阅读说明：本技术 平衡轴结构 (Balance shaft structure ) 是由 邰金魁 于 2021-06-09 设计创作，主要内容包括：本发明提供一种平衡轴结构,用于三轮运行车,包括支撑座、基座、第一弹簧、第二弹簧、转轴结构、旋转片结构与盖板。基座的两端各具有连接杆,基座设置于支撑座的中央处且其两侧的连接杆分别位于支撑座的中间两侧的连接槽。第一弹簧包覆住第一导引片并且共同设置于第一安置空间。第二弹簧包覆住第二导引片并且共同设置于第二安置空间。转轴结构的一部分设置于基座中间内部且其另一部分基座中间外部。旋转片结构横跨设置于第一安置空间与第二安置空间并且其中间部分与转轴结构连接。运行车于行进颠颇路面时通过平衡轴的旋转片结构的角度旋转来保持平衡。(The invention provides a balance shaft structure for a three-wheel operating vehicle, which comprises a supporting seat, a base, a first spring, a second spring, a rotating shaft structure, a rotating sheet structure and a cover plate. The two ends of the base are respectively provided with a connecting rod, the base is arranged at the center of the supporting seat, and the connecting rods at the two sides of the base are respectively positioned in the connecting grooves at the two sides of the middle of the supporting seat. The first spring covers the first guiding sheet and is commonly arranged in the first accommodating space. The second spring covers the second guiding sheet and is commonly arranged in the second accommodating space. One part of the rotating shaft structure is arranged in the middle of the base and the other part of the rotating shaft structure is arranged outside the middle of the base. The rotating sheet structure is arranged in the first arranging space and the second arranging space in a crossing mode, and the middle portion of the rotating sheet structure is connected with the rotating shaft structure. When the running vehicle runs on a bumpy road, the balance is kept through the angular rotation of the rotating piece structure of the balance shaft.)

1. The utility model provides a balanced axle construction, is applicable to the left and right sides two-wheeled of a stable balance operation car which characterized in that, this balanced axle construction includes:

a supporting seat, which is a symmetrical component as a whole, wherein two side wings in the middle of the supporting seat are respectively provided with a connecting groove;

the base is arranged at the center of the supporting seat, the connecting rods at two sides of the base are respectively positioned in the connecting grooves at two sides of the middle of the supporting seat, and the supporting seat is divided into a first accommodating space and a second accommodating space by the base;

a first spring, which covers a first guiding sheet and is commonly arranged in the first accommodating space, wherein the first guiding sheet is connected with two side walls of the first accommodating space in a propping manner;

a second spring, which covers a second guiding sheet and is commonly arranged in the second arranging space, wherein the second guiding sheet is connected with two side walls of the second arranging space in a propping manner;

a rotating shaft structure, one part of which is arranged in the middle of the base and the other part of which is arranged outside the middle of the base, the rotating shaft structure is provided with a plurality of limiting grooves and a positioning ball, wherein the rotating shaft structure is provided with at least one bearing or a shaft sleeve;

a rotating plate structure, which is arranged across the first and second mounting spaces and the middle part of which is connected with the rotating shaft structure, and the two ends of the rotating plate structure are respectively positioned in the middle of the first and second springs; and

a cover plate disposed above the middle of the rotary plate structure for fixing the rotary plate structure and the rotary shaft structure, wherein the cover plate has a plurality of connecting screw posts,

when the running vehicle is about to turn on a running upset road or in running, the running vehicle keeps balance through the angular rotation of the rotating piece structure in the balance shaft structure.

2. The balance shaft structure of claim 1, wherein: the whole supporting seat is a symmetrical groove, and the connecting groove is a sub-groove.

3. The balance shaft structure of claim 1, wherein: the whole supporting seat is two independent concave bodies which are symmetrical to each other, and the connecting groove of each concave body is a hole.

4. The balance shaft structure of claim 1, wherein: when the balance shaft structure is subjected to an external force to make the rotating sheet structure move in the positive direction and extrude to the first spring and the second spring, the first spring and the second spring apply restoring force to act on the rotating sheet structure so as to make the rotating sheet structure move in the negative direction to maintain balance of the left wheel and the right wheel of the running vehicle.

5. The balance shaft structure of claim 1, wherein: the balance shaft structure also comprises a shell, wherein the upper part and the lower part of the shell are respectively provided with an upper opening and a lower opening, and the shell is used for coating the whole balance shaft structure.

6. The balance shaft structure of claim 1, wherein: the middle part of the ear-shaped fixing block passes through the upper opening of the shell to be pivoted with the connecting screw posts of the cover plate.

7. The balance shaft structure of claim 1, wherein: the rotating sheet structure and the rotating shaft structure are mutually linked and the limiting ball can be clamped in one of the limiting grooves.

8. The balance shaft structure of claim 6, wherein: two sides of the ear-shaped fixing block are pivoted with a connecting plate of a front bracket of the running vehicle.

9. The balance shaft structure of claim 1, wherein: the balance shaft structure is arranged on a mounting seat of the running vehicle, and the two connecting rods respectively penetrate through and are fixedly arranged on two sides of the mounting seat.

10. The balance shaft structure of claim 8, wherein: when the running vehicle tilts in the process of traveling to generate an inclination angle and a torsion, the connecting plate can transmit the torsion to the balance shaft structure through the ear-shaped fixing block, and the balance shaft structure can act on the rotating sheet structure to generate angular rotation after receiving the external force to keep the running vehicle balanced, wherein the torsion is the external force.

Technical Field

The present invention relates to a balance shaft structure, and more particularly to a balance shaft structure suitable for stably balancing two wheels of a three-wheeled vehicle.

Background

The tricycle is driven by fuel oil or electric power, and has a driving seat and independent wheels for riding and driving the tricycle to move, and the manned and the freight-carrying parts have two wheels and space for carrying the passenger.

Since a tricycle is easy to be over-inclined or even tilted when the tricycle is bumpy on a road, over-inclined on a road or intends to steer during driving, and is even turned over due to centrifugal force, how to provide a tricycle with stable balance, controllability and safety is a problem urgently needed to be solved by related manufacturers.

Disclosure of Invention

The invention provides a balance shaft structure which can ensure that the existing three-wheel type running vehicle can keep stable balance when going on a bumpy road or going to turn during running and is not easy to cause rollover.

The invention provides a balance shaft structure which is suitable for stably balancing a left wheel and a right wheel of a running vehicle. The whole supporting seat is a symmetrical component, wherein two side wings in the middle of the supporting seat are respectively provided with a connecting groove. The two ends of the base are respectively provided with a connecting rod, the base is arranged at the center of the supporting seat, the connecting rods at the two sides of the base are respectively positioned in the connecting grooves at the two sides of the middle of the supporting seat, and the supporting seat is divided into a first accommodating space and a second accommodating space by the base. The first spring covers the first guiding sheet and is arranged in the first accommodating space together, wherein the first guiding sheet is connected with two side walls of the first accommodating space in a propping manner. The second spring covers the second guiding sheet and is arranged in the second accommodating space together, wherein the second guiding sheet is connected with two side walls of the second accommodating space in a propping manner. One part of the rotating shaft structure is arranged in the middle of the base and the other part of the rotating shaft structure is arranged outside the middle of the base, the rotating shaft structure is provided with a plurality of limiting grooves and a positioning ball, and the rotating shaft structure is provided with at least one bearing or a shaft sleeve. The rotating piece structure is arranged in the first arranging space and the second arranging space in a crossing mode, the middle portion of the rotating piece structure is connected with the rotating shaft structure, and two ends of the rotating piece structure are located between the first spring and the second spring respectively. The cover plate is arranged above the middle of the rotating piece structure to fix the rotating piece structure and the rotating shaft structure, and the cover plate is provided with a plurality of connecting screw columns. When the running vehicle is about to turn on a running bumpy road or in running, the balance can be kept through the angular rotation of the rotating sheet structure in the balance shaft structure.

In an embodiment of the invention, the supporting seat is a symmetrical groove as a whole, and the connecting groove is a sub-groove.

In an embodiment of the invention, the supporting seat is integrally formed as two independent concave bodies which are symmetrical to each other, and the connecting groove of each concave body is a hole.

In an embodiment of the present invention, when the balance shaft structure receives an external force to move the rotation piece structure in the forward direction and press the rotation piece structure to the first and second springs, the first and second springs apply restoring force to act on the rotation piece structure to move the rotation piece structure in the reverse direction to maintain the balance between the left and right wheels of the operating vehicle.

In an embodiment of the invention, the balance shaft structure further includes a housing, and the upper and lower portions of the housing respectively have an upper opening and a lower opening, wherein the housing is used for covering the whole balance shaft structure.

In an embodiment of the invention, the balance shaft structure further includes an ear-shaped fixing block, wherein a middle portion of the ear-shaped fixing block passes through the upper opening of the housing to be pivotally connected to the plurality of connecting studs of the cover plate.

In an embodiment of the present invention, the rotating plate structure and the rotating shaft structure are linked with each other, and the limiting ball is engaged with one of the limiting grooves according to the actuation, so as to prevent the vehicle from sliding sideways when the vehicle is parked.

In one embodiment of the invention, two sides of the ear-shaped fixing block are pivoted with 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 traveling vehicle, and the connecting rods are respectively fixedly inserted into two sides of the mounting seat.

In an embodiment of the invention, when the traveling vehicle tilts during traveling to generate a tilting angle and a torsion, the connecting plate transmits the torsion to the balance shaft structure through the ear-shaped fixing block, and the balance shaft structure receives an external force and then acts on the rotating piece structure to generate angular rotation to keep the traveling vehicle balanced, wherein the torsion is the external force.

In summary, the balance shaft structure disclosed in the embodiments of the present invention can achieve the following effects:

1. the lifting tricycle has better balance and controllability when moving.

2. Generates a reverse acting force and a rotation angle to maintain the balance of the vehicle body, thereby not only improving the stability during operation, but also increasing the safety during traveling.

The purpose, technical content, features and effects of the present invention will be more readily understood by the detailed description of the embodiments.

Drawings

Fig. 1 is a schematic view of a running vehicle having a balance shaft structure of the present invention.

Fig. 2 is an enlarged schematic view of the hinge connecting plate of the balance shaft structure of the present invention.

Fig. 3 is another enlarged view of the pivot connection plate of the balance shaft structure of the present invention.

Fig. 4 is an external view schematically showing the balance shaft structure of the present invention.

Fig. 5 is a separate exploded schematic view of the balance shaft structure of the present invention.

Fig. 6 is a schematic view of the internal configuration of the balance shaft structure of the present invention.

Fig. 7 is a top view of the balance shaft structure of the present invention.

Fig. 8 is a sectional view taken along line a-a of fig. 7 of the balance shaft structure of the present invention.

Fig. 9 is a sectional view taken along line B-B of fig. 7 of the balance shaft structure of the present invention.

Fig. 10 is a schematic diagram of the operation of the balance shaft structure of the present invention.

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

Fig. 12 is a left side oblique view of the running vehicle having the balance shaft structure of the present invention.

Fig. 13 is a right side oblique view of the running vehicle having the balance shaft structure of the present invention.

Fig. 14 is a schematic view of a preferred embodiment of the present invention having a balance shaft structure.

Description of reference numerals: 10-a front support; 20-a connecting plate; 30-a screw cap; 110-a support base; 112-connecting grooves; 120-a base; 122-a connecting rod; 130-a first spring; 135-a first guide tab; 140-a second spring; 145-a second guide tab; 150-a rotating shaft structure; 155-a limit groove; 156-a positioning bead; 160-rotating plate configuration; 170-cover plate; 172-connecting screw posts; 180-ear type fixing block; 190-a bearing; BR-back seat; a CR-operating vehicle; h1-upper opening; h2-lower opening; SR-mounting seat; TR1 — first accommodation space; TR2 — second accommodation space; RB-shell; theta-the tilt angle.

Detailed Description

In order to solve the problem that the existing three-wheel type running vehicle loses balance when going on a bumpy road or trying to turn during running and improve the accident of overturning during turning of the running vehicle, the inventor conducts research and development for many years and then introduces in detail how to achieve the most efficient functional appeal by using a balance shaft structure of a left wheel and a right wheel which is suitable for a stable and balanced running vehicle.

Referring to fig. 1 to 6 and 14, fig. 1 is a schematic view of a running vehicle with a balance shaft structure according to the present invention. Fig. 2 is an enlarged schematic view of the hinge connecting plate of the balance shaft structure of the present invention. Fig. 3 is another enlarged view of the pivot connection plate of the balance shaft structure of the present invention. Fig. 4 is an external view schematically showing the balance shaft structure of the present invention. Fig. 5 is a separate exploded schematic view of the balance shaft structure of the present invention. Fig. 6 is a schematic view of the internal configuration of the balance shaft structure of the present invention. Fig. 14 is a schematic view of a preferred embodiment of the present invention having a balance shaft structure. The embodiment of the invention provides a balance shaft structure TA which is suitable for stably balancing a left wheel and a right wheel of a running vehicle CR so as to improve the balance and the controllability of the running vehicle CR, namely, the situation that the vehicle body of the running vehicle CR is excessively inclined can be avoided. The balance shaft structure 100 is disposed on the mounting seat SR of the operation vehicle CR, and the connecting rod 122 is respectively fixed on two sides of the mounting seat SR in a penetrating manner, wherein the mounting seat SR is adjacent to the rear seat BR. In detail, the balance shaft structure TA includes a supporting 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 support base 110 is a symmetrical assembly, wherein the two middle side wings of the support base 110 are respectively provided with a connecting slot 112. The two ends of the base 120 are respectively provided with a connecting rod 122, and the base 120 is disposed at the center of the supporting base 110, and the connecting rods 122 at the two sides of the base 120 are respectively located at the connecting slots 112 at the two sides of the middle of the supporting base 110, wherein the base 120 divides the supporting base 110 into a first accommodating space TR1 and a second accommodating space TR 2. In one embodiment, the support base 110 is a symmetrical groove in its entirety, and the connecting groove 112 is a sub-groove, which is a one-piece support base. In another embodiment, the support base 110 is integrally formed as two separate and symmetrical concave bodies, and the connecting slot 112 of each concave body is a hole, as shown in fig. 14, which is a separate and independent support base. 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 according to the embodiment of the invention covers the first guiding plate 135 and is commonly disposed in the first accommodating space TR1, wherein the first guiding plate 135 is abutted against and connected to two side walls of the first accommodating space TR1, so that the first spring 130 only performs the compressing or restoring motion along the direction of the first guiding plate 135. The second spring 140 of the embodiment of the invention covers the second guiding plate 145 and is commonly disposed in the second accommodating space TR2, wherein the second guiding plate 145 abuts against and is connected to two side walls of the second accommodating space TR2, so that the second spring 140 only performs a compressing or restoring motion along the direction of the second guiding plate 145. As shown in fig. 6, a portion of the rotating shaft structure 150 is disposed inside the middle of the base 120, and another portion of the rotating shaft structure 150 is exposed outside the middle of the base 120, and the rotating shaft structure 150 of the embodiment of the present invention has a plurality of limiting grooves 155 and a positioning ball 156, wherein the rotating shaft structure 150 has at least one bearing 190 or a shaft sleeve.

Furthermore, the rotating plate structure 160 is disposed across the first and second mounting spaces TR1 and TR2, and the middle portion of the rotating plate structure 160 is connected to the rotating shaft structure 150, and two ends of the rotating plate structure 160 are respectively located between the first and second springs 130 and 140 and respectively engaged with the first and second guiding plates 135 and 145, 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 is engaged with one of the limiting grooves 155 according to the operation of the integral balance shaft structure TA, so as to prevent the vehicle from sliding sideways 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 studs 172 for facilitating the pivot connection. The spirit of the present invention is to maintain the balance by the angular rotation of the rotor structure 160 in the balance shaft structure 100 when the traveling vehicle CR is going to turn on a road surface or during traveling.

Referring to fig. 7 to 10, fig. 7 is a top view of the balance shaft structure of the present invention. Fig. 8 is a sectional view taken along line a-a of fig. 7 of the balance shaft structure of the present invention. Fig. 9 is a sectional view taken along line B-B of fig. 7 of the balance shaft structure of the present invention. Fig. 10 is a schematic diagram of the operation of the balance shaft structure of the present invention. The balance shaft structure TA further includes a housing RB (a sub-housing including an upper portion and a lower portion) and an ear-shaped fixing block 180. Further, 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 entirety of the balance shaft structure TA. In addition, the middle portion of the ear-shaped fixing block 180 passes through the upper opening H1 of the housing RB to be pivotally connected to the plurality of connecting studs 172 of the cover plate 170. The ear-shaped fixing block 180 is pivotally connected at both sides thereof to the connecting plate 20 of the front frame 10 of the traveling vehicle CR so as to be integrally interlocked (pivotally connected by the nuts 30).

Fig. 10, 12 and 13 are combined to understand the balance shaft structure TA, and fig. 12 is a schematic left-side inclination view of the traveling vehicle having the balance shaft structure according to the present invention. Fig. 13 is a right side oblique view of the running vehicle having the balance shaft structure of the present invention. When the balance shaft structure TA receives an external force to move the rotating plate structure 160 in the forward direction and press the rotating plate structure 160 to the first spring 130 and the second spring 140, the first spring 130 and the second spring 140 will apply a restoring force after being compressed to react on the rotating plate structure 160 and make the rotating plate structure 160 move in the reverse direction to maintain the balance between the left and right wheels of the running vehicle CR, that is, the rotating plate structure 160 generates an angular rotation to keep the running vehicle CR in balance, or generates a reverse acting force to maintain the balance of the vehicle body.

When the operating cart CR tilts during the moving process to generate an inclination angle θ and a torsion, the connecting plate 20 connected to the front bracket 10 transmits the torsion to the balance shaft structure TA through the ear-shaped fixing block 180, and the balance shaft structure TA acts on the rotating plate structure 160 and the rotating shaft structure 150 after receiving an external force, and the rotating plate structure 160 generates an angular rotation to keep the operating cart balanced, 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 at which the running vehicle CR according to the embodiment of the present invention can maintain balance when running on a bumpy road surface is 30 degrees. In addition, as can be seen from the side views of fig. 8 and 9, the bearings 190 in the embodiment of the present invention have four bearings and are respectively disposed at four positions adjacent to the central rotating shaft.

Fig. 11 is a side view of another embodiment of a balance shaft structure of the present invention. Those skilled in the art can understand the structure and operation mechanism of fig. 11 according to the above embodiments, and the description thereof is omitted here.

In summary, the balance shaft structure disclosed in the embodiments of the present invention can achieve the following effects:

1. the lifting tricycle has better balance and controllability when moving.

2. Generates a reverse acting force and a rotation angle to maintain the balance of the vehicle body, thereby not only improving the stability during operation, but also increasing the safety during traveling.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.