CN201105786Y

CN201105786Y - Bicycle folders

Info

Publication number: CN201105786Y
Application number: CNU2007201223568U
Authority: CN
Inventors: 李木元; 张义勇; 雷建勤
Original assignee: KOMDA BICYCLES (SHENGZHEN) CO Ltd
Current assignee: KOMDA BICYCLES (SHENGZHEN) CO Ltd
Priority date: 2007-08-21
Filing date: 2007-08-21
Publication date: 2008-08-27
Anticipated expiration: 2017-08-21

Abstract

The utility model discloses a bicycle folder which comprises a folding box consisting of a front box body (11), a rear box body (12), a hinge axis (13) and a pin (14). The front box body (11) and the rear box body (12) are connected through the hinge axis (13) and are closed and locked through the pin (14). The lateral margin of the front box body (11) of the folding box is provided with a button placement and the pin (14) is positioned on the front box body (11). A linkage fastening mechanism is added with one end locked with the button placement and the other end forming an axial pressure force towards the pin (14) when the folding box is closed and locked, thereby having functions of locking the folding box twice and restraining the folding box from opening suddenly, forming double locking connection and greatly improving factor of assurance and the reliability and safety of linkage; the linkage fastening mechanism increases the locking force between the front box body and the rear box body, can prevent the pin from separating more effectively and enhances joint strength.

Description

Bicycle folder

[technical field]

The utility model relates to a kind of bindiny mechanism, especially refers to a kind of folder that is used for bicycle or Electrical Bicycle.

[background technology]

The existing folding bonded assembly folder that is used for bicycle or Electrical Bicycle, also claim the hinge latching device, generally comprise upper hinge, following hinge, hinge axis, pivot pin and Camlock free handle etc., on, following hinge one end is by hinge axis and both are hinged, be with the free handle of tool eccentric wheel structure on the hinge axis, this pivot pin comprises the axis body that is connected one with free handle, and the button that is connected in this axis body end is held body, and on, the buckleing of the corresponding pivot pin of the non-pin jointed end of following hinge held the body position and is provided with to buckle and holds groove, rotation by eccentric free handle makes to buckle to hold body and buckle and holds groove and buckle and hold or break away from, thereby makes, following hinge reaches locking or opens.

In Chinese patent CN03273316.X " hinge catch gear ", CN200420060695.4 " hinge latching device ", aforementioned structure is improved.In CN200420060695.4 " hinge latching device ", as shown in Figure 1, the hinge latching device comprises upper hinge 101, following hinge 102, elastic component 103, pivot pin 104 and hinge axis 105, upper and lower hinge 101,102 1 ends form hinged by hinge axis 105 connections, thereby make upper hinge 101 play hinge 102 rotations relatively for S. A. by this hinge axis 105, thereby realize the open and close between the upper and lower hinge 101,102.This mechanism is by perpendicular to the up and down pivot pin and the structure at articulated joint place and cooperating of elastic component up and down of hinge bearing of trend, realized that this upper and lower hinge can be by realizing opening or locking to the pivot pin application of force in the horizontal direction, so be difficult for because of being subjected to improperly external force to destroy locking state, thereby guarantee to lock safety.

Though this structure through the described improvement of above-mentioned patent, makes its locking safety be improved; But when pivot pin locking connects because a variety of causes and after malfunctioning, upper hinge, hinge locking was lost efficacy down, caused safety misadventure easily.

[summary of the invention]

Main purpose of the present utility model is: a kind of bicycle folder of locking safety and reliability is provided.

The purpose of this utility model is achieved in that a kind of bicycle folder, comprise folded box, described folded box comprises preceding box body, back box body and hinge axis, pivot pin, described before box body, back box body connect by hinge axis, described before box body, back box body realize closed and locked by described pivot pin; Also comprise the connecting rod fastening mechanism; The front cabinet side edge of described folded box is provided with button bit, and described pivot pin is installed on described preceding box body; Described connecting rod fastening mechanism and described pivot pin are terminal to flexibly connect, and under the closed and locked state of folded box, described connecting rod fastening mechanism one end is locked with described button bit, and described pivot pin is formed an axial application force of pushing.

Above-mentioned bicycle folder, described connecting rod fastening mechanism comprises free handle, movable rod, handle movable axis, connecting rod movable axis; Described free handle is connected by described handle movable axis and described pivot pin are terminal; Described movable rod is connected with described free handle by described connecting rod movable axis; Under the closed and locked state, the free end of described movable rod and described button bit fasten.Described connecting rod fastening mechanism also comprises the connecting rod hook axle that is used for the locking of described movable rod and described button bit, is arranged at described button bit place or is fixed in the free end of described movable rod.

Described button bit is made as the connecting rod groove, and described connecting rod hook axle is that part is installed in the described connecting rod groove to the lock screw.

Above-mentioned bicycle folder, the sidewall of described connecting rod groove offers the degree of tightness adjustment hole, and this hole is built-in to be used for the degree of tightness that connecting rod colludes the connecting rod hook axle in the groove is risen the governing screw of regulating action.

Above-mentioned bicycle folder, described back box body are positioned at box and are provided with safe limiting stopper along the place, and described movable rod offers gap or groove; Under the closed and locked state of folded box, described safe limiting stopper is defined in described gap or the groove by described movable rod.

Described movable rod comprises left side arm, right arm, and the two be arranged in parallel, forms the gap between the two.

Compare with above-mentioned prior art, the utlity model has following advantage: the pivot pin in original folded box cooperates on the basis with the locking of fastening piece, the utility model is set up the connecting rod fastening mechanism, front and back box body to folded box plays secondary locking and limits unexpected open effect, forming two-fold locking connects, conservative factor increases substantially, and has promoted the bonded assembly reliability and security; Coupling mechanism force before and after the connecting rod fastening mechanism has increased between the box body, actv. prevents that pivot pin breaks away from, and has increased Joint strenght more;

Because connecting rod fastening mechanism, button bit are arranged on the same side box body of folded box, when closed like this, folding box body and connecting rod fastening mechanism are the parallel shape setting, and outward appearance is succinct; Fastening mechanism and button bit all are positioned at the same side of folded box, as are positioned on the side of box body before the folded box, and be easy to use.

The connecting rod mechanism that links closely forms one by connecting rod hook axle with the connection that the connecting rod on the folded box colludes groove, makes connection more tight, and difficult drop-off makes the process of fastening folded box that continuity more be arranged; The left and right side arm of movable rod cooperates with the spacing of safe limiting stopper on the folded box, thereby prevent that the fastening connecting rod mechanism is under the situation of the unexpected fracture of fastening piece or open under other unforeseen circumstancess, front-back to folded box plays secondary locking and limits unexpected open effect, forming two-fold locking connects, conservative factor increases substantially, and has promoted the bonded assembly reliability and security.

The groove that colludes of box body is provided with two degree of tightness adjustment holes before folded box, the built-in governing screw in hole, and governing screw is axially advanced and retreat, and the degree of tightness that can play colluding the connecting rod hook axle in the groove plays regulating action, regulates with the degree of tightness that realizes the connecting rod fastening mechanism.

[description of drawings]

Fig. 1 is the section plan of existing folder when being in locking state.

Fig. 2 is the lateral plan of the folder of the utility model embodiment one when being in locking state.

Fig. 3 is the lateral plan of the folder of the utility model embodiment one when being in opening.

Fig. 4 is the folded box local structure scheme drawing of the utility model embodiment one.

Fig. 5 is the folded box structural representation of the utility model embodiment one.

[specific embodiment]

Below in conjunction with accompanying drawing, the utility model is described in further detail by specific embodiment:

Embodiment one:

See also Fig. 2 to Fig. 5, bicycle folder of the present utility model comprises folded box, connecting rod fastening mechanism.

Folded box comprises preceding box body 11, back box body 12, hinge axis 13, pivot pin 14, elastic component 15, preceding box body 11, back box body 12 1 ends form hinged by hinge axis 13 connections, thereby box body 11, back box body 12 can be the relative Unscrew of S. A. by this hinge axis 13 before making, thereby the open and close between box body 11, the back box body 12 before realizing.Elastic component 24 adopts spring.In the box body, meet at right angles with hinge axis 13 before pivot pin 14, elastic component 15 are installed on, back box body is provided with fastening piece 121, and under closure state, pivot pin 14 is locked in the groove of fastening piece, has realized that the locking of first between this forward and backward box body connects.Its structure, principle of work have obtained sufficient disclosure in aforementioned patent CN03273316.X " hinge catch gear ", CN200420060695.4 " hinge latching device ".The connecting rod fastening mechanism comprises free handle 21, movable rod 22, and the two flexibly connects with connecting rod movable axis 25, can be pivoted relatively; Free handle 21 flexibly connects handle movable axis 24 with the end of pivot pin 14, free handle 21 and relatively this axle be pivoted.Please in conjunction with Fig. 2, shown in Figure 3, when the free end button of movable rod 22 is located at button bit-connecting rod groove 111 of preceding box body 11 corresponding settings, it withholds the point of application, free handle 21 and movable rod 22 point of connection-connecting rod movable axis 25, free handle and pivot pin point of connection handle movable axis 24, form one greater than the angle of 178 degree less than 180 degree, under the linkage tightening state, form to the thrust of pivot pin 14 with to the pulling force of connecting rod groove 111 and form free handle to box body buckled up pressure.

The free end of movable rod 22 connects connecting rod hook axle 23, connecting rod hook axle 23 adopts the lock screw, a part is positioned in the connecting rod groove 111 all the time, in the process of assembling, at first make movable rod 22 be put in connecting rod groove 111 positions, make then the lock screw is passed in free end and the connecting rod groove 111, lock.Its force analysis is roughly: with connecting rod hook axle 23 as the application force fulcrum; Under the application force of external force, decompose to produce one along pivot pin 14 axially inside push application force, make pivot pin 14 to being subjected to force direction deeply, thereby the front and back box body more can close fit; Under the effect of application force, make free handle 21 to moved by force direction, when connecting rod hook axle 23, handle movable axis 24, the effect of 25 3 formation bars of connecting rod movable axis thick stick, thereby free handle can not scattered with the elimination of application force.Be different from common eccentric free handle, when to this routine free handle application of force, leverage is that pivot pin is applied the pressure that presses down, and simultaneously forward and backward box body is applied coupling mechanism force and makes it more be difficult for getting loose, and simultaneously the front and back box body is played safe position-limiting action.

When closed folded box, axially outwards force on the free handle 21 along pivot pin 14, thereby the resistance pulling certain distance that overcomes elastic component 15 is in the part axis body of pivot pin 14 can the groove by fastening piece 121, unclamp pulling force, then the part axis body at the elastic force effect lower shaft pin 14 of elastic component 15 enters in the groove, realizes first of forward and backward box body is heavily locked purpose; Again with movable rod 22 free ends and 23 lockings of connecting rod hook axle; Free handle 21 is applied application force, under the application force of external force, decompose to produce one along pivot pin axially to internal pressure, make pivot pin to being subjected to force direction deeply, thereby realize that the second heavy locking connects.As seen, this routine structure has realized that to the front and back box body two-fold locking connects, and is safer reliable.

As shown in Figure 3, in this example, set up safe limiting stopper 120, safe limiting stopper 120 is arranged at the box of back box body 12 along the place; Movable rod 22 comprises left side arm 221, right arm 222, and the two be arranged in parallel, forms the gap between the two; Current, back box body closure, during movable rod 22 fastening connecting rod grooves 111, the left side arm 221 of movable rod 22, right arm 222 are limited in safe limiting stopper 120 in the intermediate space; Thereby prevent that the fastening connecting rod mechanism is under the situations of the unexpected fracture of fastening piece 121 or open under other unforeseen circumstancess, front and back box body to folded box plays secondary locking and limits unexpected open effect, forming two-fold locking connects, conservative factor increases substantially, and has promoted the bonded assembly reliability and security.In order to make the connecting rod fastening mechanism can the degree of tightness appropriateness, be convenient to regulate, the sidewall of the connecting rod groove 111 of box body is provided with two degree of tightness adjustment holes 112 before the folded box, the built-in governing screw in hole, governing screw is axially advanced and retreat, can play regulating action to the degree of tightness of the connecting rod hook axle 23 in the connecting rod groove 111, regulate with the degree of tightness that realizes the connecting rod fastening mechanism.

