JPH04502133A - Improved three-wheeled vehicle for general touring and sports use. - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Introducing an improved three-wheeled vehicle for general touring and sports use The present invention provides a three-wheel automatic vehicle characterized by having two steering front wheels and one driving rear wheel. It's about cars. The above drive wheels are driven via a single arm swing fork. The power transmission device is a chain transmission type or It is a shaft transmission type. All three wheels have shock absorbers It has an independent suspension. This vehicle has a unique ratio of wheelbase and tread, and arrangement, unique rear suspension engine, and especially the relationship with the bike-type engine. , and even a reverse gear is installed on one of the front wheels, making it extremely It boasts high vertical and horizontal stability.

Various models of three-wheeled vehicles with one driving wheel in the front or rear wheel are well known. However, most conventional models, whether front-wheel drive or rear-wheel drive, All have various problems with lateral stability when cornering and are susceptible to centrifugal forces. Shows more tendency to fall. This shortcoming is primarily due to its technical nature and design. Problems with “idea”: high center of gravity, too large for the wheelbase tread, suspension type, side-by-side seating arrangement, and incorrect weight distribution. This is due to the Due to the above problems, conventional vehicles are unable to drive at high speeds. Its use is primarily limited to low-speed vehicles for urban services.

In contrast, the purpose of the improved vehicle proposed by the present invention is to be fast, safe and especially high-end. The object of the present invention is to eliminate all of the above-mentioned drawbacks by providing a vehicle with excellent speed stability.

In fact, the problems that arise due to an improper wheelbase-to-tread ratio are has been resolved. The wheelbase is preferably 1.70 in tread (mm). However, many say that it should be equal to the value multiplied by a factor between 1.50 and 1.80. tests have shown. This coefficient is a constant value, and as a function of the vehicle dimensions, Change the wheelbase and tread size proportionally. As a result, when driving at high speed High lateral stability and directionality are achieved.

The rear wheels are mounted off-center from the vehicle's central axis.

That is, when the suspension is a single arm, the rear wheels are The heavier side, especially in the direction of the engine, needs to be repositioned by a certain distance, and , tires with a large cross-sectional surface area are used to improve grip on the road surface. ing.

The tandem arrangement of seats arranged in two vertical rows along the central axis of the vehicle allows for horizontal Stability has been improved and the roll center has been lowered. front The suspension includes a triangular upper arm, a lower arm, and a spring tassel. A type shock absorber is used in the center. Its length is the roll of the vehicle The decision has been made with appropriate consideration to the center. The rear suspension has Two shock absorbers are placed in a unique position to prevent the rear wheel from bouncing. It is equipped with a shaft transmission placed in relation.

In reality, this type of transmission installed in the bevel gear of the drive wheel is It is well known that there is a tendency to lift up both rear sides. at this time The shock absorber is not in a compressed state and cannot operate, but on the contrary, it is in an expanded state. This causes the drive wheels to bounce and become skidded, resulting in poor directional control. will have a negative effect on

To eliminate this drawback, use two shock absorbers with different calibration amounts. It is necessary to use Both have rLJ-shaped rotors that rotate according to the magnitude of the force they receive. The main shock absorber is connected vertically to the shock absorber, and the second Shock absorbers must be placed horizontally. Main shot while driving Quad absorbers are used for spring effect purposes and operate in a compressed state. do. During this time, the second shock absorber does not operate. When starting or adding At high speeds, the main shock absorber acts on the shaft transmission. Stretch more. When the main shock absorber reaches the end of its stroke, rLJ type The lever begins to rotate in the direction of the second absorber, and the second absorber The main absorber is compressed and operates to offset the stiffness of the main absorber, thereby causing the drive wheels to bow. This prevents the user from being exposed. The reverse gear, which is extremely important for three-wheeled vehicles, is This is realized by chain transmission means. sprocket gear The equipped electric motor is driven by a sprocket hook that is keyed to the axle shaft. Power is transmitted to the eel via a chain. Above, constant velocity universal Shirai The transmission axle shaft equipped with a installed on.

An electromechanical device allows the electric motor to run only when the main engine is idling. The motor is activated and transmits power to the wheels. The above electric motor has suitable control means It also functions as a parking brake as it can be blocked by do. The top cover installed on this tricycle faces the opposite side of the entrance. It can be opened up to a maximum of 90° and can be completely removed for summer use. It can be removed. Allows occupants to easily escape from the vehicle in the event of a vehicle overturn or accident. A mechanical device connects the top cover to its hinges so that it can be moved.

