CN204127170U - The integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm - Google Patents
The integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm Download PDFInfo
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- CN204127170U CN204127170U CN201420414357.XU CN201420414357U CN204127170U CN 204127170 U CN204127170 U CN 204127170U CN 201420414357 U CN201420414357 U CN 201420414357U CN 204127170 U CN204127170 U CN 204127170U
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- pressure arm
- fulcrum cylinder
- pressure
- cambered surface
- disc brake
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Abstract
The utility model relates to the integral caliper air-pressure disc brake of the anti-deflection mechanism of a kind of pressure arm, comprises caliper body, end cap, pressure arm, reference seat, fulcrum cylinder and positioning block; One end of pressure arm is forced section, the other end is spinning portion, the internal surface in spinning portion is slewing circle cambered surface, outer surface is thrust arc surface, and thrust arc surface and reference seat abut against, and fulcrum cylinder is located in the recess of slewing circle cambered surface formation, and fulcrum cylinder is arranged with slewing circle cambered surface is concentric, the side of fulcrum cylinder away from slewing circle cambered surface be located at by positioning block, and positioning block is fixed on caliper body, and be held in fulcrum cylinder.When pressure arm moves, positioning block and fulcrum cylinder produce rolling friction, can effectively limit the beat even avoiding pressure arm, make braking force steadily and direction is consistent, improve energy transfer efficiency, also improve the efficiency of friction plate simultaneously, substantially prolongs the life-span of friction plate.
Description
Technical field
The utility model relates to a kind of break, especially designs the integral caliper air-pressure disc brake of the anti-deflection mechanism of a kind of pressure arm.
Background technique
Now there is multiple integral caliper body floating caliper type brake, major part break is all that the pressure at this moment acted on friction plate just determines frictional force and the braking ability of break by making the braking surface of friction plate and brake disc surface carry out friction catch to friction plate applying certain pressure.And the pressure on friction plate comprises positive pressure and tangential force, the direction of positive pressure is perpendicular to the direction of friction plate, and the direction of tangential force is the direction parallel with friction plate.
Automobile in traveling has certain kinetic energy, stop to allow automobile, break must by momentum transformation, during braking, amount of heat can be produced, kinetic transformation will be by heat energy fricative between friction plate and brake disc by break, and the friction factor of friction material declines in the rising along with temperature simultaneously, well-known heat fade that Here it is.
And uneven pressure will cause friction plate and brake disc eccentric wear, make the heat uneven distribution on friction plate, so in braking process, friction plate discontinuity, cause the utilization ratio of friction plate different, the regions wear finally making region that utilization ratio is high lower than utilization ratio is serious, thus makes friction plate produce localized heat decline, and then shortens the life-span of friction plate.
If friction plate stability under loading can be made and direction is consistent, by making the total amount of heat of whole friction plate be evenly distributed in friction material, so not only can improve the braking ability of break, friction plate can also be made to be fully used.As can be seen here, the braking ability how improving break extends the life-span of friction plate simultaneously, will be an important research direction of break.
Therefore the integral caliper air-pressure disc brake designing the anti-deflection mechanism of a kind of pressure arm is necessary, to overcome the problems referred to above.
Model utility content
The purpose of this utility model is the defect overcoming prior art, provides a kind of braking ability better, and the integral caliper air-pressure disc brake of the anti-deflection mechanism of the pressure arm that can extend the friction plate life-span.
The utility model is achieved in that
The utility model provides the integral caliper air-pressure disc brake of the anti-deflection mechanism of a kind of pressure arm, comprise caliper body, end cap, pressure arm, reference seat, fulcrum cylinder and positioning block, a cavity is formed in described caliper body, described pressure arm, described reference seat and described fulcrum cylinder are all positioned at described cavity, the front end of described cavity has an opening, and described end cap is covered on described opening, one end of described pressure arm is forced section, the other end is spinning portion, the internal surface in described spinning portion is slewing circle cambered surface, outer surface is thrust arc surface, described thrust arc surface and described reference seat abut against, described fulcrum cylinder is located in the recess of described slewing circle cambered surface formation, and described fulcrum cylinder is arranged with described slewing circle cambered surface is concentric, multiple first needle bearing is arranged around described fulcrum cylinder, and between described slewing circle cambered surface and described fulcrum cylinder, the side of described fulcrum cylinder away from described slewing circle cambered surface be located at by described positioning block, described positioning block is fixed on described caliper body, and be held in described fulcrum cylinder.
Further, described thrust arc surface and described fulcrum cylinder decentraction are arranged.
Further, described reference seat has spill cambered surface near the side of described thrust arc surface, is provided with multiple second needle bearing between described spill cambered surface and described thrust arc surface.
Further, described spinning portion bends extension downwards by described forced section and forms, the curved structure in described spinning portion.
Further, the spacing of described slewing circle cambered surface and described thrust arc surface increases gradually along the direction near described forced section.
Further, described forced section extends to form two described spinning portions downwards.
Further, described caliper body is provided with two positioning holes, and two described positioning blocks are installed in two positioning holes respectively, and positioning block described in each is held in a described fulcrum cylinder.
Further, the outside of described end cap has a slurcocks, and described slurcocks is connected to described reference seat by spring.
The utility model has following beneficial effect:
Described positioning block is fixed on described caliper body, and be held in described fulcrum cylinder, described positioning block is contacted all the time with described fulcrum cylinder, when described pressure arm motion, described positioning block and described fulcrum cylinder produce rolling friction, can effectively limit the beat even avoiding pressure arm, make braking force steadily and direction is consistent, improve energy transfer efficiency, also improve the efficiency of friction plate simultaneously, substantially prolongs the life-span of friction plate.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm that Fig. 1 provides for the utility model embodiment;
The structural representation of the pressure arm that Fig. 2 provides for the utility model embodiment;
The sectional view of the caliper body that Fig. 3 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope of the utility model protection.
As Fig. 1 to Fig. 3, the utility model embodiment provides the integral caliper air-pressure disc brake of the anti-deflection mechanism of a kind of pressure arm, comprise caliper body 1, end cap 2, pressure arm 4, reference seat 5, fulcrum cylinder 6 and positioning block 7, a cavity 1a is formed in described caliper body 1, described pressure arm 4, described reference seat 5 and described fulcrum cylinder 6 are all positioned at described cavity 1a, the front end of described cavity 1a has an opening, and described end cap 2 is covered on described opening.The outside of described end cap 2 has a slurcocks 3, and described slurcocks 3 is connected to described reference seat 5 by spring 11, and described slurcocks 3 can move along with the movement of described reference seat 5, thus carries out clamping braking to brake disc.Described push pedal is connected with friction plate.
As Fig. 1 to Fig. 3, one end of described pressure arm 4 is forced section 4a, and the other end is spinning portion 4b, and described spinning portion 4b bends extension downwards by described forced section 4a and forms, the curved structure of described spinning portion 4b.In this preferred embodiment, described forced section 4a extends to form two described spinning portion 4b downwards, and two described spinning portion 4b are symmetrical arranged.The internal surface of described spinning portion 4b is slewing circle cambered surface, and outer surface is thrust arc surface, and the spacing of described slewing circle cambered surface and described thrust arc surface increases gradually along the direction near described forced section 4a.Described thrust arc surface and described fulcrum cylinder 6 decentraction are arranged, described fulcrum cylinder 6 is located in the recess of described slewing circle cambered surface formation, and described fulcrum cylinder 6 is arranged with described slewing circle cambered surface is concentric, multiple first needle bearing 8a is arranged around described fulcrum cylinder 6, and between described slewing circle cambered surface and described fulcrum cylinder 6, the side of described fulcrum cylinder 6 away from described slewing circle cambered surface be located at by described positioning block 7, described positioning block 7 is fixed on described caliper body 1, and is held in described fulcrum cylinder 6.In this preferred embodiment, described caliper body 1 is provided with two positioning holes (illustrating, non-label), and two described positioning blocks 7 are installed in two positioning holes respectively, positioning block 7 described in each is held in a described fulcrum cylinder 6, is namely altogether provided with corresponding two positioning blocks 7 of two fulcrum cylinders 6.Described positioning block 7 is fixed on described caliper body 1, and is held in described fulcrum cylinder 6, and described positioning block 7 is contacted all the time with described fulcrum cylinder 6, and when described pressure arm 4 moves, described positioning block 7 produces rolling friction with described fulcrum cylinder 6.
As Fig. 1 to Fig. 3, described thrust arc surface and described reference seat 5 abut against, and described reference seat 5 has spill cambered surface 5a near the side of described thrust arc surface, are provided with multiple second needle bearing 8b between described spill cambered surface 5a and described thrust arc surface.
As Fig. 1 to Fig. 3, the working principle of the integral caliper air-pressure disc brake of the anti-deflection mechanism of described pressure arm is as follows:
When pressure arm 4 is actuated by cylinder wheel cylinder, after supposing that reference seat 5 is retrained by caliper body 1 by two arc surfaces all around, can only be moved up and down by the guide structure of reference seat 5 and caliper body 1 now.When braking, by the active force of the forced section 4a to pressure arm 4, spinning portion 4b is rotated around fulcrum cylinder 6, described slewing circle cambered surface 4c rotates with one heart around fulcrum cylinder 6, and in rotation process, because spinning portion 4b is thickening gradually, therefore thrust arc surface 4d relies on the second needle bearing 8b promotion reference seat 5 to move forward.This motion is directly passed to push pedal 3, so pressure arm 4 just needs release one degree of freedom normally to work to meet Runner assembly assembly, at this moment two fulcrum cylinders 6 will produce rolling friction by respectively with two positioning blocks 7, finally make the friction plate distribution of force passing to slurcocks 3 connection even, so eccentric wear phenomenon would not be produced.
In sum, the integral caliper air-pressure disc brake of the anti-deflection mechanism of described pressure arm is when braking, eliminate the beat motion of pressure arm, make braking force steadily and direction is consistent, thus make friction plate be subject to unified and stable pressure distribution, reach the object in the working life extending friction plate, improve energy transfer efficiency simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm, it is characterized in that, comprise caliper body, end cap, pressure arm, reference seat, fulcrum cylinder and positioning block, a cavity is formed in described caliper body, described pressure arm, described reference seat and described fulcrum cylinder are all positioned at described cavity, the front end of described cavity has an opening, and described end cap is covered on described opening;
One end of described pressure arm is forced section, the other end is spinning portion, the internal surface in described spinning portion is slewing circle cambered surface, outer surface is thrust arc surface, described thrust arc surface and described reference seat abut against, described fulcrum cylinder is located in the recess of described slewing circle cambered surface formation, and described fulcrum cylinder is arranged with described slewing circle cambered surface is concentric, multiple first needle bearing is arranged around described fulcrum cylinder, and between described slewing circle cambered surface and described fulcrum cylinder, the side of described fulcrum cylinder away from described slewing circle cambered surface be located at by described positioning block, described positioning block is fixed on described caliper body, and be held in described fulcrum cylinder.
2. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, is characterized in that: described thrust arc surface and described fulcrum cylinder decentraction are arranged.
3. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, it is characterized in that: described reference seat has spill cambered surface near the side of described thrust arc surface, between described spill cambered surface and described thrust arc surface, be provided with multiple second needle bearing.
4. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, is characterized in that: described spinning portion bends extension downwards by described forced section and forms, the curved structure in described spinning portion.
5. the integral caliper air-pressure disc brake of the anti-deflection mechanism of the pressure arm as described in claim 1 or 4, is characterized in that: the spacing of described slewing circle cambered surface and described thrust arc surface increases gradually along the direction near described forced section.
6. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, is characterized in that: described forced section extends to form two described spinning portions downwards.
7. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, it is characterized in that: described caliper body is provided with two positioning holes, two described positioning blocks are installed in two positioning holes respectively, and positioning block described in each is held in a described fulcrum cylinder.
8. the integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm as claimed in claim 1, is characterized in that: the outside of described end cap has a slurcocks, and described slurcocks is connected to described reference seat by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414357.XU CN204127170U (en) | 2014-07-25 | 2014-07-25 | The integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414357.XU CN204127170U (en) | 2014-07-25 | 2014-07-25 | The integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm |
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| Publication Number | Publication Date |
|---|---|
| CN204127170U true CN204127170U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420414357.XU Active CN204127170U (en) | 2014-07-25 | 2014-07-25 | The integral caliper air-pressure disc brake of the anti-deflection mechanism of pressure arm |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016011945A1 (en) * | 2014-07-25 | 2016-01-28 | 武汉元丰汽车零部件有限公司 | Pneumatic disc brake pressure arm having bearing limiting structure |
| CN106594128A (en) * | 2016-12-23 | 2017-04-26 | 武汉元丰汽车零部件有限公司 | Pressure arm with adjustable lever ratio and pneumatic plate type brake |
| CN107061567A (en) * | 2017-05-24 | 2017-08-18 | 武汉元丰汽车零部件有限公司 | A kind of monoblock type radial direction air chamber disc brake calipers body |
| CN107131235A (en) * | 2017-05-24 | 2017-09-05 | 武汉元丰汽车零部件有限公司 | It is applicable the pressure arm and rotating shaft assembly of radially double push rod air-pressure disc brakes |
| CN112682442A (en) * | 2019-10-18 | 2021-04-20 | 瀚德刹车片产品公司 | Disc brake and method for manufacturing disc brake |
-
2014
- 2014-07-25 CN CN201420414357.XU patent/CN204127170U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016011945A1 (en) * | 2014-07-25 | 2016-01-28 | 武汉元丰汽车零部件有限公司 | Pneumatic disc brake pressure arm having bearing limiting structure |
| CN106594128A (en) * | 2016-12-23 | 2017-04-26 | 武汉元丰汽车零部件有限公司 | Pressure arm with adjustable lever ratio and pneumatic plate type brake |
| CN107061567A (en) * | 2017-05-24 | 2017-08-18 | 武汉元丰汽车零部件有限公司 | A kind of monoblock type radial direction air chamber disc brake calipers body |
| CN107131235A (en) * | 2017-05-24 | 2017-09-05 | 武汉元丰汽车零部件有限公司 | It is applicable the pressure arm and rotating shaft assembly of radially double push rod air-pressure disc brakes |
| CN112682442A (en) * | 2019-10-18 | 2021-04-20 | 瀚德刹车片产品公司 | Disc brake and method for manufacturing disc brake |
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| GR01 | Patent grant |