CN201124909Y

CN201124909Y - Bicycle folder

Info

Publication number: CN201124909Y
Application number: CNU2007201441685U
Authority: CN
Inventors: 刘贤一
Original assignee: HUA RONG METAL PRODUCTS (KUNSHAN) CO Ltd
Current assignee: HUA RONG METAL PRODUCTS (KUNSHAN) CO Ltd
Priority date: 2007-08-31
Filing date: 2007-08-31
Publication date: 2008-10-01
Anticipated expiration: 2017-08-31

Abstract

The utility model discloses a bicycle folder, which comprises an upper folder, a lower folder and a locking screw, wherein the upper folder is articulated with the lower folder via an articulated shaft, an upper screwed opening is opened on the upper folder, a sealed lower screwed opening corresponding to the upper screwed opening is opened on the lower folder and is provided with internal screw threads inside, the locking screw is provided with external screw threads, the locking screw passes through the upper screwed opening and is fixedly engaged with the internal screw thread inside the lower screwed opening, a semi-opening is opened on the side surface of the upper screwed opening of the upper folder, the size of the semi-opening is slightly larger than the diameter of the locking screw, and the locking screw can just pass through the semi-opening. The bicycle folder provided by the utility model is suitable for the frame, the handle bar and other parts of the bicycle, and the folding process can be completed without complete unscrewing all the locking screws, so as to bring great convenience to a user.

Description

Bicycle folder

Technical field

The utility model relates to a kind of bicycle folder.

Background technology

In order to save the volume that bicycle occupies, can folding device be set at positions such as vehicle frame, handlebars, when folding, can reduce folding device the volume of bicycle significantly, and be convenient to user's folding and unfolding and carry.

In the prior art, most bicycle folders are made of last folded formation, following folded formation and lockout mechanism, last folded formation is hinged by jointed shaft and following folded formation, last folded formation is provided with on screw socket on the osed top, the following folded formation and last screw socket correspondence is provided with screw socket under the osed top, lockout mechanism is made of lock nut and lock screw, lock nut is passed behind screw socket, the following screw socket and the lock screw locking, also is provided with the breach of ccontaining lock screw on the following folded formation.

Because the last screw socket of last folder is an osed top, when using positions such as above-mentioned folding device folding stand, handlebar, lock nut all must be outwarded winding, just can finish folding process, and the lock nut of outwarding winding also needs to take care of separately and is fixing, brings great inconvenience to the user.

The utility model content

At the above-mentioned deficiency of prior art, technical problem to be solved in the utility model be propose a kind of need not lock nut all outwarded winding just can finish the bicycle folder of folding process.Lock nut need not all to outward winding when using this folder, does not exist the lock nut of will outward winding to take care of separately and fixing problem, gives the user with great convenience.

In order to solve the problems of the technologies described above, the bicycle folder that the utility model proposes is by last folded formation, following folded formation and lock nut constitute, last folded formation is hinged by jointed shaft and following folded formation, last folded formation is provided with screw socket, be provided with screw socket under the osed top with last screw socket correspondence on the following folded formation, offer negative thread in the following screw socket, lock nut has outside thread, lock nut is passed screw socket, with the negative thread engages fixed in the following screw socket, its innovative point is: the last screw socket side of going up folder offers half opening, the size of half opening is slightly larger than the diameter of lock nut, and lock nut just in time can be passed this half opening.

As another optimal technical scheme, the above-mentioned lock nut of the utility model preferably is made up of quincunx base, the body of rod and head, quincunx base below preferably is provided with circular protrusions, quincunx base, the body of rod, head and circular protrusions are one-body molded, the size of circular protrusions and volume and last screw socket correspondence.

As another optimal technical scheme, do not offer screw thread on the contour body of rod of the utility model above-mentioned lock nut circular protrusions bottom and last screw socket side half opening.

As an optimal technical scheme again, the head of the above-mentioned lock nut of the utility model preferably is provided with the depression circle, and the depression circle is gone up to install and is provided with jump ring.

With respect to the bicycle folder of prior art, the half opening that the utility model is offered by the last screw socket side of last folder, folding process need not lock nut is all outwarded winding, and gives the user with great convenience.

Description of drawings

Fig. 1-the 1st, the structural representation of the utility model bicycle folder (not locking) with lock nut;

Fig. 1-2 is the open mode scheme drawing (not locking with lock nut) of the utility model bicycle folder;

Fig. 2-the 1st, the structural representation of folder on the utility model;

Fig. 2-the 2nd, the birds-eye view of Fig. 2-1.

Fig. 3 is the structural representation of folder under the utility model;

Fig. 4-the 1st, the structural representation of the utility model lock nut;

Fig. 4-the 2nd, the upward view of Fig. 4-1;

Fig. 5 is the structural representation of jump ring.

Wherein: 1 is last folder; 2 are following folder; 3 is jointed shaft; 4 is lock nut; 5 is last screw socket; 6 are following screw socket; 7 is half opening; 8 is breach; 9 is circular protrusions; 10 is outside thread; 11 is the body of rod; 12 is head; 13 is base; 14 are the depression circle; 15 is jump ring.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Shown in Fig. 1-1 and 1-2, a kind of bicycle folder that the utility model one preferred embodiment proposes is made of last folded formation 1, following folded formation 2 and lock nut 4, last folded formation 1 is hinged by jointed shaft 3 and following folded formation 2, shown in Fig. 2-1 and Fig. 2-2, last folded formation 1 is provided with on screw socket 5, the following folded formation 2 and last screw socket 5 correspondences are provided with screw socket 6 under the osed top, offer negative thread in the following screw socket 6, lock nut 4 has outside thread 10 (shown in Fig. 4-1 and 4-2), lock nut 4 is passed screw socket 5, the negative thread engagement locking in outside thread 10 and the following screw socket 6.Last screw socket 5 sides of last folder 1 offer the half opening 7 that width is 7.1mm, and the size of half opening 7 is slightly larger than the diameter 7.0mm of lock nut 4, and lock nut 4 just in time can be passed this half opening 7.

In addition, go up folded formation 1 in the present embodiment, common structure is as good as in folded formation 2, lock nut and jointed shaft 3 shapes such as (connecting bores that supplies jointed shaft 3 to wear that comprises setting on folded formation 1 and the following folded formation 2) and structure and the prior art down, and have no special requirements.

Shown in Fig. 4-1 and 4-2, lock nut 4 is made up of quincunx base 13, the body of rod 11 and head 12, quincunx base 13 belows are provided with circular protrusions 9, quincunx base 13, the body of rod 11, head 12 and circular protrusions 9 are one-body molded, the size of circular protrusions 9 and volume and last screw socket 5 correspondences, after screwing lock nut 4, circular protrusions 13 just in time falls into screw socket 5 places, plays and further protects solid effect.Do not offer outside thread on the contour body of rod 11 of lock nut 4 circular protrusions, 9 bottoms and last screw socket 5 side half openings 7.The head 12 of lock nut 4 also is provided with depression circle 14, and jump ring 15 as shown in Figure 5 is installed on the depression circle 14, and when outwarding winding lock nut 4, because of the screens effect of this jump ring 15, lock nut 4 can not all screw off like this, thereby prevents that lock nut 4 from dropping.

Below in conjunction with description of drawings course of action of the present utility model.

Shown in Fig. 1-1 and 1-2, after last folded formation 1 and following folded formation 2 closures, screw lock nut 4, base 13 replaces folder 1, and this moment, whole folder was not opened.In the time of need opening folder, the lock nut 4 of partly outwarding winding is broken folded formation 1 off with the fingers and thumb, and last folded formation 1 passes the body of rod 11 of lock nut 4 by half opening 7, and folder is opened, and just can fold bicycle rack etc.

Claims

1, a kind of bicycle folder, constitute by last folded formation, following folded formation and lock nut, last folded formation is hinged by jointed shaft and following folded formation, last folded formation is provided with on screw socket, the following folded formation and last screw socket correspondence is provided with screw socket under the osed top, offer negative thread in the following screw socket, lock nut has outside thread, lock nut is passed screw socket, with the negative thread engages fixed in the following screw socket, it is characterized in that, the last screw socket side of last folder offers half opening, and the size of half opening is slightly larger than the diameter of lock nut, and lock nut just in time can be passed this half opening.

2, bicycle folder according to claim 1, it is characterized in that, lock nut is made up of quincunx base, the body of rod and head, quincunx base below is provided with circular protrusions, quincunx base, the body of rod, head and circular protrusions are one-body molded, the size of circular protrusions and volume and last screw socket correspondence.

3, bicycle folder according to claim 2 is characterized in that, the head of lock nut is provided with the depression circle, and the depression circle is gone up to install and is provided with jump ring.

4, bicycle folder according to claim 2 is characterized in that, does not offer screw thread on the contour body of rod of lock nut circular protrusions bottom and last screw socket side half opening.