CN102817971B - Two-way controllable ratchet clutch transmission device - Google Patents

Two-way controllable ratchet clutch transmission device Download PDF

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Publication number
CN102817971B
CN102817971B CN201210329273.1A CN201210329273A CN102817971B CN 102817971 B CN102817971 B CN 102817971B CN 201210329273 A CN201210329273 A CN 201210329273A CN 102817971 B CN102817971 B CN 102817971B
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CN
China
Prior art keywords
ratchet
reverse
ratchets
input gear
output sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210329273.1A
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Chinese (zh)
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CN102817971A (en
Inventor
姚睿娟
李兵
彭家洪
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CHONGQING CHENGMOU TECHNOLOGY CO., LTD.
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CHONGQING YUCHEN TECHNOLOGY CO LTD
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Priority to CN201210329273.1A priority Critical patent/CN102817971B/en
Publication of CN102817971A publication Critical patent/CN102817971A/en
Application granted granted Critical
Publication of CN102817971B publication Critical patent/CN102817971B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a two-way controllable ratchet clutch transmission device. An output shaft sleeve is sleeved on a fixing shaft in a hollow mode, an input gear is arranged on the output shaft sleeve, a plurality of tooth sockets are arranged on an inner periphery of the input gear, one or more forward ratchets and reverse ratchets are arranged inside the tooth sockets in a fit mode, forward ratchets and reverse ratchets can rotate round ratchet shafts of forward ratchets and reverse ratchets, one ends of forward ratchets and reverse ratchets can be clamped in one tooth socket of the input gear or separated from the tooth socket, a shifting sleeve which can move axially is arranged on the fixing shaft, the shifting sleeve is in inclined plane fit with lower ends of reverse ratchets, when the shifting sleeve moves axially, reverse ratchets are pushed to rotate round ratchet shafts of reverse ratchets, upper ends of reverse ratchets are exposed out of holes of the output shaft sleeve and clamped in tooth sockets of the input gear or rotate to holes of the output shaft sleeve. According to the device, reverse transmission is achieved through ratchet opening and closing, gears are not required to move axially, the structure of the device is more compact and smaller than that of a traditional primary/secondary shaft shifting system, the sliding and reserve transmission are achieved through a set of forward ratchets and a set of reserve ratchets, the drive displacement is small and the device is simple and reliable.

Description

Two-way controllable ratchet clutch transmission device
Technical field
The present invention relates to a kind of engine power transmission device, particularly relate to a kind of two-way controllable ratchet clutch transmission device.
Background technique
In engine drivetrain; engaging and disengaging gear is very important parts, ensure engine stabilizer outputting power, protection motor constituent elements in abnormal cases not damaged, ensure, in the equipment safety work that engine power drives etc., there is very important effect.Engine power transmission device of the prior art, especially electrically driven (operated) power plant are applicable to, the engine power transmission device of traveling gear as electrically driven (operated) in electric bicycle, battery-operated motor cycle etc., need it to have following price fundamental function: 1) structure is simple, complicated loaded down with trivial details dynamic structure can not be adopted; 2) forward and backward can be realized smoothly, namely there is forward gears and reverse gear, realize moving forward and backward; 3) there is the function of overdrive clutch, namely at some in particular cases, when the rotating speed as wheel shaft is greater than the rotating speed of engine output shaft, can automatically skid, realize overdrive clutch to protect motor constituent elements not damaged; 4) lower fabricating cost, to reduce the cost of car load, enhances one's market competitiveness.But the engine power transmission device of electrically driven (operated) traveling gear such as electric bicycle, battery-operated motor cycle of prior art, mostly can not have aforesaid fundamental function, can not meet the needs of market and user simultaneously.
Summary of the invention
For prior art above shortcomings, object of the present invention is just to provide a kind of two-way controllable ratchet clutch transmission device, makes it have forward gears and reverse gear, can realize smoothly moving forward and backward; And can surmount and slide, structure is simple, is convenient to make process, cut down finished cost.
To achieve these goals, the technical solution used in the present invention is such: a kind of two-way controllable ratchet clutch transmission device, comprises stationary axle, it is characterized in that: in stationary axle overhead, cover is provided with output sleeve, and input gear is arranged on output sleeve; At the inner peripheral surface of input gear, be provided with several teeth groove, the reverse ratchet of the forward ratchet of or more and one or more is equipped with in teeth groove, forward ratchet and reverse ratchet can rotate around its ratchet shaft, its one end can snap in a teeth groove of input gear, or disengages with this teeth groove; On stationary axle, a shift cover that can move axially is set, shift cover is that inclined-plane coordinates with the lower end of reverse ratchet, promote shift cover vertically, shift cover promotes reverse ratchet and rotates around its ratchet shaft, make its upper end expose the hole of output sleeve and snap in a teeth groove of input gear, or all proceed in the hole of output sleeve.
Further feature: the similar of forward ratchet and reverse ratchet, circumferentially interval is arranged, arranged direction is contrary, but forward ratchet can not be promoted by shift cover.
Compared with prior art, the invention has the advantages that:
1, compact small and exquisite---adopt ratchet folding to realize reversing drive, gear is without the need to moving axially, more compacter than traditional major-minor axle shift system architecture, compact size.
2, structure is reliable---and realize sliding and reversing drive by positive and negative two groups of ratchets, driver part is few, and drive displacement is little, simple and reliable.
3, bearing power is strong---and central fixed shaft is non-rotating stationary axle, and bearing power is large.Ratchet driving, can transmit more high-power.
4, principle is ingenious---and by the most simple and reliable mode, achieve and surmount wheel function and reverse direction actuation integration.
5, wide accommodation---the purposes that all kinds of needs slide driving needs reverse direction actuation simultaneously can be adapted to.
6, operating structure is simple---and only the rectilinear movement of shift cover need be driven can to realize positive and negative driving conversion by parts such as solenoid valves.
7, shift energy consumption is little---and solenoid valve is automatic location type, and shift works instantaneously, and without the need to return spring and maintenance electric current, average energy consumption is very low.
8, automatic operation can be realized---solenoid operated, can realize intelligent self shifter according to vehicle speed signal and motor load.
This transmission system has following advantage when being used for three-wheeled electric vehicle:
1. be with wheel function, save electric power.
2. can realize reverse gear, and reverse gear can not slide, safer.
3. structure is reliable, and not fragile, transmitting torque is large.
4. reduce costs-can be used for front-wheel drive, save rear axle differential mechanism.
5. can realize intelligent gearshift--solenoid valve and motor overturning can electronic control, without the need to manually-operable.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the perspective view that the present invention removes input gear;
Fig. 3 is sectional structure schematic diagram (not having input gear) of the present invention;
Fig. 4 is input gear of the present invention and two groups of ratchet matching charts;
Fig. 5 is shift of the present invention cover and two groups of ratchet matching charts.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment: see Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of two-way controllable ratchet clutch transmission device, comprise stationary axle 1, stationary axle 1 can as the load-bearing axle of vehicle, the front tyre of support vehicle or rear tyre, its two end supports is on the chain stay of vehicle or on the vehicle frame of vehicle; Stationary axle 1 is provided with output sleeve 2(empty set), input gear 3 is arranged on output sleeve 2, to be meshed by gear with power plant (as motor, motor) or input gear 3 that belt transmission or sprocket driving are connected can drive output sleeve 2 to rotate, the output torque of power plant is passed to output sleeve 2 by input gear 3, drives output sleeve 2 to rotate; When mounted, output sleeve 2 matches with the wheel hub of vehicle front tyre or rear tyre usually, and band motor vehicle front tyre or rear tyre rotate, and makes vehicle realize advancing or retreating.In the axis hole of input gear 3 (inner peripheral surface), be provided with several teeth groove, the reverse ratchet 5 of the forward ratchet 4 of or more and one or more is equipped with in teeth groove, forward ratchet 4 and reverse ratchet 5 can rotate around its ratchet shaft 6, its one end can snap in a teeth groove of output gear 3, or disengages with this teeth groove; The structural similarity of forward ratchet 4 and reverse ratchet 5, circumferentially interval is arranged, arranged direction is contrary, can strengthen interchangeability of parts.On stationary axle 1, axially arrange a shift cover 7, shift cover 7 can move axially on the surface at stationary axle 1; Lower end and the shift of reverse ratchet 5 overlap 7 and contact (being equipped with), the upper end of forward ratchet 4 and reverse ratchet 5 and the hole of output sleeve 2 just right, when reverse ratchet 5 rotates around its ratchet shaft 6, the upper end of forward ratchet 4 or oppositely ratchet 5 all proceeds in the hole of output sleeve 2, and disengage with the teeth groove of input gear 3, input gear 3 can not drive output sleeve 2 to rotate; Or make the upper end of reverse ratchet 5 expose output sleeve 2 hole and snap in input gear 3 teeth groove in and coordinate, make input gear 3 by forward ratchet 4 or oppositely ratchet 5 be connected with output sleeve 2, input gear 3 can drive output sleeve 2 synchronous axial system; Shift cover 7 is that inclined-plane coordinates with the lower end of reverse ratchet 5, and promote shift cover 7 vertically, shift overlaps the reverse ratchet 5 of 7 corresponding promotion and rotates around its ratchet shaft 6, makes its upper end expose the hole of output sleeve 2 or all proceed in the hole of output sleeve 2.The present invention, by forward ratchet 4 or reverse ratchet 5, realizes output sleeve 2 and the clutch of input gear 3, plays the effect of normal clutch.
Forward ratchet 4 is identical with the structure of reverse ratchet 5, and circumferentially interval is arranged, arranged direction is contrary.Shift cover 7 not with the lower end in contact of forward ratchet 4, do not drive forward ratchet 4 to rotate when shift cover 7 moves axially.
Working principle of the present invention and process are summarized as follows:
Because input gear 3 can rotate on output sleeve 2, input gear 3 by forward ratchet 4 or oppositely ratchet 5 transmission of power to output sleeve 2.Under the effects such as the shift fork that shift cover 7 is equipped with in outside, side-to-side movement axial on stationary axle 1, coordinated by inclined-plane and promote reverse ratchet 5, in the hole making reverse ratchet 5 all proceed to output sleeve 2 or its upper end expose output sleeve 2 hole and snap in input gear 3 teeth groove in (discharging), realize the clutch action of output sleeve 2 and input gear 3.
Forward transmission of the present invention: when shift cover 7 is in Fig. 3 left position, reverse ratchet 5 is taken in the hole of output sleeve 2, and reverse ratchet 5 is in separated state, and its upper end does not snap in the teeth groove of input gear 3; Now the upper end of forward ratchet 4 snaps in the teeth groove of input gear 3, when input gear 3 rotates forward, by forward ratchet 4 transmission of power to output sleeve 2; Because forward ratchet 4 can rotate around its ratchet shaft 6, when rotating speed higher than input gear 3 of the rotating speed of output sleeve 2, forward ratchet 4 produces and skids, and input gear 3 can not be driven with higher rotational speed, realizes surmounting the forward transmission of sliding.
Reverse direction actuation of the present invention: move under the effects such as the shift fork that shift cover 7 is equipped with in outside, when being in Fig. 3 right end position, promote the lower end of reverse ratchet 5, reverse ratchet 5 rotates around its ratchet shaft 6, and its upper end is given prominence to outside the hole of output sleeve 2, snaps in the teeth groove of input gear 3, input gear 3 engages with output sleeve 2, now input gear 3 reverses, by reverse ratchet 5 transmission of power to output sleeve 2, realize reversing drive.
Finally it should be noted that, above embodiment is only in order to illustrate technological scheme of the present invention but not restriction technologies scheme, although claimant's reference preferred embodiment is to invention has been detailed description, those of ordinary skill in the art is to be understood that, those are modified to technological scheme of the present invention or equivalent replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of right of the present invention.

Claims (2)

1. a two-way controllable ratchet clutch transmission device, comprises stationary axle (1), it is characterized in that: in stationary axle (1) overhead, cover is provided with output sleeve (2), and input gear (3) is arranged on output sleeve (2); At the inner peripheral surface of input gear (3), be provided with several teeth groove, more than one forward ratchet (4) and more than one reverse ratchet (5) are equipped with in teeth groove, forward ratchet (4) and reverse ratchet (5) can rotate around its ratchet shaft (6), its upper end can snap in a teeth groove of input gear (3), or disengages with this teeth groove; On stationary axle (1), a shift cover (7) that can move axially is set, shift cover (7) is that inclined-plane coordinates with the lower end of reverse ratchet (5), promote shift cover (7) vertically, shift cover (7) promotes reverse ratchet (5) and rotates around its ratchet shaft (6), make its upper end expose the hole of output sleeve (2) and snap in a teeth groove of input gear (3), or all proceed in the hole of output sleeve (2).
2. two-way controllable ratchet clutch transmission device according to claim 1, is characterized in that: forward ratchet (4) is identical with the structure of reverse ratchet (5), and circumferentially interval is arranged, arranged direction is contrary.
CN201210329273.1A 2012-09-07 2012-09-07 Two-way controllable ratchet clutch transmission device Expired - Fee Related CN102817971B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210329273.1A CN102817971B (en) 2012-09-07 2012-09-07 Two-way controllable ratchet clutch transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210329273.1A CN102817971B (en) 2012-09-07 2012-09-07 Two-way controllable ratchet clutch transmission device

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CN102817971A CN102817971A (en) 2012-12-12
CN102817971B true CN102817971B (en) 2015-02-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676403A (en) * 2017-09-18 2018-02-09 东莞市松研智达工业设计有限公司 The double rolling key clutch that a kind of shared bicycle uses
CN112590228A (en) * 2021-03-02 2021-04-02 寿光市炘煜注塑有限公司 Edge covering device convenient for production of automobile roof plastic accessories and capable of being accurately butted

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85203423U (en) * 1985-08-16 1987-02-04 眉山县新产品研究所 Drive ratchet
GB2346190A (en) * 1999-02-01 2000-08-02 A C Cossor & Son Ratchet mechanism
CN200975427Y (en) * 2006-11-29 2007-11-14 马常松 Oil-economizer for vehicle
CN101210594A (en) * 2006-12-29 2008-07-02 张开瑞 Inner ratchet wheel type bidirectional overrunning clutch
CN101554915A (en) * 2009-03-16 2009-10-14 马晓刚 Bi-directional driving rotary table

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007292105A (en) * 2006-04-21 2007-11-08 Ntn Corp Unidirectional intermittent feeding unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85203423U (en) * 1985-08-16 1987-02-04 眉山县新产品研究所 Drive ratchet
GB2346190A (en) * 1999-02-01 2000-08-02 A C Cossor & Son Ratchet mechanism
CN200975427Y (en) * 2006-11-29 2007-11-14 马常松 Oil-economizer for vehicle
CN101210594A (en) * 2006-12-29 2008-07-02 张开瑞 Inner ratchet wheel type bidirectional overrunning clutch
CN101554915A (en) * 2009-03-16 2009-10-14 马晓刚 Bi-directional driving rotary table

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Effective date of registration: 20130130

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Applicant before: Chongqing Branch of Guizhou Xingguo New Power Technology Co., Ltd.

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Inventor after: Yao Ruijuan

Inventor after: Li Bing

Inventor after: Peng Jiahong

Inventor before: Li Bing

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