CN205632854U

CN205632854U - Folding head pipe of bicycle

Info

Publication number: CN205632854U
Application number: CN201620467239.4U
Authority: CN
Inventors: 何潮辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-19
Filing date: 2016-05-19
Publication date: 2016-10-12
Anticipated expiration: 2026-05-19

Abstract

The utility model discloses a folding head pipe of bicycle, including riser, tube socket and locker, the riser can relatively cover with rotating and fit the tube socket, and the locker includes handle, depression bar and spring, and the gai hechu of riser, tube socket is equipped with the recess, and the handle includes locking portion and shifting part, and locking is deployed in the recess, and the one end of locking portion is rotationally connected in the tube socket, and the other end of locking portion is built -in to have both ends to compress tightly in the spring of locking portion, and the depression bar passes recess, the locking portion of riser department in proper order and connects in the spring. The utility model discloses simple structure, the convenient operation who locks and loosen also gives to dismantle to maintain and has brought the facility.

Description

Bicycle folds head tube

Technical field

This utility model relates to the connection accessory of bicycle profile tube, particularly to a kind of folding bicycle Fold head tube.

Background technology

The handlebar of folding bicycle typically uses standpipe to be connected with vehicle body, and standpipe uses folding head tube Connect, fold head tube and drive handlebar to fold with vehicle body by the folding of folder.Existing folding is voluntarily The folding head tube assemble products from parts of car are many, assembling complexity, the locking of standpipe and pine when causing actually used Open and have some setbacks, operate also inconvenient, also make troubles to detachable maintaining.

Utility model content

The purpose of this utility model is to provide for a kind of bicycle and folds head tube, makes locking and the pine of standpipe The structure opened simplifies, and easy to operate.

According to an aspect of the present utility model, it is provided that bicycle folds head tube, including standpipe, pipe Seat and locker, standpipe is covered on base rotatably, and locker includes handle, depression bar and bullet Spring, standpipe, the place of covering of base be provided with groove, and handle includes tight lock part and clicking section, and tight lock part is put In groove, one end of tight lock part is rotatably connected at base, and the other end of tight lock part is built-in with two ends Being pressed in the spring of tight lock part, depression bar sequentially passes through the groove at standpipe, tight lock part and is connected to spring.

Above-mentioned standpipe, base are connected with handlebar, vehicle body respectively, and by moulded rod, depression bar is along with spring Compressing and depart from groove, pull the clicking section of handle simultaneously, tight lock part rotates relative to base, so that Obtain standpipe, base unlocks and unclamps, and rotated relative to base by standpipe, it is achieved thereby that standpipe, base Drive the folding of handlebar and vehicle body, its locking and the simple in construction unclamped, and easy to operate, also give Detachable maintaining brings facility.

In some embodiments, standpipe, the side at the place of covering of base are connected by connecting shaft, lock The other end in the tight portion opposite side in the place of covering is provided with first through hole parallel with connecting shaft, the one of groove Side is provided with pressing hole, depression bar and spring and is placed in the first through hole, and depression bar extend out to pressing hole, spring One end connects depression bar and is pressed in tight lock part, and in the other end of spring passes through first, hexagonal double-ended bolt screw thread connects It is connected to the first through hole.Thus, by hexagonal double-ended bolt and the worm drive of the first through hole in first, is made In one hexagonal double-ended bolt can holddown spring so that depression bar can be pressed under the action of the spring through pressing hole And eject.

In some embodiments, the opposite side in the place of covering of the groove at standpipe is provided with and connecting shaft The first parallel double end bearing pin, the other end of tight lock part is provided with second through hole vertical with connecting shaft, bullet Hexagonal double-ended bolt in being provided with second between spring and the first double end bearing pin, in second, hexagonal double-ended bolt is threadedly connected to Second through hole also compresses the first double end bearing pin, and tight lock part snaps in the first double end bearing pin, base by draw-in groove The groove at the place opposite side in the place of covering is provided with the second double end bearing pin parallel with connecting shaft, tight lock part One end be socketed on the second double end bearing pin.Thus, the first through hole, the first double end bearing pin, the second double end Bearing pin is parallel with connecting shaft so that tight lock part and stands along the second double end bearing pin relative to the rotation direction of base Pipe is identical relative to the rotation direction of base along connecting shaft, and hexagonal double-ended bolt and the second through hole in second Worm drive, in enabling second, hexagonal double-ended bolt compresses the first double end bearing pin, so that tight lock part lock Tight standpipe and base are more firm.

In some embodiments, bicycle folds head tube and also includes clamping device, and clamping device includes Clamp ring, locking nut, screw rod and pressing plate, clamp ring is placed on the end of standpipe, and the opening of clamp ring passes Screw rod connects, and one end of screw rod is provided with the locking nut for compressing clamp ring, and the other end of screw rod is solid Surely having the bearing pin parallel with standpipe, bearing pin connects pressing plate, and pressing plate compresses along clamp ring.Thus, clamp ring Being placed on the standpipe connected with handlebar and clamp, by the worm drive of locking nut Yu screw rod, screw rod draws Bearing pin, and then make pressing plate compress clamp ring, play the effect of fixed riser, it is achieved that handlebar is relative The technique effect that vehicle body folds.

In some embodiments, base includes pressing from both sides cylinder portion and fracture portion, and folder cylinder portion passes through clamping screw Connect through fracture portion.Thus, the standpipe that the folder cylinder portion of base is connected with vehicle body for socket, locking Bolt will the locking of folder cylinder portion, it is achieved that by vehicle body relative to the technique effect of handle bar folding.

This utility model simple in construction, lock and unclamp easy to operate, also bring to detachable maintaining Convenient.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of the bicycle folding head tube of this utility model one embodiment；

Fig. 2 is that bicycle shown in Fig. 1 folds standpipe and the base of head tube and covers the expanded view at place.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is described in further detail.

As shown in Figure 1, 2, this bicycle folding head tube includes standpipe 1, base 2, locker 3 and Clamping device 4.Clamping device 4 includes clamp ring 41, locking nut 42, screw rod 43 and pressing plate 44, Clamp ring 41 is placed on the end of standpipe 1, and the opening of clamp ring 41 connects through screw rod 43, screw rod 43 One end the locking nut 42 for compressing clamp ring 41 is installed, the other end of screw rod 43 be fixed with The bearing pin 45 that standpipe 1 is parallel, bearing pin 45 connects has pressing plate 44, pressing plate 44 to compress along clamp ring 41. Clamp ring 41 is placed on the standpipe connected with handlebar and clamps, by the spiral of locking nut 42 with screw rod 43 Transmission, screw rod 43 is strained bearing pin 45, and then is made pressing plate 44 compress clamp ring 41, plays fixed riser Effect, it is simple to handlebar is folded relative to vehicle body.Base 2 includes pressing from both sides cylinder portion 21 and fracture portion 22, presss from both sides cylinder Portion 21 is connected through fracture portion 22 by clamping screw 23.The folder cylinder portion 21 of base 2 is used for being socketed The standpipe being connected with vehicle body, folder cylinder portion 21 is locked by clamping screw 23, it is simple to by vehicle body relative to handlebar Fold.

Standpipe 1, the side at the place of covering 5 of base 2 are connected by connecting shaft 6.Locker 3 includes hands Handle 31, depression bar 32 and spring 33, standpipe 1, the place of covering 5 of base 2 are provided with groove 7, handle 31 Including tight lock part 311 and clicking section 312, tight lock part 311 is placed in groove 7.Groove 7 at standpipe 1 In the place of covering, the opposite side of 5 is provided with the first double end bearing pin 8 parallel with connecting shaft 6, tight lock part 311 The other end be provided with second through hole 9 vertical with connecting shaft 6, spring 33 and the first double end bearing pin 8 it Between be provided with second in hexagonal double-ended bolt 10, in second, hexagonal double-ended bolt 10 is threadedly connected to the second through hole 9 and presses Tight first double end bearing pin 8, tight lock part 311 snaps in the first double end bearing pin 8, base 2 by draw-in groove 11 In the place of covering, the opposite side of 5 is provided with the second double end bearing pin 12 parallel with connecting shaft 6 to the groove 7 at place, One end of tight lock part 311 is socketed on the second double end bearing pin 12.The other end of tight lock part 311 is in covering place The opposite side of 5 is provided with first through hole 13 parallel with connecting shaft 6, and the side of groove 7 is provided with pressing hole 71, depression bar 32 and spring 33 are placed in the first through hole 13, and depression bar 32 extend out to pressing hole 71, bullet One end of spring 33 connects depression bar 32 and is pressed in tight lock part 311, and the other end of spring 33 passes through first Interior hexagonal double-ended bolt 14 is threadedly connected to the first through hole 13.

Above-mentioned standpipe 1, base 2 are connected with handlebar, vehicle body respectively, when locker 3 lock standpipe 1, During base 2, due to first through hole the 13, first double end bearing pin the 8, second double end bearing pin 12 and connecting shaft 6 is parallel so that tight lock part 311 is along the rotation direction of the second relative base 2 of double end bearing pin 12 and standpipe 1 is identical along the rotation direction of the relative base 2 of connecting shaft 6, and hexagonal double-ended bolt 10 and second in second The worm drive of through hole 9, in making second, hexagonal double-ended bolt 10 can compress the first double end bearing pin 8, thus Make tight lock part 311 lock standpipe 1 and base 2 is more firm；When locker 3 unlocks standpipe 1, pipe During seat 2, due to hexagonal double-ended bolt 14 and the worm drive of the first through hole 13 in first, in making first six Angle stud 14 can holddown spring 33 so that depression bar 32 can be made at spring 33 through pressing hole 71 With being pushed down into and ejecting, press moulded rod 32 from pressing hole 71, depression bar 32 along with spring 33 compression and Departing from groove 7, pull the clicking section 312 of handle 31 simultaneously, tight lock part 311 is along the second double end bearing pin 12 rotate relative to base 2, unclamp so that standpipe 1, base 2 unlock, and by standpipe 1 along even Spindle 6 rotates relative to base 2, it is achieved thereby that standpipe 1, base 2 drive the folding of handlebar and vehicle body, Its locking and the simple in construction unclamped, and easy to operate, also bring facility to detachable maintaining.

Above-described is only embodiments more of the present utility model.Ordinary skill for this area For personnel, on the premise of creating design without departing from this utility model, it is also possible to make some deformation And improvement, these broadly fall into protection domain of the present utility model.

Claims

1. bicycle folds head tube, it is characterised in that include standpipe (1), base (2) and locking Device (3), described standpipe (1) is covered on base (2), described locker (3) rotatably Including handle (31), depression bar (32) and spring (33), described standpipe (1), the lid of base (2) At conjunction, (5) are provided with groove (7), and described handle (31) includes tight lock part (311) and clicking section (312), Described tight lock part (311) is placed in groove (7), and one end of described tight lock part (311) connects rotationally Being connected to base (2), the other end of described tight lock part (311) is built-in with two ends and is pressed in tight lock part (311) Spring (33), described depression bar (32) sequentially passes through the groove (7) at standpipe (1) place, tight lock part And be connected to spring (33) (311).

Bicycle the most according to claim 1 fold head tube, it is characterised in that described in cover place (5) side is connected by connecting shaft (6), and the other end of described tight lock part (311) is in covering place (5) opposite side is provided with first through hole (13) parallel with connecting shaft (6), described groove (7) Side is provided with pressing hole (71), described depression bar (32) and spring (33) and is placed in the first through hole (13) In, described depression bar (32) extend out to pressing hole (71), and one end of described spring (33) connects depression bar (32) and be pressed in tight lock part (311), the other end of described spring (33) is by hexagonal spiral shell in first Post (14) is threadedly connected to the first through hole (13).

Bicycle the most according to claim 2 folds head tube, it is characterised in that described standpipe (1) The groove (7) at the place opposite side in the place of covering (5) is provided with first pair parallel with connecting shaft (6) Head bearing pin (8), the other end of described tight lock part (311) is provided with second vertical with connecting shaft (6) Through hole (9), hexagonal in being provided with second between described spring (33) and described first double end bearing pin (8) Stud (10), in described second, hexagonal double-ended bolt (10) is threadedly connected to the second through hole (9) and compresses First double end bearing pin (8), described tight lock part (311) snaps in the first double end bearing pin by draw-in groove (11) (8), the groove (7) at described base (2) the place opposite side in the place of covering (5) is provided with and is connected The second double end bearing pin (12) that axle (6) is parallel, one end of described tight lock part (311) is socketed on second Double end bearing pin (12).

Bicycle the most according to claim 1 folds head tube, it is characterised in that also include clamping Mechanism (4), described clamping device (4) includes clamp ring (41), locking nut (42), screw rod (43) With pressing plate (44), described clamp ring (41) is placed on the end of standpipe (1), described clamp ring (41) Opening connects through screw rod (43), and one end of described screw rod (43) is provided with for compressing clamp ring (41) locking nut (42), the other end of described screw rod (43) is fixed with parallel with standpipe (1) Bearing pin (45), described bearing pin (45) connect have pressing plate (44), described pressing plate (44) is along clamp ring (41) compress.

5. fold head tube according to the bicycle described in claim 1 or 4, it is characterised in that described pipe Seat (2) includes pressing from both sides cylinder portion (21) and fracture portion (22), and described folder cylinder portion (21) passes through locking screw Bolt (23) connects through fracture portion (22).