CN107284582B - motorcycle frame - Google Patents

Abstract

A motorcycle frame includes a main pipe unit, two side pipe units, and a reinforcement unit. Each side pipe unit includes a main side pipe connected to the main pipe unit, and a secondary side pipe connected to the main side pipe. The reinforcement unit includes a central reinforcement pipe connected to the main pipe unit, and a first reinforcement pipe connected to the central reinforcement pipe. The central reinforcement pipe has a first connection end connected to the main pipe unit, and a second connection end connected to the first reinforcement pipe. By utilizing the design that the height of the second connection end of the central reinforcement pipe relative to the ground is higher than the height of the secondary side pipe relative to the ground, the space below the first reinforcement pipe and between the main side pipes of the side pipe unit can be fully utilized to improve space utilization.

Description

motorcycle frame

technical field

The present invention relates to a frame, in particular to a motorcycle frame.

Background technique

Referring to Figures 1, 2, and 3, the "Sukeda motorcycle frame" disclosed in Chinese patent publication CN201291965 includes a head pipe 11 and a main pipe unit 12 extending downward from the head pipe 11, and the two are respectively connected to The side pipes 13 on both sides of the main unit 12 and two reinforcing pipes 14 are respectively connected with the side pipes 13 .

The main pipe unit 12 has a main pipe 121 connected to the head pipe 11 , and a connecting pipe 124 connected to one end of the main pipe 121 opposite to the head pipe 11 and two opposite ends are respectively connected to the side pipes 13 . Each side pipe 13 has a lower extension section 131 connected to the main pipe 121 and extending downward, a horizontal section 132 extending substantially horizontally, and an upper extension section 133 extending backward and upward from the horizontal section 132 . Two ends of the reinforcing pipe 14 are respectively connected to the lower extension section 131 and the upper extension section 133 of each side pipe 13 , and are substantially parallel to the horizontal section 132 .

The main pipe 121 has a first connection end 122 connected to the head pipe 11 , and a second connection end 123 opposite to the first connection end 122 and connected to the connection pipe 124 . Two ends of the connecting pipe 124 are connected to the horizontal sections 132 of the side pipe 13 respectively.

Since the second connecting end 123 is lower than the reinforcing pipe 14 , the space between the reinforcing pipe 14 and the horizontal section 132 of each side pipe 13 cannot be used to place the fuel tank 100 (only shown in FIG. 3 ) , the fuel tank 100 must be reduced in volume and installed between the main pipe 121 and the lower extension 131 of the side pipe 13 , resulting in a waste of space.

SUMMARY OF THE INVENTION

Therefore, the purpose of the present invention is to provide a motorcycle frame that can fully utilize the space.

Therefore, the motorcycle frame of the present invention includes a main pipe unit, two side pipe units respectively connected to the left and right sides of the main pipe unit, and a reinforcement unit connected to the main pipe unit.

Each side pipe unit includes a main side pipe connected to the main pipe unit, and a secondary side pipe connected to the main side pipe, the main side pipe has a lower extension extending downward from the main pipe unit, a The lower extension section is generally a straight section extending horizontally and backward, and an upper extension section extending backward and upward from the straight section. Two ends of the secondary side pipe are respectively connected to the lower extension section and the upper extension section. The extended section is spaced from the straight section.

The reinforcement unit includes a central reinforcement pipe connected to the main pipe unit and extending downward, and a first reinforcement pipe connected to an end of the central reinforcement pipe opposite to the main pipe unit. The central reinforcement pipe has a first connection end connected to the main pipe unit, and a second connection end opposite to the first connection end and connected to the first reinforcement pipe, and the two opposite sides of the first reinforcement pipe The end is connected with the main side pipe, and the height of the second connection end of the central reinforcing pipe relative to the ground is higher than the height of the secondary side pipe relative to the ground.

In the motorcycle frame of the present invention, the main pipe unit includes a head pipe and a groove connecting mechanism connecting the head pipe and the central reinforcing pipe, and the side pipe unit is connected to the left and right sides of the groove connecting mechanism. two sides, and the first connecting end of the central reinforcing pipe is connected to the head pipe.

In the motorcycle frame of the present invention, the reinforcing unit further includes two reinforcing pieces respectively connecting the secondary side pipes of each side pipe unit and the first reinforcing pipe.

In the motorcycle frame of the present invention, the reinforcing unit further comprises a reinforcing plate connected to the straight section of the main side pipe of the side pipe unit, and the reinforcing plate is a flat plate connected to the main side pipe. The straight section faces the side of the ground, and the reinforcing plate, the first reinforcing pipe and the straight section of the main side pipe of the side pipe unit cooperate to define an installation space.

In the motorcycle frame of the present invention, the motorcycle frame further includes an accommodating unit, and the accommodating unit includes a hollow fuel tank installed in the installation space, and a hollow fuel tank connected to the fuel tank and protruding from the fuel tank. The oil inlet between the lower extension section of the main side pipe of the side pipe unit and the central reinforcement pipe of the reinforcement unit.

In the motorcycle frame of the present invention, the first reinforcing pipe is generally in an inverted U-shape, and two opposite ends are straight sections respectively connected to the main side pipes of the side pipe units.

In the motorcycle frame of the present invention, the groove connecting mechanism of the main pipe unit includes a main body connected to the head pipe and a groove connecting piece connected to the main body, and the side pipe unit is connected to the left and right sides of the main body. two sides, and the central reinforcing pipe is connected in the slot joint.

In the motorcycle frame according to the present invention, the height of the second connecting end of the central reinforcing pipe relative to the ground is higher than the design of the height of the secondary side pipe of the side pipe unit relative to the ground, which can fully The space between the lower part of the first reinforcing pipe and the straight section of the main side pipe of the side pipe unit is used to improve the space utilization.

In the motorcycle frame according to the present invention, the structural strength of the head pipe can be improved by connecting the head pipe and the central reinforcing pipe by the groove connection mechanism.

In the motorcycle frame according to the present invention, the first reinforcement pipe and the first reinforcement pipe can be lifted by using two reinforcement members respectively connecting the auxiliary side pipe of each side pipe unit and the first reinforcement pipe. The bond strength of the secondary side tube.

In the motorcycle frame according to the present invention, using the reinforcing plate connecting the straight section of the main side pipe of the side pipe unit can not only improve the strength of the main side pipe of the side pipe unit but also protect the side pipe unit. tank.

In the motorcycle frame according to the present invention, the hollow fuel tank is installed in the installation space, and the fuel inlet is protruded from the lower extension of the main side pipe of the side pipe unit and the supplementary The central reinforced pipe room of the strong unit can fully utilize the space to improve the space utilization.

Description of drawings

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, wherein:

Fig. 1 is a top view illustrating the patent of "Sukeda motorcycle frame" disclosed in Chinese patent publication CN201291965;

Fig. 2 is a side view to assist in explaining the form of the connecting pipe and the reinforcing pipe in Fig. 1;

Fig. 3 is another side view illustrating the state of the patent "Sukeda Motorcycle Frame" disclosed in Chinese Patent Publication CN201291965;

4 is a perspective view illustrating an embodiment of a motorcycle frame of the present invention;

FIG. 5 is a side view to assist in illustrating the configuration of the main pipe unit and the side pipe unit in FIG. 5; and

FIG. 6 is another side view to assist in explaining the position of the accommodating space in this embodiment.

Detailed ways

4 , 5 and 6 , the embodiment of the motorcycle frame of the present invention includes a main pipe unit 2 , two side pipe units 3 connected to the left and right sides of the main pipe unit 2 , and one side pipe unit 3 connected to the main pipe unit 2 The reinforcing unit 4, and an accommodating unit 5.

The main unit 2 includes a head tube 21 for pivoting a handle 200 , and a slot mechanism 22 connecting the head tube 21 and the reinforcing unit 4 . The slot connection mechanism 22 includes a main body 221 connected to the head tube 21 , and a slot connection piece 222 connected to the main body 221 . For convenience of description, the handle 200 is only shown in FIG. 5 .

The side pipe units 3 are connected to the left and right sides of the main body 221 of the groove connecting mechanism 22 , and each side pipe unit 3 includes a main side pipe 31 connected to the groove connecting mechanism 22 of the main pipe unit 2 , and a connecting pipe 31 . The secondary side pipe 32 provided in the primary side pipe 31 .

The main side pipe 31 has a lower extension section 311 extending downwardly from the groove connecting mechanism 22 of the main pipe unit 2, a straight section 312 extending rearwardly substantially horizontally from the lower extension section 311, and a The straight section 312 is an upper extension section 313 extending backward and upward. Two ends of the secondary side pipe 32 are respectively connected to the lower extension section 311 and the upper extension section 313 and are spaced from the straight section 312 .

The reinforcement unit 4 includes a central reinforcement pipe 41 connected to the head pipe 21 of the main pipe unit 2 and extending downward, a central reinforcement pipe 41 connected to an end of the central reinforcement pipe 41 opposite to the main pipe unit 2 and having a generally inverted U shape A font-shaped first reinforcing pipe 42 , two reinforcing pieces 43 connecting the secondary side pipes 32 of each side pipe unit 3 and the first reinforcing pipe 42 laterally, and a connecting side pipe unit 3 . The reinforcement plate 44 of the straight section 312 of the main side pipe 31 .

The central reinforcing pipe 41 is connected to the groove connection member 222 of the groove connection mechanism 22 and has a first connection end 411 connected to the head pipe 21 of the main unit 2 , and a first connection end 411 opposite to the first connection end 411 . The second connecting end 412 of the first reinforcing pipe 42 is connected. The two opposite ends of the first reinforcing pipe 42 are respectively connected to the straight sections 312 of the main side pipe 31 of the side pipe unit 3 , and the second connecting end 412 of the central reinforcing pipe 41 is relative to the ground G The height is higher than the height of the secondary side pipe 32 of the side pipe unit 3 relative to the ground G.

The reinforcing plate 44 is connected to the side of the straight section 312 of the main side pipe 31 facing the ground G, and the reinforcing plate 44 , the first reinforcing pipe 42 and the main side pipe 31 of the side pipe unit 3 are The straight sections 312 cooperate to define an installation space A.

The accommodating unit 5 includes a hollow oil tank 51 installed in the installation space A, and a lower extension section 311 communicating with the oil tank 51 and protruding from the main side pipe 31 of the side pipe unit 3 and the reinforcement The oil inlet 52 between the central reinforcement pipes 41 of the unit 4.

Since the height of the second connecting end 412 of the central reinforcement pipe 41 relative to the ground G is higher than the height of the secondary side pipes 32 of the side pipe unit 3 relative to the ground G, the first reinforcement at the first reinforcement can be fully used The space between the lower part of the pipe 42 and the straight section 312 of the main side pipe 31 of the side pipe unit 3 improves the space utilization.

To sum up, the motorcycle frame of the present invention utilizes the height of the second connecting end 412 of the central reinforcing tube 41 relative to the ground G, which is higher than the height of the secondary side tube 32 of the side tube unit 3 relative to the ground G The design can fully utilize the space between the lower part of the first reinforcing pipe 42 and the straight section 312 of the main side pipe 31 of the side pipe unit 3 to improve the space utilization, so it can indeed achieve the purpose of the present invention .

In addition, connecting the head pipe 21 and the central reinforcing pipe 41 by the groove connecting mechanism 22 can improve the structural strength of the head pipe 21 . By using two reinforcing pieces 43 connecting the secondary side pipe 32 of each side pipe unit 3 and the first reinforcing pipe 42 respectively, the combination of the first reinforcing pipe 42 and the secondary side pipe 32 can be improved. strength. Reusing the reinforcing plate 44 connecting the straight section 312 of the main side pipe 31 of the side pipe unit 3 can not only improve the strength of the main side pipe 31 of the side pipe unit 3 but also protect the fuel tank 51 . Finally, the hollow oil tank 51 is installed in the installation space A, and the oil inlet 52 is protruded from the lower extension 311 of the main side pipe 31 of the side pipe unit 3 and the center of the reinforcement unit 4 Between the reinforcing pipes 41, the space can be further fully utilized to improve the space utilization.

The above descriptions are only the embodiments of the present invention, which cannot limit the scope of the present invention. All simple equivalent changes and modifications made according to the claims of the present invention and the contents of the patent specification still belong to the patent of the present invention. within the scope of coverage.

Description of reference numerals

2 Main pipe unit 311 lower extension

21 Head tube 312 Straight section

22 Slot connection mechanism 313 Upper extension

221 Main body 32 Secondary side pipe

222 Groove fitting 4 Reinforcing unit

3 Side pipe unit 41 Central reinforcement pipe

31 Main side pipe 411 First connection end

412 Second connection 51 Fuel tank

42 The first reinforcing pipe 52 The oil inlet

43 Reinforcements 200 Handles

44 Reinforcing plate G Ground

5 accommodating unit A installation space

Claims (5)

1. A motorcycle frame comprising: a main unit; Two side pipe units are respectively connected to the left and right sides of the main pipe unit, each side pipe unit includes a main side pipe connected to the main pipe unit, and a secondary side pipe connected to the main side pipe. The side pipe has a lower extending section extending downward from the main pipe unit, a straight section extending rearwardly from the lower extending section substantially horizontally, and an upper extending section extending rearwardly and upwardly from the straight section , the two ends of the secondary side pipe are respectively connected to the lower extension section and the upper extension section and are spaced apart from the straight section; and A reinforcement unit, comprising a central reinforcement pipe connected to the main pipe unit and extending downward, and a first reinforcement pipe connected to an end of the central reinforcement pipe opposite to the main pipe unit, the central reinforcement pipe has A first connection end connected to the main pipe unit, and a second connection end opposite to the first connection end and connected to the first reinforcing pipe, and the two opposite ends of the first reinforcing pipe are connected to the main side The pipes are connected, and the height of the second connecting end of the central reinforcing pipe relative to the ground is higher than the height of the secondary side pipe relative to the ground; The reinforcing unit further includes a reinforcing plate connected to the straight section of the main side pipe of the side pipe unit, the reinforcing plate is connected to the side of the straight section of the main side pipe facing the ground, and the reinforcing plate , The first reinforcing pipe cooperates with the straight section of the main side pipe of the side pipe unit to define an installation space, The main pipe unit includes a head pipe, and a groove connecting mechanism connecting the head pipe and the central reinforcing pipe. The groove connecting mechanism includes a main body connecting the head pipe and a groove connecting piece connecting the main body, and the side pipe unit is connected to the main body. The left and right sides of the main body of the slotting mechanism are connected, and the first connecting end of the central reinforcing pipe is connected to the head pipe. 2 . The motorcycle frame as claimed in claim 1 , wherein the reinforcing unit further comprises two reinforcing members respectively connecting the secondary side tubes of each side tube unit and the first reinforcing tube. 3 . 3 . The motorcycle frame of claim 1 , further comprising an accommodating unit, the accommodating unit comprising a hollow fuel tank installed in the installation space, and a protruding fuel tank connected to the fuel tank. 4 . An oil inlet between the lower extension section of the main side pipe of the side pipe unit and the central reinforcement pipe of the reinforcement unit. 4 . The motorcycle frame as claimed in claim 1 , wherein the first reinforcing pipe is generally in an inverted U-shape and two opposite ends are straight and are respectively connected to the main side pipes of the side pipe unit. 5 . part. 5 . The motorcycle frame as claimed in claim 1 , wherein the central reinforcing pipe is connected to the groove connector. 6 .

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