CN202016541U

CN202016541U - Lock catch device for folder of bicycle

Info

Publication number: CN202016541U
Application number: CN2011200633010U
Authority: CN
Inventors: 李天堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-11
Filing date: 2011-03-11
Publication date: 2011-10-26
Anticipated expiration: 2021-03-11

Abstract

The embodiment of the utility model discloses a lock catch device for a folder of a bicycle. The lock catch device for the folder of the bicycle comprises a sleeve with at least one open end, a lock cylinder inserted into the sleeve and capable of moving in the axial direction of the sleeve, a lock handle fixed onto the lock cylinder, and an elastic component; the lock cylinder comprises a connecting end inserted from the open end of the sleeve and a lock catch end positioned outside the sleeve, and an inclined plane is arranged at the lock catch end and used for being in contact with a buckle slab of the folder; and the elastic component is arranged in the sleeve, two ends of the elastic component are connected with the connecting end of the lock cylinder and the sleeve respectively, and the lock catch end of the lock cylinder extends out of the sleeve under the action of the elastic component. The lock catch device for the folder of the bicycle mainly solves the problems in the prior art that the conventional lock catch device for the folder of the bicycle has a low safety factor and inconvenience in use, and achieves the aims of improved safety factor and convenience and simplicity in use.

Description

The bicycle folder latching system

Technical field

The utility model embodiment relates to a kind of folder latching system of bicycle.

Background technology

The folder latching system that adopts on the existing bicycle, general main lock core and the cramp that comprises that mutual fastening uses, latching system is used to lock two can open the folding means that is used in combination.But, because the existence of tension force each other after the combination of two folding means, particularly running into by bike when jolting, cramp and lock core easily automatically spreading the folding means of two lockings are unclamped, safety factor is low; And need manually stir lock core and cramp to lock two folding means, use inconvenience.

The utility model content

The utility model embodiment technical matters to be solved is: a kind of folder latching system is provided, and to improve the latching system safety factor, easy to use simple and direct.

For solving the problems of the technologies described above, the utility model embodiment adopts following technical scheme: a kind of bicycle folder latching system, described latching system comprise at least one end opening sleeve, be inserted in the described sleeve and can be along the lock core of sleeve axial motion, be fixed in shank of the key and elastomeric element on the lock core; Described lock core comprises the coupling end that inserts from an end opening of sleeve and is positioned at the exterior snap close end of sleeve, and the snap close end is provided with and is used for the inclined-plane that contacts with the cramp of folder; Elastomeric element is located in the sleeve, and its two ends are connected with the coupling end and the sleeve of lock core respectively, and the snap close end of lock core stretches out from sleeve under the elastomeric element effect.

Further, have slotted eye or tapped bore on the described lock core, described shank of the key is fixed in this slotted eye or the tapped bore.

Further, described lock core and shank of the key are for being threaded or interference fit is connected.

Further, described lock core and sleeve are free-running fit.

Further, described sleeve wall is provided with slotted eye, and shank of the key passes described slotted eye and is fixed on the lock core from the side.

Further, described slotted eye is L shaped slotted eye.

Further, the inclined-plane of described snap close end is flat incline plane or awl inclined-plane.

Further, described elastomeric element is a spring.

Further, described sleeve both ends open, and described shank of the key is fixed on the coupling end of lock core and stretch out from the other end opening of sleeve.

Further, described sleeve other end opening part is provided with end cap, and end cap is provided with the through hole that passes for shank of the key, and described through hole is non-positive circular hole, and the shape of cross section and the through hole of shank of the key are complementary.

The beneficial effect of the utility model embodiment is: have the lock core on inclined-plane, the elastomeric element that is fixed on the shank of the key on the lock core and stretches automatically for lock core by a default end in the sleeve of described folder latching system, lock core carries out automatic snap close by means of elastomeric element to folder, and be difficult for loosening after the snap close, need to use shank of the key just can unclamp folder, not only improved the safety factor of latching system, and very easy to use quick.

Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.

Description of drawings

Fig. 1 is the exploded view of the utility model embodiment folder latching system.

Fig. 2 is the section-drawing of the utility model embodiment folder latching system.

Fig. 3 is the off working state figure of the utility model embodiment folder latching system.

Fig. 4 is the motion state diagram of the utility model embodiment folder latching system.

Fig. 5 is the working state figure of the utility model embodiment folder latching system.

The specific embodiment

To shown in Figure 5, the utility model embodiment provides a kind of folder latching system, comprises sleeve 1, lock core 2, shank of the key 3, elastomeric element 4 as Fig. 1.

As shown in Figure 1 and Figure 2, described sleeve 1 is provided with opening 11 at the one end at least, and sleeve 1 is provided with slotted eye 12 near the outer wall of front end, its shape such as L font, and described slotted eye 12 is used for limiting the path of motion of shank of the key 3.Described lock core 2 stretches out preset distance from the front end of sleeve 1, and the end of sleeve 1 is provided with end cap 13, and end cap 13 is terminal fastening with sleeve 1, and airtight or be limited in the sleeve 1 elastomeric element 4, present embodiment elastomeric element 4 is a spring.

Described lock core 2 comprises and is inserted in the coupling end in the sleeve 1 and is positioned at sleeve 1 exterior snap close end that described snap close end is provided with the inclined-plane.The side of lock core 2 also is provided with the screw 21 that is used to install described shank of the key 3, and the coupling end of lock core 2 has the blind hole 22 that is used for ccontaining described elastomeric element 4.In the present embodiment, the profile of lock core 2 is similar to sub warhead, and its snap close end integral body is taper, and described inclined-plane is the awl inclined-plane, is appreciated that ground, can be flat incline plane with described inclined design also.Lock core 1 inserts in the opening 11 of sleeve 1, under the normal condition, the snap close end of lock core 2 stretches out the front end end face preset distance of sleeve 1, the coupling end of lock core 2 docks with elastomeric element 4, elastomeric element 4 is placed in the blind hole of lock core 2 coupling ends, lock core 2 extruding elastomeric elements 4 are so that elastomeric element 4 produces predetermined elastic force, perhaps with elastomeric element 4 adjacency.Lock core 2 makes lock core 2 translation vertically or radially rotation in sleeve 1 by means of the slotted eye 12 of the L font on the sleeve 1, when the head of lock core 2 is subjected to axial thrust in the sleeve 1 during translation, elastomeric element 4 in its inside vertically compression sleeve 1, elastomeric element 4 can give 2 one antagonistic forces of lock core so that lock core 2 automatically replies original position after thrust is cancelled.Lock core 2 and cooperating of sleeve 1 are free-running fit to guarantee that lock core 2 is free to slide after stressed in sleeve 1.The termination of described shank of the key 3 such as spherical shape, its root are the double-screw bolts that matches with the screw 21 of described lock core 2, and shank of the key 3 inserts the screw of radially offering at lock core 2 middle parts 21 and is connected with lock core 2 screw threads for fastening.Understandably, the tapped bore 21 of described lock core 2 also can make slotted eye, and the root shape of shank of the key 3 is to making respective shapes by slotted eye at this moment, and shank of the key 3 and lock core 2 adopt interference fit to be fastenedly connected.Shank of the key 3 limits the path of motion of lock core 2 in sleeve 1 by means of the shape of described slotted eye 12.

To shown in Figure 5, the folder 5 of bicycle mainly comprises handle 51, cramp 52, bayonet socket 53, the supporting base 55 that contains strut bar 54, rotating shaft 56, attaching parts 57, rotating shaft 58 as Fig. 3.Wherein supporting base 55 is weldingly fixed on the folding means 6, the sleeve 1 of latching system is weldingly fixed on the folding means 6, described cramp 52 is as the L font, it is weldingly fixed on the handle 51, during use, holding handle 51 directions rotates, bayonet socket 53 can withstand on the strut bar 54, thereby handle 51 is constantly strained attaching parts 57 around rotating shaft 56 left-hand revolutions, thereby attaching parts 57 rotates counterclockwise around rotating shaft 58 and constantly strains folding means 7 simultaneously, when cramp 52 touches the inclined-plane of snap close end of lock core 2, cramp 52 is given the inclined-plane applied thrust of lock core 2, make lock core 2 along the elastic force effect that axially overcomes elastomeric element 4 of sleeve and indentation in sleeve 1, promptly move to the M direction, cramp 52 can continue to move downward, when the horizontal position of L font cramp strides across the snap close end of lock core 2 fully, cramp 52 is no longer to lock core 2 applied thrusts, give under the screen resilience effect of lock core 2 at elastomeric element 4, lock core 2 promptly automatically replies original position, promptly move to the N direction, make cramp 52 be in the below of lock core 2 and snap close is stopped handle 51, both promptly are locked the folding means 6 of folder and folding means 7 and can not open automatically, improved the safety factor of latching system, and convenient to use.When needs are opened folding means 6 and folding means 7, stir shank of the key 3 with hand and make lock core 2 indentation in sleeve 1, when the snap close end of shank of the key 3 is finished when withdrawing from from cramp 52, can folding means 6 be separated reverse operating cramp 52 with folding means 7, and by L shaped slotted eye 22 is set, can make and return to lock core 2 along axially promptly mobile to sleeve 1 in along of the slotted eye 22 of L font at shank of the key 3, when moving to the corner of L font, stir to a side along the turning and to make shank of the key 3 turn to the other end of the L word of slotted eye 22, make the lock core 2 can not homing by means of shank of the key 3.At this moment, upwards driving handle 51 unclamps folding means 6 and folding means 7, and is very easy to use.Understandably, described shank of the key 3 is carried out following improvement, stretch out on the coupling end of the shank of the key 3 after improve this moment ' be fixed in lock core 2 and from the end openings of sleeve 1, opening all can be established in described sleeve 1 two ends, end at sleeve 1 is furnished with end cap, offer the through hole for described shank of the key 3 ' pass on this end cap, described through hole is non-positive circular hole, shank of the key 3 ' shape of cross section and this through hole be complementary; When passing the desired location outside shank of the key 3 ' past sleeve 1, rotation shank of the key 3 ', utilize non-positive circular hole on the end cap shank of the key 3 ' be stuck on the end cap, because lock core 2 is by shank of the key 3 ' pulling, the snap close end of lock core 2 withdraws from from cramp 52, thereby reaches and use L font slotted eye 22 to carry out snap close and unclamp the identical effect of cramp 52 on the folder 5.

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

Claims

1. bicycle folder latching system is characterized in that: described latching system comprise at least one end opening sleeve, be inserted in the described sleeve and can be along the lock core of sleeve axial motion, be fixed in shank of the key and elastomeric element on the lock core; Described lock core comprises the coupling end that inserts from an end opening of sleeve and is positioned at the exterior snap close end of sleeve, and the snap close end is provided with and is used for the inclined-plane that contacts with the cramp of folder; Elastomeric element is located in the sleeve, and its two ends are connected with the coupling end and the sleeve of lock core respectively, and the snap close end of lock core stretches out from sleeve under the elastomeric element effect.

2. bicycle folder latching system as claimed in claim 1 is characterized in that: have slotted eye or tapped bore on the described lock core, described shank of the key is fixed in this slotted eye or the tapped bore.

3. bicycle folder latching system as claimed in claim 1 or 2 is characterized in that: described lock core and shank of the key are for being threaded or interference fit is connected.

4. bicycle folder latching system as claimed in claim 1 is characterized in that: described lock core and sleeve are free-running fit.

5. as claim 1 or 4 described bicycle folder latching systems, it is characterized in that: described sleeve wall is provided with slotted eye, and shank of the key passes described slotted eye and is fixed on the lock core from the side.

6. bicycle folder latching system as claimed in claim 5 is characterized in that: described slotted eye is L shaped slotted eye.

7. folder latching system as claimed in claim 1 is characterized in that: the inclined-plane of described snap close end is flat incline plane or awl inclined-plane.

8. folder latching system as claimed in claim 1 is characterized in that: described elastomeric element is a spring.

9. folder latching system as claimed in claim 1 is characterized in that: described sleeve both ends open, and described shank of the key is fixed on the coupling end of lock core and stretch out from the other end opening of sleeve.

10. folder latching system as claimed in claim 9 is characterized in that: described sleeve other end opening part is provided with end cap, and end cap is provided with the through hole that passes for shank of the key, and described through hole is non-positive circular hole, and the shape of cross section and the through hole of shank of the key are complementary.