CN201580495U - Combined improved structure of handle bar and front fork pipe of folding bicycle - Google Patents
Combined improved structure of handle bar and front fork pipe of folding bicycle Download PDFInfo
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- CN201580495U CN201580495U CN2009202331037U CN200920233103U CN201580495U CN 201580495 U CN201580495 U CN 201580495U CN 2009202331037 U CN2009202331037 U CN 2009202331037U CN 200920233103 U CN200920233103 U CN 200920233103U CN 201580495 U CN201580495 U CN 201580495U
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Abstract
The utility model discloses a combined improving structure of a handle bar and a front fork pipe a folding bicycle, which comprises a handle bar. The lower end of the handle bar is connected with a folding device, the folding device comprises an upper shell, a lower shell, a combining part and a rapid removing part, the lower portion of the lower shell of the folding device is connected with a middle pipe fitting, a front fork pipe is inserted into the middle pipe fitting, a penetrating hole is arranged in the center of the lower shell of the folding device and tightly combined with the top end of the front fork pipe, the lower shell body of the folding device is provided with a combined block group, and the combined block group is combined with the front fork pipe and the lower shell. The structure can screw and combine the handle bar and the front fork pipe of the folding bicycle inside in a vertical stretching mode on assembly, the folding bicycle can not be loosened due to forcible vibration to cause accidents, and the stability of vehicles and personnel safety can be improved.
Description
Technical field
The utility model relates to the combined structure of a kind of folding bicycle handlebar stem and front fork tube, the structure that can firmly combine between the handlebar stem that refers to a kind of folding bicycle especially and front fork tube.
Background technology
By the combined structure between general folding bicycle handlebar stem and front fork tube mainly have an outer tube, an inner sleeve and is tightened block set, on the tube wall of outer tube, offer a pair of slotted eye and with wait the corresponding screw of slotted eye, and make and wait slotted eye to have one can to pass to the interior through hole of outer tube; During assembling, insert earlier inner sleeve in the outer tube after, will tighten block set again and place on the slotted eye of outer tube, and use a screw rod to penetrate to tighten in block set and the screw and screw tight, make the inclined-plane of tightening block set can oppress inner sleeve, with its strong fix in outer tube.Yet because of outer, inner sleeve is to do the combination that locks with screw rod from outside, so if bicycle gets loose because of vibration causes screw rod after using a period of time, easily meet accident.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides the combine structure-improved of a kind of folding bicycle handlebar stem with front fork tube, firmly combines between the handlebar stem that this structural improvement can make folding bicycle and front fork tube and is difficult for getting loose.
The utility model for the technical scheme that solves its technical matters and adopt is: the structure-improved that combines of a kind of folding bicycle handlebar stem and front fork tube, it comprises leader's bar, the handlebar stem lower end links a folder, and folder comprises a upper shell, a lower house, a conjunction and a Fast detachable unit; The lower house below of folder connects a middle pipe fitting, and establishes a front fork tube in middle pipe fitting interpolation; The lower house centre of folder offers one first perforation, the front fork tube top closely plugs together in first perforation, the lower house of folder is provided with the combined block group, the combined block group engages with front fork tube and lower house simultaneously, handlebar stem can firmly be combined with front fork tube, the combined block group is welding or other secure bond (as expanded joint) with engaging of front fork tube, and the combined block group is to be fitted to each other with engaging of lower house.
Further technical scheme of the present utility model is:
Establish one the 4th perforation on the periphery of described lower house, the inboard of lower house has an arc opening to communicate with first perforation of lower house, and the tail end of the 4th perforation forms second screw; Be provided with one in conjunction with sleeve, compel to connect face, receive in the 4th perforation in conjunction with sleeve in conjunction with having an arc on sleeve one side periphery, arc compels to connect in the face of this arc opening just, arc is compeled to connect face and is affixed on the front fork tube surface, and second screw rod wears in the 4th perforation, and spiral shell advances second screw and screwed tight.
Described combined block group is cylindric, is divided into symmetrical oblique juxtaposed combined block and the combined block down gone up that be, and the shaft that last combined block is provided with for a screw rod wore perforation, and following combined block then is provided with first screw that supplies a screw rod to be spirally connected; The end face of last combined block stretches out laterally and forms a contacting wall, and contacting wall just can install in first perforated top surface of lower house and enlarge arrival slot place that forms and the top of suppressing front fork tube simultaneously; The perforation of last combined block is above to be enlarged internal diameter and forms one and hold groove for what the bar head rest of screw rod was put, and this scheme combined block group is an expanded joint with engaging of front fork tube.
Described combined block group is cylindric, by oblique and put be much of combined block relatively, down combined block and a butt piece are formed, wherein, the diapire of butt piece is provided with one second perforation, the end face of butt piece stretches out laterally and forms a contacting wall, contacting wall just can install in first perforated top surface of lower house and enlarge arrival slot place that forms and the top of suppressing front fork tube simultaneously, and the inside of butt piece then forms one and holds groove; Last combined block is equipped with the perforation that wears for a screw rod shaft, and perforation is bored a hole with second of butt piece and put; Following combined block then is provided with first screw that supplies a screw rod to be spirally connected, and this scheme combined block group is an expanded joint with engaging of front fork tube.
Described combined block group is cylindric, is made up of a combined block and a butt piece, and the diapire of butt piece is provided with the 3rd perforation that wears for a screw rod shaft, and the end face of butt piece stretches out laterally and forms a contacting wall, and the inside of butt piece then forms one and holds groove; The combined block diapire is provided with a screw that supplies a screw rod to be spirally connected, the perisporium of combined block is upwards high to be risen and innerly forms one and first hold groove for the butt piece by what put, combined block is inserted in the inner tip of this front fork tube, and make the apical margin of this combined block concordant with the apical margin of this front fork tube, then with the two apical margin solid welding, then this butt piece being received into first of this combined block holds in the groove, the contacting wall of this butt piece is installed in arrival slot place that first perforated top surface expansion of this lower house forms and the apical margin of suppressing this front fork tube and this combined block simultaneously, wore perforation by the shaft of this screw rod again and be spirally connected with this screw, and the bar head rest that makes this screw rod places this to hold in the groove, and this scheme is: the combined block group is welding with engaging of front fork tube.
Described handlebar stem is provided with a holder, and holder just can be positioned Fast detachable unit handlebar stem one side.
Described Fast detachable unit is provided with the button handsetting of may command Fast detachable unit motion, concrete structure is: the drive bar shaft pertaining piece of conjunction is provided with a draw-in groove, also be provided with a clamping rod, clamping rod be subjected to an elastic body the elastic force effect and in the draw-in groove on the permanent drive bar shaft pertaining piece that supports this conjunction (locate with this drive rod end head axle piece), the action of button handsetting control clamping rod; Operating principle is: button handsetting is stirred the clip of inner set clamping rod release to the drive bar shaft pertaining piece of this conjunction, pull this Fast detachable unit with this and make this drive bar skew of interlock, and then drive this conjunction and leave upper and lower casing, this upper and lower casing can be opened; And when decontroling the stirring of this button handsetting, this clamping rod can be subjected to an elastomeric elastic force effect and the permanent drive bar shaft pertaining piece that props up this conjunction, when the draw-in groove on the shaft pertaining piece of this drive bar arrived the location, this clamping rod promptly supported in this draw-in groove, just can't pull Fast detachable unit.
The same side of the upper and lower casing of described folder all is provided with circular axis hole and hinged, the shaft pertaining piece group that Fast detachable unit is placed in the upper and lower casing opposite face central space activity of the folder after hinged; The drive bar shaft pertaining piece of conjunction is placed in space in the middle of this shaft pertaining piece group; Establish a slotted eye on the shaft pertaining piece group of Fast detachable unit, slotted eye has a wide nose circle and a narrow nose circle, and wide nose circle is corresponding with the axis hole of upper and lower casing, and long shaft rod wore the axis hole of upper and lower casing and the wide nose circle of slotted eye, wore the location by long shaft rod; The narrow nose circle of slotted eye then wears the location for a stub shaft, establishes a big hole on the shaft pertaining piece of the drive bar of conjunction, and activity simultaneously wore long shaft rod and stub shaft in the big hole, and plugged a spacing block between long shaft rod and stub shaft.This Fast detachable unit is the rotational action that the axle center is done with this long shaft rod, can drive this stub shaft and make eccentric rotary, and then push away and make this this conjunction of drive lever linkage do straight line advance and retreat motion.
On the folder, the same side of lower house all is provided with circular axis hole and hinged, on the folder after hinged, lower house opposite face central space then receives into for the shaft pertaining piece group activity of this Fast detachable unit, a big axis hole and a little axis hole then established on the shaft pertaining piece group of this Fast detachable unit in space in the middle of this shaft pertaining piece group, this big axis hole with should on, the axis hole correspondence of lower house, the long shaft rod activity wore, the axis hole of lower house and big axis hole, wear the location by long shaft rod, this little axis hole then wears the location for a stub shaft activity, offer a big hole on the shaft pertaining piece of this drive bar, big hole activity simultaneously wore long shaft rod and stub shaft.This Fast detachable unit is the rotational action that the axle center is done with this long shaft rod, can drive this stub shaft and make eccentric rotary, and then push away and make this this conjunction of drive lever linkage do straight line advance and retreat motion.
The beneficial effects of the utility model are: the handlebar stem of folding bicycle can be done being spirally connected of stretched vertically formula with front fork tube in inside in the assembling and engage, make and can not be subjected to big force vibration and get loose, cause accident, improved the stability of vehicle and the safety of the person, and this example is simple in structure, cost is lower.
Description of drawings
Figure 1 shows that stereoscopic figure of the present utility model;
Figure 2 shows that the view sub-anatomy of embodiment one of the present utility model;
Figure 3 shows that the assembled sectional view of embodiment one of the present utility model;
Figure 4 shows that the view sub-anatomy of embodiment two of the present utility model;
Figure 5 shows that the assembled sectional view of embodiment two of the present utility model;
Figure 6 shows that the view sub-anatomy of embodiment three of the present utility model;
Figure 7 shows that the assembled sectional view of embodiment three examples of the present utility model;
Figure 8 shows that the outward appearance lateral plan of embodiment of the present utility model;
Figure 9 shows that the lower house of embodiment of the present utility model and the cutaway view that combines of front fork tube.
The primary clustering nomenclature
10---handlebar stem 20---folder 21---upper shell
The 22---lower house 221---first perforation 222---arrival slot
223---the 4th perforation 224---second screw 225---is in conjunction with sleeve
The 226---second screw rod 23---conjunction 24---Fast detachable unit
Pipe fitting in the middle of the 241---holder 242---button handsetting 30---
31---bush ring 40---front fork tube 50---screw rod
60---axle sleeve 61---groove 62---sealing packing ring
70---combined block group 71---goes up combined block 711---perforation
712---contacting wall 713---holds combined block under the groove 72---
721---first screw 70 '--combined block group 71 '---last combined block
711 '--perforation 72 '--following combined block 721 '---the first screw
73 '--butt piece 731 '--second perforation 732 '---contacting wall
733 '--hold groove 70 "--combined block group 71 "---combined block
711 "--screw 712 "--first holds groove 73 "---butt piece
731 "--the 3rd perforation 732 "--contacting wall 733 "---hold groove
The specific embodiment
The structure-improved that combines of a kind of folding bicycle handlebar stem and front fork tube, has leader's bar 10, its upper end joins with bicycle handle, the lower end then links a folder 20, it opens mat and bicycle handle and handlebar stem 10 can be folded fold, and folder 20 mainly is made up of a upper shell 21, a lower house 22, a conjunction 23 and a Fast detachable unit 24; The function of conjunction 23 is when upper shell 21 and lower house 22 closures, utilize eccentric action to make upper and lower casing 21,22 sides of conjunction 23 after closure draw close clip by Fast detachable unit 24, so that 21,22 of the upper and lower casings after the closure are reached firm combination, then Fast detachable unit 24 more can be subjected to one be fixed on the handlebar stem 10 holder 241 (as shown in Figure 1, its be a kind of effect of " safety switch ") gives clamping, to increase safety; And reverse operating Fast detachable unit 24, then can make upper and lower casing 21,22 sides of 23 pairs of closures of conjunction remove clip, so that 21,22 of upper and lower casings can open, pipe fitting 30 in the middle of folder 20 belows articulate one, in order to being connected with middle support body that bicycle extends back, and in middle pipe fitting 30 a sheathed front fork tube 40, front fork tube 40 engages with the lower house 22 of folder 20, front fork tube 40 bottoms form inverted U, and promptly the front-wheel for bicycle is assembled into; So the handle of operation bicycle can make handlebar stem 10 drive the synchronous start of front fork tube 40 interlock front-wheels (keep straight on or turn).
Embodiment one: as shown in Figures 2 and 3, lower house 22 centre of folder 20 offer one first perforation 221, placed in first perforation 221 behind the pipe fitting 30 in the middle of bottom-up the wearing in confession front fork tube 40 tops, and the outer wall of front fork tube 40 is just done closely connected the joint with the inwall of first perforation 221, plug in the top of front fork tube 40 then into one group of cylindrical combined block group 70, be divided into symmetrical oblique juxtaposed last combined block 71 and the following combined block 72 of being, last combined block 71 has a perforation 711 and can wear for the shaft of a screw rod 50,72 of following combined blocks have one first screw 721, are spirally connected for screw rod 50; The end face of last combined block 71 stretches out laterally and forms a contacting wall 712, enlarges arrival slot 222 places that form and the top of suppressing front fork tube 40 simultaneously and just can install in first perforation, 221 end faces of lower house 22; The perforation of last combined block 71 enlarges internal diameter formation one and holds groove 713 more than 711, put for the bar head rest of screw rod 50, and make bar crown face be starkly lower than the end face (shown in Figure 3) of combined block 71; Be equipped with an axle sleeve 60 at lower house 22 and 30 of middle pipe fittings, axle sleeve 60 tops are provided with a groove 61, for placing a sealing packing ring 62; Middle pipe fitting 30 tops and bottom all have the bush ring 31 of a rub resistance, make the more driving fit of binding of 40 of middle pipe fitting 30 and folder 20 and front fork tubes;
Again after embodiment one assembling as shown in Figure 3, the assembler is about to screw rod 50 and firmly screws, and in the process that screws because of under combined block 72 have the strength that continuation is up moved, but because of last combined block 71 is limited and can't moves, it is powerful so 71,72 of upper and lower combined blocks can produce skew against the inboard wall body of living front fork tube 40, form the effect that firmly combines with front fork tube 40, the related handlebar stem 10 that makes is reached firm the combination with front fork tube 40.
Embodiment two: as shown in Figure 4 and Figure 5: adopt the same components symbol with embodiment one same pieces, institute's difference is in and plugs cylindrical combined block group 70 ' in front fork tube 40 tops by oblique and put to be and be much of 71 ' time combined block 72 ' of combined block relatively and a butt piece 73 ' institute forms, wherein, the diapire of butt piece 73 ' is provided with one second perforation 731 ', end face stretches out formation one contacting wall 732 ' laterally and just can install in arrival slot 222 places that first perforation, the 221 end faces expansion of lower house 22 forms and the top of suppressing front fork tube 40 simultaneously, and the inside of butt piece 73 ' then forms one and holds groove 733 '; Last combined block 71 ' is equipped with a perforation 711 ', be can with second perforation 731 ' and put of butt piece 73 ', and wore for the shaft of a screw rod 50, the bar head of screw rod 50 also promptly is placed in and holds in the groove 733 ', and makes bar crown face be starkly lower than the end face (as shown in Figure 5) of butt piece 73 '; Following combined block 72 ' then has one first screw 721 ' and is spirally connected for screw rod 50;
Again after embodiment two assembling as shown in Figure 5, the assembler can firmly screw screw rod 50, make the following combined block 72 ' of drive that the tendency that up moves be arranged, but because of limited by last combined block 71 ' and butt piece 73 ' can't on move, powerful so have to produce skew against the inboard wall body of living front fork tube 40, form the effect that firmly combines with front fork tube 40, related 40 of handlebar stem 10 and the front fork tubes of making reached firm the combination.
Embodiment three: the identical i.e. employing same components symbol of the contexture of embodiment three and embodiment one, embodiment two as shown in Figure 6 and Figure 7, and do not add to give unnecessary details its structure; Institute's difference is in front fork tube 40 tops and plugs cylindrical combined block group 70 " by a combined block 71 " and a butt piece 73 " institute forms; wherein; butt piece 73 " diapire is provided with the 3rd perforation 731 " can wear for a screw rod 50; end face stretches out formation one contacting wall 732 laterally ", inside then forms one and holds groove 733 "; Combined block 71 " have one first screw 711 in diapire ", perisporium upwards high rising and form one first in inside and hold groove 712 "; During assembling, earlier with combined block 71 " be inserted in the inner tip of front fork tube 40; and make combined block 71 " apical margin concordant with the apical margin of front fork tube 40, being about to the two apical margin is then welded fixing, then with butt piece 73 " receive into combined block 71 " first hold groove 712 " in; and make butt piece 73 " contacting wall 732 " just install in first perforation, 221 end faces of lower house 22 enlarge arrival slot 222 places that form and suppress front fork tube 40 and combined block 71 simultaneously " apical margin, this moment, the butt piece 73 " diapire and combined block 71 " diapire between a gap is still arranged, at last the shaft by screw rod 50 wore the 3rd perforation 731 " and the gap and with first screw 711 " be spirally connected, and the bar head rest that makes screw rod 50 place hold groove 733 " in, and make bar crown face be starkly lower than butt piece 73 " end face (as shown in Figure 7);
Again after embodiment three assembling as shown in Figure 7, the assembler can firmly screw screw rod 50, make and drive butt piece 73 " contacting wall 732 " powerful compacting stay arrival slot 222 and the front fork tube 40 and combined block 71 of housing 22 " and apical margin, make 40 of handlebar stem 10 and front fork tubes reach firm the combination.
Above-mentioned integral body after being assembled by handlebar stem 10, folder 20 (containing upper shell 21, lower house 22, conjunction 23 and Fast detachable unit 24) and middle pipe fitting 30 and front fork tube 40, by the side look can be as shown in Figure 8, wherein on Fast detachable unit 24, more can install a button handsetting 242, its effect is in order to stir the clip of inner set clamping rod release to the drive bar shaft pertaining piece of conjunction 23, so can pull Fast detachable unit 24 makes interlock drive the bar skew, and then drive conjunction 23 and leave upper and lower casing 21,22, open will wait upper and lower casing 21,22; When decontroling to the stirring of button handsetting 242, clamping rod can be subjected to an elastomeric elastic force effect and the persevering effect that props up the drive bar shaft pertaining piece of conjunction 23, so when a draw-in groove arrives the location on the shaft pertaining piece that drives bar, clamping rod also just in time supports in the draw-in groove, the drive bar of conjunction 23 can't be offset arbitrarily, with the safety of gain single-piece, so button handsetting 242 is the effects of a kind of " safety switch ".
The combination of folder 20 itself, be that same side at upper and lower casing 21,22 all is provided with circular axis hole and can be hinged, upper and lower casing 21,22 opposite face central space after hinged then receive into for the shaft pertaining piece group activity of Fast detachable unit 24, and the space in the middle of axle piece group then receives into for the drive bar shaft pertaining piece of conjunction 23; Can establish a slotted eye (Fig. 2 and shown in Figure 3) on the shaft pertaining piece group of Fast detachable unit 24, slotted eye has a wide nose circle and a narrow nose circle, wide nose circle can be with last, lower house 21,22 axis hole correspondence, wore by a long shaft rod again and located, narrow nose circle then wears the location for a stub shaft, then offer a big hole on the shaft pertaining piece of drive bar, confession long shaft rod and stub shaft all activity wore, and then between long shaft rod and stub shaft, plug a spacing block, so after the combination, Fast detachable unit 24 is the rotational action that the axle center is done with the long shaft rod, can drive stub shaft and make eccentric rotary, and then push away to make and drive lever linkage conjunction 23 and do the motion of straight line advance and retreat.Or, can directly establish a big hole and a small sircle hole (as shown in Figure 6 and Figure 7) on the shaft pertaining piece group of Fast detachable unit 24, big hole is corresponding with the axis hole of upper and lower casing 21,22, located and wear by long shaft rod, small sircle hole then wears the location for stub shaft, so after the combination, is the rotational action that the axle center is done by Fast detachable unit 24 with the long shaft rod equally then, can drive stub shaft and make eccentric rotary, and then push away to make and drive lever linkage conjunction 23 and do the motion of straight line advance and retreat.
The foregoing description one, two, three all is to combine with lower house 22 by the combined block group in the inside of front fork tube 40, in fact also can externally be aided with combined structure as shown in Figure 9, it is to wear one the 4th perforation 223 on the body periphery of lower house 22, its inboard of facing lower house 22 has first perforation 221 of an arc opening and lower house 22 to communicate, and the tail end of the 4th perforation 223 then changes and forms one second screw 224; Have one in conjunction with sleeve 225, have an arc on one side periphery and compel to connect face, after receiving in the 4th perforation 223 in conjunction with sleeve 225, arc is compeled to connect face and is just aligned this arc opening, therefore after first of lower house 22 perforation 221 interpolations are inserted front fork tube 40, arc is compeled the outer wall that the face that connects is promptly pasting front fork tube 40, wear into the 4th perforation 223 by one second screw rod 226 then, and be that spiral shell advances second screw 224 and screwed tight, then compeling to connect face in conjunction with the arc of sleeve 225 pushed by second screw rod 226 and the outer wall of front fork tube 40 is done the packing effect, make front fork tube 40 in being subjected to, under the effect of outer packing combination, reach the effect of combining closely with lower house 22 works.
Claims (9)
1. the structure-improved that combines of a folding bicycle handlebar stem and front fork tube, it is characterized in that: comprise leader's bar (10), handlebar stem (10) lower end links a folder (20), and folder (20) comprises a upper shell (21), a lower house (22), a conjunction (23) and a Fast detachable unit (24); The lower house below of folder connects a middle pipe fitting (30), and establishes a front fork tube (40) in middle pipe fitting interpolation; The lower house centre of folder offers one first perforation (221), and the front fork tube top closely plugs together in first perforation (221), and the lower house of folder is provided with combined block group (70), and combined block group (70) engages with front fork tube and lower house simultaneously.
2. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: establish one the 4th perforation (223) on the periphery of lower house (22), the inboard of lower house has an arc opening to communicate with first perforation (221) of lower house, and the tail end of the 4th perforation (223) forms second screw (224); Be provided with one in conjunction with sleeve (225), compel to connect face in conjunction with having an arc on sleeve (225) one side peripheries, receive in the 4th perforation (223) in conjunction with sleeve, arc compels to connect in the face of this arc opening just, arc is compeled to connect face and is affixed on the front fork tube surface, second screw rod (226) wears in the 4th perforation (223), and spiral shell advances second screw (224) and screwed tight.
3. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: described combined block group (70) is cylindric, be divided into symmetrical oblique juxtaposed last combined block (71) and the following combined block (72) of being, the shaft that last combined block is provided with for a screw rod (50) wore perforation (711), and following combined block then is provided with first screw (721) that supplies a screw rod (50) to be spirally connected; The end face of last combined block stretches out laterally and forms a contacting wall (712), and contacting wall (712) just can install in first perforation (221) end face of lower house and enlarge arrival slot place that forms and the top of suppressing front fork tube simultaneously; The perforation of last combined block (711) is above to be enlarged internal diameter and forms one and hold groove (713) for what the bar head rest of screw rod (50) was put.
4. the integrated structure improvement of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: described combined block group (70 ') is cylindric, by oblique and put to be and be much of combined block (71 ') relatively, a following combined block (72 ') and a butt piece (73 ') are formed, wherein, the diapire of butt piece is provided with one second perforation (731 '), the end face of butt piece stretches out laterally and forms a contacting wall (732 '), contacting wall (732 ') just can install in first perforation (221) end face of lower house and enlarge arrival slot place that forms and the top of suppressing front fork tube simultaneously, and the inside of butt piece then forms one and holds groove (733 '); Last combined block is equipped with the perforation (711 ') that wears for a screw rod shaft, and perforation (711 ') is bored a hole with second of butt piece and put; Following combined block then is provided with first screw (721 ') that supplies a screw rod (50) to be spirally connected.
5. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: described combined block group (70 ") is cylindric; institute forms by a combined block (71 ") and a butt piece (73 "); the diapire of butt piece is provided with one for the 3rd boring a hole of wearing of a screw rod (50) shaft (731 "), the end face of butt piece stretches out laterally and forms a contacting wall (732 "), and the inside of butt piece then forms one and holds groove (733 "); The combined block diapire is provided with one for the screw that is spirally connected of a screw rod (50) (711 "); the perisporium of combined block is upwards high to be risen and innerly form one and first hold groove (712 ") for butt piece (73 ") by what put; combined block (71 ") is inserted in the inner tip of this front fork tube, the apical margin of this combined block (71 ") is concordant with the apical margin of this front fork tube; the two apical margin solid welding; this butt piece receives into first of this combined block and holds in the groove (712 "), the contacting wall of this butt piece installs in first perforation (221) end face of this lower house and enlarges the apical margin that the arrival slot place that forms also suppresses this front fork tube and this combined block simultaneously, the shaft of this screw rod wore first perforation and was spirally connected with this screw, and the bar head rest of this screw rod places and holds in the groove (733 ").
6. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: handlebar stem (10) is provided with a holder (241), and holder (241) just can be positioned Fast detachable unit (24) handlebar stem (10) one sides.
7. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: Fast detachable unit (24) is provided with the button handsetting (242) of a may command Fast detachable unit (24) motion, concrete structure is: the drive bar shaft pertaining piece of conjunction is provided with a draw-in groove, also be provided with a clamping rod, clamping rod be subjected to an elastic body the elastic force effect and in the draw-in groove on the permanent drive bar shaft pertaining piece that supports this conjunction, the action of button handsetting (242) control clamping rod.
8. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: the same side of the upper and lower casing of folder (20) all is provided with circular axis hole and hinged, the shaft pertaining piece group that Fast detachable unit (24) is placed in the upper and lower casing opposite face central space activity of the folder (20) after hinged; The drive bar shaft pertaining piece of conjunction (23) is placed in space in the middle of this shaft pertaining piece group; Establish a slotted eye on the shaft pertaining piece group of Fast detachable unit (24), slotted eye has a wide nose circle and a narrow nose circle, wide nose circle is corresponding with the axis hole of upper and lower casing (21), (22), and long shaft rod wore the axis hole of upper and lower casing and the wide nose circle of slotted eye, wore the location by long shaft rod; The narrow nose circle of slotted eye then wears the location for a stub shaft, establishes a big hole on the shaft pertaining piece of the drive bar of conjunction, and activity simultaneously wore long shaft rod and stub shaft in the big hole, and plugged a spacing block between long shaft rod and stub shaft.
9. the structure-improved that combines of folding bicycle handlebar stem according to claim 1 and front fork tube, it is characterized in that: the same side of the upper and lower casing of folder (20) all is provided with circular axis hole and hinged, the upper and lower casing opposite face central space of the folder after hinged (20) then supplies the shaft pertaining piece group activity of this Fast detachable unit (24) to receive into, and the space in the middle of this shaft pertaining piece group then supplies the drive bar shaft pertaining piece of this conjunction (23) to receive into; Establish a big axis hole and a little axis hole on the shaft pertaining piece group of this Fast detachable unit (24), this big axis hole is corresponding with the axis hole of this upper and lower casing (21), (22), the long shaft rod activity wore the axis hole and big axis hole of upper and lower casing, wear the location by long shaft rod, this little axis hole then wears the location for a stub shaft activity, offer a big hole on the shaft pertaining piece of this drive bar, big hole activity simultaneously wore long shaft rod and stub shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202331037U CN201580495U (en) | 2009-07-14 | 2009-07-14 | Combined improved structure of handle bar and front fork pipe of folding bicycle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202331037U CN201580495U (en) | 2009-07-14 | 2009-07-14 | Combined improved structure of handle bar and front fork pipe of folding bicycle |
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| CN201580495U true CN201580495U (en) | 2010-09-15 |
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| CN2009202331037U Expired - Lifetime CN201580495U (en) | 2009-07-14 | 2009-07-14 | Combined improved structure of handle bar and front fork pipe of folding bicycle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190047A (en) * | 2011-03-07 | 2011-09-21 | 太仓市车中宝休闲用品有限公司 | Box-shaped folder |
| CN111572691A (en) * | 2019-02-15 | 2020-08-25 | 程宝贤 | Folding structure for bicycle handlebar |
-
2009
- 2009-07-14 CN CN2009202331037U patent/CN201580495U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190047A (en) * | 2011-03-07 | 2011-09-21 | 太仓市车中宝休闲用品有限公司 | Box-shaped folder |
| CN102190047B (en) * | 2011-03-07 | 2016-03-02 | 太仓市车中宝休闲用品有限公司 | Box-shaped folder |
| CN111572691A (en) * | 2019-02-15 | 2020-08-25 | 程宝贤 | Folding structure for bicycle handlebar |
| CN111572691B (en) * | 2019-02-15 | 2021-05-25 | 程宝贤 | Folding structure for bicycle handlebar |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20100915 |