CN203142921U

CN203142921U - Bicycle folder

Info

Publication number: CN203142921U
Application number: CN 201320155584
Authority: CN
Inventors: 朱银山
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-01
Filing date: 2013-04-01
Publication date: 2013-08-21
Anticipated expiration: 2023-04-01

Abstract

The utility model relates to the field of folding bicycles, in particular to a bicycle folder. The bicycle folder comprises an upper cover, a lower cover, a locking block, an adjusting lever, a spring and an adjusting lever fastening unit. The upper cover and the lower cover are attached to form a folder body, moreover, one end of the upper cover and one end of the lower cover are hinged mutually, and a cavity is formed between the upper cover and the lower cover. The adjusting lever is arranged in the cavity in a sliding mode, moreover one end of the adjusting lever is positioned outside the upper cover and the lower cover and namely at the outer end of the adjusting lever, and the locking block is placed in the cavity and fixedly arranged on the adjusting lever. Bumps corresponding mutually are arranged in the middle of the inner wall of the upper cover and the middle of the inner wall of the lower cover, the locking block is provided with grooves corresponding to the bumps, the spring is sleeved on the adjusting lever and elastically connects the bumps and the bottoms of the grooves, and the outer end of the adjusting lever is connected with a corresponding part of the outer wall of the upper cover and a corresponding part of the outer wall of the lower cover through the adjusting lever fastening unit. Connection and separation of the grooves and the bumps on the inner wall of the upper cover and the inner wall of the lower cover, and opening and closing of the folder are controlled through an eccentric hand shank, an adjusting hand shank and the adjusting lever, and therefore the bicycle folder is simple in structure, reliable and convenient to use.

Description

A kind of bicycle folder

Technical field

The utility model relates to the Collapsible bicycle field, especially is a kind of bicycle folder.

Background technology

The folder of existing Collapsible bicycle adopts common screw rod connection mode, folding handle need be drawn back the back according to the screw rod of two connecting straps of minus thread direction rotary connection, make an end of two connecting straps throw off to realize the folder function of bicycle, use comparatively inconvenience.

Summary of the invention

The utility model purpose is the problems referred to above, and a kind of use bicycle folder comparatively easily is provided, and is specifically realized by following technical scheme.

A kind of bicycle folder, this bicycle folder comprises loam cake, lower cover, latch segment, adjust bar, spring and adjust bar fastening unit, described loam cake and lower cover applying formation folder main body and both ends are mutually hinged, on described, form cavity between the lower cover, described adjust bar slide be arranged in this cavity and an end be positioned at described on, the outside of lower cover is the outer end of adjust bar, described latch segment places in the described cavity and is fixedly installed on the adjust bar, on described, lower cover inwall middle part is provided with projection in correspondence with each other, described latch segment is provided with the groove corresponding with described projection, described spring housing is located on the described adjust bar and elasticity connects the bottom land of described projection and described groove, described adjust bar fastening unit connect adjust bar the outer end and described on, the corresponding outer wall section of lower cover.

Described bicycle folder, it further designs and is, on described, the mutually hinged end of lower cover is the pin jointed end of folder main body, the other end relative with described pin jointed end is the folding end of folder main body, described adjust bar fastening unit comprises handle set, eccentric handle, set pin, described handle set is connected with the outer wall contact of described folding end, this handle set middle part is provided with through hole and a side is provided with arc groove, one end of described eccentric handle is rotationally connected for the round nose corresponding with described arc groove and with described arc groove, this end middle part off-centre is provided with a circular hole, and described set pin places in the described circular hole rotationally; The side of eccentric handle round nose is provided with chute, and the outer end of described adjust bar is passed described through hole successively, chute is captiveed joint with described set pin.

Being connected and the folding that separates folder of the projection of the utility model by eccentric handle, regulating handle and adjust bar control groove and upper and lower cover inwall, simple and reliable for structure, the convenient use.

Description of drawings

Fig. 1 is bicycle folder partial assembly drawing of the present utility model.

Fig. 2 is the structural representation under blocking of the utility model bicycle folder.

Fig. 3 is that bicycle folder A shown in Fig. 2 is to cutaway view.

Fig. 4 is the structural representation under open mode of the utility model bicycle folder.

Fig. 5 is that bicycle folder B shown in Fig. 4 is to cutaway view.

The specific embodiment

Below in conjunction with Figure of description and specific embodiment the utility model is further specified.

This bicycle folder comprises loam cake 1, lower cover 2, latch segment 3, adjust bar 4, spring 5 and adjust bar fastening unit 6, before, back bar is respectively with last, the lower cover captive joint, loam cake 1 is mutually hinged with lower cover 2 applying formation folder main bodys 12 and both ends, on, form cavity 121 between the lower cover, lower cover 2 madial walls are provided with a plurality of holes 21 that wear, adjust bar 4 passes these and wears hole 21 and slide and be arranged in this cavity and an end is positioned at, the outside of lower cover is the outer end 41 of adjust bar, its other end is positioned at cavity, latch segment 3 places in the cavity and by screw thread and is fixedly installed on the adjust bar 4, on, lower cover inwall middle part is provided with projection 7 in correspondence with each other, on, projection 7 contacts between the lower cover are connected to form inverted V-shaped ridge 7a, latch segment is provided with the groove 31 of the V font corresponding with projection 7, when the V-arrangement projection is plugged in the groove, on, lower cover can not be separated by the restriction of latch segment 3 then; Spring 5 is sheathed on the adjust bar 4 and elasticity connects the bottom land of projection 7 and groove 31, adjust bar fastening unit 6 connects the outer end of adjust bar 4 and the corresponding outer wall section of upper and lower cover, when adjust bar 4 was not subjected to the constraint of adjust bar fastening unit, 3 of latch segments separated with projection under the effect of spring 5.

