TWM621268U - Vehicle shock-absorbing balance mechanism - Google Patents

Abstract

A vehicle shock-absorbing balance mechanism, which includes a base, two wheel sets, two connecting rod sets and a rocker arm seat. The rocker arm seat system can swing left and right on the base and each connecting rod set is connected One of the wheel sets, the base and the rocker arm seat. The at least one first elastic buffer member and the at least one second elastic buffer member provided in the rocker arm seat have a buffering effect on the transmission between the two linkage groups, and make the vehicle equipped with the new type of shock absorber The locomotive of the balance mechanism assists the resetting of the connecting rod set and the wheel set when traveling on uneven roads, so that the wheels on both sides can automatically keep in line with the road, so that the locomotive is kept in a balanced state and vibration is reduced, thereby improving riding The comfort of the ride.

Description

Vehicle shock-absorbing balance mechanism

The new model relates to a vehicle shock-absorbing balance mechanism, in particular to a vehicle shock-absorbing balance mechanism used as a front wheel set or a rear wheel set of a three-wheel or four-wheel locomotive.

Two-wheeled locomotives commonly used in the prior art have a front wheel and a rear wheel each. The advantages of two-wheeled locomotives are high mobility and dexterous control. The rider's sense of balance is required to maintain balance and enable the locomotive to move forward steadily. , But when it encounters uneven roads, crosswinds or collisions, it is easy to cause the two-wheeled locomotive to tip over, and thus cause injury to the rider and passengers.

In order to adapt to the special terrain and improve the stability of the locomotive during travel and parking, the prior art also has three-wheeled locomotives with one front wheel, two rear wheels, or two front wheels and one rear wheel, and even four-wheeled locomotives with two front wheels and two rear wheels. locomotive. Among them, the front wheel set or the rear wheel set with two wheels is mainly connected to the frame of the locomotive via a suspension system. The design of the suspension system is different from each depot, but it is mostly a shock absorber. Connect the frame and the two wheels with a linkage group, the linkage group is used to make the two wheels move up and down relative to the frame in response to the undulations of the terrain, and the shock absorber is used to absorb the ground undulations The vibration is generated to maintain the comfort and stability of the rider riding on the frame.

However, the prior art three-wheeled or four-wheeled motorcycles mainly rely on the weight of the vehicle body and the rider to make all the wheels fit the road surface, and use the linkage group to drive and use the shock absorber to reduce uneven riding. It does not have a structure that can buffer the action of the connecting rod assembly, nor does it have a design that can assist the resetting of the connecting rod assembly and the wheels. It needs further improvement.

In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a vehicle suspension balance mechanism, which can buffer the transmission between the components of the connecting rod group, keep the locomotive in a balanced state, reduce vibration, and improve the riding process. Comfort.

In order to achieve the above-mentioned creative purpose, the technical means adopted by this new model is to make a vehicle shock-absorbing balance mechanism include: A base with a through slot formed between two side surfaces of the base, the base is provided with a pivot shaft and a pressure rod, the pivot shaft and the pressure rod are fixed Between the two groove walls in the trough; Two wheel sets, which are respectively arranged on both sides of the base, each wheel set has a wheel and an axle connecting portion, and the axle connecting portion is arranged on an inner side of the wheel; Two connecting rod sets, each connecting rod set connects the base and the shaft connection part of one of the wheel sets, and has an upper bracket, a lower bracket, and a transmission rod. The upper bracket extends laterally between the base and the phase Between the corresponding wheel sets, one end of the upper bracket is pivotally connected to the base, and the other end is pivotally connected to the shaft connecting portion of the corresponding wheel set. The lower bracket and the upper bracket are arranged parallel to each other and spaced apart from each other. Below the upper bracket, one end of the lower bracket is pivotally connected to the base, and the other end is pivotally connected to the shaft connecting portion of the corresponding wheel set, and the transmission rod is extended between the upper bracket and the lower bracket, The opposite ends of the transmission rod are respectively a first end and a second end, and the second end of the transmission rod and the lower bracket are pivotally connected to each other; A rocker arm seat, which can swing left and right through the through slot of the base, the rocker arm seat has a rocking part, an extension part, at least one first elastic buffer member and at least one second elastic buffer member The rocking portion is movably installed in the through slot of the base, the rocking portion has two pivoting ends and an arc sliding groove, and the two pivoting ends are located at opposite ends of the rocking portion , And are respectively pivotally connected to the first ends of the transmission rods of the two linkage groups, the arc-shaped sliding groove is formed between the two pivotal ends, the pressure rod of the base penetrates the arc-shaped sliding groove, and the extension The extension portion is provided between the two pivoting ends of the rocking portion, and the extension portion extends from the rocking portion along the radial direction of the arc-shaped sliding groove, and is pivotally connected to the pivot shaft of the aforementioned base, the at least one first The elastic buffer member is arranged in the arc-shaped sliding groove of the rocking portion and is located between the pressing rod and one of the pivotal ends. Both ends of each first elastic buffer member are respectively connected to the pressing rod and the corresponding The at least one second elastic buffer element is arranged in the arc-shaped chute of the rocking portion and is located between the pressing rod and the other pivot end, two of each second elastic buffer element The ends are respectively connected to the pressing rod and the corresponding pivotal ends.

