CN201280191Y - Bicycle handlebar post shock absorber with internal contraction folding structure - Google Patents
Bicycle handlebar post shock absorber with internal contraction folding structure Download PDFInfo
- Publication number
- CN201280191Y CN201280191Y CNU2008201353570U CN200820135357U CN201280191Y CN 201280191 Y CN201280191 Y CN 201280191Y CN U2008201353570 U CNU2008201353570 U CN U2008201353570U CN 200820135357 U CN200820135357 U CN 200820135357U CN 201280191 Y CN201280191 Y CN 201280191Y
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- Prior art keywords
- pin
- inner core
- brake cable
- bumper
- spring
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- Expired - Fee Related
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- 230000035939 shock Effects 0.000 title abstract description 9
- 239000006096 absorbing agent Substances 0.000 title abstract 4
- 230000008602 contraction Effects 0.000 title 1
- 238000013016 damping Methods 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a bicycle handlebar post shock absorber with an inward-contracting folding structure, which comprises a shock absorber inner cylinder and a shock absorber outer cylinder, wherein the inner cylinder sequentially comprises a spring positioning plug, a shock absorbing spring and a shock absorbing piston from the upper end, the shock absorbing piston is transversely provided with an elastic pin which can extend out towards both ends, the lower end of the inner cylinder is longitudinally provided with a strip-shaped notch, and both ends of the elastic pin extend out of the strip-shaped notch; the upper end of the outer cylinder is provided with two sleeve positioning holes corresponding to the elastic pins. The bicycle handlebar post has the function of supporting the handlebar, has the functions of shock absorption and folding, and has the advantages of simple and compact structure, reasonable design of functional parts, reliable work and the like.
Description
Technical field
The utility model relates to the bicycle field, specifically is a kind of bicycle handle bar post bumper of the foldable structure that contracts in having.
Background technology
Along with continuous development and the social economy and the development of technology of people's living standard, the kind of bicycle is more and more.In numerous bicycle kinds, the folding bicycle with shock-absorbing function is popular to people.Front fork and column are arranged between the front-wheel of bicycle and the handlebar, in this specification sheets this column is called the bicycle handle bar post, the bicycle handle bar post of prior art generally all is a metal tube, does not have folding and shock-absorbing function.
Described damping bicycle, damping and back damping before it comprises, back damping realize that on the vehicle frame of back preceding damping generally realizes on front fork, two shock-damping structures about realization needs on the front fork, and complex structure, cost increases.The general employing of the front fork of prior art and pillar is rigidly connected, the two requirement has certain height could make things convenient for cyclist's driving demand, in the design of folding bicycle, it is a major part of restriction Folding Bicycle compression volume that the height of front fork and pillar can not compress always.
Summary of the invention
The purpose of this utility model is to overcome the defective of above-mentioned prior art, design a kind of bicycle handle bar post bumper of the foldable structure that contracts in having, it will contract folding and shock-absorbing function is realized on parts in the bicycle, have simple in structure, easy for installation, not fragile and can reduce advantage such as folding bicycle volume.
The purpose of this utility model is achieved in that a kind of bicycle handle bar post bumper of the foldable structure that contracts in having, it comprises bumper inner core and bumper urceolus, inner core inside begins to comprise successively the spring limit plug from the upper end, damping spring, dashpot piston, the elasticity pin that energy stretches out to two ends laterally is installed on the dashpot piston, and the lower end of inner core vertically is provided with the strip notch, and the two ends of this elasticity pin reach in the strip notch; The upper end of urceolus is provided with and cooresponding two the sleeve knock holees of elasticity pin.
In order to realize that this bumper has the effect of the spring pressure of adjustment, the spring limit plug is fixed on the upper end of inner core by the spring pressure regulating mechanism, described spring pressure regulating mechanism comprises governing screw and spacer, spacer is fixed on the upper end of inner core, spacer has center hole, there is tapped bore in spring limit plug axle center, and the upper end of governing screw is positioned in the spacer center hole by nut and screw banking stop free to rotately, in the tapped bore of governing screw lower end precession spring limit plug.
