CN101811545A - Rear-mounted brake with low wind resistance - Google Patents

Rear-mounted brake with low wind resistance Download PDF

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Publication number
CN101811545A
CN101811545A CN 201010171605 CN201010171605A CN101811545A CN 101811545 A CN101811545 A CN 101811545A CN 201010171605 CN201010171605 CN 201010171605 CN 201010171605 A CN201010171605 A CN 201010171605A CN 101811545 A CN101811545 A CN 101811545A
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CN
China
Prior art keywords
brake
jig arm
wind resistance
arc
fork tube
Prior art date
Application number
CN 201010171605
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Chinese (zh)
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CN101811545B (en
Inventor
蔡赐芳
Original Assignee
彦豪金属工业股份有限公司
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Publication date
Application filed by 彦豪金属工业股份有限公司 filed Critical 彦豪金属工业股份有限公司
Priority to CN201010171605.9A priority Critical patent/CN101811545B/en
Publication of CN101811545A publication Critical patent/CN101811545A/en
Application granted granted Critical
Publication of CN101811545B publication Critical patent/CN101811545B/en

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Abstract

The invention discloses a rear-mounted brake with low wind resistance, which is arranged at the rear side of a front fork pipe. The cross section of the clamping arm of the brake is approximately in a reducing tapered cone-shaped structure facing to the direction away from the direction of front fork pipe, and is approximately in a reducing cone-shaped structure facing to the direction adjacent to the direction of the clamping arm of the brake in cooperation with the cross section of the front fork pipe; and the back surface of the front fork pipe is approximately in a reducing tapered cone-shaped structure longitudinally facing to the pin-connection direction away from the direction of pin-connected part of the clamping arm of the brake. The front fork pipe is in contact fixation with the clamping arm of the brake by a supporting plane so that the front fork pipe is wider than each clamping arm of the brake, and the wind resistance is reduced, counterflow of cyclone is avoided, and the speed is increased when a rider races. The brake is arranged at the rear side of the front fork pipe, the distance (L) between the centre widths of the shaft tubes on both sides of the front fork pipe ranges from 59mm to 63mm, and the distance (H) between the center heights of the shaft tubes on both sides and the shaft sleeve of the pin-connected part of the clamping arm of the brake ranges from 60mm to 70mm.

Description

The rear-mounted brake with low wind resistance device
Technical field
The present invention relates to brake gear, relate in particular to a kind of rear-mounted brake with low wind resistance device of being located at bicycle front fork pipe rear side.
Background technology
Differentiation along with the epoch, and the new line of environmental consciousness, existing in the world majority state encourages the people all riding instead of walk with bicycle in the meeting, and all cooking up the track that is specific to the bicycle use in the meeting, to slow down the aerial contamination that fuel causes, and energy mitigation traffic behavior, and the modern generally has the amount of exercise deficiency, drive bicycle and can have the effect of sport and body-building concurrently, add various communications medias and constantly propagate the grand occasion of bicycleracing, the progress of science and technology simultaneously also promotes every function of bicycle, so bicycle is subjected to attracting attention of everybody again again, and has more people to use bicycle as the instrument of riding instead of walk once again; And with regard to the speed ability of bicycle, the bicycle of the basic speed of a motor vehicle emphatically is except considering that car body lightweight, tyre width reductionization and part are oversimplified, the another one important consideration promptly is, running windage is also for hindering the quite big factor of the speed of a motor vehicle, that is to say when windage is lower, relative the speeding up of bicycle of just allowing, so how to effectively reduce the driving windage, be the target of bicycle dealer research, also be the problem place that institute of the present invention desire is deeply inquired into always.
Though reducing windage is the purpose that the dealer thinks deeply improvement in many ways,, cause windage to increase especially causing air-flow to revolve stagnating and influencing the speed of a motor vehicle because the Front brake device of known bicycle structure system is installed in the place ahead of front fork tube; With the compete for speed bicycle of usefulness of match, except that requiring its car body to have the perfect stream line pattern, how windage is reduced to minimumly, general manufacturing person's thinking usually is the improvement that all is confined to cycle frame or its related accessory material, can't effectively improve the windage problem.
Summary of the invention
The technical matters that the present invention mainly solves provides and a kind ofly can reduce windage, the rear-mounted brake with low wind resistance device of avoiding cyclone to reflux.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of rear-mounted brake with low wind resistance device is provided, and this brake device comprises:
One group of brake jig arm, an end of each jig arm of braking has an articulated section, and contiguous this place, articulated section has a combined hole, this articulated section is pivotally secured in this front fork tube with one first Combining bolt, and this brake jig arm one of them be connected with a brake cable sleeve pipe;
One group of brake holder is the combined hole that is fixed on the jig arm of respectively braking respectively with one second Combining bolt, and the axis direction of the holder that should brake is vertical with the axis direction of this brake jig arm; And
One group of brake shoes, system is fixed on the holder that respectively brakes respectively, and the axis direction of this brake shoes is parallel with the axis direction of this brake holder, wherein: this brake gear is arranged on the rear side of front fork tube, and its center width spacing of two side shaft pipes of front fork tube is 59mm-63mm, and its center height spacing of axle sleeve of two side shaft pipes and brake jig arm articulated section is 60mm-70mm.
Wherein, the cross-sectional plane of each jig arm of braking is the cone-shaped structure of convergent towards the direction away from this front fork tube.
Wherein, this front fork tube and this brake jig arm contact position is one to abut against the plane.
Wherein, the cross-sectional plane of this front fork tube is the cone structure of convergent towards the direction of contiguous this brake jig arm.
Wherein, this front fork tube back side is the pointed cone structure of convergent vertically towards articulated section, the articulated section direction of the jig arm of respectively should braking away from this.
Wherein, the width of this front fork tube is greater than the width of each brake jig arm.
Wherein, this brake cable cover piping must be linked on the left of the brake jig arm or the axle sleeve in the articulated section of any side on right side.
Wherein, this brake holder passes the combined hole and a convex-concave arc washer of the jig arm of respectively braking respectively with one second Combining bolt, and screws togather fixed brake holder.
Wherein, the front end of this convex-concave arc washer just pastes the convex arc section of supporting the brake holder with its concave-arc part, and the concave-arc part of the combined hole that is butted on the brake jig arm is just pasted with its convex arc section in the rear end of convex-concave arc washer, and this second Combining bolt can produce the circular arc position to adjustment to the brake shoes of brake holder.
Wherein, its center width spacing of two side shaft pipes of described front fork tube is short or when using the broad wheel rim, then the convex-concave arc washer of two sides promptly is able to removal, only utilize the convex arc section of brake holder to cut combination, still have and to do the circular arc position to adjustment to the brake shoes of brake holder to reach second Combining bolt with the direct arc of concave-arc part of the combined hole of brake jig arm.
The invention has the beneficial effects as follows: by said structure, rear-mounted brake gear of the present invention is the rear side that is arranged on front fork tube, the cross-sectional plane of brake jig arm is towards the cone-shaped structure that roughly is convergent away from the direction of front fork tube, cooperating the cross-sectional plane of front fork tube again is the cone structure that roughly is convergent towards the direction of being close to the brake jig arm, and the front fork tube back side vertically is towards articulated section, the articulated section direction away from each brake jig arm, the pointed cone structure that roughly is convergent, and the front fork piping is fixing for the contact of brake jig arm to abut against the plane, make front fork tube width greater than the brake jig arm width, therefore can make the rider when competing for speed, reduce windage, avoid cyclone to reflux, use the raising speed of a motor vehicle.
Description of drawings
The three-dimensional structure diagram that Fig. 1 combines with front fork tube for rear-mounted brake with low wind resistance device of the present invention.
Fig. 2 is incorporated into the three-dimensional structure diagram at another visual angle for rear-mounted brake with low wind resistance device of the present invention and front fork tube.
The part three-dimensional exploded view that Fig. 3 combines with front fork tube for rear-mounted brake with low wind resistance device of the present invention.
The lateral plan that Fig. 4 combines with front fork tube for rear-mounted brake with low wind resistance device of the present invention.
The front elevation that Fig. 5 combines with front fork tube for rear-mounted brake with low wind resistance device of the present invention (convex-concave arc washer is arranged).
The front elevation that Fig. 6 combines with front fork tube for rear-mounted brake with low wind resistance device of the present invention (no convex-concave arc washer).
Fig. 7 is the partial structure cutaway view of rear-mounted brake with low wind resistance device in conjunction with the bicycle front fork pipe.
Fig. 8 is another preferred embodiment figure of its brake cable sleeve pipe of rear-mounted brake with low wind resistance device.
The primary clustering nomenclature
1 rear-mounted brake with low wind resistance device; 2 brake jig arm; 21,22 articulated sections;
23 combined holes; 231 concave-arc parts; 24 brake cable sleeve pipes; 25 first Combining bolts;
26 brake cable; 27,28 axle sleeves; 3 brake holders; 31 second Combining bolts;
311 convex-concave arc washers; 3111 concave-arc parts; 3112 convex arc sections; 32 convex arc sections;
4 brake shoes; 5 bicycles; 6 front fork tubes; 61 abut against the plane; 62 central siphons; 7 wheel rims.
The specific embodiment
By describing technology contents of the present invention, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1 to shown in Figure 8, the invention discloses a kind of rear-mounted brake with low wind resistance device, this rear-mounted brake with low wind resistance device 1 is arranged on the rear side (being the right side of Fig. 4) of the front fork tube 6 of bicycle, promptly towards trailing wheel or rider's direction setting, and the cross-sectional plane of front fork tube 6 is towards the direction of contiguous brake jig arm 2, system roughly is the cone structure of convergent, add front fork tube 6 back sides vertically towards the pointed cone structure that is convergent away from 21,22 articulated sections, articulated section, can lower the windage that the rider is produced by this when competing for speed with each brake jig arm 2.
In addition, front fork tube 6 is to abut against the plane with one to fix for 2 contacts of brake jig arm, makes the width of the width of front fork tube 6 greater than brake jig arm 2 by this, reduces the windage that produces when competing for speed by this, more avoids cyclone to reflux.
The rear-mounted brake with low wind resistance device 1 of present embodiment comprises one group of brake jig arm 2, one group of brake holder 3 and one group of brake shoes 4.
The cross-sectional plane of brake jig arm 2 is the cone-shaped structure that roughly is convergent towards the direction away from front fork tube 6, and the structure of the front fork tube 6 of arranging in pairs or groups by this is to reduce windage; And the top of two sides brake jig arm 2 has articulated section 21,22, and 21,22 places, contiguous articulated section have a combined hole 23, articulated section 21,22 is the central siphon 62 that is pivotally secured in front fork tube 6 with one first Combining bolt 25, the top of each jig arm 2 of braking contiguous front fork tube 6 of an end of 21,22 system in the articulated section is provided with, and brake jig arm 2 one of them at a end with articulated section 21,22, be connected with a brake cable sleeve pipe 24, wear for a brake cable 26, and interlock axle sleeve 27,28 in jig arm 2 articulated sections 21,22 folder when doing the to brake start of pulling of respectively braking.
Brake cable sleeve pipe 24 can be on the left side or the right side of front fork tube 6, can be at the different size of country variant and make change, not as limit; And the present invention system is an example with the right side at front fork tube 6, describes.
Brake holder 3 is a combined hole 23 and a convex-concave arc washer 311 that passes the jig arm 2 of respectively braking respectively with one second Combining bolt 31, and screw togather fixed brake holder 3, wherein, because the convex arc section 32 of supporting brake holder 3 is just pasted with its concave-arc part 3111 by the front end of this convex-concave arc washer 311 system, and the concave-arc part 231 of the combined hole 23 that is butted on brake jig arm 2 just pastes in the rear end of convex-concave arc washer 311 system with its convex arc section 3112, therefore, this second Combining bolt 31 is to have to produce the circular arc position to the benefit of adjusting to the brake shoes 4 of brake holder 3; Moreover, when two side shaft pipes, 62 its center width spacings (L) of chance and front fork tube 6 are lacked or are used broad wheel rim 7, then the convex-concave arc washer 311 of two sides promptly is able to removal, only utilize the convex arc section 32 of brake holder 3 to cut combination, then still reached second Combining bolt 31 and have and to produce the circular arc position to the function of adjusting to the brake shoes 4 of brake holder 3 with the concave-arc part 231 direct arcs of the combined hole 23 of brake jig arm 2.Brake again holder 3 axis direction with the brake jig arm 2 the axis direction approximate vertical; Brake shoes 4 is fixed on the holder 3 that respectively brakes respectively, and the axis direction almost parallel of the axis direction of brake shoes 4 and brake holder 3.
By said structure, rear-mounted brake with low wind resistance device 1 of the present invention is the rear side that is arranged on front fork tube 6, the cross-sectional plane of brake jig arm 2 is towards the cone-shaped structure that roughly is convergent away from the direction of front fork tube 6, cooperating the cross-sectional plane of front fork tube 6 again is the cone structure that roughly is convergent towards the direction of being close to brake jig arm 2, and front fork tube 6 back sides vertically are towards the articulated section 21 away from each brake jig arm 2,22 articulated section directions, the pointed cone structure that roughly is convergent, and front fork tube 6 is fixing for 2 contacts of brake jig arm to abut against plane 61, make front fork tube 6 width greater than the brake jig arm 2 width, therefore can make the rider when competing for speed, reduce windage, avoid cyclone to reflux, use the raising speed of a motor vehicle.
What especially must be illustrated is, two side shaft pipes, 62 its center width spacings (L) of front fork tube 6 are with 59mm-63mm among the present invention, and axle sleeve 27,28 its center height spacings (H) of this two side shafts pipe 62 and brake jig arm 2 articulated sections are to be best enforcement state person with 60mm-70mm, and are special and give and indicating.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. rear-mounted brake with low wind resistance device, this brake device comprises:
One group of brake jig arm, an end of each jig arm of braking has an articulated section, and contiguous this place, articulated section has a combined hole, this articulated section is pivotally secured in this front fork tube with one first Combining bolt, and this brake jig arm one of them be connected with a brake cable sleeve pipe;
One group of brake holder is the combined hole that is fixed on the jig arm of respectively braking respectively with one second Combining bolt, and the axis direction of the holder that should brake is vertical with the axis direction of this brake jig arm; And
One group of brake shoes, system is fixed on the holder that respectively brakes respectively, and the axis direction of this brake shoes is parallel with the axis direction of this brake holder, it is characterized in that: this brake gear is arranged on the rear side of front fork tube, and its center width spacing of two side shaft pipes of front fork tube is 59mm-63mm, and its center height spacing of axle sleeve of two side shaft pipes and brake jig arm articulated section is 60mm-70mm.
2. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: the cross-sectional plane of each jig arm of braking is the cone-shaped structure of convergent towards the direction away from this front fork tube.
3. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: this front fork tube and this brake jig arm contact position are one to abut against the plane.
4. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: the cross-sectional plane of this front fork tube is the cone structure of convergent towards the direction of contiguous this brake jig arm.
5. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: this front fork tube back side vertically towards away from this articulated section, articulated section direction of this brake jig arm respectively, is the pointed cone structure of convergent.
6. rear-mounted brake with low wind resistance device according to claim 3 is characterized in that: the width of this front fork tube is greater than the width of each brake jig arm.
7. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: this brake cable cover piping must be linked on the left of the brake jig arm or the axle sleeve in the articulated section of any side on right side.
8. rear-mounted brake with low wind resistance device according to claim 1 is characterized in that: this brake holder passes the combined hole and a convex-concave arc washer of the jig arm of respectively braking respectively with one second Combining bolt, and screws togather fixed brake holder.
9. rear-mounted brake with low wind resistance device according to claim 8, it is characterized in that: the front end of this convex-concave arc washer just pastes the convex arc section of supporting the brake holder with its concave-arc part, and the concave-arc part of the combined hole that is butted on the brake jig arm is just pasted with its convex arc section in the rear end of convex-concave arc washer, and this second Combining bolt can produce the circular arc position to adjustment to the brake shoes of brake holder.
10. rear-mounted brake with low wind resistance device according to claim 1, it is characterized in that: its center width spacing of two side shaft pipes of described front fork tube is short or when using the broad wheel rim, then the convex-concave arc washer of two sides promptly is able to removal, only utilize the convex arc section of brake holder to cut combination, still have and to do the circular arc position to adjustment to the brake shoes of brake holder to reach second Combining bolt with the direct arc of concave-arc part of the combined hole of brake jig arm.
CN201010171605.9A 2010-04-21 2010-04-21 Rear-mounted brake with low wind resistance CN101811545B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010171605.9A CN101811545B (en) 2010-04-21 2010-04-21 Rear-mounted brake with low wind resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010171605.9A CN101811545B (en) 2010-04-21 2010-04-21 Rear-mounted brake with low wind resistance

Publications (2)

Publication Number Publication Date
CN101811545A true CN101811545A (en) 2010-08-25
CN101811545B CN101811545B (en) 2014-10-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986273A (en) * 2015-03-19 2015-10-21 彦豪金属工业股份有限公司 Bicycle front fork structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR919492A (en) * 1945-12-28 1947-03-10 Brake for cycles, bicycles and motorcycles
CN2330570Y (en) * 1998-05-08 1999-07-28 利奇机械工业股份有限公司 Brake buffer device of bicycle brake
CN2413995Y (en) * 2000-04-11 2001-01-10 游峰铭 Clamping arm for bicycle brake
CN2608407Y (en) * 2003-03-25 2004-03-31 英隆机械(昆山)有限公司 Suspension wire improvement structure of bicycle brake
US20090078512A1 (en) * 2007-09-26 2009-03-26 Craig Hawley Edwards Light weight bicycle brake assembly
DE102009024890A1 (en) * 2008-06-16 2010-01-07 Rp Beheer Nv Caliper brake system for bicycle, has brake arm comprising narrow zone between two zones so that brake shoe is moved during actuation of system in circle in axis, where one of two zones is connected with structure element or interface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR919492A (en) * 1945-12-28 1947-03-10 Brake for cycles, bicycles and motorcycles
CN2330570Y (en) * 1998-05-08 1999-07-28 利奇机械工业股份有限公司 Brake buffer device of bicycle brake
CN2413995Y (en) * 2000-04-11 2001-01-10 游峰铭 Clamping arm for bicycle brake
CN2608407Y (en) * 2003-03-25 2004-03-31 英隆机械(昆山)有限公司 Suspension wire improvement structure of bicycle brake
US20090078512A1 (en) * 2007-09-26 2009-03-26 Craig Hawley Edwards Light weight bicycle brake assembly
DE102009024890A1 (en) * 2008-06-16 2010-01-07 Rp Beheer Nv Caliper brake system for bicycle, has brake arm comprising narrow zone between two zones so that brake shoe is moved during actuation of system in circle in axis, where one of two zones is connected with structure element or interface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986273A (en) * 2015-03-19 2015-10-21 彦豪金属工业股份有限公司 Bicycle front fork structure

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