CN102152829A

CN102152829A - Bicycle folding fastener

Info

Publication number: CN102152829A
Application number: CN2011100558508A
Authority: CN
Inventors: 李天堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2011-08-17

Abstract

The embodiment of the invention relates to a bicycle folding fastener, which is used for locking and loosening a first folding body and a second folding body respectively fixed on two pipe fittings of a bicycle and mutually hinged and matched; the bicycle folding fastener comprises handles the front ends of which are hinged with the first folding body, a blocking piece fixedly arranged on the second folding body, and a mandril component one end of which is hinged with the rear ends of the handles and the other end is provided with a groove capable of rotatably engaging and tightly pushing against the blocking piece. As a technical means of arranging the groove at one end of the mandril component capable of adjusting the distance and hinged with the handles so as to engage and tightly push against the blocking piece of the second folding body is adopted, the technical problems that a bicycle folder has a complex structure, can reduce a locking force after being used for a period of time, and is unreliably locked; therefore, the technical effects of simple structure and safe and reliable performances are achieved.

Description

The bicycle folding fastener

Technical field

The present invention relates to the sports equipment field, relate in particular to a kind of bicycle folding fastener.

Background technology

Along with development of times, folding bicycle has been subjected to liking of numerous users.Because the folding bicycle convenient in carrying, deposit and take up room for a short time, be fit to very much the user and use as traffic or body-building.

The contriver finds that there is following technical matters at least in prior art in implementing process of the present invention: at present, and common bicycle folder complex structure, and coupling mechanism force can reduce after using a period of time, and it is unreliable to lock.

Summary of the invention

Embodiment of the invention technical matters to be solved is, provides a kind of simple in structure, the bicycle folding fastener that performance is safe and reliable.

For solving the problems of the technologies described above, a kind of bicycle folding fastener is provided, be used to lock and unclamp on the two pipe fittings that is individually fixed in bicycle and first folded formation and second folded formation that be hinged and cooperate, comprise that front end is articulated in the handle of described first folded formation; Be fixedly arranged on the holding part of described second folded formation; Push rod component, the one end is articulated in described handle rear end, and the other end is provided with the groove that interlock rotationally holds out against described holding part.

Technique scheme has following beneficial effect at least: but because adopted push rod component one end that is articulated in the roll adjustment on the handle that groove is set, hold out against the technological means of the holding part that is fixedly arranged on second folded formation with interlock, so overcome the bicycle folder complex structure, and coupling mechanism force can reduce after using a period of time, lock insecure technical matters, and then reached simple in structure, the technique effect that performance is safe and reliable.

Description of drawings

Fig. 1 is the bicycle folding fastener generalized section of the embodiment of the invention.

Fig. 2 is the decomposing schematic representation of the bicycle folding fastener of the embodiment of the invention.

Fig. 3 is bicycle folding fastener first view of the embodiment of the invention.

Fig. 4 is bicycle folding fastener second view of the embodiment of the invention.

Fig. 5 is the bicycle folding fastener third state scheme drawing of the embodiment of the invention.

The specific embodiment

Please refer to Fig. 1 ~ Fig. 2, the bicycle folding fastener of the embodiment of the invention, be used to lock and unclamp first folded formation 60 and second folded formation 70 that is individually fixed on the corresponding pipe fitting 80,90 and is hinged and cooperates, comprise handle 10, holding part 20 and push rod component 30.

The front end of handle 10 is articulated in first folded formation 60, and handle 10 rear ends are provided with through hole.

Holding part 20 is fixedly arranged on described second folded formation 70, comprises base 21 and axostylus axostyle 23.

Base 21 is fixedly arranged on described second folded formation 70 by welding or the fixing mode of screw, roughly is the U type, and cooresponding two side is respectively equipped with the through hole on same axial line, and axostylus axostyle 23 is contained in described two through hole.

Described push rod component 30 comprises front stall 31, back seat 32 and adjusting screw(rod) 33.

Adjusting screw(rod) 33 two ends are respectively equipped with the opposite screw thread of hand of spiral, and for example first end is the cw spiral, and second end is the conter clockwise spiral.

Front stall 31 1 ends are provided with the groove 310 of the described holding part 20 of interlock rotationally, and groove 310 axial sections are semicircular in shape roughly, and the other end is axially arranged with screw perpendicular to described groove 310, and this screw is promptly realized being threaded with the screw thread of adjusting screw(rod) 33 first ends.

Back seat 32 1 ends are provided with the through hole that is used for hinged described handle 10 rear ends, and the other end is along being provided with screw perpendicular to described through hole direction, and the screw of back seat 32 is promptly realized being threaded with the screw thread of adjusting screw(rod) 33 second ends.

