CN2880651Y - Bicycle handlebar stem capable of enhancing connecting strength - Google Patents
Bicycle handlebar stem capable of enhancing connecting strength Download PDFInfo
- Publication number
- CN2880651Y CN2880651Y CN 200620004910 CN200620004910U CN2880651Y CN 2880651 Y CN2880651 Y CN 2880651Y CN 200620004910 CN200620004910 CN 200620004910 CN 200620004910 U CN200620004910 U CN 200620004910U CN 2880651 Y CN2880651 Y CN 2880651Y
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- China
- Prior art keywords
- bicycle handle
- type
- end cap
- vertical tube
- shaped
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Abstract
The utility model is a bicycle handle standpipe to improve bonding strength with at least one end equipped with a one-piece C-shaped clamping holder and a C-shaped end cover jointed with the C-shaped clamping holder. Conjugate arc chutes are provided between the C-shaped clamping holder and the C-shaped end cover. Peripheral walls of the C-shaped clamping holder and the C-shaped end cover are jointed by threading an axial bolt normal to the arc chute. A plurality of diamond-shaped thorns protruding over the surface are provided on the inside surrounding wall of the arc chute of the C-shaped end cover. When the thorns clamp the bicycle handle or top circumference of a front fork of bicycle, bonding strength is improved by clamping surface of the pipe body by diamond-shaped thorns.
Description
Technical field
The utility model is the technical field about bicycle part, refers to a kind of handle vertical tube that links between bicycle handle and the front fork top of using especially.
Background technology
The front-wheel of bicycle is installed on the front fork, and the top of front fork is piercing in the head tube of cycle frame, sheathed in the front fork top in conjunction with a bicycle handle vertical tube, the other end of handle vertical tube is sheathed on bicycle handle, when controlling bicycle handle, promptly can rotate by handle vertical tube control front fork and front-wheel, and then the direction of control bicycle.
The kenel of existing bicycle handle vertical tube has a variety of, for example shown in Fig. 5-7, bicycle handle vertical tube 50 as shown in Figure 5 comprises the vertical tube portion 51 of a longitudinal extension, using plants is assembled in front fork (not shown) top, be provided with the transverse tube portion 52 of an oblique extension in vertical tube portion 51 top peripheries, differing from vertical tube portion 51 these ends in transverse tube portion 52 is provided with one and axially is the horizontal C type holder 53 of horizontal expansion and a C type end cap 54, being provided with between horizontal C type holder 53 and the C type end cap 54 can corresponding involutory deep-slotted chip breaker 530,540, use on the periphery that is located in bicycle handle, two deep-slotted chip breakers 530, on 540 adjoining these perisporiums, the corresponding lug of radially giving prominence to 531 that is provided with, 542, on two corresponding lugs 531,542, be respectively equipped with coaxial screw 532, perforation 542, be placed through the perforation 542 of C type end cap 54 for bolt 545, and be fixed at the screw 532 of horizontal C type holder 53.
60 of bicycle handle vertical tubes as shown in Figure 6 are to be made as the transverse tube shape, wherein an end is provided with a perpendicular clamping member 61, perpendicular clamping member 61 inside are provided with the folder hole 610 of longitudinal extension, use and be sheathed on the front fork top, be provided with a profile groove 611 in folder hole 610 perisporiums, place fixingly in profile groove 611 both sides perisporiums with bolt 612, when screwing bolt 612, promptly can be clamped on the front fork top.And bicycle handle vertical tube 60 differs from horizontal C type holder 62 and C type end cap 63 that perpendicular clamping member 61 these ends are provided with horizontal expansion, between horizontal C type holder 62 and C type end cap 63, be provided with corresponding involutory deep-slotted chip breaker 620,630, in deep-slotted chip breaker 620,630 perisporiums are respectively equipped with four coaxial involutory screws 621, perforation 631, are fixed on the screw 621 for bolt 632 passes perforation 631.
For another bicycle handle vertical tube shown in Figure 7 70 is a transverse tube, wherein an end is provided with a horizontal clamping member 71, these horizontal clamping member 71 inside are provided with a perforation 710, in horizontal clamping member 71 perisporiums be provided with one with the perforation 710 profile grooves that are communicated with 711, be sheathed on bicycle handle bar on hand by perforation 710, place with two support bolts 712 again and be incorporated into profile groove 711 both sides perisporiums, promptly can form the clamping effect.And be provided with a perpendicular C type holder 72 and a C type end cap 73 in the other end of bicycle handle vertical tube 70, should perpendicular C type holder 72 and C type end cap 73 between be provided with can corresponding involutory deep-slotted chip breaker 720,730, use and be located in the front fork top, on the periphery wall of perpendicular C type holder 72 and C type end cap 73, be respectively equipped with several radially outstanding lugs 721,731, in lug 721, correspondingly on 731 be provided with coaxial screw 722, perforation 732, be placed through perforation 732 and be fixed on the screw 722 for bolt 733.
Aforementioned common a few money bicycle handle vertical tubes, it all is the clamping power by bolt, the arc internal perisporium of C type holder and C type end cap is clamped on decides bicycle handle or front fork top, yet, because the internal perisporium of C type holder and C type end cap is made as smooth surface, its Clamping force is still limited, and drive bicycle, can bestow the downward pressure-formed power of bicycle handle unavoidably, and the power that imposes on the front fork rotation, because the clamping power of bicycle handle vertical tube is limited, therefore easily cause handle down to rotate, and the situation that can't accurately control the front fork anglec of rotation.
Summary of the invention
In order to improve above-mentioned shortcoming, main purpose of the present utility model is to provide a kind of bicycle handle vertical tube that improves conjugation.
Based on above-mentioned purpose, major technique means of the present utility model are distributed with a plurality of sour jujube portions that protrude in the surface on the internal perisporium of the deep-slotted chip breaker of C type end cap, and each sour jujube portion is a cone body.
Implement after the above-mentioned technological means, the obtainable concrete benefit of the utility model is: because the internal perisporium of C type end cap is distributed with outstanding sour jujube portion, so when it is clamped on the periphery wall of bicycle handle, perhaps during the periphery wall at front fork top, can form blocking power by each sour jujube portion,, avoid bicycle handle stressed and in the bicycle handle vertical tube, rotate to improve its anchoring strength, perhaps rotate mutually between bicycle handle vertical tube and the front fork top, improve the shortcoming of existing product.
The accompanying drawing summary
Fig. 1 is the perspective exploded view of the first item bicycle handle vertical tube implemented of the utility model.
Fig. 2 is the partial cutaway schematic of the utility model clamping bicycle handle.
Fig. 3 is the perspective exploded view of second section of bicycle handle vertical tube implementing of the utility model.
Fig. 4 is the perspective exploded view of the threeth bicycle handle vertical tube implemented of the utility model.
Fig. 5 is the perspective exploded view of existing bicycle handle vertical tube.
Fig. 6 is the perspective exploded view of existing another bicycle handle vertical tube.
Fig. 7 is the perspective exploded view of existing the threeth bicycle handle vertical tube.
The specific embodiment
As Figure 1-3, be implemented on the situation of three bicycle handle vertical tube 10,20,30 for the utility model, each bicycle handle vertical tube 10,20,30 one of them end are provided with C type holder 11,21,31 and C type end cap 12,22,32, in C type end cap 12,22, be distributed with many diamond type sour jujube portions 40 that protrude in the surface on 32 internal perisporiums, when being clamped on bicycle handle or front fork top, formed the effect of multiple spot clamping as shown in Figure 4, and diamond type sour jujube portion 40 can be distributed in C type end cap 12,22,32 whole internal perisporium also can be distributed in certain block by subregion.
Aforementioned is general introduction of the present utility model, and the structure of each embodiment is addressed as the back:
Bicycle handle vertical tube 10 shown in Figure 1 is a transverse tube, wherein an end is made as the perpendicular clamping member 15 of longitudinal extension, should erect the perforation 16 that clamping member 15 inside have longitudinal extension, use the front fork top that is set in bicycle, be provided with an axially extended profile groove 17 in perpendicular clamping member 15 perisporiums, this profile groove 17 is communicated in perforation 16 with extraneous, and the perisporium of perpendicular clamping member 15 is had can compressed elasticity, places the both sides perisporium that is fixed in profile groove 17 with bolt 18 again.Be integrally formed with described C type holder 11 and differ from perpendicular clamping member 15 these ends, and the C type end cap 12 that mutually combines with C type holder 11, this C type holder 11 and C type end cap 12 wherein a side be provided with one axially with bore a hole 16 vertical, and for the deep-slotted chip breaker 110 of horizontal expansion, 120, use clamping in opposite directions on the periphery wall of bicycle handle, C type end cap 12 is corresponding respectively with the periphery wall of C type holder 11 to be provided with four outstanding lugs 121,111, in lug 121,111 are provided with coaxial involutory perforation 122, screw 112, place combination for bolt 14, described sour jujube portion 40 is distributed on deep-slotted chip breaker 120 internal perisporiums of C type end cap 12, each sour jujube portion 40 is a cone body, it is preferably by the interlaced grooving of complex trace, formation has the little cone body on four inclined-planes, be commonly called as diamond type sour jujube portion, when its as shown in Figure 4 clamping in bicycle handle 80 periphery walls, and by bolt 14 fixedly the time, promptly by each sour jujube portion 40 clipping of C type end cap 12 in bicycle handle 80 surfaces, promoting the clipping power of C type end cap 12, and with the conjugation of bicycle handle 80, when pressure that bicycle handle 80 is subjected to rotating, be unlikely to make bicycle handle 80 stressed rotations down.
For another shown in Figure 2, another bicycle handle vertical tube 20, wherein an end is provided with longitudinal extension, use the vertical tube portion 25 that is inserted in the front fork top, the other end is provided with described C type holder 21 and C type end cap 22, uses clamping in bicycle handle bar on hand, and the corresponding outstanding lug 212 that is provided with on the periphery wall of C type holder 21 and C type end cap 22,222, place fixingly for bolt 24, and described sour jujube portion 40 promptly is located on the arc internal perisporium of C type end cap 22.Because its structure as hereinbefore, hold and do not give unnecessary details.
For another shown in Figure 3, it is the threeth bicycle handle vertical tube 30 that the utility model is implemented, a wherein end of bicycle handle vertical tube 30 is provided with the C type holder 31 of one, and one and the involutory C type end cap 32 of C type holder 31, C type holder 31 and C type end cap 32 are mutually to should end is respectively equipped with the deep-slotted chip breaker 310 of a longitudinal extension, 320, use clamping in the bicycle front fork top, be provided with several radially outstanding lugs 311 in C type holder 31 and C type end cap 32 periphery walls, 321, on lug 311,321, be respectively equipped with coaxial cooresponding screw 312, perforation 322, the perforation 322 and the spiral shell that are placed through C type end cap 32 for bolt 34 are located on the screw 312.And described diamond type sour jujube portion 40 promptly is distributed on the deep-slotted chip breaker 320 of C type end cap 32, to be clamped on the top periphery of bicycle front fork, makes to be unlikely between bicycle handle vertical tube 30 and the front fork top periphery to form rotation, to control the direction of front fork really.
Above-mentioned for example, be enough to illustrate that the utility model is the design at the C type end cap of bicycle handle vertical tube, but be not limited to the bicycle handle vertical tube of which kind of style, also not limiting it is to be located at this end of clipping bicycle handle, perhaps be located at this end of clamping front fork, but be distributed in the diamond type sour jujube portion of C type end cap internal perisporium by the utility model, improve the conjugation between bicycle handle vertical tube and bicycle handle or the front fork.
Claims (2)
1. bicycle handle vertical tube that can improve conjugation, at least one end of bicycle handle vertical tube is provided with a C type holder, and one and the C type end cap that is involutory of C type holder, in C type holder and C type end cap in opposite directions this side be respectively equipped with a deep-slotted chip breaker, periphery wall in C type holder and C type end cap is respectively equipped with lug outstanding more than in addition, be provided with coaxial perforation in corresponding lug, screw, other is provided with and can passes perforation and spiral shell is located at the bolt of screw, it is characterized in that, on the internal perisporium of the deep-slotted chip breaker of C type end cap, be distributed with a plurality of sour jujube portions that protrude in the surface, each sour jujube portion is a cone body.
2. the bicycle handle vertical tube that improves conjugation as claimed in claim 1 is characterized in that, each sour jujube portion is the little cone body of diamond type with four dip plane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620004910 CN2880651Y (en) | 2006-02-16 | 2006-02-16 | Bicycle handlebar stem capable of enhancing connecting strength |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620004910 CN2880651Y (en) | 2006-02-16 | 2006-02-16 | Bicycle handlebar stem capable of enhancing connecting strength |
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CN2880651Y true CN2880651Y (en) | 2007-03-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200620004910 Expired - Lifetime CN2880651Y (en) | 2006-02-16 | 2006-02-16 | Bicycle handlebar stem capable of enhancing connecting strength |
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CN (1) | CN2880651Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023193221A1 (en) * | 2022-04-08 | 2023-10-12 | 许秀政 | Bicycle handlebar structure and manufacturing method therefor |
-
2006
- 2006-02-16 CN CN 200620004910 patent/CN2880651Y/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023193221A1 (en) * | 2022-04-08 | 2023-10-12 | 许秀政 | Bicycle handlebar structure and manufacturing method therefor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20070321 |
|
EXPY | Termination of patent right or utility model |