CN105882846A - Foldable head tube of bicycle - Google Patents
Foldable head tube of bicycle Download PDFInfo
- Publication number
- CN105882846A CN105882846A CN201610339844.8A CN201610339844A CN105882846A CN 105882846 A CN105882846 A CN 105882846A CN 201610339844 A CN201610339844 A CN 201610339844A CN 105882846 A CN105882846 A CN 105882846A
- Authority
- CN
- China
- Prior art keywords
- lock part
- tight lock
- standpipe
- bearing pin
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
- B62K21/12—Handlebars; Handlebar stems
- B62K21/16—Handlebars; Handlebar stems having adjustable parts therein
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention discloses a foldable head tube of a bicycle. The foldable head tube comprises a vertical tube, a tube seat and a locker. The vertical tube is rotatably connected to the tube seat in a covered manner. The locker comprises a handle, a press rod and a spring. A groove is formed in the joint of the vertical tube and the tube seat. The handle comprises a locking portion and a shifting portion. The locking portion is arranged in the groove. One end of the locking portion is connected to the tube seat rotatably, the spring is arranged in the other end of the locking portion, and two ends of the spring are pressed to the locking portion. The press rod penetrates the groove at the vertical tube position and the locking portion sequentially to be connected to the spring. The foldable head tube has the advantages of simple structure and convenience in locking and unlocking as well as disassembly and maintenance.
Description
Technical field
The present invention relates to the connection accessory of bicycle profile tube, particularly to the folding of a kind of folding bicycle
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.
Summary of the invention
The invention aims to provide a kind of bicycle to fold head tube, make the locking of standpipe and unclamp
Structure simplifies, and easy to operate.
According to an aspect of the invention, it is provided bicycle fold head tube, including standpipe, base and
Locker, standpipe is covered on base rotatably, and locker includes handle, depression bar and spring,
Standpipe, the place of covering of base are provided with groove, and handle includes tight lock part and clicking section, and tight lock part is placed in recessed
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 and compresses
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.
Present configuration is simple, lock and unclamp easy to operate, also bring facility to detachable maintaining.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the bicycle folding head tube of an embodiment of the present invention；
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
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
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 some embodiments of the present invention.For those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement,
These broadly fall into protection scope of the present invention.
Claims (5)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339844.8A CN105882846B (en) | 2016-05-19 | 2016-05-19 | Bicycle folds head tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339844.8A CN105882846B (en) | 2016-05-19 | 2016-05-19 | Bicycle folds head tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105882846A true CN105882846A (en) | 2016-08-24 |
| CN105882846B CN105882846B (en) | 2019-01-18 |
Family
ID=56717719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610339844.8A Active CN105882846B (en) | 2016-05-19 | 2016-05-19 | Bicycle folds head tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105882846B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706866A (en) * | 2021-01-25 | 2021-04-27 | 常州洪记两轮智能交通工具有限公司 | Locking device for folding handle vertical pipe and working method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204762Y (en) * | 1994-06-30 | 1995-08-09 | 许素圆 | folding structure of folding bicycle handle |
| CN2494310Y (en) * | 2001-08-01 | 2002-06-05 | 陈定兴 | Bend tubular fitting structure of man-drawn vehicle |
| EP1213215A2 (en) * | 2000-12-07 | 2002-06-12 | Honda Giken Kogyo Kabushiki Kaisha | Steering device for bicycle and method of folding the steering device |
| CN201432774Y (en) * | 2009-05-25 | 2010-03-31 | 吕文慈 | Folding-type bike handle standpipe |
| CN201626517U (en) * | 2010-03-09 | 2010-11-10 | 徐度风 | Folding structure of stand pipe of folding bicycle |
| CN204341325U (en) * | 2015-01-09 | 2015-05-20 | 何潮辉 | Bike riser folder |
| CN205632854U (en) * | 2016-05-19 | 2016-10-12 | 何潮辉 | Folding head pipe of bicycle |
-
2016
- 2016-05-19 CN CN201610339844.8A patent/CN105882846B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204762Y (en) * | 1994-06-30 | 1995-08-09 | 许素圆 | folding structure of folding bicycle handle |
| EP1213215A2 (en) * | 2000-12-07 | 2002-06-12 | Honda Giken Kogyo Kabushiki Kaisha | Steering device for bicycle and method of folding the steering device |
| CN2494310Y (en) * | 2001-08-01 | 2002-06-05 | 陈定兴 | Bend tubular fitting structure of man-drawn vehicle |
| CN201432774Y (en) * | 2009-05-25 | 2010-03-31 | 吕文慈 | Folding-type bike handle standpipe |
| CN201626517U (en) * | 2010-03-09 | 2010-11-10 | 徐度风 | Folding structure of stand pipe of folding bicycle |
| CN204341325U (en) * | 2015-01-09 | 2015-05-20 | 何潮辉 | Bike riser folder |
| CN205632854U (en) * | 2016-05-19 | 2016-10-12 | 何潮辉 | Folding head pipe of bicycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706866A (en) * | 2021-01-25 | 2021-04-27 | 常州洪记两轮智能交通工具有限公司 | Locking device for folding handle vertical pipe and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105882846B (en) | 2019-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180827 Address after: 528200 Songgang leading industrial area, Shihan Town, Nanhai District, Foshan, Guangdong Applicant after: Foshan Nanhai Songgang Yi Chuang Hardware Products Co., Ltd. Address before: 528000 Guangdong Foshan Nanhai Songgang leading west crow Industrial Zone billion Chuang Hardware Products Co., Ltd. Applicant before: He Chaohui |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |