CN2640901Y - Folding gear of folding bicycle - Google Patents
Folding gear of folding bicycle Download PDFInfo
- Publication number
- CN2640901Y CN2640901Y CN 03272891 CN03272891U CN2640901Y CN 2640901 Y CN2640901 Y CN 2640901Y CN 03272891 CN03272891 CN 03272891 CN 03272891 U CN03272891 U CN 03272891U CN 2640901 Y CN2640901 Y CN 2640901Y
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- 230000003287 optical effect Effects 0.000 claims description 45
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 239000013013 elastic material Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
A folding device of folding bicycle comprises a folder arranged at the separating part of two separated tube sections on the front triangle bracket of the bicycle. The folder comprises a rotating shaft, a hinge and a position switch; the folder also comprises a terminal switch arranged at the right position between the two separated tube sections of the lower frame tube; the terminal switch is provided with a fixed element which is positioned on one tube end at the separating part of the lower frame tube and a setting element which is positioned on the other tube end at the separating part of the lower frame tube; a distance is left between the two end faces which the two fixed elements are respectively opposite; and a connecting sleeve which can move along the central line of the lower frame tube is arranged between the two setting elements, the connecting sleeve also combines the two setting elements together and also allows the two elements separating from each other. The utility model can realize the folding and open of the folding bicycle which has a front triangle bracket.
Description
[ technical field ]
The utility model relates to a folding bicycle especially relates to a folding device of folding bicycle.
[ background art ]
The existing folding bicycle is characterized in that under the condition that a front frame only has a structure with a single upper pipe or a single lower pipe, the upper pipe or the lower pipe is disconnected, and a folder is arranged at the disconnected pipe. As shown in fig. 1 and 2, there are many types of folders a, such as a square box quick-release folder, a screw rotary folder, a two-degree-of-freedom folder, and a shock-absorbing folder, and the folders a each include a rotating shaft 61, a hinge 62, and a positioning switch 63. The two ends of the break-off tube are fixed to the two parts of the rotatable hinge 62, respectively, so that the bicycle is divided into two parts which can be folded by rotating at an angle with respect to the rotating shaft 61 when the folder a is opened; when the folder A is closed, the positioning switch 63 can tightly fix the folder A, so that the two sections of the disconnected bicycle tube become a whole, and the bicycle can be folded or unfolded for use.
However, if the bicycle is a structure including a front triangle frame, such as a sports car and a city men's bicycle, the folding of the bicycle cannot be realized by only installing the folder a in the upper tube or the lower tube, or installing one folder a in each of the upper tube and the lower tube.
[ contents of utility model ]
The utility model aims at providing a folding device of folding bicycle, it can conveniently realize the folding of folding bicycle who contains preceding triangle frame and open the use.
In order to achieve the above object, the present invention provides a folding device of a folding bicycle, including: a dress is at the scray between two pipe sections of folding department's separation of triangle frame top tube disconnection before folding bicycle, and this scray contains a pivot, hinge and a positioning switch, its characterized in that:
the connector switch is arranged between two separated pipe sections at the broken and folded position of the lower pipe of the frame and comprises two fixing elements, the two fixing elements are respectively fixed on the ends of the two disconnected pipe sections, a distance is reserved between the two opposite end surfaces of the two fixing elements, and a detachable connecting sleeve for fixedly connecting the two fixing elements together is arranged between the two fixing elements.
Folding bicycle's folding device, its characterized in that: one fixing element in the joint switch is an optical sleeve, the other fixing element is a male threaded sleeve, and the coupling sleeve is a female threaded sleeve; wherein,
the optical sleeve is fixed at one end of a pipe section of the lower bicycle pipe, and the outer diameter of the optical sleeve is smaller than the diameter of the female thread sleeve;
the male thread sleeve is fixedly arranged at the pipe end of the pipe section of the lower bicycle pipe;
the female threads of the female threaded sleeve mate with the male threads of the male threaded sleeve, and the unthreaded end of the female threaded sleeve includes a bottom shoulder having a diameter greater than the outer diameter of the light sleeve.
