CN218806309U - Scooter - Google Patents

Abstract

The application discloses car of riding instead of walk belongs to the equipment technical field of riding instead of walk. The scooter comprises a chassis, a front frame, a rear frame, a front frame and a rear frame, wherein the chassis comprises the front frame and the rear frame arranged along a first direction; a first link assembly; the seat assembly is arranged above the rear support of the chassis and is connected with the front support of the chassis through the first connecting rod assembly; the driving mechanism is arranged on the chassis. This application passes through the articulated shaft between actuating mechanism or the manual rotation fore-stock and the after-poppet, realizes the folding and the expansion of fore-stock, and then drives the motion of first link assembly, realizes the linkage on seat subassembly and chassis, makes the car of riding instead of walk can fold or expand, compatible manual folding and electronic folding dual mode, when electronic movable piece breaks down and can not work, can realize the folding of car of riding instead of walk through manual mode.

Description

Scooter

Technical Field

The utility model relates to a ride instead of walk equipment, concretely relates to car of riding instead of walk.

Background

The folding car of riding instead of walk that has now on the market needs fold through manually operation's mode, needs a plurality of operating procedure to realize the folding of car of riding instead of walk among the folding process, and operating process is loaded down with trivial details, causes a great deal of inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current folding car of riding instead of walk at least and folding through manually operation, folding in-process need fold through a plurality of operating procedure, causes inconvenient problem. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a car of riding instead of walk, include:

the chassis comprises a front support and a rear support arranged along a first direction, the front support and the rear support are hinged and have a folded state and an unfolded state, and a hinged shaft between the front support and the rear support is arranged along a second direction;

a first link assembly;

a seat assembly disposed above the rear bracket of the chassis, the seat assembly being connected to the front bracket of the chassis by the first link assembly;

the driving mechanism is arranged on the chassis and used for driving the front support and the rear support to fold or unfold;

the chassis is arranged to be folded and unfolded by means of the drive mechanism or by manual actuation;

when the chassis is folded, the front side and the rear side of the chassis are mutually folded along a first direction, and the first connecting rod assembly can be driven to move so that the seat assembly moves downwards to one side close to the chassis.

According to the utility model discloses a car of riding instead of walk, this application realizes through manual folding or electronic folding mode that the linkage on seat subassembly, chassis is folding, has reduced manual folding operating procedure, has improved the convenience among the folding process.

In addition, according to the utility model discloses a car of riding instead of walk still can have following additional technical characterstic:

in some embodiments of the present invention, the rear side of the front bracket has a first hinge position and a second hinge position, the first hinge position is hinged with the front side of the rear bracket, the second hinge position is hinged with the first link assembly, the second hinge position is disposed further away from the front side of the chassis than the first hinge position, a portion of the second hinge position can abut against the upper surface of the rear bracket after the chassis is unfolded;

the hinge shaft between the first hinge position and the front side of the rear support and the hinge shaft between the second hinge position and the first link assembly are arranged along the second direction.

In some embodiments of the present invention, the scooter further comprises:

the front support and the rear support are respectively in rotatable connection with different positions of the second connecting rod assembly, and the driving mechanism is used for driving the second connecting rod assembly to move so as to drive the front support and the rear support to rotate relatively, so that the chassis is folded or unfolded.

In some embodiments of the present invention, the scooter further comprises a clutch device, the clutch device has an input and an output, the input and the output have a separation state and a combination state, the second link assembly comprises:

one end of the first rod piece is hinged with the front support;

the other end of the first rod piece is hinged with one end of the second rod piece;

the rotating shaft is rotatably arranged on the front side of the rear support and is connected with the input end, and the other end of the second rod piece is connected with the output end;

a connecting member; the rotating shaft is arranged on the rotating shaft;

the driving mechanism is provided with a driving end, the driving end is hinged with the connecting piece, the hinge axis of the driving end and the connecting piece deviates from the axis of the rotating shaft, and the hinge axis between the first rod piece and the front support, the axis between the driving end and the connecting piece, the hinge axis between the second rod piece and the first rod piece and the axis of the rotating shaft are all the same as the second direction;

when the input end and the output end are in a separated state, the first rod piece and the second rod piece can be folded and unfolded manually;

when the input end and the output end are in a combined state, the first rod piece and the second rod piece can be folded and unfolded through a driving mechanism.

In some embodiments of the present invention, the number of the clutch devices is two, and the clutch devices are disposed along the second direction on both sides of the driving mechanism, the rear bracket is disposed on each of the clutch devices and the supporting portion is disposed between the driving mechanisms, and the rotating shaft is rotatably disposed on the supporting portion.

In some embodiments of the present invention, the first link assembly comprises:

a connecting rod, one end of which is hinged with a first position of the seat assembly;

one end of the third rod piece is hinged with the second hinged position, and the other end of the third rod piece is hinged with the other end of the connecting rod;

the seat assembly comprises a rear support, a fourth rod piece, one end of the fourth rod piece is hinged to the rear side of the rear support, the other end of the fourth rod piece is hinged to the second position of the seat assembly, the first position of the seat assembly is located on the rear side of the second position of the seat assembly, the third rod piece is hinged to the fourth rod piece, and the hinged position of the third rod piece and the hinged position of the fourth rod piece are located between the two ends of the third rod piece and between the two ends of the fourth rod piece.

In some embodiments of the present invention, the scooter further comprises a handle bar assembly foldably disposed at the front side of the chassis, the handle bar assembly can be folded along the rear side of the chassis along the second direction.

In some embodiments of the present invention, the chassis further comprises:

the front wheel damping mechanism comprises a damping frame, the damping frame is hinged to the front side of the front support, a hinged shaft of the damping frame and a hinged shaft of the front support are first hinged shafts, the axis of each first hinged shaft is arranged along the second direction, and the handlebar assembly is rotatably arranged on the front wheel damping mechanism;

the movable piece is hinged to the shock absorption frame, hinge shafts of the movable piece and the shock absorption frame are second hinge shafts, the first hinge shafts and the second hinge shafts are parallel and arranged at intervals, and when the chassis is folded, the movable piece moves to enable the handlebar assembly to be folded towards the rear side direction of the chassis relative to the front support.

In some embodiments of the present invention, the movable member includes a fifth rod, one end of the fifth rod is eccentrically hinged to the shock-absorbing frame with respect to a hinge axis between the shock-absorbing frame and the front bracket, and the other end of the fifth rod is hinged to the rear bracket, and when the chassis is folded, the fifth rod moves to fold the handlebar assembly in a direction toward a rear side of the chassis with respect to the front bracket; articulated shafts at two ends of the fifth rod piece are arranged along the second direction;

and/or, the handlebar assembly comprises:

a handle;

the steering shaft is rotatably arranged on the shock absorption frame;

the telescopic link, the stiff end and the steering spindle fixed connection of telescopic link, the flexible end of telescopic link is installed the handle, when the handlebar subassembly expandes, the vertical setting of telescopic link.

In some embodiments of the present invention, the chassis further comprises:

the rear travelling wheel assembly comprises a travelling wheel support, the travelling wheel support is rotatably arranged on the rear side of the rear support, a hinge axis between the travelling wheel support and the rear support is parallel to a hinge axis between the front support and the rear support, and one part of the first connecting rod assembly is abutted against the travelling wheel support;

the rear support and the walking wheel support are respectively hinged with the supporting wheel assemblies at different hinge positions, and the hinge axes of the rear support and the walking wheel support and the supporting wheel assemblies are arranged along the second direction; the supporting wheel assembly has a folded state and an unfolded state, and when the chassis is folded or unfolded, the first connecting rod assembly can drive the travelling wheels to correspondingly rotate in the forward direction or the reverse direction relative to the rear support, so that the supporting wheel assembly is folded, contracted or unfolded.

In some embodiments of the present invention, the support wheel assembly comprises:

the sixth rod piece is positioned at the rear side of the rear support, and one end of the sixth rod piece is hinged with the rear support;

one end of the seventh rod piece is hinged with the other end of the sixth rod piece, and the seventh rod piece deviates from a hinged shaft between the seventh rod piece and the sixth rod piece and is hinged with the travelling wheel support;

the supporting wheel is rotatably arranged on the seventh rod piece;

and the articulated shaft between the sixth rod piece and the bracket and the articulated shaft between the seventh rod piece and the sixth rod piece are arranged along the second direction.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

figure 1 schematically illustrates an isometric view from a first perspective of an expanded state of an embodiment of the mobility scooter of the present invention;

FIG. 2 schematically illustrates a side view of an expanded state of an embodiment of the mobility scooter of the present invention;

figure 3 schematically illustrates a partial view from a first perspective of an expanded state of an embodiment of the mobility scooter of the present invention;

figure 4 schematically illustrates a partial view from a second perspective of an expanded state of an embodiment of the mobility scooter of the present invention;

figure 5 schematically illustrates a partial view from a third perspective of an expanded state of an embodiment of the mobility scooter of the present invention;

FIG. 6 is a side view of FIG. 5;

figure 7 schematically illustrates an isometric view of a folded state of an embodiment of the walker of the present invention;

figure 8 schematically illustrates a partial cross-sectional view of a clutch device in accordance with an embodiment of the present invention;

figure 9 schematically illustrates an isometric view of an embodiment of the walk-substituting vehicle unlocking disc 93 of the present invention.

The reference numbers are as follows:

the chassis comprises a chassis 10, a front support 11, a first hinge position 111, a second hinge position 112, a rear support 12, a front wheel damping mechanism 13, a damping frame 131, a fifth rod 141, a front traveling wheel 15 and a rear traveling wheel 16;

a first link assembly 20, a link 21, a third rod 22, a fourth rod 23;

the seat assembly (30) is provided with a seat,

a handlebar assembly 40, a handlebar 41, a steering shaft 42, a telescopic rod 43;

a drive mechanism 50, an electric push rod 51;

a second connecting rod assembly 60, a first rod 61, a second rod 62, a rotating shaft 63 and a connecting piece 64;

a road wheel assembly 70, a road wheel bracket 71, an abutting part 71a;

a support wheel assembly 80, a sixth rod 81, a seventh rod 82, a support wheel 83;

the adjusting shaft 91, the elastic element 92, the unlocking disc 93, the inclined surface 931, the first clutch disc 94, the second clutch disc 95, the first movable element 96 and the second movable element 97.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "at 8230; \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-7, according to an embodiment of the present invention, a scooter is provided, including a chassis 10, a first link assembly 20, a seat assembly 30, and a driving mechanism 50. Wherein, the chassis 10 comprises a front bracket 11 and a rear bracket 12 arranged along a first direction, the front bracket 11 and the rear bracket 12 are hinged and have a folded state and an unfolded state, and a hinge shaft between the front bracket 11 and the rear bracket 12 is arranged along a second direction; the seat assembly 30 is disposed above the rear bracket 12 of the chassis 10, and the seat assembly 30 is connected to the front bracket 11 of the chassis 10 by the first link assembly 20; the driving mechanism 50 is arranged on the chassis 10 and used for driving the front support 11 and the rear support 12 to fold or unfold; the chassis 10 can be driven by the driving mechanism 50 or manually rotate the hinge shaft between the front bracket 11 and the rear bracket 12 to fold and unfold the chassis 10; when the chassis 10 is folded, the front side and the rear side of the chassis 10 are folded in a second direction, and the first link assembly 20 can be driven to move so as to move the seat assembly 30 downward toward the side close to the chassis 10.

The arrangement of the hinge axis between the bracket 11 and the rear bracket 12 in the second direction means that the hinge axis between the bracket 11 and the rear bracket 12 is the same as the second direction.

For the convenience of understanding, the front side and the rear side are both referred to the walking direction of the scooter in the application. The height direction of the scooter is taken as reference for the upper part and the lower part. The first direction is a traveling direction of the walker, i.e., a direction shown in fig. 1 and 3, and the second direction is a horizontal direction perpendicular to the traveling direction of the walker, i.e., B direction shown in fig. 1 and 3.

The front support is hinged to the rear support, the front support and the rear support are folded and unfolded through manual operation or a driving mechanism, the first connecting rod assembly is driven to move, linkage of the seat assembly and the chassis is achieved, and the scooter can be folded or unfolded. The operation steps of manual folding are reduced, and the convenience in the folding process is improved.

In some embodiments, the seat assembly 30 includes a floor and a backrest hingedly connected to a rear side of the floor, the first link assemblies 20 are hingedly connected to a bottom of the floor, and the backrest is manually collapsible to the upper surface of the floor. The backrest is not required to be arranged, and the backrest can be specifically arranged according to actual requirements.

In some embodiments, the driving mechanism 50 may be a linear motion component, and may specifically include one of an electric push rod 51 or an electric hydraulic rod.

In some embodiments, the linear motion component includes a gear, a rack, a guide rail, a rack, and a motor, the rack is disposed on the rack, the guide rail and the guide rail are disposed in parallel, the rack is slidably disposed on the guide rail through a slider, the rack is rotatably disposed on the rack, the gear is engaged with the rack, the gear is in transmission connection with the motor to realize the expansion and contraction of the rack on the guide rail, the rack is fixedly mounted with a connecting piece 64, and the connecting piece 64 serves as a driving end of the driving mechanism 50.

The linear motion component may be an electrically driven component in the prior art, such as a ball screw linear motion mechanism driven by an electric motor.

This application adopts electric putter 51 better, and simple structure controls electric putter 51's flexible more easily, can reduce the shared space of car of riding instead of walk.

In some embodiments, the rear side of the front bracket 11 has a first hinge position 111 and a second hinge position 112, the first hinge position 111 is hinged with the front side of the rear bracket 12, the second hinge position 112 is hinged with the first link assembly 20, the second hinge position 112 is disposed farther from the front side of the chassis 10 than the first hinge position 111, enabling a portion of the second hinge position 112 to abut against the upper surface of the rear bracket 12 after the chassis 10 is unfolded; the hinge axis between the first hinge position 111 and the front side of the rear bracket 12 and the hinge axis between the second hinge position 112 and the first link assembly 20 are both disposed in the second direction.

The second hinge point 112 is located away from the front side of the chassis 10 relative to the first hinge point 111, and when the scooter is in the unfolded state, a part of the second hinge point 112 can abut against the upper surface of the rear bracket 12 after the chassis 10 is unfolded under the action of gravity of the seat assembly 30, so that self-locking is realized. When the locking needs to be released, the driving mechanism 50 is required to drive the front support 11 or the rear support 12, so that the front support 11 rotates relative to the rear support 12, the second hinge point 112 moves away from the upper surface of the rear support 12, the locking is released, and the folding of the front support 11 and the rear support 12 is realized.

In some embodiments, the driving mechanism 50 may be mounted on the rear bracket 12, and the driving end of the driving mechanism 50 may be hinged to the front bracket 11 at a position offset from the hinge axis between the front bracket 11 and the rear bracket 12 to drive the front bracket 11 to rotate about the hinge axis between the front bracket 11 and the rear bracket 12 to fold and unfold the chassis 10. The front bracket 11 can be mounted on the chassis to drive the rear bracket 12 to fold and unfold the chassis 10.

In some embodiments, the scooter further comprises a second connecting rod assembly 60, the front frame 11 and the rear frame 12 are rotatably connected to different positions of the second connecting rod assembly 60, and the driving mechanism 50 is configured to drive the second connecting rod assembly 60 to move so as to drive the front frame 11 and the rear frame 12 to rotate relatively, so as to fold or unfold the chassis 10.

Through the second connecting rod assembly 60, the chassis 10 can be switched between the folded state and the unfolded state, and through the arrangement of the second connecting rod assembly 60, the driving mechanism 50 can be enabled to unlock and lock the front support 11 and the rear support 12 more easily, and the folding and the unfolding of the chassis 10 are realized.

In some embodiments, referring to fig. 1-4, 8 and 9, the scooter includes a clutch having an input and an output having a disengaged state and an engaged state. The second link assembly 60 includes a first link 61, a second link 62, a rotating shaft 63, and a connecting member 64. One end of the first rod 61 is hinged with the front bracket 11; the other end of the first rod 61 is hinged with one end of the second rod 62; the rotating shaft 63 is rotatably arranged at the front side of the rear bracket 12, the rotating shaft 63 is connected with the input end, and the other end of the second rod piece 62 is connected with the output end; the connecting piece 64 is arranged on the rotating shaft 63; the driving mechanism 50 has a driving end, the driving end is hinged to the connecting piece 64, the hinge axis of the driving end and the connecting piece is deviated from the axis of the rotating shaft 63, and the hinge axis between the first rod piece 61 and the front bracket 11, the axis between the driving end and the connecting piece 64, the hinge axis between the second rod piece 62 and the first rod piece 61 and the axis of the rotating shaft 63 are the same as the second direction; when the input end and the output end are in a separated state, the first rod 61 and the second rod 62 can be folded and unfolded manually; the first rod 61 and the second rod 62 can be folded and unfolded by the driving mechanism 50 when the input end and the output end are in a combined state.

It will be appreciated that the input and output terminals are in a separated state, relative rotation of the input and output terminals can occur, the input and output terminals are in a combined state, and the input and output terminals can rotate synchronously.

When the input end and the output end are in a separated state, the chassis can be folded in a manual mode, namely, when the driving mechanism breaks down and cannot work, the locking condition can occur, and at the moment, the input end and the output end of the clutch device need to be separated. When the driving mechanism works normally, the input end and the output end are in a combined state, and the connecting rod 64 can be pulled to move through the driving mechanism 50, so that the chassis is folded.

In some embodiments, the clutch device may be a manual clutch or an electric clutch, and both the manual clutch and the electric clutch may adopt a clutch structure in the prior art.

