CN212290170U

CN212290170U - Tricycle balanced suspension and tricycle

Info

Publication number: CN212290170U
Application number: CN202021130120.0U
Authority: CN
Inventors: 陈云; 洪汉池; 徐舒进; 兰婷
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-01-05
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a balanced suspension of tricycle relates to balancing unit technical field, including swinging arms, mounting bracket and balance mechanism, the swinging arms has entablature and bottom end rail, and both ends all are articulated in order to form a whole frame mutually through with the connecting rod about two crossbeams, just the entablature with the bottom end rail can be followed its middle part and rotated around outside frame, in order to drive the crossbeam both ends with link to each other separately angle change between the connecting rod is swing on one and under. 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.

Description

Tricycle balanced suspension and tricycle

Technical Field

The utility model relates to a balancing unit technical field particularly, relates to a balanced suspension of tricycle and 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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a balanced suspension of tricycle aims at improving the ordinary suspension of tricycle and at the driving in-process, leads to the focus skew to cause the problem that the vehicle incline, turn on one's side because the road surface unevenness.

The utility model 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 utility model discloses can gain following technological effect:

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 view of a balanced suspension of a tricycle according to an embodiment of the present 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

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Examples

Referring to fig. 1 to 5, the present embodiment provides a balancing suspension for a tricycle, which includes a swing frame, a mounting frame 6, and a balancing mechanism. The swing frame is provided with an upper beam 3 and a lower beam 8, the left end and the right end of the two beams are hinged with a connecting rod 7 to form an integral frame, and the upper beam 3 and the lower beam 8 can rotate around an external frame 5 along the middle part thereof to drive the two ends of the beams and the connecting rods 7 which are respectively connected to swing up and down in an angle change manner. The outer side surfaces of the two connecting rods 7 are provided with mounting frames 6 for mounting rear wheels (not shown). The balancing mechanism is disposed within the swing frame and provides resilient cushioning and balancing adjustment for the swing frame rotation so that the center of gravity of the tricycle is maintained substantially on a vertical plane of the counterbalanced suspension along the centerline of the frame 5.

In the driving process, when the vehicle is driven on a hollow ground, the rear wheels are located at a high position and a low position, the connecting rod 7 moves along with the wheels in a substantially vertical mode, the swing frame is hinged with the connecting rod 7 to swing up and down, and the balance mechanism arranged in the swing frame provides elastic buffering and balance adjustment for the swing frame. 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 7 moves along with the wheels in an approximately oblique mode, the swing frame swings in a hinged mode with the connecting rod 7 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 5, the condition 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. The cross member and the frame 5 are arranged with each other to ensure that the swing angle of the swing frame is within a reasonable range.

In the embodiment, the upper beam 3 and the lower beam 8 are arranged opposite to each other, and the connecting rod 7 is approximately vertically arranged in the swing frame and is hinged with the two beams through the hinge block 1. Specifically, the two beams are relatively parallel, and the swing angles of the upper beam and the lower beam and the connecting rod 7 are the same.

Preferably, at least one removable spacer (not shown) is provided between the cross beam and the hinge block 1 to adjust the angle between the connecting rod 7 and the cross beam, so that the angle of the mounting bracket 6 can be adjusted to adjust the caster angle of the rear wheel. It should be noted that, different numbers of gaskets can be installed at the two ends of the upper cross beam 3 and the two ends of the lower cross beam 8, so that a certain included angle is formed between the connecting rod connected with the cross beam and the vertical surface, so that the rear wheel has an inner inclination angle, the included angle is the arrangement of the inner inclination angle of the rear wheel, which is beneficial to the straight running of the vehicle, and the vehicle can be ensured to run more stably by adjusting the appropriate inner inclination angle.

Specifically, in this embodiment, the upper cross beam 3 and the lower cross beam 8 are substantially rhombic frames, each rhombic frame is located at two ends of a diagonal line and is hinged to the hinge block 1, two ends of the other diagonal line are connected with a cross rod 4, and the cross rod 4 penetrates through the rhombic frame along the central line direction of the frame 5. The cross rod 4 is arranged to strengthen the stability of the middle part of the cross beam and cannot deform in the driving process.

Furthermore, the upper cross beam 3 and the cross rod 4 arranged on the lower cross beam 8 are connected and fixed through a hinge seat 9; the two hinged seats 9 are respectively disposed at two ends of the cross bar 4 extending to the outside of the cross beam, and the hinged seats 9 are provided with shaft holes approximately located on the center line of the frame 5 for the main beam of the frame 5 to rotatably penetrate through. The upper beam 3 and the lower beam 8 are connected into a whole through a hinge seat 9 to synchronously swing at the same angle. The two hinged seats 9 are arranged at the end positions where the cross bars 4 extend out relatively, so that the two cross beams can rotate around the main beam smoothly through the two hinged seats 9.

In this embodiment, the balancing mechanism includes two elastic members 2 disposed substantially diagonally inside the swing frame, and the two elastic members 2 are symmetrically disposed along both sides of the center line of the vehicle frame 5. One end of each elastic part 2 is fixed in the middle of the cross rod 4 of one cross beam, the other end of each elastic part is arranged on the hinge block 1 on one side of the other cross beam, and the two elastic parts 2 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. Particularly, when the vehicle runs on a flat ground, the two elastic pieces 2 are in the same state, and the two cross beams are parallel to the ground. The driving is in uneven ground surface, the rear wheel on the mounting bracket 6 is located the state of different heights, make the connecting rod 7 of being connected with the mounting bracket 6 follow the height state swing of crossbeam, thereby it is located articulated piece 1 of the one end with one side and rotates down around connecting rod 7, articulated piece 1 of the other end rotates up, the elastic component 2 that links up mutually with articulated piece 1 then is a tensile and a compressed state, elastic component 2 acts on the crossbeam that corresponds, thereby the adjustment focus position reaches the balance.

In this embodiment, the joint of the hinge block 1 and the elastic member 2 is provided with a triggering portion 10 protruding toward the elastic member 2, and the triggering portion 10 is driven by the hinge block 1 via the rotation of the swing frame to move toward or away from the elastic member 2, so as to correspondingly press or pull the elastic member 2. When the hinge block 1 rotates, the trigger part is driven to rotate around the hinge shaft, so that the trigger part correspondingly acts on the elastic part 2 along a direction away from the elastic part 2 (in this case, the elastic part is pulled) or a direction close to the elastic part 2 (in this case, the elastic part is pressed). It should be noted that the triggering portion 10 is always perpendicular to the end face of the hinge block 1, and rotates along with the hinge block 1 to further trigger the compression (the triggering portion presses the elastic member) or the extension (the triggering portion pulls the elastic member) of the elastic member 2.

Referring to fig. 6 to 7, the elastic member 2 includes a sleeve 27 having a hollow tubular structure, an inner rod 24 telescopically disposed in the sleeve 27, and a spring 25 sleeved on the inner rod 24. The sleeve 27 is arranged on the crossbar 4 and the inner rod 24 is arranged on the hinge block 1. One end of the inner rod 24 is sleeved in the sleeve 27, the other end of the inner rod is provided with the first supporting seat 23, the end part of the sleeve 27 close to the inner rod 24 is correspondingly provided with the second supporting seat 26, the spring 25 is arranged between the two supporting seats, and the inner rod 24 moves back and forth in the sleeve 27 through compressing or stretching the spring 25. It should be noted that, both ends of the spring 25 are matched with the supporting seat, and can elastically extend and contract. In particular, a plastic bearing 29 is disposed along the inner wall of the sleeve 27 at the moving section where the sleeve 27 and the inner rod 24 are sleeved to position the auxiliary inner rod 24 and reduce noise. For a better mounting of the spring 2, a first end bearing 21 for connecting the inner rod 24 to the hinge block 1 and a second end bearing 28 for connecting the sleeve 27 to the crossbar 4 are provided at both ends of the spring 2.

Further, the elastic member 2 is also provided with an adjustment nut 22. The adjusting nut 22 is used to adjust the relative position of each support seat, thereby adjusting and controlling the preload of the spring 25 sleeved in the support seat. Specifically, the adjusting nut 22 is disposed on one side of the first supporting seat 23 opposite to the spring 25, and the first supporting seat 23 is correspondingly adjusted to be close to or far away from the second supporting seat 26 along the axial direction through the screw-thread fit between the adjusting nut 22 and the inner rod 24, so as to adjust the abutting position of the spring between the two supporting seats, thereby correspondingly adjusting the amount of preload according to different loads, and better ensuring the balance adjustment of the elastic element 2.

The present application further provides a tricycle, including frame 5 and the above-mentioned tricycle balance suspension who disposes frame 5. Wherein, a front wheel (not shown) is arranged at the front end of the main beam of the frame 5.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

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;

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.