Because the hand of spiral of the screw thread at adjusting screw(rod) 33 two ends is opposite, after front stall 31 and back seat 32 are screwed together in the two ends of adjusting screw(rod) 33 respectively,, can play the effect of adjusting front stall 31 and back seat 32 spacings by rotating described adjusting screw(rod) 33.Thereby can in use regulate as required, to avoid because friction in the use and the loosening phenomenon that causes of other factors make push rod component 30 hold out against holding part 20 all the time.

Described push rod component 30 also comprises first governing screw 34, elastic component 35, second governing screw 36 and hinge 37.

First governing screw 34 is screwed together in the screw of described front stall 31 other end correspondences perpendicular to push rod component 30, and is butted on the handle 10.

Elastic component 35 is a heterotypic spring, and the one end is fixed in first governing screw, 34 1 ends, rotates synchronously in first governing screw, 34 rotary courses and can not slide.Elastic component 35 two ends elasticity respectively are connected on front stall 31 and the described handle 10.Please be corresponding with reference to figure 3 ~ Fig. 4, by up-down adjustment first governing screw 34, just the size of the included angle A between may command push rod component 30 and the body 90 corresponding contact surfaces that second folded formation 70 is fixed makes the locking of first folded formation 60 and second folded formation 70 more fastening reliable.

Second governing screw 36 is screwed together in the screw of described back seat 32 other end correspondences perpendicular to push rod component 30, in order to regulate angle between described back seat 32 and the described handle 10.

Hinge 37 passes described back seat 32 through holes of vertical connection in described second governing screw, 36 corresponding screws, the middle part is provided with the recess 370 that is complementary with described second governing screw 36, thereby it is described second governing screw 36 is fixing, prevent from motion process, to prevent that hinge 37 from skidding off handle 10, and then, please be corresponding with reference to figure 5, handle 10 passes through hinge 37 twisting mutually with push rod component 20 rear ends, by up-down adjustment second governing screw 36, can adjust the size of the included angle B between push rod component 30 and the handle, the power that can make push rod component 30 hold out against holding part 20 reaches the angle of fiting most.

To sum up, push rod component 30 1 ends are articulated in described handle 10 rear ends, by operating handle 10, make push rod component 30 other ends hold out against described holding part 20 by breaking away from interlock rotationally, just realized to first folded formation 60 and second folded formation 70 by unclamp locking control.But described bicycle folding fastener is because adopted push rod component 30 1 ends that are articulated in the roll adjustment on the handle 10 that groove 310 is set, hold out against the technological means of the holding part 20 that is fixedly arranged on second folded formation 70 with interlock, so overcome the bicycle folder complex structure, and coupling mechanism force can reduce after using a period of time, lock insecure technical matters, and then reached simple in structure, performance safe and reliable technique effect.

The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.

Claims

1. bicycle folding fastener is used to lock and unclamps on the two pipe fittings that is individually fixed in bicycle and first folded formation and second folded formation that be hinged and cooperate, it is characterized in that, comprising:

Front end is articulated in the handle of described first folded formation;

Be fixedly arranged on the holding part of described second folded formation;

Push rod component, the one end is articulated in described handle rear end, and the other end is provided with the groove that interlock rotationally holds out against described holding part.

2. bicycle folding fastener as claimed in claim 1 is characterized in that, described holding part comprises the base that is fixedly arranged on described second folded formation, is contained in described base plate through holes and adapts to the axostylus axostyle of interlock with described groove.

3. bicycle folding fastener as claimed in claim 1 is characterized in that, described push rod component comprises: adjusting screw(rod), its two ends are respectively equipped with the opposite screw thread of hand of spiral;

Front stall, an end is provided with described groove, and the screw thread of the other end and described adjusting screw(rod) first end screws togather; And

Back seat, an end is articulated in described handle rear end by means of hinge, and the screw thread of the other end and described adjusting screw(rod) second end screws togather.

4. bicycle folding fastener as claimed in claim 3 is characterized in that, described push rod component also comprises and is screwed together on the described front stall and is butted on first governing screw on the described handle.

5. bicycle folding fastener as claimed in claim 4 is characterized in that, described push rod component also comprise two ends respectively elasticity be connected on described front stall and the described handle and the elastic component that links to each other with described first governing screw.

6. as claim 3 or 4 described bicycle folding fasteners, it is characterized in that described push rod component also comprises and is screwed together in described back seat to regulate second governing screw of angle between described back seat and the described handle.

7. bicycle folding fastener as claimed in claim 6 is characterized in that, described hinge is provided with the recess that is complementary with described second governing screw.