CN201405982Y - Folding joint of folding bicycle - Google Patents
Folding joint of folding bicycle Download PDFInfo
- Publication number
- CN201405982Y CN201405982Y CN2009200535078U CN200920053507U CN201405982Y CN 201405982 Y CN201405982 Y CN 201405982Y CN 2009200535078 U CN2009200535078 U CN 2009200535078U CN 200920053507 U CN200920053507 U CN 200920053507U CN 201405982 Y CN201405982 Y CN 201405982Y
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- hole
- handle
- buckling parts
- screw
- contiguous block
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Abstract
The utility model discloses a folding joint of a folding bicycle. The folding joint comprises a front connecting block, a rear connecting block and a locking device, wherein one end of the rear connecting block is articulated with the front connecting block; the locking device is used for locking the front connecting block and the rear connecting block; the locking device consists of a handle anda buckling part; the front end part of the handle is articulated with the rear connecting block; the front part of the handle is articulated with one end of the buckling part; the other end of the buckling part is provided with a slotted hole; and a sliding location pin is arranged in the slotted hole. In the utility model, the handle and the buckling part skillfully adopt the principle of a slider-crank mechanism and are the extension based on the slider-crank mechanism, so that the structure of the folding joint becomes simpler, the operation is more convenient, and the locking force is stronger.
Description
Technical field
The utility model relates to bicycle part, especially the folding joint on the folding bicycle.
Background technology
In conventional folding grip standpipe and folder structure, adopt dual mode to finish the fastening function of two binding sites up and down usually.Once the mode that is eccentric wheel locking: eccentric wheel is meant the wheel shape part that is contained on the axle, the axis hole sway, it is by the handle of rotating band decentralizing device, the outer rim of wheel promotes another parts, produce crank motion, change hinge center and the distance that fastens seal face with this, realize the fastening of cover plate up and down with unclamp.Two or four connecting rod crank rocker mechanism locking modes: how below handle, to be provided with fork, make it to be connected with handle, loam cake, lower cover position, assembled complete quadric linkage, the clasp that extends out by driving lever (handle) front end fastens the lower cover folded piece, when fork successfully surpasses or returns dead center position, just obtain the fastening of assembly upper and lower covers and unclamped the folder function of realization handle riser, folder.
Eccentric wheel type mechanism, simple in structure, technical maturity, matching component is complete, the convenient purchase, productive costs is also lower.But eccentric wheel type mechanism since structure in motion process, be that the cambered surface friction of roller contacts and changes distance, therefore when turning handle, almost be difficult to feel the range that whether forwards wheel to, feel is not good, and long-term friction can cause wearing and tearing, distortion and the scratch of wheel cambered surface and contact surface.Quadric linkage when manually fastening and opening, surpasses the position, dead point owing to there is quickreturn characteristics, and whether hand just can directly be experienced parts safe and reliable in fastening process, and the eccentric wheel use experience is better relatively.But the quadric linkage component part is too much, and structure is comparatively complicated, and cost is higher; Clasp and handle part structure are solidified simultaneously, and profile is single, does not have very big breakthrough for a long time, and screw rod cooperation position is very many, as screw thread deflection is arranged slightly, the generation in dislocation and slit when being easy to generate the upper and lower covers clamping, but Combination property is reasonable.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of folding bicycle folding joint, has advantage simple in structure, easy to operate, that locking force is strong.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of folding bicycle folding joint comprises contiguous block behind preceding contiguous block, an end and the preceding contiguous block pivotally attached, tightly locks the locking device of forward and backward two contiguous blocks; Described locking device bag is made up of handle and buckling parts, and described handle leading section is hinged with the back contiguous block, and the front portion of handle and buckling parts one end are hinged, and the described buckling parts other end is provided with slotted eye, in the described slotted eye slide jaw is installed.Locking device in the folding joint has been divided into two parts, be respectively handle and buckling parts, handle and buckling parts have been used the principle of slider-crank mechanism cleverly, it simultaneously is again an extension on quadric linkage, make the structure of folding joint become simpler, locking device in the folding joint operates simpler, and its locking force for the front and back contiguous block is stronger.
As improvement, be provided with two through hole before and after the described handle forward position, be respectively first through hole and second through hole, extend one on the contiguous block of described back and protrude piece, described protrusion piece is provided with fourth hole and protrudes the piece center and is depression, the handle front end stretches in this depression, and first through hole and fourth hole are connected to form the hinged of handle and back contiguous block by pin; One end of described buckling parts is provided with third through-hole, and the third through-hole and second through hole are connected to form the hinged of handle and buckling parts by pin.
As improvement, described slotted eye is in strip, described buckling parts is provided with the control apparatus of regulating the slide jaw position, described control apparatus comprises screw, spring, described spring is installed in the bar shape trench hole and pushes slide jaw, and described buckling parts front end is provided with screw, and screw is communicated with slotted eye, be provided with locking spring in the screw, screw is installed in the screw and passes locking spring.The slide jaw of buckling parts front end is used for when folding joint is tightly locked and preceding contiguous block fastens, and the adjustable positions of slide jaw has realized the adjustability of locking device degree of tension during contiguous block before and after the tight lock.
As improvement, described buckling parts front end midway location is a recess, and the depression both sides are respectively equipped with screw, are equipped with screw and locking spring in the screw.Two apparatus for adjusting position difference buckling parts front end both sides, position, when slide jaw being done the position adjustment, regulate two screws in the apparatus for adjusting position simultaneously, make the slide jaw that is arranged in bar shape trench hole can do moving of opposing parallel, guaranteed the tightness degree when slide jaw and preceding contiguous block fasten.
As improvement, be provided with torsion spring between described second through hole and the third through-hole.Torsion spring makes buckling parts be subjected to a downward torsion all the time, when the front and back contiguous block is fitted and prepare tight lock, buckling parts is put the position that fastens with preceding contiguous block naturally, only need pull handle and just can make the buckling parts preceding contiguous block that links closely, and makes the front and back contiguous block be in tight lock state.
As improvement, described buckling parts is a half moon.
Originally the beneficial effect that utility model is compared with prior art brought is:
Handle and buckling parts have been used the principle of slider-crank mechanism cleverly, are again simultaneously extensions on quadric linkage, make the structure of folding joint become simpler;
The adjustable positions of slide jaw has realized the adjustability of locking device degree of tension during contiguous block before and after tight lock;
Control apparatus is regulated the position of slide jaw, thus change locking device tightly lock before and after tensioning dynamics during contiguous block.
Description of drawings
Side schematic view when Fig. 1 tightly locks for folding joint among the embodiment 1;
Fig. 2 is the vertical section cutaway view of Fig. 1;
Three-dimensional state figure when Fig. 3 unclamps for folding joint among the embodiment 1;
Another visual angle three-dimensional state figure when Fig. 4 unclamps for folding joint among the embodiment 1;
Another visual angle three-dimensional state figure when Fig. 5 unclamps for folding joint among the embodiment 1;
Fig. 6 is a folding joint front schematic view among the embodiment 1;
Side schematic view when Fig. 7 tightly locks for folding joint among the embodiment 2;
Fig. 8 is the vertical section cutaway view of Fig. 7;
Side schematic view when Fig. 9 unclamps for folding joint among the embodiment 2;
Three-dimensional state figure when Figure 10 unclamps for folding joint among the embodiment 2;
Three-dimensional state figure when Figure 11 tightly locks for folding joint among the embodiment 2;
Figure 12 is the A place enlarged drawing of Fig. 8.
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description.
Shown in Fig. 1 to 6, a kind of folding bicycle folding joint, described folding joint is installed on the stem, and described folding joint comprises contiguous block 1 behind preceding contiguous block 2, an end and preceding contiguous block 2 pivotallys attached, tightly locks the locking device of forward and backward two contiguous blocks 2,1.Described locking device is made up of handle 3 and half-moon-shaped buckling parts 4, be provided with two through hole before and after described handle 3 forward positions, be respectively first through hole 8 and second through hole 7, extend one on the contiguous block 1 of described back and protrude piece 13, described protrusion piece 13 is provided with fourth hole 6 and protrudes piece 13 centers and is depression 14, handle 3 front ends stretch in this depression 14, first through hole 8 is connected to form the hinged of handle 3 and back contiguous block 1 with fourth hole 6 by pin (indicating), and handle 3 can have only rotation around back contiguous block 1; One end of described buckling parts 4 is provided with third through-hole 5, and the third through-hole 5 and second through hole 7 are connected to form the hinged of handle 3 and buckling parts 4 by pin (indicating), and buckling parts 4 can freely rotate by thorny handle 3.Be provided with torsion spring (not indicating) between described second through hole 7 and the third through-hole 5, when locking device was in tight lock state, torsion spring was in normal condition, when buckling parts 4 when handle 3 one sides rotate, torsion spring generation elastic deformation makes buckling parts 4 be subjected to the torsion of a direction.Described buckling parts 4 other ends are provided with bar shape trench hole 9, in the described slotted eye 9 slide jaw 10 are installed, and slide jaw 10 can be free to slide in bar shape trench hole 9.Described buckling parts 4 front end midways location are depression 16,16 both sides of caving in are respectively equipped with apparatus for adjusting position, described control apparatus comprises screw 11, spring 12, described spring 12 is installed in the bar shape trench hole 9 and pushes slide jaw 10, concave end 16 both sides are provided with screw (not indicating) before the described buckling parts 4, screw is communicated with slotted eye 9, is provided with locking spring (not indicating) in the screw, and screw 11 is installed in the screw and passes locking spring and contacts with slide jaw 10.In order to prevent that handle 3 from overturning outside standing up when tightly locking, handle 3 rear ends are provided with the anti-canting device.
The principle of work and the method for operation of folding joint are as follows:
When launching stem, contiguous block 1 is fitted before and after at first making, driving handle 3 then makes progress, handle 3 rotates up around pin, under the drive of pin, the half-moon-shaped buckling parts 4 of this moment is equivalent to the slide block in the slider-crank mechanism, gradually move up, the button spring can twist buckling parts 4, and contiguous block 2 front ends are close forward, when handle 3 continues upwards to promote, the groove 15 on contiguous block 2 lip limits when slide jaw 10 contacts fully with the groove 15 on preceding contiguous block 2 lip limits, can feel that obviously driving handle 3 has run into bigger resistance before slide jaw 10 entered downwards, the intrinsic quickreturn characteristics of quadric linkage obtains embodying immediately, increase some masterpieces slightly and be used for handle 3 rear ends, the dead point of jumping over rapidly of the hinge-point between handle 3 and the buckling parts 4, will before, back two contiguous blocks snapping together tightly.If handle 3 can't be pressed the dead point, the too short institute of fork distance is described extremely, regulate the screw 11 in two screws simultaneously, screw 11 promotes slide jaw 10 and moves to handle 3 directions; The dead point if handle 3 is easily jumped over; but do not have anxious sensation of returning; the long institute of fork distance is described extremely; regulate the screw 11 in two screws simultaneously; spring 12 in the slotted eye 9 can promote slide jaw 10 and move to screw 11 directions; two screws 11 need to transfer simultaneously; to guarantee that slide jaw 10 can be the parastate fine setting to desirable state; when slide jaw 10 is in perfect condition; downward driving handle 3; it is parallel that handle 3 and stem are in substantially, and this moment, buckling parts 4 was finished the locking step to front and back contiguous block 1.
When needs are folded up stem, driving handle 3 makes progress, handle 3 rotates around pin, under the drive of pin, buckling parts 4 has one forward and the moving process that makes progress, after the groove 15 on contiguous block 2 lip limits separates fully before slide jaw 10 breaks away from, with hand buckling parts 4 is overturn to handle 3 directions, contiguous block 2 before slide jaw 10 is left, stem is just folded up along with the upset of front and back contiguous block 1.
Shown in Fig. 7 to 12, a kind of folding bicycle folding joint, described folding joint is installed on the vehicle frame connecting rod, be used to connect the vehicle frame front and rear connecting rods, described folding joint comprises contiguous block 1 behind preceding contiguous block 2, an end and preceding contiguous block 2 pivotallys attached, tightly locks the locking device of forward and backward two contiguous blocks 2,1.The binding face of contiguous block 2 and back contiguous block 1 is dentation before described, makes that two contiguous blocks are more firm in applying, are not easy to occur relative displacement.Described locking device is made up of handle 3 and half-moon-shaped buckling parts 4, be provided with two through hole before and after described handle 3 forward positions, be respectively first through hole 8 and second through hole 7, extend one on the contiguous block 1 of described back and protrude piece 13, described protrusion piece 13 is provided with fourth hole 6 and protrudes piece 13 centers and is depression 14, handle 3 front ends stretch in this depression 14, and first through hole 8 is connected to form the hinged of handle 3 and back contiguous block 1 with fourth hole 6 by pin, and handle 3 can have only rotation around back contiguous block 1.One end of described buckling parts 4 is provided with third through-hole 5, and the third through-hole 5 and second through hole 7 are connected to form the hinged of handle 3 and buckling parts 4 by pin, and buckling parts 4 can freely rotate by thorny handle 3.Be provided with torsion spring (not indicating) between described second through hole 7 and the third through-hole 5, when locking device was in tight lock state, torsion spring was in normal condition, when buckling parts 4 when handle 3 one sides rotate, torsion spring generation elastic deformation makes buckling parts 4 be subjected to the torsion of a direction.Described buckling parts 4 other ends are provided with bar shape trench hole 9, in the described slotted eye 9 slide jaw 10 are installed, and slide jaw 10 can be free to slide in bar shape trench hole 9.Described buckling parts 4 front end midways location are depression 16 shapes, 16 both sides of caving in are respectively equipped with apparatus for adjusting position, described control apparatus comprises screw 11, spring 12, described spring 12 is installed in the bar shape trench hole 9 and pushes slide jaw 10, concave end 16 both sides are provided with screw (not indicating) before the described buckling parts 4, screw is communicated with slotted eye 9, is provided with locking spring in the screw, and screw 11 is installed in the screw and passes locking spring and contacts with slide jaw 10.
The principle of work and the method for operation of the stem folding joint among the folding joint principle of work in the present embodiment and method of operation and the embodiment 1 are the same.
The principle that handle 3 of the present utility model and buckling parts 4 have been used slider-crank mechanism cleverly simultaneously is again an extension on quadric linkage, makes the structure of folding joint become simpler; The adjustable positions of slide jaw 10 has realized the adjustability of locking device degree of tension during contiguous block 1 before and after tight lock; Control apparatus is regulated the position of slide jaw 10, thus change locking device tightly lock before and after tensioning dynamics during contiguous block 1.
Claims (6)
1. folding bicycle folding joint comprises contiguous block (1) behind preceding contiguous block (2), an end and preceding contiguous block (2) pivotally attached, tightly locks the locking device of forward and backward two contiguous blocks; It is characterized in that: described locking device is made up of handle (3) and buckling parts (4), described handle (3) leading section is hinged with back contiguous block (1), the front portion of handle (3) and buckling parts (4) one ends are hinged, described buckling parts (4) other end is provided with slotted eye (9), and slide jaw (10) is installed in the described slotted eye (9).
2. a kind of folding bicycle folding joint according to claim 1, it is characterized in that: be provided with two through hole before and after described handle (3) forward position, be respectively first through hole (8) and second through hole (7), extend one on the described back contiguous block (1) and protrude piece (13), described protrusion piece (13) is provided with fourth hole (6) and protrudes piece (13) center and is depression (14), handle (3) front end stretches in this depression (14), and first through hole (8) is connected to form the hinged of handle (3) and back contiguous block (1) with fourth hole (6) by pin; One end of described buckling parts (4) is provided with third through-hole (5), and third through-hole (5) is connected to form the hinged of handle (3) and buckling parts (4) with second through hole (7) by pin.
3. a kind of folding bicycle folding joint according to claim 1, it is characterized in that: described slotted eye (9) is in strip, described buckling parts (4) is provided with the control apparatus of regulating slide jaw (10) position, described control apparatus comprises screw (11), spring (12), described spring (12) is installed in the bar shape trench hole (9) and pushes slide jaw (10), described buckling parts (4) front end is provided with screw, screw is communicated with slotted eye (9), be provided with locking spring in the screw, screw (11) is installed in the screw and passes locking spring.
4. a kind of folding bicycle folding joint according to claim 3 is characterized in that: described buckling parts (4) front end midway location is equipped with screw (11) and locking spring for depression (16) shape, depression (16) both sides are respectively equipped with screw in the screw.
5. a kind of folding bicycle folding joint according to claim 2 is characterized in that: be provided with torsion spring between described second through hole (7) and the third through-hole (5).
6. a kind of folding bicycle folding joint according to claim 1 is characterized in that: described buckling parts (4) is for half-moon-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200535078U CN201405982Y (en) | 2009-03-27 | 2009-03-27 | Folding joint of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200535078U CN201405982Y (en) | 2009-03-27 | 2009-03-27 | Folding joint of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405982Y true CN201405982Y (en) | 2010-02-17 |
Family
ID=41676909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200535078U Expired - Fee Related CN201405982Y (en) | 2009-03-27 | 2009-03-27 | Folding joint of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405982Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850818A (en) * | 2010-05-28 | 2010-10-06 | 黄可俭 | Folding bicycle frame and manufacturing process thereof |
| WO2018171232A1 (en) * | 2017-03-22 | 2018-09-27 | 大行科技(深圳)有限公司 | Foldable mechanism |
-
2009
- 2009-03-27 CN CN2009200535078U patent/CN201405982Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850818A (en) * | 2010-05-28 | 2010-10-06 | 黄可俭 | Folding bicycle frame and manufacturing process thereof |
| CN101850818B (en) * | 2010-05-28 | 2012-10-31 | 黄可俭 | Folding bicycle frame and manufacturing process thereof |
| WO2018171232A1 (en) * | 2017-03-22 | 2018-09-27 | 大行科技(深圳)有限公司 | Foldable mechanism |
| US11313411B2 (en) | 2017-03-22 | 2022-04-26 | Dahon Technologies. Ltd | Folding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Leonis Machinery Co., Ltd. Assignor: Huang Kejian Contract record no.: 2010440000730 Denomination of utility model: Folding joint of folding bicycle Granted publication date: 20100217 License type: Exclusive License Record date: 20100611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20160327 |