CN104260813A - Safe shaft sleeve for bicycle disc brake and bicycle disc brake - Google Patents
Safe shaft sleeve for bicycle disc brake and bicycle disc brake Download PDFInfo
- Publication number
- CN104260813A CN104260813A CN201410486328.9A CN201410486328A CN104260813A CN 104260813 A CN104260813 A CN 104260813A CN 201410486328 A CN201410486328 A CN 201410486328A CN 104260813 A CN104260813 A CN 104260813A
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- China
- Prior art keywords
- axle sleeve
- brake disc
- brake
- face
- attaching parts
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
Abstract
The invention relates to a bicycle disc brake. The bicycle disc brake comprises a brake disc, a hub shaft, a hub shell, a brake disc connection piece with a tubular body with an inner thread, an installation shaft sleeve with a shaft sleeve body and a disc connection portion and a locking piece with a tubular portion with an outer thread and a flange, wherein the section of the outer surface of the tubular body is in polygonal or elliptical shape, heat dissipation holes distributed along the circumference direction are formed in the shaft sleeve body, an intersection angle is formed between the penetration direction of each heat dissipation hole and the shaft axis of a safe shaft sleeve, the penetration direction of each heat dissipation hole is vertical to the radial direction where each heat dissipation hole is located so as to form air swirls during the rotation process of the installation shaft sleeve, which improve heat dissipation effects, the intersection angles respectively range from 0 to 90 degrees, and when the outer thread is matched with the inner thread, the inner surface of the installation shaft sleeve is matched with the outer surface of the tubular body, and therefore the locking piece and the brake disc connection piece hold the installation shaft sleeve.
Description
Technical field
the present invention relates to a kind of safe axle sleeve and bicycle disk brake of bicycle disk brake.
Background technology
along with reaching its maturity with people to the requirements at the higher level of Green Travel of bike tech development, bicycles increases is manyly in daily life, and thus, improving bicycle aspect of performance, researcher has dropped into more energy, particularly about cycle brake.The bicycle brake system of current use mainly contains disc type and drum-type two type, plate disc brake due to its be swift in response, stability and the advantage such as thermal diffusivity is good and be widely used, existing plate disc brake generally comprises the clamp be operably connected on brake-applying handle and the disc type brake dish be fixedly attached on the hub of wheel, wherein the connection mode of disc type brake dish and wheel hub has several, such as, brake disc maintains by an and locking ring in mating connection to the corresponding spline on hub by an axle sleeve.But this kind of connection mode stability, thermal diffusivity are also good not, and install complicated, thus need a kind of bicycle disk brake of improvement in this area badly, to overcome the problems referred to above of the prior art.
Summary of the invention
technical matters to be solved by this invention overcomes the safe axle sleeve that the invention provides a kind of bicycle disk brake, and the radiating effect of described safe axle sleeve is better, and structure is simple.
a kind of safe axle sleeve of bicycle disk brake, described installation shaft cover has the sleeve body that offers centre hole and is extended radially outward the dish connecting portion formed by the periphery of described sleeve body, described sleeve body offers the louvre of along the circumferential direction arranging, described installation shaft is enclosed within rotation process around an axial line rotation, described sleeve body has the first end face and the second end face, described louvre extends through the second end face from the first end face, it is characterized in that: the axial line running through direction axle sleeve safe with it of described louvre is to having an angle, and it is radial vertical with described louvre place, increase heat radiation function is played to form air swirl in described installation axle sleeve rotary course, described angle is 0 ° ~ 90 °.
preferably, the angle running through the axial line of direction and described safe axle sleeve of described louvre is 30 °.
preferably, described centre hole the cross section outer rim of inside face be polygon or ellipse.
preferably, the dish connecting portion of described installation axle sleeve comprises at least one first contiguous block radially extended.
the present invention also will provide a kind of bicycle disk brake using above-mentioned safe axle sleeve simultaneously, comprising:
brake disc;
hub axle, it has the first relative axle head and the second axle head, and the axial line of described hub axle extends between described first axle head and described second axle head;
hub shell, it comprises the first relative hub shell end and the second hub shell end, and described hub shell is pivotally connected on described hub axle;
brake disc attaching parts, it is arranged on described first hub shell end, and described brake disc attaching parts has tubular body, and the inside face of described tubular body has negative thread;
install axle sleeve, it can be connected with described brake disc;
locking piece, it has siphonata and extends radially outward by the periphery, bottom of described siphonata the flange formed, and the outside face of described siphonata has the outside thread that can match with the negative thread of described brake disc attaching parts,
the cross section outer rim of the outside face of the tubular body of brake disc attaching parts is in the polygon matched with the cross section outer rim of described installation axle sleeve centre hole inside face or ellipticity, when the negative thread of the inside face of the outside thread of the siphonata of described locking piece and the tubular body of described brake disc attaching parts is in mating connection, the inside face of the centre hole of described installation axle sleeve matches with the outside face of the tubular body of brake disc attaching parts, and described installation axle sleeve is maintained by described locking piece and described brake disc attaching parts.
preferably, the outward flange of the flange of described locking piece is arranged at intervals with multiple depression.
preferably, the flange of described locking piece is provided with multiple groove on the outside face of described siphonata dorsad.
preferably, described brake disc has the installation portion for connection axle sleeve, and described installation portion comprises at least one second contiguous block that can be connected with at least one first contiguous block described.
preferably, comprise the mounting groove axially running through brake disc in the installation portion of described brake disc, described mounting groove can allow the siphonata of locking piece to pass.
due to the employing of above technical scheme, the present invention compared with prior art tool has the following advantages: compared with prior art, the axial line running through direction and described safe axle sleeve of the louvre of installation axle sleeve of the present invention is an angle, and runs through the radial direction of direction perpendicular to described sleeve body.Like this, louvre along the circumferential direction defines a swirl shape, in described installation axle sleeve rotary course, makes ambient air produce swirl shape, thus makes radiating effect better.In addition, in the present invention, centre hole matches with the outside face of described tubular body, makes can maintain in drg rotation process.This kind of bicycle disk brake structure is simple, and easily produces.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is be the schematic top plan view of brake disc according to plate disc brake of the present invention;
fig. 2 is the schematic perspective view of the brake disc according to plate disc brake of the present invention;
fig. 3 is the front elevational schematic of the installation axle sleeve according to plate disc brake of the present invention;
fig. 4 is the generalized section of Fig. 3 along A-A direction;
fig. 5 is the hub shell front elevational schematic according to plate disc brake of the present invention;
fig. 6 is the elevational schematic view of the locking piece according to plate disc brake of the present invention;
fig. 7 is the scheme of installation according to plate disc brake of the present invention.
in figure: 1, brake disc; 11, installation portion; 111, the second contiguous block; 112, mounting groove; 2, hub shell; 21, the first hub shell end; 22, the second hub shell end; 3, brake disc attaching parts; 31, tubular body; 311, negative thread; 4, axle sleeve is installed; 41, sleeve body; 411, centre hole; 413, louvre; 42, connecting portion is coiled; 421, the first contiguous block; 5, locking piece; 51, siphonata; 511, outside thread; 52, flange; 521, cave in; 522, groove.
Detailed description of the invention
below in conjunction with specific embodiment, the present invention is described in further details.Should be understood that these embodiments are for illustration of groundwork of the present invention, principal character and advantage, and the present invention does not limit by the scope of following examples.The implementation condition adopted in embodiment can do further adjustment according to specific requirement, and not marked implementation condition is generally the condition in normal experiment.
accompanying drawings, plate disc brake according to the present invention comprises: brake disc 1, hub axle, it has the first relative axle head and the second axle head, and the axial line of hub axle extends between the first axle head and the second axle head, hub shell 2, it comprises the first relative hub shell end 21 and the second hub shell end 22, and hub shell 2 is pivotally connected on hub axle, brake disc attaching parts 3, it is arranged on the first hub shell end 21, and brake disc attaching parts 3 has tubular body 31, and the inside face of tubular body 31 has negative thread 311, install axle sleeve 4, it can be connected with brake disc 1, installs axle sleeve 4 and has the sleeve body 41 that offers centre hole 411 and extended radially outward the dish connecting portion 42 formed by the periphery of sleeve body 41, and locking piece 5, it has siphonata 51 and is extended radially outward the flange 52 formed by the periphery, bottom of siphonata 51, and the outside face of siphonata 51 has the outside thread 511 that can match with the negative thread 311 of brake disc attaching parts 3, wherein the cross section outer rim of the outside face of the tubular body 31 of brake disc attaching parts 3 is polygon or ellipse, the cross section of the inside face of the centre hole 411 of the sleeve body 41 of axle sleeve 4 is installed also in polygon or ellipse, this inside face can be matched with the outside face of the tubular body 31 of brake disc attaching parts 3, when the outside thread 511 of the siphonata 51 of locking piece 5 is in mating connection with the negative thread 311 of the inside face of the tubular body 31 of brake disc attaching parts 3, the inside face of centre hole 411 installing axle sleeve 4 matches with the outside face of the tubular body 31 of brake disc attaching parts 3, installation axle sleeve 4 is maintained by locking piece 5 and brake disc attaching parts 3.
particularly, first consult Fig. 1 to Fig. 2, illustrate according to brake disc 1 of the present invention in this two width figure.Fig. 1 to Fig. 2 is respectively birds-eye view and the block diagram of the brake disc 1 of this embodiment, brake disc 1 is disc type, there is the installation portion 11 for connection axle sleeve 4, installation portion 11 comprises spaced 6 the second contiguous blocks 111, for being connected with the first contiguous block 421 installed on axle sleeve 4, further brake disc 1 and installation axle sleeve 4 are fixedly connected.Also comprise the mounting groove 112 axially running through brake disc 1 in the installation portion 11 of brake disc 1, mounting groove 112 can allow the siphonata 51 of locking piece 5 to pass.In actual applications, the structure of brake disc 1 is not limited to aforesaid way, and the conventional brake disc 1 be limited in technology all can realize object of the present invention.Any connection mode of the prior art or those skilled in the art can be utilized to carry out transforming or convert formed many connection modes according to prior art, do not do concrete more detailed description at this.
consult Fig. 3 ~ 4, illustrate according to installation axle sleeve 4 of the present invention, as can be seen from the figure, installing axle sleeve 4 is also disc type, comprises the sleeve body 41 that offers centre hole 411 and is extended radially outward the dish connecting portion 42 formed by the periphery of sleeve body.Dish connecting portion 42 comprises spaced multiple first contiguous blocks 421 radially extended, more specifically, first contiguous block 421 is altogether six, six the first contiguous blocks 421 along sleeve body 41 periphery uniform intervals arrange, and the first contiguous block 421 is also provided with mounting hole, can match with the mounting hole on the second contiguous block 111 on brake disc 1 and install, further brake disc 1 is connected with installation axle sleeve 4.Like this, first contiguous block 421 and the second contiguous block 111 are fixedly connected by screw etc., and the centre hole 411 of sleeve body 4 is corresponding with mounting groove 112, the siphonata 51 of locking piece 5 is through mounting groove 112 and the outside thread 511 passed through on it is in mating connection with the negative thread 311 on brake disc attaching parts 3, the brake disc tubular body 31 connected on 3 is inserted in the centre hole 411 installing axle sleeve 4, make the inside face of the centre hole 411 of the outside face of tubular body 31 and sleeve body 41 in mating connection, make sleeve body 41 and brake disc attaching parts 3 in mating connection.Like this, locking piece 5 and brake disc attaching parts 3 just will be installed axle sleeve 4 and be maintained with the brake disc 1 that installation axle sleeve 4 is fixedly connected.Sleeve body (41) has the first end face and the second end face, louvre (413) extends through the second end face from the first end face, the axial line running through direction and safe axle sleeve of louvre (413) is to having an angle, and it is radial vertical with louvre (413) place, increase heat radiation function is played to form air swirl in installation axle sleeve (4) rotary course, angle is 0 ° ~ 90 °, and preferably, angle is 30 °.
consult Fig. 5 to Fig. 7 again.Preferably, brake disc attaching parts 3 be arranged on hub shell 2 the first hub shell end 21 on and be integrally formed with hub shell 2.First hub shell end 21 of hub shell 2 is connected with the first axle head rotationally by clutch shaft bearing assembly, and the second hub shell end 22 is connected with the second axle head rotationally by the second bearing assembly.Particularly, hub shell 2 comprises the first hub shell end 21 and the second hub shell end 22 and between the first hub shell end 21 and the second hub shell end 22, has the shell portion of internal channel, and hub axle (not shown) is through this internal channel and be rotationally connected ground support hub shell 2 with hub shell 2.The axial line of hub axle and the central axis of hub shell 2 coincide, and hub shell 2 carries out circumference around hub axle and rotates.In the present invention, the connection mode of hub axle and hub shell 2 can adopt conventional connection mode of the prior art, not as invention emphasis of the present invention, does not thus do too much description.
brake disc attaching parts 3 is positioned at the first hub shell end 21 place, and the line of centers of the opening of its tubular body 31 and the line of centers of hub shell 2 coincide.In a preferred embodiment, the cross section outer rim of the outside face of tubular body 31 is octagon, described sleeve body 41 is along the circumferential direction provided with louvre 413, the center of circle of this circumference is on the central axis of hub shell 2, and the axial line running through direction and safe axle sleeve of louvre (413) is to having an angle, and it is radial vertical with louvre (413) place, and the cross section outer rim of the inside face of sleeve body 41 is also in octagon, make this inside face can be in mating connection with the outside face of tubular body 31.When installing axle sleeve 4 and being connected with brake disc attaching parts 3, the tubular body 31 of brake disc attaching parts 3 to be inserted in the centre hole 411 of sleeve body 41 and in mating connection, makes brake performance stable.In the normal driving process of bicycle, because persistent movement can produce heat between each parts of brake hub, parts and connection rivet etc. thereof are expanded with heat and contract with cold, easy damage, whole brake hub is even caused normally not use time serious, on sleeve body 41, louvre (413) can make formation be distributed rapidly by heat, and make brake hub longer service life, performance is more excellent.Louvre (413) on sleeve body (41) run through direction owing to there is an angle with the direction of axis line of described safe axle sleeve, therefore installing in axle sleeve (4) process that rotates, surrounding's generation air swirl of louvre (413) can be made, to make radiating effect better.
in a concrete preferred embodiment, the outward flange of the flange 52 of locking piece 5 is arranged at intervals with multiple depression 521.Depression 521 can be formed distinguished and admirable in the process of bicycle running, and distinguished and admirable entering further by the screw thread on locking piece is installed in axle sleeve 4 and in brake disc attaching parts 3 and hub shell 2, further increase radiating effect.In one more specifically preferred embodiment, the outside face of the siphonata dorsad 51 of the flange 52 of locking piece 5 is provided with multiple groove 522.Groove 522 herein, mainly in order to the convenient operation locking piece 5 when installing brake hub, such as, uses spanner to coordinate to come operable lock locking member with groove 522, so firmly more convenient, installs also more firm.Groove 522 can be set to multiple, and multiple groove 522 can equally spaced be arranged on circumferentially same, and the center of circle of this circumference is on the line of centers of the opening of siphonata 51.Also otherwise can arrange according to actual needs, mainly play the object of convenient operation, the structure of locking piece 5 can see Fig. 5 to Fig. 7.
consult figure Fig. 7, figure is the scheme of installation according to plate type brake hub of the present invention.When mounted, first installation axle sleeve 4 can be connected with brake disc 1, such as, the first contiguous block 421 be fixedly connected respectively with the second contiguous block 11 on brake disc 1, can be screwed.The tubular body 31 of brake disc attaching parts 3 is inserted in the sleeve body 41 installing axle sleeve 4, and both are in mating connection.The siphonata 51 of locking piece 5 inserts in the centre hole of tubular body 31 of brake disc attaching parts 3 through the mounting groove 112 on brake disc 1, and outside thread 511 on siphonata 51 outside face is in mating connection with the negative thread 311 on tubular body 31 inside face.Like this, locking piece 5 and brake disc attaching parts 3 just will be installed axle sleeve 4 and be maintained with the brake disc 3 that installation axle sleeve 4 is fixedly connected.Meanwhile, on sleeve body 41, louvre (413) plays the effect of heat radiation.
the structure of hub axle is not illustrated in the present invention, and it can be the structure of bicycle Chang Grains axle, also can be the usual manner in this area with the connection mode of miscellaneous part and hub shell 2.
when bicycle normally works, brake disc 1 gyrates together with wheel rim set on it, and drives brake disc attaching parts 3 and hub shell 2 to rotate by installing axle sleeve 4.When needing brake, external force is applied by the brake-applying handle of cycle brake, and drive braking clamp to contact with brake disc 1 and to apply resistance to brake disc 1 by trailing cable, brake disc 1 is slowly stopped operating, brake disc 1 makes to install axle sleeve 4, brake disc attaching parts 3 and hub shell 2 more further and stops operating, thus the wheel rim be connected by spoke with the first hub shell end 21, second hub shell end 22 of hub shell 2 is stopped operating, finally achieve the brake of bicycle.The setting of the depression on locking piece 5 further improves radiating effect, and effectively can eliminate the noise of each parts of brake hub in bicycle running process.Thus, bicycle disk brake of the present invention not only structure is more stable, good heat dissipation effect, and noise is little, stable performance, can avoid the oil leakage phenomenon of hub shell and hub axle, has very good application prospect.
in the present invention; such as the parts of hub axle, brake disc 1 etc. can adopt the conventional components of this area; the set-up mode of the brake clamp contacted movably with brake disc also can adopt the conventional connection mode of this area; do not do too much description because not relating to key protection point of the present invention, those skilled in the art easily can understand according to prior art.
above to invention has been detailed description; the explanation of embodiment just understands method of the present invention and core concept thereof for helping; its object is to allow the personage being familiar with this art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. the safe axle sleeve (4) of a bicycle disk brake, described installation axle sleeve (4) has the sleeve body (41) that offers centre hole (411) and is extended radially outward the dish connecting portion (42) formed by the periphery of described sleeve body (41), described sleeve body (41) offers the louvre (413) of along the circumferential direction arranging, described installation axle sleeve (4) in rotation process around an axial line rotation, described sleeve body (41) has the first end face and the second end face, described louvre (413) extends through the second end face from the first end face, it is characterized in that: the direction of axis line running through direction and safe axle sleeve (4) of described louvre (413) has an angle, and it is vertical with the radial direction of the safe axle sleeve of described louvre (413) position, increase heat radiation function is played to form air swirl in described installation axle sleeve (4) rotary course, described angle is 0 ° ~ 90 °.
2. the safe axle sleeve (4) of a kind of bicycle disk brake according to claim 1, is characterized in that, the angle running through the axial line of direction and described safe axle sleeve of described louvre (413) is 30 °.
3. the safe axle sleeve (4) of a kind of bicycle disk brake according to claim 1, is characterized in that, described centre hole (411) the cross section outer rim of inside face be polygon or ellipse.
4. the safe axle sleeve (4) of a kind of bicycle disk brake according to claim 1, is characterized in that, the dish connecting portion (42) of described installation axle sleeve (4) comprises at least one first contiguous block (421) radially extended.
5. comprise a bicycle disk brake for the arbitrary described safe axle sleeve of one (4) of claim 1 ~ 4, comprising:
Brake disc (1);
Hub axle, it has the first relative axle head and the second axle head, and the axial line of described hub axle extends between described first axle head and described second axle head;
Hub shell (2), it comprises the first relative hub shell end (21) and the second hub shell end (22), and described hub shell (2) is pivotally connected on described hub axle;
Brake disc attaching parts (3), it is arranged on described first hub shell end (21), and described brake disc attaching parts (3) has tubular body (31), and the inside face of described tubular body (31) has negative thread (311);
Install axle sleeve (4), it can be connected with described brake disc (1);
Locking piece (5), it has siphonata (51) and is extended radially outward the flange (52) formed by the periphery, bottom of described siphonata (51), the outside face of described siphonata (51) has the outside thread (511) that can match with the negative thread (311) of described brake disc attaching parts (3)
The cross section outer rim of the outside face of the tubular body (31) of brake disc attaching parts (3) is in the polygon matched with the cross section outer rim of described installation axle sleeve centre hole inside face or ellipticity, when the outside thread (511) of the siphonata (51) of described locking piece (5) and the negative thread (311) of the inside face of the tubular body (31) of described brake disc attaching parts (3) are in mating connection, the inside face of the centre hole (411) of described installation axle sleeve (4) matches with the outside face of the tubular body (31) of brake disc attaching parts (3), described installation axle sleeve (4) is maintained by described locking piece (5) and described brake disc attaching parts (3).
6. bicycle disk brake according to claim 5, is characterized in that: the outward flange of the flange (52) of described locking piece (5) is arranged at intervals with multiple depression (521).
7. bicycle disk brake according to claim 5, is characterized in that: the flange (52) of described locking piece (5) is provided with multiple groove (522) on the outside face of described siphonata (51) dorsad.
8. bicycle disk brake according to claim 5, it is characterized in that: described brake disc (1) has the installation portion (11) for connection axle sleeve (4), described installation portion (11) comprises at least one second contiguous block (111) that can be connected with at least one first contiguous block (421) described.
9. bicycle disk brake according to claim 5, it is characterized in that: comprise the mounting groove (112) axially running through brake disc (1) in the installation portion (11) of described brake disc (1), described mounting groove (112) can allow the siphonata of locking piece (5) (51) to pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486328.9A CN104260813A (en) | 2014-09-23 | 2014-09-23 | Safe shaft sleeve for bicycle disc brake and bicycle disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486328.9A CN104260813A (en) | 2014-09-23 | 2014-09-23 | Safe shaft sleeve for bicycle disc brake and bicycle disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104260813A true CN104260813A (en) | 2015-01-07 |
Family
ID=52152448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410486328.9A Pending CN104260813A (en) | 2014-09-23 | 2014-09-23 | Safe shaft sleeve for bicycle disc brake and bicycle disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016109979A1 (en) * | 2015-01-09 | 2016-07-14 | 宏展五金塑胶制品（苏州）有限公司 | Brake disc assembly |
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| CN204037817U (en) * | 2014-09-23 | 2014-12-24 | 宏展五金塑胶制品（苏州）有限公司 | A kind of safe axle sleeve of bicycle disk brake and bicycle disk brake |
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| CN2579787Y (en) * | 2002-11-07 | 2003-10-15 | 许艳 | Electric bicycle with braking disc |
| US20040149526A1 (en) * | 2002-11-19 | 2004-08-05 | Honda Motor Co., Ltd. | Disk brake device for vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016109979A1 (en) * | 2015-01-09 | 2016-07-14 | 宏展五金塑胶制品（苏州）有限公司 | Brake disc assembly |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |