TW202248073A - 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 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 power to move the tricycle. Tricycle power The source has a driver's seat and separate wheels to allow the driver to ride and push the tricycle to move, while the part that carries people and cargo will have two wheels and space for cargo and people.

Generally, when a tricycle encounters bumps on the road, when the road is over-inclined or when it is about to turn while driving, its body is prone to over-inclining or even tilting, and the centrifugal force may even cause the vehicle to roll over. Therefore, how To provide tricycles with relatively stable balance, maneuverability and safety is an urgent problem for relevant industry players to solve.

The present invention proposes a balance shaft structure, which can keep the existing three-wheeled running vehicle stable and balanced when driving on a bumpy road or turning when it is driving, and is not easy to cause rollover.

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 base, a base, a first spring, a second spring, a rotating shaft structure, a rotating piece structure and a cover plate. The support base is a symmetrical component as a whole, and the two wings in the middle of the support base each have a connecting groove. There are connecting rods at both ends of the base, the base is set at the center of the support seat and the connecting rods on both sides are respectively located in the connecting grooves on both sides of the middle of the support seat, wherein the base divides the support seat into the first installation space with a second placement space. The first spring wraps the first guide piece and is jointly arranged in the first installation space, wherein the first guide piece abuts and connects the two side walls of the first installation space. The second spring wraps the second guide piece and is jointly arranged in the second installation space, wherein the second guide piece abuts against and connects the two side walls of the second installation space. One part of the rotating shaft structure is disposed inside the middle of the base and the other part is outside the middle of the base. The rotating shaft structure has a plurality of limiting grooves and a positioning ball, wherein the rotating shaft structure has at least one bearing or a shaft sleeve. The rotating piece structure is arranged across the first installation space and the second installation space and its middle part is connected with the rotating shaft structure, and the two ends of the rotating piece structure are respectively located in the middle of the first spring and the second spring. The cover plate is arranged above the middle of the rotating plate structure to fix the rotating plate structure and the rotating shaft structure, wherein the cover plate has a plurality of connecting screw columns. Among them, when the running car is traveling on bumpy roads or turning while driving, it can maintain balance through the angular rotation of the rotating piece structure in the balance shaft structure.

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

In one embodiment of the present invention, the supporting seat is formed as a whole as two independent and mutually symmetrical concave bodies, and the connecting groove of each concave body is a hole.

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

In an embodiment of the present invention, the balance shaft structure further includes a housing, and the upper and lower sides of the housing respectively have an upper opening and a lower opening, wherein the housing is used to cover the entire 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 pivotally connect with the plurality of connecting screw columns of the cover plate.

In one embodiment of the present invention, the structure of the rotating plate and the structure of the rotating shaft are interlocked with each other, and the limiting bead engages in one of the plurality of limiting slots according to the action, and can prevent the vehicle from slipping when the vehicle is parked.

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

In one embodiment of the present invention, the balance shaft structure is arranged on the installation seat of the running vehicle, and the connecting rods are respectively penetrated and fixed on both sides of the installation seat.

In one embodiment of the present invention, when the vehicle is tilted during its travel and generates an inclination angle and a torsion force, the connecting plate will transmit the torsion force to the balance shaft structure through the ear-shaped fixing block, and the balance shaft structure will receive the external force It will act on the rotating plate structure to generate angular rotation to keep the running car in balance, and the torsion force is an external force.

In summary, the balance shaft structure disclosed in the embodiments of the present invention can achieve the following effects: 1. Improve the balance and controllability of tricycle vehicles when driving. 2. Generate a reverse force and a rotation angle to maintain the balance of the vehicle body, which can not only improve the stability during handling, but also increase the safety during driving.

In the following detailed description by means of specific embodiments, it will be easier to understand the purpose, technical content, characteristics and effects of the present invention.

In order to solve the problem that the existing three-wheeled running vehicle loses balance when driving on a bumpy road or trying to turn while driving, and to improve the accident of overturning when driving and turning, the inventor has studied and developed for many years, and will introduce the present invention in detail later How to achieve the most efficient functional requirements with a balance shaft structure suitable for the left and right wheels of a stable and balanced running vehicle.

Please refer to the first figure to the sixth figure and the fourteenth figure, the first figure is a schematic diagram of the running car with the balance shaft structure of the present invention. The second figure is an enlarged schematic diagram of the hinge connection plate of the balance shaft structure of the present invention. The third figure is another enlarged schematic view of the pivotal 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 exploded view of the balance shaft structure of the present invention. Figure 6 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 with a balance shaft structure. The embodiment of the present invention provides a balance shaft structure TA, which is suitable for stably balancing the left and right wheels of a running car CR, so as to improve the balance and controllability of the running car CR, that is, to avoid excessive tilting of the body of the running car CR situation. The balance shaft structure 100 is disposed on the mounting seat SR of the running car 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 TA includes a supporting seat 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 support base 110 is a symmetrical component as a whole, and the middle and two side wings of the support base 110 respectively have connecting grooves 112 . The two ends of the base 120 respectively have a connecting rod 122, and the base 120 is arranged at the center of the supporting base 110 and the connecting rods 122 on both sides are respectively located in the connecting grooves 112 in the middle of the supporting base 110, both sides, wherein the base 120 divides the support base 110 into a first installation space TR1 and a second installation 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 whole support base 110 is two independent and symmetrical concave bodies, and the connection groove 112 of each concave body is a hole, as shown in Figure 14, this is a separate independent support seat. In the implementation of FIG. 14, the base 120 is a little smaller than the base 120 of the embodiment in FIG. 6 .

In addition, as shown in the sixth figure, the first spring 130 of the embodiment of the present invention covers the first guide piece 135 and is jointly arranged in the first installation space TR1, wherein the first guide piece 135 resists and connects with the first The two side walls of the space TR1 are arranged so that the first spring 130 can only perform compression or recovery movement along the direction of the first guide piece 135 . In the embodiment of the present invention, the second spring 140 covers the second guide piece 145 and is jointly arranged in the second installation space TR2, wherein the second guide piece 145 abuts and connects the two side walls of the second installation space TR2, so the first The two springs 140 can only perform compression or return movement along the direction of the second guide piece 145 . One part of the rotating shaft structure 150 is set inside the middle of the base 120 and the other part is exposed outside the middle of the base 120. As shown in Figure 6, the rotating shaft structure 150 of the embodiment of the present invention has a plurality of limiting grooves 155 and a positioning bead 156, wherein the rotating shaft structure 150 has at least one bearing 190 or a shaft sleeve.

Moreover, the rotating piece structure 160 is arranged across the first installation space TR1 and the second installation space TR2 and its middle part 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 bead 156 is engaged in one of the plurality of limiting slots 155 according to the action of the overall balance shaft structure TA. In addition, it can prevent the vehicle from slipping when 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 pivotal connection. The spirit of the present invention is that when the running car CR is traveling on bumpy roads or turning while driving, it can maintain balance through the angular rotation of the rotating plate structure 160 in the balance shaft structure 100 .

Please refer to the seventh figure to the tenth figure at the same time, the seventh figure is a top view of the balance shaft structure of the present invention. The eighth figure is the A-A line sectional view of the seventh figure of the balance shaft structure of the present invention. The ninth figure is the B-B line sectional view of the seventh figure of the balance shaft structure of the present invention. Figure 10 is a schematic diagram of the action of the balance shaft structure of the present invention. The balance shaft structure TA further includes a housing RB (including upper and lower sub-housings) and ear-shaped fixing blocks 180 . Furthermore, the upper and lower sub-housings of the housing RB each have an upper opening H1 and a lower opening H2, wherein the housing RB is used to cover the whole of the balance shaft structure TA. In addition, the middle portion of the ear-shaped fixing block 180 passes through the opening H1 on the housing RB to be pivotally connected to the plurality of connecting screw posts 172 of the cover plate 170 . The two sides of the ear-shaped fixing block 180 are pivotally connected with the connecting plate 20 of the front bracket 10 of the running car CR so as to generate the overall linkage (pivotally connected with the nut 30).

Based on the above-mentioned balance shaft structure TA, it can be understood in conjunction with the tenth, twelfth and thirteenth figures. The twelfth figure is a left-side inclined schematic diagram of the running vehicle with the balance shaft structure of the present invention. The thirteenth figure is the oblique schematic view of the right side of the running car with the balance shaft structure of the present invention. When the balance shaft structure TA is subjected to an external force and 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 be restored after being compressed. The force reacts on the rotating plate structure 160 to make the rotating plate structure 160 move in the opposite direction to maintain the balance of the left and right wheels of the running car CR. A reverse force to maintain the balance of the vehicle body.

When the trolley CR is tilted during the running 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 TA through the ear-shaped fixing block 180, and the balance shaft structure TA is in the After receiving the external force, it will act on the rotating plate structure 160 and the rotating shaft structure 150, and the rotating plate structure 160 generates an angular rotation to keep the running car in balance, wherein the rotating plate structure 160 and the rotating shaft structure 150 are linked structures and the torsion is an external force. It should be noted that the maximum acceptable inclination angle θ for the running car CR in the embodiment of the present invention to maintain balance while driving on a bumpy road is 30 degrees. In addition, as can be seen from the side views of FIG. 8 and FIG. 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 skilled in the art can know the structure and operation mechanism of FIG. 11 through the above-mentioned embodiment, and details are not repeated here.

In summary, the balance shaft structure disclosed in the embodiments of the present invention can achieve the following effects: 3. Improve the balance and controllability of tricycle vehicles when driving. 4. Generate a reverse force and a rotation angle to maintain the balance of the vehicle body, which can not only improve the stability during handling, but also increase the safety during driving.

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 based on the features and spirit described in the scope of the application of the present invention shall be included in the scope of the patent application of the present invention.

10: Front bracket 20: Connecting board 30: Nut 110: support seat 112: Connection slot 120: base 122: connecting rod 130: first spring 135: The first guide piece 140: second spring 145: Second guide piece 150: shaft structure 155: limit slot 156: positioning beads 160:Rotary piece structure 170: cover plate 172: connecting screw column 180: ear type fixing block 190: bearing BR: back seat CR: Running car H1: upper opening H2: Bottom opening SR: mount TR1: The first placement space TR2: Second placement space RB: Shell θ: tilt angle

The first figure is a schematic diagram of a running vehicle with a balance shaft structure according to the present invention. The second figure is an enlarged schematic diagram of the hinge connection plate of the balance shaft structure of the present invention. The third figure is another enlarged schematic view of the pivotal 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 exploded view of the balance shaft structure of the present invention. Figure 6 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. The eighth figure is the A-A line sectional view of the seventh figure of the balance shaft structure of the present invention. The ninth figure is the B-B line sectional view of the seventh figure of the balance shaft structure of the present invention. Figure 10 is a schematic diagram of the action 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 left side inclined view of the running car with the balance shaft structure of the present invention. The thirteenth figure is the oblique schematic view of the right side of the running car with the balance shaft structure of the present invention. Figure 14 is a schematic diagram of a preferred embodiment of the present invention with a balance shaft structure.

110: support seat

112: Connection slot

120: base

122: connecting rod

130: first spring

135: The first guide piece

140: second spring

145: Second guide piece

150: shaft structure

155: limit slot

156: positioning beads

160:Rotary piece structure

170: cover plate

172: connecting screw column

180: ear type fixing block

TR1: The first placement space

TR2: Second placement space

Claims (10)

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, which is a symmetrical component as a whole, wherein the middle and two wings of the support seat each have a connecting groove; A pedestal, each of its two ends has a connecting rod, the pedestal is arranged at the center of the support seat and the connecting rods on both sides are respectively located in the connecting grooves on both sides of the middle of the support seat, wherein the pedestal The support seat area is divided into a first installation space and a second installation space; A first spring, which covers a first guide piece and is jointly arranged in the first installation space, wherein the first guide piece abuts and connects the two side walls of the first installation space; A second spring, which covers a second guide piece and is jointly arranged in the second installation space, wherein the second guide piece abuts and connects the two side walls of the second installation space; A rotating shaft structure, one 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 positioning ball, wherein the rotating shaft structure has at least one bearing or a shaft sleeve; A rotating piece structure, which is arranged across the first installation space and the second installation space and its middle part is connected to the rotating shaft structure, and the two ends of the rotating piece structure are respectively located at the first spring and the second spring between; and A cover plate, which is arranged above the middle of the rotating piece structure to fix the rotating piece structure and the shaft structure, wherein the cover plate has a plurality of connecting screw columns, Wherein, when the running car is traveling on bumpy roads or turning while driving, 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 supporting seat is a symmetrical groove, and the connecting groove is a sub-groove. The balance shaft structure as claimed in claim 1, wherein the whole of the supporting seat is two independent and mutually symmetrical concave bodies, and the connecting groove of each concave body is a hole. The balance shaft structure according to claim 1, wherein when the balance shaft structure is subjected to an external force so that the rotating plate structure moves in the positive direction and is pressed against the first and the second springs, the first and the second The two springs will exert restoring force to act on the rotating sheet structure so that the rotating sheet structure moves in the opposite direction to maintain the balance of the left and right wheels of the trolley. The balance shaft structure as described in claim 1 further includes a casing, the casing has an upper opening and a lower opening respectively, wherein the casing is used to cover the entire balance shaft structure. The balance shaft structure as described in claim 1 further includes an ear-shaped fixing block, wherein the middle part of the ear-shaped fixing block passes through the upper opening of the housing to connect with the connecting screw columns of the cover plate Pivot. The balance shaft structure as claimed in claim 1, wherein the rotating plate structure and the rotating shaft structure are interlocked with each other, and the limiting bead engages in one of the limiting grooves according to the movement. The balance shaft structure according to Claim 6, wherein both 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 described in claim 1, wherein the balance shaft structure is arranged 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 described in claim 8, wherein when the running vehicle is tilted during travel and generates a tilt angle and a torsion force, the connecting plate will transmit the torsion force to the balance shaft structure through the ear-shaped fixing block, And after the balance shaft structure receives the external force, it will act on the rotating plate structure to generate angular rotation to keep the running car in balance, wherein the torsion force is the external force.

Images