When the utility model is used on the folding bicycle, need and to be rotatably connected to post on the bicycle beam, the utility model also comprises the bicycle beam anchor shaft for this reason, on the spring limit plug, be vertically arranged with the strip notch, with on the inner core of this strip notch correspondence position the anchor shaft through hole is set, the bicycle beam anchor shaft is installed in anchor shaft through hole and the strip notch.
Described elasticity pin can have multiple implementation, wherein a kind of embodiment is, it comprises the pin sleeve pipe, there is spring pin centre in the pin sleeve pipe, respectively there is a pin at two ends, and the stifled and cage guiding sheet of pin is arranged in the outside, lower end of inner core, have on the guide piece and cooresponding two the pin through holes of pin, be vertically arranged with strip direction recess or projection on the guide piece, in urceolus, have with guide piece on strip direction recess or protruding cooresponding guide protrusions or groove.
For attractive in appearance, the brake cable of bicycle is installed in the inside post, and the utility model also comprises the brake cable passage for this reason, and described brake cable passage is to be provided with the brake cable through hole on inner core, spring limit plug, dashpot piston and urceolus.
The beneficial effects of the utility model are: the bicycle handle bar post has the effect of supported cart handle, also have cushioning effect and folder function simultaneously, multiple function realizes on parts, for the damping folding bicycle provides good parts, can also have shock-absorbing function simultaneously with the folding bicycle design-calculated is littler.Damping spring and brake cable all design the inside at bumper, and good looking appearance is generous.It also has simple and compact for structure, and each functional component is reasonable in design, advantages such as reliable operation.
Description of drawings
Fig. 1 is the utility model single-piece sectional structural map;
Fig. 2 is the utility model shock absorbing part sectional structural map;
Fig. 3 is a damping pressure control part sectional structural map of the present utility model;
Fig. 4 is the folded state sectional structural map that contracts in the utility model.
Among the figure, 1, the bumper inner core, 2, spacer, 3, banking stop, 4, the brake cable through hole, 5, governing screw, 6, bicycle beam anchor shaft, 7, the spring limit plug, 8, damping spring, 9, dashpot piston, 10, the pin sleeve pipe, 11, spring pin, 12, pin, 13, strip guide protrusions, 14, the stifled and cage guiding sheet of pin, 15, the bumper urceolus.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of bicycle handle bar post bumper of the foldable structure that contracts in having, it comprises bumper inner core 1 and bumper urceolus 15, inner core 1 inside begins to comprise successively spring limit plug 7 from the upper end, damping spring 8, dashpot piston 9 is laterally installed the elasticity pin that energy stretches out to two ends on the dashpot piston, the lower end of inner core 1 vertically is provided with the strip notch, and the two ends of this elasticity pin reach in the strip notch; The upper end of urceolus 15 is provided with and cooresponding two the sleeve knock holees of elasticity pin.Described spring limit plug is fixed on the upper end of inner core 1 by the spring pressure regulating mechanism, described spring pressure regulating mechanism comprises governing screw 5 and spacer 2, spacer 2 is fixed on the upper end of inner core 1, spacer 2 has center hole, there is tapped bore in spring limit plug 7 axle center, the upper end of governing screw 5 is positioned in spacer 2 center holes by nut and screw banking stop 3 free to rotately, in the tapped bore of governing screw 5 lower end precession spring limit plugs 7.When this bumper is used on the folding bicycle, need and to be rotatably connected to post on the bicycle beam, for this reason, it also comprises bicycle beam anchor shaft 6, on spring limit plug 7, be vertically arranged with the strip notch, with on the inner core 1 of this strip notch correspondence position the anchor shaft through hole is set, bicycle beam anchor shaft 6 is installed in anchor shaft through hole and the strip notch.Described elasticity pin, it comprises pin sleeve pipe 10, there is spring pin 11 centre in the pin sleeve pipe, respectively there is a pin 12 at two ends, stifled and the cage guiding sheet 14 of pin is arranged in the outside, lower end of inner core, have on the guide piece 14 and pin 12 cooresponding two pin through holes, be vertically arranged with the strip direction recess on the guide piece, in urceolus 15, have with guide piece on the cooresponding strip guide protrusions 13 of strip direction recess.For attractive in appearance, this bumper also comprises the brake cable passage, and described brake cable passage is to be provided with the brake cable through hole on inner core 1, spring limit plug 7, dashpot piston 9 and urceolus 15, has wherein marked brake cable through hole 4 on the inner core of Fig. 3 and Fig. 4.
In conjunction with present embodiment, mode of operation of the present utility model is described as follows:
When spring pressure is regulated, the governing screw 5 of rotary stopper on spacer 2, the position of the helicitic texture regulating spring limit plug 7 by its lower end, though there is bicycle beam anchor shaft 6 this position, because this 6 strip notch that is positioned at spring limit plug 7, so just do not influence moving up and down of spring limit plug 7, thereby can realize the spring pressure adjusting.
When the damping mode of operation, carry on the bumper inner core 1, allow pin 12 reach in the sleeve knock hole of bumper urceolus 15 upper ends, a post bumper is launched, when in driving process by bike, running into the road surface of jolting, bumper urceolus 15, elasticity pin and dashpot piston 9 relative fixed ground compressing damping spring 8 are flexible, pin 12 slides up and down in the strip notch of inner core 1 lower end in damping spring 8 telescopic process, and this strip notch has also limited the axial rotation of bumper inner core 1 and urceolus 15 simultaneously.
When folded state, the elasticity pin is pressed in the bumper urceolus 15, and then with in the bumper inner core 1 retraction bumper urceolus 15, under the effect of strip guide protrusions 13, bumper inner core 1 after the retraction and urceolus 15 can axial rotation in strip direction recess on guide piece 14 and the urceolus 15.
Claims (9)
1, a kind of bicycle handle bar post bumper of the foldable structure that contracts in having, it is characterized in that: it comprises bumper inner core (1) and bumper urceolus (15), inner core (1) inside begins to comprise successively spring limit plug (7) from the upper end, damping spring (8), dashpot piston (9), dashpot piston (9) is gone up the elasticity pin that energy stretches out to two ends laterally is installed, and the lower end of inner core (1) vertically is provided with the strip notch, and the two ends of this elasticity pin reach in the strip notch; The upper end of urceolus (15) is provided with and cooresponding two the sleeve knock holees of elasticity pin.
2, the bicycle handle bar post bumper of foldable structure contracts in having according to claim 1 is described, it is characterized in that: spring limit plug (7) is fixed on the upper end of inner core (1) by the spring pressure regulating mechanism, described spring pressure regulating mechanism comprises governing screw (5) and spacer (2), spacer (2) is fixed on the upper end of inner core (1), spacer (2) has center hole, there is tapped bore in spring limit plug (7) axle center, the upper end of governing screw (5) is positioned in spacer (2) center hole, in the tapped bore of governing screw (5) lower end precession spring limit plug (7) by nut and screw banking stop (3) free to rotately.
3, according to the bicycle handle bar post bumper of claim 1 or the 2 described foldable structures that contract in having, it is characterized in that: it also comprises bicycle beam anchor shaft (6), on spring limit plug (7), be vertically arranged with the strip notch, with on the inner core (1) of this strip notch correspondence position the anchor shaft through hole is set, bicycle beam anchor shaft (6) is installed in anchor shaft through hole and the strip notch.
4, bicycle handle bar post bumper according to claim 1 or the 2 described foldable structures that contract in having, it is characterized in that: described elasticity pin comprises pin sleeve pipe (10), there is spring pin (11) centre in pin sleeve pipe (10), respectively there is a pin (12) at two ends, stifled and the cage guiding sheet (14) of pin is arranged in the outside, lower end of inner core (1), have on the guide piece (14) and cooresponding two the pin through holes of pin (12), guide piece is vertically arranged with strip direction recess or projection on (14), in urceolus (15), have with guide piece (14) on strip direction recess or protruding cooresponding guide protrusions (13) or groove.
5, the bicycle handle bar post bumper of foldable structure contracts in having according to claim 3 is described, it is characterized in that: described elasticity pin comprises pin sleeve pipe (10), there is spring pin (11) centre in pin sleeve pipe (10), respectively there is a pin (12) at two ends, stifled and the cage guiding sheet (14) of pin is arranged in the outside, lower end of inner core (1), have on the guide piece (14) and cooresponding two the pin through holes of pin (12), guide piece is vertically arranged with strip direction recess or projection on (14), in urceolus (15), have with guide piece (14) on strip direction recess or protruding cooresponding guide protrusions (13) or groove.
6, according to the bicycle handle bar post bumper of claim 1 or the 2 described foldable structures that contract in having, it is characterized in that: it also comprises the brake cable passage, and described brake cable passage is to be provided with the brake cable through hole on inner core (1), spring limit plug (7), dashpot piston (9) and urceolus (15).
7, contract in having according to claim 3 the is described bicycle handle bar post bumper of foldable structure, it is characterized in that: it also comprises the brake cable passage, and described brake cable passage is to be provided with the brake cable through hole on inner core (1), spring limit plug (7), dashpot piston (9) and urceolus (15).
8, contract in having according to claim 4 the is described bicycle handle bar post bumper of foldable structure, it is characterized in that: it also comprises the brake cable passage, and described brake cable passage is to be provided with the brake cable through hole on inner core (1), spring limit plug (7), dashpot piston (9) and urceolus (15).
9, contract in having according to claim 5 the is described bicycle handle bar post bumper of foldable structure, it is characterized in that: it also comprises the brake cable passage, and described brake cable passage is to be provided with the brake cable through hole on inner core (1), spring limit plug (7), dashpot piston (9) and urceolus (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201353570U CN201280191Y (en) | 2008-08-22 | 2008-08-22 | Bicycle handlebar post shock absorber with internal contraction folding structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201353570U CN201280191Y (en) | 2008-08-22 | 2008-08-22 | Bicycle handlebar post shock absorber with internal contraction folding structure |
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CN201280191Y true CN201280191Y (en) | 2009-07-29 |
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CNU2008201353570U Expired - Fee Related CN201280191Y (en) | 2008-08-22 | 2008-08-22 | Bicycle handlebar post shock absorber with internal contraction folding structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103950498A (en) * | 2014-04-20 | 2014-07-30 | 茅鸿勇 | Handlebar and head connecting mechanism |
CN105830146A (en) * | 2013-12-19 | 2016-08-03 | 株式会社歌斐木 | Tone-controlled functional acoustic guitar |
CN113942604A (en) * | 2021-05-13 | 2022-01-18 | 浙江喜家登科技有限公司 | Liftable split handle structure of bassinet |
-
2008
- 2008-08-22 CN CNU2008201353570U patent/CN201280191Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105830146A (en) * | 2013-12-19 | 2016-08-03 | 株式会社歌斐木 | Tone-controlled functional acoustic guitar |
CN103950498A (en) * | 2014-04-20 | 2014-07-30 | 茅鸿勇 | Handlebar and head connecting mechanism |
CN113942604A (en) * | 2021-05-13 | 2022-01-18 | 浙江喜家登科技有限公司 | Liftable split handle structure of bassinet |
CN113942604B (en) * | 2021-05-13 | 2023-03-10 | 浙江喜家登科技有限公司 | Liftable split handle structure of bassinet |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20110822 |