This device can be operated by means of a lever from inside or outside the vehicle. vehicle Regarding the body structure of the Front and rear bonnets that can be opened upward and sideways in the direction of travel. The cut is installed. For the water-cooled engine, the front bonnet has A front opening is provided for cooling air intake. Air passed through the radiator After that, there is an erected area in front of the windshield that functions as a baffle. It is released into the atmosphere through a central aperture with an aperture.

The above and other functional and design features of the three-wheeled vehicle according to the present invention are as follows: For better understanding, please refer to the illustrations included in the drawings attached to this document. can. Note that the present invention is not limited to the examples shown in the attached drawings.

FIG. 1 is a diagram showing a three-wheeled vehicle complete with the main structural parts of the body.

FIG. 2 is a diagram showing the opening directions of the front bonnet and the rear bonnet.

FIG. 3 is a diagram showing the passage of cooling air.

FIG. 4 is a diagram showing the chassis structure of a three-wheeled vehicle.

FIG. 5 is a diagram showing the operating mechanism of the reverse gear.

Figures 6 and 7 are diagrams showing the kinematic system of the rear suspension in its operating state. be.

Figure 8 shows the suspension base of the three wheels of a tricycle and the wheelbase to tread ratio. It is a diagram showing a system related to calculation.

Figure 9 shows an upper side-opening top cover with a quick removal mechanism. It is. , especially regarding the above drawings, first of all, please refer to the book shown in Figure 1 on the first page of the drawings. The vehicle according to the invention includes a front bumper (1), a front bonnet (2), Left and right mudguard/front bonnet connections (3), rear engine bonnet Main body parts (4) and top cover (5) that can be opened from the upper side are included. This can be observed. Bonnets (2) and (4) are in the front, i.e. in the direction of travel of the vehicle. It opens upward and laterally towards the front, and is hinged at parts (7) and (8).

Enter from the front air inlet (7) provided in the bumper (1), and Air outlet (5) installed in front of the windshield on the bonnet. Cooling of the radiator is effected by means of air exiting from the radiator. air outlet The front edge has a front edge shaped to act as a baffle. drawing Figure 4 on page 2 shows the tubular structure of the chassis in side view A and top view B. C is a reinforcing tie rod. Regarding dimensions, drawings are for illustration purposes only. It's just a thing. The structural material is metal sections with different cross-sectional surface areas It's a bar. In Figure 5 on page 3 of the drawings, the reverse gear transmission system is The stem includes an electric motor B, which is fixed to a motor support A. Ru. Electric motor B is connected to a constant velocity universal motor through chain C and sprocket gear F. -Transmits power to shaft E to which salge joint D is attached.

In order to obtain the spring effect of the wheel, one end of the shaft E is attached to a floating bearing means G. Therefore, it is attached to the chassis. Figure 6 on page 4 of the drawings shows the rear suspension. This shows the kinematic system of shock absorption in the The rear suspension , consists of several elements that operate as follows.

In the rest position, the rocker lever H is parallel to the ground and the suspension arm is It is separated by a distance A from the team.

This distance is adjusted by adjustable stop support means.

The above rocker lever H is hinged to the swing arm at a fixed point E. Ru. In this case, the main shock absorber C is in a compressed state. The second shock absorber is in the neutral position and has a length N. 2 The book shock absorber connects to the chassis at points G and F at the ends, respectively. The chassis is fixed integrally, and the ground clearance of the chassis is indicated by B.

The chassis has a tendency to lift up, and at this time distance B increases and the shock absorber The bar 〇 is extended to its maximum length. When this happens, rocker lever H due to mechanical reaction, pivots upward and sideways by a value of A° and pressurizes the shock absorber / Shock absorber D gradually offsets the expansion of shock absorber C. do. Finally, the suspension arms, and eventually the wheels, are The reaction force of the sober is not applied directly but through the rocker lever■, and the vertical The directional force and the horizontal force will gradually balance out. For stability, The distance between the two front wheels, i.e. the tread, and the distance between the front and rear wheels, i.e. the wheel. It is important to calculate on a base basis. In our own case, a three-wheeled vehicle can In other words, considering that X: rear wheel, Y, Z: two front wheels are in contact with the ground. calculations are being carried out. First, after determining the size of the tread, add 1.5 to that value. Just multiply the wheelbase by 0 to 1.80, preferably 1.70 (constant coefficient). The value of is calculated. Obviously, the above values will vary depending on the size of the vehicle, but Even in that case, both will be in a mutually proportional relationship with a certain ratio.

A special case with an engine with a shaft transmission and one single arm For example, or if the engine is mounted off-center of the vehicle, If the left and right weight balance is different, the center of the rear wheel is It must be moved by a distance rXJ in the same direction as a certain point. Such departure The view is of fundamental importance, as well as when the center of gravity is accurately located in the center. According to the present invention, it is possible to make left and right turns of the vehicle in exactly the same way. It forms an integral part of other technical features of the vehicle. Figure 9 on page 7 of the drawing The top cover shown in can be opened upward and sideways towards the opposite side of the entrance/exit. A lock is provided to enable this. This lock has a hanger inside the car. A dollar L is provided with an external handle H outside the vehicle. When you turn these handles , the lock pin F enters the hole in the support G that is integrated with the top cover, and the top cover Lock the bar.

In the special case of the drawing, when the handle is turned down, the top cover opens and the hand Turn the top cover upward to lock the top cover. In an emergency, completely remove the top cover. The vehicle also has a quick-release safety lock on the cover that can be removed. - is provided on the opposite side from the side where it is opened. This safety lock has two hands. An internal handle (A) and an external handle (B) are provided. child With the safety lock, the top cover can be opened by operating two rods (C) and (E). The hinge support (D), which is the pivot point, is locked. The above support is attached to the chassis. The lower side is locked by rods (C) and (E). this A top cover is hinged to the upper side of the support by means of pins (M). . When the above handle is turned downward, the rods (C) and (E) will come out of the holes and the rods (C) and (E) will come out of the support body. the support is removed together with the top cover. The above drawings and From the foregoing disclosure, it is clear that the practical and Be able to understand functional and highly valuable features. These valuable features are the whole This forms the organic design that is the object of this invention.

Submission of translation of written amendment (Article 184-8 of the Patent Law) March 20, 1991

Claims (8)

[Claims] 1. An improved three-wheeled vehicle for general use in touring and sports, which has a steering wheel. It has two front wheels that function as wheels and one rear wheel that functions as a driving wheel. is of shaft transmission type or chain transmission type. Coupled to the engine via a single-arm rocking fork with transmission In addition, the chassis structure, seat arrangement according to tandem arrangement, wheelbase Unique ratio to tread, two shock absorbers operated via rocker levers rear suspension with a bar, a reverse gear mounted on one of the front wheels, and and an upper side-opening top cover that can be completely removed from the vehicle. A three-wheeled vehicle characterized by high stability. 2. Front bonnet, rear bonnet, bumper, lower mudguard connection part It has a multi-component body consisting of an upper side-opening top cover. , a claim characterized in that the bonnet is inclined in the same direction as the traveling direction of the vehicle. The three-wheeled vehicle described in Item 1. 3. The chassis structure consists of suitably welded and reinforced metal section bars. The two seats in the vehicle are arranged vertically in a tandem arrangement. The three-wheeled vehicle according to claim 1, characterized in that: 4. The above is achieved by a chain transmission powered by an electric motor. Claim 1 characterized in that a reverse gear acting on one of the front wheels is employed. The three-wheeled vehicle mentioned. 5. The kinematic system of the rear suspension actuation consists of two shock absorbers. Sorber i.e. main shock absorber and second horizontal shock absorber each absorber has one end connected to the chassis and the other end connected to the suspension. It is attached to an L-shaped rocker lever that is hinged to the swing arm of the In particular, during acceleration, the shock absorber Reciprocally distributes contrasting forces evenly and proportionally to the rocker lever hinge connection point. 2. The three-wheeled vehicle according to claim 1, wherein the three-wheeled vehicle is offset by two or more offsets. 6. When calculating the wheelbase length, first determine the tread size provisionally, Multiply this by a value between 1.50 and 1.70, preferably 1.70, and then add In order to offset the unfavorable unbalance towards the overload side when of the center of the rear wheel being moved in the same direction as this asymmetrical load exists. Claim 1, characterized in that the wheel length is finally determined by calculating the amount of movement. tricycle. 7. Equipped with a top cover that opens upward and sideways, especially for use in emergencies. It is installed on the right or left side of the chassis and the handle for its operation is inside the vehicle. The external lock provides a pivot point when opening the top cover. A specific device that allows the top cover hinge to be completely removed The three-wheeled vehicle according to claim 1 or 2, further comprising: a three-wheeled vehicle. 8. Extremely high safety for touring and sports use according to said claims and the interdependent characteristics mentioned above to ultimately provide a three-wheeled vehicle with characteristics of stability and stability. and further incorporated herein by reference in the disclosure and drawings of the invention and attached to this patent application. A three-wheeled motorcycle characterized in that the whole is disclosed and illustrated in detail in the drawings. moving car.