CN203784156U - Disc brake of bicycle - Google Patents
Disc brake of bicycle Download PDFInfo
- Publication number
- CN203784156U CN203784156U CN201420221257.5U CN201420221257U CN203784156U CN 203784156 U CN203784156 U CN 203784156U CN 201420221257 U CN201420221257 U CN 201420221257U CN 203784156 U CN203784156 U CN 203784156U
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- Prior art keywords
- brake disc
- axle sleeve
- tubular body
- hub
- hub shell
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- Expired - Lifetime
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- 238000009434 installation Methods 0.000 claims description 28
- 230000005855 radiation Effects 0.000 claims description 22
- 230000013011 mating Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 5
- 238000001149 thermolysis Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
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Abstract
The utility model provides a disc brake of a bicycle. The disc brake comprises a brake disc, a hub axle, a hub shell, a brake disc connecting piece, an installing axle sleeve and a locking part, wherein the brake disc connecting piece is provided with a tubular body and a ring-shaped boss; the tubular body is provided with an inner thread; the installing axle sleeve is provided with an axle sleeve body and a disc connecting part; the locking part is provided with a tubular part and a flange; the tubular part is provided with an outer thread; the section of the outer surface of the tubular body is polygonal; lugs are arranged on the surface of the ring-shaped boss; the outer edge of the section of the inner surface of a center hole of the axle sleeve body is also polygonal, so that the inner surface can be matched with the outer surface of the tubular body; lug installing holes which can be connected with the lugs in a matching manner are arranged on the end face of the axle sleeve body; when the outer thread is matched with the inner thread, the inner surface of the installing axle sleeve is matched with the outer surface of the tubular body, the lugs are inserted in the lug installing holes, and the locking part and the brake disc connecting piece hold the installing axle sleeve.
Description
Technical field
the utility model relates to bicycle brake field, relates more specifically to a kind of bicycle disk brake.
Background technique
along with reaching its maturity and the requirements at the higher level of people to Green Travel of bike tech development, bicycle is more and more for daily life, thereby, improving bicycle aspect of performance, researcher has dropped into more energy, particularly about cycle brake.The bicycle brake system of current use mainly contains two types of disc type and drum-types, disk type braker because it is swift in response, stability and thermal diffusivity is good etc. that advantage is widely used, existing disk type braker generally comprises the clamp that are operably connected on brake handle and is fixedly attached to the disc type brake dish on the hub of wheel, wherein the Placement of disc type brake dish and wheel hub has several, for example, an and locking ring in mating connection by the corresponding spline on an axle sleeve and hub maintains brake disc.But this kind of Placement stability, thermal diffusivity are also good not, and install complicatedly, thereby in this field, need a kind of improved bicycle disk brake badly, to overcome the problems referred to above of the prior art.
Summary of the invention
in order to overcome the problems referred to above of the prior art, the utility model provides a kind of bicycle disk brake, and this brake hub structure is simpler, and assembling effect is more stable and thermal diffusivity is better, long service life.
the technical solution adopted in the utility model is: a kind of bicycle disk brake, comprising:
brake disc;
hub axle, it has the first relative axle head and the second axle head, and the shaft axis of hub axle extends between the first axle head and the second axle head;
hub shell, it comprises the first relative hub shell end and the second hub shell end, hub shell is pivotally connected on hub axle;
brake disc link, it is arranged on the first hub shell end, brake disc link has tubular body and extends radially outward by the bottom periphery of tubular body the annular boss forming, and tubular body has the free end away from annular boss, and the internal surface of tubular body has internal thread;
axle sleeve is installed, and it can be connected with brake disc, and installation shaft cover has and offers the axle sleeve body of center hole and extend radially outward by the periphery of axle sleeve body the dish joint forming; And
latch, it has siphonata and extends radially outward by the bottom periphery of siphonata the flange forming, and the outer surface of siphonata has the outside thread that can match with the internal thread of brake disc link;
wherein, brake disc link the cross section outer rim of outer surface of tubular body be polygonal, annular boss forms a plurality of projections that are along the circumferential direction intervally arranged on the surface of the free end towards tubular body, the cross section outer rim of the internal surface of the center hole of the axle sleeve body of installation axle sleeve is also polygonal, this internal surface can be matched with the outer surface of the tubular body of brake disc link, on one side end face of the center line perpendicular to center hole of axle sleeve body, offer can be in mating connection with a plurality of projections a plurality of along the circumferential direction projection mounting holes spaced apart, when the internal thread of the outside thread of siphonata of latch and the internal surface of the tubular body of brake disc link is in mating connection, the internal surface that the center hole of axle sleeve is installed matches with the outer surface of the tubular body of brake disc link, and a plurality of projections of brake disc link are plugged in a plurality of projection mounting holes that axle sleeve is installed, latch and brake disc link are maintained installation axle sleeve.
preferably, on the outward edge of the flange of latch, be arranged at intervals with a plurality of depressions.
more preferably, the flange of latch is provided with a plurality of grooves on the outer surface of siphonata dorsad.Herein, arranging of groove is mainly the effect of playing convenient operation.When mounted, the outside thread on latch will match with the internal thread on brake disc link brake hub, needs manually-operable, can be easier by making spanner and coordinating of groove to install, and firmly more stable, the installation of whole brake hub is more coordinated.
preferably, described projection and tubular body are alternate to be separated, and on annular boss, between projection and tubular body, locates to offer at least one the heat radiation through hole extending vertically.
more preferably, heat radiation through hole is a plurality of, and a plurality of heat radiation through holes compartment of terrain is distributed on same circumference, and the center of circle of this circumference is on the center line of tubular body.
heat radiation through hole can also can be arranged between adjacent projection near projection setting, is mainly to play thermolysis.
heat radiation through hole can play good thermolysis, avoided brake disc link and axle sleeve be installed and because expanding with heat and contract with cold, be out of shape, connection rivet on each parts etc. can not be heated because of the friction of braked-disc hub and expand, this stability to the overall structure of brake hub and performance plays very important effect, because expanding with heat and contract with cold of rivet or each parts very easily causes the integrally-built destruction of brake hub.In addition, good thermolysis, has also avoided the leakage of the hub oil at the connected element places such as hub axle and hub shell.
in addition, above-mentioned set a plurality of depressions mainly play and when bicycle normally travels, form wind and cut effect, wind-force enters from the thread gaps of latch and brake disc link, the projection mounting hole putting by installation shaft again and brake disc link upper protruding block plug the micro-gap and heat radiation through hole of rear formation, can effectively reduce driving noise, and improve radiating effect and prevent that vent hole from stopping up.In addition, during bicycle running, being recessed in while moving on the annular flange flange outward edge of latch forms air-flow, and air-flow enters with the gap at the internal thread place of matching by outside thread, and thermal diffusivity is good.
further, the dish joint of installation axle sleeve comprises at least one first contiguous block radially extending.
further, brake disc has the assembly department for connection axle sleeve, and assembly department comprises at least one second contiguous block that can be connected with at least one the first contiguous block.
axle sleeve is installed and is fixedly connected by the first contiguous block and being connected of the second contiguous block with brake disc, like this, just can drive the rotation of installation axle sleeve or stop by brake disc, thereby reach the object of brake.
preferably, comprise the mounting groove that axially runs through brake disc in the assembly department of brake disc, mounting groove can allow the siphonata of latch to pass.The siphonata of latch is through mounting groove, and the outside thread on it matches with the internal thread on brake disc link.
further, the first hub shell end is connected with the first axle head rotationally by clutch shaft bearing assembly, and the second hub shell end is connected with the second axle head rotationally by the second bearing unit.Hub shell is connected Yu Grains axle rotationally, and Bing You Grains axle supports.
compared with prior art, the utlity model has following advantage: plate type brake hub of the present utility model has utilized the internal surface of polygonal cross-section of axle sleeve body center hole and the outer surface of the polygonal cross-section of brake disc link to be connected, and further make a plurality of projections on axle sleeve body end face match with the projection mounting hole on brake disc link, by the dual power transmission that is connected to realize brake disc and brake disc link and hub shell, like this, overall structure is more stable, and performance is more excellent.In addition, the projection mounting hole that projection on brake disc link of the present utility model and installation shaft put is in mating connection, when playing the effect being fixedly connected with, also there is good radiating effect, because projection and projection mounting hole can form small gap by between after grafting, in the working procedure of brake hub, small gap can form wind-force, thereby plays the effect of heat radiation.In addition, the setting of the heat radiation through hole on brake disc link also can be played good thermolysis, after brake disc link is connected with installation axle sleeve, projection inserts in projection mounting hole, and heat radiation through hole and above-mentioned micro-gap are mutually promoted, make radiating effect better, can avoid the connection rivet of conventional art Intermediate shaft sleeve and floral disc because expanding with heat and contract with cold, to be out of shape the structural unstable shortcoming of bringing, and can further prevent the leakage that hub oil causes because crossing thermal expansion, make brake hub more permanent service time, wear and tear less, structure and performance are all more excellent.
Accompanying drawing explanation
accompanying drawing 1 is according to the schematic top plan view of the brake disc of plate type brake hub of the present utility model.
accompanying drawing 2 is according to the schematic perspective view of the brake disc of plate type brake hub of the present utility model.
accompanying drawing 3 is according to the front elevational schematic of the installation axle sleeve of plate type brake hub of the present utility model.
accompanying drawing 4 is according to the schematic perspective view of the installation axle sleeve of plate type brake hub of the present utility model.
accompanying drawing 5 is that wherein brake disc link is arranged on the first end of hub shell according to the perspective diagram of the hub shell of plate type brake hub of the present utility model.
accompanying drawing 6 is the hub shell front elevational schematic according to plate type brake hub of the present utility model, and wherein brake disc link is arranged on the first end of hub shell.
accompanying drawing 7 is that wherein brake disc link is arranged on the first end of hub shell according to the schematic top plan view of the hub shell of plate type brake hub of the present utility model.
accompanying drawing 8 is according to the schematic perspective view of the latch of plate type brake hub of the present utility model.
accompanying drawing 9 is according to the elevational schematic view of the latch of plate type brake hub of the present utility model.
accompanying drawing 10 is according to the front elevational schematic of the latch of plate type brake hub of the present utility model.
accompanying drawing 11 is according to the scheme of installation of the utility model plate type brake hub.
accompanying drawing 12 is another scheme of installations according to plate type brake hub of the present utility model.
in figure: 1, brake disc; 11, assembly department; 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 link; 31, tubular body; 311, internal thread; 32, annular boss; 321, projection; 322, heat radiation through hole; 4, axle sleeve is installed; 41, axle sleeve body; 411, center hole; 412, projection mounting hole; 42, dish joint; 421, the first contiguous block; 5, latch; 51, siphonata; 511, outside thread; 52, flange; 521, depression; 522, groove.
Embodiment
below in conjunction with accompanying drawing, the utility model is described in further detail, so that those skilled in the art can understand the utility model better, thereby protection domain of the present utility model is made to more explicit defining.
consult accompanying drawing, according to disk type braker of the present utility model, comprise: brake disc 1; Hub axle, it has the first relative axle head and the second axle head, and the shaft axis 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, hub shell 2 is pivotally connected on hub axle; Brake disc link 3, it is arranged on the first hub shell end 21 and is integrally formed with hub shell 2, brake disc link 3 has tubular body 31 and extends radially outward by the bottom periphery of tubular body 31 annular boss 32 forming, tubular body 31 has the free end away from annular boss 32, and the internal surface of tubular body 31 has internal thread 311; Axle sleeve 4 is installed, and it can be connected with brake disc 1, axle sleeve 4 is installed and is had and offer the axle sleeve body 41 of center hole 411 and extend radially outward by the periphery of axle sleeve body 41 the dish joint 42 forming; And latch 5, it has siphonata 51 and extends radially outward by the bottom periphery of siphonata 51 flange 52 forming, and the outer surface of siphonata 51 has the outside thread 511 that can match with the internal thread 311 of brake disc link 3; Wherein brake disc link 3 the cross section outer rim of outer surface of tubular body 31 be polygonal, annular boss 32 forms a plurality of projections that are along the circumferential direction intervally arranged 321 on the surface of the free end towards tubular body 31, projection 321 is alternate with tubular body 31 to be separated, and on annular boss 32, between projection 321 and tubular body 31, locates to offer a plurality of heat radiation through holes 322 that extend vertically.A plurality of heat radiation through holes 322 compartment of terrains are distributed on same circumference, and the center of circle of this circumference is on the center line of tubular body 31.The cross section of the internal surface of the center hole 411 of the axle sleeve body 41 of installation axle sleeve 4 is also polygonal, this internal surface can be matched with the outer surface of the tubular body 31 of brake disc link 3, axle sleeve body 41 offers a plurality of along the circumferential direction projection mounting holes 412 spaced apart that can be in mating connection with a plurality of projections 321 on a side end face of the center line perpendicular to center hole 411, when the outside thread 511 of the siphonata 51 of latch 5 and the internal thread 311 of the internal surface of the tubular body 31 of brake disc link 3 are when in mating connection, the internal surface of center hole 411 of axle sleeve 4 and the outer surface of the tubular body 31 of brake disc link 3 are installed to match, and a plurality of projections 321 of brake disc link 3 are plugged in a plurality of projection mounting holes 412 that axle sleeve 4 is installed, latch 5 and brake disc link 3 are maintained installation axle sleeve 4.And, when brake disc link 3 is when installing axle sleeve 4 and be connected, projection 321 grafting that matches with projection mounting hole 412.
wherein, projection 321 matches with projection mounting hole 412 and can form small gap while pegging graft, and make the radiating effect of brake hub of the present utility model relatively good, and structure is fairly simple.In addition, after installing completely, it is very near that the heat radiation through hole 322 on the annular boss 32 of projection 321 inner sides and projection mounting hole 412 lean on, and like this, heat radiation through hole 322 can be realized better radiating effect under the mating reaction in above-mentioned small gap.
particularly, first consult Fig. 1 to Fig. 2, in this two width figure, shown according to brake disc 1 of the present utility model.Fig. 1 to Fig. 2 is respectively plan view and the stereogram of this embodiment's brake disc 1, brake disc 1 is disc type, there is the assembly department 11 for connection axle sleeve 4, assembly department 11 comprises spaced 6 the second contiguous blocks 111, for being connected with the first contiguous block 421 of installing on axle sleeve 4, further brake disc 1 and installation axle sleeve 4 are fixedly connected.In the assembly department 11 of brake disc 1, also comprise the mounting groove 112 that axially runs through brake disc 1, mounting groove 112 can allow the siphonata 51 of latch 5 to pass.In actual applications, the structure of brake disc 1 is not limited to aforesaid way, and the conventional brake disc 1 being limited in technology all can be realized the purpose of this utility model.Can utilize any Placement of the prior art or those skilled in the art according to prior art, to transform or convert formed many Placements, at this, not do concrete more detailed description in detail.
consult Fig. 3 to Fig. 4, this two width figure has shown according to installation axle sleeve 4 of the present utility model, as can be seen from the figure, it is also disc type that axle sleeve 4 is installed, and comprises and offers the axle sleeve body 41 of center hole 411 and extend radially outward by the periphery of axle sleeve body the dish joint 42 forming.Dish joint 42 comprises spaced a plurality of the first contiguous blocks 421 that radially extend, more specifically, the first contiguous block 421 is altogether six, six the first contiguous blocks 421 arrange along the even compartment of terrain of periphery of axle sleeve body 41, and be also provided with hole on the first contiguous block 421, merga pass (for example) rivet that can match with the hole on the second contiguous block 111 on brake disc 1 is connected, with further by brake disc 1 with axle sleeve 4 be installed be connected.Like this, the first contiguous block 421 and the second contiguous block 111 can be fixedly connected by screw etc., and the center hole 411 of axle sleeve body 4 is corresponding with mounting groove 112, the siphonata 51 of latch 5 is through mounting groove 112 in mating connection with the internal thread 311 on brake disc link 3 by the outside thread 511 on it, the tubular body 31 that brake disc connects on 3 is inserted in the center hole 411 that axle sleeve 4 is installed, make the internal surface of the outer surface of tubular body 31 and the center hole 411 of axle sleeve body 41 in mating connection, simultaneously, a plurality of projection mounting holes 412 on axle sleeve body 41 plug with a plurality of projections 321 on the annular boss 32 of brake disc link 3.Like this, latch 5 just will be installed axle sleeve 4 and be maintained with the brake disc 1 that installation axle sleeve 4 is fixedly connected with brake disc link 3.
consult Fig. 5 to Fig. 7, this three accompanying drawing is respectively according to schematic perspective view, front elevational schematic and the schematic top plan view of hub shell 2 of the present utility model and upper set dish link 3 again.Preferably, brake disc link 3 is arranged on the first hub shell end 21 of hub shell 2 and is integrally formed with hub shell 2.The 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 unit.Particularly, hub shell 2 comprises the first hub shell end 21 and the second hub shell end 22 and the shell portion between the first hub shell end 21 and the second hub shell end 22 with internal channel, and hub axle (not shown) is rotationally connected ground support hub shell 2 through this internal channel and with hub shell 2.The central axis of the shaft axis of hub axle and hub shell 2 coincides, and hub shell 2 circumferentially rotates around hub axle.In the utility model, the Placement of hub axle and hub shell 2 can adopt conventional Placement of the prior art, not as model utility emphasis of the present utility model, thereby does not do too much description.
brake disc link 3 is positioned at the first hub shell end 21 places, and the center line of the center line of the opening of its tubular body 31 and hub shell 2 coincides.In a preferred embodiment, the cross section outer rim of the outer surface of tubular body 31 is octagon, annular boss 32 on the surface of axle sleeve body 4, be arranged at intervals with a plurality of projections 321, projection 321 is alternate with tubular body 31 to be separated, and on annular boss 32, between projection 321 and tubular body 31, locates to offer a plurality of heat radiation through holes 322 that extend vertically.A plurality of heat radiation through holes 322 are distributed on same circumference, the center of circle of this circumference is on the central axis of hub shell 2, and axle sleeve body 41 on the end face towards brake disc link 3, be provided with can be in mating connection with projection 321 a plurality of axially extended projection mounting hole 412, and the cross section outer rim of the internal surface of axle sleeve body 41 is also octagon, make this internal surface can be in mating connection with the outer surface of tubular body 31.When installation axle sleeve 4 is connected with brake disc link 3, the tubular body 31 of brake disc link 3 is inserted in the center hole 411 of axle sleeve bodies 41 and is in mating connection, and a plurality of projection mounting holes on the end face of a plurality of projections on annular boss 32 321 and axle sleeve body 41 plug,, both have realized dual being connected, connection is more firm like this, makes brake performance more stable.In the normal running process of bicycle, because persistent movement can produce heat between each parts of brake hub, parts and connection rivet thereof etc. are expanded with heat and contract with cold, easily damage, when serious, even cause whole brake hub normally not use, the micro-gap forming between heat radiation through hole and projection and projection mounting hole can distribute heat rapidly, makes brake hub longer service life, and performance is more excellent.
in a concrete preferred embodiment, on the outward edge of the flange 52 of latch 5, be arranged at intervals with a plurality of depressions 521.Depression 521 can form distinguished and admirable in the process of bicycle running, distinguished and admirable can by the screw thread on latch further enter install in axle sleeve 4 and brake disc link 3 and drum shell 2 in, further improved radiating effect.One, more specifically in preferred embodiment, on the outer surface of the siphonata dorsad 51 of the flange 52 of latch 5, be provided with a plurality of grooves 522.Groove 522 is herein mainly for convenient operation latch 5 when brake hub is installed, such as, with spanner, coordinate to come operational lock part with groove 522, so firmly more convenient, install also more firm.Groove 522 can be set to a plurality of, and a plurality of grooves 522 can equally spaced be arranged on same circumference, and the center of circle of this circumference is on the center line of the opening of siphonata 51.Also can otherwise arrange according to actual needs, be mainly to play the relatively object of operation, and the structure of latch 5 can be referring to Fig. 8 to Figure 10.
consult Figure 11 to Figure 12, this two width figure is the scheme of installation according to plate type brake hub of the present utility model.When mounted, can first by axle sleeve 4 is installed, be connected with brake disc 1, for example, the first contiguous block 421 and the second contiguous block 11 on brake disc 1 are fixedly connected respectively, can be screwed.The tubular body 31 of brake disc link 3 is inserted in the axle sleeve body 41 that axle sleeve 4 is installed, both are in mating connection, simultaneously, in projection mounting hole 412 on the end face of a plurality of projections 321 insertion axle sleeve bodies 41 on the annular boss 32 of brake disc link 3, like this, brake disc link 3 has just been realized dual connection with axle sleeve body 41.In the center hole of the siphonata 51 of latch 5 through the tubular body 31 of the installation slotted eye 112 insertion brake disc links 3 on brake disc 1, and the outside thread on siphonata 51 outer surfaces 511 is in mating connection with the internal thread 311 on tubular body 31 internal surfaces.Like this, latch 51 just will be installed axle sleeve 4 and be maintained with the brake disc 3 that installation axle sleeve 4 is fixedly connected with brake disc link 3.Meanwhile, after projection 321 inserts in projection mounting holes 412, the micro-gap between heat radiation through hole 322 and projection and projection mounting hole 412 is mutually promoted, and makes radiating effect better.That is, in the utility model, by simple structure, realized good radiating effect, made the structure of brake hub and performance all more stable, longer service life is of a specified duration.
the structure of hub axle illustrates in the utility model, and it can be the structure of bicycle Chang Yong Grains axle, with the Placement of miscellaneous part and hub shell 2 can be also the usual manner in related domain.
when bicycle is normally worked, brake disc 1 gyrates together with wheel rim set on it, and drives brake disc link 3 and hub shell 2 to rotate by axle sleeve 4 is installed.In the time of need to braking, brake handle by cycle brake applies external force, and drive braking clamp contact with brake disc 1 and apply resistance to brake disc 1 by traction rope, brake disc 1 is slowly stopped operating, brake disc 1 further makes to install axle sleeve 4, brake disc link 3 and hub shell 2 again and stops operating, thereby make to stop operating with the first hub shell end 21 of hub shell 2, the wheel rim that the second hub shell end 22 is connected by spoke, finally realized the brake of bicycle.Projection 321 on heat radiation through hole 322 and brake disc link 3 and the gap of installing between the projection mounting hole 412 on axle sleeve 4 have formed wind passage jointly, improve radiating effect, made brake hub of the present utility model can not be heated and damage because of long-term use friction.The setting of the depression on latch 5 has further improved radiating effect, and can effectively eliminate the noise of each parts of brake hub in bicycle running process.Thereby bicycle disk brake of the present utility model 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 utility model; such as the parts of hub axle, brake disc 1 etc., can adopt the conventional components of related domain; the set-up mode of the brake calipers contacting movably with brake disc also can adopt the conventional Placement of related domain; because not relating to key protection point of the present utility model, do not do too much description, those skilled in the art can easily understand according to prior art.
above specific embodiment of the present utility model is illustrated; but protection content of the present utility model is not only limited to above embodiment; under of the present utility model, in technical field, the common knowledge of a GPRS just can be carried out diversified change within the scope of its technology main idea.
Claims (9)
1. a bicycle disk brake, comprising:
Brake disc (1);
Hub axle, it has the first relative axle head and the second axle head, and the shaft axis of described hub axle extends between described the first axle head and described the second axle head;
Hub shell (2), it comprises the first relative hub shell end (21) and the second hub shell end (22), described hub shell (2) is pivotally connected on described hub axle;
Brake disc link (3), it is arranged on described the first hub shell end (21), described brake disc link (3) has tubular body (31) and extends radially outward by the bottom periphery of described tubular body (31) annular boss (32) forming, described tubular body (31) has the free end away from described annular boss (32), and the internal surface of described tubular body (31) has internal thread (311);
Axle sleeve (4) is installed, it can be connected with described brake disc (1), and described installation axle sleeve (4) has and offers the axle sleeve body (41) of center hole (411) and extend radially outward by the periphery of described axle sleeve body (41) the dish joint (42) forming; And
Latch (5), it has siphonata (51) and extends radially outward by the bottom periphery of described siphonata (51) flange (52) forming, and the outer surface of described siphonata (51) has the outside thread (511) that can match with the internal thread (311) of described brake disc link (3);
It is characterized in that: the cross section outer rim of the outer surface of the tubular body (31) of described brake disc link (3) is polygonal, described annular boss (32) forms a plurality of projections that are along the circumferential direction intervally arranged (321) on the surface of the free end towards described tubular body (31), the cross section outer rim of the internal surface of the center hole (411) of the axle sleeve body (41) of described installation axle sleeve (4) is polygonal, this internal surface can be matched with the outer surface of the tubular body (31) of described brake disc link (3), described axle sleeve body (41) offers a plurality of along the circumferential direction projection mounting holes (412) spaced apart that can be in mating connection with a plurality of projections (321) on a side end face of the center line perpendicular to described center hole (411), when the internal thread (311) of the outside thread (511) of siphonata (51) of described latch (5) and the internal surface of the tubular body (31) of described brake disc link (3) is in mating connection, the internal surface of the center hole (411) of described installation axle sleeve (4) matches with the outer surface of the tubular body (31) of brake disc link (3), and a plurality of projections (321) of described brake disc link (3) are plugged in a plurality of projection mounting holes (412) of described installation axle sleeve (4), described latch (5) and described brake disc link (3) are maintained described installation axle sleeve (4).
2. bicycle disk brake according to claim 1, is characterized in that: on the outward edge of the flange (52) of described latch (5), be arranged at intervals with a plurality of depressions (521).
3. bicycle disk brake according to claim 1, is characterized in that: the flange (52) of described latch (5) is provided with a plurality of grooves (522) on the outer surface of described siphonata (51) dorsad.
4. bicycle disk brake according to claim 1, it is characterized in that: described projection (321) and alternate separating of tubular body (31), and upper at least one the heat radiation through hole (322) extending vertically that offers at the interval corresponding between projection (321) and tubular body (31) of annular boss (32).
5. bicycle disk brake according to claim 4, is characterized in that: heat radiation through hole (322) is for a plurality of, and a plurality of heat radiation through holes (322) compartment of terrain is distributed on same circumference, and the center of circle of this circumference is on the center line of tubular body (31).
6. bicycle disk brake according to claim 1, is characterized in that: the dish joint (42) of described installation axle sleeve (4) comprises at least one first contiguous block (421) radially extending.
7. bicycle disk brake according to claim 6, it is characterized in that: described brake disc (1) has the assembly department (11) for connection axle sleeve (4), described assembly department (11) comprises at least one second contiguous block (111) that can be connected with described at least one first contiguous block (421).
8. bicycle disk brake according to claim 7, it is characterized in that: in the assembly department (11) of described brake disc (1), comprise that the mounting groove (112) that axially runs through brake disc (1), described mounting groove (112) can allow the siphonata (51) of latch (5) to pass.
9. bicycle disk brake according to claim 8, it is characterized in that: described the first hub shell end (21) is connected with the first axle head rotationally by clutch shaft bearing assembly, described the second hub shell end (22) is connected with described the second axle head rotationally by the second bearing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221257.5U CN203784156U (en) | 2014-05-04 | 2014-05-04 | Disc brake of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221257.5U CN203784156U (en) | 2014-05-04 | 2014-05-04 | Disc brake of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784156U true CN203784156U (en) | 2014-08-20 |
Family
ID=51320347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221257.5U Expired - Lifetime CN203784156U (en) | 2014-05-04 | 2014-05-04 | Disc brake of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950500A (en) * | 2014-05-04 | 2014-07-30 | 宏展五金塑胶制品（苏州）有限公司 | Disc brake for bicycles |
-
2014
- 2014-05-04 CN CN201420221257.5U patent/CN203784156U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950500A (en) * | 2014-05-04 | 2014-07-30 | 宏展五金塑胶制品（苏州）有限公司 | Disc brake for bicycles |
| CN103950500B (en) * | 2014-05-04 | 2017-06-30 | 宏展五金塑胶制品（苏州）有限公司 | A kind of bicycle disk brake |
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Granted publication date: 20140820 |
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| CX01 | Expiry of patent term |