CN100556746C - Folding device - Google Patents
Folding device Download PDFInfo
- Publication number
- CN100556746C CN100556746C CNB2007101648187A CN200710164818A CN100556746C CN 100556746 C CN100556746 C CN 100556746C CN B2007101648187 A CNB2007101648187 A CN B2007101648187A CN 200710164818 A CN200710164818 A CN 200710164818A CN 100556746 C CN100556746 C CN 100556746C
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- hollow shaft
- latch
- guide pipe
- shaft sleeve
- folding device
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Abstract
The invention discloses a kind of folding device that is used for folded bicycles such as folding bicycle, it comprises side arm (1) and after-frame (2), it also comprises hollow shaft sleeve (3) and the rotatable hollow shaft (5) that is engaged in the hollow shaft sleeve (3), hollow shaft sleeve (3) is connected with after-frame (2) or side arm (1), the two ends of hollow shaft (5) are connected with side arm (1) or after-frame (2), are provided with the blocking device of the relative circumferential position between lockable or release hollow shaft (5) and the hollow shaft sleeve (3) in hollow shaft (5) and on the hollow shaft sleeve (3).This folding device structure is simple, folding and expansion process speed is quick, simple to operate, the highly versatile in folded bicycle.
Description
Technical field
The present invention relates to a kind of folded bicycle device that is used for folded bicycles such as folding bicycle, folding mini-motorcycle or folding Kickboard Scooter.
Background technology
Along with soaring of global energy price and increasing the weight of of environmental pollution, the car of energy-saving and environmental protection, body-building is more and more paid attention to by people, more and more is subjected to more people's welcome in recent years various folded bicycles that people's body-building and trip bring convenience such as folding bicycle, folding mini-motorcycle, folding Kickboard Scooter etc.It also has a bit sorry when bringing convenience to people's trip, because the folding device ubiquity folding operation of existing folded bicycle is not too convenient, the slower shortcoming of folding rate.For example Granted publication number is that CN 2712782 and Granted publication number are the fold mechanism shown in the utility model of CN 2686994Y, because it all needs the hinge that slides when folding and expansion, and all have the quick detach catch gear on the hinge, this structure slightly complicated, increased control step, make folding device folding when launching speed slow (approximately needing for 3 to 5 seconds), it is not too convenient to operate, and the commonality of particularly above folding device in folded bicycles such as folding bicycle, folding mini-motorcycle or folding Kickboard Scooter is not strong.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the shortcoming of above prior art, provides a kind of simple in structure, folding and expansion process speed is quick, easy to operate, the folding device of the highly versatile in folded bicycle.
Technical scheme of the present invention is, a kind of folding device with following structure is provided, it comprises side arm and after-frame, it also comprises hollow shaft sleeve and the rotatable hollow shaft that is engaged in the hollow shaft sleeve, hollow shaft sleeve is connected with in after-frame or the side arm another, the two ends of hollow shaft are connected with side arm or after-frame, are provided with the blocking device of the relative circumferential position between lockable or release hollow shaft and the hollow shaft sleeve in hollow shaft and on the hollow shaft sleeve; The described blocking device that is provided with lockable or release hollow shaft and hollow shaft sleeve the relative circumferential position in hollow shaft and on the hollow shaft sleeve refers to, be provided with the first latch guide pipe fixed orifice in a hollow shaft side radially, be provided with the second latch guide pipe fixed orifice at hollow shaft opposite side radially, the latch guide pipe runs through the first latch guide pipe fixed orifice and the second latch guide pipe fixed orifice is located in the hollow shaft, be provided with first slotted hole in a latch guide pipe side radially, be provided with second slotted hole at latch guide pipe opposite side radially, total length is not more than first latch of latch guide pipe length and the second latch sliding fit in the latch guide pipe, on first latch, be provided with the first oblique chute, on second latch, be provided with the second oblique chute, a radially side of hollow shaft sleeve is provided with first pin hole that inserts for first latch, the radially opposite side of hollow shaft sleeve is provided with second pin hole that inserts for second latch, also is provided with the bolt driving device on hollow shaft.
After adopting above structure, folding device of the present invention is compared with above-mentioned prior art, has following remarkable advantage and beneficial effect:
Folding device of the present invention, it is simple in structure: cooperates with front and back frame bonded assembly hollow shaft and hollow shaft sleeve are rotatable, blocking device locks or discharges both the relative circumferential position.Folding quick and simple to operate: as long as just unclamp the collapsible front and back of blocking device frame with expansion process speed, launch then as long as reversing sense is pulled side arm and can be automatically locked, folding or duration of run is all in moment (as 1 second), its folding all about 3 to 5 times faster than prior art with speed of launching, for folding and the speed and the convenient function that launch that improve car load have been established the good technical basis.Folding device particularly of the present invention is not subjected to the folded bicycle influences of particularity separately such as folding bicycle, folding mini-motorcycle or folding Kickboard Scooter, and the commonality in folded bicycles such as folding bicycle, folding mini-motorcycle or folding Kickboard Scooter is very strong.
Description of drawings
Fig. 1 is that folding device embodiment of the present invention 1 faces structural representation when launching.
Fig. 2 is the three-dimensional structure scheme drawing of folding device embodiment of the present invention 1 when launching.
Fig. 3 is package assembly (blast) scheme drawing of folding device embodiment 1 of the present invention.
Fig. 4 is the sectional structure scheme drawing of folding device embodiment 1 of the present invention when the i.e. front and back frame expansion of locking.
Fig. 5 is the sectional structure scheme drawing of folding device embodiment 1 of the present invention at released state.
Fig. 6 is that folding device embodiment of the present invention 1 faces structural representation when folding.
Fig. 7 is the structural representation of folding device embodiment 2 of the present invention.
Fig. 8 is the package assembly scheme drawing of folding device embodiment 2 of the present invention.
Fig. 9 is the sectional structure scheme drawing of folding device embodiment 2 of the present invention when the i.e. front and back frame expansion of locking.
Figure 10 is the sectional structure scheme drawing of folding device embodiment 2 of the present invention at released state.
Figure 11 is the structural representation of folding device embodiment 2 of the present invention at folded state.
Shown in the figure 1, side arm, 2, after-frame, 3, hollow shaft sleeve, 4A, pin hole, 4B, pin hole, 5, hollow shaft, 6A, latch guide pipe fixed orifice, 6B, latch guide pipe fixed orifice, 7, the latch guide pipe, 8A, latch, 8B, latch, 9A, oblique chute, 9B, oblique chute, 10A, axial long hole, 10B, axial long hole, 11A, the inclined-plane slide rail, 11B, the inclined-plane slide rail, 12, slide bar, 13, the jump ring groove, 14, spring perch, 15, pilot hole, 16, spring, 17, jump ring, 18, end cap, 19, pilot hole, 20, jump ring, 201, the jump ring groove, 21, button, 22, end cap, 23, jump ring, 231, the jump ring groove, 24, pin hole, 25, the latch guide pipe, 26, clothes-hook, 27, latch, 28, the latch handle, 29, circular groove, 30, extension spring, 31, long lumbar hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments folding device of the present invention is described in further detail.
Embodiment 1:
As Fig. 1～shown in Figure 5, present embodiment is described to be that described latch guide pipe is located in the described hollow shaft, described pin hole is located at a kind of folding device on the described hollow shaft sleeve, it comprises side arm 1 and after-frame 2, side arm described in the present embodiment 1 and after-frame 2 all refer to the folding stand of hollow cuboid, and the leading portion of described after-frame 2 is a bow.
Characteristics of the present invention are, it also comprises hollow shaft sleeve 3 and rotatablely be engaged in the hollow shaft sleeve 3 and hollow shaft 5 hollow shaft sleeve 3 two ends outside is stretched out at two ends that the arcs of recesses of the front end face of the external peripheral surface of hollow shaft sleeve 3 or two ends and after-frame 2 welds; The arcs of recesses welding of the rear end of the two side of the two ends of hollow shaft 5 and side arm 1.And leave the gap between the external peripheral surface of side arm 1 and hollow shaft sleeve 3.Be provided with the blocking device of the relative circumferential position between lockable or release hollow shaft 5 and the hollow shaft sleeve 3 in hollow shaft 5 and on the hollow shaft sleeve 3.
Referring to Fig. 3, Fig. 4, shown in Figure 5, the described blocking device that is provided with lockable or release hollow shaft 5 and hollow shaft sleeve 3 the relative circumferential position in hollow shaft 5 and on the hollow shaft sleeve 3 refers to, be respectively equipped with latch guide pipe fixed orifice 6A and latch guide pipe fixed orifice 6B in hollow shaft 5 both sides radially, latch guide pipe 7 runs through latch guide pipe fixed orifice 6A and latch guide pipe fixed orifice 6B and is located in the hollow shaft 5.Be respectively equipped with axial long hole 10A and axial long hole 10B in latch guide pipe 7 both sides radially, total length is not more than two latch 8A of latch guide pipe 7 length and 8B sliding fit in latch guide pipe 7.Be respectively equipped with oblique chute 9A and 9B on latch 8A and 8B, the radially both sides of hollow shaft sleeve 3 are respectively equipped with pin hole 4A and the pin hole 4B for described latch 8A and latch 8B insertion.Also be provided with the bolt driving device on hollow shaft 5, described bolt driving device is made up of Y font bolt driving part and the spring perch 14, spring 16, jump ring 17, end cap 18 and the button 21 that match with Y font bolt driving part.Described Y font bolt driving part is made up of with two inclined-plane slide rail 11A, 11B being fixed on its end and be in the shape of the letter V in-line slide bar 12.Described two inclined-plane slide rail 11A that are in the shape of the letter V mutually and 11B pass two axial long hole 10A and 10B on the latch guide pipe 7, respectively in the oblique chute 9A and oblique chute 9B of sliding fit on being located at latch 8A and latch 8B.The axial line of described slide bar 12 overlaps with the axial line of hollow shaft 5, and the free end of slide bar 12 stretches out outside the port of hollow shaft 5.Axial middle part at described slide bar 12 is provided with jump ring groove 13, described slide bar 12 is begun by its free end, run through the pilot hole 15 that is located on the bowl-shape spring perch 14 successively, spring 16, jump ring 17, be located at the pilot hole 19 on the end cap 18, wherein jump ring 17 is in the jump ring groove 13 that is fastened on the slide bar 12, the rim of a bowl edge of bowl-shape spring perch 14 is provided with the seam that turns up, fit in the edge of described seam that turns up and end cap 18, and together cover on the seam in hollow shaft 5 ports, be stuck in the jump ring groove of being located in hollow shaft 5 ports 201 by jump ring 20 again, this moment, spring block piece 14 and end cap 18 were fixed in the hollow shaft 5, and the two ends of described spring 16 are against respectively on the bowl inner bottom part and jump ring 17 of bowl-shape spring perch 14.
The free end end face of described slide bar 12 is provided with a screw, is rotary with a button 21 on the screw.
The port inner wall of the other end of described hollow shaft 5 (hollow shaft 5 is provided with the other end of end cap 18) is provided with seam, end cap 22 covers on this seam, on the inwall of this port of hollow shaft 5, be provided with jump ring groove 231, jump ring 23 cards within it, so that end cap 22 is fixed in the port of hollow shaft 5.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, when described folding device is in deployed condition, latch guide pipe 7 openings at two ends are concentric relative respectively with 4B with two pin hole 4A on being located at described hollow shaft sleeve 3, two latch 8A in the described latch guide pipe 7 and 8B are inserted in respectively in two the pin hole 4A and 4B on the described hollow shaft sleeve 3, can not mutually circumferentially reverse between described hollow shaft 5 and the described hollow shaft sleeve 3 this moment, is in the lock state between promptly described side arm 1 and the described after-frame 2 and can not folds.