On, the mutually hinged end of lower cover is the pin jointed end 122 of folder main body 12, the other end relative with pin jointed end is the folding end 123 of folder main body, folding end 123 is formed a part plan 123a for semicircle its middle part polishes flat, adjust bar fastening unit 6 comprises handle set 61, eccentric handle 62, set pin 63, these handle set 61 middle parts are provided with through hole 611 and a side, and to be provided with arc groove 612 its another sides be plane 613, handle set 61 is connected with the part plan 123a contact of folding end 123 by its plane 613, eccentric handle 62 is the arc bent plate that adapts with the folding end, the one end is rotationally connected for the round nose 621 corresponding with arc groove on the handle set and with arc groove 612, this end is provided with a circular hole 621a at the lateral deviation heart near the eccentric handle center, and set pin 63 places in the circular hole 621a rotationally; The side of eccentric handle round nose 621 is provided with chute 621b, and the outer end 41 of adjust bar 4 is passed through hole 611, chute 621b and set pin 63 successively and captiveed joint by screw thread.

When in use, upper and lower cover is respectively at the front and rear part captive joint of bicycle middle part connection thick stick, and at this moment, the projection of the groove of latch segment and upper and lower cover inwall is in released state, and the circular hole at set pin place is in the closest approach relative with projection; Rotate eccentric handle, the circular hole at set pin place is rotated further eccentric handle from the closest approach relative with projection to solstics motion and is subjected to the restriction of folder main body folding end and can not moves until eccentric handle after turning over the solstics, adjust bar drive this moment latch segment slides towards the inverted V-shaped ridge direction in the folder main body, allow groove in the latch segment and last, projection on the lower cover inwall is fitted, on final, lower cover can not separate with the engagement limits of groove owing to projection, this moment, the front and rear part of bicycle middle part pipe link was fixedly connected on the straight line, at this moment, place the spring between groove and the projection to be squeezed to latch segment and projection generation thrust, the pulling force that set pin in the eccentric handle circular hole is passed over by adjust bar by latch segment has the trend of the round nose rotation that continues the drive eccentric handle, be limited to be rotated further and fit with the folding end outer wall of folder main body eccentric handle at this moment, eccentric handle is namely by locked under this situation, and bicycle can normally use; Oppositely pull eccentric handle, make the groove in the latch segment separate with projection on the upper and lower cover inwall, this moment, latch segment separated with projection under the effect of spring, made upper and lower cover to rotate around the pin jointed end of folder main body, and can realize the folding storage function of bicycle this moment.

The utility model is regulated the projection that the motion of latch segment in the folder main body locked and separated the upper and lower cover inwall by eccentric handle and spring, if adopt direct pull adjust bar and the mode of several pin-and-holes by the lock clasp adjust bar be set in the outer end of adjust bar and also can realize above-mentioned functions, obvious thus, other technical schemes that adopt latch segment, spring, projection and adjust bar in the utility model are all in technology enlightenment of the present utility model.

Claims

1. bicycle folder, it is characterized in that, this bicycle folder comprises loam cake, lower cover, latch segment, adjust bar, spring and adjust bar fastening unit, described loam cake and lower cover applying formation folder main body and both ends are mutually hinged, on described, form cavity between the lower cover, described adjust bar slide be arranged in this cavity and an end be positioned at described on, the outside of lower cover is the outer end of adjust bar, described latch segment places in the described cavity and is fixedly installed on the adjust bar, on described, lower cover inwall middle part is provided with projection in correspondence with each other, described latch segment is provided with the groove corresponding with described projection, described spring housing is located on the described adjust bar and elasticity connects the bottom land of described projection and described groove, described adjust bar fastening unit connect adjust bar the outer end and described on, the corresponding outer wall section of lower cover.

2. bicycle folder according to claim 1, it is characterized in that, on described, the mutually hinged end of lower cover is the pin jointed end of folder main body, the other end relative with described pin jointed end is the folding end of folder main body, described adjust bar fastening unit comprises handle set, eccentric handle, set pin, described handle set is connected with the outer wall contact of described folding end, this handle set middle part is provided with through hole and a side is provided with arc groove, one end of described eccentric handle is rotationally connected for the round nose corresponding with described arc groove and with described arc groove, this end middle part off-centre is provided with a circular hole, and described set pin places in the described circular hole rotationally; The side of eccentric handle round nose is provided with chute, and the outer end of described adjust bar is passed described through hole successively, chute is captiveed joint with described set pin.

3. bicycle folder according to claim 2, it is characterized in that, the folding end semicircular in shape of described folder main body, described eccentric handle are the arc bent plate that adapts with the folding end, and the circular hole off-centre in its round nose is arranged at the side near the eccentric handle middle part.