triangle reinforcing plate 490 and the right triangle reinforcing plate 510 are symmetrical with respect to the center of the frame body 100, and the left triangle reinforcing plate 490 and the right triangle reinforcing plate 510 are reinforcing plates with a blunt triangle structure, and the left triangle reinforcing plate 490 and the right triangle reinforcing plate 510 can strengthen the strength of the frame rear seat 300.

The first stiffener 500 is welded to the left triangle stiffener 490 and the rear seat left tube 310, the right triangle stiffener 510 and the rear seat right tube 320 are provided with the second stiffener 520, and the first stiffener 500 and the second stiffener 520 can further strengthen the strength of the left triangle stiffener 490 and the strength of the right triangle stiffener 510.

It should be noted that, a third sheet metal part 530, a fourth sheet metal part 540, a fifth sheet metal part 550 and a rear seat connecting pipe 570 are disposed between the rear seat left tube 310 and the rear seat right tube 320, the third sheet metal part 530 is located at the junction of the curved beam main tube 110, the rear seat left tube 310 and the rear seat right tube 320, the third sheet metal part 530 is welded and fixed at the junction of the curved beam main tube 110, the rear seat left tube 310 and the rear seat right tube 320, and the fourth sheet metal part 540, the fifth sheet metal part 550 and the rear seat connecting pipe 570 are welded and fixed between the rear seat left tube 310 and the rear seat right tube 320, and are disposed at intervals.

It should be noted that, a sixth sheet metal part 560 is further provided, one end of the sixth sheet metal part 560 is welded and fixed on the left lower tube support 330 of the rear seat, the other end is welded and fixed on the right lower tube support 340 of the rear seat, the sixth sheet metal part 560 is located at the rear of the first mounting part 430, and a nut is welded in the middle of the sixth sheet metal part 560 and is used for mounting accessories.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A cradle type motorcycle frame, comprising:

2. The cradle type motorcycle frame according to claim 1, wherein a first reinforcing plate is provided on a side portion of a frame structure surrounded by the straight beam main pipe, the bent beam main pipe and the inclined pipe, and a second reinforcing plate is provided at a joint of the straight beam main pipe and the inclined pipe.

3. The cradle type motorcycle frame according to claim 2, wherein the end portions of the first reinforcing plates on both sides of the frame structure are folded and fitted to each other, and a reinforcing plate connecting member is further provided between the two first reinforcing plates.

4. The cradle type motorcycle frame according to claim 1, wherein the first mounting piece is a three-sided bent sheet metal, the first mounting piece is provided with a groove, the first mounting piece penetrates through the bent beam main pipe through the groove, and the second mounting piece is a sheet metal with two-sided bent.

5. The cradle type motorcycle frame according to claim 1, wherein the frame cradle is further provided with a first sheet metal member and a second sheet metal member, the first sheet metal member is fixed to the first connecting portion, and the second sheet metal member is fixed to the second connecting portion.

6. The cradle type motorcycle frame according to claim 1, wherein the frame rear seat comprises a rear seat left tube, a rear seat right tube, a rear seat left lower tube support, a rear seat right lower tube support and a rear seat tail tube, the rear seat left tube and the rear seat right tube are connected with the bent beam main tube bending part, the rear seat left tube and the rear seat right tube are connected through the rear seat tail tube, one end of the rear seat left lower tube support is connected with the bent beam main tube, the other end is connected with the rear seat left tube, one end of the rear seat right lower tube support is connected with the bent beam main tube, and the other end is connected with the rear seat right tube.

7. The bassinet frame of claim 6, wherein the rear seat left tube and rear seat left down tube support connection is provided with a left triangular stiffener, and the rear seat right tube and rear seat right down tube support connection is provided with a right triangular stiffener.

8. The bassinet frame of claim 7, wherein the left triangular reinforcing plate and the rear seat left tube are provided with a first reinforcing member, and the right triangular reinforcing plate and the rear seat right tube are provided with a second reinforcing member.

9. The cradle type motorcycle frame according to claim 6, wherein a third sheet metal part, a fourth sheet metal part, a fifth sheet metal part and a rear seat connecting pipe are arranged between the rear seat left pipe and the rear seat right pipe, the third sheet metal part is positioned at the joint of the bent beam main pipe, the rear seat left pipe and the rear seat right pipe, and the fourth sheet metal part, the fifth sheet metal part and the rear seat connecting pipe are arranged at intervals.

10. The bassinet frame of claim 6, wherein a sixth sheet metal member is disposed between the rear left lower tube support and the rear right lower tube support, the sixth sheet metal member being located rearward of the first mounting member.