In the vehicle shock-absorbing and balancing mechanism, each link group can have a longitudinal connecting rod, the longitudinal connecting rod extends between the upper bracket and the lower bracket, and both ends of the longitudinal connecting rod are pivotally connected to each other On the upper bracket and the lower bracket.

In the vehicle suspension balance mechanism, each link group can have a transverse connecting rod, the transverse connecting rod extends between the base and the corresponding wheel set, and the transverse connecting rods are respectively pivotally connected On the base and the corresponding axle joint part of the wheel set.

In the aforementioned vehicle suspension balance mechanism, the thickness of each pivot end of the rocking portion of the rocker arm seat can be greater than the width between the two groove walls in the through groove of the base.

In the vehicle shock-absorbing balance mechanism, the transmission rod of each connecting rod group can be a shock absorber whose length is extendable.

In the aforementioned vehicle shock-absorbing and balancing mechanism, the at least one first elastic buffer member can include a plurality of first elastic buffer members, and the at least one second elastic buffer member can include a plurality of second elastic buffer members.

With the above-mentioned design, the at least one first elastic cushioning member and the at least one second elastic cushioning member provided in the rocker arm seat will have a cushioning effect on the transmission between the two linkage groups. And make the locomotive equipped with the vehicle suspension balance mechanism of the present invention assist the resetting of the connecting rod set and the wheel set when traveling on uneven roads, so that the wheels on both sides can automatically keep in line with the road and keep the locomotive It is in a balanced state and reduces vibration, thereby improving the comfort of the riding process.

In the following, in conjunction with the drawings and the preferred embodiments of the present invention, the technical means adopted by the present invention to achieve the intended purpose of the novel are further described.

Referring to Figures 1 and 2, the vehicle suspension balance mechanism of the present invention can be used as the front wheel set and/or rear wheel group of a three-wheel or four-wheel locomotive. The vehicle suspension balance mechanism includes a base 10 and two wheels. Group 20, two-link group 30 and a rocker base 40.

As shown in Fig. 3, the base 10 is used to connect the frame of the three-wheeled or four-wheeled locomotive. Between the two side surfaces of the base 10, two opposite groove walls are formed in the through slot 11, and the base 10 is provided with a pivot shaft 12 and a pressing rod 13, the pivot shaft 12 and the The pressing rods 13 are fixed axially parallel to each other between the two groove walls in the through groove 11.

The two wheel sets 20 are respectively arranged on both sides of the base 10, one left and one right. Each wheel set 20 has a wheel 21 and an axle joint 22. The wheel 21 has an inner side surface, and the inner side surface of the wheel 21 Facing one of the corresponding side surfaces of the base 10, the axle connecting portion 22 is provided on the inner surface of the wheel 21.

Referring to Figures 1, 2 and 4, one of the connecting rod groups 30 connects the base 10 and the shaft connecting portion 22 of one of the wheel groups 20, and the other connecting rod group 30 connects the base 10 and the other wheel For the shaft connecting portion 22 of the group 20, each connecting rod group 30 has an upper bracket 31, a lower bracket 32, a transmission rod 33, a longitudinal connecting rod 34 and a horizontal connecting rod 35.

The upper bracket 31 extends laterally between the base 10 and the corresponding wheel set 20. One end of the upper bracket 31 is pivotally connected to the base 10, and the other end is pivotally connected to the corresponding wheel set 20.轴接部22。 Shaft joint 22. The lower bracket 32 and the upper bracket 31 are arranged parallel to and spaced from each other below the upper bracket 31, one end of the lower bracket 32 is pivotally connected to the base 10, and the other end is pivotally connected to the corresponding wheel set 20的轴接部22。 的轴接部22. The transmission rod 33 is extended between the upper support 31 and the lower support 32, opposite ends of the transmission rod 33 are a first end and a second end, respectively, and the second end of the transmission rod 33 It is pivotally connected to the lower bracket 32.

The longitudinal connecting rod 34 also extends between the upper support 31 and the lower support 32, and two ends of the longitudinal connecting rod 34 are pivotally connected to the upper support 31 and the lower support 32, respectively. The transverse connecting rod 35 extends between the base 10 and the corresponding wheel set 20, and the transverse connecting rod 35 is pivotally connected to the shaft joint 22 of the base 10 and the corresponding wheel set 20 respectively. The longitudinal connecting rod 34 and the transverse connecting rod 35 can be used to assist in improving the structural strength of the connecting rod group 30.

As shown in Fig. 3 and Fig. 5, the rocker arm seat 40 can swing left and right through the slot 11 of the base 10. The rocker arm seat 40 has a rocking portion 41, an extension portion 42, and at least A first elastic buffer member 43 and at least one second elastic buffer member 44.

The rocking portion 41 is movably installed in the through slot 11 of the base 10 to move left and right. The rocking portion 41 has two pivotal ends 411 and an arc-shaped sliding groove 412. The two pivotal ends 411 are located at the The opposite ends of the rocking portion 41 protrude from the through slot 11 of the base 10 and are respectively pivotally connected to the first end of the transmission rod 33 of the two link sets 30, and the arc-shaped sliding groove 412 is formed in the two Between the pivot ends 411, the pressing rod 13 of the base 10 penetrates the arc-shaped sliding groove 412 to restrict the rocking portion 41 from moving left and right along the path formed by the arc-shaped sliding groove 412. Further referring to FIG. 8, the thickness D of each pivotal end 411 of the rocking portion 41 is greater than the width W between the two groove walls in the through groove 11 of the base 10, so that the rocking portion 41 will face Move left or right until one of the pivoted ends 411 abuts against the base 10, thereby further restricting the range where the rocking portion 41 can move left and right.

The extension portion 42 is provided between the two pivot ends 411 of the rocking portion 41, and the extension portion 42 extends along the radial direction of the arc sliding groove 412 of the rocking portion 41, and one end of the extension portion 42 is fixedly connected to The rocking portion 41 and the other end are pivotally connected to the pivot shaft 12 of the aforementioned base 10 so that the rocker arm 40 can swing left and right with the pivot shaft 12 of the base 10 as the axis.

The at least one first elastic buffer member 43 is disposed in the arc-shaped sliding groove 412 of the rocking portion 41, and is located between the pressing rod 13 and one of the pivotal ends 411, two of each first elastic buffer member 43 The ends are respectively connected to the pressing rod 13 and the corresponding pivotal end 411, the at least one second elastic buffer member 444 is provided in the arc-shaped sliding groove 412 of the rocking portion 41, and is located between the pressing rod 13 and the other Between a pivotal end 411, two ends of each second elastic buffer member 44 are respectively connected to the pressing rod 13 and the corresponding pivotal end 411. In the specific embodiment of the present invention, the at least one first elastic buffer member 43 includes a plurality of first elastic buffer members 43, and the at least one second elastic buffer member 44 includes a plurality of second elastic buffer members 44. By adjusting the number of the first elastic buffer member 43 and the second elastic buffer member 44, the buffer effect formed by the first elastic buffer member 43 and the second elastic buffer member 44 on the rocker arm seat 40 can be adjusted.

In the specific embodiment of the present invention, the transmission rod 33 of each connecting rod group 30 is a shock absorber with a stretchable length, and the transmission rod 33 includes a shock-absorbing cylinder 331 and an auxiliary buffer elastic member 332. The opposite ends of the shock-absorbing cylinder 331 respectively form the first end and the second end of the aforementioned transmission rod 33, so as to be respectively pivotally connected to the corresponding pivotal end of the rocking portion 41 of the rocker arm seat 40 411 and the lower bracket 32. Specifically, the shock-absorbing pressure cylinder 331 is mainly composed of a cylinder body and a piston rod, and the structure of the shock-absorbing pressure cylinder 331 is the prior art, and will not be repeated. In order to achieve a better use effect, the shock-absorbing pressure cylinder 331 is a hydraulic cylinder, but not limited to this, the shock-absorbing pressure cylinder 331 can also be a pneumatic cylinder. The auxiliary cushioning elastic member 332 is sleeved on the damping cylinder 331, and two ends of the auxiliary cushioning elastic member 332 abut against opposite ends of the damping cylinder 331, that is, the auxiliary cushioning elastic member 332 The two ends respectively abut against the first end and the second end of the transmission rod 33. Specifically, the auxiliary buffer elastic member 332 can be a compression spring.

Refer to Figures 6 and 7, the three-wheeled or four-wheeled locomotive equipped with the new type of vehicle suspension and balance mechanism is walking on uneven roads such as slopes, steps, gravel roads, etc. When the wheel set on one side When 20 is raised up due to road conditions, the corresponding link set 30 will drive the rocker arm seat 40 to swing to the other side, and at the same time drive the link set 30 and wheel set 20 on the other side to sink. , The at least one first elastic buffer member 43 in the rocker arm seat 40 will be compressed, the at least one second elastic buffer member 44 will be stretched, the at least one first elastic buffer member 43 and the at least one second elastic member 43 will be compressed. The elastic restoring force of the two buffer elastic members 44 will drive the two connecting rod set 30 and the two wheel set 20 to move in the opposite direction, so that the wheels 21 on both sides can automatically keep in line with the road and keep the locomotive in balance. state.

Further referring to Figures 4 and 5, when the three-wheeled or four-wheeled locomotive provided with the vehicle suspension balance mechanism of the present invention travels on a flat road surface, the at least one first elastic buffer member 43 and the at least one second The elastic restoring force of the two buffer elastic members 44 will push the two link sets 30 to drive the two wheel sets 20 to move downward and upward respectively, so that the wheels 21 on both sides can automatically keep in line with the road and move forward. The locomotive is in equilibrium.

The advantage of the vehicle shock-absorbing and balancing mechanism of the present invention is that the at least one first elastic cushioning member 43 and the at least one second elastic cushioning member 44 arranged in the rocker arm seat 40 are connected to the two connecting rod groups 30 The transmission between the two produces a buffering effect, and enables the locomotive equipped with the vehicle suspension balance mechanism of the present invention to assist the resetting of the connecting rod set 30 and the wheel set 20 when traveling on uneven roads, so that the wheels 21 on both sides can be It automatically keeps the road in line with the road, keeps the locomotive in a balanced state and reduces vibration, thereby improving the comfort of the riding process.

The above are only the preferred embodiments of the present invention and do not limit the present invention in any form. Although the present invention has been disclosed in the preferred embodiments as above, it is not intended to limit the present invention. Anyone who is familiar with the profession Without departing from the scope of the technical solution of the present invention, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

10: Pedestal 11: Wear a slot 12: pivot shaft 13: pressure bar H: width 20: Wheel set 21: Wheel 22: Shaft joint 30: Connecting rod group 31: Upper bracket 32: Lower bracket 33: drive rod 331: Damping cylinder 332: Auxiliary cushioning elastic parts 34: Longitudinal connecting rod 35: Horizontal connecting rod 40: Rocker seat 41: Shaking part 411: Pivot end D: thickness 412: Arc chute 42: Extension 43: The first elastic cushion 44: second cushioning elastic piece

Figure 1 is a perspective view of the new model. Figure 2 is another perspective view of the new model. Figure 3 is a three-dimensional exploded view of the base and rocker base of the new type. Figure 4 is a schematic front view of the new model walking on a flat road. Figure 5 is a partial enlarged schematic diagram of the front view of the new model walking on a flat road. Figure 6 is a schematic front view of the new model walking on uneven roads. Figure 7 is a partial enlarged schematic diagram of the front view of the new model walking on uneven roads. Figure 8 is a top sectional view of the base and rocker arm base of the new type.

10: Pedestal

11: Wear a slot

20: Wheel set

21: Wheel

22: Shaft joint

30: Connecting rod group

31: Upper bracket

32: Lower bracket

33: drive rod

34: Longitudinal connecting rod

40: Rocker seat

Claims (7)

A shock-absorbing balance mechanism for a vehicle, which includes a base, two wheel sets, two connecting rod sets and a rocker arm seat, wherein: The base has a through slot formed between two side surfaces of the base. The base is provided with a pivot shaft and a pressing rod. The pivot shaft and the pressing rod are fixed on the base. Between the two groove walls in the trough; The two wheel sets are respectively arranged on both sides of the base, and each wheel set has a wheel and an axle connecting portion, and the axle connecting portion is arranged on an inner side surface of the wheel; Each connecting rod set connects the base and the shaft connection part of one of the wheel sets, and has an upper bracket, a lower bracket, and a transmission rod. The upper bracket extends laterally between the base and the corresponding wheel set. In between, one end of the upper bracket is pivotally connected to the base, and the other end is pivotally connected to the shaft connecting portion of the corresponding wheel set, and the lower bracket and the upper bracket are arranged parallel to and spaced from each other below the upper bracket One end of the lower bracket is pivotally connected to the base, and the other end is pivotally connected to the shaft connecting portion of the corresponding wheel set. The transmission rod is extended between the upper support and the lower support. The two ends are respectively a first end and a second end, and the second end of the transmission rod and the lower bracket are pivotally connected to each other; The rocker arm seat is oscillated left and right in the through slot of the base. The rocker arm seat has a rocking part, an extension part, at least one first elastic buffer member and at least one second elastic buffer member. The rocking part is movably installed in the through slot of the base to move left and right, the rocking part has two pivotal ends and an arc-shaped sliding groove, the two pivoting ends are located at opposite ends of the rocking part, and They are respectively pivotally connected to the first ends of the transmission rods of the two connecting rod groups, the arc-shaped sliding groove is formed between the two pivotal ends, the pressing rod of the aforementioned base penetrates the arc-shaped sliding groove, and the extension portion is provided with Between the two pivot ends of the rocking portion, the extension portion extends from the rocking portion along the radial direction of the arc-shaped sliding groove, and is pivotally connected to the pivot shaft of the base, the at least one first buffer elasticity The member is arranged in the arc-shaped sliding groove of the rocking portion and is located between the pressing rod and one of the pivoted ends. Both ends of each first buffer elastic member are respectively connected to the pressing rod and the corresponding pivot At the end portion, the at least one second elastic buffer element is arranged in the arc-shaped sliding groove of the rocking portion and is located between the pressing rod and the other pivot end, and two ends of each second elastic buffer element are respectively Connected to the pressing rod and the corresponding pivot end. The vehicle suspension balance mechanism according to claim 1, wherein each of the aforementioned linkage groups further has a longitudinal connecting rod, the longitudinal connecting rod is extended between the upper bracket and the lower bracket, and the longitudinal connecting rod Both ends are pivotally connected to the upper bracket and the lower bracket respectively. The vehicle suspension balance mechanism according to claim 1, wherein each of the aforementioned linkage groups further has a transverse connecting rod, the transverse connecting rod extends between the base and the corresponding wheel set, and the transverse connecting rod The connecting rods are respectively pivotally connected to the base and the shaft connecting portion of the corresponding wheel set. The vehicle suspension balance mechanism according to claim 2, wherein each of the aforementioned connecting rod groups further has a transverse connecting rod, the transverse connecting rod is extended between the base and the corresponding wheel set, and the transverse connecting rod The connecting rods are respectively pivotally connected to the base and the shaft connecting portion of the corresponding wheel set. The vehicle suspension balance mechanism according to any one of claims 1 to 4, wherein the thickness of each pivotal end of the rocking portion of the aforementioned rocker arm seat is greater than the thickness of the two groove walls in the through groove of the base The width between. The vehicle suspension balance mechanism according to any one of claims 1 to 4, wherein the transmission rod of each of the aforementioned linkage groups is a shock absorber with an extendable length. The vehicle suspension balance mechanism according to any one of claims 1 to 4, wherein the at least one first elastic cushioning member includes a plurality of first elastic cushioning members, and the at least one second elastic cushioning member includes a plurality of A second cushioning elastic piece.

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