CN214524239U

CN214524239U - Bicycle folding device

Info

Publication number: CN214524239U
Application number: CN202120778627.5U
Authority: CN
Inventors: 刘文斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-29
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a bicycle folding device, including transmission lead screw, drive arrangement seat, hinge and movable block, the transmission lead screw with drive arrangement's output fixed connection, drive arrangement installs in the drive arrangement seat, be equipped with the protection lock on the hinge, frame and back frame before the both sides of hinge are equipped with respectively, the quantity of movable block is two, the movable block is preceding movable block and back movable block respectively, preceding movable block with preceding frame fixed connection, back movable block with back frame fixed connection, preceding movable block with drive arrangement seat sliding connection, back movable block with drive arrangement seat sliding connection. The utility model has simple structure, reasonable design, compact and regular volume after being folded and convenient storage; but also can be folded automatically, liberates both hands, and even people who are inconvenient to move can also use easily.

Description

Bicycle folding device

Technical Field

The utility model belongs to the technical field of the bicycle technique and specifically relates to a bicycle folding device is related to.

Background

The bicycle is a common energy-saving and environment-friendly self-service vehicle, and the derived lying and riding bicycle suitable for short-distance travel in cities is more and more popular. The bicycle is ridden to current lying usually formula frame as an organic whole, on the one hand because whole car configuration can not change once more after the product assembly shaping, for the stability of keeping lying and riding the bicycle, the volume of lying and riding the bicycle is also generally great, the corresponding needs in storage space that needs are great, and lie and ride the place of use of bicycle and be mostly outdoor, accomodate the position of depositing lying and riding the bicycle promptly and use the place and can not be in the same place usually, need remove just can arrive, it is obviously very inconvenient to move the great bicycle of lying of volume under this condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bicycle folding device which has simple structure, reasonable design, compact and regular volume after being folded and convenient storage; the folding device can be automatically folded, and hands are liberated;

the utility model provides a bicycle folding device, including preceding frame and back frame, preceding frame with back frame hinged joint connects, rotate on the preceding frame and be connected with preceding movable block, it is connected with the back movable block to rotate on the back frame, preceding movable block with be equipped with a plurality of guide rails between the back movable block, preceding movable block with still be equipped with the transmission lead screw between the back movable block, the one end and the preceding movable block of transmission lead screw rotate to be connected, the transmission lead screw with the back movable block passes through the screw thread transmission and connects.

Furthermore, connectors extend out of two sides of the front movable block, connecting pieces are arranged on the connectors and are rotatably connected with the connectors, and the connecting pieces are fixedly connected with the front frame.

Furthermore, connectors extend out of two sides of the rear movable block, connecting pieces are arranged on the connectors and are rotatably connected with the connectors, and the connecting pieces are fixedly connected with the rear frame.

Furthermore, a driving device seat is arranged on one side of the guide rail, and a driving device is arranged in the driving device seat.

Furthermore, one side of the front movable block, which is close to the driving device seat, is provided with a plurality of front guide rail holes, the number of the front guide rail holes is the same as that of the guide rails, and the front movable block is fixedly connected with the guide rails through the front guide rail holes.

Furthermore, one side that back movable block is close to the drive arrangement seat is equipped with a plurality of back guide rail holes, back guide rail hole runs through back movable block, the quantity in back guide rail hole with the quantity of guide rail is the same, back movable block passes through back guide rail hole with guide rail sliding connection.

Furthermore, the transmission screw rod is fixedly connected with the output end of the driving device, and an external thread is arranged on one side, close to the driving device, of the outer wall of the transmission screw rod.

Furthermore, a front transmission hole is formed in the center of the front movable block, a bearing is arranged in the front transmission hole, and the front movable block is connected with the transmission screw rod through the bearing.

Furthermore, a rear transmission hole is formed in the center of the rear movable block, an internal thread matched with the thread on the transmission screw rod is formed in the rear transmission hole, and the rear movable block is in threaded connection with the transmission screw rod through the internal thread.

Furthermore, the corresponding positions on the opposite side surfaces of the front movable block and the rear movable block are respectively provided with a contact alarm.

The technical scheme of the utility model remove through the transmission lead screw that links to each other with drive arrangement drive back movable block, back movable block is close to forward movable block gradually, because can the mutual rotation between preceding movable block and the preceding frame, can the mutual rotation between back movable block and the back frame, so can drive back frame simultaneously and draw in folding forward the frame to make the frame automatic folding, automatic folding can liberate both hands, realize lying the automatic folding of riding the bicycle, reduce occupation space, be convenient for deposit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a side view of the utility model when folded;

FIG. 3 is a schematic view of a drive assembly base with attached guide rails;

FIG. 4 is a schematic view of the drive assembly base with the drive assembly mounted thereon;

FIG. 5 is a schematic view of a front active block;

FIG. 6 is a schematic view of a rear movable block;

description of reference numerals:

1-a driving device seat, 2-a rear movable block, 201-a rear transmission hole, 202-a rear guide rail hole, 3-a front movable block, 301-a front transmission hole, 302-a front guide rail hole, 303-a bearing, 4-a connector, 5-a connecting sheet, 6-a transmission screw rod, 7-a front frame, 8-a rear frame, 9-a hinge, 10-a contact alarm and 11-a guide rail;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1

A bicycle folding device comprises a front frame 7 and a rear frame 8; the front frame 7 is hinged with the rear frame 8 through a hinge 9, an electric hinge protective lock (not shown in the figure) is arranged on the hinge 9, and when the hinge 9 is opened, the bolt-shaped protective lock is popped out to lock the hinge 9; the front frame 7 is rotatably connected with a front movable block 3, the rear frame 8 is rotatably connected with a rear movable block 2, and a plurality of guide rails 11 are arranged between the front movable block 3 and the rear movable block 2.

As shown in fig. 3

One side of the guide rail 11 is provided with a driving device seat 1. The guide rail 11 can only make the driving device and the rear movable block 2 have relative sliding movement, and eliminate relative rotating movement, so that the driving device does not have offset when in operation.

As shown in fig. 4

The driving device seat 1 is internally provided with a driving device, the output end of the driving device is provided with a transmission screw rod 6, and one side of the outer wall of the transmission screw rod 6, which is close to the driving device, is provided with threads. The screw thread of the transmission screw rod 6 is matched with the internal screw thread of the transmission hole of the rear movable block 2, and when the driving device drives the transmission screw rod 6 to rotate, the rear movable block 2 is driven to do translational motion along the guide rail 11. The part of the transmission screw rod 6 without threads is matched with a bearing 303 in a front transmission hole 301 of the front movable block 3, so that the friction during rotation is reduced. The brushless motor runs in self-control mode, so that it does not need additional starting winding on rotor, unlike synchronous motor started by heavy load under frequency-changing speed regulation, and does not produce oscillation and step-out when load suddenly changes.

As shown in fig. 5

The connector 4 extends from the two sides of the front movable block 3, the connector 4 is provided with the connecting sheet 5, the connecting sheet 5 is rotatably connected with the connector 4, the connecting sheet 5 is fixedly connected with the front frame 7, and at the moment, the front frame 7 and the front movable block 3 can be relatively rotated through the rotating connection of the connecting sheet 5 and the connector 4. The center of the front movable block 3 is provided with a front transmission hole 301, a bearing 303 is arranged in the front transmission hole 301, and the front movable block 3 is connected with the part without threads of the transmission screw rod 6 through the bearing 303. A plurality of front guide rail holes 302 are formed in one side, close to the driving device, of the front movable block 3, the number of the front guide rail holes 302 is the same as that of the guide rails 11, the front movable block 3 is fixedly connected with the guide rails 11 through the front guide rail holes 302, and the front movable block 3 and the driving device are kept relatively fixed through the fixed connection.

As shown in fig. 6

The connector 4 extends from the two sides of the rear movable block 2, the connector 4 is provided with a connecting sheet 5, the connecting sheet 5 is rotatably connected with the connector 4, the connecting sheet 5 is fixedly connected with the rear frame 8, and at the moment, the rear frame 8 and the front and rear movable blocks 2 can be rotatably connected with each other through the connecting sheet 5 and the connector 4 to realize relative rotation. The center of the back movable block 2 is provided with a back transmission hole 201, an internal thread matched with the thread on the transmission screw rod 6 is arranged in the back transmission hole 201, and the back movable block 2 is matched with the part of the transmission screw rod 6 with the thread through the internal thread. One side that back movable block 2 is close to drive arrangement is equipped with a plurality of back guide rail holes 202, and back guide rail hole 202 runs through back movable block 2, and the quantity of back guide rail hole 202 is the same with the quantity of guide rail 11, and back movable block 2 passes through back guide rail hole 202 and guide rail 11 sliding connection, because preceding movable block 3 keeps relatively fixed with drive arrangement, so when drive arrangement drove transmission lead screw 6 and rotates, back movable block 2 just was driven and is translational motion along guide rail 11.

As shown in fig. 2, 5 and 6

The same positions of one side of the front movable block 3 close to the rear movable block 2 and one side of the rear movable block 2 close to the front movable block 3 are provided with contact alarms 10, and when the two groups of contact alarms 10 are mutually attached, a signal is sent to stop the work of the driving device, and the driving device locks the transmission screw rod 6.

This device can be used to folding bicycle of riding of lying, and whole device is installed in folding main part frame below of riding bicycle of lying, and folding bicycle of riding uses folding part to divide into two parts around as the center, and preceding frame 7 and folding preceding half fixed connection who rides the bicycle of lying, back frame 8 and folding back half fixed connection who rides the bicycle of lying.

When the whole device is folded, firstly, the protection lock of the hinge 9 is removed, the bolt-shaped protection lock is popped out, then the driving device starts to work, the transmission screw rod 6 is driven by the motor to rotate, the rear movable block 2 is translated along the guide rail 11 under the action of the thread, at the moment, the front movable block 3 and the front frame 7 rotate relatively, the rear movable block 2 and the rear frame 8 also rotate relatively, the rear movable block 2 continues to translate, the rear movable block 2 gradually moves forward, the movable block 3 is close to and simultaneously drives the rear frame 8 and the front frame 7 to fold, the hinge 9 is gradually closed until the contact alarm 10 contacts with each other and sends a signal, and the driving device stops working and locks the rotating rod 6.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a bicycle folding device, its characterized in that, includes preceding frame and back frame, preceding frame with back frame hinged joint connects, rotate on the preceding frame and be connected with preceding movable block, it is connected with back movable block to rotate on the back frame, preceding movable block with be equipped with a plurality of guide rails between the back movable block, preceding movable block with still be equipped with the transmission lead screw between the back movable block, the one end and the preceding movable block of transmission lead screw rotate to be connected, the transmission lead screw with back movable block passes through screw thread transmission and connects.

2. The bicycle folding device according to claim 1, wherein connectors extend from both sides of the front movable block, and connecting pieces are provided on the connectors, the connecting pieces are rotatably connected with the connectors, and the connecting pieces are fixedly connected with the front frame.

3. The bicycle folding device according to claim 1, wherein connectors extend from both sides of the rear movable block, and connecting pieces are provided on the connectors, the connecting pieces are rotatably connected with the connectors, and the connecting pieces are fixedly connected with the rear frame.

4. The bicycle folding apparatus in accordance with claim 1, wherein a driving device seat is provided at one side of the guide rail, and a driving device is provided in the driving device seat.

5. The bicycle folding device according to claim 4, wherein a plurality of front guide holes are formed in a side of the front movable block close to the driving device seat, the number of the front guide holes is the same as that of the guide rails, and the front movable block is fixedly connected with the guide rails through the front guide holes.

6. The bicycle folding device according to claim 4, wherein a plurality of rear guide holes are formed in one side of the rear movable block close to the driving device seat, the rear guide holes penetrate through the rear movable block, the number of the rear guide holes is the same as that of the guide rails, and the rear movable block is slidably connected with the guide rails through the rear guide holes.

7. The bicycle folding device according to claim 4, wherein the transmission screw is fixedly connected with the output end of the driving device, and an external thread is arranged on one side of the outer wall of the transmission screw, which is close to the driving device.

8. The bicycle folding device according to claim 7, wherein a front transmission hole is formed in the center of the front movable block, a bearing is arranged in the front transmission hole, and the front movable block is connected with the transmission screw rod through the bearing.

9. The bicycle folding device according to claim 7, wherein a rear transmission hole is formed in the center of the rear movable block, an internal thread matched with the thread on the transmission screw rod is formed in the rear transmission hole, and the rear movable block is in threaded connection with the transmission screw rod through the internal thread.

10. The bicycle folding device according to claim 1, wherein a contact alarm is provided at a corresponding position on the opposite side of the front movable block and the rear movable block.