阅读说明：本技术 一种三轮车平衡悬架和三轮车 (Tricycle balanced suspension and tricycle ) 是由 陈云 洪汉池 徐舒进 兰婷 于 2020-06-17 设计创作，主要内容包括：本发明提供了一种三轮车平衡悬架,涉及平衡装置技术领域,包括摆动架、安装架以及平衡机构,所述摆动架具有上横梁和下横梁,两横梁的左右两端均通过与连杆相铰接以形成一整体框架,且所述上横梁与所述下横梁能够沿其中部绕外部车架转动,以带动所述横梁两端与各自相连的所述连杆之间的角度变化呈一上一下摆动。所述连杆的外侧面均设有用以装配后轮的所述安装架。所述平衡机构配置于所述摆动架内,并为所述横梁的转动提供弹性缓冲及平衡调节,使得三轮车的重心大致保持在该平衡悬架沿车架中线的竖直面上,从而提高三轮车的安全性。本申请另提供一种三轮车。(The invention provides a balance suspension of a tricycle, which relates to the technical field of balance devices and comprises a swing frame, a mounting frame and a balance mechanism, wherein the swing frame is provided with an upper cross beam and a lower cross beam, the left end and the right end of the two cross beams are hinged with connecting rods to form an integral frame, and the upper cross beam and the lower cross beam can rotate around an external frame along the middle part of the upper cross beam and the lower cross beam so as to drive the angle change between the two ends of the cross beams and the connecting rods which are respectively connected to the cross beams to swing up and down. The lateral surface of connecting rod all is equipped with and is used for assembling the mounting bracket of rear wheel. The balancing mechanism is arranged in the swing frame and provides elastic buffering and balance adjustment for the rotation of the cross beam, so that the gravity center of the tricycle is approximately kept on a vertical plane of the balance suspension frame along the center line of the frame, and the safety of the tricycle is improved. The present application further provides a tricycle.)

1. A balanced suspension for a tricycle, comprising: the device comprises a swing frame, a mounting frame and a balance mechanism;

the swing frame is provided with an upper cross beam and a lower cross beam, and the left end and the right end of the two cross beams are hinged with the connecting rod to form an integral frame; the upper cross beam and the lower cross beam can rotate around an external frame along the middle parts of the upper cross beam and the lower cross beam so as to drive the two ends of the cross beam and the connecting rods which are respectively connected to the two ends of the cross beam to swing up and down in an angle change manner;

the outer side surfaces of the two connecting rods are respectively provided with the mounting rack for assembling a rear wheel;

the balancing mechanism is disposed within the swing frame and provides resilient cushioning and balancing adjustment for the swing frame rotation such that the center of gravity of the tricycle is substantially maintained on a vertical plane of the counterbalanced suspension along the frame centerline.

2. The balanced suspension of claim 1, wherein the upper and lower cross members are disposed opposite to each other, and the connecting rod is disposed substantially vertically in the swing frame and is hinged to the two cross members by a hinge block.

3. The balanced suspension of claim 2, wherein at least one removable spacer is provided between each cross member and the pivot block to adjust the angle between the connecting rod and the cross member, such that the angle of the mounting bracket is adjustable to correspondingly adjust the camber angle of the rear wheel.

4. The balanced suspension of claim 2, wherein the upper and lower cross members are substantially diamond-shaped frames, each diamond-shaped frame is hinged to the hinge block at one diagonal end, and a cross bar is connected to the other diagonal end and extends through the diamond-shaped frame along the centerline of the frame.

5. The balanced suspension of claim 4, wherein the upper cross member is fixedly connected to the cross bar provided on the lower cross member by a hinge seat; the two hinge seats are respectively arranged at two ends of the cross rod extending out of the cross beam; the hinged seat is provided with a shaft hole approximately positioned on the center line of the frame, so that a main beam of the frame can rotatably penetrate through the shaft hole.

6. The tricycle counterbalanced suspension of claim 4, wherein the counterbalance mechanism comprises a resilient member disposed generally diagonally inside the swing frame; the two elastic pieces are symmetrically arranged along the two sides of the center line direction of the frame; one end of each elastic piece is fixed in the middle of the cross rod of one cross beam, the other end of each elastic piece is arranged on the hinge block on one side of the other cross beam, and the two elastic pieces are correspondingly in a stretching or compressing state along with the rotation of the cross beams so as to adaptively adjust the gravity center position.

7. The tricycle balance suspension according to claim 6, wherein the joint of the hinge block and the elastic member is provided with a triggering portion protruding towards the elastic member, and the triggering portion moves towards the direction close to or away from the elastic member under the driving of the hinge block through the rotation of the swing frame, and correspondingly presses or pulls the elastic member.

8. The tricycle balanced suspension according to claim 6, wherein the elastic member comprises a sleeve having a hollow tubular structure, an inner rod telescopically arranged in the sleeve, and a spring sleeved on the inner rod; the sleeve is arranged on the cross rod, and the inner rod is arranged on the hinge block;

one end of the inner rod is sleeved in the sleeve, and the other end of the inner rod is provided with a first supporting seat; the end part of the sleeve, which is close to the inner rod, is correspondingly provided with a second supporting seat, and the spring is arranged between the two supporting seats; the inner rod reciprocates in the sleeve by compressing or extending the spring.

9. The balanced suspension of claim 8, wherein the resilient member further comprises an adjustment nut for adjusting the relative position of the seats to adjust the preload of the spring received in the seat.

10. A tricycle comprising a frame and a balanced suspension for a tricycle according to any of claims 1 to 9 provided with the frame, wherein a front wheel is provided at a front end of a main beam of the frame.

Technical Field

The invention relates to the technical field of balancing devices, in particular to a tricycle balancing suspension and a tricycle.

Background

The suspension of tricycle mainly used supports the whole weight of tricycle, and when riding, ordinary suspension is when turning or controlling the level of two-wheeled not the same, because the characteristic drawback of tricycle self, the situation of easily tumbling can appear, brings more serious potential safety hazard for the driving. Mainly because the uneven road surface leads to the centre of gravity of tricycle to shift in the driving process to cause the skew of vehicle, turn on one's side.

The prior art for balancing the tricycle generally adopts a mode of matching a balancing rod and a buffer block to make up the problem of stress deflection caused by the deviation of the center of gravity, so that the impact on a frame is reduced, but the problem of side turning of the tricycle cannot be solved essentially.

Also like this balance mechanism of "tricycle rear suspension balance mechanism" that chinese patent CN208812921U disclosed, this balance mechanism includes balancing pole, gum cover, staple bolt, lock nut, buffer block, connecting rod, and joint bearing, the pole body of balancing pole is fixed with the gum cover symmetrically, the staple bolt cladding is in the gum cover outside, connect fixedly through bolt and frame part, make balancing pole and frame part zonulae occludens, be fixed with the connecting rod through lock nut at the both ends of balancing pole, there is joint bearing at the lower extreme threaded connection of connecting rod, its joint bearing is installed on the axle of trailing arm, can restrain the focus of tricycle and rise, prevent to heeling. But the side-turning condition of the tricycle is only partially relieved, and when the tricycle is in the condition of uneven load caused in other driving processes, the balance problem of the tricycle cannot be really solved by the scheme.

Disclosure of Invention

The invention discloses a balance suspension of a tricycle, aiming at solving the problems of vehicle deflection and side turning caused by gravity center shift due to uneven road surface in the process of driving the tricycle by using a common suspension of the tricycle.

The invention adopts the following scheme:

a balance suspension of a tricycle comprises a swing frame, a mounting frame and a balance mechanism, wherein the swing frame is provided with an upper cross beam and a lower cross beam, and the left end and the right end of each of the two cross beams are hinged with a connecting rod to form an integral frame; the upper cross beam and the lower cross beam can rotate around an external frame along the middle parts of the upper cross beam and the lower cross beam so as to drive the two ends of the cross beam and the connecting rods which are respectively connected to the two ends of the cross beam to swing up and down in an angle change manner; the outer side surfaces of the two connecting rods are provided with the mounting frames used for assembling the rear wheels. The balancing mechanism is disposed within the swing frame and provides resilient cushioning and balancing adjustment for the swing frame rotation such that the center of gravity of the tricycle is substantially maintained on a vertical plane of the counterbalanced suspension along the frame centerline.

As a further improvement, the upper cross beam and the lower cross beam are arranged oppositely, and the connecting rod is approximately vertically arranged in the swing frame and is hinged with the two cross beams through the hinge block.

As a further improvement, at least one detachable gasket is arranged between each cross beam and the hinge block to adjust the included angle between the connecting rod and the cross beam, so that the angle of the mounting frame is adjustable, and the inner inclination angle of the rear wheel is correspondingly adjusted.

As a further improvement, the upper cross beam and the lower cross beam are roughly rhombic frames, the rhombic frames are positioned at two ends of a diagonal line and are respectively hinged with the hinging blocks, two ends of the other diagonal line are connected with a cross rod, and the cross rod penetrates through the rhombic frames along the central line direction of the frame.

As a further improvement, the upper cross beam and the cross beam arranged on the lower cross beam are connected and fixed through a hinge seat; the two hinge seats are respectively arranged at two ends of the cross rod extending out of the cross beam; the hinged seat is provided with a shaft hole approximately positioned on the center line of the frame, so that a main beam of the frame can rotatably penetrate through the shaft hole.

As a further improvement, the balance mechanism comprises an elastic member arranged in the swinging frame in a generally oblique manner; the two elastic pieces are symmetrically arranged along the two sides of the center line direction of the frame; one end of each elastic piece is fixed in the middle of the cross rod of one cross beam, the other end of each elastic piece is arranged on the hinge block on one side of the other cross beam, and the two elastic pieces are correspondingly in a stretching or compressing state along with the rotation of the cross beams so as to adaptively adjust the gravity center position.

As a further improvement, a connecting part of the hinge block and the elastic member is provided with a trigger part protruding towards the direction of the elastic member, and the trigger part moves towards the direction close to or far from the elastic member under the driving of the hinge block through the rotation of the swing frame, and correspondingly presses or pulls the elastic member.

As a further improvement, the elastic part comprises a sleeve with a hollow tubular structure, an inner rod telescopically arranged in the sleeve and a spring sleeved on the inner rod; the sleeve is arranged on the cross rod, and the inner rod is arranged on the hinge block;

one end of the inner rod is sleeved in the sleeve, and the other end of the inner rod is provided with a first supporting seat; the end part of the sleeve, which is close to the inner rod, is correspondingly provided with a second supporting seat, and the spring is arranged between the two supporting seats; the inner rod reciprocates in the sleeve by compressing or extending the spring.

As a further improvement, the elastic part is also provided with an adjusting nut which is used for adjusting the relative position of each supporting seat, so that the preload of the spring sleeved in the supporting seat is adjusted and controlled.

A tricycle comprises a frame and the tricycle balance suspension provided with the frame, wherein a front wheel is arranged at the front end of a main beam of the frame.

By adopting the technical scheme, the invention can obtain the following technical effects:

the application balanced suspension of tricycle, the rear wheel is in a high low position when driving on hollow ground, the connecting rod is vertical approximately along with the motion of wheel, the swing span is one-to-one swing with the connecting rod is articulated, arrange the balance mechanism in the swing span and provide elasticity buffering and balance adjustment for the swing span. When the tricycle runs on a curve or a slope, the two rear wheels form a certain included angle with the ground due to different loads, the connecting rod moves along with the wheels in an approximately oblique mode, the swing frame swings in a hinged mode with the connecting rod to balance the loads of the two wheels through the balance mechanism, the gravity center of the tricycle is adjusted in a self-adaptive mode to be kept on a vertical surface along the center line of the frame, the situation that the balance is broken due to gravity center deviation and the like in the running process is avoided, and therefore the tricycle is balanced to improve safety of the tricycle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a balanced suspension for a tricycle in accordance with an embodiment of the invention;

FIG. 2 is a schematic structural view of the balanced suspension of FIG. 1 in a flat road traveling vehicle;

FIG. 3 is a bottom view of the balanced suspension of FIG. 2 in a flat road ride;

FIG. 4 is a schematic structural diagram of the balanced suspension of FIG. 1 in a traveling vehicle on uneven roads;

FIG. 5 is a schematic structural view of the balanced suspension of FIG. 1 traveling in a curve or slope;

FIG. 6 is a schematic view of the structure of the elastic member of FIG. 1;

fig. 7 is a sectional view of the elastic member of fig. 5.

Icon: 1-a hinged block; 2-an elastic member; 21-a first end bearing; 22-an adjusting nut; 23-a first support; 24-an inner rod; 25-a spring; 26-a second support seat; 27-a sleeve; 28-a second end bearing; 29-plastic bearings; 3-upper beam; 4-a cross bar; 5-a frame; 6-mounting a frame; 7-a connecting rod; 8-a lower cross beam; 9-a hinged seat; 10-trigger part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.