CN218022013U - Folding bicycle - Google Patents

Abstract

The application discloses folding car. The folding bicycle comprises a rotating seat, a first bicycle body, a second bicycle body and a fixing assembly, wherein the rotating seat comprises a first connecting piece and a second connecting piece, the first connecting piece is rotatably connected with the second connecting piece, and the first connecting piece and the second connecting piece can rotate relatively around a first direction; one end of the first vehicle body is rotatably connected to the first connecting piece, and the first vehicle body and the rotating seat can rotate relatively around the second direction; one end of the second vehicle body is connected to the second connecting piece; the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is connected to the first vehicle body, the second fixing piece is connected to the second vehicle body, one of the first fixing piece and the second fixing piece is provided with a limiting ring, the other one of the first fixing piece and the second fixing piece is provided with a limiting groove, and one side, facing the first direction, of the limiting groove is provided with a notch; the spacing ring can rotate to the first position along the first direction, and the duplex winding second direction swings to the second position to in the spacing groove is gone into from the notch card, accomplish the fixed of the folding gesture of folding car.

Description

Folding bicycle

Technical Field

The application relates to a carrier technical field especially relates to a folding car.

Background

In the related art, in order to facilitate storage and carrying of the foldable cart, a fixing assembly is generally provided to hold the foldable cart in a folded posture. However, the hook and the clamping seat in the existing fixing assembly need to be rotatable, so that the hook can rotate to the buckling position of the clamping seat, and a clamp spring needs to be arranged at the rotating connecting shaft of the hook, so that the hook is ensured to have certain pretightening force, and the probability that the hook is separated from the clamping seat is reduced. The structure of trip among the prior art is complicated, and the use of jump ring has not only increased the cost, and after using for a period of time moreover, the jump ring has certain probability because rust or elasticity inefficacy scheduling problem, influences the fixed effect of fixed subassembly, consequently, needs to solve to this problem of research.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides a folding car, can reduce the cost of fixed subassembly.

According to this application embodiment's folding car, include:

the rotary seat comprises a first connecting piece and a second connecting piece, the first connecting piece is rotatably connected with the second connecting piece, and the first connecting piece and the second connecting piece can relatively rotate around a first direction;

one end of the first vehicle body is rotatably connected to the first connecting piece, and the first vehicle body and the rotating seat can rotate relatively around a second direction;

one end of the second vehicle body is connected to the second connecting piece;

the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is connected to the first vehicle body, the second fixing piece is connected to the second vehicle body, one of the first fixing piece and the second fixing piece is provided with a limiting ring, the other one of the first fixing piece and the second fixing piece is provided with a limiting groove, and one side, facing the first direction, of the limiting groove is provided with a notch;

the second vehicle body can wind the first direction is relative the first vehicle body rotates to the first position, just the spacing ring is correspondingly located one side of the notch, the second vehicle body can wind the second direction is relative the first vehicle body swings to the second position, just the spacing ring is certainly the notch card is gone into in the spacing groove.

According to the folding car of this application embodiment, have following beneficial effect at least: when the second car body rotates to the first position relative to the first car body, the second car body can swing relative to the first car body around the second direction, so that the first fixing piece and the second fixing piece can also move relative to each other along the second direction, the second fixing piece can enter the limiting groove along the notch, a part of the limiting ring is located in the limiting groove, and a part of the first fixing piece is located in the limiting ring. The inner surface of the limiting groove is abutted against the second fixing piece, so that the second fixing piece can be limited to move along the first direction, and the second fixing piece can only be separated from the limiting groove from the position of the notch, so that the folding posture of the folding bicycle is kept. Compare in the trip and the cassette that are provided with the jump ring among the prior art, the second mounting and the first mounting of this application need not set up the jump ring to also need not be provided with other pivot so that second mounting or first mounting can rotate, thereby simplify structure and assembly, saved the cost of folding car.

According to some embodiments of the application, a first boss is arranged at the groove opening and protrudes out of the groove wall of the limiting groove, and the first boss is used for abutting against the limiting ring in the limiting groove.

According to some embodiments of the application, notch department still is provided with the second boss, the second boss with first boss is relative, first boss with the second boss along the direction protrusion in that faces each other in the cell wall of spacing groove.

According to some embodiments of the application, the limiting ring comprises a first connecting portion and a limiting portion, and the first connecting portion and the limiting portion are connected with each other and enclose to define a limiting hole.

According to some embodiments of the application, the second vehicle body is provided with a third boss connected to or formed as an integral structure with the first connection portion.

According to some embodiments of the present application, the stop collar further comprises a second connecting portion, the second connecting portion being connected to the first connecting portion, and the second connecting portion being connected to the third boss.

According to some embodiments of the application, the second vehicle body includes connecting rod and handlebar, the connecting rod has the length of settlement, the one end of connecting rod connect in the second connecting piece, the other end connect in the handlebar, be provided with on the handlebar the third boss.

According to some embodiments of the present application, the first body is provided with a positioning groove, and a portion of the first mount is located within the positioning groove and attached to the first body.

According to some embodiments of the application, first automobile body includes wheel, footboard and fender, the footboard has the length of settlement, the both ends of footboard are provided with respectively the wheel, the one end of footboard connect in first connecting piece, fender fixed connection in the other end of footboard corresponds to the position of wheel, be provided with the constant head tank on the fender, partly of first mounting is located in the constant head tank, first mounting connect in the fender.

According to some embodiments of the application, first automobile body includes wheel, footboard and fender, the footboard has the length of settlement, the both ends of footboard are provided with respectively the wheel, the one end of footboard connect in first connecting piece, fender fixed connection in the other end of footboard corresponds to the position of wheel, first mounting with fender formula structure as an organic whole.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The present application is further described with reference to the following figures and examples, in which:

FIG. 1 is a schematic view of a use position of a folding cart according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of a portion a of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 1 at b;

FIG. 4 is a schematic view of a folded position of the folding cart in accordance with the exemplary embodiment of the present disclosure;

FIG. 5 is an enlarged schematic view of FIG. 4 at c;

FIG. 6 is a cross-sectional view of FIG. 4;

fig. 7 is an enlarged schematic view of fig. 6 at d.

Reference numerals are as follows:

folding bicycle 100, second body 110, connecting rod 111, handlebar 112, swivel base 120, second link 130, locking assembly 135, first link 140, front wheel 150, first body 160, pedal 170, mudguard 180, rear wheel 190;

the second fixing member 200, the limiting portion 210, the limiting hole 220, the first connecting portion 230, the limiting ring 235, the second connecting portion 240, and the third boss 250;

the first fixing piece 300, the first boss 310, the notch 320, the limiting groove 330 and the second boss 340;

a fixing member 400;

the rotation hole 500;

and (6) positioning a groove 600.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present numbers, and larger, smaller, inner, etc. are understood as including the present numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

In the description of the present application, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The folding cart according to the embodiment of the present application will be described below with reference to the drawings attached to the specification.

Referring to fig. 1 to 6, the folding cart 100 according to the embodiment of the present application includes a swivel 120, a first cart body 160, a second cart body 110, and a fixing assembly 400. The rotating base 120 includes a first connecting member 140 and a second connecting member 130, the first connecting member 140 is rotatably connected to the second connecting member 130, and the first connecting member 140 and the second connecting member 130 can relatively rotate around a first direction. One end of the first vehicle body 160 is rotatably connected to the first connecting member 140, and the first vehicle body 160 and the rotating base 120 can rotate relatively around the second direction. One end of the second vehicle body 110 is connected to the second link 130. The fixing assembly 400 includes a first fixing member 300 and a second fixing member 200, the first fixing member 300 is connected to the first vehicle body 160, the second fixing member 200 is connected to the second vehicle body 110, one of the first fixing member 300 and the second fixing member 200 is provided with a stopper ring 235, the other is provided with a stopper groove 330, and one side of the stopper groove 330 facing the first direction is provided with a notch 320. The second body 110 can rotate to a first position around the first direction relative to the first body 160, the limiting ring 235 is correspondingly located on one side of the notch 320, the second body 110 can swing to a second position around the second direction relative to the first body 160, and the limiting ring 235 is clamped into the limiting groove 330 from the notch 320.

Note that the folded posture referred to in the present application, as shown in fig. 4, is a state in which the second vehicle body 110 is rotated so that the end of the second vehicle body 110 away from the swivel base 120 is close to the first vehicle body 160. The use posture, as shown in fig. 1, is a posture in which the second vehicle body 110 stands upright without being folded. The first direction is a direction in which the second body 110 rotates around the connection of the first link 140 and the second link 130, so that the end of the second body 110 away from the swivel base 120 can approach the first body 160. The second direction is a direction in which the second vehicle body 110 rotates about the axial direction of the link 111 when the foldable vehicle 100 is in the use position. The first position is a position in which the retainer ring 235 is located opposite to the notch 320 and the retainer ring 235 does not enter the retainer groove 330 after the second vehicle body 110 is rotated and folded. The second position is a position where the retainer ring 235 enters the retainer groove 330 along the notch 320, and the engagement between the first fixing member 300 and the second fixing member 200 is completed.

When the foldable car 100 needs to be folded for carrying, the second car body 110 is rotated along the first direction, so that the second fastener 200 and the first fastener 300 are relatively close to each other along the rotation direction of the second car body 110, and the foldable car 100 is folded to the first position. Since the rotating base 120 can rotate relative to the first vehicle body 160 along the second direction, the second vehicle body 110 can also rotate relative to the first vehicle body 160 along the second direction, and therefore, the first fixing member 300 and the second fixing member 200 can also move relative to each other along the second direction, so that the second fixing member 200 can enter the limiting groove 330 along the notch 320, so that a portion of the limiting ring 235 is located in the limiting groove 330, a portion of the first fixing member 300 is located in the limiting ring 235, and at this time, the second vehicle body 110 is located at the second position. The inner surface of the limiting groove 330 abuts against the second fixing member 200, so that the movement of the second fixing member 200 along the first direction can be limited, and the second fixing member 200 can only be separated from the limiting groove 330 from the position of the notch 320, thereby keeping the folding posture of the foldable vehicle 100, and a user can lift the foldable vehicle 100 by lifting the second vehicle body 110 or the first vehicle body 160, which is convenient for carrying. Compared with a clamping hook and a clamping seat which are provided with clamping springs in the prior art, the clamping springs are not needed to be arranged on the second fixing piece 200 and the first fixing piece 300, and an additional rotating shaft is not needed to enable the second fixing piece 200 or the first fixing piece 300 to rotate, so that the structure and the assembly are simplified, and the cost of the folding bicycle 100 is saved.

Specifically, the first vehicle body 160 includes a pedal 170, the pedal 170 is provided with a rotation hole 500, the first vehicle body 160 and the second vehicle body 110 can be rotatably connected by inserting a portion of the second vehicle body 110 into the rotation hole 500, and the second vehicle body 110 can rotate in the rotation hole 500, and the front wheel 150 is rotatably connected to the second vehicle body 110, and the rear wheel 190 is rotatably connected to the first vehicle body 160, so that the folding vehicle 100 can move. The fixing assembly 400 is further provided with a locking assembly 135, the locking assembly 135 is used for locking the first connector 140 and the second connector 130, and the locking assembly 135 can be selected from a snap or a hook, which is conventional in the art.

Referring to fig. 3 to 5, according to some embodiments of the present disclosure, the first protrusion 310 is disposed at the notch 320, the first protrusion 310 protrudes from a groove wall of the limiting groove 330, and the first protrusion 310 is used for abutting against the limiting ring 235 located in the limiting groove 330.

When the foldable vehicle 100 is in the folded state, when the second vehicle body 110 or the first vehicle body 160 is pulled, the first fixing member 300 abuts against the inner surface of the limiting groove 330, and the first boss 310 is disposed, so that the limiting portion 210 moves along the direction toward the notch 320 and abuts against the first boss 310, thereby limiting the movement of the limiting portion 210 away from the limiting groove 330 along the second direction, and reducing the probability that the limiting portion 210 is away from the limiting groove 330 along the second direction.

Referring to fig. 3 to 5, according to a further embodiment of the present application, a second boss 340 is further disposed at the notch 320, the second boss 340 is opposite to the first boss 310, and the first boss 310 and the second boss 340 protrude from the groove wall of the limiting groove 330 along the mutually facing direction.

By arranging the second boss 340, when a user lifts the second body 110 or the first body 160, the second fixing member 200 moves along the direction toward the notch 320 and abuts against the second boss 340 or the first boss 310, so that the movement of the limiting portion 210 separating from the limiting groove 330 along the second direction is limited, and the probability of the limiting portion 210 separating from the limiting groove 330 along the second direction is reduced. The second boss 340 is disposed at the notch 320, and enough space of the limiting groove 330 can be reserved, so that the limiting ring 235 is buckled into the limiting groove 330.

Referring to fig. 2, according to some embodiments of the present application, the stop collar 235 includes a first connecting portion 230 and a stop portion 210, and the first connecting portion 230 and the stop portion 210 are connected to each other and define a stop hole 220.

The first connecting portion 230 is used to connect with the first body 160 or the second body 110 to fix the position of the retainer ring 235. The position-limiting portion 210 is connected to the first connecting portion 230 to define a position-limiting hole 220, and the position-limiting portion 210 is used for abutting against the inner surface of the position-limiting groove 330, so that the first fixing element 300 and the second fixing element 200 are fastened to each other.

Referring to fig. 2, according to a further embodiment of the present application, the second vehicle body 110 is provided with a third boss 250, and the third boss 250 is connected to or formed as a single-piece structure with the first connection portion 230.

