TWI762352B - Balance shaft structure - Google Patents

Abstract

A balance shaft structure for three-wheeled vehicles includes a support seat, a base, a first spring, a second spring, a rotating shaft structure, a rotating plate structure and a cover plate. Both ends of the base have a connecting rod, the base is arranged at the center of the support base, and the connecting rods on both sides of the base are disposed in connecting grooves on both sides of the middle of the support base respectively. The first spring covers a first guide plate and is arranged in a first installation space. The second spring covers a second guide plate and is set in a second installation space. A part of the rotating shaft structure is set inside the middle of the base and the other part is outside the middle of the base. The rotating plate structure is set across the first and second installation spaces, and the middle part of the rotating plate is connected to the rotating shaft structure. When traveling on a rough road, the vehicle maintains balance through an angular rotation of the rotating plate structure of the balance shaft structure.

Description

Balance shaft structure

A balance shaft structure, especially a balance shaft structure suitable for stably balancing the left and right wheels of a three-wheeled running vehicle.

Press, the general tricycle structure is a bicycle composed of three wheels, most of which are driven by manpower, but with the progress of the times, there are also ways to use fuel or electric means to drive the tricycle to move, tricycle power The source has the driver's seat and separate wheels for the driver to ride and push the tricycle to move, while the manned and cargo-carrying parts will have two wheels and space for cargo and people.

Generally, tricycles are prone to over-tilting or even tilting when encountering road bumps, when the road is excessively inclined or when trying to steer while driving, and they may even roll over due to centrifugal force. Providing tricycles with relatively stable balance, maneuverability and safety is an urgent problem for the relevant industry to solve.

The present invention provides a balance shaft structure, which can make the existing three-wheeled running vehicle run on bumpy road surfaces or maintain a stable balance when trying to turn while driving, and is not easy to cause the vehicle to roll over.

The invention provides a balance shaft structure suitable for stably balancing the left and right wheels of a running vehicle. The balance shaft structure includes a support seat, a base, a first spring, a second spring, a rotating shaft structure, a rotating plate structure and a cover plate. The whole of the support base is a symmetrical component, wherein the middle two side wings of the support base are each provided with a connecting groove. Both ends of the base are provided with connecting rods, the base is arranged in the center of the support base, and the connecting rods on both sides of the base are respectively located in the connecting grooves on both sides of the middle of the support base, wherein the base divides the support base into a first placement space with second placement space. The first spring covers the first guide piece and is jointly disposed in the first placement space, wherein the first guide piece abuts against and connects with two side walls of the first placement space. The second spring covers the second guide piece and is jointly disposed in the second placement space, wherein the second guide piece abuts against and connects to two side walls of the second placement space. A part of the rotating shaft structure is arranged inside the middle of the base and another part is outside the middle of the base. The rotating shaft structure has a plurality of limiting grooves and a limiting ball, wherein the rotating shaft structure has at least one bearing or bushing. The rotating piece structure is arranged across the first placement space and the second placement space, and the middle part thereof is connected with the rotating shaft structure, and two ends of the rotating piece structure are respectively located between the first spring and the second spring. The cover plate is arranged above the middle of the rotating piece structure to fix the rotating piece structure and the rotating shaft structure, wherein the cover plate has a plurality of connecting screw columns. Among them, when the running vehicle is traveling on bumpy roads or trying to steer, it can maintain the balance through the angular rotation of the rotating plate structure in the balance shaft structure.

In an embodiment of the present invention, the entire support base is a symmetrical groove, and the connecting groove is a sub-groove.

In an embodiment of the present invention, the entire support base is two independent and mutually symmetrical concave bodies, and the connecting groove of each concave body is a hole.

In an embodiment of the present invention, when the balance shaft structure is subjected to an external force, so that the rotating piece structure moves in the positive direction and is pressed against the first and second springs, the first and second springs will exert restoring force to prevent Acting on the rotating piece structure makes the rotating piece structure move in the opposite direction to maintain the balance of the left and right wheels of the running car.

In one embodiment of the present invention, the balance shaft structure further includes a casing, and the upper and lower sides of the casing have an upper opening and a lower opening, wherein the casing is used to cover the whole of the balance shaft structure.

In an embodiment of the present invention, the balance shaft structure further includes an ear-shaped fixing block, wherein the middle part of the ear-shaped fixing block passes through the opening on the casing to be pivotally connected with the plurality of connecting screw posts of the cover plate.

In one embodiment of the present invention, the rotating plate structure and the rotating shaft structure are interlocked with each other, and the limiting bead is engaged with one of the multiple limiting grooves according to the actuation, so as to prevent the vehicle from sliding sideways during parking.

In an embodiment of the present invention, two sides of the ear-shaped fixing block are pivotally connected to the connecting plate of the front bracket of the running vehicle.

In an embodiment of the present invention, the balance shaft structure is disposed on the mounting seat of the running vehicle, and the connecting rods are respectively fixed through the two sides of the mounting seat.

In one embodiment of the present invention, when the running vehicle is inclined during traveling to generate an inclination angle and a torsion force, the connecting plate transmits the torsion force to the balance shaft structure through the ear-shaped fixing block, and the balance shaft structure receives the external force after receiving the external force. It will act on the rotating plate structure to generate angular rotation to keep the running car in balance, and the torque is the external force.

To sum up, the balance shaft structure disclosed in the embodiment of the present invention can achieve the following effects:

1. Improve the balance and maneuverability of the tricycle vehicle when traveling.

2. Generate a reverse force and a rotation angle to maintain the balance of the body, which can not only improve the stability of the control, but also increase the safety of the road.

The following describes in detail with specific embodiments, when it is easier to understand the purpose, technical content, characteristics and effects of the present invention.

10: Front bracket

20: Connection board

30: Nut

100: Balance shaft structure

110: Support seat

112: Connection slot

120: Pedestal

122: connecting rod

130: First Spring

135: The first guide piece

140: Second Spring

145: The second guide piece

150: Shaft structure

155: Limit slot

156: Limit beads

160: Rotary piece structure

170: Cover

172: Connecting screw posts

180: ear type fixing block

190: Bearings

BR: back seat

CR: running car

H1: upper opening

H2: Bottom opening

SR: mount

TR1: The first placement space

TR2: Second Placement Space

RB: Housing

θ: tilt angle

The first figure is a schematic diagram of the running vehicle with the balance shaft structure of the present invention.

The second figure is an enlarged schematic view of the pivot connecting plate of the balance shaft structure of the present invention.

The third figure is another enlarged schematic view of the pivoted connecting plate of the balance shaft structure of the present invention.

The fourth figure is a schematic view of the appearance of the balance shaft structure of the present invention.

The fifth figure is a schematic diagram of the separation and explosion of the balance shaft structure of the present invention.

The sixth figure is a schematic diagram of the internal structure of the balance shaft structure of the present invention.

The seventh figure is a top view of the balance shaft structure of the present invention.

Figure 8 is a cross-sectional view taken along line A-A of Figure 7 of the balance shaft structure of the present invention.

The ninth figure is a B-B line cross-sectional view of the seventh figure of the balance shaft structure of the present invention.

Figure 10 is a schematic diagram of the movement of the balance shaft structure of the present invention.

Figure 11 is a side view of another embodiment of the balance shaft structure of the present invention.

The twelfth figure is a schematic view of the left side tilt of the running vehicle with the balance shaft structure of the present invention.

The thirteenth figure is a schematic view of the right side tilt of the running vehicle with the balance shaft structure of the present invention.

Figure 14 is a schematic diagram of a preferred embodiment of the present invention having a balance shaft structure.

In order to solve the problem that the existing three-wheeled running vehicle loses its balance when traveling on bumpy roads or trying to turn while driving, and to improve the accident of overturning when the vehicle is turning, the inventor has conducted many years of research and development, and the present invention will be introduced in detail later. How to achieve the most efficient functional demands with a balance shaft structure that is suitable for stably balancing the left and right wheels of the running car.

