CN209795702U - Detachable combined bicycle - Google Patents

Abstract

The utility model discloses a but split combination bicycle, include: the front vehicle body and the rear vehicle body are detachably connected; the front vehicle body comprises a front vehicle frame used for mounting a vehicle head and front wheels, and the front vehicle frame is provided with a first connecting pipe which extends backwards and is detachably connected with the rear vehicle body; the rear vehicle body is detachably connected with the front vehicle body and comprises a rear vehicle frame and a third connecting pipe, the rear vehicle frame is used for providing installation and support for a vehicle seat, a rear wheel and a transmission mechanism for transmitting the rear wheel, the third connecting pipe is detachably connected with the first connecting pipe through a locking part, the front end of the third connecting pipe is telescopically connected with a second connecting pipe connected with the first connecting pipe, and the rear end of the third connecting pipe is telescopically connected with a fourth connecting pipe; during assembly, the front vehicle and the rear vehicle are detachably connected through a matched cross universal joint connecting piece. The utility model discloses not only can satisfy the rider's needs of various age groups and different statures, still can satisfy many people demand of riding simultaneously after the equipment, and ride in-process safe and reliable.

Description

Detachable combined bicycle

Technical Field

the utility model relates to a bicycle especially relates to a but combination formula bicycle that split spliced combination is carried out.

background

The bicycle is the best choice of people's environmental protection trip, and the motion of riding simultaneously also can play the purpose of body building, can say that the bicycle is indispensable in people's daily life.

Most of the existing bicycles are single bodies, can be folded and carried, but can only be ridden by one person, and the single body bicycles can not be combined so as to meet the requirement that a plurality of people ride simultaneously, and double persons or a plurality of persons ride the bicycles, so that the riding fun can be increased, the emotion can be promoted, the bicycle is suitable for lovers, relatives and one person to ride, but the existing bicycles are all integrated, and the bicycle is huge in size and inconvenient to carry; although some tandem bicycles can meet the requirements of riding by multiple people, the tandem bicycles can not be disassembled into a plurality of single bodies, so that the use scenes of the tandem bicycles are greatly reduced, and the tandem bicycles are mostly only used for leisure and play occasions such as entertainment places, scenic spots and the like.

for example, chinese patent No. 201210382283.1 discloses a retractable bicycle, which can be retracted to reduce the space occupied by storage by a retractable tube structure; also, as the chinese patent with patent No. 02116476.2 discloses a telescopic bicycle, the invention is matched with the female sleeve through the relative movement of the sub-tube and the female sleeve, and the two ends of the female sleeve are provided with fasteners for fastening and locking the sub-tube inwards, so that the front and rear wheel distances of the bicycle can be adjusted according to the body shape of the user, and when the bicycle is stored, the front and rear wheel distances can be further reduced to the minimum for convenient carrying and transportation; however, the bicycles are not detachable, can only be ridden by one person, and can not be spliced and combined to satisfy the requirement that two or even three persons ride simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and problems existing in the prior art, the utility model provides a detachable combined bicycle, which is assembled into a whole by the disassembly and assembly of the bicycle, and satisfies that two or three persons ride a bicycle simultaneously.

The utility model aims at realizing through the following technical scheme, a but split combination bicycle, include:

The front vehicle body comprises a vehicle head, front wheels and a front vehicle frame for mounting the vehicle head and the front wheels, and the front vehicle frame is provided with a first connecting pipe which extends backwards and is detachably connected with the rear vehicle body;

The rear vehicle body is detachably connected with the front vehicle body and comprises a rear vehicle frame and a third connecting pipe, wherein the rear vehicle frame is used for mounting and supporting a vehicle seat, a rear wheel and a transmission mechanism for transmitting the rear wheel, and the third connecting pipe is connected with the rear vehicle frame;

The front vehicle body and the rear vehicle body are detachably connected through detachable fasteners such as buckles or lock catches between the first connecting pipe and the third connecting pipe.

Optionally, a second connecting pipe is telescopically connected in the third connecting pipe, the second connecting pipe can move back and forth in the third connecting pipe, and the front vehicle body and the rear vehicle body are detachably connected through a detachable buckle or a lock catch between the first connecting pipe and the second connecting pipe.

Optionally, the front end of the third connecting pipe is telescopically connected with the second connecting pipe, and the rear end of the third connecting pipe is telescopically connected with a fourth connecting pipe.

Furthermore, the third connecting pipe is telescopically connected with the second connecting pipe and the fourth connecting pipe through locking parts such as buckles or latches, and the second connecting pipe and the fourth connecting pipe can move back and forth in the third connecting pipe.

Furthermore, locking parts such as lock catches or buckles used for detachably connecting the front vehicle body and the rear vehicle body are arranged between the first connecting pipe and the second connecting pipe, and the locking parts can be arranged at the rear end or the rear part of the first connecting pipe and also can be arranged at the front end or the front part of the second connecting pipe.

further, preceding automobile body, including hollow preceding frame, be fixed in the preceding wheel of preceding frame one end, can dismantle the locomotive that connects in the preceding frame other end and have the handlebar, the locomotive inserts in the preceding frame and passes through the buckle with preceding frame and be connected, has a first connecting tube that extends backward on the preceding frame.

Preferably, the bicycle head is a foldable bicycle head, and the handlebars on the foldable bicycle head can be rotatably folded and assembled.

further, collapsible locomotive, including first connecting rod, second connecting rod, lock nut, gasket, handlebar, second connecting rod one end passes through a connecting axle one with the first connecting rod and rotates and be connected, the second connecting rod other end passes through a connecting axle one and rotates with two handlebars and be connected, the second connecting rod both ends are close to rotate the junction and have the lock nut who is used for lock handlebar and first connecting rod through threaded connection, and the spacing gasket of usefulness has been put to lock nut endotheca, and lock nut rotation compresses tightly the gasket and carries on spacingly to being close to handlebar or first connecting rod department.

Furthermore, the rear vehicle body comprises a rear frame, a rear wheel and a transmission mechanism for transmitting the rear wheel, the rear frame is composed of a seat pipe, a supporting pipe, a reinforcing pipe, a fork pipe assembly and other hollow pipe fittings, preferably the seat pipe, the supporting pipe and the fork pipe assembly form a triangular component, a seat rod is adjustably inserted into the seat pipe, and a vehicle seat is connected to the seat rod.

Furthermore, the transmission mechanism comprises a caster wheel, a rear chain wheel, a pedal and a bicycle chain for connecting the caster wheel and the rear chain wheel, and the rear chain wheel is arranged on the fork tube assembly.

Further, the bicycle, still including supporting the cross universal joint connecting piece that is used for connecting the equipment bicycle, it is optional, the cross universal joint connecting piece include first connecting piece and second connecting piece, first connecting piece and second connecting piece pass through connecting axle two to be connected, can control the rotation from top to bottom between first connecting piece and second connecting piece, first connecting piece and second connecting piece afterbody are provided with the connecting hole, connect on second connecting pipe and fourth connecting pipe through the connecting hole, first connecting piece and second connecting piece afterbody or rear end are provided with retaining member such as detachable buckle or hasp, the locking is connected with second connecting pipe or fourth connecting pipe.

further, the bicycle still including set up in the fender in the rear wheel outside, on the fender was fixed in the fork pipe assembly, not only can prevent splashing of muddy water and can avoid the rear car to touch the front truck rear wheel.

Furthermore, the bicycle further comprises a foldable bicycle basket, the lower end of the foldable bicycle basket is fixed on the supporting tube through a supporting frame, the front end of the foldable bicycle basket is connected to the seat tube through a connecting frame, the bottom surface of the bicycle basket is movably connected with other surfaces through a hinge, at least part of two edges of the front part of the side end surface is provided with a plug hole, the front end surface is inserted into the plug hole through a plug pin on the front end surface, and detachable connection of the front end surface and the side end surface is completed.

The utility model discloses can carry out the combination of bicycle, ride when satisfying two people or many people, the enjoyment of riding has been addd, when needs are made up the bicycle, with one of them bicycle as the front truck, another bicycle is as the back truck, with the preceding automobile body of back truck and the locomotive and the preceding frame separation of back truck body, the locomotive passes through the connecting sleeve head and connects on the seat pipe or the seat pole of front truck, through the front truck with the interior flexible connecting pipe of the third connecting pipe of back connected to the vehicle frame or the flexible connecting pipe in the third connecting pipe of third connecting pipe directly peg graft in the third connecting pipe of back connected to the vehicle frame or the third connecting pipe and utilize retaining member fastening such as buckle or hasp, accomplish the combination of bicycle.

optionally, the fourth connecting pipe of the front vehicle may be connected to the second connecting pipe of the rear vehicle through a cross universal joint connecting member, and optionally, a spring is sleeved outside the cross universal joint connecting member.

Optionally, the third connecting pipe of the front vehicle and the third connecting pipe of the rear vehicle may also be connected by a cross universal joint connecting piece, and optionally, a spring is sleeved outside the cross universal joint connecting piece.

Optionally, the second connecting pipe of the front vehicle and the second connecting pipe of the rear vehicle may also be connected by a cross universal joint connecting piece, and optionally, a spring is sleeved outside the cross universal joint connecting piece.

The utility model discloses preceding automobile body passes through the retaining member with the back automobile body and can dismantle the connection, the cross universal joint connecting piece that can be connected through the telescopic connection pipe in preceding car and the third connecting pipe of back connected to the frame or the third connecting pipe in the third connecting pipe of back connected to the frame is direct to accomplish in the telescopic connection pipe with back connected to the frame or the third connecting pipe of back car during the equipment and be connected, also can stretch out and draw back the regulation between seat pole and seat pipe, can satisfy the needs of the rider of various age layers or different figures, adjust to the frame length that is fit for individual riding and takes advantage of, can further reduce the parking space, with convenient placing and carry in general car luggage railway carriage or compartment and transport, still had many vehicles group together simultaneously, realize many people and ride simultaneously, increase the enjoyment, promote the feeling, the safe and reliable of riding after assembling simultaneously.

Drawings

It is to be understood that the following drawings illustrate only certain embodiments of this invention and are therefore not to be considered limiting of its scope, for those skilled in the art to which it pertains, and from which further related drawings may be derived without inventive faculty.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an embodiment of the present invention;

Fig. 4 is a schematic view of an embodiment of the present invention in a state where the front vehicle body and the rear vehicle body are separated;

fig. 5 is a schematic view of an embodiment of the present invention in a state where the front vehicle body and the rear vehicle body are separated;

fig. 6 is a schematic structural diagram of an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of an embodiment of the present invention;

fig. 8 is a schematic structural view of an embodiment of the cross-shaped universal joint connection piece of the present invention;

Fig. 9 is a schematic side view of an embodiment of the foldable head of the present invention;

fig. 10 is a schematic structural view of an embodiment of the foldable handlebar of the present invention in an unfolded and locked state;

FIG. 11 is an enlarged view of a portion of the lock nut of FIG. 10 locked to the second link;

Fig. 12 is a schematic structural view of an embodiment of the folding head in an unfolded state;

FIG. 13 is a schematic structural view of an embodiment of the foldable basket of the present invention;

Fig. 14 is a schematic view of an embodiment of the bicycle according to the present invention.

in the figure: 1-front frame, 2-rear frame, 3-third connecting tube, 4-second connecting tube, 5-fourth connecting tube, 6-first connecting tube, 7-saddle, 8-parking frame, 9-buckle or latch, 10-front wheel, 12-head, 20-rear wheel, 21-caster, 23-seat tube, 24-rear sprocket, 25-reinforcement tube, 26-fender, 27-foldable basket, 28-fork tube assembly, 51-cross universal joint connector, 52-spring, 90-detachable connecting socket, 100-front body, 120-handle bar, 121-second connecting rod, 122-lock nut, 123-connecting shaft one, 124-gasket, 125-first connecting rod, 126-screw, 127-an anti-skid rubber sleeve, 200-a rear vehicle body, 210-a pedal, 211-a vehicle chain, 230-a seat rod, 270-a support frame, 271-a connecting frame, 272-a front end face, 273-a bottom end face, 274-a rear end face, 275-a plug hole, 276-a hinge, 277-a side end face, 511-a first connecting piece, 512-a second connecting piece, 513-a connecting shaft II, 514-a connecting through hole, 5110-a first connecting hole and 5120-a second connecting hole.

Detailed Description

the embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

It should be noted that the terms "lower part", "upper part", "inner side", "outer side", "front", "rear", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated part or part must have a specific orientation and be configured in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that unless expressly specified or limited otherwise, the terms "connected" and "connected" are to be construed broadly, as they may be non-removable/attachable, and removable/attachable; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

It should be noted in addition that, in the utility model, preceding frame, back frame, truckle, drive mechanism, parking frame, collapsible locomotive isotructure can adopt prior art, also can carry out the transform of shape or connected mode on prior art's basis, the utility model discloses do not restrict the shape to above-mentioned structure.

As shown in fig. 1, in the first embodiment: a detachable combined bicycle, comprising: a front vehicle body 100 including a vehicle head 12, front wheels 10, and a front frame 1 for mounting the vehicle head 12 and the front wheels 10, the front frame 1 having a first connection pipe 6 detachably connected to a rear vehicle body 200;

A rear vehicle body 200 detachably coupled to the front vehicle body 100, and including a rear frame 2 for mounting and supporting a seat 7, a rear wheel 20, and a transmission mechanism for transmitting the rear wheel 20, and a third connection pipe 3 connected to the rear frame 2;

The front car body 100 and the rear car body 200 are detachably connected through a detachable buckle or a locking piece 9 between the first connecting pipe 6 and the third connecting pipe 3.

As shown in fig. 2 in the second embodiment: a detachable combined bicycle, comprising: a front vehicle body 100 including a vehicle head 12, front wheels 10, and a front frame 1 for mounting the vehicle head 12 and the front wheels 10, the front frame 1 having a first connection pipe 6 detachably connected to a rear vehicle body 200;

the rear vehicle body 200 detachably connected with the front vehicle body 100 comprises a rear frame 2 for providing installation and support for a seat 7, a rear wheel 20 and a transmission mechanism for transmitting the rear wheel 20, and a third connecting pipe 3 connected with the rear frame 2, wherein a second connecting pipe 4 is connected in the third connecting pipe 3 in a telescopic manner;

The front car body 100 and the rear car body 200 are detachably connected through a detachable buckle or a locking piece 9 between the first connecting pipe 6 and the second connecting pipe 4.

Furthermore, the second connecting pipe 4 can move back and forth in the third connecting pipe, and at least one buckle or lock catch 9 for locking connection is arranged between the third connecting pipe 3 and the second connecting pipe 4.

As shown in fig. 3, 4 and 5, the third embodiment: a detachable combined bicycle, comprising:

A front vehicle body 100 including a vehicle head 12, front wheels 10, and a front frame 1 for mounting the vehicle head 12 and the front wheels 10, the front frame 1 having a first connection pipe 6 detachably connected to a rear vehicle body 200;

The rear vehicle body 200 detachably connected with the front vehicle body 100 comprises a rear frame 2 for mounting and supporting a seat 7, a rear wheel 20 and a transmission mechanism for transmitting the rear wheel 20, and a third connecting pipe 3 connected with the rear frame 2, wherein the front end of the third connecting pipe 3 is telescopically connected with a second connecting pipe 4, and the rear end of the third connecting pipe 3 is telescopically connected with a fourth connecting pipe 5;

The front car body 100 and the rear car body 200 are detachably connected through a detachable buckle or lock catch 9 between the first connecting pipe 6 and the second connecting pipe 4.

Further, preceding automobile body, including hollow preceding frame 1, be fixed in preceding wheel 10 of preceding frame 1 one end, can dismantle the locomotive 12 that connects in the front frame 1 other end that has the handlebar, locomotive 12 inserts in preceding frame 1 and passes through buckle or hasp 9 with preceding frame 1 and be connected, has a first connecting tube 6 that extends backward on the preceding frame 1.

Further, the detachable buckle or latch 9 between the first connecting tube 6 and the second connecting tube 4, wherein the buckle or latch 9 is disposed at the rear end or the rear portion of the first connecting tube 6, and may also be disposed at the front end or the front portion of the second connecting tube 4.

Furthermore, the first connecting pipe 6 and the third connecting pipe 3 are mother pipes, the second connecting pipe 4 and the fourth connecting pipe 5 are sub pipes, the diameters of the sub pipes are slightly smaller than those of the mother pipes, the sub pipes are inserted into the third connecting pipe 3, and the telescopic connection mode with the third connecting pipe 3 is realized through front and back movement.

optionally, the second connecting pipe 6 and the fourth connecting pipe 4 are mother pipes, and the first connecting pipe 6 and the third connecting pipe 3 are child pipes, so that the telescopic connection of the connecting pipes is realized.

Furthermore, the third connecting tube 3, the second connecting tube 4 and the fourth connecting tube 5 are respectively connected telescopically by a buckle or a lock 9, and the second connecting tube 4 and the fourth connecting tube 5 can move back and forth in the third connecting tube 3.

based on the first to third embodiments, further, the rear vehicle body includes a rear frame 2, a rear wheel 20 and a transmission mechanism for transmitting the rear wheel 20, the rear frame 2 is composed of a plurality of hollow pipe members such as a seat tube 23, a support tube (not labeled in the figures), a reinforcement tube 25, a cross-connection tube assembly 28, and preferably the seat tube 23, the support tube, and the cross-connection tube assembly 28 form a triangular member, a seat rod 230 is adjustably inserted into the seat tube 23 through a buckle or a lock 9, and a seat 7 is connected to the seat rod 230.

Further, the transmission mechanism comprises a caster 21, a rear chain wheel 24, a pedal 210 and a chain 211 connecting the caster 21 and the rear chain wheel 24, the rear chain wheel 24 is arranged on the fork joint pipe assembly 28, and the fork joint pipe assembly 28 is a triangular member; alternatively, the rear chain wheel 24 may be disposed on a rotating shaft, two ends of the rotating shaft are disposed on the two side fork tubes, and the rotating shaft and the fork tubes at two ends of the rotating shaft form a triangular member.

Further, the seat tube 23 or the seat post 230 is connected with a detachable connecting sleeve 90 for connecting the foldable head 12 of the rear vehicle during assembly through a clamping hoop, the detachable connecting sleeve 90 is a hollow female tube, one end of the female tube is provided with the clamping hoop connected with the seat tube or the seat post, and the other end of the female tube is provided with locking pieces such as a buckle or a lock catch for connecting the foldable head.

The fourth embodiment shown in fig. 9-12 is based on any one of the first to third embodiments.

Further, the head 12 is a foldable head, the handle bars 120 thereon can be rotatably folded and assembled to provide a hand-held support, the head can be a foldable vehicle disclosed in the prior art, and optionally, the end portions of the handle bars 120 are provided with anti-slip rubber sleeves 127.

further, the foldable vehicle head comprises a first connecting rod 125, a second connecting rod 121, a lock nut 122, a gasket 124 and a handlebar 120, wherein one end of the second connecting rod 121 is rotatably connected with the first connecting rod 125 through a first connecting shaft 123, the other end of the second connecting rod 121 is rotatably connected with the two handlebars 120 through a first connecting shaft 123, the lock nut 122 used for locking the handlebar 120 and the first connecting rod 125 is connected to the position, close to the rotating connection position, of the two ends of the second connecting rod 121 through a thread 126, a spacing gasket 124 is arranged in the lock nut 122, and the lock nut 122 rotates to press the gasket 124 to the position, close to the handlebar 120 or the first connecting rod 125, for spacing.

During assembly, the foldable head 12 of the rear vehicle is taken out of the front frame 1, the first connecting rod 125 of the foldable head 12 is inserted into the female pipe of the detachable connecting sleeve head 90 and locked, then the second connecting rod 121 is lifted and rotated in the vertical direction, the gasket 124 is pressed through rotating the locking nut 122, and the foldable head is moved to a position close to the first connecting rod 125 with the end part of the second connecting rod 121, so that the second connecting rod 121 is locked with the first connecting rod 125 and limited; then, the handle bar 120 is rotated to be parallel to the horizontal direction, the second connecting rod 121 and the handle bar 120 are locked and limited by rotating the locking nut 122 to compress the gasket 124, and the unfolding of the foldable bicycle head is completed.

As shown in fig. 8, the fifth embodiment is based on any one of the first to fourth embodiments.

The bicycle of the utility model also comprises a cross universal joint connecting piece 51 which is used for matching, assembling and connecting the bicycle, the connecting device comprises a first connecting piece 511 and a second connecting piece 512, the first connecting piece 511 and the second connecting piece 512 are connected through a second connecting shaft 513, through holes 514 are respectively formed in the upper end and the lower end, the left side and the right side of the second connecting shaft 513, the first connecting piece 511 and the second connecting piece 512 can rotate up, down, left and right relatively, a first connecting hole 5110 and a second connecting hole 5120 are respectively formed in the first connecting piece 511 and the second connecting piece 512, the first connecting piece 511 and the second connecting piece 512 are respectively connected to the vertical side and the horizontal side of the second connecting shaft 513 through the first connecting hole 5110 and the second connecting hole 5120 in the front end of the first connecting piece 511 and the second connecting piece 512 in a rotating mode, and female pipes which are provided with locking pieces such as a buckle/lock catch 9 and used for connecting the second connecting pipe 4 and the fourth.

Optionally, the cross-joint connector 51 is sleeved with a spring 52 on its surface.

Preferably, the second connecting shaft 513 is a cube, but a cylinder or other shapes may also be adopted.

In the present embodiment, the shapes and cross-sectional shapes of the front vehicle body, the rear vehicle body, and the connection pipe are not limited.

As shown in fig. 5 and 10, the sixth embodiment: a detachable combined bicycle is based on the technical scheme of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment or the fifth embodiment.

Further, the bicycle further comprises a foldable basket 27 at least having a bottom end surface 273, a side end surface 277 and a rear end surface 274 or a front end surface 272, wherein the rear end surface 274 or the front end surface 272 and the side end surface 277 are connected by a latch, and optionally, the front end surface 272 may have a height slightly smaller than that of the other end surfaces.

Furthermore, the lower end of the foldable basket 27 is fixed on the supporting frame 270 by screws, the supporting frame 270 is fixed on the supporting tube, the front end of the foldable basket 270 is connected on the seat tube 23 by the connecting frame 271, and the bottom end surface 273 of the foldable basket 27 is movably connected with the side end surface 277, the front end surface 272 and the rear end surface 274 by the hinge 276.

Furthermore, the side end surface 277 has at least two ribs in the vertical direction, and at least part of the ribs has insertion holes 275, and the front end surface 272 and/or the rear end surface 274 are inserted into the insertion holes 275 through insertion pins on the front end surface 272 and/or the rear end surface 274, so as to complete the detachable connection between the front end surface 272 and the side end surface 277.

the collapsible basket 27 is assembled in the following manner: the front end surface 272, the rear end surface 274 and the side end surface 277 are rotated and lifted to be vertical, and the plug pin is inserted into the insertion hole 275, so that the assembly of the foldable basket 27 is completed.

The folding mode of the foldable car basket is as follows: the plug is removed from the receptacle, and the front end 272 and the rear end 274 are rotated clockwise and counterclockwise respectively to complete the folding of the collapsible basket 27, or alternatively, the connecting frame 271 and the supporting frame 270 can be removed integrally.

In the seventh embodiment shown in fig. 6: based on any one of the first embodiment to the sixth embodiment.

Furthermore, the bicycle further comprises a mudguard 26 arranged on the outer side of the rear wheel, and the mudguard 26 is fixed on the fork joint pipe assembly 28 and covers the outer side of the rear wheel 20 in a sleeving manner, so that the muddy water can be prevented from splashing, and the front wheel and the rear wheel can be prevented from being touched.

Optionally, the mudguard 26 is a semi-closed or fully-closed mudguard to prevent the rear wheel 20 from being touched during the riding process, and thus potential safety hazards during the riding process are eliminated.

As shown in fig. 7 and 13, in the eighth embodiment: a detachable combined bicycle is based on the technical scheme of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment or the fifth embodiment.

Furthermore, the foldable basket is a conventional rear frame, a trunk is fixed on the rear frame through a clamping device, optionally, a telescopic pull rod is arranged on the trunk, and pulleys are arranged at four corners of the bottom of the trunk.

When the bicycle is assembled, the parts of the bicycle after being disassembled and folded can be placed in the luggage case, so that the bicycle is convenient to carry. During the use, open the suitcase, the bicycle is assembled, on the bicycle after-poppet was put to the suitcase, when adopting the suitcase, the suitcase of the front truck of carrying on assembling and after-poppet was a big one little, the suitcase of little suitcase can be placed in big suitcase, preceding frame 1 that the after-poppet was pulled down during the combination can be placed in little suitcase, then little suitcase is placed in big suitcase, big suitcase is put on the after-poppet again or is connected on the after-poppet through telescopic pull rod.

In the embodiment nine shown in fig. 1 and 14: a detachable combined bicycle is changed on the basis of any one of the first embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment and the eighth embodiment.

The bicycle comprises a front bicycle and a rear bicycle, wherein the third connecting pipe 3 of the front bicycle is connected with the third connecting pipe 3 of the rear bicycle through a cross universal joint connecting piece 51.

Further, the foldable head 12 of the rear vehicle is connected to the front seat tube 23 or the seat post 230 in the detachable connecting sleeve 90 connected by a clamping band.

As shown in fig. 2 and 14, the embodiment is ten: a detachable combined bicycle is based on any one of the second embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment, the seventh embodiment and the eighth embodiment.

The bicycle comprises a front bicycle and a rear bicycle, wherein the second connecting pipe 4 of the front bicycle is connected with the second connecting pipe 4 of the rear bicycle through a cross universal joint connecting piece 51, and the cross universal joint can enable the front bicycle and the rear bicycle to move relatively in the vertical direction and the horizontal direction.

Further, the foldable head of the rear vehicle is connected to the front seat tube 23 or the seat post 230 in the detachable connecting sleeve 90 connected by a clamping band.

As shown in fig. 3 and 14, the embodiment eleven: a detachable combined bicycle takes any one of the third embodiment, the fourth embodiment and the eighth embodiment as a basic technical scheme.

The bicycle comprises a front bicycle and a rear bicycle, wherein a fourth connecting pipe 5 of the front bicycle is connected with a second connecting pipe 4 of the rear bicycle through a cross universal joint connecting piece 51, and the cross universal joint can enable the front bicycle and the rear bicycle to move relatively in the vertical direction and the horizontal direction.

Further, the foldable head of the rear vehicle is connected to the front seat tube 23 or the seat post 230 in the detachable connecting sleeve 90 connected by a clamping band.

Optionally, at this time, the front frame 1 or the trunk of the rear vehicle is placed in the corresponding folding basket 27 or the trunk of the rear vehicle, or is otherwise disposed.

in the ninth embodiment, the tenth embodiment and the eleventh embodiment, a cross universal joint connecting piece is arranged between the front vehicle and the rear vehicle, and a spring is arranged on a surface limiting sleeve of the cross universal joint connecting piece, so that the rear vehicle can move up and down and left and right to freely correspond to the conditions of uneven road surfaces and turning, if the front vehicle and the rear vehicle are not on the same horizontal plane due to road bumping, the problem can be solved through the up-and-down swing of the cross universal joint, if the front vehicle and the rear vehicle are not on the same vertical plane during turning, the problem can be solved through the left-and-right swing of the cross universal joint, and an elastic piece is arranged outside the cross universal joint, so that the external interference force can be filtered, and the.

Alternatively, the detachable connection sleeve 90 for connecting the foldable head may be connected to the female pipe by conventional clips, buckles, latches, or other locking members, as known in the art.

Retaining member, can adopt buckle or hasp, also can adopt other conventional sleeve pipe fastening connected modes, for example spliced pole and screw cooperation, like connecting hole and screw again, the connecting hole sets up on inner tube and outer tube, still can think to adopt other fastening modes to alternate or replace to the ordinary skill in the art, also should understand that within the scope of protection of the utility model, concrete fastening connected mode is no longer exemplified one by one.

The utility model discloses in can adopt prior art to be provided with anti-drop's stop flange on second connecting pipe, third connection and the fourth connecting pipe, when the son pipe of scalable connecting pipe is stretched to the biggest expansion length, this limit flange is blockked by the tail end edge of this female sleeve pipe to on restricting this son pipe and only can being pulled out to its tail end and the neat biggest extension position of this female sheathed tube tail end subsides, make son pipe accomplish the equipment back, can not break away from the intraductal accident of female sleeve.

The utility model discloses a split of the flexible and preceding automobile body of connecting pipe and back automobile body, it is optional, braking system can adopt current separable braking system, shared space when can significantly reduce placing adopts telescopic connected mode moreover, can be fit for different ages and height crowd's the demand of riding.

It should be noted that the cross universal joint connecting piece of the present invention can be replaced by other connecting pieces with the same function.

First connecting pipe, second connecting pipe, third connecting pipe, fourth connecting pipe, it is independent female pipe or son pipe to design it as required, still has female pipe and son pipe simultaneously, and under the general condition, we consider the connecting pipe that has flexible removal connection function to have female pipe and son pipe, and the son pipe box is in another connecting pipe, and ordinary skilled person in the art can change or assemble on the basis of prior art, nevertheless can not change the implementation effect of this invention, should regard as to cover in the protection scope of the utility model.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (28)

1. a detachable combined bicycle, comprising: the front vehicle body (100) comprises a front vehicle frame (1) used for installing a vehicle head (12) and a front wheel (10), wherein the front vehicle frame (1) is provided with a first connecting pipe (6) which extends backwards and is detachably connected with the rear vehicle body (200); it is characterized by also comprising:

The rear vehicle body (200) is detachably connected with the front vehicle body (100) and comprises a rear frame (2) and a third connecting pipe (3), wherein the rear frame (2) is used for mounting and supporting a seat (7), a rear wheel (20) and a transmission mechanism for transmitting the rear wheel (20), and the third connecting pipe is connected with the rear frame (2); the front vehicle body (100) and the rear vehicle body (200) are detachably connected through a detachable locking piece between the first connecting pipe (6) and the third connecting pipe (3).

2. The detachable combined bicycle as claimed in claim 1, further comprising a cross-joint connector for assembling and splicing at least two bicycles.

3. A splittable combination bicycle according to claim 2, wherein the cross-joint connection comprises a first connection (511) for connecting to a front vehicle when assembled and a second connection (512) for connecting to a rear vehicle when assembled, first connecting piece (511) and second connecting piece (512) are connected through connecting axle two (513), connecting axle two (513) upper end and lower extreme and left side and right side are provided with the through-hole respectively, can be relative up-down left and right sides rotation between first connecting piece (511) and second connecting piece (512), be provided with first connecting hole (5110) and second connecting hole (5120) on first connecting piece (511) and second connecting piece (512) respectively, first connecting piece (511) and second connecting piece (512) rotate through first connecting hole (5110) and second connecting hole (5120) of its front end respectively and are connected on the vertical side and the horizontal side of connecting axle two (513).

4. A detachable combined bicycle according to claim 3, wherein the first connecting member (511) and the second connecting member (512) are provided at the rear with through holes (514) for connecting to the third connecting pipe of the front bicycle and the third connecting pipe of the rear bicycle, respectively, when assembled.

5. A detachable combined bicycle according to claim 3, characterized in that the first connecting member (511) and the second connecting member (512) are provided with a detachable locking member at the rear or rear end for locking connection.

6. a detachable combined bicycle according to claim 2, wherein the cross-shaped universal joint connector (51) is externally sleeved with a spring (52).

7. The detachable combined bicycle of claim 2, further comprising a foldable basket (27) fixed to the support frame (270) and the seat tube (23), wherein the foldable basket (27) has a bottom surface (273), a side end surface (277), a rear end surface (274) and a front end surface (272), the two side end surfaces (277) and the rear end surface (274) are integrated, the front end surface (272), the rear end surface (274) and the side end surface (277) are detachably connected by bolts, the bottom surface (273), the front end surface (272) and the rear end surface (274) are movably connected by hinges (276), the side end surface (277) has at least two ribs in the vertical direction, the ribs at least partially have insertion holes (275), and the front end surface (272) is inserted into the insertion holes (275) by the bolts thereon.

8. a detachable combined bicycle according to claim 2, further comprising a mudguard (26) arranged outside the rear wheel (20), wherein the mudguard (26) is a semi-closed or fully-closed mudguard.

9. A detachable combined bicycle according to claim 2, characterised in that the head (12) is a foldable head.

10. The detachable combined bicycle according to claim 9, wherein the foldable head comprises a first connecting rod (125), a second connecting rod (121), a lock nut (122), a gasket (124) and handlebars (120), one end of the second connecting rod (121) is rotatably connected with the first connecting rod (125) through a first connecting shaft (123), the other end of the second connecting rod (121) is rotatably connected with the two handlebars (120) through a first connecting shaft (123), the lock nut (122) used for locking the handlebars (120) and the first connecting rod (125) is connected to the position, close to the rotary connection, of the two ends of the second connecting rod (121) through threads (126), the gasket (124) for limiting is arranged in the lock nut (122), and the lock nut (122) rotatably compresses the gasket (124) to a position close to the handlebars (120) or the first connecting rod (125) for limiting.

11. A detachable combined bicycle according to claim 2, further comprising a luggage case fixed to the support frame (270) by a snap-fit device.

12. A detachable combined bicycle according to claim 2, characterized in that the seat tube (23) or the seat post (230) of the rear frame (2) is connected with a detachable connecting sleeve (90) through a clamping hoop for connecting with the foldable head of the rear frame during assembly, the connecting sleeve is a hollow female tube, one end of the female tube is provided with the clamping hoop connected with the seat tube or the seat post, and the other end is provided with a locking piece connected with the foldable head.

13. A detachable combined bicycle, comprising: the front vehicle body (100) comprises a front vehicle frame (1) used for installing a vehicle head (12) and a front wheel (10), wherein the front vehicle frame (1) is provided with a first connecting pipe (6) which extends backwards and is detachably connected with the rear vehicle body (200); it is characterized by also comprising:

The rear vehicle body (200) is detachably connected with the front vehicle body (100) and comprises a rear vehicle frame (2) and a third connecting pipe (3), wherein the rear vehicle frame (2) is used for mounting and supporting a vehicle seat (7), a rear wheel (20) and a transmission mechanism for transmitting the rear wheel (20), the third connecting pipe (3) is connected with the rear vehicle frame (2), and a second connecting pipe (4) is connected in the third connecting pipe (3) in a telescopic mode; the front vehicle body (100) and the rear vehicle body (200) are detachably connected through a detachable locking piece between the first connecting pipe (6) and the second connecting pipe (4).

14. a detachable combined bicycle according to claim 13, wherein the second connecting pipe (4) can move back and forth in the third connecting pipe (3), and at least one locking member for locking connection is arranged between the third connecting pipe (3) and the second connecting pipe (4).

15. A detachable combined bicycle according to claim 13, wherein the second connecting tube (4) is telescopically connected to the front end of the third connecting tube (3), and the rear end of the third connecting tube (3) is telescopically connected to the fourth connecting tube (5); the third connecting pipe (3) is telescopically connected with the second connecting pipe (4) and the fourth connecting pipe (5) through locking pieces respectively, and the second connecting pipe (4) and the fourth connecting pipe (5) can move back and forth in the third connecting pipe (3).

16. A detachable combined bicycle according to any one of claims 13-15, wherein the bicycle further comprises a cross joint connector for assembling and splicing at least two bicycles.

17. The detachable combined bicycle of claim 16, the cross-joint connection comprises a first connection piece (511) for connecting a front vehicle when assembled and a second connection piece (512) for connecting a rear vehicle when assembled, first connecting piece (511) and second connecting piece (512) are connected through connecting axle two (513), connecting axle two (513) upper end and lower extreme and left side and right side are provided with the through-hole respectively, can be relative up-down left and right sides rotation between first connecting piece (511) and second connecting piece (512), be provided with first connecting hole (5110) and second connecting hole (5120) on first connecting piece (511) and second connecting piece (512) respectively, first connecting piece (511) and second connecting piece (512) rotate through first connecting hole (5110) and second connecting hole (5120) of its front end respectively and are connected on the vertical side and the horizontal side of connecting axle two (513).

18. A detachable combined bicycle according to claim 17, wherein the first connecting member (511) and the second connecting member (512) are provided at the rear with through holes (514) for connecting to the fourth connecting pipe of the front bicycle and the second connecting pipe of the rear bicycle, respectively, when assembled.

19. A splittable combination bicycle according to claim 17, wherein the first connector (511) and the second connector (512) are provided with a detachable locking member at the rear or rear end for locking connection.

20. A detachable combined bicycle according to claim 16, wherein the cross-shaped universal joint connector (51) is externally sleeved with a spring (52).

21. The detachable combined bicycle of claim 16, further comprising a foldable basket (27) fixed to the support frame (270) and the seat tube (23), wherein the foldable basket (27) has a bottom surface (273), a side end surface (277), a rear end surface (274) and a front end surface (272), the two side end surfaces (277) and the rear end surface (274) are integrated, the front end surface (272), the rear end surface (274) and the side end surface (277) are detachably connected by bolts, the bottom surface (273) is movably connected with the front end surface (272) and the rear end surface (274) by hinges (276), the side end surface (277) has at least two ribs in the vertical direction, the ribs at least partially have insertion holes (275), and the front end surface (272) is inserted into the insertion holes (275) by the bolts thereon.

22. A detachable combined bicycle according to claim 16, further comprising a mudguard (26) arranged outside the rear wheel (20), wherein the mudguard (26) is a semi-closed or a fully-closed mudguard.

23. A detachable combined bicycle according to claim 16, characterised in that the head (12) is a foldable head.

24. The detachable combined bicycle according to claim 23, wherein the foldable head comprises a first connecting rod (125), a second connecting rod (121), a lock nut (122), a gasket (124) and handlebars (120), one end of the second connecting rod (121) is rotatably connected with the first connecting rod (125) through a first connecting shaft (123), the other end of the second connecting rod (121) is rotatably connected with the two handlebars (120) through a first connecting shaft (123), the lock nut (122) used for locking the handlebars (120) and the first connecting rod (125) is connected to the position, close to the rotary connection, of the two ends of the second connecting rod (121) through a thread (126), the gasket (124) for limiting is arranged in the lock nut (122), and the lock nut (122) rotatably compresses the gasket (124) to a position close to the handlebars (120) or the first connecting rod (125) for limiting.

25. A detachable combined bicycle according to claim 16, further comprising a luggage case fixed to the support frame (270) by a snap-fit device.

26. A detachable combined bicycle according to claim 16, wherein the seat tube (23) or the seat post (230) of the rear frame (2) is connected with a detachable connecting sleeve (90) through a clamping band, the detachable connecting sleeve is used for connecting a foldable head of the rear bicycle during assembly, the connecting sleeve is a hollow female tube, one end of the female tube is provided with the clamping band connected with the seat tube or the seat post, and the other end of the female tube is provided with a locking piece connected with the foldable head.

27. a detachable combined bicycle, characterized in that the bicycle comprises a front bicycle and a rear bicycle, the front bicycle and the rear bicycle adopt the bicycle as claimed in any one of claims 1-26, a foldable head (12) of the rear bicycle is connected to a seat tube (23) or a seat post (230) of the front bicycle, and a fourth connecting tube (5), a second connecting tube (4) or a third connecting tube (3) of the front bicycle is connected with a second connecting tube (4) or a third connecting tube (3) of the rear bicycle through a cross universal joint connecting piece (51) for enabling the front bicycle and the rear bicycle to move relatively in a vertical direction and a horizontal direction.

28. A detachable combined bicycle according to claim 27, wherein the cross-shaped universal joint connecting piece (51) is sleeved with a spring (52) for limiting the cross-shaped universal joint connecting piece (51).