CN2594144Y - Chainless transmission of bicycle - Google Patents
Chainless transmission of bicycle Download PDFInfo
- Publication number
- CN2594144Y CN2594144Y CN 02240478 CN02240478U CN2594144Y CN 2594144 Y CN2594144 Y CN 2594144Y CN 02240478 CN02240478 CN 02240478 CN 02240478 U CN02240478 U CN 02240478U CN 2594144 Y CN2594144 Y CN 2594144Y
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- bearing
- box body
- flange end
- conical gear
- supported
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Abstract
The utility model relates to a transmission mechanism of a chainless bicycle. The utility model is composed of a middle shaft part, a transmission shaft part and a back shaft part, wherein, a first stage middle shaft and a secondary stage middle shaft are supported in a middle shaft box body through bearings arranged in a bearing cover. A flat bearing is arranged on the secondary stage middle shaft for supporting shaft direction force. The bearing cover on the same side is fixed to the interior of a side wall hole of the middle shaft box body by two lock nuts. A transmission pipe is respectively connected with a front flange end cover and a back flange end cover through right and left threads. A transmission shaft is sealed in the transmission pipe. The front flange end cover and the back flange end cover are respectively connected with and fixed to the middle shaft box body and a back shaft cover through screws. A back shaft and the back shaft cover are connected and matched through holes and are supported in a faceplate hole by two deep groove ball bearings in the inner hole of a ratchet core and a bearing in a faceplate inner hole. A cone gear of the back shaft part is supported on the ratchet core by a steel ball and a sand barrier. The flat bearing is used for supporting shaft direction force. The utility model is characterized in that gear drive replaces chain drive. The utility model has the advantages of high drive efficiency, full closed drive, good lubrication, handy ride, long service life, simple appearance, goodly appearance and cleanness and has no clothing engagement.
Description
Technical field
The utility model relates to chain-less bicycle.
Background technology
Bicycle is as environmental protection traffic body-building walking-replacing tool, in China town and country vast market is arranged, traditional bicycle uses chain gear, and there is shortcomings such as easily taking off chain, need often lubricate, sting clothing, greasy dirt is arranged, driving efficiency is low, service life is short in the chain gear bicycle.
Summary of the invention
The purpose of this utility model provides the up-to-date transmission device of a kind of chain-less bicycle, replaces chain gear with gear transmission, the driving efficiency height, and lubricated good, it is brisk to ride, and does not sting clothing, long service life, outward appearance is simple and direct, and is attractive in appearance, cleaning.
The purpose of this utility model is achieved in that
A kind of up-to-date transmission device of chain-less bicycle, this bicycle have the axis of connecting crank and the rear axle of trailing wheel are housed, and it is characterized in that: there are three component parts in this mechanism;
Axis part I:
Cylindrical wheel is installed on the one-level axis, and in the journal box body, bearing cap shim was fixed in the axis wall box hole by back-up ring during this one-level axis was supported on by two side bearings; Conical gear, cylindrical wheel are contained on the secondary axis, and plane bearing is equipped with in secondary axis left side, and the secondary axis is supported in the middle journal box body by two side bearings; Bearing cap shim is fixed in the axis wall box hole by back-up ring, and bearing cap shim is fastened in the axis wall box hole by two locknuts;
Transmission shaft part II:
In the rear flange ending cover hole bearing is housed, it be contained in bearing in the axis box back hole with cardan-shaft suspension in transmission tube; Conical gear, conical gear are contained in the transmission shaft two ends respectively; Transmission tube is connected to a fixed with forward flange end cap, rear flange end cap respectively by left and right sides screw thread, and forward flange end cap, rear flange end cap are connected to a fixed with middle journal box body, rear axle cover respectively by screw;
Hind axle part III:
The ratchet core is fixing by being threaded with floral disc; Conical gear connects by ratchet, spring silk with the ratchet core, forms the mono-directional overrun clutch of realizing this mechanism's intermittent moment, and sediment barrier is by the steel ball supporting conical gear, and sediment barrier is regulated locking by two locknuts; Two deep groove ball bearings that are contained in the ratchet in-core hole are supported on rear axle in the floral disc hole with the bearing that is contained in the floral disc left end hole; The rear axle cover links with rear axle by the hole cooperation and is fixed by outer nut, and conical gear end in addition is supported on floral disc with plane bearing.
Described each conical gear is a spiral bevel gear.
The transmitting ratio of described mechanism is 1: 2.22.
The material of each assembly of described mechanism is a metal.
The utility model has following actively useful effect:
This transmission device adopts the spiral bevel gear transmission, stable drive, and noiselessness, tooth root intensity height, long service life, this mechanism driving shaft portion adopts the flange type of attachment, has to be connected firmly, gear accuracy of positioning height, service life of gear is long, advantages such as convenient disassembly; This mechanism is the enclosed transmission, and lubricated good, driving efficiency is higher than chain gear, and be three times of chain gear service life; Casing and rear axle cover are the streamline moulding, simple and direct, attractive in appearance, the cleaning of outward appearance.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the chain-less bicycle shape assumption diagram that the utility model transmission device is housed.
The specific embodiment
Please refer to Fig. 1, the utility model is the up-to-date transmission device of a kind of chain-less bicycle.There are axis part I, transmission shaft part II, hind axle part III in this mechanism;
Axis part I: mainly formed by parts such as gear 1, one-level axis 2, bearing cap shim 3, bearing 4, back-up ring 5, secondary axis 6, bearing cap shim 7, bearing 8, back-up ring 9, middle journal box body 11, conical gear 31, gear 32, plane bearing 33, bearing cap shim 34, locknuts 35; Gear 1 is packed on the one-level axis 2, during one-level axis 2 is supported on by two side bearings 4 in the journal box body 11, during bearing cap shim 3 is fixed on by back-up ring 5 in journal box body 11 areoles; Conical gear 31, gear 32 are packed on the secondary axis 6, and plane bearing 33 is equipped with in secondary axis 6 left sides, to overcome the axial force that the conical gear engagement is produced; Secondary axis 6 is supported in the middle journal box body 11 by two side bearings 8; In journal box body 11 areoles, bearing cap shim 34 was fastened in middle journal box body 11 areoles by two locknuts 35 during bearing cap shim 7 was fixed on by back-up ring 9;
Transmission shaft part II: mainly formed by parts such as conical gear 10, forward flange end cap 12, transmission shaft 13, transmission tube 14, screw 15, conical gear 17, bearing 28, rear flange end cap 29, bearings 30.Bearing 28 is packed in rear flange end cap 29 holes, and with pack in bearing 30 in the journal box body 11 back stomidiums transmission shaft 13 is supported in the transmission tube 14; Conical gear 10, conical gear 17 are respectively charged into transmission shaft 13 two ends; Transmission tube 14 is connected to a fixed with forward flange end cap 12, rear flange end cap 29 respectively by left and right sides screw thread, and forward flange end cap 12, rear flange end cap 29 are connected to a fixed with middle journal box body 11, rear axle cover 16 respectively by screw 15;
Hind axle part III: mainly form by parts such as rear axle cover 16, rear axle 18, deep groove ball bearing 19, locknut 20, sediment barrier 21, steel ball 22, conical gear 23, ratchet core 24, plane bearing 25, floral disc 26, bearings 27; Ratchet core 24 is fixing by being threaded with floral disc 26; Conical gear 23 connects by ratchet, spring silk with ratchet core 24, to reach the intermittent moment of this mechanism.Sediment barrier 21 play supporting role by 22 pairs of conical gears 23 of steel ball, and sediment barrier 21 is regulated locking by 2 locknuts 20; Two deep groove ball bearings 19 of packing in ratchet core 24 endoporus are supported on rear axle 18 in floral disc 26 holes with bearing 27 in the floral disc 26 left end holes of packing into; Rear axle cover 16 cooperates by the hole and rear axle 18 links and fixed a location and protection sealing process by outer nut; Plane bearing 25 overcomes the axial force that the conical gear engagement is produced.
Transmission process: in the past backward, see from right to left.
When one-level axis 2 clickwises, be meshed by gear 1, gear 32 and drive secondary axis 6 and rotate counterclockwise, be meshed by conical gear 31, conical gear 10 and drive transmission shaft 13 clickwises, be meshed by conical gear 17, conical gear 23 and drive conical gear 23 clickwises, conical gear 23 drives ratchet core 24 clickwises by ratchet, and ratchet core 24 drives floral disc 26 clickwises by being threaded.Otherwise, when one-level axis 2 left-hand revolutions, conical gear 23 left-hand revolutions in like manner, because ratchet, the effect of spring silk, ratchet core 24 is not driven, floral disc 26 is not driven.
When floral disc 26 clickwises, floral disc 26 drives ratchet core 24 clickwises by screw thread, and owing to ratchet, the effect of spring silk, conical gear 23 is not driven, and one-level axis 2 is also motionless.
Fig. 2 is for adopting the chain-less bicycle of the up-to-date transmission device of the utility model, and numbering has trailing wheel A1, spoke A2, Middle axle crank A3, vehicle frame A4 among the figure, please be simultaneously with reference to Fig. 1, and one-level axis 2 is connected with Middle axle crank A3.Middle journal box body 11 and vehicle frame A4 welding.Floral disc 26 connects trailing wheel A1 by spoke A2.Transmission process as previously mentioned, it promptly is that trailing wheel A1 moves ahead that Middle axle crank A3 scrunches forward, Middle axle crank A3 scrunches backward, trailing wheel A1 is motionless; When carrying out, i.e. floral disc 26 clickwises, Middle axle crank A3 is not driven.
Claims (4)
1. the transmission device of a chain-less bicycle, this bicycle has the axis (2) of connecting crank (A3) and the rear axle (18) of trailing wheel (A1) is housed, and it is characterized in that: there are three component parts in this mechanism;
Axis part I:
Cylindrical wheel (1) is installed on the one-level axis (2), and this one-level axis (2) is supported in the middle journal box body (11) by two side bearings (4), and bearing cap shim (3) is fixed in middle journal box body (11) areole by back-up ring (5); Conical gear (31), cylindrical wheel (32) are contained on the secondary axis (6), and plane bearing (33) is equipped with in secondary axis (6) left side, and secondary axis (6) is supported in the middle journal box body (11) by two side bearings (8); Bearing cap shim (7) is fixed in middle journal box body (11) areole by back-up ring (9), and bearing cap shim (34) is fastened in middle journal box body (11) areole by two locknuts (35);
Transmission shaft part II:
Rear flange end cap (29) is equipped with bearing (28) in the hole, and it is supported on transmission shaft (13) in the transmission tube (14) with the bearing (30) that is contained in the stomidium of middle journal box body (11) back; Conical gear (10), conical gear (17) are contained in transmission shaft (13) two ends respectively; Transmission tube (14) is connected to a fixed with forward flange end cap (12), rear flange end cap (29) respectively by left and right sides screw thread, and forward flange end cap (12), rear flange end cap (29) are connected to a fixed with middle journal box body (11), rear axle cover (16) respectively by screw (15);
Hind axle part III:
Ratchet core (24) is fixing by being threaded with floral disc (26); Conical gear (23) connects by ratchet, spring silk with ratchet core (24), forms the mono-directional overrun clutch of realizing this mechanism's intermittent moment; Sediment barrier (21) is by steel ball (22) supporting conical gear (23), and sediment barrier (21) is regulated locking by two locknuts (20); Two deep groove ball bearings (19) that are contained in ratchet core (24) endoporus are supported on rear axle (18) in floral disc (26) hole with the bearing (27) that is contained in floral disc (26) the left end hole; Rear axle cover (16) links with rear axle (18) by the hole cooperation and is fixed by outer nut, and conical gear (23) end in addition is supported on floral disc (26) with plane bearing (25).
2. the transmission device of chain-less bicycle as claimed in claim 1 is characterized in that: described each conical gear (31), (10), (17), (23) are spiral bevel gear.
3. the up-to-date transmission device of chain-less bicycle as claimed in claim 1, it is characterized in that: the transmitting ratio of described mechanism is 1: 2.22.
4. the up-to-date transmission device of chain-less bicycle as claimed in claim 1, it is characterized in that: the material of each assembly of mechanism is a metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240478 CN2594144Y (en) | 2002-07-18 | 2002-07-18 | Chainless transmission of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240478 CN2594144Y (en) | 2002-07-18 | 2002-07-18 | Chainless transmission of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2594144Y true CN2594144Y (en) | 2003-12-24 |
Family
ID=33713582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02240478 Expired - Fee Related CN2594144Y (en) | 2002-07-18 | 2002-07-18 | Chainless transmission of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2594144Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314056A (en) * | 2015-09-29 | 2016-02-10 | 北京摩拜科技有限公司 | A chainless bicycle and a transmission system thereof |
| CN108016563A (en) * | 2017-12-11 | 2018-05-11 | 合肥美青工业设计有限公司 | A kind of bicycle is without chain transmission mode |
-
2002
- 2002-07-18 CN CN 02240478 patent/CN2594144Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314056A (en) * | 2015-09-29 | 2016-02-10 | 北京摩拜科技有限公司 | A chainless bicycle and a transmission system thereof |
| CN105314056B (en) * | 2015-09-29 | 2018-05-01 | 北京摩拜科技有限公司 | Chain-less bicycle and its transmission system |
| CN108016563A (en) * | 2017-12-11 | 2018-05-11 | 合肥美青工业设计有限公司 | A kind of bicycle is without chain transmission mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |