CN2887730Y - Bicycle folding mechanism of folding bicycle - Google Patents
Bicycle folding mechanism of folding bicycle Download PDFInfo
- Publication number
- CN2887730Y CN2887730Y CN 200620013299 CN200620013299U CN2887730Y CN 2887730 Y CN2887730 Y CN 2887730Y CN 200620013299 CN200620013299 CN 200620013299 CN 200620013299 U CN200620013299 U CN 200620013299U CN 2887730 Y CN2887730 Y CN 2887730Y
- Authority
- CN
- China
- Prior art keywords
- lock pin
- connecting base
- fold mechanism
- fin
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model relates to a foldaway element of foldaway bicycle, which comprises an upper connecting seat with a first hinge-type hole, a lower connecting seat with a second hinge-type hole, a hinging axis going through the first hinge-type hole and the second hinge-type hole and orientating components. A first protruding rib with lockhole is provided on the upper connecting seat, and a protruding block is arranged at one side of the lower connecting seat. The second hinge-type hole is arranged on the protruding block and deviates from the central axis of the block. One yielding hole is arranged on the profile of the protruding block. The orientating components contain a lockpin, a snap ring arranged at the front of the lockpin and a press spring positioned at the front of the lockpin and between the snap ring and a first protruding rib. The lockpin which is inserted into the lockhole, can complete locking when inserted into the front of the yielding hole. As the second hinge-type hole deviates from the central axis of the protruding block and forms a cam unit, when locking is needed, only the upper and the lower connecting seats are needed to be shut, and the folded element will be locked automatically. As the opening of the lockpin needs to conquer the force of the press spring, the lockpin will not withdraw due to bumping, therefore, the utility model has a good safety property.
Description
[technical field]
The utility model relates to a kind of folding bicycle, is meant a kind of fold mechanism of folding bicycle especially.
[background technology]
At present, the fold mechanism that existing folding bicycle adopted is generally realized its fixed function by a pair of Connection Block that is hinged.The structure of fixed connecting base has multiple, but mostly control step is comparatively cumbersome, uses extremely inconvenience, and there is potential safety hazard in the latching device that has, unclamps easily when being subjected to external impacts, and the cyclist is caused danger.
[utility model content]
Technical problem to be solved in the utility model is: a kind of fold mechanism of folding bicycle is provided, and it is simple in structure, and is easy to operate and latching device is firm.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of fold mechanism of folding bicycle is provided, comprises the upper connecting base, the lower connecting base that is provided with second hinge hole that are provided with first hinge hole, be arranged in jointed shaft and positioning component in first hinge hole and second hinge hole.Also be provided with first fin on the upper connecting base with lockhole; Lower connecting base one side is provided with a projection, and described second hinge hole promptly is located on the projection and is departed from the center shaft of projection, also is provided with a resigning hole in the projection side; Described positioning component comprises lock pin, be arranged in the snap ring of lock pin leading section and be sheathed on the anterior and stage clip between the snap ring and first fin of lock pin, and described lock pin is inserted in the lockhole and its front end can correspondingly insert in the resigning hole and lock.
By adopting technique scheme, the utlity model has following beneficial effect: because second hinge hole of lower connecting base departs from the center shaft of projection, and make projection constitute a cam mechanism, at upper connecting base when lower connecting base closes up, projection just touches lock pin, the resistance that makes lock pin overcome stage clip moves along the axis outward direction, stage clip is compressed, when last, when lower connecting base is brought together into to a certain degree, the front end of lock pin just can move to the resigning hole position, drive lock pin and insert in the resigning hole this moment under action of the spring, and make upper connecting base, lower connecting base locks together securely.When fold mechanism is in locking condition, the user only need overcome spring force lock pin is outwards pulled out in resigning hole fully, get final product the Unscrew fold mechanism, easy to operate, simple structure, owing to open the elastic force that lock pin need overcome stage clip, the lock pin that inserts in the resigning hole can not withdraw from because of jolting, and safety is good.
Below in conjunction with accompanying drawing the utility model is described in further detail.
[description of drawings]
Fig. 1 is the exploded drawings of the fold mechanism of the utility model folding bicycle.
Fig. 2 is the assembly drawing of the fold mechanism open mode of the utility model folding bicycle.
Fig. 3 is that the fold mechanism of the utility model folding bicycle is implemented locking process scheme drawing.
Fig. 4 is the section-drawing of the fold mechanism locking condition of the utility model folding bicycle.
Fig. 5 is that the fold mechanism of the utility model folding bicycle is implemented the opening operation scheme drawing.
[specific embodiment]
As shown in Figures 1 to 4, the utility model provides a kind of fold mechanism of folding bicycle, comprises upper connecting base 1, lower connecting base 2, is used for the jointed shaft 3 and the positioning component of hinged upper connecting base 1 and lower connecting base 2.
Wherein, described upper connecting base 1 one sides convex with a pair of lug 10 at a distance of certain distance, and two lugs 10 are provided with corresponding first hinge hole 101.Also be provided with first fin 12, second fin 14 of pair of parallel on the upper connecting base 1 in a side of two lugs 10, on first fin 12, be provided with the lockhole 122 that is the tapering shape away from lug 10, and be provided with a knock hole 142 near on second fin 14 of lug, and lockhole 122 is on the same axis with knock hole 142.
And lower connecting base 2 is provided with a projection 20 in corresponding side, described projection 20 just can be placed between two lugs 10 of upper connecting base 1, and also be provided with on the projection 20 with lug 10 on first hinge hole, 101 corresponding second hinge holes 201, projection 20 sides also offer a resigning hole 202, described projection outside face is convex globoidal, and second hinge hole 201 departs from projection 20 center shafts, makes projection 20 constitute a cam mechanism.Also be provided with a fixture block 22 in projection 20 1 sides on the lower connecting base 2, its can corresponding inlay card between first fin 12 of upper connecting base 1, second fin 14, and on fixture block 22, offer a slotted eye 222 coaxial with resigning hole 202, the slotted eye wall at described slotted eye 222 notch places is outwards gradually opens shape to play guiding function, and slotted eye 222 in-to-in slotted eye walls are the tapering shape, and tapering is corresponding with the tapering of the lockhole 122 of upper connecting base 1.
Described jointed shaft 3 correspondences are installed in first hinge hole 101, second hinge hole 201 is interior and upper connecting base 1 and lower connecting base 2 is hinged.
Described positioning component comprises and is arranged in lockhole 122 and the knock hole 142 and axially displaceable lock pins 4, the surface of lock pin 4 is the tapering shape, and tapering is corresponding with the tapering of lockhole 122, slotted eye 222, so that lock pin 4 can better cooperate with lockhole 122, slotted eye 222; Also offer an annular slot 401 at lock pin 4 front end positions; anterior suit one spring 5 (being a stage clip in the present embodiment) at lock pin 4; and be fastened on annular slot 401 places of lock pin 4 with a snap ring 6; and spring 5 is limited between second fin 14 of snap ring 6 and upper connecting base 1; and lock pin 4 is installed in the lockhole 122 and knock hole 142 of upper connecting base 1; simultaneously; lock pin 4 also can be set with a plastic jacket 7 foremost for inconsistent with projection 20; mainly play a protective role, avoid lock pin 4 surface tear and wearing and tearing fast with projection 20 direct contacts.
Design-calculated fold mechanism like this, because of the projection 20 of lower connecting base 2 is designed to a cam mechanism, therefore when locking fold mechanism, as shown in Figure 3, upper connecting base 1 is rotated when lower connecting base 2 closes up along the A direction, the projection 20 of lower connecting base 2 just touches the plastic jacket 7 of device on the lock pin 4, thereby the resistance edge B direction outwardly that makes lock pin 4 overcome spring 5 moves toward the outside of fold mechanism, make spring 5 compressions simultaneously, when upper connecting base 1 and lower connecting base 2 are brought together into to a certain degree, lock pin 4 just can be on slotted eye 222 the notch place outwards gradually hold under the slotted eye wall guided of shape and snap in the slotted eye 222, and when upper connecting base 1 and lower connecting base 2 close up fully, lock pin 4 is promptly finished and is snapped in the slotted eye 222, and owing to offer resigning hole 202 on the projection 20 of lower connecting base 2, therefore, this moment projection 20 plastic jacket 7 of no longer conflicting, spring 5 effects this moment, drive lock pin 4 under the effect of spring force axially in the slotted eye 222 of the lockhole 122 of upper connecting base 1 and lower connecting base 2 along sliding towards the C of resigning hole 202 direction and making in the lock pin 4 front ends insertion resigning hole 202, corresponding with the tapering of lock pin 4 because of the tapering of the slotted eye 222 of last seat 1 lockhole 122 in succession and lower connecting base 2, so upper connecting base 1 and lower connecting base 2 just can be locked together securely by lock pin 4.
From the above, and as can be seen in conjunction with Fig. 3, Fig. 5, in the time will locking fold mechanism, the user only need close up upper connecting base 1 and lower connecting base 2, fold mechanism just can auto lock, and in the time will opening fold mechanism, the elastic pressure that only need overcome spring 5 outwards pulls out it lock pin 4 along B direction outwardly fully from resigning hole 202, can be again along A ' the direction Unscrew fold mechanism opposite with the A direction, it is extremely convenient to operate.
Above-mentioned embodiment only is a preferred implementation of the present utility model, the utility model can also have some other variation, for example: second fin 14 can save, correspondingly the fixture block 22 with lower connecting base also saves, and spring 5 directly is pressed on first fin 12, because lockhole 122 equally also has guiding and positioning action, lock pin 4 can't depart from, thereby can reach the locking purpose equally.
Claims (9)
1, a kind of fold mechanism of folding bicycle, comprise the upper connecting base, the lower connecting base that is provided with second hinge hole that are provided with first hinge hole, be arranged in jointed shaft and positioning component in first hinge hole and second hinge hole, it is characterized in that: also be provided with first fin on the upper connecting base with lockhole; Lower connecting base one side is provided with a projection, and described second hinge hole promptly is located on the projection and is departed from the center shaft of projection, also is provided with a resigning hole in the projection side; Described positioning component comprises lock pin, be arranged in the snap ring of lock pin leading section and be sheathed on the anterior and stage clip between the snap ring and first fin of lock pin, and described lock pin is inserted in the lockhole and its front end can correspondingly insert in the resigning hole and lock.
2, the fold mechanism of folding bicycle as claimed in claim 1 is characterized in that: the surface of lock pin is the tapering shape, and the lockhole of upper connecting base also is the tapering shape, and corresponding with the tapering of lock pin.
3, the fold mechanism of folding bicycle as claimed in claim 1, it is characterized in that: also be provided with one second fin between described first fin and first hinge hole, offer on described second fin one with the knock hole of lockhole coaxial line, lock pin passes knock hole after passing lockhole again, and the two ends of stage clip are pressed on the snap ring and second fin.
4, the fold mechanism of folding bicycle as claimed in claim 3, it is characterized in that: described lower connecting base is provided with one can the corresponding fixture block that inserts between first fin and second fin, offer and the slotted eye that can for lock pin snap in coaxial with resigning hole on the fixture block, the in-to-in slotted eye wall of slotted eye and the surface configuration of lock pin are complementary.
5, the fold mechanism of folding bicycle as claimed in claim 4 is characterized in that: the slotted eye wall at the notch place of slotted eye is outwards gradually opens shape.
6, the fold mechanism of folding bicycle as claimed in claim 5 is characterized in that: described lock pin surface is the tapering shape, and slotted eye in-to-in slotted eye wall also is the tapering shape and adapts with the tapering of lock pin.
7, the fold mechanism of folding bicycle as claimed in claim 1 is characterized in that: the leading section of lock pin is provided with an annular slot, and described snap ring is arranged in the described annular slot.
8, the fold mechanism of folding bicycle as claimed in claim 1 is characterized in that: lock pin be set with a plastic jacket that connects with projection foremost.
9, as the fold mechanism of claim 1 or 3 described folding bicycles, it is characterized in that: a side of described upper connecting base is provided with a pair of lug, and described first hinge hole promptly is located on two lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013299 CN2887730Y (en) | 2006-03-29 | 2006-03-29 | Bicycle folding mechanism of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013299 CN2887730Y (en) | 2006-03-29 | 2006-03-29 | Bicycle folding mechanism of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2887730Y true CN2887730Y (en) | 2007-04-11 |
Family
ID=38046304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620013299 Expired - Fee Related CN2887730Y (en) | 2006-03-29 | 2006-03-29 | Bicycle folding mechanism of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2887730Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336241A (en) * | 2011-08-05 | 2012-02-01 | 杭州萧山钱鸿交通器材有限公司 | Frame folding mechanism and children's tricycle using same |
| CN103569286A (en) * | 2012-07-27 | 2014-02-12 | 戴卡特隆有限公司 | Locking mechanism for folding bicycle handlebar |
| CN107031815A (en) * | 2015-12-25 | 2017-08-11 | 北京臻迪机器人有限公司 | Unmanned plane horn locking tripper and unmanned plane |
-
2006
- 2006-03-29 CN CN 200620013299 patent/CN2887730Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336241A (en) * | 2011-08-05 | 2012-02-01 | 杭州萧山钱鸿交通器材有限公司 | Frame folding mechanism and children's tricycle using same |
| CN103569286A (en) * | 2012-07-27 | 2014-02-12 | 戴卡特隆有限公司 | Locking mechanism for folding bicycle handlebar |
| CN107031815A (en) * | 2015-12-25 | 2017-08-11 | 北京臻迪机器人有限公司 | Unmanned plane horn locking tripper and unmanned plane |
| CN107031815B (en) * | 2015-12-25 | 2021-01-29 | 北京臻迪机器人有限公司 | Unmanned aerial vehicle horn locking unlocking device and unmanned aerial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101930781B (en) | Hard disk bracket | |
| CN201656162U (en) | Fixing frame for connector | |
| CN101950581B (en) | Hard disk bracket | |
| CN2887730Y (en) | Bicycle folding mechanism of folding bicycle | |
| CN106654724B (en) | Secondary locking mechanism and its plug end locking mechanism and socket end locking mechanism | |
| CN101763150B (en) | Opening device for input / output module | |
| CN201422215Y (en) | Flipping device | |
| CN203776571U (en) | Button-including page-shifting dual-layer water cup | |
| CN201448322U (en) | Furniture connecting shifting fastener | |
| DE102012105673B4 (en) | Trunk light | |
| US20030027450A1 (en) | Plug type connector | |
| CN206220707U (en) | Door holder | |
| CN212773991U (en) | Portable door lock structure | |
| CN101818598B (en) | Multi-point tight locking device | |
| CN204885748U (en) | Electromagnetic relay socket | |
| CN111347851A (en) | Automobile skylight mechanical assembly | |
| CN205443500U (en) | Electroplate and press from both sides | |
| CN214754360U (en) | Double-screen folding and inserting device | |
| CN204998676U (en) | Folding locking device of automation of installation electric bicycle seat | |
| CN113682256B (en) | Radar cover plate with adjustable disassembly mode and vehicle | |
| CN219584066U (en) | Vehicle knee backplate and vehicle | |
| CN212010803U (en) | Locking type switch | |
| CN217100320U (en) | Novel internal clamping type self-locking mechanism | |
| CN215485370U (en) | Assembly of door opening component and trim and door | |
| CN212637184U (en) | Charging port assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 |