Referring to Fig. 5, Fig. 6, when described folding device need fold, only need press described button 21, will drive described slide bar 12 slides along pilot hole 19 on the described end cap 18 and the pilot hole on the described spring perch 14 15, jump ring 17 on the described slide bar 12 will promote described spring 16, described spring 16 is compressed at described jump ring 17 and 14 of described spring perches, and the vee shape branch that is fixed on described slide bar 12 the inners simultaneously is that two inclined-plane slide rail 11A and the 11B that (mutually) is in the shape of the letter V slides along oblique chute 9A on described two latch 8A and the 8B and 9B.Along with described two inclined-plane slide rail 11A and 11B the narrowing gradually of position that contact with described two oblique chute 9A and 9B, two latch 8A in the described latch guide pipe 7 and 8B can slide in the middle of described latch guide pipe 7 and draw close, and promptly described two latch 8A and 8B extract out from being located in two pin hole 4A on the described hollow shaft sleeve 3 and the 4B respectively.This moment, described hollow shaft sleeve 3 lost the latch 8A that is located on the described hollow shaft 5 and the restriction of 8B, can circumferentially reverse mutually between described hollow shaft 5 and the described hollow shaft sleeve 3, can fold mutually between promptly described side arm 1 and the described after-frame 2.After in folding process, decontroling described button 21, under the thrust of described spring 16, through jump ring 17, slide bar 12, two inclined-plane slide rail 11A that are in the shape of the letter V and 11B, oblique chute 9A, 9B, power passes to latch 8A and 8B the most at last, make and produced separated power between latch 8A and 8B, be to have produced the power of sliding to two ends respectively along described latch guide pipe 7 between described latch 8A and 8B, the end face of described two latch 8A and 8B will withstand on the inwall of described hollow shaft sleeve 3.In the process that folding device folds, promptly in the process of circumferentially reversing mutually between hollow shaft 5 and the hollow shaft sleeve 3, the end face of described two latch 8A and 8B slides on the inwall of described hollow shaft sleeve 3.When folding device is folding put in place after, the end face of described two latch 8A and 8B stops in the hollow shaft sleeve 3 and slides, this moment, the folding device of folded bicycle was in folded state.If also be provided with two lucky relative pin holes of the end face with latch 8A and 8B this moment on hollow shaft sleeve 3, latch 8A and 8B will insert two pin holes on the other side automatically, and folding device enters folding lock-out state.When the folding device that is in folding lock-out state need launch, need press and to launch after described button 21 makes the folding device release of folded bicycle.
When folding device is in folded state, if do not establish the pin hole (present embodiment do not establish) relative on the hollow shaft sleeve 3 with the end face of latch 8A and 8B, folding device then need not to press button 21 upon deployment again, directly launch just passable, when folding device is deployed into the end face of latch 8A and latch 8B when relative with 4B with pin hole 4A on the hollow shaft sleeve 3, latch 4A and 4B lose stopping of hollow shaft sleeve 3 inwalls, under the promotion of spring 16, jump ring 17 drives slide bar 12 and slides to button 21 directions along pilot hole 19 and pilot hole 15, the inclined-plane slide rail 11A and the 11B that fix with slide bar 12 then slide along oblique chute 9A and 9B respectively, along with widening of the distance between inclined-plane slide rail 11A and slide bar 11B and oblique chute 9A and 9B contact site, latch 8A and 8B are pushed to the two ends of latch guide pipe 7 respectively and are inserted pin hole 4A on the other side and 4B, and folding device was returned to again and launched and lock-out state this moment.
Embodiment 2:
As Fig. 7～shown in Figure 11, present embodiment is described to be that described latch guide pipe is located on the described hollow shaft sleeve, and described pin hole is located at a kind of folding device on the described hollow shaft.With embodiment 1 something in common be: it also comprises side arm 1, after-frame 2, hollow shaft 5 and hollow shaft sleeve 3.Difference from Example 1 is: the folding device in the present embodiment is that side arm 1 is connected with hollow shaft sleeve 3, after-frame 2 is connected with the two ends of hollow shaft 5, latch guide pipe 25 is located on the hollow shaft sleeve 3, pin hole 24 is located on the hollow shaft 5.
Referring to Fig. 8～shown in Figure 10, hollow shaft 5 rotatable being engaged in the hollow shaft sleeve 3, and the two ends of hollow shaft 5 stretch out outside hollow shaft sleeve 3 two ends, and captive joint with the rear end of side arm 1 in the external peripheral surface of hollow shaft sleeve 3 or two ends; Captive joint with the front end of the two side of after-frame 2 in the two ends of hollow shaft 5.Be provided with the blocking device of the relative circumferential position between lockable or release hollow shaft 5 and the hollow shaft sleeve 3 in hollow shaft 5 and on the hollow shaft sleeve 3.
Referring to Fig. 8, Fig. 9, shown in Figure 10, the described blocking device that is provided with lockable or release hollow shaft 5 and hollow shaft sleeve 3 the relative circumferential position in hollow shaft 5 and on the hollow shaft sleeve 3 refers to, on hollow shaft 5, radially be provided with pin hole 24, radially be provided with latch guide pipe 25 on the hollow shaft sleeve 3 in being in side arm 1, the pore of latch guide pipe 25 runs through in the hollow shaft sleeve 3, and (when the present embodiment folding device is in the lock state) is concentric relative with pin hole 24, sliding fit has latch 27 in latch guide pipe 25, upper end at latch 27 is provided with (be used for driving latch in latch guide pipe 25 in axial sliding) latch handle 28, and an end of latch handle 28 goes out the sidewall outer (as shown in Figure 7) of side arm 1 by being located at long lumbar hole 31 Shens on the side arm 1, be provided with circular groove 29 on the latch handle 28 of the part in side arm 1, be provided with clothes-hook 26 in the lower end of latch guide pipe 25, between circular groove 29 on the latch handle 28 and clothes-hook 26, hang with an extension spring 30.
Be illustrated in figure 9 as the present embodiment folding device of deployed condition, this moment, latch 27 ran through latch guide pipe 25 that is located on the hollow shaft sleeve 3 and the pin hole 24 that is located on the hollow shaft 5, being in circumferential lock-out state between hollow shaft 5 and the hollow shaft sleeve 3 can not reverse mutually, promptly is fixed on the side arm 1 on the hollow shaft sleeve 3 and is fixed between the after-frame 2 on the hollow shaft 5 to fold.When folding device of the present invention need fold, only need the lock-out state of 3 of releasing hollow shaft 5 and hollow shaft sleeves, promptly upwards spurring latch handle 28 makes it upwards slide along long lumbar hole 31, will drive latch 27 upwards slides along latch guide pipe 25, extension spring 30 simultaneously is stretched, the lower end of latch 27 breaks away from the pin hole 24 (as shown in figure 10) on the hollow shaft 5, lose the restriction of latch 27 this moment between hollow shaft 5 and the hollow shaft sleeve 3, can circumferentially reverse mutually between the two, promptly can fold (as shown in figure 11) between side arm 1 and the after-frame 2.
When the present embodiment folding device is in folded state, under the pulling force of extension spring 30, the end face of latch 27 is against on the axial wall of hollow shaft 5, when the folding device of the present invention that is in folded state need launch, only need directly to launch to get final product, the end face that is against the latch 27 on hollow shaft 5 axial walls in the process of launching can circumferentially slide along the axial wall of hollow shaft 5, when the pin hole on the end face of latch 27 and the hollow shaft 5 24 is relative, under the pulling of extension spring 30, latch 27 can insert pin hole 24 automatically, and folding device of the present invention enters deployed condition.
When the present embodiment folding device is in folded state, if the axial wall of the hollow shaft 5 relative with latch 27 end faces is provided with (be used for lock folding device folded state of the present invention) pin hole, 27 of latches can insert this pin hole under the pulling force of extension spring 30, in this case if launch folding device of the present invention, then needing to spur latch handle 28 makes latch 27 deviate from this pin hole can to launch folding device of the present invention, the end face that is against the latch 27 on hollow shaft 5 axial walls in the process of launching can circumferentially slide along the axial wall of hollow shaft 5, when the pin hole on the end face of latch 27 and the hollow shaft 5 24 is relative, under the pulling of extension spring 30, latch 27 can insert pin hole 24 automatically, and folding device of the present invention enters deployed condition.
It is for the ease of understanding that directionality such as the up, down, left, right, before and after in the present embodiment are described, and is not limitation of the invention.
The present invention not only is confined to above embodiment, and its concrete structure allows various variations, as: as described in side arm 1 and after-frame 2 can be crooked also can be straight, can be hollow also can be solid, its cross section can be an Any shape; Described hollow shaft sleeve 3 can captive joint also can be to removably connect with hollow shaft 5 with being connected of side arm and after-frame; Described locking or release hollow shaft 5 allow variation with the concrete structure of the blocking device of hollow shaft sleeve 3 the relative circumferential position; The structure that the drive configuration of latch as described in example 1 above can not adopt the inclined-plane to drive, and the structure that adopts lever to prize also can adopt the structure of direct twitch latch; Slide bar 12 on the bolt driving of Y font described in the embodiment 1 part can not be located on the axial line of hollow shaft, and described inclined-plane slide rail also can only be provided with one; Spring in the described bolt driving device also can not adopt the tower spring among the figure and be cylindrical spring, can also not establish spring 16 on the described slide bar 12, changes in latch guide pipe 7 and establishes the column spring between two latch 8A and 8B, also can play same effect; Described spring perch 14 also can adopt other removable connection structure as being threaded with hollow shaft 5 ports, and described spring perch 14 can also not be bowl-shape and simple beam that can limit slide bar 12 path of motions can support spring 16 just, as the three-jaw support; End cap 18 also can adopt other removable structure such as screw to be connected with end cap 22 and hollow shaft 5 ports or be threaded, even can not establish end cap 18 and end cap 22.The free end end of described slide bar 12 and being connected of button 21 also can be that the outside thread of other connection structures such as slide bar is connected with the negative thread of knob 21, even can not establish button 21, and the free end end of directly pressing slide bar 12; Or the like.In a word, all various variations of being done in independent claims protection domain of the present invention are all in protection scope of the present invention.
Claims (5)
1, a kind of folding device, it comprises side arm (1) and after-frame (2), it also comprises hollow shaft sleeve (3) and the rotatable hollow shaft (5) that is engaged in the hollow shaft sleeve (3), hollow shaft sleeve (3) is connected with after-frame (2) or side arm (1), the two ends of hollow shaft (5) are connected with in side arm (1) or the after-frame (2) another, are provided with lockable in hollow shaft (5) and on the hollow shaft sleeve (3) or discharge the blocking device of the relative circumferential position between hollow shaft (5) and the hollow shaft sleeve (3); It is characterized in that: the described blocking device that is provided with lockable or release hollow shaft (5) and hollow shaft sleeve (3) the relative circumferential position in hollow shaft (5) and on the hollow shaft sleeve (3) refers to, be provided with the first latch guide pipe fixed orifice (6A) in hollow shaft (a 5) side radially, be provided with the second latch guide pipe fixed orifice (6B) at hollow shaft (5) opposite side radially, latch guide pipe (7) runs through the first latch guide pipe fixed orifice (6A) and the second latch guide pipe fixed orifice (6B) is located in the hollow shaft (5), be provided with first slotted hole (10A) in latch guide pipe (a 7) side radially, be provided with second slotted hole (10B) at latch guide pipe (7) opposite side radially, total length is not more than first latch (8A) of latch guide pipe (7) length and second latch (8B) sliding fit in latch guide pipe (7), on first latch (8A), be provided with the first oblique chute (9A), on second latch (8B), be provided with the second oblique chute (9B), a radially side of hollow shaft sleeve (3) is provided with first pin hole (4A) that inserts for first latch (8A), the radially opposite side of hollow shaft sleeve (3) is provided with second pin hole (4B) that inserts for second latch (8B), also is provided with the bolt driving device on hollow shaft (5).
2, folding device according to claim 1, it is characterized in that: described bolt driving device is by Y font bolt driving part and the spring perch (14) that matches with Y font bolt driving part, spring (16), jump ring (17), end cap (18), two inclined-plane slide rails that are in the shape of the letter V mutually that described Y font actuator fixes by slide bar (12) with slide bar (12) i.e. the first inclined-plane slide rail (11A) and the second inclined-plane slide rail (11B) formation, the first inclined-plane slide rail (11A) in described two inclined-plane slide rails that are in the shape of the letter V mutually passes first axial long hole (10A) on the latch guide pipe (7), in the first oblique chute (9A) of sliding fit on being located at first latch (8A), the second inclined-plane slide rail (11B) in described two inclined-plane slide rails that are in the shape of the letter V mutually passes second axial long hole (10B) on the latch guide pipe (7), in the second oblique chute (9B) of sliding fit on being located at second latch (8B), pilot hole (15) sliding fit on the bowl-shape spring perch (14) is on slide bar (12), spring (16) is movably combined on the slide bar (12), jump ring (17) is stuck in the jump ring groove (13) of being located at the axial middle part of slide bar (12), pilot hole (19) sliding fit on the end cap (18) is on slide bar 12, the two ends of spring (16) are supported to the inner plane and jump ring (17) of spring perch (14) respectively, fit in the edge of the port of bowl-shape spring perch (14) and end cap (18), and on the removable port that is fixed on hollow shaft (5).
3, folding device according to claim 2, it is characterized in that: fit in the port of described bowl-shape spring perch (14) and the edge of end cap (18), and refer on the removable port that is fixed on hollow shaft (5), the port of bowl-shape spring perch (14) is provided with the seam that turns up, fit in the edge of this seam and end cap (18), and together cover on the seam in being located at hollow shaft (5) port, be stuck in the jump ring groove of being located in this port of hollow shaft (5) (201) by jump ring (20) again.
4, folding device according to claim 3 is characterized in that: there is a screw the free-ended end of described slide bar (12), is rotary with a button (21) on the screw.
5, folding device according to claim 3, it is characterized in that: the port of the other end of described hollow shaft (5) is provided with an end cap (22), the inwall of this port of hollow shaft (5) is provided with seam, and the inwall of the port of the hollow shaft (5) that end cap (22) outer face is outer is provided with the jump ring groove (231) that snaps in for jump ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101648187A CN100556746C (en) | 2007-12-25 | 2007-12-25 | Folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101648187A CN100556746C (en) | 2007-12-25 | 2007-12-25 | Folding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101209738A CN101209738A (en) | 2008-07-02 |
| CN100556746C true CN100556746C (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101648187A Expired - Fee Related CN100556746C (en) | 2007-12-25 | 2007-12-25 | Folding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN100556746C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850817A (en) * | 2010-03-03 | 2010-10-06 | 成都富智科技有限公司 | Multifunctional bicycle capable of being combined into seat |
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| CN102923316A (en) * | 2012-11-16 | 2013-02-13 | 哈尔滨工业大学 | Unfoldable unit of triangular prism and unfoldable support arm consisting of unfoldable units |
| CN104908872A (en) * | 2015-06-26 | 2015-09-16 | 朱子毅 | Locking and unlocking device of foldable joint |
| US10266228B2 (en) | 2016-06-24 | 2019-04-23 | Easy2.Company B.V. | Drive train for a treadle scooter |
| CN106314654B (en) * | 2016-06-30 | 2023-12-08 | 祐樘(南京)软件科技有限公司 | Folder and folding vehicle |
| WO2018161617A1 (en) * | 2017-03-09 | 2018-09-13 | 小环科技（深圳）有限公司 | Folding locking mechanism |
| CN106892046B (en) * | 2017-03-09 | 2020-04-21 | 小环智能科技(深圳)有限公司 | Folding locking mechanism |
| CN109131690B (en) * | 2018-10-17 | 2020-06-02 | 天津市金轮信德车业有限公司 | Corner connecting device, folding frame and folding car |
| WO2020154881A1 (en) * | 2019-01-29 | 2020-08-06 | 李俊楠 | Rotating shaft connector and foldable moped |
| CN110219883B (en) * | 2019-06-25 | 2020-12-01 | 北京石油化工学院 | Rotary positioning mechanism and upper limb rehabilitation training system |
| CN110974071B (en) * | 2019-11-25 | 2021-11-30 | 台州市路桥爱森勒特机械有限公司 | Portable hand washing machine |
| CN114620177B (en) * | 2022-03-14 | 2023-12-05 | 浙江德清久胜车业有限公司 | Folding bicycle full-concealed folding lock catch and folding bicycle cross beam with same |
-
2007
- 2007-12-25 CN CNB2007101648187A patent/CN100556746C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850817A (en) * | 2010-03-03 | 2010-10-06 | 成都富智科技有限公司 | Multifunctional bicycle capable of being combined into seat |
| CN101850817B (en) * | 2010-03-03 | 2012-10-03 | 成都华锋科技有限公司 | Multifunctional bicycle capable of being combined into seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101209738A (en) | 2008-07-02 |
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