One-piece casting two-wheeled vehicle frame

Abstract

The present invention relates to the field of motorcycle frames, and specifically to an integrally cast two-wheeled vehicle frame, wherein the frame is provided with a rear fork mounting portion, a power mounting portion and a steering column mounting portion in sequence from bottom to top, and a crossbeam is provided between the power mounting portion and the steering column mounting portion, wherein the crossbeam is a C-shaped cavity beam with an opening at the bottom in cross section, and an electrical component mounting hole and a controller mounting hole are provided on the inner wall of the cavity of the cavity beam, and a power device mounting hole is provided at the power mounting portion, and the C-shaped cavity opening below the crossbeam at the steering column mounting portion is an air inlet, and the rear end of the rear fork mounting portion is an air outlet, and a raised seat mounting seat and a shock-absorbing fixing seat are provided above the crossbeam. The frame adopting the technical solution is beautiful, and the mounting hole positions have batch consistency, which is convenient for installation; the heat dissipation effect is good, it is not easy to deform, and the overall rigidity is good.

Description

Technical Field

[0001] The invention relates to the field of motorcycle frames, in particular to an integrally cast two-wheeled vehicle frame. Background Art

[0002] Motorcycle frames are used to support engines and transmissions. There are many types of them, but from the perspective of the overall structure, they can be divided into two categories. One is a space frame composed of multiple simple parts combined through a certain process, that is, a space structure frame; the other is a main beam structure frame with a main beam as the main skeleton and some auxiliary mounting parts.

[0003] Most existing motorcycle frames are made by welding single steel pipes into a whole, and using reinforcing plates and ribs to increase strength. The hardness requirement is not enough, and the various wiring harnesses and control circuits installed in the frame are easily tangled and disorganized. At the same time, the comfort of the frame composed of multiple single steel pipes is not good.

[0004] In summary, the inventors have proposed an integrated cast electric motorcycle frame. Summary of the Invention

[0005] In view of the problems in the prior art such as insufficient hardness requirements, disordered internal wiring harnesses and poor comfort, an integrated cast electric motorcycle frame is proposed to solve the above problems.

[0006] In order to achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

[0007] A one-piece cast two-wheeled vehicle frame, the frame is provided with a rear fork mounting portion, a power mounting portion and a steering column mounting portion in sequence from bottom to top, a crossbeam is provided between the power mounting portion and the steering column mounting portion, the crossbeam is a C-shaped cavity beam with an open bottom cross section, the cavity inner wall of the cavity beam is provided with electrical component mounting holes and controller mounting holes, the power mounting portion is provided with a power device mounting hole, the C-shaped cavity opening below the crossbeam at the steering column mounting portion is an air inlet, the rear end of the rear fork mounting portion is an air outlet, and a raised seat mounting seat and a shock absorber fixing seat are provided above the crossbeam.

[0008] It is further defined that the frame is made of a metal casting alloy;

[0009] It is further defined that the two-wheeled vehicle is an electric vehicle and the power device is an electric motor;

[0010] It is further defined that the two-wheeled vehicle is a motorcycle and the power unit is an engine;

[0011] It is further defined that the electrical parts include a rectifier, a starter and a flasher;

[0012] It is further defined that the controller includes a heat conducting surface, and the heat conducting surface contacts the inner wall of the cavity when installed;

[0013] It is further defined that the rear fork mounting portion includes a left leg arm and a right leg arm.

[0014] The present invention has the following beneficial effects compared with the prior art:

[0015] 1. The one-piece casting process creates a beautiful frame with consistent mounting holes across batches, making installation easy. Furthermore, the heat conduction is seamless, which can extend the heat dissipation effect of power components, satisfying both structural connection and overall heat dissipation.

[0016] 2. Good heat dissipation effect.

[0017] 3. Metal casting alloy is not easy to deform and has good overall rigidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic top view of the present invention;

[0019] Figure 2 It is a schematic front view of the present invention;

[0020] Figure 3 This is a bottom view schematic diagram of a two-wheeled vehicle frame of an electric vehicle according to the present invention;

[0021] Figure 4 It is a schematic perspective view of the present invention;

[0022] Figure 5 The two-wheeled vehicle of the present invention is a bottom view schematically showing a motorcycle frame;

[0023] The corresponding markings in the figure are: 1-steering column mounting part, 2-cross beam, 3-left leg arm, 4-right leg arm, 5-controller mounting hole, 6-seat mounting seat, 7-shock absorber fixing seat, 8-rectifier mounting hole, 9-power unit mounting hole, 10-starter mounting hole, 11-flasher mounting hole. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0025] Example 1:

[0026] like Figure 1-Figure 4The illustrated embodiment shows an integrally cast two-wheeled vehicle frame, wherein the two-wheeled vehicle is an electric vehicle, and the power device is an electric motor. The frame is made of a metal casting alloy, which is not easily deformed and has good overall rigidity. The frame made by the integral casting process is beautiful, and the mounting holes have batch consistency, which is convenient for installation; and the heat conduction has no breakpoints, which can expand the heat dissipation effect of the power device, satisfying both the structural connection function and the overall heat dissipation function; the frame is provided with a rear fork mounting part, a power mounting part and a steering column mounting part 1 in sequence from bottom to top, the rear fork mounting part includes a left leg arm 3 and a right leg arm 4, and the power mounting part and the steering column mounting part are provided in the embodiment of the present invention. There is a crossbeam 2 between the mounting parts 1, and the crossbeam 2 is a C-shaped cavity beam with an opening at the bottom in cross section. The inner wall of the cavity of the cavity beam is provided with a mounting hole 5 for the controller, and the controller is installed on the frame. The controller includes a heat-conducting surface, which contacts the inside of the cavity during installation to facilitate better heat dissipation. A power device mounting hole 9 is provided at the power mounting part, and the motor is installed in the power device mounting hole 9. The C-shaped cavity opening below the crossbeam 2 at the steering column mounting part 1 is an air inlet, and the rear end of the rear fork mounting part is an air outlet. A raised seat mounting seat 6 and a shock-absorbing fixing seat 7 are provided above the crossbeam 2.

[0027] Example 2:

[0028] like Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 The frame of a two-wheeled vehicle is formed by one-piece casting, wherein the two-wheeled vehicle is a motorcycle, the power device is an engine, and the electrical components are a rectifier, a starter and a flasher. The frame is made of a metal casting alloy, which is not easy to deform and has good overall rigidity. The frame made by the one-piece casting process is beautiful, and the mounting holes have batch consistency, which is convenient for installation; and the heat conduction has no breakpoints, which can expand the heat dissipation effect of the power device, satisfying both the structural connection function and the overall heat dissipation function; the frame is provided with a rear fork mounting portion, a power mounting portion and a steering column mounting portion 1 in sequence from bottom to top, and the rear fork mounting portion The part includes a left leg arm 3 and a right leg arm 4. There is a crossbeam 2 between the power mounting part and the steering column mounting part 1. The crossbeam 2 is a C-shaped cavity beam with an opening at the bottom in cross section. The inner wall of the cavity beam is provided with a rectifier mounting hole 8, a starter mounting hole 10 and a flasher mounting hole 11. The power mounting part is provided with a power device mounting hole 9, and the engine is installed in the power device mounting hole 9. The C-shaped cavity opening below the crossbeam 2 at the steering column mounting part 1 is an air inlet, and the rear end of the rear fork mounting part is an air outlet. A raised seat mounting seat 6 and a shock absorber fixing seat 7 are provided above the crossbeam 2.

[0029] The above describes in detail the one-piece cast two-wheeled vehicle frame provided by the present invention. The description of the specific embodiments is intended only to facilitate understanding of the method and core concepts of the present invention. It should be noted that those skilled in the art will appreciate that various improvements and modifications may be made to the present invention without departing from the principles of the present invention, and such improvements and modifications are also within the scope of protection of the claims.

Claims

1. An integrally cast two-wheeled vehicle frame, wherein the frame is provided with a rear fork mounting portion, a power mounting portion, and a steering column mounting portion in order from bottom to top, and a crossbeam is provided between the power mounting portion and the steering column mounting portion, characterized in that: The crossbeam is a C-shaped cavity beam with an open bottom in cross section. The inner wall of the cavity beam is provided with mounting holes for electrical parts and a mounting hole for a controller. The controller is installed on the vehicle frame. The controller includes a heat-conducting surface, which contacts the inside of the cavity during installation. The electrical parts and the controller are installed in the cavity. A power device mounting hole is provided at the power mounting portion. The power device is a motor or an engine. The motor or engine is installed in the power device mounting hole. The C-shaped cavity opening below the crossbeam at the steering column mounting portion is an air inlet, and the rear end of the rear fork mounting portion is an air outlet. A raised seat mounting seat and a shock-absorbing fixing seat are provided above the crossbeam.

2. The integrally cast two-wheeled vehicle frame according to claim 1, characterized in that: The frame is made of metal casting alloy.

3. The integrally cast two-wheeled vehicle frame according to claim 1, characterized in that: The rear flat fork mounting portion includes a left leg arm and a right leg arm.

4. The integrally cast two-wheeled vehicle frame according to claim 1, characterized in that: The electrical components include a rectifier, a starter and a flasher.

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