Please refer to Figures 1 to 6 and 14. Figure 1 is a schematic diagram of a running vehicle with a balance shaft structure of the present invention. The second figure is an enlarged schematic view of the pivot connecting plate of the balance shaft structure of the present invention. The third figure is another enlarged schematic view of the pivoted connecting plate of the balance shaft structure of the present invention. The fourth figure is a schematic view of the appearance of the balance shaft structure of the present invention. The fifth figure is a schematic diagram of the separation and explosion of the balance shaft structure of the present invention. The sixth figure is a schematic diagram of the internal structure of the balance shaft structure of the present invention. Figure 14 is a schematic diagram of a preferred embodiment of the present invention having a balance shaft structure. The embodiment of the present invention provides a balance shaft structure 100, which is suitable for stably balancing the left and right wheels of a running vehicle CR, so as to improve the running vehicle CR to have better balance and controllability, that is, it can avoid excessive tilting of the body of the running vehicle CR. situation. The balance shaft structure 100 is disposed on the mounting seat SR of the running vehicle CR, and the connecting rods 122 are respectively penetrated and fixed on both sides of the mounting seat SR, wherein the mounting seat SR is adjacent to the rear seat BR. In detail, the balance shaft structure 100 includes a support base 110 , a base 120 , a first spring 130 , a second spring 140 , a rotating shaft structure 150 , a rotating plate structure 160 and a cover plate 170 . The whole of the support base 110 is a symmetrical component, wherein the middle two side wings of the support base 110 each have a connecting groove 112 . Two ends of the base 120 each have a connecting rod 122, and the base 120 is disposed at the center of the support base 110, and the connecting rods 122 on both sides of the base 120 are located in the connecting grooves 112 on both sides of the middle of the support base 110, respectively. 120 divides the support base 110 into a first placement space TR1 and a second placement space TR2. In one embodiment, the entire support base 110 is a symmetrical groove, and the connecting groove 112 is a sub-groove, which is an integrated support base. In another embodiment, the entire support base 110 is two independent and mutually symmetrical concave bodies, and the connecting groove 112 of each concave body is a hole, as shown in FIG. 14, this is a separate independent support seat. In the implementation of FIG. 14 , the base 120 is smaller than the base 120 of the embodiment of FIG. 6 .

In addition, as shown in FIG. 6 , the first spring 130 of the embodiment of the present invention covers the first guide piece 135 and is co-located in the first placement space TR1 , wherein the first guide piece 135 abuts against and connects with the first guide piece 135 . The two side walls of the space TR1 are arranged, so the first spring 130 only presses along the direction of the first guide piece 135 Retract or resume movement. The second spring 140 of the embodiment of the present invention covers the second guide piece 145 and is disposed together in the second placement space TR2, wherein the second guide piece 145 abuts against and connects to both side walls of the second placement space TR2, so The two springs 140 can only compress or recover in the direction of the second guide piece 145 . A part of the rotating shaft structure 150 is disposed inside the middle of the base 120 and the other part is exposed outside the middle of the base 120 . As shown in FIG. 6 , the rotating shaft structure 150 according to the embodiment of the present invention has a plurality of limiting grooves 155 and a limiting position The ball 156, wherein the rotating shaft structure 150 has at least one bearing 190 or a bushing.

Furthermore, the rotating piece structure 160 is disposed across the first placement space TR1 and the second placement space TR2 and the middle part thereof is connected with the rotating shaft structure 150, and the two ends of the rotating piece structure 160 are respectively located at the first spring 130 and the second spring. The middle of 140 is engaged with the first guide piece 135 and the second guide piece 145 respectively, as shown in FIG. 6 . The rotating plate structure 160 and the rotating shaft structure 150 are interlocked with each other, and the limiting ball 156 will be engaged with one of the plurality of limiting grooves 155 according to the movement of the overall balance shaft structure 100 , and can prevent the vehicle from sliding sideways during parking. The cover plate 170 is disposed above the middle of the rotating plate structure 160 to fix the rotating plate structure 160 and the rotating shaft structure 150 , wherein the cover plate 170 has a plurality of connecting screw posts 172 for easy pivoting. The spirit of the present invention is that the running vehicle CR can maintain balance through the angular rotation of the rotating plate structure 160 in the balance shaft structure 100 when it travels on a bumpy road or when it is about to turn.

Please refer to Figures 7 to 10 at the same time. Figure 7 is a top view of the balance shaft structure of the present invention. Figure 8 is a cross-sectional view taken along line A-A of Figure 7 of the balance shaft structure of the present invention. The ninth figure is a B-B line cross-sectional view of the seventh figure of the balance shaft structure of the present invention. Figure 10 is a schematic diagram of the movement of the balance shaft structure of the present invention. The balance shaft structure 100 further includes a housing RB (sub-housing including upper and lower parts) and an ear-shaped fixing block 180 . Further, the upper and lower sub-shells of the housing RB each have an upper opening H1 and a lower opening H2, wherein the housing RB is used to cover the balance shaft structure 100 as a whole. In addition, the middle portion of the ear-shaped fixing block 180 passes through the opening H1 on the casing RB to be pivotally connected with the plurality of connecting screw posts 172 of the cover plate 170 . Ear The two sides of the shaped fixing block 180 are pivotally connected with the connecting plate 20 of the front bracket 10 of the running vehicle CR so as to produce an integral linkage (the nut 30 is used for pivotal connection).

Based on the balance shaft structure 100 described above, it can be understood with reference to the tenth, twelfth and thirteenth figures. The twelfth figure is a schematic view of the left side tilt of the running vehicle with the balance shaft structure of the present invention. The thirteenth figure is a schematic view of the right side tilt of the running vehicle with the balance shaft structure of the present invention. When the balance shaft structure 100 is subjected to an external force, the rotating plate structure 160 moves in the positive direction and is pressed against the first spring 130 and the second spring 140 , the first spring 130 and the second spring 140 will recover after being compressed. The force reacts on the rotating piece structure 160 to make the rotating piece structure 160 move in the opposite direction to maintain the balance of the left and right wheels of the running vehicle CR, that is, the rotating piece structure 160 generates angular rotation to keep the running vehicle CR in balance, or A reverse force to maintain the balance of the body.

When the running vehicle CR is tilted during the traveling process to generate an inclination angle θ and a torsion force, the connecting plate 20 connected to the front bracket 10 will transmit the torsion force to the balance shaft structure 100 through the ear-shaped fixing block 180 , and the balance shaft structure 100 is in the After receiving the external force, it will act on the rotating piece structure 160 and the rotating shaft structure 150, and the rotating piece structure 160 rotates angularly to keep the running vehicle in balance. It should be noted that the maximum acceptable inclination angle θ that the running vehicle CR of the embodiment of the present invention can maintain its balance while traveling on a bumpy road is 30 degrees. In addition, as can be seen from the side views of FIGS. 8 and 9 , there are four bearings 190 in the embodiment of the present invention, and they are respectively arranged at four positions adjacent to the central rotating shaft.

Figure 11 is a side view of another embodiment of the balance shaft structure of the present invention. Those with ordinary knowledge in the art can know the structure and operation mechanism of FIG. 11 through the above-mentioned embodiments, and details are not repeated here.

To sum up, the balance shaft structure disclosed in the embodiment of the present invention can achieve the following effects:

3. Improve the balance and maneuverability of the tricycle vehicle when traveling.

4. Generate a reverse force and a rotation angle to maintain the balance of the body, which can not only improve the stability during manipulation, but also increase the safety during traveling.

Only the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, all equivalent changes or modifications made according to the features and spirits described in the scope of the application of the present invention shall be included in the scope of the application for patent of the present invention.

100: Balance shaft structure

110: Support seat

112: Connection slot

120: Pedestal

122: connecting rod

130: First Spring

135: The first guide piece

140: Second Spring

145: The second guide piece

150: Shaft structure

155: Limit slot

156: Limit beads

160: Rotary piece structure

170: Cover

172: Connecting screw posts

180: ear type fixing block

TR1: The first placement space

TR2: Second Placement Space

Claims (10)

A balance shaft structure is suitable for stably balancing the left and right wheels of a running vehicle. The balance shaft structure includes: a support seat, which is a symmetrical component as a whole, wherein the middle two side wings of the support seat are each provided with a connecting groove; a base The base has a connecting rod at both ends, the base is arranged at the center of the support base, and the connecting rods on both sides of the base are respectively located in the connecting grooves on both sides of the middle of the support base, wherein the base The support seat area is divided into a first placement space and a second placement space; a first spring covers a first guide piece and is jointly arranged in the first placement space, wherein the first guide piece abuts against connecting the two side walls of the first placement space; a second spring covering a second guide piece and co-located in the second placement space, wherein the second guide piece abuts and connects the second guide piece Two side walls of the placement space; a rotating shaft structure, a part of which is arranged inside the middle of the base and the other part is located outside the middle of the base, the rotating shaft structure has a plurality of limiting grooves and a limiting bead, wherein the rotating shaft structure has at least A bearing or a bushing; a rotating piece structure, which is arranged across the first installation space and the second installation space and the middle part of which is connected with the rotating shaft structure, and the two ends of the rotating piece structure are respectively located in the first installation space and the second installation space. A middle between a spring and the second spring; and a cover plate disposed above the middle of the rotating piece structure to fix the rotating piece structure and the rotating shaft structure, wherein the cover plate has a plurality of connecting screw posts, wherein the When the running vehicle is traveling on bumpy road or trying to turn, the balance is maintained through the angular rotation of the rotating plate structure in the balance shaft structure. The balance shaft structure according to claim 1, wherein the whole of the support base is a symmetrical groove, and the connecting groove is a sub-groove. The balance shaft structure according to claim 1, wherein the whole of the support base is two independent and mutually symmetrical concave bodies, and the connecting groove of each concave body is a hole. The balance shaft structure as claimed in claim 1, wherein when the balance shaft structure is subjected to an external force, the rotating plate structure moves in the positive direction and is pressed against the first and the second springs, the first and the second Two springs will exert restoring force to act on the rotating piece structure to move the rotating piece structure in opposite directions to maintain the balance of the left and right wheels of the running vehicle. The balance shaft structure as claimed in claim 1, further comprising a casing having an upper opening and a lower opening on the upper and lower sides of the casing, wherein the casing is used to cover the whole of the balance shaft structure. The balance shaft structure according to claim 1, further comprising an ear-shaped fixing block, wherein the middle part of the ear-shaped fixing block passes through the upper opening of the casing to connect with the screw posts of the cover plate pivot. The balance shaft structure according to claim 1, wherein the rotating plate structure and the rotating shaft structure are interlocked with each other, and the limiting ball is engaged with one of the limiting grooves according to the movement. The balance shaft structure as claimed in claim 6, wherein two sides of the ear-shaped fixing block are pivotally connected to a connecting plate of a front bracket of the running vehicle. The balance shaft structure as claimed in claim 1, wherein the balance shaft structure is disposed on a mounting seat of the running vehicle, and the connecting rods are respectively penetrated and fixed on both sides of the mounting seat. The balance shaft structure as claimed in claim 8, wherein when the running vehicle is inclined to generate an inclination angle and a torsion force, the connecting plate transmits the torsion force to the balance shaft structure through the ear-shaped fixing block, And after receiving the external force, the balance shaft structure will act on the rotating plate structure to generate angular rotation to keep the running vehicle in balance, wherein the torsion force is the external force.

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