Folding bicycle's folding device, its characterized in that: one fixing element in the joint switch is a light sleeve made of elastic material, the other fixing element is a male thread sleeve, and the coupling sleeve is a female thread sleeve; wherein,
the optical sleeve is fixed at the end of the pipe section of the lower pipe of the bicycle;
the male thread sleeve is fixed at the end of the pipe section of the bicycle lower pipe;
the female thread at one end of the female thread sleeve is matched with the male thread of the male thread sleeve; the unthreaded end of the female threaded sleeve is a unthreaded hole, and the optical sleeve is inserted into the unthreaded hole in a matching manner.
Folding bicycle's folding device, its characterized in that: the two fixing elements in the joint switch are two optical sleeves, the outer diameters of which are respectively fixed with a convex pin, and the connecting line of the centers of the two convex pins is parallel to the central line of a disconnected lower bicycle tube;
the coupling sleeve is a grooved sleeve; the outer circle of the grooved sleeve is provided with three arc-shaped through grooves which are parallel to each other, the width of each arc-shaped through groove is matched with the outer diameter of the convex pin, the lengths of the arc-shaped through grooves are the same, the distance between every two adjacent through grooves is equal, one end of one through groove is provided with an L-shaped open groove towards one end of the grooved sleeve along an outer cylindrical bus line which is parallel to the central line of the bicycle down tube, and the same end of the open grooves of the other two through grooves is provided with an F-shaped open groove towards the other end of the grooved sleeve along an outer cylindrical bus line which is parallel to the; the inner diameters of the grooved sleeves are matched to the outer diameters of the optical sleeves, and the grooved sleeves can slide on the outer circles of the optical sleeves.
The utility model also provides a folding device of folding bicycle, include: a dress is at the scray between two pipe sections of folding department separation of folding bicycle front triangle frame lower tube disconnection, and this scray contains a pivot, hinge and a positioning switch, its characterized in that:
the connector switch is mounted between two separated pipe sections at proper position of middle pipe of frame, and includes two fixing elements, these fixing elements are respectively fixed on the ends of two separated pipe sections, and between two opposite end faces of these two fixing elements a proper distance is left, and a detachable connecting sleeve is positioned between these two fixing elements, can be moved along the central line direction of middle pipe to fixedly connect two fixing elements together.
Folding bicycle's folding device, its characterized in that: one fixing element in the joint switch is an optical sleeve, the other fixing element is a male threaded sleeve, and the coupling sleeve is a female threaded sleeve; wherein,
the optical sleeve is fixed at one end of the pipe section of the middle pipe of the bicycle, and the outer diameter of the optical sleeve is smaller than the aperture of the female thread sleeve;
the male thread sleeve is fixedly arranged at the pipe end of the pipe section of the middle pipe of the bicycle;
the female threads of the female threaded sleeve mate with the male threads of the male threaded sleeve, and the unthreaded end of the female threaded sleeve includes a bottom shoulder having a diameter greater than the outer diameter of the light sleeve.
Folding bicycle's folding device, its characterized in that: one fixing element in the joint switch is a smooth sleeve made of elastic material, the other fixing element is a male thread sleeve, and the connecting sleeve is a female thread sleeve; wherein,
the optical sleeve is fixed at the end of the pipe section of the middle pipe of the bicycle;
the male thread sleeve is fixed at the end of the pipe section of the middle pipe of the bicycle;
the female thread at one end of the female thread sleeve is matched with the male thread of the male thread sleeve; the unthreaded end of the female threaded sleeve is a unthreaded hole, and the optical sleeve is inserted into the unthreaded hole in a matching manner.
Folding bicycle's folding device, its characterized in that: the two fixing elements in the joint switch are two optical sleeves, the outer diameters of which are respectively fixed with a convex pin, and the connecting line of the centers of the two convex pins is parallel to the central line of a disconnected middle tube of the bicycle;
the coupling sleeve is a grooved sleeve; the excircle of the grooved sleeve is provided with three arc-shaped through grooves which are parallel to each other, have the width matched with the outer diameter of the convex pin and have the same length, the distances between the two adjacent through grooves are equal, and one end of the through groove is provided with an L-shaped open groove towards one end of the grooved sleeve along an outer cylindrical bus parallel to the central line of the middle tube of the bicycle; the same ends of the open grooves of the other two through grooves are provided with an F-shaped open groove towards the other end of the grooved sleeve along an outer cylindrical bus parallel to the center line of the bicycle middle tube, the inner diameter of the grooved sleeve is respectively matched with the outer diameter of the optical sleeve, and the grooved sleeve can slide on the outer circle of the optical sleeve.
The utility model also provides a folding device of folding bicycle, including the folding department of a dress triangle frame low tube disconnection before folding bicycle, the scray between two pipe sections of separation, this scray contains a pivot, hinge and a positioning switch, its characterized in that:
the connector switch is mounted between two separated pipe sections at the proper position of the upper pipe of the frame, and comprises two fixing elements, each fixing element is respectively fixed on the end of the two separated pipe sections after the upper pipe is disconnected, a proper distance is left between the two opposite end faces of the two fixing elements, and a detachable connecting sleeve is positioned between the two fixing elements, can move along the central line direction of the upper pipe and fixedly connects the two fixing elements together.
Folding bicycle's folding device, its characterized in that: one fixing element in the joint switch is an optical sleeve, the other fixing element is a male threaded sleeve, and the coupling sleeve is a female threaded sleeve; wherein,
the light sleeve is fixed at one end of the pipe section of the upper pipe of the bicycle, and the outer diameter of the light sleeve is smaller than the aperture of the female thread sleeve;
the male thread sleeve is fixed at the pipe end of the pipe section of the upper bicycle pipe;
the female threads of the female threaded sleeve mate with the male threads of the male threaded sleeve, and the unthreaded end of the female threaded sleeve includes a bottom shoulder having a diameter greater than the outer diameter of the light sleeve.
Folding bicycle's folding device, its characterized in that: one fixing member in the joint switch is a light sleeve made of an elastic material, the other fixing member is a male screw sleeve, and the coupling sleeve is a female screw sleeve; wherein,
the light sleeve is fixed at the end of the pipe section of the upper pipe of the bicycle;
the male thread sleeve is fixed at the end of the pipe section of the upper pipe of the bicycle;
the female thread at one end of the female thread sleeve is matched with the male thread of the male thread sleeve; the unthreaded end of the female threaded sleeve is a unthreaded hole, and the optical sleeve is inserted into the unthreaded hole in a matching manner.
Folding bicycle's folding device, its characterized in that: the two fixing elements in the joint switch are two optical sleeves, the outer diameters of which are respectively fixed with a convex pin, and the connecting line of the centers of the two convex pins is parallel to the central line of a disconnected upper tube of the bicycle;
the coupling sleeve is a grooved sleeve; the excircle of the sleeve with the groove is provided with three arc-shaped through grooves which are parallel to each other, have the width matched with the outer diameter of the convex pin and have the same length, the distance between the two adjacent through grooves is equal, and one end of the through groove is provided with an L-shaped open groove towards one end of the sleeve with the groove along an outer cylindrical bus parallel to the central line of the upper pipe of the bicycle; an F-shaped open slot is formed at the same end of the open slots of the other two through slots to the other end of the sleeve with the slot along an outer cylindrical bus parallel to the center line of the upper tube of the bicycle; moreover, the inner diameter of the grooved sleeve is matched with the outer diameter of the optical sleeve, and the grooved sleeve can slide on the outer circle of the optical sleeve.
The folding device of the folding bicycle of the utility model is that one of the upper tube or the lower tube in the front triangle frame of the folding bicycle is disconnected at a proper position, a folder is arranged, and a joint switch is arranged at a proper position of the other tube; the joint switch comprises a fixing element fixed at one pipe section end of a disconnected pipe and a fixing element fixed at the other pipe section end after disconnection, and two opposite end surfaces of the two fixing elements are provided with proper intervals; and a detachable connecting sleeve which is positioned between the two fixing elements and can move along the central line direction of the pipe to fixedly connect the two fixing elements together.
The beneficial effects of the utility model are that can realize taking the folding of the bicycle of preceding triangle frame: when the folding is needed, the folder and the joint switch are opened in sequence, and then the folding can be carried out; when the bicycle needs to be used, the bicycle can be ridden by sequentially closing the joint switch and the folder.
[ description of the drawings ]
The following describes several embodiments of the present invention in detail with reference to the accompanying drawings and examples.
Fig. 1 is a perspective view of a conventional folder.
Fig. 2 is an exploded view of the folder of fig. 1.
Fig. 3 is a schematic view showing a state in which the joint switch B of the present invention is mounted on the lower tube of the bicycle.
Fig. 4 is a schematic view showing the folding state of the joint switch B of the present invention mounted on the lower tube of the bicycle.
Fig. 5 is a schematic view showing a use state of the joint switch B of the present invention mounted on a middle tube of a bicycle.
Fig. 6 is a schematic view showing the folding state of the joint switch B of the present invention mounted on the middle tube of the bicycle.
Fig. 7 is a schematic view of the usage state of the joint switch B of the present invention installed on the top tube of the bicycle.
Fig. 8 is a schematic view of the folding state of the joint switch B installed on the top tube of the bicycle.
Fig. 9 is an exploded view of a first embodiment of the joint switch of the present invention, that is, a state when the joint switch is opened.
Fig. 10 is a two-dimensional schematic of fig. 9.
Fig. 11 is a schematic view of the first embodiment of the joint switch according to the present invention in a closed state.
Fig. 12 is an exploded view of a second embodiment of the joint switch of the present invention, that is, a state when the joint switch is turned on.
Fig. 13 is a two-dimensional view of fig. 12.
Fig. 14 is a schematic view of a state of the second embodiment of the joint switch of the present invention when it is closed.
Fig. 15 is an exploded view of a third embodiment of a connector switch according to the present invention.
Fig. 16 is a two-dimensional view of fig. 15.
Fig. 17 is a schematic view of a state of the third embodiment of the connector switch of the present invention when it is closed.
[ detailed description of the invention ]
Referring to fig. 3 and 4, the folding device of the foldable bicycle of the present invention comprises a folder a installed between two tube sections separated at the front triangle frame upper tube I and the folding position of the bicycle front triangle frame, and a joint switch B installed between two tube sections separated at the front triangle frame lower tube II and the folding position of the bicycle front triangle frame lower tube.
Referring to fig. 9 to 11, in accordance with a first embodiment of the present invention, the joint switch B comprises two fixing elements, one of which is a light sleeve 11, the other of which is a male sleeve 31, and a coupling sleeve, which is a female sleeve 21; wherein, the optical sleeve 11 is fixedly assembled at one end of the disconnected tube section 4 of the lower tube II, and the outer diameter of the optical sleeve is smaller than the female thread aperture of the female thread sleeve 21; the male threaded sleeve 31 is fixedly fitted on one end of the pipe section 5 of the lower pipe II; a proper distance L1 is left between two opposite end faces of the optical sleeve 11 and the male threaded sleeve 31; the female thread of the female screw socket 21 matches the male thread of the male threaded socket 31 and the unthreaded end of the female screw socket 21 contains a bottom shoulder 211, the diameter of the bottom shoulder 211 being slightly larger than the outer diameter of the light socket 11.