Embodiment two:

The structural principle of this example and last example is basic identical, and difference is that in this example, the free end of movable rod is arranged to collude shape, fastens with button bit on the preceding box body; The middle part of movable rod offers a groove, and when movable rod fastening button bit, the safe limiting stopper on the box body of front and back just in time is defined in the groove, and the front and back box body of folded box can be opened suddenly because of accident.

Though the utility model discloses as above with preferred embodiment; so it is not in order to limit protection domain of the present utility model; any those skilled in the art; in the spirit and scope that do not break away from the utility model; when can doing a little change and retouching, so the protection domain of the utility model is applied for a patent the claim scope person of defining and is as the criterion when looking.For example, connecting rod hook axle can be fixedly arranged on the movable rod free end, and button bit is set to a groove with opening, and connecting rod hook axle can directly be fastened on wherein.Connecting rod hook axle also can adopt screw, passes the connecting rod groove, and is locked in the movable rod free end by nut.

Claims

1, a kind of bicycle folder, comprise folded box, described folded box comprises preceding box body (11), back box body (12) and hinge axis (13), pivot pin (14), box body (11), back box body (12) connect by hinge axis (13) before described, and described preceding box body (11), back box body (12) are realized closed and locked by described pivot pin (14); It is characterized in that: also comprise the connecting rod fastening mechanism; Preceding box body (11) lateral margin of described folded box is provided with button bit, and described pivot pin (14) is installed on described preceding box body (11); Described connecting rod fastening mechanism and described pivot pin (14) are terminal to flexibly connect, under the closed and locked state of described folded box, described connecting rod fastening mechanism one end and the locking of described button bit, to described pivot pin (14) formation one axial push application force.

2, bicycle folder as claimed in claim 1 is characterized in that: described connecting rod fastening mechanism comprises free handle (21), movable rod (22), handle movable axis (24), connecting rod movable axis (25); Described free handle (21) is connected by described handle movable axis (24) and described pivot pin (14) are terminal; Described movable rod (22) is connected with described free handle (21) by described connecting rod movable axis (25); Under the closed and locked state, the free end and the described button bit of described movable rod (22) fasten.

3, bicycle folder as claimed in claim 2, it is characterized in that: described connecting rod fastening mechanism also comprises the connecting rod hook axle (23) that is used for described movable rod (22) and the locking of described button bit, is arranged at described button bit place or is fixed in the free end of described movable rod (22).

4, bicycle folder as claimed in claim 3 is characterized in that: described button bit is made as connecting rod groove (111), and described connecting rod hook axle (23) is that part is installed in the described connecting rod groove (111) to the lock screw.

5, bicycle folder as claimed in claim 4, it is characterized in that: the sidewall of described connecting rod groove (111) offers degree of tightness adjustment hole (112), and this hole is built-in to be used for the degree of tightness that connecting rod colludes the connecting rod hook axle (23) in the groove (111) is risen the governing screw of regulating action.

6, as each described bicycle folder among the claim 2-5, it is characterized in that: described back box body (12) is positioned at box and is provided with safe limiting stopper (120) along the place, and described movable rod (22) offers gap or groove; Under the closed and locked state of described folded box, described safe limiting stopper (120) is defined in described gap or the groove by described movable rod (22).

7, bicycle folder as claimed in claim 6 is characterized in that: described movable rod (22) comprises left side arm (221), right arm (222), and the two be arranged in parallel, forms the gap between the two.