CN209294286U - Braking caliper device - Google Patents

Abstract

The utility model includes a cylinder body, a piston, a fixed frame and two brake blocks about a kind of braking caliper device.Cylinder body has a kingpin bore and a secondary pin hole, and secondary pin hole is installed with a bushing, and content is equipped with sliding ester, uses for lubrication.Fixed frame includes a frame body, one is inserted in the stub of kingpin bore and secondary pin that one is inserted in bushing, wherein the accommodating space in bushing can be divided into a bottom space, at a sliding and snake set space.Wherein, the minimum diameter at sliding must be less than maximum outside diameter of the secondary pin at sliding, and bushing is made to bear the press fit of secondary pin.The utility model can be effectively improved vibration interference of the engine for brake callipers actuation when as a result, avoid the cylinder body of brake callipers acutely rocking on fixed frame, thus lower the percussion sound between brake block and bolt and fixed frame.

Description

Braking caliper device

Technical field

The present invention is about a kind of braking caliper device, espespecially a kind of brake card suitable for the vehicle with rocker arm type engine Clamp device.

Background technique

Referring to Fig. 1, existing motorcycle basic configuration figure.One motorcycle is shown, which makees with a vehicle frame 2 in figure Based on structure, and the body structure portion is coated by car body moulding 1, and steering handle 21 is articulated on the vehicle frame 2, can be allowed The driving direction of rider's manipulation motorcycle.Front shock-absorber 6 is connected to steering handle 21, and front wheels 3 are articulated in front shock-absorber 6, Front wheels 3 include wheel rim 31, a front tyre 32 and a front brake disc 33 before one, wheel rim 31 before front tyre 32 is assemblied in Circumferential part, before front brake disc 33 is attached on wheel rim 31.Wherein, as the Suke of attached drawing reach (Scooter) type motorcycle, have one Rocker arm 5 is articulated on vehicle frame 2, and the Rocker arm 5 is an engine, builds up one group of vehicle for being equipped with rocker arm type engine.Rocker arm 5 with Device has rear shock absorber 7 between vehicle frame 2, and rear wheels 4 are articulated in Rocker arm 5, and rear wheels 4 include a rear rim 41, a rear tyre 42 and a rare brake disk 43, rear tyre 42 be assemblied in the circumferential part of rear rim 41, rare brake disk 43 is attached to rear rim On 41.

Above-mentioned steering handle 21 is equipped with a master cylinder 81, is installed on front shock-proof device via a front brake oil pipe 86 and one Front brake caliper arrangement 87 on device 6 connects；Above-mentioned master cylinder 81 is separately installed on by a brake oil pipe (not shown) with one Rear braking caliper arrangement 93 on Rocker arm 5 connects.

Please see Fig. 2 to Fig. 4, be respectively the front view of existing rear braking caliper arrangement, look up partial sectional view and The A-A partial sectional view of Fig. 2.A kind of braking caliper device is shown in figure, later braking caliper device 93 is used as demonstration example, but It is not limited only to this, can also be applied to after structure is adjusted in front brake caliper arrangement.The rear braking caliper arrangement 93 includes one Cylinder body 932, a piston 935, a fixed frame 931 and two brake blocks 933.Wherein, cylinder body 932 has a kingpin bore 9321 and one Secondary pin hole 9322,9321 content of kingpin bore are equipped with sliding ester, which is installed with a bushing 934, which is tool There are the materials such as the long hole shape elastic material, such as rubber of Single port 9344, has inside equally been installed with sliding ester and has been used for lubrication.It is living Plug 935 is placed in cylinder body 932, is changed by oil pressure and is provided displacement force.Fixed frame 931 is inserted including a frame body 9310, one The secondary pin 9312 of the bushing 934 is inserted in set on the stub 9311 of the kingpin bore 9321 and one, wherein the port of stub 9311 with A dirt-proof boot 937 is equipped between fixed frame 931, invading in kingpin bore 9321 to avoid dust in environment and water influences stub 9311 actuation.Two brake blocks 933 are set on cylinder body 932 via a bolt 936.

Please refer to fig. 5, being the B-B cross-sectional view of Fig. 4.When in secondary pin 9312 insertion bushing 934, in the bushing 934 An accommodating space 9340 bottom space 9341 can be divided by above-mentioned secondary pin 9312, at a sliding 9342 and one snake cover it is empty Between 9343.Space is covered with sliding ester in bushing 934, when so that brake block 933 is clamped rare brake disk 43 due to 935 actuation of piston, Relative displacement will occur for cylinder body 932 and fixed frame 931, also that is, secondary pin 9312 will be relatively moved with bushing 934, serve as a contrast at this time 9341 volume of bottom space will be changed in set 934, and sliding ester will utilize bushing 934 9342 minimum diameter D and pair at sliding Gap and snake set space 9343 flowing of the pin 9312 at the sliding between maximum outside diameter d obtain balance, in other words, bushing 934 Minimum diameter D can be greater than the secondary maximum outside diameter d at casing slip of pin 9312 at sliding, and gap between the two will be that sliding ester exists The channel that bottom space 9341 and snake set space 9343 are flowed.

However, since existing rear braking caliper arrangement is used for the type of vehicle of rocker arm type engine, therefore when rear braking clamp fill 93 are set as shown in Figure 1 when being set to Rocker arm 5 (engine), the actuation of rear braking caliper arrangement 93 will be interfered obviously by engine vibration, At this time when the vibration of cylinder body 932 is bigger, rocks cylinder body 932 acutely on fixed frame 931, make brake block 933 and bolt 936 And it is led to the problem of between fixed frame 931 and taps sound.

Invention popularity is because in this, this urgently thinks a kind of brake callipers that can solve the above problem in the spirit actively invented Device, several times research experiment is of the invention to completing eventually.

Utility model content

The main object of the present invention is providing a kind of braking caliper device, by changing the matching relationship of secondary pin and bushing, It can be effectively improved vibration interference of the engine for brake callipers actuation when, avoid the cylinder body of brake callipers violent on fixed frame It rocks, thus lowers the percussion sound between brake block and bolt and fixed frame.

To reach above-mentioned purpose, braking caliper device of the invention is set on a motorcycle, includes a cylinder body, one Piston, a fixed frame and two brake blocks.There is cylinder body a kingpin bore and a secondary pin hole, the kingpin bore content to be equipped with sliding ester, should Secondary pin hole is then installed with a bushing, which is equipped with sliding ester.Piston is placed in the cylinder body, is changed by oil pressure and is provided position Move force.Fixed frame includes a frame body, one is inserted in the stub of the kingpin bore and secondary pin that one is inserted in the bushing, wherein should An accommodating space in bushing is divided into a bottom space by pair pin, at a sliding and a snake covers space.Two brake blocks are set Be placed on the cylinder body or the fixed frame, by the piston promotion and clamp a braking disc；Wherein, the minimum diameter at the sliding Maximum outside diameter of the pair pin at the sliding must be less than, so that the bushing is born the press fit of pair pin, and make at the sliding not With additional clearance.

By above-mentioned design, when generating certain compressing amount between bushing and secondary pin, cylinder body can bear more stable support To resist the interference of vibration, while relative displacement variation will be reduced between cylinder body and fixed frame, effectively avoid brake block and bolt And it is generated between fixed frame and taps sound.

The above-mentioned pair pin surface may be provided at least one secondary cotter way portion, make sliding ester that can cover space in the bottom space and the snake Between circulate.Even if the present invention combines bushing to sell with secondary in a manner of press fit as a result, when cylinder body and fixed frame occur relatively When mobile, still bottom space and snake can be maintained to cover the circulation of sliding ester in space by the secondary cotter way portion, keep internal pressure Balance.

It may be provided with an at least runner in above-mentioned pair pin, flow sliding ester can between the bottom space and snake set space It is logical.Even if the present invention combines bushing and secondary pin in a manner of press fit as a result, when cylinder body and fixed frame relatively move When, still bottom space and snake can be maintained to cover the circulation of sliding ester in space by an at least runner, keep internal pressure Balance.

The above-mentioned bushing inner diameter can dig an at least bushing groove portion, make sliding ester that can cover space in the bottom space and the snake Between circulate.Even if the present invention combines bushing to sell with secondary in a manner of press fit as a result, when cylinder body and fixed frame occur relatively When mobile, still bottom space and snake can be maintained to cover the circulation of sliding ester in space by the bushing groove portion, keep internal pressure Balance.

A dirt-proof boot can be equipped between the port of the above-mentioned stub and the fixed frame, to avoid dust in environment and/or water Invading influences the stub actuation in the kingpin bore.

Outlined above be all exemplary in nature with next detailed description is that application in order to further illustrate the present invention is special Sharp range.And other objects and advantages for the present invention, it will be illustrated in subsequent explanation with attached drawing.

Detailed description of the invention

Fig. 1 is existing motorcycle basic configuration figure.

Fig. 2 is the front view of existing rear braking caliper arrangement.

Fig. 3 looks up partial sectional view for existing rear braking caliper arrangement.

Fig. 4 is the A-A partial sectional view of Fig. 2.

Fig. 5 is the B-B cross-sectional view of Fig. 4.

Fig. 6 is the front view of the rear braking caliper arrangement of first embodiment of the invention.

Fig. 7 is that the rear braking caliper arrangement of first embodiment of the invention looks up partial sectional view.

Fig. 8 is the A-A partial sectional view of Fig. 6 of first embodiment of the invention.

Fig. 9 is the C-C partial sectional view of Fig. 8 of first embodiment of the invention.

Figure 10 is the A-A partial sectional view of Fig. 6 of second embodiment of the invention.

Figure 11 is the D-D partial sectional view of Figure 10 of second embodiment of the invention.

Figure 12 is the A-A partial sectional view of Fig. 6 of third embodiment of the invention.

Figure 13 is the E-E partial sectional view of Figure 12 of third embodiment of the invention.

Figure 14 is that the present invention compares amount of the secondary pin of existing rear braking caliper arrangement with bushing fit dimension by engine vibration Mapping.

Main element symbol description:

1 car body moulding, 2 vehicle frame

21 steering handle, 3 front wheels

32 front tyre of wheel rim before 31

33 front brake disc, 4 rear wheels

41 rear rim, 42 rear tyre

43 rare brake disk, 5 rocker arm

6 front shock-absorber, 7 rear shock absorber

81 master cylinder 83,93 rear braking caliper arrangements

831,931 fixed frames 8310,9310 frame bodies

8311, the secondary pin of 9311 stub 8312,9312

83121 secondary cotter way portion, 83122 runner

832,932 cylinder bodies 8321,9321 kingpin bores

8322,9322 secondary pin hole 833,933 brake blocks

834,934 bushings 8340,9340 accommodating spaces

8341,9341 bottom spaces 8342, at 9342 slidings

8343,9343 snakes cover space 8344,9344 ports

8345 bushing groove portions 835,935 pistons

836,936 bolts 837,937 dirt-proof boots

86 front brake oil pipe, 87 front brake caliper arrangement

D minimum diameter d maximum outside diameter

Specific embodiment

Fig. 6 to Fig. 8 is please referred to, is respectively the front view of the rear braking caliper arrangement of first embodiment of the invention, looks up The A-A partial sectional view of partial sectional view and Fig. 6.Show a kind of braking caliper device in figure, in the present embodiment with rear brake Vehicle caliper arrangement 83 is used as demonstration example, but is not limited only to this, is can also be applied in front brake caliper arrangement after structure is adjusted.It should Rear braking caliper arrangement 83 is installed in the present invention on a rocker arm, and the rocker arm is an engine in the present embodiment, described to shake Pendulum-type engine can be together refering to Fig. 1 of the prior art, wherein rear braking caliper arrangement 83 of the invention include a cylinder body 832, One piston 835, a fixed frame 831 and two brake blocks 833.

Wherein, there is cylinder body 832 kingpin bore 8321 and a secondary pin hole 8322,8321 content of kingpin bore to be equipped with sliding ester, The pair pin hole 8322 is installed with a bushing 834, which is the long hole shape elastic material for having Single port 8344, such as The materials such as rubber have inside equally been installed with sliding ester and have used for lubrication.Piston 835 is placed in cylinder body 832, is changed by oil pressure And provide displacement force.Fixed frame 831 is plugged including the stub 8311 and one that a frame body 8310, one is inserted in the kingpin bore 8321 In the secondary pin 8312 of the bushing 834, wherein a dirt-proof boot 837 is equipped between the port and fixed frame 831 of stub 8311, to keep away Exempt from dust and water in environment and invades the actuation for influencing stub 8311 in kingpin bore 8321.Two brake blocks 833 are in the present embodiment It is set on cylinder body 832 via a bolt 836, but not limited to this, also may be disposed on fixed frame 831, will be by piston 835 It pushes and clamps a rare brake disk 43.

In addition, being the C-C partial sectional view of Fig. 8 of first embodiment of the invention also referring to Fig. 9.When secondary pin 8312 When being inserted into bushing 834, the accommodating space 8340 in the bushing 834 can be divided into a bottom space by above-mentioned secondary pin 8312 8341, at a sliding 8342 and one snake cover space 8343.In the present embodiment, characteristic of the invention is at sliding 8342 most Small internal diameter D must be less than secondary pin 8312 at sliding 8342 maximum outside diameter d, also that is, secondary pin 8312 must when being inserted into bushing 834 834 long hole of bushing must be made to have certain compressing amount, enable cylinder body 832 by more stable support to resist vibration.However, this The cunning ester made in bushing 834 can not be covered into space in bottom space 8341 and snake when cylinder body 832 and fixed frame 831 are relatively moved It is flowed between 8343.Therefore, as shown in figure 9, pair 8312 surface of pin is arranged there are three secondary cotter way portion 83121, make sliding ester can It circulates between bottom space 8341 and snake set space 8343.Even if the present invention combines lining in a manner of press fit as a result, Set 834 and secondary pin 8312 can still pass through the secondary cotter way portion 83121 when cylinder body 832 is relatively moved with fixed frame 831 The circulation for maintaining sliding ester in bottom space 8341 and snake set space 8343, keeps the balance of internal pressure.

Then, please refer to Figure 10 and Figure 11, be respectively Fig. 6 of second embodiment of the invention A-A partial sectional view and The D-D partial sectional view of Figure 10.As shown, in the present embodiment, a runner 83122 is provided in secondary pin 8312, make sliding ester It can circulate between bottom space 8341 and snake set space 8343.Even if the present invention combines lining in a manner of press fit as a result, Set 834 can still be maintained with secondary pin 8312 when cylinder body 832 is relatively moved with fixed frame 831 by the runner 83122 The circulation of sliding ester, keeps the balance of internal pressure in bottom space 8341 and snake set space 8343.

Then, please refer to Figure 12 and Figure 13, be respectively Fig. 6 of third embodiment of the invention A-A partial sectional view and The E-E partial sectional view of Figure 12.As shown, in the present embodiment, 834 internal diameter of bushing has dug seven bushing groove portions 8345, Make sliding ester that can circulate between bottom space 8341 and snake set space 8343.Even if the present invention is in a manner of press fit as a result, Institute's bushing groove portion can still be passed through when cylinder body 832 is relatively moved with fixed frame 831 in conjunction with bushing 834 and secondary pin 8312 8345 maintain the circulation of sliding ester in bottom space 8341 and snake set space 8343, keep the balance of internal pressure.

Finally, please referring to Figure 14, the secondary pin that the present invention compares existing rear braking caliper arrangement is drawn with bushing fit dimension Hold up the measurement figure of vibration.In the present embodiment, rear braking caliper arrangement 83 is set on a rocker arm, and rocker arm of the invention is one Engine, therefore, the actuation of rear braking caliper arrangement 83 will be by the interference of engine vibration.As shown in figure 14, abscissa turns for engine Fast (rpm), ordinate indicate vibration acceleration (m/s when rear braking caliper arrangement 83 is interfered by engine vibration²) variation, In, curve A and curve B in figure respectively indicate the cylinder body 932 of existing rear braking caliper arrangement 93 (bushing are sliding in different The minimum diameter D at place)-(add under the relationship of maximum outside diameter d) of the pair pin at sliding in the vibration that different engine speeds are drawn Speed change curves, and curve C and curve D then respectively indicate the cylinder body 832 of rear braking caliper arrangement 83 of the invention in difference (minimum diameter D of the bushing at sliding)-(in different engine speed institutes under the relationship of maximum outside diameter d) of the pair pin at sliding The vibration acceleration change curve of drafting, and curve E directly measures the vibration drawn in different engine speeds in engine and accelerates Spend change curve.

Wherein, as shown in curve A and curve B, when the difference of D-d is 0.2mm or 0.1mm, existing rear braking card is indicated Possess gap between the bushing 934 of clamp device 93 and secondary pin 9312, make sliding ester can directly via at above-mentioned sliding 9342 gap in It is flowed between bottom space 9341 and snake set space 9343.However, with the increase of engine speed, the Oscillation Amplitude of cylinder body 932 When bigger, rock cylinder body 932 acutely on fixed frame 931, so make brake block 933 and bolt 936 and fixed frame 931 it Between lead to the problem of tap sound.

Relatively, as shown in curve C and curve D, when the difference of D-d is -0.1mm or -0.2mm, secondary pin 8312 is indicated 834 long hole of bushing must be made to have certain compressing amount when being inserted into bushing 834, enable cylinder body 832 by more stable branch Support is to resist vibration.Therefore, with the increase of engine speed, the Oscillation Amplitude of cylinder body 832 can be with the Oscillation Amplitude of engine itself It keeps in a certain range, will not excessively rocking chatter, therefore cylinder body 832 can keep micro breadth oscillation on fixed frame 831, in turn It avoids the problem that generating between brake block 833 and bolt 836 and fixed frame 831 and taps sound.

Above-described embodiment is illustrated only for facilitating explanation, and the interest field that the present invention is advocated certainly should be special to apply Subject to described in sharp range, not just the above examples.

Claims (5)

1. a kind of braking caliper device is set on a motorcycle, which is characterized in that include:

There is one cylinder body a kingpin bore and a secondary pin hole, the kingpin bore content to be equipped with sliding ester, which is installed with a bushing, The bushing content is equipped with sliding ester；

One piston is placed in the cylinder body, is changed by oil pressure and is provided displacement force；

One fixed frame is inserted in the stub of the kingpin bore including a frame body, one and secondary pin that one is inserted in the bushing, wherein should An accommodating space in bushing is divided into a bottom space by pair pin, at a sliding and a snake covers space；And

Two brake blocks are set on the cylinder body or the fixed frame, by the piston promotion and clamp a braking disc；

Wherein, the minimum diameter at the sliding must be less than maximum outside diameter of the pair pin at the sliding, and the bushing is made to bear the pair The press fit of pin, and make do not have additional clearance at the sliding.

2. braking caliper device according to claim 1, which is characterized in that the pair pin surface is provided at least one secondary cotter way Portion makes sliding ester that can circulate between the bottom space and snake set space.

3. braking caliper device according to claim 1, which is characterized in that be provided with an at least runner in pair pin, make Sliding ester can circulate between the bottom space and snake set space.

4. braking caliper device according to claim 1, which is characterized in that the bushing inner diameter has dug an at least bushing slot Portion makes sliding ester that can circulate between the bottom space and snake set space.

5. braking caliper device according to claim 1, which is characterized in that set between the port of the stub and the fixed frame There is a dirt-proof boot, invading to avoid dust in environment or water influences the stub actuation in the kingpin bore.