CN1880160B - Mounting and connection parts for roller type brake - Google Patents
Mounting and connection parts for roller type brake Download PDFInfo
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- CN1880160B CN1880160B CN2005100771823A CN200510077182A CN1880160B CN 1880160 B CN1880160 B CN 1880160B CN 2005100771823 A CN2005100771823 A CN 2005100771823A CN 200510077182 A CN200510077182 A CN 200510077182A CN 1880160 B CN1880160 B CN 1880160B
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- roller type
- type brake
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Abstract
The invention relates to a link components which can fix roller arrester in inner ring hub of the electromotor, wherein the roller arrester fixing link (30) can build in bicycle electromotor inner ring hub. Including flange part (32) which setting in side end part (24c) in the ring hub carapace style (24), and canister shape part (34) which form whole with flange part (32); canister shape part (34) comprises the first interface (34a) which build in inner circle face, while it got to the axletree which can let (24) freely running in ring hub axis (22), and the second interface (34c) which is built in outer circle face, while it has alternation accident part (34b) that formed in circle aspect, the (34b) got to roller drum (40) in roller trig device (28).
Description
Technical field
The present invention relates to a kind of being used for is installed on link on the wheel hub with roller type brake, in particular for roller type brake being installed on the roller type brake mounting and connection parts in the built-in wheel hub of electrical motor.
Background technology
In recent years, utilize motor power to assist the cyclist very fast to the universal and development of the electrically assisted bicycle that scrunches of stretcher.Especially domestic in China, electrical motor is built in the Electrical Bicycle of the rotation of auxiliary drive wheels in the wheel hub and by wheel driving motor the cyclist need not to pedal stretcher Electrical Bicycle popularize and development very remarkable.
But these Electrical Bicycles need be installed electrical motor and power supply, and in general the deadweight of bicycle is heavier.Simultaneously, because Electrical Bicycle is by direct motor drive or assistive drive, compares with ordinary bicycle and can run at high speed.Above-mentioned reason causes Electrical Bicycle, and inertia is bigger in the process of walking.But, on Electrical Bicycle, still using cantilevered drg or internal expanding drg in the past, there is the hypodynamic problem of braking in the drg that external contracting drum brake etc. use on ordinary bicycle.
In addition, in the open communique of Japanese Patent 2004-25941 number, the electric motor built-in wheel hub of a kind of lift-launch on Electrical Bicycle disclosed.In the above-mentioned example, the internal motor wheel hub has hub spindle and is used to protect the housing of wheel hub.Housing comprises: be fixed in fixation side housing and the hub shell (rotating cylinder) that covers hub spindle on the hub spindle.On the fixation side housing, be provided with the brake plate of internal expanding drg, and brake wheel is fixed on the outstanding cylindrical portion of the bearing support of hub shell.
Bicycle brake device as having big braking force has roller type brake.Roller type brake comprises: fixed mount, can be fixed on the vehicle frame of bicycle; Cylindric brake wheel is installed on the wheel hub of bicycle and with respect to wheel hub and can not rotates, and has brake surface at inner peripheral surface; A plurality of brake plates can not rotate with respect to fixed mount, have the contact surface that can contact with brake surface, the system operation is heaved in braking use; Welded part makes brake plate to the radially inner side crimping; A plurality of rollers, arranged spaced are in a circumferential direction; And brake operating portion, make brake plate be crimped on brake wheel.Brake operating portion comprises the cam mechanism of roller being pushed to radial outside by rotation.
When being installed on above-mentioned roller type brake on the wheel hub, at first brake wheel is installed on the wheel hub.Then, brake plate, welded part and the brake operating portion that is installed on the fixed mount is installed on the hub spindle, and the fixed mount that stops operating.Utilize nut that fixed mount is fixed in hub spindle at last.
Because roller type brake can utilize roller that brake plate is crimped on the brake wheel equably, thus with internal expanding drg and external contracting drum brake etc. only the general drg of the part of crimping brake wheel compare, can obtain stronger braking force.Therefore, compare, must improve the intensity that the installation portion of brake wheel is installed on the wheel hub with general drg.And roller type brake is compared its axial thickness with general drg thicker, so, need guarantee installing space.
When being installed on above-mentioned roller type brake on the built-in wheel hub of electrical motor, if do not add any change, not only transfer torque is insufficient, but also has the problem that comprises intensity and can't install.
Summary of the invention
The object of the present invention is to provide a kind of link that roller type brake can be installed on the built-in wheel hub of electrical motor.
Roller type brake mounting and connection parts according to first aspect present invention is the link that can be installed on the built-in wheel hub of the employed electrical motor of bicycle, comprise flange part on the hub shell side end that is used to be installed in wheel hub, and with the cylindrical portion of flange part formation one, wherein, cylindrical portion comprises: be arranged at inner peripheral surface, can with hub shell is rotated contacted first contact surface of bearing be bearing in freely on the hub spindle; And be arranged at outer circumference surface, have in a circumferential direction the jog that forms at interval and can with contacted second contact surface of the brake wheel of roller type brake.
When being installed on this link on the built-in wheel hub of electrical motor, flange part is installed on the side end of the hub shell of wheel hub.So, the brake wheel of roller type brake can be installed on second contact surface.And, can on first contact surface, bearing be installed.At this, constitute link and the bigger jog of transfer torque is set on second contact surface of cylindrical portion by flange part and cylindrical portion, so, having the roller type brake of forcing power even compare with general external contracting drum brake, also can be installed on simply on the built-in wheel hub of electrical motor.
According to the roller type brake mounting and connection parts of second aspect present invention, in the link of first aspect, flange part is installed on the side end removably.At this moment, because dismantled and assembled link, so the maintenance of built-in wheel hub and roller type brake is simple.
According to the roller type brake mounting and connection parts of third aspect present invention, in the link of second aspect, flange part is installed on the medial surface of side end.In this case, the mounting portion of link is hidden in the inboard of wheel hub, so, even the profile that link also can not change wheel hub is set, roller type brake can be installed simply.
According to the roller type brake mounting and connection parts of fourth aspect present invention, in the link of second aspect, at least a portion of first contact surface is configured in the inboard of the lateral surface of hub shell side end.In this case, at least a portion of bearing is configured in the inboard of lateral surface, so be easy to bear the power that the footpath that acts on bearing makes progress.
According to the roller type brake mounting and connection parts of fifth aspect present invention, in the link of the third aspect, at least a portion of first contact surface is configured in the inboard of the lateral surface of hub shell side end.In this case, because at least a portion of bearing is configured in the inboard of hub shell lateral surface, thus be easy to bear the power that the footpath that acts on bearing makes progress, and the space that can guarantee to be used to install roller type brake.
According to the roller type brake mounting and connection parts of sixth aspect present invention, in the arbitrary link aspect first to the 5th, the part that has at least of second contact surface is configured in the outside of first contact surface.In this case, roller type brake is configured in the outside of bearing aerofoil, thus can simply roller type brake be installed on second contact surface, and can guarantee that contact surface is bigger.
According to the roller type brake mounting and connection parts of seventh aspect present invention, in the arbitrary link aspect first to the 5th, flange part can be fixed on the hub shell by the screw component that inserts from the outside of hub shell.In this case, can be from outside mounting screw parts, so can utilize screw component stationary hub housing simply.
According to the present invention, constitute link and the bigger jog of transfer torque is set by flange part and cylindrical portion at second contact surface of cylindrical portion, so, have the roller type brake of forcing power even compare, also can be installed on simply on the built-in wheel hub of electrical motor with general external contracting drum brake.
Description of drawings
Fig. 1 is the lateral plan that adopts the bicycle of one embodiment of the invention;
Fig. 2 is the fragmentary sectional elevation view of the built-in wheel hub of electrical motor;
Fig. 3 is near the cross section enlarged drawing of roller type brake mounting and connection parts of the built-in wheel hub of electrical motor;
Fig. 4 is the front elevation of roller type brake equipment;
Fig. 5 is an expression roller type brake equipment in-to-in cutaway view; And
Fig. 6 is the figure that is equivalent to Fig. 3 of other embodiment.
The specific embodiment
As shown in Figure 1, the bicycle 10 that one embodiment of the invention is installed comprises: contain the vehicle frame 12 of front fork 12a, the front-wheel 14 that is disposed at vehicle frame 12 front and back and trailing wheel 16, be used for driving with manpower the manpower drive division 18 of trailing wheel 16.Manpower drive division 18 has preceding sprocket wheel, back sprocket wheel, chain, crank etc.The central part of trailing wheel 16 is equipped with the built-in wheel hub 20 of electrical motor that is used for driving with the electrical motor rotation trailing wheel 16.
As shown in Figure 2, the built-in wheel hub 20 of electrical motor comprises: hub spindle 22 can be installed on the rearward end of the vehicle frame 12 of bicycle 10; Hub shell 24 is disposed at the outer circumferential sides of hub spindle 22, and its excircle has hub flange 24a, and inside has receiving space 24b; And electrical motor 26, be contained in the receiving space 24b, make hub shell 24 with respect to hub spindle 22 rotations.Electrical motor 26 is that axle is fixing, makes hub shell 24 rotations of case side.Roller type brake mounting and connection parts 30 according to an embodiment of the invention is installed on the side end 24c of hub shell 24, and it can install the employed roller type brake equipment 28 of trailing wheel.
As shown in Figure 3, but roller type brake mounting and connection parts 30 is brake wheels 40 with roller type brake equipment 28 is mounted to the parts of one rotation.Link 30 is flanged cylinder-like part, comprises flange part 32 on the medial surface 24d of the side end 24c that is installed on hub shell 24, and and the integrally formed cylindrical portion 34 of flange part 32.Flange part 32 is formed with a plurality of screw hole 32a abreast with hub spindle 22, and these screw holes 32a arranged spaced is on circumferencial direction.Thereby flange part 32 is fixed in the screw hole 32a on the medial surface 24d by a plurality of pan head screw parts 36 are screwed into, and these screw components 36 are to insert from the lateral surface 24e of the side end 24c of hub shell 24.
Cylindrical portion 34 comprises: the first contact surface 34a, be arranged at inner peripheral surface, and contact with bearing 38, this bearing 38 is bearing in hub shell 24 rotations on the hub spindle 22 freely; And the second contact surface 34c, be arranged at outer circumference surface, have the jog 34b that forms at interval in a circumferential direction, contact with the brake wheel 40 of roller type brake equipment 28.And cylindrical portion 34 also comprises contacted the 3rd contact surface 34d of inner peripheral surface 24f with the side end 24c of hub shell 24.
The first contact surface 34a with on hub spindle 22, be equipped with in the foreign steamer 38b of bearing 38 of wheel 38a contact.At least a portion of the first contact surface 34a is configured in the inboard of lateral surface 24e of the side end 24c of hub shell 24.Thus, be easy to bear the power that the footpath that acts on bearing 38 makes progress.
The second contact surface 34c is disposed on the outer circumference surface of outboard end of cylindrical portion 34, be configured in the outside of the first contact surface 34a and diametrically a part overlap with the first contact surface 34a.The jog 34b of the second contact surface 34c is so-called serration or spline, it is formed with at interval for example protuberance of the width about 1～3mm in a circumferential direction, for the inner peripheral surface engagement of brake wheel 40 after make brake wheel 40 with the rotation of hub spindle 22 one and be provided with.
The 3rd contact surface 34d is formed on the outer peripheral face of the cylindrical portion 34 adjacent with flange part 32, and its diameter is bigger than the second contact surface 34c.The 3rd contact surface 34d is for being configured to hub shell 24 and hub spindle 22 coaxial formation by link 30.By the 3rd contact surface 34d is installed on the inner peripheral surface 24f of side end 24c, thereby be configured to hub spindle 22 hub shell 24 coaxial.
To shown in Figure 5, roller type brake equipment 28 comprises as Fig. 3: brake wheel 40, be installed on the vehicle frame 12 and the fixed mount 42 that can not rotate, be crimped on the brake plate 44 that carries out brake operating on the brake wheel 40 and make brake plate 44 be crimped on the brake operating portion 46 of brake wheel 40.
As shown in Figure 3, brake wheel 40 comprises: the drum body 50 of ring-type, can rotate with hub shell 24 one, and inner peripheral surface has brake surface 50a; And cool off disk 52, be fixed in the outer circumferential sides of drum body 50.Its central portion of brake surface 50a is recessed to form along with to the narrow more isosceles trapezoid shape of radial outside width.And, the outstanding on the contrary outer circumference surface that is formed with the isosceles trapezoid shape of brake plate 44 its outer circumference surfaces.But the inner peripheral surface of drum body 50 is formed with the jog 50c on the jog 34b that one is sticked in the second contact surface 34c rotatably.The sunk part of brake surface 50a is formed with lubricating oil filling slot 50b.Cooling disk 52 is preferably aluminum alloy material, and it is provided with on drum body 50 and for cooling off drum body 50 for riveted and fixed.
Fixed mount 42 is installed on the hub spindle 22 and with respect to vehicle frame 12 and does not rotate.When fixed mount 42 stops the rotation of brake plate 44, be held in brake operating portion 46 rotatable.Fixed mount 42 is by being installed on the hub spindle 22 at the captive nut 80 that is screwed on the hub spindle 22.
Brake plate 44 is the parts that for example are divided into three ring-types, stops under the state that rotates at the frame 42 that is fixed and disposes.By retracing spring 54 brake plate 44 is pushed to the direction that deviates from brake surface 50a (radially inner side).Retracing spring 54 is for being bent into elastic wire the ring-spring parts that circle forms.
Behind hawser 70a (moving) in 72 stretchings of operation brake rod to Fig. 4 left, operation arm 60 is clockwise direction rotation in Fig. 4 around hub spindle 22, also rotate with the cam part 62 of operation arm 60 unitary rotation, roller 64 is moved to radial outside, and brake plate 44 is crimped on the brake surface 50a of brake wheel 40.After discharging brake rod 72, interior hawser 70a recovers former state, operation arm 60 anticlockwise motion in Fig. 4.The result is, removes pushing of roller 64, utilizes retracing spring 54, and brake plate 44 moves to the radially inner side that deviates from brake surface 50a.
When above-mentioned roller type brake mounting and connection parts 30 was installed, if when utilizing screw component 36 to be installed on the hub shell 24, the first contact surface 34a and the second contact surface 34c were disposed at inner peripheral surface and outer circumference surface respectively.By bearing 38 being installed on this first contact surface 34a, can keep hub shell 24 to rotate freely with respect to hub spindle 22.
And, when roller type brake equipment 28 is installed, make the jog 50c of drum body 50 engage the back installation with the jog 34b of the second contact surface 34c.Thus, but hub shell 24 and the rotation of brake wheel 40 one.And, by captive nut 80 is screwed into hub spindle 22, and roller type brake equipment 28 is installed on the hub spindle 22.And, be fixed on the vehicle frame 12 for stoping the front end that rotates fixed mount.Thus, finish the installation of roller type brake equipment 28.
At this, constitute link 30 by flange part 32 and cylindrical portion 34, and the second contact surface 34c in cylindrical portion 34 is provided with jog 34b, so, have the roller type brake equipment 28 of forcing power even compare, also can be installed on simply on the built-in wheel hub 20 of electrical motor with general external contracting drum brake.
And, because at least a portion of the first contact surface 34a is configured in the inboard of lateral surface 24e of the side end 24c of hub shell 24, so at least a portion of bearing 38 is configured in the inboard of hub shell 24 lateral surface 24e, thereby be easy to bear the power that the footpath that acts on bearing 38 makes progress.
Other embodiment
(a) in the above-described embodiments, with the roller type brake mounting and connection parts that is installed on the built-in wheel hub of the electrical motor that is located on the trailing wheel is that example is illustrated, but is installed on the also applicable the present invention of roller type brake mounting and connection parts on the built-in wheel hub of the electrical motor that is located on the front-wheel.
(b) in the above-described embodiments, link 30 is installed on the medial surface 24d of side end 24c of hub shell 24.But, as shown in Figure 6, also can utilize screw component 36 that roller type brake mounting and connection parts 130 is installed on the lateral surface 24e of side end 24c.Link 130 comprises flange part 132, reaches with flange part 132 is the cylindrical portion 134 of extending about the center.The inner peripheral surface of cylindrical portion 134 is formed with the first contact surface 134a, disposes the second contact surface 134c and the 3rd contact surface 134d at outer circumference surface across flange part 132.The shape of each several part is identical with previous embodiment.
And as shown in Figure 6, the brake wheel 140 of roller type brake equipment 128 does not cool off disk, and the brake surface 140a of brake wheel 140 constitutes with smooth periphery.Therefore, the outer circumference surface of brake plate also is smooth periphery.Other formations are same as the previously described embodiments.
Symbol description
20. the built-in wheel hub of motor
24 hub shells
The 24c side end
The 24d medial surface
The 24e lateral surface
30 roller type brake mounting and connection parts
32 flange parts
34 cylindrical portion
34a first contact surface
The 34b jog
34c second contact surface
36 screw components
Claims (7)
1. a roller type brake mounting and connection parts can be installed on the built-in wheel hub of bicycle use electrical motor, it is characterized in that, comprising:
Flange part is installed on the side end of the hub shell of described wheel hub; And
Cylindrical portion forms integral body with described flange part, and wherein, described cylindrical portion comprises:
First contact surface is arranged at inner peripheral surface, contacts with the bearing that described hub shell rotation is remained on the described hub spindle freely; And
Second contact surface is arranged at outer circumference surface, has the jog that forms at interval in a circumferential direction, contacts with the brake wheel of described roller type brake equipment.
2. roller type brake mounting and connection parts according to claim 1 is characterized in that: described flange part is installed on the side end of described hub shell removably by screw.
3. roller type brake mounting and connection parts according to claim 2 is characterized in that: described flange part is installed on the medial surface of the side end of described hub shell.
4. roller type brake mounting and connection parts according to claim 2 is characterized in that: at least a portion of described first contact surface is configured in the inboard of the side end lateral surface of described hub shell.
5. roller type brake mounting and connection parts according to claim 3 is characterized in that: at least a portion of described first contact surface is configured in the inboard of lateral surface of the side end of described hub shell.
6. according to each described roller type brake mounting and connection parts in the claim 1 to 5, it is characterized in that: at least a portion of described second contact surface is configured in the outside of described first contact surface.
7. according to each described roller type brake mounting and connection parts in the claim 1 to 5, it is characterized in that: described flange part can be fixed on the described hub shell by the screw component that inserts from the outside of described hub shell.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100771823A CN1880160B (en) | 2005-06-17 | 2005-06-17 | Mounting and connection parts for roller type brake |
| TW095116418A TW200706443A (en) | 2005-06-17 | 2006-05-09 | Roller brake mounting adapter |
| EP20060012176 EP1733957B1 (en) | 2005-06-17 | 2006-06-13 | Roller brake mounting adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100771823A CN1880160B (en) | 2005-06-17 | 2005-06-17 | Mounting and connection parts for roller type brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880160A CN1880160A (en) | 2006-12-20 |
| CN1880160B true CN1880160B (en) | 2010-04-28 |
Family
ID=37518571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100771823A Active CN1880160B (en) | 2005-06-17 | 2005-06-17 | Mounting and connection parts for roller type brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1880160B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773752B (en) * | 2018-09-03 | 2024-01-26 | 山东诺泰机电设备有限公司 | Quick-release hub, roller and roller cage shoe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721177A (en) * | 1985-04-01 | 1988-01-26 | Wang Qizhen | Device for direct driving of wheels |
| EP0706909A2 (en) * | 1994-10-12 | 1996-04-17 | SELIN SISTEMI S.r.l. | Electric propulsion device, particularly in one, two or more driving wheels vehicles and vehicle with such propulsor device |
| CN1290627A (en) * | 1999-10-04 | 2001-04-11 | 本田技研工业株式会社 | Brake pincers mounting structure for motor two-wheel vehicle |
| CN1312179A (en) * | 2000-01-31 | 2001-09-12 | 株式会社岛野 | Bicycle hub |
-
2005
- 2005-06-17 CN CN2005100771823A patent/CN1880160B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721177A (en) * | 1985-04-01 | 1988-01-26 | Wang Qizhen | Device for direct driving of wheels |
| EP0706909A2 (en) * | 1994-10-12 | 1996-04-17 | SELIN SISTEMI S.r.l. | Electric propulsion device, particularly in one, two or more driving wheels vehicles and vehicle with such propulsor device |
| CN1290627A (en) * | 1999-10-04 | 2001-04-11 | 本田技研工业株式会社 | Brake pincers mounting structure for motor two-wheel vehicle |
| CN1312179A (en) * | 2000-01-31 | 2001-09-12 | 株式会社岛野 | Bicycle hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1880160A (en) | 2006-12-20 |
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