TWI380922B - Three-wheel motorized vehicle - Google Patents

Description

Three-wheeled motor vehicle

The invention relates to a motor vehicle and in particular to a three-wheeled motor vehicle.

A motorized vehicle is a vehicle that is driven by fuel or electricity, such as a common two-wheeled motor vehicle or a three-wheeled motor vehicle for disabled people. Generally, a two-wheeled motor vehicle is extremely slippery when it is turning on a slippery or scattered gravel road. When a three-wheeled motor vehicle is in a sharp corner or an emergency dodge, it is also easy to be like a truck or a tour bus. The danger of overturning.

It is quite unreliable and extremely difficult to avoid the danger of slipping or overturning through the experience and skill of the average driver. Due to different personal driving habits and experience, the reaction to different and unfamiliar roads is also different. Therefore, the car accident caused by the above reasons is still heard, which in turn causes loss of life and property of many families. In detail, some current motor vehicles often cause the front wheels to generate steering behavior that is not expected by the user when the road surface is uneven and the vehicle body is tilted. In addition, some current three-wheeled vehicles do not have a parking system for restricting the tilt of the vehicle body, so that the disabled person is liable to be dangerous due to the dumping of the vehicle body when the vehicle is stationary.

In view of this, some motor vehicles mostly use more complicated electronic sensors and drivers to improve the handling to improve the above-mentioned defects. However, such a motor vehicle is expensive and prone to failure, and can only become a high-end leisure toy for the rich, and can not truly become a perennial for the benefit of the disabled, or an easy-to-follow daily transportation.

The present invention provides a three-wheeled motor vehicle that achieves improved handling by a simple mechanism.

The invention provides a three-wheeled motor vehicle comprising a main body, a steering rod, two wheel seats, a first rod member, a second rod member and two front wheels. The steering rod is connected to the front end of the body. Each wheel seat of the two front wheels has a first pivot point, a second pivot point, and a ball joint. The two ends of the steering rod are respectively connected to the two ball joints. The two ends of the first rod are respectively pivotally connected to the two first pivot points in the horizontal direction. The two ends of the second rod are respectively pivotally connected to the two second pivot points in the horizontal direction. The second member is substantially parallel to the first member. The projections of the first first pivot point, the two second pivot points, and the two ball joints on the first plane in the vertical horizontal direction define a rectangle. The two first pivot points and the two ball joints are respectively located at the four vertices of the rectangle on the projection on the first plane, and the two second pivot points are respectively on the projection on the first plane, respectively located on the rectangle The opposite sides of the line. The two front wheel trains are respectively pivotally connected to the two wheel bases.

In an embodiment of the invention, each of the wheel bases includes a tilting member and a steering member. The tilting member has a first pivot point and a second pivot point. The steering member has a ball joint and a third pivot point, wherein the steering member is pivotally connected to the third pivot point with the third pivot point in a vertical direction substantially perpendicular to the horizontal direction, and corresponds to the previous wheel train The pivoting member is pivoted.

In an embodiment of the invention, the body comprises a body and a faucet. The faucet is pivotally connected to the vehicle body in a vertical direction and connected to the steering rod.

In an embodiment of the invention, the two third pivot points and the two ball joints define an isosceles trapezoid on the projection of the second plane perpendicular to the vertical direction. The connection of the projections of the two third pivot points on the second plane is the upper base of the isosceles trapezoid, and the connection of the projections of the two ball joints on the second plane is the lower base of the isosceles trapezoid.

In an embodiment of the invention, the three-wheeled motor vehicle further includes a parking mechanism. The parking mechanism includes two first links, two second links, two clamping members and two actuating members. The two first link members are pivotally connected to the first rod member in a vertical direction and are respectively located on both sides of the main body. The two second links are respectively pivotally connected to the two first links in the vertical direction, and are respectively located on both sides of the main body. The two clamping members are respectively pivotally connected to the two second links in the vertical direction and jointly clamp the main body to prevent the main body from rotating in the horizontal direction. The two actuating members are disposed on the first rod member, wherein the two actuating members are adapted to respectively push the two first connecting rods and the two second connecting rods to rotate to drive the two clamping members away from the main body.

In an embodiment of the invention, each of the actuating members is an electromagnetic switch.

In an embodiment of the present invention, the parking mechanism further includes two elastic members, wherein each elastic member is coupled between the corresponding first link and the corresponding first member to provide a corresponding first connection The elastic force of the rod reset.

In an embodiment of the invention, the three-wheeled motor vehicle further includes a rear wheel that is pivotally connected to the rear end of the main body.

Based on the above, the present invention arranges the positions of the first pivot point, the second pivot point and the ball joint of the two wheel seats in a rectangular manner, so that the first rod and the second rod are When the two parts and the main body are tilted, the steering rod will not drive the wheel base. Thereby, the inclination of the vehicle body can be avoided, and the front wheel can generate the steering behavior expected by the user, thereby improving the handling of the three-wheeled motor vehicle and reducing the chance of accidents during driving.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a perspective view of a motorcycle according to an embodiment of the present invention. 2 is a front elevational view of the motor tricycle of FIG. 1. In order to make the illustration clearer, FIG. 2 does not show the partial body 110 and the rear wheel 170 of FIG. Referring to FIG. 1 , the motorcycle 100 of the present embodiment may be, for example, a vehicle for driving a disabled person, and is a type of the first two wheels and a rear wheel. Referring to FIG. 1 and FIG. 2 simultaneously, the motorcycle 100 includes a main body 110, a first rod 120, a second rod 130, two wheel seats 140, a steering rod 150, two front wheels 160 disposed at the front end of the main body 110, and a pivotal connection. The rear wheel 170 is at the rear end of the main body 110.

In detail, the steering rod 150 is coupled to the front end of the main body 110. Each of the wheel bases 140 has a first pivot point 140a, a second pivot point 140b, and a ball joint 140c. Both ends of the steering rod 150 are respectively balled to the two ball joints 140c. The two ends of the first rod member 120 are respectively pivotally connected to the two first pivot joints 140a in the horizontal direction D1 (the direction perpendicular to the paper surface of FIG. 2), and the two ends of the second rod member 130 are in the horizontal direction D1. They are pivotally connected to the two second pivot points 140b, respectively, and the second rods 130 are substantially parallel to the first rods 120.

In this embodiment, the projections of the two first pivot joints 140a, the two second pivot joints 140b, and the two ball joints 140c on a plane perpendicular to the horizontal direction D1 (for example, the plane on which the paper of FIG. 2 is located) are defined. Rectangle R. The projections of the two first pivot joints 140a and the two ball joints 140c on the plane are respectively four vertices of the rectangle R, and the projections of the two second pivot joints 140b on the plane are respectively Located on opposite sides of the rectangle R.

3 is a schematic view of the motor tricycle of FIG. 2 when tilted. 4 is a schematic view of the motor tricycle of FIG. 2 when tilted and turned. During the running of the motorcycle 100, if the vehicle body is tilted as shown in FIG. 3 due to the uneven road surface, the design of the embodiment can prevent the two wheel seats 140 and the two front wheels 160 pivotally connected to the two wheel seats 140 from generating non- The steering behavior expected by the user. In detail, since the distance between the two ball joints 140c is designed to be the same as the distance between the two first pivot points 140a (the distance between the two second pivot points 140b), when the motor tricycle 100 is When the state shown in FIG. 2 is tilted to the state shown in FIG. 3, the two first pivot joints 140a, the two second pivot joints 140b, and the two ball joints 140c, the rectangle R defined by the projection of the plane will change. The parallelogram P means that the steering rod 150 is maintained in a state parallel to the first rod 120 and the second rod 130 without tilting, so that the two wheel seats 140 are not driven to be deflected by the inclination of the steering rod 150. Thereby, it can be avoided that the motorcycle tricycle 100 generates a traffic accident due to the non-user expected steering behavior during the running.

Of course, in the process of the user driving the motor tricycle 100, the center of gravity of the user and the motorcycle 100 can be actively applied, and the first rod 120, the second rod 130 and the two wheel holders 140 can be changed. The operation of the motorcycle 100 is tilted and turned to the state shown in Fig. 4 by the state shown in Fig. 2 to make the steering more smooth by utilizing the inclination of the vehicle body. Hereinafter, the manner in which the motorcycle 100 of the present embodiment is turned will be described in detail by way of illustration.

FIG. 5 is a schematic view of the steering of the motor tricycle of FIG. 2. FIG. Figure 6 is a top plan view of a portion of the components of the motor tricycle of Figure 2; Figure 7 is a schematic view of the steering of the motor tricycle of Figure 6. Please refer to FIG. 2 first. In detail, each wheel base 140 of the present embodiment includes a tilting member 142 and a steering member 144. The first pivot point 140a and the second pivot point 140b are located on the tilting member 142. Referring to FIG. 6 at the same time, the ball joint 140c is located on the steering member 144, and the steering member 144 has a third pivot point 140d, wherein the steering member 144 is substantially perpendicular through the third pivot point 140d. The vertical direction D2 in the horizontal direction D1 (perpendicular to the direction of the paper in FIG. 6) is pivotally connected to the tilting member 142 (shown in FIG. 2), and the front wheel 160 is pivotally connected to the steering member 144.

Thereby, the tilting member 142 is adapted to drive the front wheel 160 to tilt so that the motorcycle 100 achieves the inclined state as shown in FIG. 3, and the steering member 144 is adapted to rotate relative to the tilting member 142, so that the motorized tricycle 100 achieves the figure. The steering state shown in 5. In more detail, referring to FIG. 2, the main body 110 includes a vehicle body 112 and a faucet 114. The faucet 114 is pivotally connected to the vehicle body 112 in the vertical direction D2 and connected to the steering rod 150. The user can rotate the faucet 114 to drive the two steering members 144 through the steering rod 150 to respectively rotate from the state shown in FIG. 2 to the state shown in FIG. 5 with respect to the two tilting members 142 to perform steering.

Please refer to FIG. 6. Further, the projections of the two third pivot points 140d and the two ball joints 140c of the present embodiment on a plane perpendicular to the vertical direction D2 (for example, the plane of the paper surface of FIG. 6) are defined. Out of the isosceles trapezoid L. Wherein, the connection of the projections of the two third pivot points 140d on the plane is the upper base of the isosceles trapezoid L, and the connection of the projections of the two ball joints 140c on the plane is waited for The lower base of the waist trapezoid L. In other words, the distance between the two ball joints 140c is designed to be greater than the distance between the two third pivot points 140d.

Under this configuration, when the motorcycle 100 is turned from the state shown in FIG. 6 to the state shown in FIG. 7, the angle A of the left front wheel 160 is slightly larger than the angle B at which the right front wheel 160 is rotated. Therefore, by the slight difference in the steering angle between the two front wheels 160, the outer front wheel 160 (in the steering mode of FIG. 7, the outer front wheel 160 is the right front wheel 160) can be reduced from sliding relative to the ground when the motorcycle 100 is turned. The degree is to make the user smoother during the steering process and reduce the wear of the front wheel 160.

Figure 8 is a perspective view showing a part of a structure of a motorcycle according to another embodiment of the present invention. Figure 9 is a schematic view of the parking mechanism of Figure 8. In order to make the illustration clearer, FIGS. 8 and 9 only show a part of the main body 210 and a part of the wheel base 240. Referring to FIG. 8 , the three-wheeled motor vehicle 200 of the present embodiment further includes a parking mechanism 280 compared to the three-wheeled motor vehicle 100 of FIG. 1 . The parking mechanism 280 includes two first links 282, two second links 284, two clamping members 286, two actuating members 288 and two elastic members 289.

The two first links 282 are pivotally connected to the first rod 220 in the vertical direction D2, and are respectively located on both sides of the body 210. The two second links 284 are respectively pivotally connected to the two first links 282 in the vertical direction D2, and are respectively located on two sides of the body 210. The two clamping members 286 are respectively pivotally connected to the two second links 284 in the vertical direction D2 and collectively clamp the body 210 to prevent the main body 210 from rotating in the horizontal direction D1. In other words, the first lever member 220, the second lever member 230, and the tilting member 240 are thus restricted from being actuated, and the three-wheeled motor vehicle 200 is in the parked state and cannot be tilted. Thereby, the situation in which the three-wheeled motor vehicle 200 is dumped at rest can be avoided to improve the safety and convenience of the user (such as a disabled person) driving the three-wheeled motor vehicle 200.

When the user wants to release the parking state, the two first links 282 and the second connection can be pushed by the two actuating members 288 disposed on the first rod 220 to resist the elastic forces of the two elastic members 289, respectively. The lever 284 is rotated to the state shown in FIG. 9 to drive the two clamping members 286 away from the main body 210. At this time, the main body 210 is no longer restricted by the clamping member 286, so the main body 210, the first rod member 220, the second rod member 230, and the tilting member 240 can be actuated from the state shown in FIG. 8 to the state shown in FIG. The motor vehicle 200 achieves the inclination of the vehicle body.

When the user wants to park again, the pushing action of the actuating member 288 on the first link 282 and the second link 284 can be released. At this time, as the main body 210 is rotated from the state shown in FIG. 9 to the state shown in FIG. 8, the first link 282, the second link 284, and the holding member 286 are reset by the elastic force of the elastic member 289. The state shown in Fig. 8 is to limit the main body 210 to be unable to rotate in the horizontal direction D1. The actuating member 288 of the present embodiment may be, for example, an electromagnetic switch. However, the present invention is not limited thereto, and in other embodiments, it may be other suitable components that can achieve the same effect. In addition, the elastic member 289 of the embodiment may be, for example, a torsion spring. However, the present invention is not limited thereto, and in other embodiments, it may be other suitable components that can achieve the same effect.

In summary, in the present invention, the first pivot member and the second member are configured by arranging the positions of the first pivot joint, the second pivot joint, and the ball joint of the two wheel seats in a rectangular manner. When the two wheel seats and the main body are tilted relative to the translation, the steering rod does not cause the wheel base to turn. Thereby, the inclination of the vehicle body can be avoided to cause the front wheel to generate a steering behavior that is not expected by the user, and the handling of the three-wheeled motor vehicle can be improved, and the probability of accidents during driving can be reduced.

In addition, the present invention is configured by arranging the positions of the third pivot point and the ball joint of the two steering members in an isosceles trapezoidal shape, so that the steering angle of the two front wheels is slightly different when the motorcycle is turned to reduce When the motorized tricycle turns, the outer front wheel slides relative to the ground, which makes the steering process smoother and reduces the wear of the front wheel.

In addition, the three-wheeled motor vehicle of the present invention can be further equipped with a parking mechanism, and the holding member of the parking mechanism can be used to limit the main body for parking operation, and can avoid the situation that the three-wheeled motor vehicle is dumped at rest and improve the use. Safety and convenience when driving a three-wheeled motor vehicle. When the user wants to release the parking state, the three-wheeled motor vehicle can be tilted by the two actuating members pushing the first link and the second connecting rod to drive the clamping member away from the main body.

The present invention utilizes the above simple mechanism design to improve the handling and safety of the three-wheeled motor vehicle, and therefore has the advantage of low cost, so that the low-income, vulnerable and vulnerable groups can also enjoy safer and more convenient means of transportation.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100, 200‧‧‧ motor tricycle

110, 210‧‧‧ subjects

112‧‧‧ body

114‧‧‧ faucet

120, 220‧‧‧ first member

130, 230‧‧‧Second bars

140, 240‧‧ wheel seats

140a‧‧‧First pivot point

140b‧‧‧Second pivot point

140c‧‧‧ ball joints

140d‧‧‧ third pivot point

142‧‧‧Sloping parts

144‧‧‧Steering parts

150‧‧‧ steering rod

160‧‧‧front wheel

170‧‧‧ Rear wheel

280‧‧‧Parking agency

282‧‧‧first link

284‧‧‧second link

286‧‧‧Clamping parts

288‧‧‧Actuator

289‧‧‧Flexible parts

A, B‧‧‧ angle

D1‧‧‧ horizontal direction

D2‧‧‧Vertical direction

L‧‧‧ Isometric trapezoid

P‧‧‧Parallelogram

R‧‧‧Rectangle

1 is a perspective view of a motorcycle according to an embodiment of the present invention.

2 is a front elevational view of the motor tricycle of FIG. 1.

3 is a schematic view of the tilt of the motor tricycle of FIG. 2.

4 is a schematic view of the motorized tricycle of FIG. 2 tilted and turned.

FIG. 5 is a schematic view of the steering of the motor tricycle of FIG. 2. FIG.

Figure 6 is a top plan view of a portion of the components of the motor tricycle of Figure 2;

Figure 7 is a schematic view of the steering of the motor tricycle of Figure 6.

Figure 8 is a perspective view showing a part of a structure of a motorcycle according to another embodiment of the present invention.

Figure 9 is a schematic view of the parking mechanism of Figure 8.

100. . . Motor tricycle

110. . . main body

112. . . Car body

114. . . faucet

120. . . First rod

130. . . Second member

140. . . Wheel seat

140a. . . First pivot point

140b. . . Second pivot point

140c. . . Ball joint

142. . . Tilting piece

144. . . Steering piece

150. . . Steering rod

160. . . Front wheel

P. . . Parallelogram

Claims (8)

A three-wheeled motor vehicle includes: a main body; a steering rod connected to the front end of the main body; and two wheel seats each having a first pivot point, a second pivot point and a ball joint Pointing, the two ends of the steering rod are respectively connected to the two ball joints; a first rod member, the two ends of the first rod member are respectively pivotally connected to the two first pivotal joints in a horizontal direction a second rod member, the two ends of the second rod member are pivotally connected to the two second pivot joints in a horizontal direction, wherein the second rod member is substantially parallel to the first rod member a projection of the two first pivot joints, the two second pivot joints, and the two ball joints on a first plane perpendicular to the horizontal direction to define a rectangle, the two first pivots a joint between the joint and the two-ball joint, the projection on the first plane is the four vertices of the rectangle, and the projections of the two second pivot joints on the first plane are respectively located on the opposite sides of the rectangle Two lines on the two sides; and two front wheels, which are respectively pivotally connected to the two wheel seats. The three-wheeled motor vehicle of claim 1, wherein each of the wheel bases comprises: a tilting member having the first pivoting point and the second pivoting point; and a steering member having the ball a contact point and a third pivot point, wherein the steering member is pivoted to the tilting member along a vertical direction substantially perpendicular to the horizontal direction, and the corresponding front wheel The pivoting member is pivotally connected to the steering member. The three-wheeled motor vehicle of claim 1, wherein the main body comprises: a vehicle body; and a faucet pivotally connected to the vehicle body and connected to the steering rod in the vertical direction. The three-wheeled motor vehicle of claim 2, wherein the projection of the two third pivot joints and the two ball joints on a second plane perpendicular to the vertical direction defines one An isosceles trapezoid, the line connecting the projections of the two third pivot points on the second plane is the upper base of the isosceles trapezoid, and the projection of the two ball joints on the second plane The connection is the lower base of the isosceles trapezoid. The three-wheeled motor vehicle of claim 1, further comprising a parking mechanism, the parking mechanism comprising: two first connecting rods pivotally connected to the first rod in the vertical direction, and Separately located on both sides of the main body; two second connecting rods are respectively pivotally connected to the two first connecting rods along the vertical direction, respectively, on two sides of the main body; two clamping members, and the like Abutting the two second links in the vertical direction and clamping the main body together to prevent the main body from rotating in the horizontal direction; and two actuating members are disposed on the first rod. The two actuating members are adapted to respectively push the two first links and the two second links to rotate to drive the two clamping members away from the body. The three-wheeled motor vehicle of claim 5, wherein the actuating member is an electromagnetic switch. The three-wheeled motor vehicle of claim 5, wherein the parking mechanism further comprises two elastic members, wherein each of the elastic members is coupled between the corresponding first link and the corresponding first member To provide an elastic force that resets the corresponding first link. The three-wheeled motor vehicle of claim 1, further comprising a rear wheel pivotally connected to the rear end of the main body.