CN106314655B

CN106314655B - Folder and application thereof

Info

Publication number: CN106314655B
Application number: CN201610501913.0A
Authority: CN
Inventors: 陈楠; 郑靖楠; 邱懿武
Original assignee: Youjia Nanjing Software Technology Co ltd
Current assignee: Youjia Nanjing Software Technology Co ltd
Priority date: 2016-06-30
Filing date: 2016-06-30
Publication date: 2023-12-08
Anticipated expiration: 2036-06-30
Also published as: CN106314655A

Abstract

The utility model relates to the technical field of folding vehicles, and particularly discloses a folder and application of the folder in the field of folding vehicles. In the folding device, in a closed state, one end of a first folding body is connected and fixed with one end of a second folding body through a sliding block, and the other end of the first folding body is fixed through a locking part. The first connecting piece and the second connecting piece on the first folding body extend into the second folding body, the clamping piece of the second folding body extends into the cavity on the surface of the first folding body, the sliding blocks are located in the first folding body and the second folding body at the same time, all the parts are staggered with each other in the first folding body and the second folding body, the connecting strength is high, the space outside the folding body cannot be occupied, and the attractive appearance is high. The sliding blocks are in sliding connection with the first folding body and the second folding body, so that the folding process is easier. After folding, the slider plays the linking effect between folding body one and folding body two for the stress is comparatively dispersed, and the life of folder is also longer.

Description

Folder and application thereof

Technical Field

The utility model relates to the technical field of folding vehicles, in particular to a folder and application of the folder in the field of folding vehicles.

Background

The folder is commonly used in the technical field of folding bicycles, folding electric vehicles or folding scooter and the like, and in order to reduce the volume of the folded vehicle, a girder, a frame and the like are folded through the folder in a common mode. The Chinese patent with publication number CN204197174U discloses a bicycle folder, and the Chinese patent with publication number CN201385737Y discloses a bicycle girder folder. The two types of folders are the most widely used folders at present, and the folder comprises two folding bodies arranged on one side, a rotating shaft connecting one side of the two folding bodies and a buckle type locking mechanism on the other side. The folder of this structure has following technical defect, under the folded condition, the atress of rotation axis department is great and the atress is inhomogeneous, and the intensity of folder is insufficient, and after the folding number of times was more, the probability of breaking down through rotation axis department was higher. In addition, under the closed state, buckle formula locking mechanism stands out in the volume outside the girder great, and pleasing to the eye degree is not enough, and buckle department easily takes place wearing and tearing simultaneously, and then leads to producing the trouble, and after a long time, buckle department can become more and more loose, joint strength decline.

Disclosure of Invention

The utility model aims to provide a folder with an improved structure, which aims to overcome the defects in the prior art.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a folder, comprising at least: the folding body I is provided with a first connecting piece and a second connecting piece at one end, the first connecting piece and the second connecting piece are in concentric circular arc structures, and an arc sliding cavity extending from the free ends of the first connecting piece and the second connecting piece to the inner cavity of the folding body I is arranged between the first connecting piece and the second connecting piece; a pair of symmetrical clamping pieces are arranged at one end of the second folding body, an arc chute which is matched with the arc sliding cavity is arranged on the clamping pieces, and a containing cavity which extends to the inner cavity of the second folding body and is used for containing the first connecting piece and the second connecting piece is arranged between the pair of clamping pieces; the shape of the sliding block is matched with that of the arc sliding cavity, and the sliding block is in sliding connection with the arc sliding cavity; clamping blocks are arranged on two sides of one end of the sliding block and are in sliding connection with the arc-shaped sliding grooves; the second folding body is provided with a fixing hole communicated with the accommodating cavity, the surface of the first connecting piece is provided with a pin hole, and the locking part at least comprises a stop bolt inserted into the pin hole through the fixing hole.

In the folder with the structure, in the closed state, one end of the first folding body and one end of the second folding body are connected and fixed through the sliding block, and the other end of the first folding body and the other end of the second folding body are fixed through the locking component. The first connecting piece and the second connecting piece on the first folding body extend into the second folding body, the clamping piece of the second folding body extends into the cavity on the surface of the first folding body, the sliding blocks are located in the first folding body and the second folding body at the same time, all the parts are staggered with each other in the first folding body and the second folding body, the connecting strength is high, the space outside the folding body cannot be occupied, and the attractive appearance is high.

Because the sliding block is in sliding connection with the first folding body and the second folding body, the folding process is easier, and after folding, the sliding block plays a role in connection between the first folding body and the second folding body, so that stress is dispersed, and the service life of the folder is longer.

Further, a through groove extending along the arc length direction is formed in the sliding block, and a guide piece which penetrates through the through groove and is movably connected with the through groove is arranged between the free ends of the first connecting piece and the second connecting piece.

Furthermore, the positions of the first connecting piece and the second connecting piece, which are close to the free ends, are provided with bolt holes, and the guide piece is a pin shaft which sequentially penetrates through the bolt holes and the through grooves.

Further, the locking component comprises a hollow stud fixed in the fixing hole, the stop bolt penetrates through the hollow stud, and the upper end of the stop bolt is in threaded connection with the hollow stud.

Furthermore, the stop bolt is also provided with a limiting piece, and the stop bolt is also sleeved with a spring, and the spring is positioned between the limiting piece and the hollow stud.

Further, the limiting piece is an annular boss.

Further, the upper end of the stop bolt is also provided with a movable pull ring.

The folding vehicle at least comprises a girder, wherein the girder comprises a girder I and a girder II, the girder I is fixedly connected with a folding body I, and the girder II is fixedly connected with the folding body II.

Further, the girder I is sleeved outside the folding body I, the big Liang Er is sleeved outside the folding body II, and a stop hole for accommodating the stop bolt to pass through is formed in the part of the girder II, which is connected with the folding body II.

Drawings

Fig. 1 is a schematic view of the structure of the folder in the closed state of the present embodiment;

FIG. 2 is a front view of the folder shown in FIG. 1;

FIG. 3 is a cross-sectional view of the folder shown in FIG. 2;

FIG. 4 is a schematic view showing an exploded state structure of the folder according to the present embodiment;

FIG. 5 is a schematic view showing a folded state of the folder according to the present embodiment;

FIG. 6 is a side view of the folder shown in FIG. 5;

FIG. 7 is a schematic view showing a partial structure of a folding cart according to the present embodiment;

fig. 8 is a cross-sectional view of the folder connection of the folding cart of fig. 7 in a folded state of the folder.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 7 is a schematic view showing a partial structure of a folding bicycle, which may be a bicycle or an electric bicycle. The folding cart includes at least a girder 50, the girder 50 including a girder one 51 and a girder two 52, the girder one 51 and the girder two 52 being connected by a folder as shown in fig. 1 to 6.

As shown in fig. 1 to 6, a folder of the present embodiment includes a folder body one 10, a folder body two 20, a slider 40, and a locking member 30. One end of the first folding body 10 is provided with a first connecting piece 11 and a second connecting piece 12, and it should be noted that the first connecting piece 11 and the second connecting piece 12 are in concentric circular arc structures, and an arc sliding cavity 15 extending from the free ends of the first connecting piece 11 and the second connecting piece 12 to the inner cavity of the first folding body 10 is arranged between the first connecting piece 11 and the second connecting piece 12.

In this embodiment, a pair of symmetrical clamping members 21 are provided at one end of the second folding body 20, and an arc chute 22 corresponding to the arc sliding cavity 15 is provided on the clamping members. A containing cavity 24 which extends to the inner cavity of the second folding body 20 and is used for containing the first connecting piece 11 and the second connecting piece 12 is arranged between the pair of clamping pieces 21.

Further, the folder of the present embodiment further includes a slider 40, the shape of the slider 40 is matched with the arc-shaped sliding chamber 15, and the slider 40 is slidably connected with the arc-shaped sliding chamber 15. A clamping block 41 is provided at both sides of one end of the slider 40, and is slidably connected to the arc chute 22. It should be noted that, one end of the arc chute 22 is open, so that the clamping block 41 of the sliding block 40 can conveniently enter.

In addition, the second folding body 20 of the present embodiment is provided with a fixing hole 25 communicating with the accommodating cavity, and the surface of the first connecting piece 10 is provided with a pin hole 16, wherein the locking member 30 at least includes a stop pin 31 inserted into the pin hole 16 through the fixing hole 25.

Preferably, the slider 40 of the present embodiment is provided with a through groove 42 extending in the arc length direction, and one end of the through groove 42 is open. In this embodiment, a guide member 14 movably connected to the through groove 42 is provided between the free ends of the first connector 11 and the second connector 12 through the through groove 42. Preferably, the first connecting piece 11 and the second connecting piece 12 are provided with a bolt hole 13 near the free end, and the guide piece 14 is a pin shaft passing through the bolt hole and the through groove in sequence.

Further, the locking member 30 of the present embodiment includes a hollow stud 32 fixed in the fixing hole 25, wherein the stopper pin 31 passes through the hollow stud 32 and an upper end of the stopper pin 31 is screw-coupled with the hollow stud 32.

Preferably, the stop bolt 31 is further provided with a limiting member, and the limiting member is an annular boss. And a spring is sleeved on the stop bolt and positioned between the limiting piece and the hollow stud and used for preventing the stop bolt from being separated from the hollow stud.

Preferably, the upper end of the stop bolt 31 of the present embodiment is further provided with a movable pull ring 34, which facilitates the rotation of the stud through the pull ring.

As shown in fig. 7 and 8, the girder one 51 of the present embodiment is sleeved outside the folding body one 10, the girder two 52 is sleeved outside the folding body two 20, a stop hole for receiving the stop bolt is provided at a portion of the girder two 52 connected with the folding body two 20, and the screw cap is exposed outside the girder 50. The purpose that sets up like this is with folding body one and folding body two place inside the girder, prevents that slider and folding body one or folding body two from separating, and the girder outside only has the stop part to expose simultaneously, and occupation space is littleer, and the aesthetic measure is higher moreover.

In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. A folder, comprising at least:

the folding body I is provided with a first connecting piece and a second connecting piece at one end, the first connecting piece and the second connecting piece are in concentric circular arc structures, and an arc sliding cavity extending from the free ends of the first connecting piece and the second connecting piece to the inner cavity of the folding body I is arranged between the first connecting piece and the second connecting piece;

a pair of symmetrical clamping pieces are arranged at one end of the second folding body, an arc chute which is matched with the arc sliding cavity is arranged on the clamping pieces, and a containing cavity which extends to the inner cavity of the second folding body and is used for containing the first connecting piece and the second connecting piece is arranged between the pair of clamping pieces;

the shape of the sliding block is matched with that of the arc sliding cavity, and the sliding block is in sliding connection with the arc sliding cavity; the two sides of one end of the sliding block are provided with clamping blocks which are in sliding connection with the arc-shaped sliding grooves, and one end of each arc-shaped sliding groove is open, so that the clamping blocks of the sliding block can conveniently enter;

the second folding body is provided with a fixing hole communicated with the accommodating cavity, the surface of the first connecting piece is provided with a pin hole, and the locking part at least comprises a stop bolt inserted into the pin hole through the fixing hole.

2. The folder as recited in claim 1, wherein the slider is provided with a through slot extending in the arc length direction, and a guide member movably connected with the through slot through the through slot is provided between the free ends of the first and second connecting members.

3. The folder as recited in claim 2, wherein said first and second connectors are provided with pin holes near the free ends, and said guide is a pin passing through the pin holes and through slots in sequence.

4. A folder as claimed in any one of claims 1-3, wherein the locking means comprises a hollow stud fixed in the fixing hole, the stop pin passing through the hollow stud and the upper end of the stop pin being threadedly connected with the hollow stud.

5. The folder as recited in claim 4 wherein said stop pin is further provided with a stop member, said stop pin being further sleeved with a spring, said spring being positioned between said stop member and the hollow stud.

6. The folder as recited in claim 5 wherein said stop member is an annular boss.

7. A folder as claimed in claim 1 or 2 or 3 or 5 or 6, wherein the upper end of the retaining pin is further provided with a movable tab.

8. Use of a folder as claimed in any one of the claims 1-7, in a folding cart comprising at least a girder, said girder comprising a girder one fixedly connected to a folding body one and a girder two fixedly connected to a folding body two.

9. The use according to claim 8, wherein the girder one is sleeved outside the folding body one, the big Liang Er is sleeved outside the folding body two, and a stop hole for receiving the stop bolt is formed at the position where the girder two is connected with the folding body two.