CN204056157U - A kind of hub shell component of bicycle disk brake and bicycle disk brake - Google Patents
A kind of hub shell component of bicycle disk brake and bicycle disk brake Download PDFInfo
- Publication number
- CN204056157U CN204056157U CN201420547512.5U CN201420547512U CN204056157U CN 204056157 U CN204056157 U CN 204056157U CN 201420547512 U CN201420547512 U CN 201420547512U CN 204056157 U CN204056157 U CN 204056157U
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- Prior art keywords
- hub shell
- brake disc
- tubular body
- attaching parts
- hub
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- 238000001149 thermolysis Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 31
- 230000013011 mating Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000003570 air Substances 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model provides a kind of hub shell component of bicycle disk brake, and described hub shell component comprises: hub shell, and it comprises the first relative hub shell end and the second hub shell end; 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; Described tubular body is provided with a heat abstractor near one end of the first hub shell end, described heat abstractor comprises multiple radiating gill, described radiating gill is arranged along the circumferencial direction of described tubular body, and described radiating gill protrudes to away from tubular body direction, when described hub shell component rotates, the radiating gill of described heat abstractor rotates, and makes surrounding air form whirlpool, to play thermolysis.
Description
Technical field
the utility model relates to a kind 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 problem to be solved in the utility model overcomes the utility model to provide a kind of bicycle disk brake, and this brake hub structure is simpler, and assembling effect is more stable and thermal diffusivity better, long service life.
the utility model provides a kind of hub shell component of bicycle disk brake, and described hub shell component comprises: hub shell, and it comprises the first relative hub shell end and the second hub shell end; 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; Described tubular body is provided with a heat abstractor near one end of the first hub shell end, described heat abstractor comprises multiple radiating gill, described radiating gill is arranged along the circumferencial direction of described tubular body, and described radiating gill protrudes to away from tubular body direction, when described hub shell component rotates, the radiating gill of described heat abstractor rotates, and makes surrounding air form whirlpool, to play thermolysis.
the utility model also will provide a kind of bicycle disk brake comprising above-mentioned hub shell component simultaneously, and described bicycle disk brake also comprises:
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, and described hub shell is pivotally connected on described hub axle;
install axle sleeve, it can be connected with described brake disc, and described installation shaft cover has the sleeve body that offers centre hole and extended radially outward the dish connecting portion formed by the periphery of described sleeve body; And
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 polygon, the cross section outer rim on the surface of the centre hole of the sleeve body of described installation axle sleeve is also in polygon, this inside face can be matched with the outside face of the tubular body of described brake disc attaching parts, 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, 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 sleeve body offers the louvre of along the circumferential direction arranging.
preferably, the dish connecting portion of described installation axle sleeve comprises at least one first contiguous block radially extended.
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 utility model has the following advantages: the hub shell component of plate disc brake of the present utility model has installed heat abstractor, also rotate at the heat abstractor of drg rotationally described in process thereupon, the radiating gill of such heat abstractor can drive ambient air to flow, form air swirl, strengthen air flowing, make radiating effect more obvious.Heat abstractor is ingenious utilizes the rotation of bicycle in the process of advancing, and the heat of generation is distributed, and does not need by other any auxiliary energy.The outside face of the inside face of the polygonal cross-section of sleeve body centre hole and the polygonal cross-section of brake disc attaching parts is connected, and like this, integral structure is more stable, and performance is more excellent.In addition, described installation shaft of the present utility model puts and is provided with louvre, can play good thermolysis, and the leakage that hub oil causes because crossing het expansion can be prevented further, make brake hub period of service more permanent, wear and tear less, stuctures and properties is all more excellent.This kind of bicycle disk brake structure is simple, and easily produces.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the utility model is further described:
the schematic top plan view of Fig. 1 to be accompanying drawing 1 be brake disc according to plate disc brake of the present utility model;
fig. 2 is the schematic perspective view of the brake disc according to plate disc brake of the present utility model;
fig. 3 is the front elevational schematic of the installation axle sleeve according to plate disc brake of the present utility model;
fig. 4 is the hub shell front elevational schematic according to plate disc brake of the present utility model;
fig. 5 is the elevational schematic view of the locking piece according to plate disc brake of the present utility model;
fig. 6 is the scheme of installation according to the utility model plate disc brake;
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; 32, heat abstractor; 311, negative thread; 321, radiating gill; 4, axle sleeve is installed; 41, sleeve body; 411, centre hole; 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 utility model is described in further details.Should be understood that these embodiments are for illustration of groundwork of the present utility model, principal character and advantage, and the utility model 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, comprises according to plate disc brake of the present utility model: 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.Tubular body 31 is provided with a heat abstractor 32 near one end of the first hub shell end 21, heat abstractor comprises multiple radiating gill 321, radiating gill 321 is arranged along the circumferencial direction of tubular body 31, and radiating gill 321 protrudes to away from tubular body 31 direction, when hub shell 2 assembly rotates, the radiating gill 321 of heat abstractor 32 rotates, and makes surrounding air form whirlpool, to play thermolysis.The cross section of installing the inside face of the centre hole 411 of the sleeve body 41 of axle sleeve 4, also in polygon, makes this inside face can match 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, and 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 utility model 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 the purpose of this utility model.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, illustrate according to installation axle sleeve 4 of the present utility model, 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.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.
consult Fig. 4 to Fig. 6 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 utility model, the connection mode of hub axle and hub shell 2 can adopt conventional connection mode of the prior art, not as emphasis of the present utility model, 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 dodecagon, 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 sleeve body 41 be provided with on the end face towards brake disc attaching parts 3 can be in mating connection with depressed area 322 axially extended lug boss 412, and the cross section outer rim of the inside face of sleeve body 41 is also in dodecagon, make this inside face can be in mating connection with the outside face of tubular body 31.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 can make formation be distributed rapidly by heat, in addition, in drg rotationally process, heat abstractor 32 also rotates thereupon, the radiating gill 321 of such heat abstractor 32 can drive ambient air to flow, form air swirl, strengthen air flowing, make radiating effect more obvious, make brake hub longer service life, performance is more excellent.
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 drum 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. 6.
consult Fig. 6, this two width figure is the scheme of installation according to plate type brake hub of the present utility model.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.Simultaneously, on sleeve body 41, louvre 413 plays the effect of heat radiation, heat abstractor (32) is equivalent to a blower fan in rotation process, ambient air is made to produce whirlpool, radiating gill (321) gear-like can be arranged to as shown in the figure of heat abstractor (32) also can make the shape of fan blade common in prior art, heat abstractor (32) is ingenious utilizes the rotation of bicycle in the process of advancing, and the heat of generation is distributed, and does not need by other any auxiliary energy.
the structure of hub axle is not illustrated in the utility model, 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 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 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 utility model, those skilled in the art easily can understand according to prior art.
above the utility model is described in detail; the explanation of embodiment just understands method of the present utility model and core concept thereof for helping; its object is to allow the personage being familiar with this art can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (8)
1. a hub shell component for bicycle disk brake, described hub shell component comprises:
Hub shell (2), it comprises the first relative hub shell end (21) and the second hub shell end (22);
Brake disc attaching parts (3), it is arranged on the end face of described first hub shell end (21) away from the second hub shell end, and described brake disc attaching parts (3) has tubular body (31), and the inside face of described tubular body (31) has negative thread (311);
It is characterized in that: described tubular body (31) is provided with multiple radiating gill (321) near one end of the first hub shell end (21), described radiating gill (321) is arranged along the circumferencial direction of described tubular body (31), and described radiating gill (321) protrudes to the direction of the axial line away from tubular body (31), when described hub shell (2) assembly rotates, the radiating gill (321) of described heat abstractor (32) rotates, surrounding air is made to form whirlpool, to play thermolysis.
2. comprise a bicycle disk brake for hub shell component according to claim 1, it is characterized in that: described bicycle disk brake also comprises:
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, and described hub shell (2) is pivotally connected on described hub axle;
Axle sleeve (4) is installed, it can be connected with described brake disc (1), and described installation axle sleeve (4) has the sleeve body (41) that offers centre hole (411) and extended radially outward the dish connecting portion (42) formed by the periphery of described 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 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 polygon, the cross section outer rim on the surface of the centre hole (411) of the sleeve body (41) of described installation axle sleeve (4) is also in polygon, this inside face can be matched with the outside face of the tubular body (31) of described brake disc attaching parts (3), 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).
3. bicycle disk brake according to claim 2, is characterized in that: the outward flange of the flange (52) of described locking piece (5) is arranged at intervals with multiple depression (521).
4. bicycle disk brake according to claim 3, 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.
5. bicycle disk brake according to claim 4, is characterized in that: described sleeve body (41) offers the louvre (413) of along the circumferential direction arranging.
6. bicycle disk brake according to claim 5, 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.
7. bicycle disk brake according to claim 6, 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.
8. bicycle disk brake according to claim 7, 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 |
|---|---|---|---|
| CN201420547512.5U CN204056157U (en) | 2014-09-23 | 2014-09-23 | A kind of hub shell component of bicycle disk brake and bicycle disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547512.5U CN204056157U (en) | 2014-09-23 | 2014-09-23 | A kind of hub shell component of bicycle disk brake and bicycle disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204056157U true CN204056157U (en) | 2014-12-31 |
Family
ID=52197721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547512.5U Expired - Lifetime CN204056157U (en) | 2014-09-23 | 2014-09-23 | A kind of hub shell component of bicycle disk brake and bicycle disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204056157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260814A (en) * | 2014-09-23 | 2015-01-07 | 宏展五金塑胶制品（苏州）有限公司 | Bicycle disc brake hub shell component and bicycle disc brake |
| CN109695645A (en) * | 2017-10-24 | 2019-04-30 | 湖南捷行科技有限公司 | A kind of wheel hub brake assemblies |
-
2014
- 2014-09-23 CN CN201420547512.5U patent/CN204056157U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260814A (en) * | 2014-09-23 | 2015-01-07 | 宏展五金塑胶制品（苏州）有限公司 | Bicycle disc brake hub shell component and bicycle disc brake |
| CN109695645A (en) * | 2017-10-24 | 2019-04-30 | 湖南捷行科技有限公司 | A kind of wheel hub brake assemblies |
| CN109695645B (en) * | 2017-10-24 | 2024-03-05 | 广东洛梵狄智能科技有限公司 | Hub braking assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |