TWI243129B - Motorcycle - Google Patents

Abstract

A motorcycle, including: a heat tube; a front suspension system connected to the head tube; a front wheel connected to the front suspension system; a suspension link mechanism; and a frame structure. The frame structure includes: a main tube; a first lateral tube and a second lateral tube, all extending from the head tube to the suspension link mechanism, wherein the first and second lateral tubes are each provided to opposing sides of the main tube, and the first and second lateral tubes are closer to the front wheel than the main tube is, and form a triangular, structural cross-section with the main tube.

Description

1243129 V. Description of the invention α) [Technical field to which the invention belongs] The present invention relates to a locomotive, and in particular to a frame structure of a locomotive. [Prior art] The frame structure of a conventional locomotive is shown in Fig. 1. The frame structure 1 includes a head pipe 11, a main pipe 12, and a main body 14. The head pipe 11 is connected to the main body 14 through only one main pipe 12. . Such a frame structure 1 is suitable for a light locomotive, and its disadvantages are that the overall frame structure 1 has low strength and poor rigidity. The frame structure of another type of locomotive is shown in Fig. 2. The frame structure 2 includes a head pipe 21, two main pipes 22, two side pipes 23, and a main body 24. One end of the head pipe 21 is connected to two main pipes 22, and the other end is connected to two. Only the side pipes 23, the two main pipes 22 and the two side pipes 23 are connected to the main body 24, respectively. This frame structure 2 is suitable for heavy-duty locomotive. The disadvantages are that the frame structure 2 has many parts, heavy weight and high manufacturing cost. [Summary of the Invention] Therefore, the object of the present invention is to solve the above problems and provide a locomotive, which can greatly improve the overall strength and rigidity of the frame structure without increasing the weight of the frame. The locomotive of the present invention mainly includes a head pipe, a front suspension suspension system, a front wheel, a suspension link mechanism, and a frame structure. The front suspension suspension system is connected to the head pipe, and the front wheel is connected to the front suspension suspension. Hanging system. The above frame structure includes a main pipe, a first side pipe and a second side pipe.

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The first, second, and second side pipes are connected by the head pipe extension link mechanism. The first and second side pipes are arranged on the upper and two sides, and the first and second side pipes are more than the above. The main pipe is closer to the last two rounds and forms a triangular structural cross section with the main pipe. In the present invention, the frame structure further includes a plurality of = and the first and second side pipes. The above optional structures can be: magistrate-like or plate-like. In the present invention, a fuel tank space is further formed between the main pipe and the first and second side pipes to accommodate a fuel tank. In the present invention, it further includes a rear wheel and a rear suspension suspension system, wherein the rear suspension suspension system is connected to the frame structure and the upper rear wheel. In the present invention, a power unit is further included, which is connected to the frame structure through the suspension link mechanism. In the present invention, it further includes a pad and a pad support frame, wherein the seat cushion support frame is connected to the seat cushion and the frame structure. In the present invention, it further includes a storage box space formed between the seat support frame and the seat cushion for containing an article. In the present invention, a handlebar steering system is further included to connect the head tube in a rotatable manner. ★ In order to make the above and other objects, features, and advantages of the present invention more obvious and easy to understand ', specific preferred embodiments are enumerated below, and described in detail with reference to the accompanying drawings.

1243129 V. Description of the invention (3) [Embodiment] The following describes the details of each form disclosed in the present invention with specific examples. Please refer to Figs. 3 and 4, Fig. 4_3 shows the locomotive 2 of the present invention: Λ shows the locomotive of the present invention, wherein the frame structure of the car is a schematic diagram. …, FIG. 4 shows the machine 41 of the present invention. If ’1 d f3’ the locomotive of the present invention mainly includes-head pipe 2 4 !, optional structure 44, front suspension suspension system 45,

j. Front brake system 47, handlebar steering system 48, power unit 49, H50, rear brake system 51, suspension link mechanism 52, rear suspension suspension system 3, seat support frame 54, seat 55, and Fuel tank space 56. Among them, the above-mentioned frame structure mainly includes a main pipe 42, a first side pipe 43, and two side pipes 43 '. The system 45 of the present invention is connected to the front system 47. The locomotive is installed on the moving frame structure. The front side has the head tube 4 i on the front side of the locomotive with the empty seat box 55 and the rear side. The handlebar steering system is installed below the suspension suspension system 4 5. 4 8 has a rotatable rear side with a power unit 49, a rear side of the rear force unit 49, and is suspended and located at the front side of the power unit 4 9 with a suspension link mechanism 5 2 and a vehicle through a rear suspension suspension system 53 A seat cushion is provided above the early element 49. In addition, between the seat cushion 55 and the seat cushion (not shown in the figure), a front wheel 4 6 method and a head tube wheel 50 and a rear brake link mechanism 5 2 can be provided. 'Therefore, the moving frame structure is connected to the frame structure supporting frame 5 4 and the t frame 5 4 is placed with articles. Suspension suspension and above the front brake 41 The car system 51 is installed in the force unit 49, and the power unit is connected. Can be used to support

0134-A205347W (N2); 93-T〇P-l〇; cat.ptd

1243129 V. Description of the invention (4) Please refer to FIG. 4 again to describe the frame structure of the locomotive of the present invention in detail. The frame structure includes a main pipe 4 2, a first side pipe 43, and a second side pipe 4 3 ′, all of which extend from the head pipe 41 toward the suspension link mechanism 5 2, and the first side pipe 43 and the second side pipe 43. The side pipes 43 ′ are arranged on both sides of the main pipe 42, and the first side pipe 43 and the second side pipe 43 ′ are closer to the front wheel 46 than the main pipe 42. It can be seen from FIG. 4 that the main frame 4 of the frame structure of the locomotive of the present invention 4 2. The first side pipe 43 and the second side pipe 43 ′ are between the head pipe 41 and the suspension link mechanism 52. Form a triangular structural section. Furthermore, a plurality of support structures 44 may be provided on the main pipe 42, the first side pipe 43, and the second side pipe 43 'of the frame structure to reinforce the frame structure. These support structures 44 may be tubular or plate-shaped. In addition, a fuel tank space 56 (see FIG. 3 for cooperation) may be formed between the main pipe 42 of the frame structure, the first side pipe 43 and the second side pipe 43 ′ to accommodate a fuel tank (above) Not shown). · Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can still make some modifications and retouches without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

0134-A20534T ¥ F (N2); 93-T0P-10; cat.ptd Page 8 1243129 Brief description of the diagram Figure 1 shows a schematic diagram of the frame structure of a conventional locomotive; Figure 2 shows another conventional A schematic diagram of a frame structure of a locomotive; FIG. 3 is a schematic diagram showing a locomotive of the present invention; and FIG. 4 is a schematic view of a frame structure of a locomotive of the present invention. [Description of main component symbols] 1 ~ Frame structure 11 ~ Head tube 12 ~ Supervisor

14 ~ body 2 ~ frame structure 2 1 ~ head pipe 22 ~ main pipe 2 3 ~ side pipe 24 ~ main body 41 ~ head pipe 42 ~ main pipe 43 ~ first side pipe 43 '~ second side pipe

44 ~ support structure 4 5 ~ front suspension suspension system 46 ~ front wheel 4 7 ~ front brake system 4 8 ~ handlebar steering system

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0134-A20534TWF (N2); 93-TOP-10; cat.ptd

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Claims (1)

1243129 Six 'patent application scope1. A locomotive, including a head pipe; a front suspension suspension system connected to the head pipe; a front wheel' connected to the front suspension suspension system; a suspension link mechanism; and A car bar structure includes a main officer 'extending from the head pipe to the suspension link mechanism; a first side officer extending from the head pipe to the suspension link mechanism, and a first The side pipe extends from the head pipe to the suspension link mechanism, wherein. The first and second side pipes are arranged on both sides of the main pipe, and the second and second side pipes are closer to the forward loss than the main pipe, and form a cross-section of the structure with the main pipe. 2 · The locomotive as described in item 1 of Shenyan's patent scope, wherein the frame structure further includes a plurality of supporting structures, which are connected to the main pipe and the first and second side pipes. 3. The locomotive according to item 2 of the scope of patent application, wherein the support structure is tubular. The structure is 4 plates: the locomotive described in item 2 of the scope of patent application, wherein the supporting structure forms a second workshop, which is formed by the supervisor and a fuel tank. σ 5 · The locomotive described in Shi Shen w patent scope item 丨 further includes a fuel. Between the second side pipe for 6 · The locomotive described in the patent scope scope item 1 further includes 11th tribute 1243129 VI. Patent Application Wheel and a rear suspension suspension system, wherein the rear suspension suspension system is connected to the frame structure and the rear wheel. 7. The locomotive according to item 6 of the scope of patent application, further comprising a power unit connected to the frame structure through the suspension link mechanism. 8. The locomotive according to item 1 of the scope of patent application, further comprising a cushion and a cushion support frame, wherein the cushion support frame is connected to the cushion and the frame structure. 9. The locomotive as described in item 8 of the scope of patent application, further comprising a storage box space formed between the seat cushion support frame and the seat cushion for accommodating an item. 10. The locomotive as described in item 1 of the scope of patent application, further comprising a hand steering system for rotatably connecting the head pipe. 0134-A20534TWF (N2); 93-TOP-10; cat.ptd page 12