In some embodiments, referring to fig. 8 and 9, the clutch device includes an adjusting shaft 91, an elastic member 92, an unlocking plate 93, a first clutch plate 94, a second clutch plate 95, a first movable member 96, and a second movable member 97. The adjusting shaft 91 is rotatably arranged on the rear bracket and coaxially arranged with the rotating shaft, the rotating shaft is a hollow shaft and can be sleeved on the adjusting shaft 91, and the rotating shaft can rotate relative to the adjusting shaft 91. The first clutch disc 94 and the second clutch disc 95 are rotatably disposed on the adjusting shaft 91, a first guide groove extending in the second direction is disposed on one side of the first clutch disc 94 facing the second clutch disc 95, the first movable member 96 is disposed in the first guide groove and can move in the second direction (the axial direction of the adjusting shaft 91), and a second guide groove is disposed on one side of the second clutch disc 95 facing the first clutch disc 94. The second movable member 97 is disposed in the second guide groove, the elastic member 92 is disposed in the second guide groove, and two ends of the elastic member 92 abut against the second clutch disc 95 and the second movable member 97, so that the second movable member 97 can extend out of the second guide groove. The unlocking disc 93 is fixedly installed on the adjusting shaft 91 and located on one side, away from the second clutch disc 95, of the first clutch disc 94 in the second direction, a slope 931 is formed on one side, facing the first clutch disc 94, of the unlocking disc 93, the slope 931 is abutted to the first movable piece 96, when the adjusting shaft 91 is rotated, the slope 931 can push the first movable piece 96 to move axially, and the first movable piece 96 has a first axial moving position and a second axial moving position. When the first movable member 96 is located at the first axial moving position, the second movable member 97 extends into the first guide groove, so that the first clutch disc 94 and the second clutch disc 95 are linked. When the first movable member 96 is located at the second axial movement position, the second movable member 97 abuts against the end surface of the first clutch disc 94, and the first movable member 96 moves to a position where the notches of the second guide grooves are flush, so that the first clutch disc 94 and the second clutch disc 95 are separated. The first clutch plate 94 serves as the output of the clutch device and the second clutch plate 95 serves as the input of the clutch device.

The first clutch plate 94 is fixedly connected to the other end of the second rod 62, and may be integrally formed with the second rod.

The second clutch plate 95 may be connected to the rotating shaft 63 by a coupling.

The elastic member 92 may be a compression spring.

In some embodiments, referring to fig. 4, the number of the clutch devices is two, and the clutch devices are disposed on two sides of the driving mechanism 50 along the second direction, the rear bracket 12 is provided with a supporting portion 12a between each clutch device and the driving mechanism 50, and the rotating shaft 63 is rotatably disposed on the supporting portion 12 a.

The supporting part 12a supports the rotating shaft 63, so that the rotating shaft 63 can be ensured to have better stability.

Taking the driving mechanism 50 as an electric push rod 51 as an example, the electric push rod 51 may be mounted on the rear bracket 12, a driving end of the electric push rod 51 is hinged to the connecting end, and when the electric push rod 51 is retracted, the first rod 61 is driven to swing downward, so that the front bracket 11 swings downward relative to the rear bracket 12, and the chassis 10 is folded. Conversely, when the electric push rod 51 is extended, the chassis 10 is unfolded. When the electric push rod 51 is mounted on the front bracket 11, the chassis 10 acts in reverse to the above-described process.

The driving mechanism 50 drives the rotating shaft 63 to rotate, so as to swing the first rod 61, so that the front bracket 11 can rotate in the forward direction or the reverse direction relative to the rear bracket 12, and the folding and unfolding of the front bracket 11 and the rear bracket 12 can be more easily realized. Through the setting of second link assembly 60, can reduce actuating mechanism 50's inclination to can reduce actuating mechanism 50 shared space on the car of riding instead of walk, make the volume after the car of riding instead of walk after folding littleer.

In some embodiments, referring to fig. 1-3, the first link assembly 20 includes a link 21, a third rod 22, and a fourth rod 23. Wherein one end of the link 21 is hinged to the first position of the seat assembly 30; one end of the third rod 22 is hinged with the second hinge position 112, and the other end of the third rod 22 is hinged with the other end of the connecting rod 21; one end of the fourth link 23 is hinged to the rear side of the rear bracket 12, the other end of the fourth link 23 is hinged to the second position of the seat assembly 30, the first position of the seat assembly 30 is located at the rear side of the second position of the seat assembly 30, the third link 22 is hinged to the fourth link 23, and the hinged position of the third link 22 and the fourth link 23 is located between the two ends of the third link 22 and between the two ends of the fourth link 23.

The connecting rod 21, the third rod 22 and the third rod 22 are connected to form a connecting rod assembly structure which is approximately in an X shape after being unfolded, so that the first connecting rod assembly 20 can be more easily kept stable after being unfolded. By the third link 22 being hinged to the second hinge point 112 of the front frame 11, the linkage between the chassis 10 and the seat assembly 30 can be realized by moving the second hinge point 112 to the front side of the chassis 10 when the front frame 11 and the rear frame 12 are folded, so as to unlock the first link assembly 20 in the folded and contracted state, and then move the seat assembly 30 downward.

In some embodiments, the first link assembly 20 includes a link 21, a third link 22, and a fourth link 23. Wherein one end of the link 21 is hinged to the first position of the seat assembly 30; one end of the third link 22 is hinged to the second hinge point 112, and the other end of the third link 22 is hinged to the second position of the seat assembly 30; one end of the fourth bar 23 is hinged to the rear side of the rear bracket 12, the other end of the fourth bar 23 is hinged to the other end of the connecting rod 21, the first position of the seat assembly 30 is located at the front side of the second position of the seat assembly 30, the third bar 22 is hinged to the fourth bar 23, and the hinged position of the third bar 22 and the fourth bar 23 is located between the two ends of the third bar 22 and between the two ends of the fourth bar 23.

In some embodiments, the scooter further comprises a handle bar assembly 40 foldably disposed at a front side of the chassis 10, and the handle bar assembly 40 can be folded in a second direction toward a rear side of the chassis 10.

The handlebar assembly 40 is foldable, so that the size of the scooter after being folded can be further reduced, and the scooter is convenient to carry. The handlebar assembly 40 can be folded manually or electrically.

In some embodiments, referring to fig. 1-3, chassis 10 further includes a front wheel shock absorbing mechanism 13 and a movable member. Wherein, the front wheel damping mechanism 13 comprises a damping frame 131, the damping frame 131 is hinged at the front side of the front bracket 11, the hinge shaft of the damping frame 131 and the hinge shaft of the front bracket 11 is a first hinge shaft, the axis of the first hinge shaft is arranged along the second direction, and the handlebar assembly 40 is rotatably arranged on the front wheel damping mechanism 13; the movable member is hinged to the shock absorbing frame, the hinge shafts of the movable member and the shock absorbing frame are second hinge shafts, the first hinge shaft and the second hinge shaft are parallel and spaced, and when the chassis 10 is folded, the movable member moves to enable the handlebar assembly 40 to be folded towards the rear side direction of the chassis 10 relative to the front support 11.

Through shock attenuation frame 131 and movable part connection, the movable part removes and to make handlebar assembly 40 fold and expand, can reduce the trouble that manual folding handlebar assembly 40 brought, improves the convenience that the car folded and expanded instead of walk.

In some embodiments, the movable member may be an electric push rod 51, the mounting seat of the electric push rod 51 is hinged on the front bracket 11, the driving end of the electric push rod 51 is eccentrically connected to the front wheel damping mechanism 13 relative to the hinge axis between the shock absorbing bracket 131 and the front bracket 11, and the shock absorbing member is rotated around the hinge axis between the shock absorbing bracket 131 and the front bracket 11 by the pushing of the electric push rod 51 to turn the handlebar assembly 40 to fold and unfold the handlebar assembly 40.

In some embodiments, the movable member includes a fifth link member 141, one end of the fifth link member 141 is hinged to the shock-absorbing frame 131 eccentrically with respect to a hinge axis between the shock-absorbing frame 131 and the front bracket 11, and the other end of the fifth link member 141 is hinged to the rear bracket 12, and when the chassis 10 is folded, the fifth link member 141 moves to fold the handlebar assembly 40 in a rear direction of the chassis 10 with respect to the front bracket 11; the hinge shafts of both ends of the fifth rod member 141 are disposed in the second direction. And/or, referring to fig. 1-3, the handlebar assembly 40 includes a steering shaft 42, a telescopic rod 43 and a handle 41, the steering shaft 42 is rotatably disposed on the shock-absorbing frame 131, a fixed end of the telescopic rod 43 is fixedly connected with the steering shaft 42, and the telescopic end of the telescopic rod 43 is fixedly mounted with the handle 41. When the handlebar assembly 40 is unfolded, the telescoping rod 43 is vertically disposed.

When the front bracket 11 rotates relative to the rear bracket 12, the fifth rod member 141 is driven to move, so that the damping member rotates around a hinge shaft between the damping frame 131 and the front bracket 11, the linked folding and unfolding of the scooter is further realized, the use of driving parts is reduced, the structure is more compact, and the volume of the scooter after being folded is smaller; meanwhile, the energy consumption of the scooter can be reduced, the endurance mileage of the scooter is improved, and the convenience of operation is also improved.

In some embodiments, referring to fig. 1 to 3, the chassis 10 further includes a steering mechanism and front road wheels 15, and the front road wheels 15 are respectively provided on both sides of the front bracket 11 in the width direction; the two front road wheels 15 are rotatably arranged on opposite sides of the steering mechanism, the steering mechanism is rotatably arranged on the shock absorption frame 131, the rotating axis of the front road wheel 15 is horizontally arranged, and the rotating axis between the front road wheel 15 and the steering mechanism is vertically arranged. After the front bracket 11 is folded relative to the rear bracket 12, the front road wheels 15 can be attached to the rear road wheels 16.

The steering mechanism can adopt the existing steering mechanism on the vehicle, is not the key point for solving the technical problem, and is not specifically detailed here.

In some embodiments, referring to fig. 3, 5 and 6, the chassis 10 further includes a rear road wheel 16 assembly and a support wheel 83 assembly 80. The rear road wheel 16 assembly comprises a road wheel bracket 71, the road wheel bracket 71 is rotatably arranged at the rear side of the rear bracket 12, a hinge axis between the road wheel bracket 71 and the rear bracket 12 is arranged along a second direction, and a part of the first connecting rod assembly 20 is abutted against the road wheel bracket 71; the supporting wheel 83 component 80 is arranged at the rear side of the rear support 12, the rear support 12 and the walking wheel support 71 are respectively hinged with the supporting wheel 83 component 80 at different hinge positions, and the hinge axes of the rear support 12 and the walking wheel support 71 and the supporting wheel 83 component 80 are respectively arranged along a second direction; the supporting wheel 83 assembly 80 has a folding state and an unfolding state, when the chassis 10 is folded or unfolded, the first link assembly 20 can drive the traveling wheels to rotate forward or backward correspondingly relative to the rear bracket 12, so that the supporting wheel 83 assembly 80 can be folded, contracted or unfolded.

A portion of the first link assembly 20 is disposed against the road wheel bracket 71. Specifically, the front side of the wheel bracket 71 is provided with an abutting portion 71a, and the abutting portion 71a has an abutting surface which is disposed toward the rear side of the chassis 10 and can abut against a part of the surface of the fourth lever 23. When the first link assembly 20 is folded, the fourth link 23 swings to drive the travelling wheel bracket 71 to swing, so that the supporting wheel 83 assembly 80 is folded or unfolded in a linkage manner.

The rear road wheels 16 may be provided on a rear road wheel 16 assembly.

In some embodiments, the support wheel 83 assembly 80 includes a sixth bar 81, a seventh bar 82, and a support wheel 83. Wherein, the sixth rod 81 is located at the rear side of the rear bracket 12, and one end of the sixth rod 81 is hinged with the rear bracket 12; one end of the seventh rod 82 is hinged with the other end of the sixth rod 81, and the seventh rod 82 is hinged with the travelling wheel bracket 71 deviating from a hinged shaft between the seventh rod 82 and the sixth rod 81; the supporting wheel 83 is rotatably arranged on the seventh rod 82; the hinge axis of the sixth rod 81 and the bracket and the hinge axis between the seventh rod 82 and the sixth rod 81 are disposed along the second direction.

When the first link assembly 20 is folded to drive the walking wheel support 71 to rotate along the advancing walking direction of the scooter, the hinge shafts between the seventh rod 82 and the walking wheel support 71 move upwards, the distance between the hinge shafts at the two ends of the sixth rod 81 is unchanged, so that the seventh rod 82 swings and contracts, and the folding of the supporting wheel 83 assembly 80 is realized.

Certainly, the supporting wheel 83 assembly 80 can be unfolded, and the folded supporting assembly can further reduce the folded volume of the scooter compared with the unfolded supporting assembly, so that the scooter is convenient to carry and transport.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. A scooter, comprising:

the chassis comprises a front support and a rear support arranged along a first direction, the front support and the rear support are hinged and have a folded state and an unfolded state, and a hinged shaft between the front support and the rear support is arranged along a second direction;

a first link assembly;

a seat assembly disposed above the rear bracket of the chassis, the seat assembly being connected to the front bracket of the chassis by the first link assembly;

the driving mechanism is arranged on the chassis and used for driving the front support and the rear support to fold or unfold;

the chassis is arranged to be folded and unfolded by means of the drive mechanism or by manual actuation;

when the chassis is folded, the front side and the rear side of the chassis are mutually folded along the first direction, and the first connecting rod assembly can be driven to move so that the seat assembly moves downwards to one side close to the chassis.

2. The walker of claim 1 wherein the rear side of the front frame has a first hinge location and a second hinge location, the first hinge location being hinged to the front side of the rear frame, the second hinge location being hinged to the first link assembly, the second hinge location being disposed further from the front side of the chassis than the first hinge location, a portion of the second hinge location being capable of abutting the upper surface of the rear frame after the chassis is unfolded;

and the hinge shaft between the first hinge position and the front side of the rear bracket and the hinge shaft between the second hinge position and the first connecting rod assembly are arranged along the second direction.

3. The walker of claim 2 further comprising:

the front support and the rear support are respectively in rotatable connection with different positions of the second connecting rod assembly, and the driving mechanism is used for driving the second connecting rod assembly to move so as to drive the front support and the rear support to rotate relatively, so that the chassis is folded or unfolded.

4. The walker of claim 3 further comprising a clutch having an input and an output, the input and output having a disengaged state and an engaged state, the second linkage assembly comprising:

one end of the first rod piece is hinged with the front support;

the other end of the first rod piece is hinged with one end of the second rod piece;

the rotating shaft is rotatably arranged on the front side of the rear support and is connected with the input end, and the other end of the second rod piece is connected with the output end;

a connecting member; the rotating shaft is arranged on the rotating shaft;

the driving mechanism is provided with a driving end, the driving end is hinged with the connecting piece, the hinge axis of the driving end and the connecting piece deviates from the axis of the rotating shaft, and the hinge axis between the first rod piece and the front support, the axis between the driving end and the connecting piece, the hinge axis between the second rod piece and the first rod piece and the axis of the rotating shaft are all the same as the second direction;

when the input end and the output end are in a separated state, the first rod piece and the second rod piece can be folded and unfolded manually;

when the input end and the output end are in a combined state, the first rod piece and the second rod piece can be folded and unfolded through a driving mechanism.

5. The scooter according to claim 4 wherein the number of the clutch devices is two, the clutch devices are disposed on both sides of the driving mechanism along the second direction, the rear frame is provided with a support portion between each clutch device and the driving mechanism, and the rotation shaft is rotatably disposed on the support portion.

6. The walker of claim 2 wherein the first link assembly comprises:

a connecting rod, one end of which is hinged with a first position of the seat assembly;

one end of the third rod piece is hinged with the second hinged position, and the other end of the third rod piece is hinged with the other end of the connecting rod;

and one end of the fourth rod is hinged to the rear side of the rear support, the other end of the fourth rod is hinged to the second position of the seat assembly, the first position of the seat assembly is located on the rear side of the second position of the seat assembly, the third rod is hinged to the fourth rod, and the hinged position of the third rod and the hinged position of the fourth rod is located between the two ends of the third rod and between the two ends of the fourth rod.

7. The walker of claim 1 further comprising a handlebar assembly foldably disposed to a front side of the chassis, the handlebar assembly being foldable in the second direction toward a rear side of the chassis.

8. The walker of claim 7 wherein the chassis further comprises:

the front wheel damping mechanism comprises a damping frame, the damping frame is hinged to the front side of the front support, a hinged shaft of the damping frame and a hinged shaft of the front support are first hinged shafts, the axis of each first hinged shaft is arranged along a second direction, and the handlebar assembly is rotatably arranged on the front wheel damping mechanism;

the movable piece is hinged to the shock absorption frame, hinge shafts of the movable piece and the shock absorption frame are second hinge shafts, the first hinge shafts and the second hinge shafts are parallel and arranged at intervals, and when the chassis is folded, the movable piece moves to enable the handlebar assembly to be folded towards the rear side direction of the chassis relative to the front support.

9. The scooter of claim 8 wherein the movable member includes a fifth rod member, one end of the fifth rod member is hinged to the shock-absorbing frame eccentrically with respect to a hinge axis between the shock-absorbing frame and the front frame, the other end of the fifth rod member is hinged to the rear frame, and when the chassis is folded, the fifth rod member moves to fold the handlebar assembly in a rear direction of the chassis with respect to the front frame;

articulated shafts at two ends of the fifth rod piece are arranged along the second direction;

and/or, the handlebar assembly comprises:

a handle;

the steering shaft is rotatably arranged on the shock absorption frame;

the telescopic link, the stiff end and the steering spindle fixed connection of telescopic link, install the flexible end of telescopic link the handle, when handlebar subassembly expandes, the vertical setting of telescopic link.

10. The walker of any of claims 1-5 and 6-8 wherein the chassis further comprises:

the rear travelling wheel assembly comprises a travelling wheel support, the travelling wheel support is rotatably arranged on the rear side of the rear support, a hinge axis between the travelling wheel support and the rear support is arranged along the second direction, and one part of the first connecting rod assembly is abutted to the travelling wheel support;

the rear support and the walking wheel support are respectively hinged with the supporting wheel assemblies and are different in hinge position, and the hinge axes of the rear support and the walking wheel support and the supporting wheel assemblies are arranged along the second direction; the supporting wheel assembly has a folded state and an unfolded state, and when the chassis is folded or unfolded, the first connecting rod assembly can drive the travelling wheels to correspondingly rotate in the forward direction or in the reverse direction relative to the rear support, so that the supporting wheel assembly is folded, contracted or unfolded.

11. The walker of claim 10 wherein the support wheel assembly comprises:

the sixth rod piece is positioned at the rear side of the rear support, and one end of the sixth rod piece is hinged with the rear support;

one end of the seventh rod piece is hinged with the other end of the sixth rod piece, and the seventh rod piece is deviated from a hinged shaft between the seventh rod piece and the sixth rod piece and is hinged with the walking wheel bracket;

the supporting wheel is rotatably arranged on the seventh rod piece;

and the articulated shaft between the sixth rod piece and the bracket and the articulated shaft between the seventh rod piece and the sixth rod piece are arranged along the second direction.

Images