CN103770569A - Dual-drive and double-brake free hub - Google Patents
Dual-drive and double-brake free hub Download PDFInfo
- Publication number
- CN103770569A CN103770569A CN201410049678.9A CN201410049678A CN103770569A CN 103770569 A CN103770569 A CN 103770569A CN 201410049678 A CN201410049678 A CN 201410049678A CN 103770569 A CN103770569 A CN 103770569A
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- brake
- clutch cover
- drive
- drum
- middle pipe
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Abstract
The invention relates to a dual-drive and double-brake free hub which comprises a middle pipe, a driving tooth disk, a central spindle, a flywheel, a first positioning component and a second positioning component, wherein the driving tooth disk, the middle pipe and the flywheel are sequentially arranged outside the central spindle in a sleeving manner, the first positioning component and the second positioning component are respectively connected to the two ends of the central spindle, a screw-drive part, a clutch sleeve, a brake block component and a spring are also arranged outside the central spindle, one end of the screw-drive part is in stationary fit with the driving tooth disk, the other end of the screw-drive part is in threaded connection with the clutch sleeve, the clutch sleeve and the brake block component are both positioned inside the middle pipe while the brake block component is positioned between the middle pipe and the clutch sleeve, and the spring is arranged between the flywheel and the clutch sleeve; a necking position is arranged on the inner side of the middle pipe, the clutch sleeve is provided with a first conical surface and a second conical surface at the positions corresponding to the necking position and the brake block component respectively, the brake block component comprises at least two pairs of brake blocks, and all the brake blocks are distributed on the circumference of the central spindle. The dual-drive and double-brake free hub has a simple and reasonable structure, can achieve forward rotation and rearward rotation, and is safe and reliable.
Description
Technical field
The present invention relates to flower-drum technical field, particularly a kind of two Double-brake type flower-drum that drive for manual tricycle or four-wheeled.
Background technology
The existing flower-drum for manual tricycle or four-wheeled (can with reference to China Patent No. CN201030266486.6 in disclosed four-wheeled outward appearance on February 2nd, 2011) generally can only be controlled wheel forward direction and rotate, drive three-wheel vehicle or four-wheeled to move ahead, and can not control three-wheel vehicle or four-wheeled retreats; In the time that needs three-wheel vehicle or four-wheeled retreat, the promotion of can only getting off, for user makes troubles.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of simple and reasonable for structure, can realize forward direction to rotate and backward rotation safe and reliable two Double-brake type flower-drum that drive.
The object of the present invention is achieved like this:
A kind of two Double-brake type flower-drum that drives, comprise middle pipe, drive fluted disc, axle core, flywheel, the first align member and the second align member, drive fluted disc, middle pipe, flywheel is set in outside axle core successively, the first align member and the second align member are connected to axle core two ends, it is characterized in that, also comprise the screw drives part being arranged on outside axle core, clutch cover, brake facing assembly and spring, screw drives part one end and driving fluted disc close fit, the screw drives part other end is threaded with clutch cover, clutch cover and brake facing assembly are all arranged in pipe, brake facing assembly between middle pipe and clutch cover, spring is arranged between flywheel and clutch cover, middle pipe inner side is provided with necking down position, and clutch cover respectively corresponding necking down position and brake facing assembly is provided with first conical surface and second conical surface, and brake facing assembly is at least made up of two auxiliary brake sheets, and each brake facing is around axle core circle distribution.
Object of the present invention can also adopt following technical measures to solve:
As a kind of scheme more specifically, described screw drives part is provided with screw rod towards one end of clutch cover, and in clutch cover, corresponding screw rod is provided with center screw, and the screw rod of screw drives part is threaded with the screw of clutch cover.
Described clutch cover is provided with pilot sleeve towards one end of brake facing assembly, and pilot sleeve extends brake facing assembly inner side, and brake facing assembly is provided with the guiding conical surface towards the inner side, one end of clutch cover.
Describedly two drive Double-brake type flower-drum and also comprise steering block, steering block one end is connected with flywheel, and the other end is provided with draw-in groove and extends inside brake facing assembly.
In described clutch cover, be provided with washer, both ends of the spring contacts with washer and steering block respectively.
Between described steering block and middle pipe and between screw drives part and middle pipe, be equipped with pearl nest, pearl nest periphery is provided with dust ring.
Described screw drives part is provided with at least one positioning groove towards one end peripheral, axial that drives fluted disc, inside driving fluted disc, corresponding positioning groove is provided with positioning convex, positioning groove is pegged graft and is coordinated with positioning convex, screw drives part is also respectively equipped with annular protrusion and annular groove in corresponding positioning convex two ends, is provided with jump ring in annular groove.
Described brake facing is curved, and first conical surface and second conical surface of brake facing outside face, clutch cover are equipped with anti-skidding tartar.Certainly, the necking down position of middle pipe also can be provided with anti-skidding tartar by corresponding first conical surface, and brake facing also can be provided with anti-skidding tartar by corresponding second conical surface, contacts by anti-skidding tartar, can part and part between contact closelyr, transmission is more reliable.
Described the first align member and the second align member include axle bumper, honeysuckle nut, flange nut and many steel balls; Wherein, many steel balls, axle bumper, honeysuckle nut and the flange nut of the first detent mechanism are successively set on screw drives part outer end, many steel balls, axle bumper, honeysuckle nut and the flange nut of the second detent mechanism are successively set on steering block outer end, and axle bumper, honeysuckle nut and the flange nut of the first align member and the second align member is connected with axle core end thread respectively.
Described middle pipe periphery is provided with transmission gear; Flywheel surface is fixedly connected with brake fixed plate, and brake fixed plate periphery is provided with actuating arm.
Beneficial effect of the present invention is as follows:
(1) this kind of pair drives Double-brake type flower-drum and drives clutch cover to move along axle core direction of both ends by the rotating of screw drives part, when clutch cover moves to a direction with middle pipe close contact, formation drive connection, middle pipe can forward; When clutch cover moves to other direction, by stretching brake facing, make brake facing and middle pipe close contact, form drive connection, middle Guan Kehou turns;
(2) between clutch cover and flywheel, be provided with spring, make clutch cover form self-locking, thereby while realizing the rotation of screw drives part, clutch cover moves to axle core two ends;
(3) in the time driving fluted disc to be failure to actuate, clutch cover or brake facing do not have and middle pipe close contact, can not transmission, middle pipe and transmission gear can dally under external force or under effect of inertia, that is to say, in the time that this flower-drum and three-wheel vehicle or four-wheeled are used in conjunction with, when three-wheel vehicle or four-wheeled are tried hard to recommend outside moving lower or force of inertia and slipped car state, can not rotate with the foot-operated assembly that drives fluted disc transmission, use safety and reliability.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is local part structure for amplifying schematic diagram in Fig. 1.
Fig. 3 is that Fig. 1 assembles rear structural representation.
Fig. 4 is the present invention's one axial centre cross-sectional view.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figures 1 to 4, a kind of two Double-brake type flower-drum that drives, comprise middle pipe 1, drive fluted disc 5, axle core 12, flywheel 18, the first align member and the second align member, drive fluted disc 5, middle pipe 1, flywheel 18 is set in outside axle core 12 successively, the first align member and the second align member are connected to axle core 12 two ends, it is characterized in that, also comprise the screw drives part 3 being arranged on outside axle core 12, clutch cover 13, brake facing assembly and spring 15, screw drives part 3 one end and driving fluted disc 5 close fits, screw drives part 3 other ends are threaded with clutch cover 13, clutch cover 13 and brake facing assembly are all arranged in pipe 1, brake facing assembly between middle pipe 1 and clutch cover 13, spring 15 is arranged between flywheel 18 and clutch cover 13, middle pipe 1 inner side is provided with necking down position 21, and clutch cover 13 respectively corresponding necking down position 21 and brake facing assembly is provided with first conical surface 131 and second conical surface 132, and brake facing assembly is at least made up of two auxiliary brake sheets 16, and each brake facing 16 is around axle core 12 circle distribution.
Described screw drives part 3 is provided with screw rod 31 towards one end of clutch cover 13, and the interior corresponding screw rod 31 of clutch cover 13 is provided with center screw, and the screw rod 31 of screw drives part 3 is threaded with the screw of clutch cover 13.
Described clutch cover 13 is provided with pilot sleeve 133 towards one end of brake facing 16 assemblies, and pilot sleeve 133 extends brake facing assembly inner side, and brake facing assembly is provided with the guiding conical surface 161 towards the inner side, one end of clutch cover 13.
Describedly two drive Double-brake type flower-drum and also comprise steering block 17, steering block 17 one end are connected with flywheel 18, and the other end is provided with draw-in groove 171 and extends inside brake facing assembly.
In described clutch cover 13, be provided with washer 14, spring 15 two ends contact with washer 14 and steering block 17 respectively.
Between described steering block 17 and middle pipe 1 and between screw drives part 3 and middle pipe 1, be equipped with pearl nest 7, pearl nest 7 peripheries are provided with dust ring 4.
Described screw drives part 3 is provided with at least one positioning groove 33 towards one end peripheral, axial that drives fluted disc 5, drive the corresponding positioning groove 33 in fluted disc 5 inner sides to be provided with positioning convex 51, positioning groove 33 is pegged graft and is coordinated with positioning convex 51, screw drives part 3 is also respectively equipped with annular protrusion 34 and annular groove 32 in corresponding positioning convex 51 two ends, is provided with jump ring 6 in annular groove 32.
Described brake facing 16 is curved, and first conical surface 131 and second conical surface 132 of brake facing 16 outside faces, clutch cover 13 are equipped with anti-skidding tartar.
Described the first align member and the second align member include axle bumper 8, honeysuckle nut 11, flange nut 9 and many steel balls 10; Wherein, many steel balls 10, axle bumper 8, honeysuckle nut 11 and the flange nut 9 of the first detent mechanism are successively set on screw drives part 3 outer ends, many steel balls 10, axle bumper 8, honeysuckle nut 11 and the flange nut 9 of the second detent mechanism are successively set on steering block 17 outer ends, and axle bumper 8, honeysuckle nut 11 and the flange nut 9 of the first align member and the second align member is connected with axle core 12 end thread respectively.
Described middle pipe 1 periphery is provided with transmission gear 2; Flywheel 18 surfaces are fixedly connected with brake fixed plate 19, and brake fixed plate 19 peripheries are provided with actuating arm 191.
Its principle of work is: be arranged on four-wheeled (not shown) as example take flower-drum, flower-drum axle core 12 is fixedly connected with vehicle frame, vehicle frame is provided with former movable sprocket, both sides, former movable sprocket center are provided with foot-operated assembly, former movable sprocket is in transmission connection with driving fluted disc 5 by chain, and the transmission gear 2 of managing 1 periphery in flower-drum is connected with the rear wheel drive of four-wheeled by another chain.In the time that needs four-wheeled advances, in needing to control, managing 1 rotates forward, rotate forward by controlling foot-operated assembly, can drive and drive fluted disc 5 to rotate forward, screw drives part 3 is driving forward under fluted disc 5 drivings, the screw rod 31 of screw drives part 3 screws in clutch cover 13, first conical surface 131 of clutch cover 13, to the 1 necking down position 21 directions tensions of middle pipe, forms self-locking, and screw drives part 3 rotates together with clipping middle pipe 1 with clutch cover 13, thereby drive trailing wheel forward, four-wheeled advances.
In the time that needs four-wheeled retreats, in needing to control, manage 1 rotates backward, rotate backward by controlling foot-operated assembly, can drive and drive fluted disc 5 to rotate backward, screw drives part 3 turns after driving under fluted disc 5 drivings, clutch cover 13 screws out toward the outer extreme direction of screw rod 31 of screw drives part 3, second conical surface 132 of clutch cover 13 inserts to brake facing assembly, and each brake facing 16 of brake facing assembly is radially strutted, until brake facing 16 outside faces and middle pipe 1 inwall close contact, brake facing 16 is fixed by friction with middle pipe 1, in addition, owing to turning and dallying after flywheel 18, so, middle pipe 1 can with brake facing 16, clutch cover 13 turns after together with screw drives part 3, thereby turn after drive trailing wheel, four-wheeled retreats.
In the time needing to brake in four-wheeled driving process, by braking, fixed plate 19 is controlled flywheel 18 and steering block 17 rotates, the draw-in groove 171 of steering block 17 keeps off mutually with brake facing 16 and makes brake facing 16 surfaces and middle pipe 1 inwall stretching, causes middle pipe 1 and transmission gear 2 to stop operating, and realizes brake.When external force promote four-wheeled move ahead and retreat or four-wheeled in the time slipping car state, drive fluted disc 5 be failure to actuate, only have middle pipe 1 and transmission gear 2 to rotate.
Claims (10)
1. two Double-brake type flower-drum that drives, comprise middle pipe (1), drive fluted disc (5), axle core (12), flywheel (18), the first align member and the second align member, drive fluted disc (5), middle pipe (1), flywheel (18) is set in outside axle core (12) successively, the first align member and the second align member are connected to axle core (12) two ends, it is characterized in that, also comprise and be arranged on the outer screw drives part (3) of axle core (12), clutch cover (13), brake facing assembly and spring (15), screw drives part (3) one end and driving fluted disc (5) close fit, screw drives part (3) other end is threaded with clutch cover (13), clutch cover (13) and brake facing assembly are all arranged in pipe (1), brake facing assembly and be arranged in pipe (1) and clutch cover (13) between, spring (15) is arranged between flywheel (18) and clutch cover (13), middle pipe (1) inner side is provided with necking down position (21), clutch cover (13) difference corresponding necking down position (21) and brake facing assembly are provided with first conical surface (131) and second conical surface (132), brake facing assembly is at least made up of two auxiliary brake sheets (16), and each brake facing (16) is around axle core (12) circle distribution.
2. two Double-brake type flower-drum that drive according to claim 1, it is characterized in that, described screw drives part (3) is provided with screw rod (31) towards one end of clutch cover (13), in clutch cover (13), corresponding screw rod (31) is provided with center screw, and the screw rod (31) of screw drives part (3) is threaded with the screw of clutch cover (13).
3. two Double-brake type flower-drum that drive according to claim 1, it is characterized in that, described clutch cover (13) is provided with pilot sleeve (133) towards one end of brake facing (16) assembly, pilot sleeve (133) extends brake facing assembly inner side, and brake facing assembly is provided with the guiding conical surface (161) towards the inner side, one end of clutch cover (13).
4. twoly according to claim 1 drive Double-brake type flower-drum, it is characterized in that, also comprise steering block (17), steering block (17) one end is connected with flywheel (18), and the other end is provided with draw-in groove (171) and extends inside brake facing assembly.
5. twoly according to claim 4 drive Double-brake type flower-drum, it is characterized in that, in described clutch cover (13), be provided with washer (14), spring (15) two ends contact with washer (14) and steering block (17) respectively.
6. drive Double-brake type flower-drum according to two described in claim 4 or 5, it is characterized in that, between described steering block (17) and middle pipe (1) and between screw drives part (3) and middle pipe (1), be equipped with pearl nest (7), pearl nest (7) periphery is provided with dust ring (4).
7. two Double-brake type flower-drum that drive according to claim 1, it is characterized in that, described screw drives part (3) is provided with at least one positioning groove (33) towards one end peripheral, axial that drives fluted disc (5), drive fluted disc (5) the corresponding positioning groove in inner side (33) to be provided with positioning convex (51), positioning groove (33) is pegged graft and is coordinated with positioning convex (51), screw drives part (3) also corresponding positioning convex (51) two ends is respectively equipped with annular protrusion (34) and annular groove (32), is provided with jump ring (6) in annular groove (32).
8. twoly according to claim 1 drive Double-brake type flower-drum, it is characterized in that, described brake facing (16) is curved, and first conical surface (131) and second conical surface (132) of brake facing (16) outside face, clutch cover (13) are equipped with anti-skidding tartar.
9. twoly according to claim 1 drive Double-brake type flower-drum, it is characterized in that, described the first align member and the second align member include axle bumper (8), honeysuckle nut (11), flange nut (9) and many steel balls (10); Wherein, many steel balls (10), axle bumper (8), honeysuckle nut (11) and the flange nut (9) of the first detent mechanism are successively set on screw drives part (3) outer end, many steel balls (10), axle bumper (8), honeysuckle nut (11) and the flange nut (9) of the second detent mechanism are successively set on steering block (17) outer end, and axle bumper (8), honeysuckle nut (11) and the flange nut (9) of the first align member and the second align member is connected with axle core (12) end thread respectively.
10. twoly according to claim 1 drive Double-brake type flower-drum, it is characterized in that, described middle pipe (1) periphery is provided with transmission gear (2); Flywheel (18) surface is fixedly connected with brake fixed plate (19), and brake fixed plate (19) periphery is provided with actuating arm (191).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049678.9A CN103770569B (en) | 2014-02-13 | 2014-02-13 | Twoly drive Double-brake type flower-drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049678.9A CN103770569B (en) | 2014-02-13 | 2014-02-13 | Twoly drive Double-brake type flower-drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103770569A true CN103770569A (en) | 2014-05-07 |
| CN103770569B CN103770569B (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410049678.9A Expired - Fee Related CN103770569B (en) | 2014-02-13 | 2014-02-13 | Twoly drive Double-brake type flower-drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103770569B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032595U (en) * | 1987-11-23 | 1989-02-15 | 姚本燕 | Double driven bicycle |
| CN2721443Y (en) * | 2004-08-25 | 2005-08-31 | 乔绅股份有限公司 | Clutch on hub of bicycle |
| CN1872617A (en) * | 2005-06-02 | 2006-12-06 | 陈华 | Floriated drum built inside vehicle brake |
| CN201573490U (en) * | 2009-12-02 | 2010-09-08 | 合胜贸易股份有限公司 | Drive structure of bicycle rear hub |
| CN202294067U (en) * | 2011-11-04 | 2012-07-04 | 宁波威玛斯车业有限公司 | Bicycle flower hub structure with brake |
| CN103303061A (en) * | 2013-05-06 | 2013-09-18 | 胡伟 | Bicycle expansion brake hub assembly |
| CN203697855U (en) * | 2014-02-13 | 2014-07-09 | 佛山市顺德区敏泰五金制品有限公司 | Double-driving double-braking type hub |
-
2014
- 2014-02-13 CN CN201410049678.9A patent/CN103770569B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032595U (en) * | 1987-11-23 | 1989-02-15 | 姚本燕 | Double driven bicycle |
| CN2721443Y (en) * | 2004-08-25 | 2005-08-31 | 乔绅股份有限公司 | Clutch on hub of bicycle |
| CN1872617A (en) * | 2005-06-02 | 2006-12-06 | 陈华 | Floriated drum built inside vehicle brake |
| CN201573490U (en) * | 2009-12-02 | 2010-09-08 | 合胜贸易股份有限公司 | Drive structure of bicycle rear hub |
| CN202294067U (en) * | 2011-11-04 | 2012-07-04 | 宁波威玛斯车业有限公司 | Bicycle flower hub structure with brake |
| CN103303061A (en) * | 2013-05-06 | 2013-09-18 | 胡伟 | Bicycle expansion brake hub assembly |
| CN203697855U (en) * | 2014-02-13 | 2014-07-09 | 佛山市顺德区敏泰五金制品有限公司 | Double-driving double-braking type hub |
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| Publication number | Publication date |
|---|---|
| CN103770569B (en) | 2016-03-02 |
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Granted publication date: 20160302 Termination date: 20170213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |