CN102372063A

CN102372063A - Oil-guiding device for oil pressure brake

Info

Publication number: CN102372063A
Application number: CN2010102641473A
Authority: CN
Inventors: 莫韦恩
Original assignee: YONGKEDA INDUSTRY CO LTD
Current assignee: YONGKEDA INDUSTRY CO LTD; Ashima Ltd
Priority date: 2010-08-27
Filing date: 2010-08-27
Publication date: 2012-03-14
Anticipated expiration: 2030-08-27
Also published as: CN102372063B

Abstract

The invention relates to an oil-guiding device for an oil pressure brake, which comprises a brake handle, an oil-guiding piece and a cover plate, wherein an oil storage base is arranged on the brake handle; an oil chamber is arranged in the oil storage base; an oil-guiding base is arranged at the bottom of the oil chamber; an oil inlet and an oil outlet are formed on the oil-guiding base; the oil-guiding piece is combined with the oil-guiding base; an oil pipe opposite to the oil outlet and an oil hole opposite to the oil inlet are arranged on the oil-guiding piece; an end part of the oil pipe faces to a position of a joint of the brake handle and a brake bar; and the cover plate is jointed outside the oil storage base and is used for sealing the oil chamber. When the brake handle is in bias arrangement relative to a bicycle handle, oil materials in the oil chamber are accumulated at one end of the oil chamber close to the brake bar under the action of gravity, the oil materials on the end part of the oil chamber are absorbed by the oil pipe and are output from the oil outlet for braking, and the recycled oil materials are received by the oil inlet so as to enter into the oil chamber, thereby avoiding causing phenomena of air bubbles and air compression and keeping normal running of the brake.

Description

Oil pressure brake oil-guide device

Technical field

The present invention relates to a kind of oil pressure brake oil-guide device.

Background technology

Brake system on the bicycle is control the driving speed of a motor vehicle, maintenance safe extremely crucial; In the brake system as with hydraulic type disc brake system; It mainly is the oil pocket seat that is provided with a built-in oil plant in handlebar, and oil pocket seat one end is provided with an available brake lever of pulling pressure, and the oil pocket seat in addition end then be provided with the oil pipe that is connected to brake binder; For when the user pushes brake lever; Can the oil plant in the oil pocket seat be clamp-oned oil pipe, and then promote the interior Lining of brake binder to the clamping of the disc on the wheel, to reach the purpose of brake.The characteristic that hydraulic brake system can not reduce pressure arbitrarily through the oil plant high-consistency; And can significantly promote the ability of its abrasion resisting; And be prone to keep balance and can promote its braking effect, therefore more and more welcome, and applied to widely on the bicycle of purposes such as fierceness or cross-country highway section.

And existing oil pressure brake is formed with the hollow oil pocket that ccontaining oil plant and brake lever piston set are slided in its oil pocket seat, and a side wall surface of oil pocket seat is formed with the oil groove of the ccontaining additional oil plant of a confession; Be respectively equipped with the first different guide hole of aperture and second guide hole in the piston set both sides between this oil groove and oil pocket, flow each other between oil pocket and oil groove for oil plant, moreover the opening of oil groove be covered with a soft diaphragm; Oil groove also is provided with an oil groove cover plate in soft diaphragm external lock; So as to when the user pushes brake lever, piston set capable of using is pushed the oil plant in the oil pocket to brake binder via the oil pipe of an end, when the user decontrols brake lever; Then the oil plant in the oil groove utilizes first guide hole to get into piston set the place ahead of oil pocket; To replenish the oil plant in the oil pocket, the pneumatics action takes place when avoiding braking once more, have influence on the effect of brake.

Because the correct angle of brake lever will be kept on the extended line of arm, if brake lever setting angle level too; Then wrist is sagging, and rider's body weight is above the waist concentrated on here with impacting from ground-surface, causes the pain of wrist; Therefore the oil pocket seat certainly will be in response to the brake lever setting angle; Need the relative handlebar angle of adjustment oil pocket seat,, and grip handlebar with rider's arm and extend online so the oil pocket seat is to be adjusted under the level with brake lever.

Yet; This kind mounting means can cause the oil pocket seat to be inclined on the handlebar, and the oil plant in the lower oil cavitie of long-term use can flow to brake binder and accumulate excessive oil plant through oil pipe, causes that the oil plant deficiency is full of air in the oil groove; Make air get in the oil circuit and cause situation such as pneumatics, bubble by oil guiding hole; Not only influence braking effect, too much bubble can seriously cause brake to be lost efficacy in the oil circuit, and then harm rider's inherently safe.

In view of this; The inventor is in order to improve above-mentioned defective; In the accumulating experience for many years of this industry, and through constantly design and research and development, and invent out a kind of oil pressure brake oil-guide device finally with the individual; Produce situation such as pneumatics, bubble when avoiding brake, so that good braking effect is kept in oil pressure brake normal operation.

Summary of the invention

Technical problem underlying to be solved by this invention is; Overcome the above-mentioned defective that prior art exists; And a kind of oil pressure brake oil-guide device is provided; Produce situation such as pneumatics, bubble when it avoids brake, so that oil pressure brake normal operation is kept good braking effect, the service life of prolongation bicycle oil brake.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of oil pressure brake oil-guide device is characterized in that, comprises a brake crank, an oil-deflecting element and a cladding plate; This brake crank is provided with a store oil seat, and in this store oil seat being is a grease chamber, and this bottom, grease chamber is to be provided with an Oil Guide seat, is to be provided with one to go into an oilhole and an oil outlet on this Oil Guide seat; This oil-deflecting element is to combine with the Oil Guide seat; And on the oil-deflecting element be provided with one with the oil pipe of oil outlet contraposition; And one with go into the oilhole of oilhole contraposition, this oil pipe end is the position that combines with brake lever towards brake crank, and this cladding plate is to be incorporated into store oil seat outer closure grease chamber;

Whereby; When brake crank relative proper motion driver handle is obliquely installed; Oil plant in the grease chamber amasss in the grease chamber near an end of brake lever because of gravity, and oil pipe be can receive really the oil plant accumulated in the end, grease chamber by oil outlet output for brake, go into oilhole and be the oil plant that receives circulation and return to get into the grease chamber; And avoid the phenomenon of bubbling, pneumatics, keep the normal operation of brake.

Aforesaid oil pressure brake oil-guide device, wherein store oil seat outer rim is provided with a packing ring, and cladding plate inserts and puts this packing ring and combines with said store oil seat, spills outside the grease chamber to prevent oil plant by means of this packing ring.

The invention has the beneficial effects as follows, produce situation such as pneumatics, bubble when it avoids brake, so that oil pressure brake normal operation is kept good braking effect, the service life of prolongation bicycle oil brake.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified.

Fig. 1 is an oil pressure brake oil-guide device exploded perspective scheme drawing of the present invention.

Fig. 2 is an oil pressure brake oil-guide device bonding state part perspective diagram of the present invention.

Fig. 3 is an oil pressure brake oil-guide device of the present invention side cross-sectional schematic.

Fig. 4 is the positive cross-sectional schematic of oil pressure brake oil-guide device of the present invention.

Label declaration among the figure:

1 brake crank, 11 store oil seats, 12 grease chambeies, 13 Oil Guide seats

131 go into oilhole 132 oil outlets 14 joint portions 2 oil-deflecting elements

21 oil pipes, 22 oilholes, 3 cladding plates, 31 packing rings

4 brake lever, 5 Handlebar of bicycle

The specific embodiment

See also Fig. 1 and shown in Figure 2, it is main embodiment of the present invention, comprises a brake crank 1, an oil-deflecting element 2 and a cladding plate 3, wherein:

This brake crank 1 is provided with a store oil seat 11, is a grease chamber 12 in this store oil seat 11, and these 12 bottoms, grease chamber are provided with an Oil Guide seat 13; This Oil Guide seat 13 is provided with one and goes into an oilhole 131 and an oil outlet 132; As shown in Figure 1, these brake crank 1 one ends are to be pivoted with the brake lever 4 of bicycle to engage, and offer this store oil seat 11 on the brake crank 1; It in the store oil seat 11 grease chamber 12 that hollows out shape; The grease chamber establishes 12 bottoms the Oil Guide seat 13 of this standing shape, and Oil Guide seat 13 inner faces are established this and gone into oilhole 131 and oil outlet 132, and the be pivoted other end of brake lever 4 of brake crank 1 is to be provided with the joint portion 14 that combines with Handlebar of bicycle 5; And can be through joint portion 14 adjustment brake crank 1 relative proper motion drivers 5 angle of inclination, drive attitude with what the cooperation knight held;

This oil-deflecting element 2 is to combine with Oil Guide seat 13, and oil-deflecting element 2 be provided with one with the oil pipe 21 of oil outlet 132 contrapositions, and one with the oilhole 22 of going into oilhole 131 contrapositions; These oil pipe 21 ends are the positions that combine with brake lever 4 towards brake crank 1; And this cladding plate 3 is incorporated into store oil seat 11 outer closure grease chambeies 12, and like Fig. 1, shown in Figure 2, this oil-deflecting element 2 is to be embedded with Oil Guide seat 13 to combine; And the oil pipe on the oil-deflecting element 2 21 is to communicate with oil outlet 132; And oilhole 22 is to communicate with going into oilhole 131, oil pipe 21 ends and towards the direction of brake lever 4, and these store oil seat 11 outer rims are provided with a packing ring 31; And cladding plate 3 is to insert and put this packing ring 31 to combine with store oil seat 11, borrows this packing ring 31 to spill outside grease chamber 12 to prevent oil plant;

See also Fig. 3, shown in Figure 4, owing to brake crank 1 must the relative proper motion driver be obliquely installed, to cooperate knight's grip posture to 5; Make hand be difficult for feeling to ache; Therefore when brake crank 1 relative proper motion driver is obliquely installed 5, the oil plants in the grease chamber 12 amass 12 ends near brake lever 4 in the grease chamber because of gravity, and oil pipe 21 is can receive the oil plant of accumulating 12 ends in the grease chamber really (structure that oil pressure brakes belongs to prior art for braking by oil outlet 132 outputs; Main purpose of the present invention is in the design that utilizes oil pipe 21; Make oil pipe 21 ends can be positioned at oil plant and accumulate 12 parts in the grease chamber because of gravity, how relevant oil plant is operated through oil pressure installation by oil outlet 132 so the present invention repeats no more, and the explanation of returning by going into oilhole 131 circulations); Going into oilhole 131 is to receive the oil plant that circulates and return to get into grease chamber 12; Make oil plant in grease chamber's 12 processes, can not let in the air admission oil pipe 21, and avoid the phenomenon of bubbling, pneumatics; The normal operation that keeps brake prolongs service life of bicycle oil brake in view of the above.

Claims

1. an oil pressure brake oil-guide device is characterized in that, comprises a brake crank, an oil-deflecting element and a cladding plate;

This brake crank is provided with a store oil seat, and in this store oil seat being is a grease chamber, and this bottom, grease chamber is provided with an Oil Guide seat, and this Oil Guide seat is provided with one and goes into an oilhole and an oil outlet;

This oil-deflecting element is to combine with the Oil Guide seat, and oil-deflecting element be provided with one with the oil pipe of oil outlet contraposition, and one with the oilhole of going into the oilhole contraposition, this oil pipe end is the position that combines with brake lever towards brake crank, and this cladding plate is to be incorporated into store oil seat outer closure grease chamber;

2. oil pressure according to claim 1 brake oil-guide device is characterized in that said store oil seat outer rim is provided with a packing ring, and cladding plate inserts and puts this packing ring and combines with said store oil seat, spills outside the grease chamber to prevent oil plant by means of this packing ring.