The position where the second vehicle body 110 is coupled to the second mount 200 needs to bear a certain tensile force when being lifted in a folded state, and also needs to ensure a sufficient thickness of the coupling position to provide a screw thread when the fastening is performed using a preload member such as a bolt. By providing the third bosses 250 as the coupling positions of the second vehicle body 110 and the second mount 200, the thickness of the coupling positions is increased, thereby improving the structural strength of the coupling positions and ensuring that the coupling positions have sufficient thickness to be threaded to achieve threaded coupling. The third boss 250 can also realize the positioning effect, and realize the quick identification of the connection position. And the stop collar 235 is arranged on the third boss 250 in an integrally formed manner, so that the assembling steps of the folding bicycle 100 can be reduced, the assembling efficiency is improved, and the production period of the folding bicycle 100 or the assembling difficulty during self-assembly is shortened.

Referring to fig. 2, according to a further embodiment of the present application, the retainer ring 235 further includes a second connecting portion 240, the second connecting portion 240 is connected to the first connecting portion 230, and the second connecting portion 240 is connected to the third boss 250.

The first connecting portion 230 is connected to the limiting portion 210, and the second connecting portion 240 is connected to the third boss 250, so that the difficulty in connecting the second fixing member 200 to the second vehicle body 110 can be reduced. If the connection positions of the first connection portion 230 and the second vehicle body 110 are both set on the first connection portion 230 and are limited by the size of the limit hole 220, the locking of the preload members such as bolts from the inner surface of the limit hole 220 is difficult to achieve or to operate, and the assembly efficiency is low; the operation of locking the bolt from the inner cavity of the second vehicle body 110 is also cumbersome, and some packaging operations of the second vehicle body 110 need to be performed after the locking is completed. By providing the first coupling part 230 and the second coupling part 240, since the interference of the stopper part 210 is reduced, the operation space is larger, and the fixed coupling of the second coupling part 240 to the second body 110 can be simply achieved, and the efficiency of assembling or disassembling can be improved.

Referring to fig. 1 and 2, according to some embodiments of the present application, the second vehicle body 110 includes a connecting rod 111 and a handlebar 112, the connecting rod 111 has a set length, one end of the connecting rod 111 is connected to the second link 130, the other end is connected to the handlebar 112, and a third boss 250 is provided on the handlebar 112.

When second vehicle body 110 is folded in the first direction, the position of handle bar 112 is the position where second vehicle body 110 comes into contact with first vehicle body 160 first, and by providing third boss 250 in this position, second vehicle body 110 can be rotated to the fixing of the folded posture when second vehicle body 110 is about to come into contact with first vehicle body 160. If the second fixing member 200 is fixed to another position of the second vehicle body 110, the second vehicle body 110 needs to be rotated to a larger angle and then fixed in posture, and in order to solve the problem of possible interference between the second vehicle body 110 and the first vehicle body 160, the first fixing member 300 needs to be arranged on the side portion of the step plate 170 along the second direction, so that an extension structure needs to be arranged on the step plate 170 to mount the first fixing member 300 at a proper position to realize the matching of the first fixing member 300 and the first fixing member 300, and the arrangement of the extension structure increases the production cost and makes the structure of the foldable vehicle 100 complex.

Referring to fig. 7, according to some embodiments of the present application, the first vehicle body 160 is provided with a positioning groove 600, and a portion of the first mount 300 is located in the positioning groove 600 and connected to the first vehicle body 160.

In order to ensure that the second mount 200 can slide into the stopper groove 330 in accordance with the movement of the second vehicle body 110, the first mount 300 needs to be fixed to a position set on the first vehicle body 160, and the positioning accuracy of the first mount 300 on the fender 180 is required to be high. Through setting up constant head tank 600 and providing the location for the installation of first mounting 300, improve the positioning accuracy of first mounting 300 on fender 180, reduce the assembly debugging time of first mounting 300, reduced the assembly degree of difficulty of first mounting 300, improve assembly efficiency.

Referring to fig. 1, according to some embodiments of the present disclosure, the first vehicle body 160 includes wheels, a step 170 and a fender 180, the step 170 has a predetermined length, the wheels are respectively disposed at both ends of the step 170, one end of the step 170 is connected to the first connector 140, the fender 180 is fixedly connected to the other end of the step 170 at a position corresponding to the wheels, a positioning groove 600 is disposed on the fender 180, a portion of the first fastener 300 is located in the positioning groove 600, and the first fastener 300 is connected to the fender 180.

Specifically, the wheels include a front wheel 150 and a rear wheel 190.

When the folding cart 100 is driven on a road surface with sewage, there is a certain possibility that the sewage is carried along with the rotation of the tire to cause splashing of the sewage, thereby staining the clothes of the user. The mud guard 180 is arranged to shield sewage, so that the probability that the sewage is splashed onto a user is reduced. The length of the second vehicle body 110 is limited by the installation positions of the first mount 300 and the second mount 200, and the fender 180 is located at the farthest position from the swivel base 120 on the first vehicle body 160, and by installing the first mount 300 on the fender 180, the length of the second vehicle body 110 can be set as long as possible, so as to ensure the comfort of the user when using the foldable vehicle 100. And the first fixing member 300 is disposed on the mudguard 180, so that the probability that a user accidentally steps on the first fixing member 300 can be reduced, and the probability that the first fixing member 300 is accidentally damaged can be reduced.

Referring to fig. 1, according to a further embodiment of the present application, the first vehicle body 160 includes a wheel, a step 170 and a fender 180, the step 170 has a set length, the two ends of the step 170 are respectively provided with the wheel, one end of the step 170 is connected to the first connector 140, the fender 180 is fixedly connected to the other end of the step 170 at a position corresponding to the wheel, and the first fastener 300 and the fender 180 are of an integral structure.

The first fixing member 300 is integrally formed on the mudguard 180, so that the assembling steps of the folding bicycle 100 can be reduced, the assembling efficiency can be improved, and the production cycle of the folding bicycle 100 or the assembling difficulty during self-assembly can be shortened.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Claims (10)

1. Folding car, its characterized in that includes:

the rotary seat comprises a first connecting piece and a second connecting piece, the first connecting piece is rotatably connected with the second connecting piece, and the first connecting piece and the second connecting piece can relatively rotate around a first direction;

one end of the first vehicle body is rotatably connected to the first connecting piece, and the first vehicle body and the rotating seat can rotate relatively around a second direction;

one end of the second vehicle body is connected to the second connecting piece;

the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece is connected to the first vehicle body, the second fixing piece is connected to the second vehicle body, one of the first fixing piece and the second fixing piece is provided with a limiting ring, the other one of the first fixing piece and the second fixing piece is provided with a limiting groove, and one side, facing the first direction, of the limiting groove is provided with a notch;

the second vehicle body can wind the first direction is relative the first vehicle body rotates to the first position, just the spacing ring is correspondingly located one side of the notch, the second vehicle body can wind the second direction is relative the first vehicle body swings to the second position, just the spacing ring is certainly the notch card is gone into in the spacing groove.

2. The folding cart of claim 1, wherein the slot is provided with a first protrusion protruding from a slot wall of the limiting slot, and the first protrusion is configured to abut against the limiting ring located in the limiting slot.

3. The folding cart of claim 2, wherein a second boss is further disposed at the notch, the second boss is opposite to the first boss, and the first boss and the second boss protrude from the slot wall of the limiting slot along the mutually facing directions.

4. The folding cart of claim 1, wherein the stop collar comprises a first connecting portion and a stop portion, the first connecting portion and the stop portion being connected to each other and defining a stop hole.

5. The folding cart of claim 4, wherein the second cart body is provided with a third boss, and the third boss is connected with the first connecting portion or formed as a one-piece structure.

6. The folding cart of claim 5, wherein said stop collar further comprises a second connecting portion, said second connecting portion connected to said first connecting portion, and said second connecting portion connected to said third boss.

7. The folding cart of claim 5, wherein said second cart body comprises a connecting rod and a handle bar, said connecting rod having a set length, one end of said connecting rod being connected to said second connector and the other end being connected to said handle bar, said handle bar being provided with said third boss.

8. The folding cart of any of claims 1-7 wherein said first cart body is provided with a positioning slot, a portion of said first mount being positioned within said positioning slot and attached to said first cart body.

9. The foldable vehicle according to claim 8, wherein the first vehicle body comprises a wheel, a pedal and a mudguard, the pedal has a predetermined length, the wheel is disposed at each end of the pedal, one end of the pedal is connected to the first connector, the mudguard is fixedly connected to the other end of the pedal corresponding to the position of the wheel, a positioning groove is disposed on the mudguard, a part of the first fastener is located in the positioning groove, and the first fastener is connected to the mudguard.

10. The foldable vehicle according to any one of claims 1 to 7, wherein the first vehicle body comprises a wheel, a pedal and a mudguard, the pedal has a predetermined length, the wheel is disposed at each end of the pedal, one end of the pedal is connected to the first connector, the mudguard is fixedly connected to the other end of the pedal corresponding to the position of the wheel, and the first fixing member and the mudguard are of an integral structure.

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