CN2928666Y

CN2928666Y - Brake regulator for handle

Info

Publication number: CN2928666Y
Application number: CN 200620122630
Authority: CN
Inventors: 王淳钦
Original assignee: HENGTONG MACHINERY CO Ltd
Current assignee: HENGTONG MACHINERY CO Ltd
Priority date: 2006-07-19
Filing date: 2006-07-19
Publication date: 2007-08-01
Anticipated expiration: 2016-07-19

Abstract

Disclosed is a handle brake adjuster which is applicable to bicycles and miscellaneous oil-pressure brake systems cum manual brakes or pedal brakes, and the handle brake adjuster comprises a supporting frame, a hydraulic control group, a brace and an adjuster, a hydraulic oil sink and an oil entrance are arranged on the supporting frame, the hydraulic control group is positioned in the inner portion of the supporting frame, so as to control the on-off of the oil entrance, the vehicle can be braked when the oil entrance is closed, the brace is arranged at one end of the supporting frame via a pin and interlocked with the hydraulic control group, the position of the hydraulic control group in the supporting frame can be controlled via the brace, furthermore, the adjuster is arranged on the supporting frame and connected with the hydraulic control group, the presetting stroke distance between the hydraulic control group inside the supporting frame and the oil entrance can be adjusted by rotating the adjuster, thereby reaching the aim of adjusting the brake sensibility ( i.e., the down-pressed stroke length of the brace of the brake handle).

Description

The brake adjuster of handle

Technical field

The utility model refers to a kind of handle that can adjust the brake sensitivity especially about a kind of brake adjuster of handle.

Background technology

In today that quality of the life constantly promotes, leisure and motion more and more are much accounted of, along with the promotion of outdoor leisure activity, and the popularization that keeps " exercise habit weekly ", be the motion especially of a kind of stress-relieving activity by bike, for example gone for an outing in early spring by bike and bicycleracing.

Progress along with science and technology, the design of bicycle is also more and more progressive, no matter be to emphasize the bicycle of sports type or the bicycle of comfort type, not a difficult matter for present bicycle designs level, and when pursuit is more ultimate attainment, the safety of bicycle also is the target of a pursuit, and the brake system of bicycle promptly provides one of essential condition of bicycle safe.

Just at present generally speaking, the brake system that in bicycle body, is equipped with, as shown in Figure 1, just bracket arm 91 is compressed toward handle direction when the user will brake, this moment, this bracket arm 91 was the axle center with rotating shaft 92 just, and interlock push rod 93 pushes against piston 94 toward oil inlet port 96 directions, when oil sealing 95 props up oil inlet port 96, promptly finished brake, but the sensitivity of this kind brake system (the stroke length that brake presses down) fix, can't adjust according to user's demand.

Especially when driving in Ordinary road, the brake sensitivity is generally promptly enough, but when when carrying out cross-country movement, then need higher brake sensitivity (stroke that brake presses down is shorter), yet general brake structure but can't be adjusted its sensitivity, for its safety, virtually with regard to many one deck misgivings.

The utility model content

Main purpose of the present utility model provides a kind of and can adjust the stroke length that brake presses down, to reach the brake adjuster of adjusting brake sensitivity purpose.

The brake adjuster of handle of the present utility model, its another purpose is to provide a kind of adjustable brake mode, by adjusting oil sealing and going into the absolute presupposition stroke distances of oilhole, cooperates the different patterns that drives.

The brake adjuster of handle of the present utility model is meant to be equipped with an adjuster on the brake crank in brake system, adjusts the action of knob by simple turn, can adjust brake sensitivity (that is the pull bar of brake crank press down stroke length).

Short more with the default stroke distances of going into oilhole when oil sealing, the oil sealing advance is less, that is pull bar start angle is less, and sensitivity is just high more, is fit to cross-country movable the use.

When oil sealing with to go into the default stroke distances of oilhole long more, the oil sealing longer distance of need advancing, that is pull bar start angle is bigger, sensitivity is low more, is fit to usual the use.

The beneficial effect that this practicality is new is:

One, sets up an adjuster on the handle in brake system, adjust the action of knob, can adjust brake sensitivity (that is the pull bar of brake crank press down stroke length) by simple turn.

Two, adjustable brake mode by adjusting oil sealing and going into the absolute presupposition stroke distances of oilhole, cooperates the different patterns that drives.

Three, short more with the default stroke distances of going into oilhole when oil sealing, the oil sealing advance is less, that is pull bar start angle is less, and sensitivity is just high more, is fit to cross-country movable use (as Fig. 4 and shown in Figure 5).

Four, when oil sealing with to go into the default stroke distances of oilhole long more, the oil sealing longer distance of need advancing, that is pull bar start angle is bigger, sensitivity is low more, is fit to usual use (as Figure 6 and Figure 7).

Relevant detailed description of the present utility model and technology contents now cooperate graphic being described as follows:

Description of drawings

Fig. 1: habit has bicycle brake structure cutaway view;

Fig. 2: the brake adjuster first embodiment block diagram of the utility model handle;

Fig. 3: the brake adjuster first embodiment exploded drawings of the utility model handle;

Fig. 4: the brake adjuster first embodiment cutaway view of the utility model handle (the brake stroke is shorter);

Fig. 5: the brake adjuster first embodiment action diagram of the utility model handle (the brake stroke is shorter);

Fig. 6: the brake adjuster first embodiment cutaway view of the utility model handle (the brake stroke is longer);

Fig. 7: the brake adjuster first embodiment action diagram of the utility model handle (the brake stroke is longer);

Fig. 8: the adjustment body of rod cutaway view of the utility model brake adjuster first embodiment;

Fig. 9: the adjustment body of rod cutaway view of the utility model brake adjuster second embodiment;

Figure 10: the adjuster exploded drawings of the utility model brake adjuster first embodiment;

Figure 11: the adjuster cutaway view of the utility model brake adjuster first embodiment;

Figure 12: the locations schematic perspective view of the utility model brake adjuster the 3rd embodiment.

[figure number explanation]

10 supports, 11 hydraulic pressure oil grooves

12 oil inlet ports, 30 fluid control groups

31 elastic bodys, 32 oil sealings

33 pistons, 34 push rods

341 round end portions, 50 pull bars

52 rotating shafts of 51 tumblers

70 adjusters 71 are adjusted knob

711 knock holees 72 are adjusted the body of rod

721,722,723,724 eccentric faces

725 class's faces, 73 ring bodies

731 portions of class, 732 fixed blocks

741 place kick of 75 connecting elements

742 springs, 743 draw rings

744 latches, 74 locationss

92 rotating shafts of 91 bracket arms

93 push rods, 94 pistons

95 go into oil sealing 96 hydraulic fluid ports

The specific embodiment

At first, please consult Fig. 2, Fig. 3 and shown in Figure 4 simultaneously, see among the figure and know, the utility model brake crank first embodiment block diagram, exploded drawings and cutaway view, brake adjuster of the present utility model as shown in the figure is applicable on the brake crank of a bicycle, this brake crank includes a support 10, a fluid control group 30, a pull bar 50 and an adjuster 70 at least, wherein have a hydraulic pressure oil groove 11 and an oil inlet port 12 on this support 10, and this oil inlet port 12 connects this hydraulic pressure oil groove 11 and this support 10 inside; This fluid control group 30 is arranged at this support 10 inside, uses the keying of this oil inlet port 12 of control, can brake when oil inlet port 12 is supported by envelope; This pull bar 50, be hubbed at an end of this support 10, on it and be provided with a tumbler 51, a rotating shaft 52, wherein this rotating shaft 52 runs through this support 10 and this pull bar 50, use this pull bar 50 is articulated on this support 10, and this tumbler 51 and these fluid control group 30 interlocks are controlled this position of fluid control group 30 in support 10 by this pull bar 50 and this tumbler 51, furthermore that is control the relative distance of 12 of this fluid control group 30 and oil inlet ports; And an adjuster 70 is arranged on this support 10 and links with this fluid control group 30, uses and adjusts the inner default stroke distances with oil inlet port 12 in support 10 of this fluid control group 30.

In addition, this fluid control group 30 has an elastic body 31 (is example with the spring in present embodiment) that is connected to these support 10 inner walls, and be equipped with in regular turn thereafter an oil sealing that links with this elastic body 31 32, one with the piston 33 of these oil sealing 32 bindings, an and push rod 34, its front end has a round end portion 341, and with this piston 33 connect to.When user's desire is braked, spur this pull bar 50, this pull bar 50 is the axle center with rotating shaft 52 just, via tumbler 51 interlock push rods 34, and pushing and pressing piston 33 and oil sealing 32 promptly can be taken advantage of a situation toward the pushing and pressing of oil inlet port 12 directions by this round end portion 341, when oil sealing 32 supports position oil inlet port 12, promptly finished brake, and after the user loosens pull bar 50, can force this push rod 34, piston 33 and oil sealing 32 to return back to predeterminated position by the elastic force of elastic body 31, to prepare the brake of next time.

70 in this adjuster includes one and adjusts knob 71, and adjust the body of rod 72, a ring body 73, a connecting element 75 and positioning piece 74, wherein should adjust knob 71, is arranged on the side of this support 10, on it and have at least one knock hole 711; This adjusts the body of rod 72, is arranged in this adjustment knob 71 belows, and runs through this support 10; This ring body 73, be sheathed on this push rod 34 and and link with this piston 33, and have a portion of class 731 and a fixed block 732 on this ring body 73, wherein the side of this portion of class 731 and this adjustment body of rod 72 connect to, and this fixed block 732, the one end is arranged in this ring body 73, and its other end then is resisted against this support 10 in-to-in surfaces, rotates in this support 10 in order to limit this ring body 73; This connecting element 75 is fastened on the bottom of this adjustment body of rod 72, and is connected on the another side of this support 10; This locations 74 is arranged on this support 10, and can enter in this at least one knock hole 711, use the position of rotation that defines this adjustment knob 71, it includes a place kick 741 and a spring 742, elastic force by this spring 742 pushes against this place kick 741, this place kick 741 is entered in this at least one knock hole 711, to reach the purpose of location.

See also Fig. 4 again, Fig. 5, as shown in the figure, this adjusts the body of rod 72 is the form of eccentric, so be formed with a plurality of eccentric faces 721 on it, 722,723,724, please consult shown in Figure 8 simultaneously, in other words, this adjustment body of rod 72 is positioned at the eccentric position place of these adjustment knob 71 belows, and the portion of class 731 that adjusts the body of rod 72 and ring body 73 abuts against mutually, adjust the mode of knob 71 by rotation, can make the adjustment body of rod 72 turn to different eccentric faces 721,722,723,724, this off-centre face 721,722,723,724 get final product portion of ejection class 731, and then make ring body 73 ejector rams 33, can utilize the position that changes ring body 73 to control oil sealing 33 and the default stroke distances of going into oilhole 12, and in this icon, adjust knob 71 orders and adjust the body of rod 72 than eccentric face 722 and portion of class 731 butts away from the axle center, make this portion of class 731 away from the axle center of adjusting the body of rod 72, allowing this ring body 73 take advantage of a situation advances to the inside of front frame 10, this moment, this ring body 73 was with interlock piston 33 and oil sealing 32, make oil sealing 32 and the stroke distances of going into oilhole 12 shorten, that is represent 50 on pull bar to need the short effect stroke of pulling, can bring into play the effect of brake, so the sensitivity of brake also improves simultaneously.Vice versa, see also Fig. 6, shown in Figure 7, adjust knob 71 orders and adjust the eccentric face 721 and portion of class 731 butts that the body of rod 72 is bordering on the axle center, make this portion of class 731 near the axle center of adjusting the body of rod 72, this moment, the position of this ring body 73 was away from into oilhole 12, make oil sealing 32 elongated comparatively speaking with the default stroke distances of going into oilhole 12, that is when representing the long effect stroke of pull bar 50 pulling, also can bring into play good braking effect, so the sensitivity of brake then comparatively reduces, need long brake stroke.

Speech further, this adjustment body of rod 72 or can be the form of class except that can be the accentric form, as Fig. 8 and Fig. 9 and shown in Figure 10; If as shown in Figure 8, be the accentric form, this adjustment body of rod 72 can form four eccentric faces 721,722,723,724 of difference and contact with this portion of class 731, and then makes this brake sensitivity that the four-part form adjustment be arranged; And as shown in Figure 9, be second embodiment of the present utility model, wherein this adjustment body of rod 72 has a plurality of Different Diameter that are positioned to locational class face 725, touch to portion of class 731 from class's face 725 all inequality by those and distance of shaft centers, also can form oil sealing 32 and the different distance of going into oilhole 12, in addition, this adjustment body of rod 72 also can reach the purpose that sensitivity has the n segmentation to adjust by n class's face.

See also shown in Figure 10 again, among first embodiment of the present utility model, for cooperating the adjustment body of rod 72 can form four eccentric faces 721 of difference, 722,723,724, and reach the purpose that makes this brake sensitivity have four-part form to adjust, this adjustment knob 71 more comprises a plurality of knock holees 711, and this adjustment knob 71 can cooperate the eccentric face 721 on the body of rod 72 of adjusting, 722,723,724 or the quantity correspondence of portion of class 725 knock hole 711 of equal number is set, for example when adjustment knob 71 has the 4 segmentations adjustment of 4 eccentric faces, 711 of knock holees have 4, and work as locations 74 as Figure 10, when shown in Figure 11, when adjusting each segmentation adjustment location of the body of rod 72 rotation formation, but the 742 ejection place kick 741 of this spring form the location, and can send the small sound for user's identification to reach the location.

In addition, this locations 74 also can be depicted as the form of latch as Figure 12 figure, as shown in the figure, be the 3rd embodiment of the present utility model, wherein this locations 74 comprises that a latch 744 and is linked to the draw ring 743 of this latch 744, run through those knock holees 711 by this latch 744, and be inserted on this support 10, can reach the purpose of location equally.

From the above mentioned as can be known, brake crank of the present utility model has following advantage, for example:

Comprehensive the above person only is the preferred embodiment that the utility model used, and is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1, a kind of brake adjuster of handle, be applicable to bicycle and various with hand-operated brake and sufficient stepping on the hydraulic brake system of brake, this brake system comprises a brake crank at least, at least have a hydraulic pressure oil groove, an oil inlet port that is communicated with this hydraulic pressure oil groove on it, and one is arranged at the fluid control group that brake crank is interior and this oil inlet port of may command opens and closes; It is characterized in that:

This brake system also is provided with an adjuster that links with the fluid control group.

2, as claimed in claim 1ly the stopping brake lock adjuster be is characterized in that this adjuster includes:

One adjusts knob, is arranged on the side of this brake crank;

One adjusts the body of rod, is arranged in this adjustment knob below, and runs through this brake crank; And

One ring body supports with this fluid control winding, and has a portion of class on this ring body, this portion of class and with this adjustment body of rod connect to.

3, the brake adjuster of handle as claimed in claim 1 is characterized in that, this brake crank comprises:

One support has a hydraulic pressure oil groove and an oil inlet port on it, wherein this oil inlet port connects this hydraulic pressure oil groove and this internal stent;

One pull bar is hubbed at an end of this support, on it and be provided with a tumbler, this tumbler and this fluid control group interlock; And

One adjuster is arranged on this support and links with this fluid control group.

4, as the brake adjuster of handle as described in the claim 3, it is characterized in that this pull bar more includes a rotating shaft, run through this support and this pull bar, this pull bar is articulated on this support.

5, as the brake adjuster of handle as described in the claim 4, it is characterized in that, this fluid control group, has an elastic body that is connected to this internal stent wall, and be equipped with in regular turn thereafter an oil sealing that links with this elastic body, one with the piston of this oil sealing binding, an and push rod, its front end has a round end portion, and with this piston connect to, and this adjuster comprises:

One adjusts knob, is arranged on the side of this support;

One adjusts the body of rod, is arranged in this adjustment knob below, and runs through this support; And

One ring body is sheathed on this push rod and links with this piston, and has a portion of class on this ring body, this portion of class and with this adjustment body of rod connect to.

6, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that, more comprise a connecting element, be fastened on the bottom of this adjustment body of rod, and be connected on the another side of this brake crank.

7, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that, more comprise positioning piece, then have at least one knock hole on this adjustment knob, this locations can enter in this at least one knock hole.

8, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that, more comprise positioning piece, then has at least one knock hole on this adjustment knob, wherein this locations is arranged on this brake crank, and it comprises that a place kick and this place kick of a spring enter in this at least one knock hole.

9, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that, more comprise positioning piece, then has at least one knock hole on this adjustment knob, this locations comprises that a latch and is linked to the draw ring of this latch, this latch runs through those knock holees, and is inserted on this brake crank.

As the brake adjuster of handle as described in claim 2 or 5, it is characterized in that 10, this adjusting lever body is positioned at the eccentric position place of this adjustment knob below, on it and form a plurality of eccentric faces.

11, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that this adjustment body of rod has a plurality of classes face, and this class's face has different distances with the axle center.

12, as the brake adjuster of handle as described in claim 2 or 5, it is characterized in that this ring body more comprises a fixed block, the one end is arranged in this ring body, and its other end then is resisted against the surface in this brake crank.