When the bicycle is ready to be ridden, the joint switch B is closed, namely the female threaded sleeve 21 moves forwards along the central line of the pipe II and the female thread of the female threaded sleeve is screwed with the male thread of the male threaded sleeve 31 until the convex shoulder 211 presses the end face of the polishing sleeve 11; then the folding device A is closed to ride the bicycle; when the bicycle is to be folded, the bicycle can be folded into the state shown in fig. 6 by first opening the joint switch B, i.e., unscrewing and disengaging the threads of the female and male sleeves 21 and 31, and then opening the folder a.
Referring to fig. 12, 13 and 14, in order to implement the second embodiment of the present invention, the difference between the second embodiment of the present invention and the first embodiment is: one fixing element of the joint switch B is a light sleeve 12 made of an elastic material, the other fixing element is a male threaded sleeve 32, and the coupling sleeve is a female threaded sleeve 22; wherein, the optical sleeve 12 is fixed at the end of the pipe section 4 of the lower pipe II; the male threaded sleeve 32 is fixed at the end of the pipe section 5 of the lower pipe II; a suitable spacing L2 is left between the opposing end faces of the light sleeve 12 and the pin sleeve 32, the female thread at one end of the female sleeve 22 mating with the male thread of the pin sleeve 32; the unthreaded end of the sleeve is preferably a smooth hole, and the inner diameter of the smooth hole is preferably such that the sleeve 12 can be inserted after being applied with force. The elastic material of which the optical sleeve 12 is made may be rubber or resin with elasticity. The coupling between the light sleeve 12 and the female threaded sleeve 22 is achieved by deformation of the elastomeric material and by friction. Method of using the same and
the embodiments are similar.
Please refer to fig. 15, 16, and 17, which illustrate a third embodiment of the present invention, the difference between the third embodiment of the present invention and the first embodiment of the present invention is: the two fixing elements of the joint switch B are respectively an optical sleeve 13 and an optical sleeve 33, the outer diameter of which is fixed with a convex pin 131, and the connecting line of the centers of the two convex pins 131 is parallel to the central line of the lower pipe II; the optical sleeve 13 is fixed on the pipe section 4, and the optical sleeve 33 is fixed on the pipe section 5. The opposing end faces of the optical sleeves 13 and 33 are spaced apart by a suitable distance L3.
The coupling sleeve is a sleeve with a groove 23; the outer circle of the grooved sleeve 23 is provided with three arc-shaped through grooves 231, 232 and 233 which are parallel to each other, the width of each arc-shaped through groove is matched with the outer diameter of the convex pin 131, and the lengths of the arc-shaped through grooves are the same, meanwhile, the distance between the through grooves 231 and 232 is equal to the distance between the through grooves 232 and 233, one end of each through groove 231 is provided with an L-shaped open groove along an outer cylindrical bus parallel to the central line of the lower tube II, the same end of each through groove 232 as the open groove of the through groove 231 is provided with an F-shaped open groove along an outer cylindrical bus parallel to the central line of the disconnected tube towards the other end of the grooved sleeve 23, in addition, the inner diameter of the grooved sleeve 23 is respectively matched with the outer diameters of the optical sleeves 13 and 33, and.
When the joint switch B needs to be closed, the slotted sleeve 23 is moved along the center line of the pipe and its L-shaped notch and F-shaped notch are aligned with the two pins 131, respectively, and then the coupling sleeve 23 is rotated by an angle, so that the two pipe sections 4 and 5 are coupled together as shown in fig. 17, and when the switch B needs to be opened, the slotted sleeve 23 is rotated in the reverse direction, and then the pipe sections 4 and 5 are moved toward the pipe section 4, so that the pipe sections 4 and 5 can be disconnected as shown in fig. 16.
Please refer to fig. 5 and fig. 6, which are a schematic diagram of a usage state and a schematic diagram of a folded state of the folding device of the folding bicycle according to the present invention, respectively, in which the lower tube II of the front triangle frame of the bicycle is disconnected, a folder a is installed at the disconnected position, and the connector switch B is installed at the disconnected position of the middle tube III.
The specific structure of the joint switch B installed at the cut-off position of the middle pipe III can respectively adopt the three embodiments of the joint switch B described above.
Please refer to fig. 7 and 8, which are a schematic diagram of a usage state and a schematic diagram of a folded state of the joint switch B of the folding device of the foldable bicycle of the present invention installed on the upper tube of the bicycle, respectively, in which the lower tube II of the front triangle frame of the bicycle is disconnected, a folder a is installed at the disconnected position, and the joint switch B is installed at the disconnected position of the upper tube I.
Claims (12)
1. A folding device of a folding bicycle, comprising: a dress is at the scray between two pipe sections of folding department's separation of triangle frame top tube disconnection before folding bicycle, and this scray contains a pivot, hinge and a positioning switch, its characterized in that:
the connector switch is arranged between two separated pipe sections at the broken and folded position of the lower pipe of the frame and comprises two fixing elements, the two fixing elements are respectively fixed on the ends of the two disconnected pipe sections, a distance is reserved between the two opposite end surfaces of the two fixing elements, and a detachable connecting sleeve for fixedly connecting the two fixing elements together is arranged between the two fixing elements.
2. The folding device for a folding bicycle according to claim 1, wherein: one fixing element in the joint switch is an optical sleeve (11), the other fixing element is a male threaded sleeve (31), and the coupling sleeve is a female threaded sleeve (21); wherein,
the light sleeve (11) is fixed at one end of a pipe section (4) of a lower pipe of the bicycle, and the outer diameter of the light sleeve is smaller than the diameter of a female thread hole of the female thread sleeve (21);
the male thread sleeve (31) is fixedly arranged at the pipe end of the pipe section (5) of the lower bicycle pipe;
the female thread of the female threaded sleeve (21) is threadedly engaged with the male thread of the male threaded sleeve (31), the unthreaded end of the female threaded sleeve (21) including a bottom shoulder (211), the bottom shoulder (211) having a diameter greater than the outer diameter of the light sleeve (11).
3. The folding device for a folding bicycle according to claim 1, wherein: one of the fixing elements in the joint switch is a light sleeve (12) made of an elastic material, the other fixing element is a male threaded sleeve (32), and the coupling sleeve is a female threaded sleeve (22); wherein,
the light sleeve (12) is fixed at the end of the pipe section (4) of the lower pipe of the bicycle;
the male thread sleeve (32) is fixed at the end of the pipe section (5) of the lower bicycle pipe;
the female thread at one end of the female threaded sleeve (22) matches the male thread of the male threaded sleeve (32); the unthreaded end of the female threaded sleeve (22) is a light hole into which the light sleeve (12) is fittingly inserted.
4. The folding device for a folding bicycle according to claim 1, wherein: the two fixing elements in the joint switch are two optical sleeves (13) and (33) respectively fixed with a convex pin (131) on the outer diameter, and the connecting line of the centers of the two convex pins (131) is parallel to the central line of a disconnected lower bicycle pipe;
the coupling sleeve is a slotted sleeve (23); the excircle of the grooved sleeve (23) is provided with three arc through grooves (231), (232) and (233) which are parallel to each other, have the width matched with the outer diameter of the convex pin (131) and have the same length, the distance between the through grooves (231) and (232) is equal to the distance between the through grooves (232) and (233), one end of the through groove (231) is provided with an L-shaped open groove towards one end of the grooved sleeve (23) along the outer cylindrical generatrix parallel to the central line of the bicycle lower tube, and the same end of the open groove (232) and the through groove (231) is provided with an F-shaped open groove towards the other end of the grooved sleeve (23) along the outer cylindrical generatrix parallel to the central line of the bicycle lower tube; the inner diameter of the grooved sleeve (23) is matched to the outer diameter of the optical sleeves (13) and (33), respectively, and the grooved sleeve (23) is slidable on the outer circumferences of the optical sleeves (13) and (33).
5. A folding device of a folding bicycle, comprising: a dress is at folder between two pipe sections of folding department separation of folding lower tube disconnection of folding bicycle front triangle frame, this folder contains a pivot (61), hinge (62) and a positioning switch (63), its characterized in that:
the connector switch is mounted between two separated pipe sections at proper position of middle pipe of frame, and includes two fixing elements, these fixing elements are respectively fixed on the ends of two separated pipe sections, and between two opposite end faces of these two fixing elements a proper distance is left, and a detachable connecting sleeve is positioned between these two fixing elements, can be moved along the central line direction of middle pipe to fixedly connect two fixing elements together.
6. The folding device for a folding bicycle according to claim 5, wherein: one fixing element in the joint switch is an optical sleeve (11), the other fixing element is a male threaded sleeve (31), and the coupling sleeve is a female threaded sleeve (21); wherein,
the light sleeve (11) is fixed at one end of the pipe section (4) of the middle pipe of the bicycle, and the outer diameter of the light sleeve is smaller than the female thread aperture of the female thread sleeve (21);
the male thread sleeve (31) is fixedly arranged at the pipe end of a pipe section (5) of a middle pipe of the bicycle;
the female thread of the female threaded sleeve (21) mates with the male thread of the male threaded sleeve (31), the unthreaded end of the female threaded sleeve (21) including a bottom shoulder (211), the bottom shoulder (211) having a diameter greater than the outer diameter of the light sleeve (11).
7. The folding device for a folding bicycle according to claim 5, wherein: one of the fixing elements in the joint switch is a light sleeve (12) made of elastic material, the other fixing element is a male threaded sleeve (32), and the coupling sleeve is a female threaded sleeve (22); wherein,
the optical sleeve (12) is fixed at the end of the pipe section (4) of the middle pipe of the bicycle;
the male thread sleeve (32) is fixed at the end of the pipe section (5) of the middle pipe of the bicycle;
the female thread at one end of the female threaded sleeve (22) matches the male thread of the male threaded sleeve (32); the unthreaded end of the female threaded sleeve (22) is a light hole into which the light sleeve (12) is fittingly inserted.
8. The folding device for a folding bicycle according to claim 5, wherein: the two fixing elements in the joint switch are two optical sleeves (13) and (33) respectively fixed with a convex pin (131) on the outer diameter, and the connecting line of the centers of the two convex pins (131) is parallel to the center line of a disconnected bicycle middle tube;
the coupling sleeve is a slotted sleeve (23); the excircle of the grooved sleeve (23) is provided with three arc-shaped through grooves (231), (232) and (233) which are parallel to each other, have the width matched with the outer diameter of the convex pin (131) and have the same length, the distance between the through grooves (231) and (232) is equal to the distance between the through grooves (232) and (233), and one end of the through groove (231) is provided with an L-shaped open groove towards one end of the grooved sleeve (23) along an outer cylindrical generatrix which is parallel to the central line of the bicycle middle tube; an F-shaped open slot is arranged at the same end of the open slot (232) and the open slot of the through slot (231) along an outer cylindrical bus bar parallel to the center line of the bicycle middle tube to the other end of the slotted sleeve (23), the inner diameter of the slotted sleeve (23) is respectively matched with the outer diameter of the optical sleeves (13) and (33), and the slotted sleeve (23) can slide on the outer circles of the optical sleeves (13) and (33).
9. The utility model provides a folding device of folding bicycle, includes that one adorns the folding department of triangle frame lower tube disconnection before folding bicycle, the scray between two pipe sections of separation, this scray contains a pivot (61), hinge (62) and a positioning switch (63), its characterized in that:
the connector switch is mounted between two separated pipe sections at the proper position of the upper pipe of the frame, and comprises two fixing elements, each fixing element is respectively fixed on the end of the two separated pipe sections after the upper pipe is disconnected, a proper distance is left between the two opposite end faces of the two fixing elements, and a detachable connecting sleeve is positioned between the two fixing elements, can move along the central line direction of the upper pipe and fixedly connects the two fixing elements together.
10. The folding device for a folding bicycle of claim 9, wherein: one fixing element in the joint switch is an optical sleeve (11), the other fixing element is a male threaded sleeve (31), and the coupling sleeve is a female threaded sleeve (21); wherein,
the light sleeve (11) is fixed at one end of a pipe section (4) of an upper pipe of the bicycle, and the outer diameter of the light sleeve is smaller than the female thread hole diameter of the female thread sleeve (21);
the male thread sleeve (31) is fixed at the pipe end of a pipe section (5) of an upper pipe of the bicycle;
the female thread of the female threaded sleeve (21) mates with the male thread of the male threaded sleeve (31), the unthreaded end of the female threaded sleeve (21) including a bottom shoulder (211), the bottom shoulder (211) having a diameter greater than the outer diameter of the light sleeve (11).
11. The folding device for a folding bicycle of claim 9, wherein: one fixing element in the joint switch is a light sleeve (12) made of an elastic material, the other fixing element is a male threaded sleeve (32), the coupling sleeve is a female threaded sleeve (22); wherein,
the light sleeve (12) is fixed at the end of the pipe section (4) of the upper pipe of the bicycle;
the male thread sleeve (32) is fixed at the end of the pipe section (5) of the upper pipe of the bicycle;
the female thread at one end of the female threaded sleeve (22) matches the male thread of the male threaded sleeve (32); the unthreaded end of the female threaded sleeve (22) is a light hole into which the light sleeve (12) is fittingly inserted.
12. The folding device for a folding bicycle of claim 9, wherein: the two fixing elements in the joint switch are two optical sleeves (13) and (33) respectively fixed with a convex pin (131) on the outer diameter, and the connecting line of the centers of the two convex pins (131) is parallel to the center line of a disconnected bicycle upper tube;
the coupling sleeve is a slotted sleeve (23); the excircle of the grooved sleeve (23) is provided with three arc-shaped through grooves (231), (232) and (233) which are parallel to each other, have the width matched with the outer diameter of the convex pin (131) and have the same length, the distance between the through grooves (231) and (232) is equal to the distance between the through grooves (232) and (233), and one end of the through groove (231) is provided with an L-shaped open groove towards one end of the grooved sleeve (23) along an outer cylindrical bus parallel to the center line of the upper pipe of the bicycle; an F-shaped open slot is formed at the same end of the open slot of the through slot (232) and the through slot (231) along an outer cylindrical bus parallel to the center line of the upper tube of the bicycle to the other end of the slotted sleeve (23); the inner diameter of the grooved sleeve (23) is matched to the outer diameter of the optical sleeves (13) and (33), respectively, and the grooved sleeve (23) is slidable on the outer circumferences of the optical sleeves (13) and (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03272891 CN2640901Y (en) | 2003-07-16 | 2003-07-16 | Folding gear of folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03272891 CN2640901Y (en) | 2003-07-16 | 2003-07-16 | Folding gear of folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2640901Y true CN2640901Y (en) | 2004-09-15 |
Family
ID=34301258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03272891 Expired - Fee Related CN2640901Y (en) | 2003-07-16 | 2003-07-16 | Folding gear of folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2640901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407535A (en) * | 2013-07-16 | 2013-11-27 | 管永豪 | Bicycle folding mechanism |
-
2003
- 2003-07-16 CN CN 03272891 patent/CN2640901Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407535A (en) * | 2013-07-16 | 2013-11-27 | 管永豪 | Bicycle folding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |