CN1262203A - Immersed-in-oil speed variator for non-motor vehicles - Google Patents
Immersed-in-oil speed variator for non-motor vehicles Download PDFInfo
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- CN1262203A CN1262203A CN 99112663 CN99112663A CN1262203A CN 1262203 A CN1262203 A CN 1262203A CN 99112663 CN99112663 CN 99112663 CN 99112663 A CN99112663 A CN 99112663A CN 1262203 A CN1262203 A CN 1262203A
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Abstract
An immersed-in-oil speed variator for non-motor vehicle is composed of speed-varying box, several free gears, spline shaft sleeve, clutch disk, clutch key, several speed-varying gears and 2 drve gears. Said spline shaft sleeve is installed to central shaft. Said free gears and clutch key are sleeved around the spline shaft sleeve. Said speed-varying gears are fixed to rotational shaft. 2 drive gears are respectively fixed to rotational shaft and drive axle. Said clutch key is linked to the clutch seat on central shaft,which drives clutch key to push a freegear to match with an associated speed-varying gear and to drive rotational shaft. Its advantages are flexible speed variation, high strength and long service life.
Description
The present invention relates to a kind of speed changer for non-motor vehicle, particularly relate to a kind of oil immersed type change-speed box that is used on the bicycle.
Be still the main vehicle of the upper and lower class of people at China's bicycle, town dweller's each household all has several bicycles.In the bicycle that uses, having much is variable speed bicycle at present, and variable speed bicycle is realized by two change-gear sets and chain.Two change-gear sets are separately fixed on the wheel shaft of rear wheel of axis and bicycle.This speed-changing mechanism, not only speed change is dumb, easy break-down, and speed change is restricted.
Purpose of the present invention is at the problems referred to above, provides that a kind of volume is little, sturdy and durable, speed change is flexible, is arranged on the immersed-in-oil speed variator for non-motor vehicles on the axis.
Purpose of the present invention adopts following technical proposals to realize, that is:
Immersed-in-oil speed variator for non-motor vehicles comprises change-speed box case and transmission system.
The change-speed box case is made up of casing and left and right case lid.Left and right case lid is separately fixed on the left and right end face of casing.Covering at left and right box has bearing seat respectively, and left and right bearing is set respectively in bearing seat.Axis is positioned at casing, and its two ends are supported by left and right bearing respectively.Be full of oily medium in the casing.Steady ring is arranged on the cabinet wall, a plurality of knock holees are arranged on the steady ring, be provided with fixing screw in the knock hole.
Transmission system comprises gear drive, pleasure boat speed-changing mechanism, speed-change gear and engaging and disengaging gear.The pleasure boat speed-changing mechanism is made up of a plurality of pleasure boats, hub splines and a plurality of support spring.A gear push rod and 1 are arranged with the push-rod hole that cogs on the wheel body of pleasure boat; The center of pleasure boat is the hub splines through hole, and the spline of indent is arranged on the inwall of hub splines through hole.Hub splines is sleeved on the axis, and the radius of a plurality of pleasure boats is inequality, can be sleeved on the hub splines by with ascending arrangement of radius or descending arrangement.On hub splines, between 2 pleasure boats, be set with support spring.Gear push rod on each pleasure boat passes the gear push-rod hole on the wheel body of each pleasure boat on its right side successively.
Speed-change gear, form by a plurality of variable gears and rotating shaft, the variable gear number is identical with the pleasure boat number, a plurality of variable gears can be fixed in the rotating shaft by descending arrangement of radius or ascending arrangement, and the rotating shaft two ends are supported by the bearing in the left and right bearing seat that is arranged on the cover wall respectively.Pleasure boat can with cooresponding variable gear engagement with it.
Gear drive is made up of a pair of intermeshing bevel gear, and one of them bevel gear is fixed in the rotating shaft, and another bevel gear is fixed on the front end of a transmission shaft.The rear end of transmission shaft can be by a bevel gear and the bevel gear engagement that is fixed on the wheel shaft of bicycle rear wheel.
Engaging and disengaging gear comprises clutch key, clutch keyboard and clutch keyseat.The centre of clutch keyboard is the hub splines through hole, and a plurality of knock holees are arranged on the outer rim of clutch keyboard, and a plurality of gear push-rod holes are arranged on the clutch keyboard.The clutch keyboard is sleeved on the hub splines, gives spacing by the snap ring that is fixed on the hub splines rear end.Gear push rod on a plurality of pleasure boats passes the gear push-rod hole on the clutch keyboard respectively.The clutch keyseat has the clutch key groove, and the rear end of clutch key is arranged in the clutch key groove, and connects with the clutch keyseat by bearing pin.One end of one extension spring is fixed on the clutch key, and the other end is fixed on the clutch keyseat.The clutch keyseat is fixed on the axis.A plurality of fixing screws on the steady ring of cabinet wall can insert or leave a plurality of knock holees on the clutch keyboard outer rim respectively.
Engaging and disengaging gear of the present invention, also can be made up of 2 straight gears, one of them straight gear is fixed in the rotating shaft, and another straight gear is sleeved on the axis, the front end and the bicycle chainwheel of the axle sleeve of this straight gear are fixedly connected, and axle sleeve is supported by the bearing in the bearing seat that is arranged on the left case lid.
Friction for the axle sleeve that reduces axis and above-mentioned straight gear is provided with bearing in the right-hand member bearing seat of this axle sleeve, the left end of axis is supported by this bearing.
To terminate in desired location in order moving after the maximum that makes a plurality of pleasure boats in the speed-changing mechanism, on hub splines, to be positioned on the maximum backspacing a position of setting of each pleasure boat jump ring is set.
For the clutch bond energy more effectively promotes gear push rod reach, the push rod cap is set in the rear end of the gear push rod of each pleasure boat.
The two ends of the axis of immersed-in-oil speed variator for non-motor vehicles of the present invention are connected with the left and right sides pedal arm of bicycle respectively.The change-speed box case is fixed on the vehicle frame.Requirement by the user, pin is stepped on the bicycle pedal certain angle, at this moment clutch key just contacts with the gear push rod of the corresponding pleasure boat of this speed change, and promote the reach of this gear push rod, drive this pleasure boat and a variable gear engagement, clutch this moment keyboard is pushed to reach by the push rod cap of the gear push rod that clutch key promotes, and the fixing screw on the steady ring contacts with the clutch key disk detachment.Positive again stepping bicycle pedal, axis drive pleasure boat ingear variable gear and rotate, rotate thereby drive transmission shaft (or sprocket wheel), and the bevel gear by the transmission shaft rear end, (or chain) drive rear wheels is rotated.Back-pedal bicycle pedal as required makes the gear push rod of clutch key on the different pleasure boats of sinciput successively, realizes the bicycle multi-change speed.
The present invention be used for the row upper volume little, simple in structure, sturdy and durable, speed change is flexible, easy to operate.
The present invention also can be used on the non-power-driven vehicles such as three-wheel vehicle, toy, realizes multi-change speed.
Fig. 1 is the structural representation of a kind of embodiment of the present invention, Fig. 2 is the structural representation of second kind of embodiment of the present invention, Fig. 3 is the pleasure boat structural representation, Fig. 4 is pleasure boat and variable gear mesh schematic representation, Fig. 5 is the hub splines structural representation, and Fig. 6 is the jump ring structural representation, and Fig. 7 is a clutch keyboard structural representation, Fig. 8 is a clutch key assembling scheme drawing, Fig. 9 running condition scheme drawing.The invention will be further described below in conjunction with accompanying drawing.
Embodiment one
Immersed-in-oil speed variator for non-motor vehicles comprises change speed gear box and transmission system.Transmission system comprises gear drive, pleasure boat speed-changing mechanism, speed-change gear and engaging and disengaging gear.
Change speed gear box is made up of casing 1, case lid 2, case lid 3. Bearing seat 4,5,6,7 is arranged respectively on the case lid 2 and 3. Bearing 8,9,10,11 is set respectively in bearing seat 4,5,6,7.On casing 1 inwall, be fixed with steady ring 12, a plurality of knock holees are arranged on the steady ring, be provided with fixing screw 13 in each knock hole.
The pleasure boat speed-changing mechanism comprises 4 pleasure boats 14, hub splines 15. Gear push rod 18 and 4 gear push-rod holes 19 are arranged on the pleasure boat 14, and the center of pleasure boat is a hub splines through hole 20, and the spline 21 of indent is arranged on the inwall of hub splines through hole 20.Hub splines 15 is sleeved on the axis 22, and its two ends are supported by bearing 8,9 respectively, and is connected with left and right pedal arm 48 respectively.4 pleasure boats 14 play increase gradually according to its radius by a left side and are sleeved in proper order on the hub splines 15.The gear push rod 18 of each pleasure boat 14 passes the gear push-rod hole 19 on each pleasure boat 14 on its right side.Hub splines 15 is provided with 5 jump rings 17.Between 4 jump rings 17 and corresponding with it 4 pleasure boats, support spring 16 is set respectively.Between the 5th jump ring 17 and clutch keyboard 24, support spring 16 is set.
Speed-change gear is made up of 25,4 variable gears 26 of rotating shaft, and 4 variable gears 26 are risen by a left side according to its radius and dwindle fixed order gradually in rotating shaft 25.The two ends of rotating shaft 25 are supported by bearing 10,11 respectively.4 variable gears 26 can corresponding with it respectively 4 pleasure boats, 14 engagements.
Engaging and disengaging gear comprises clutch keyboard 24, clutch key 28, clutch keyseat 29 and extension spring 27.Clutch keyboard 24 centers are hub splines through hole 30, and a plurality of knock holees 31 are arranged on its outer rim, and 4 gear push-rod holes 32 are arranged on the clutch keyboard 24.Clutch keyboard 24 is sleeved on the rear end of hub splines 15, and gives spacing by the snap ring 33 that is fixed on hub splines 15 rear ends.After the gear push rod 18 of 4 pleasure boats 14 passed 4 gear push-rod holes 32 on the clutch keyboard 24 respectively, fixedly the upper ejector pin cap 23.A plurality of fixing screws 13 on the steady ring 12 can insert respectively in a plurality of knock holees 31 on the clutch keyboard 24.Clutch keyseat 29 is fluted 34, and the rear end of clutch key 28 is positioned at this groove 34, and connects with clutch keyseat 29 by bearing pin 35.One end of extension spring 27 is fixed on the clutch keyboard 24, and the other end is fixed on the clutch keyseat 29.Clutch keyseat 29 is fixed on the axis 22.Clutch key 28 can promote 18 reaches of 4 gear push rods respectively during by axis 22 driven rotary.
Gear drive is made up of gear 40, gear 41.There is bearing seat 42 rear end of gear 40, and bearing 43 is arranged in the bearing seat 42, and gear 40 is sleeved on the axis 22, and the front end of the axle sleeve of axis 22 is supported by bearing 43, and the axle sleeve front end of gear 40 is captiveed joint with sprocket wheel 44, and is supported by bearing 8.
Embodiment two and embodiment one are basic identical, institute's difference is described gear drive, is made up of bevel gear 37 and bevel gear 38, and bevel gear 37 is fixed in the rotating shaft 25, bevel gear 38 is fixed on the front end of transmission shaft 39, bevel gear 37 and bevel gear 38 engagements.The rear end of transmission shaft 39 can be meshed by the bevel gear on a bevel gear and the bicycle rear vehicle shaft and be driven cycle racing.
Fill with oily medium 36 in the change speed gear box of above-mentioned two embodiment, and oil sealing 45 and 46 are set respectively at the bearing seat 4 and 5 places of case lid 2 and case lid 3.
Claims (3)
1, immersed-in-oil speed variator for non-motor vehicles comprises change speed gear box and transmission system; In change speed gear box, fill with oily medium (36), change speed gear box is made up of casing (1), case lid (2), case lid (3), bearing seat (4), (5), (6), (7) are arranged respectively on case lid (2) and (3), in bearing seat (4), (5), (6), (7), bearing (8), (9), (10), (11) are set respectively; Transmission system comprises gear drive, pleasure boat speed-changing mechanism, speed-change gear and engaging and disengaging gear, it is characterized in that:
A, be fixed with steady ring (12) on the inwall of casing (1), steady ring has a plurality of knock holees on (12), is provided with fixing screw (13) in each knock hole;
B, the pleasure boat speed-changing mechanism, comprise a plurality of pleasure boats (14), hub splines (15), gear push rod (18) and 1 are arranged with the push-rod hole that cogs (19) on the pleasure boat (14), pleasure boat (14) center is hub splines through hole (20), hub splines (15) is sleeved on the axis (22), the two ends of axis (22) are respectively by bearing (8), (9) supported, the radius of a plurality of pleasure boats (14) is inequality, a plurality of pleasure boats (14) are set on the hub splines (15), gear push rod (18) on each pleasure boat (14) passes the gear push-rod hole (19) on each pleasure boat (14) on its right side; Be set with support spring (16) between 2 pleasure boats (14) being positioned on the hub splines (15);
C, speed-change gear, form by rotating shaft (25), a plurality of variable gear (26), the radius of a plurality of variable gears is inequality, a plurality of variable gears are separately fixed in the rotating shaft (25), a plurality of variable gears (26) can mesh by corresponding with it respectively pleasure boat (14), and the two ends of rotating shaft (25) are supported by bearing (10), (11) respectively;
D, engaging and disengaging gear comprise clutch keyboard (24), clutch key (28), clutch keyseat (29) and extension spring (27); Clutch keyboard (24) center is hub splines through hole (30), its outer rim has a plurality of knock holees (31), a plurality of gear push-rod holes (32) are arranged on the clutch keyboard (24), clutch keyboard (24) is sleeved on the rear end of hub splines (15), and giving spacingly by the snap ring (33) that is fixed on hub splines (15) rear end, the hub splines (15) between pleasure boat (14) and clutch keyboard (24) is gone up suit support spring (16); The gear push rod (18) of a plurality of pleasure boats (14) passes the gear push-rod hole (32) on the clutch keyboard (24) respectively; A plurality of fixing screws (13) on the steady ring (12) can insert respectively in a plurality of knock holees (31) on clutch keyboard (24) outer rim; Clutch keyseat (29) fluted (34), clutch key (28) rear end is positioned at groove (34), and connect with clutch keyseat (29) by bearing pin (35), one end of extension spring (27) is fixed on the clutch keyboard (24), the other end is fixed on the clutch keyseat (29), clutch keyseat (29) is fixed on the axis (22), and clutch key (28) can promote a plurality of gear push rods (18) reach respectively during by axis (22) driven rotary;
E, gear drive, form by gear (40) and gear (41), there is bearing seat (42) rear end of gear (40), bearing (43) is arranged in the bearing seat (42), gear (40) is sleeved on the axis (22), the front end of axis (22) is supported by bearing (43), and the axle sleeve front end of gear (40) is captiveed joint with sprocket wheel (44), and is supported by bearing (8).
2, immersed-in-oil speed variator for non-motor vehicles according to claim 1, it is characterized in that after being positioned on the hub splines (15) that each pleasure boat (14) sets, moving jump ring (17) is set on the dead-centre position, be fixed with push rod cap (23) in the rear end of described a plurality of gear push rods (18).
3, immersed-in-oil speed variator for non-motor vehicles according to claim 1 and 2, it is characterized in that described gear drive, form by bevel gear (37) and bevel gear (38), bevel gear (37) is fixed in the rotating shaft (25), bevel gear (38) is fixed on the front end of transmission shaft (39), bevel gear (37) and bevel gear (38) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112663 CN1262203A (en) | 1999-01-29 | 1999-01-29 | Immersed-in-oil speed variator for non-motor vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99112663 CN1262203A (en) | 1999-01-29 | 1999-01-29 | Immersed-in-oil speed variator for non-motor vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1262203A true CN1262203A (en) | 2000-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99112663 Pending CN1262203A (en) | 1999-01-29 | 1999-01-29 | Immersed-in-oil speed variator for non-motor vehicles |
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| Country | Link |
|---|---|
| CN (1) | CN1262203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921890A (en) * | 2013-01-14 | 2014-07-16 | 田莹 | Speed changer for human-powered vehicle |
| CN110561243A (en) * | 2019-09-03 | 2019-12-13 | 高小艳 | Handheld metal surface treatment device with multi-rotating-speed adjusting mechanism |
-
1999
- 1999-01-29 CN CN 99112663 patent/CN1262203A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921890A (en) * | 2013-01-14 | 2014-07-16 | 田莹 | Speed changer for human-powered vehicle |
| CN110561243A (en) * | 2019-09-03 | 2019-12-13 | 高小艳 | Handheld metal surface treatment device with multi-rotating-speed adjusting mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |