CN100394077C - Metal band type stepless speed variator lubricating device - Google Patents
Metal band type stepless speed variator lubricating device Download PDFInfo
- Publication number
- CN100394077C CN100394077C CNB2004100946147A CN200410094614A CN100394077C CN 100394077 C CN100394077 C CN 100394077C CN B2004100946147 A CNB2004100946147 A CN B2004100946147A CN 200410094614 A CN200410094614 A CN 200410094614A CN 100394077 C CN100394077 C CN 100394077C
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- China
- Prior art keywords
- lubricant oil
- lubricant
- flow control
- control portion
- nozzle
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
- F16H57/0489—Friction gearings with endless flexible members, e.g. belt CVTs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
A metal belt is wound on a drive pulley capable of changing the groove width and a driven pulley, and an injection nozzle 34 is provided with a lubricant injection hole 34c that injects the lubricant and a flow regulator 34e installed on a lubricant supply line 34a continuing to the upstream side of this lubricant injection hole 34c in a lubrication unit for the metal belt driven stepless transmission that lubricates a drive pulley, a driven pulley and a metal belt by the lubricant injected from an injection nozzle 34. As a flow regulator 34e is provided in addition to a lubricant injection hole 34c, a sufficient lubrication effect can be secured by lowering the injection speed of the lubricant from the lubricant injection hole 34c regulating the lubricant to the requested flow and injecting its lubricant radially.
Description
Technical field
The present invention relates to a kind of metal strip reel be hung on driving pulley and the driven pulley, by changing the well width of described two belt wheels, the metal band type stepless speed variator of stepless control gear ratio relates in particular to the lubricating fitting that these driving pulleys, driven pulley and metal tape are lubricated.
Background technique
Following patent documentation 1 has been put down in writing in this metal band type stepless speed variator, by from being disposed at the nozzle ejection lubricant oil between driving pulley and the driven pulley, and the metal band type stepless speed variator that driving pulley, driven pulley and metal tape are lubricated.
[patent documentation 1] spy opens clear 60-159468 communique
But in order to suppress to improve lubrication effect in the lubricants capacity of nozzle ejection, hope with radial injection, is dispersed in wider scope with required minimal lubricant oil.The throttle valve of the lubricant oil spray-hole by being arranged at nozzle was lubricated oily flow control in the past, if but owing to be between flow of lubrication and the spray configuration that a side wherein determines then relation that the opposing party also is determined, therefore very difficultly satisfy above-mentioned two conditions simultaneously.
Summary of the invention
The present invention is for proposing in view of the above fact, its purpose is to provide a kind of lubricating fitting of metal band type stepless speed variator, can appropriately set flow rate of lubricating oil and spray configuration that belt wheel and metal tape to metal band type stepless speed variator are lubricated.
In order to achieve the above object, according to the present invention 1, a kind of lubricating fitting of following metal band type stepless speed variator has been proposed: possess the live axle that is connected in motor; With the live axle parallel configuration and be connected in the driven shaft of driving wheel; Be arranged at the variable driving pulley of live axle and well width; Be arranged at the variable driven pulley of driven shaft and well width; Volume is hung on the metal tape of driving pulley and driven pulley; With the interior all sides that are disposed at metal tape, the lubricating fitting of the metal band type stepless speed variator of the nozzle of the lubricant oil that injection is lubricated driving pulley, driven pulley and metal tape, and nozzle possesses the lubricant oil spray-hole and the flow control portion that is arranged at the lubricant oil supply passage that links to each other with this lubricant oil spray-hole upstream side of jet lubrication oil.
In addition, according to the present invention 2, proposed a kind of lubricating fitting of following metal band type stepless speed variator: based on the present invention's 1 structure, nozzle is provided with flow control portion.
In addition, according to the present invention 3, proposed a kind of lubricating fitting of following metal band type stepless speed variator: based on the present invention's 1 or 2 structure, the diameter of comparing flow control portion with the lubricant oil spray-hole is littler.
In addition, according to the present invention 4, a kind of lubricating fitting of following metal band type stepless speed variator has been proposed: based on the present invention 1～3 in any one structure, be provided with lubricant oil in the forward end of the flow control portion of nozzle and accumulate portion.
1 structure according to the present invention, be provided with flow control portion owing to be connected the lubricant oil supply passage of lubricant oil spray-hole upstream side, when therefore flow of lubrication can be controlled at desirable value, the lubricant oil jet velocity that reduction is sprayed from the lubricant oil spray-hole, thereby, guarantee sufficient lubrication effect with radial injection.
2 structure according to the present invention because nozzle is provided with flow control portion, therefore can just can be provided with flow control portion, thereby process easily and assemble only by nozzle is installed automatically.
3 structure according to the present invention, because compare the diameter of flow control portion with the lubricant oil spray-hole littler, when therefore can not influence other lubricated portions, control is from the flow of lubrication of nozzle ejection.
4 structure according to the present invention, accumulate portion owing to be provided with lubricant oil in the forward end of the flow control portion of nozzle, therefore the lubricant oil in the nozzle is mobile can produce interference with the lubricant oil portion of accumulating, and becomes more appropriate thereby make from the lubricant oil injection form of nozzle ejection.
Description of drawings
Fig. 1 is the synoptic diagram that is equipped with the vehicle power conveying system of metal band type stepless speed variator.
Fig. 2 is the main position plan view of metal band type stepless speed variator.
Fig. 3 is the 3-3 line sectional drawing of Fig. 2.
Fig. 4 is the main position stereogram of metal band type stepless speed variator.
Fig. 5 is the main position enlarged view of Fig. 3.
Fig. 6 is that 6 directions of Fig. 5 are to view.
Among the figure: the 1-live axle, the 2-driven shaft, the 5-driving pulley, the 7-driven pulley, the 9-metal tape, the 34-nozzle, 34a-lubricant oil supply passage, 34c-lubricant oil spray-hole, 34e-flow control portion, 34f-lubricant oil accumulates portion, E-motor, W-driving wheel.
Embodiment
Below, the embodiments of the invention shown in illustrate embodiments of the present invention with reference to the accompanying drawings.
Fig. 1～Fig. 6 represents one embodiment of the present of invention, wherein Fig. 1 is the synoptic diagram that is equipped with the vehicle power conveying system of metal band type stepless speed variator, Fig. 2 is the main position plan view of metal band type stepless speed variator, Fig. 3 is the 3-3 line sectional drawing of Fig. 2, Fig. 4 is the main position stereogram of metal band type stepless speed variator, Fig. 5 is the main position enlarged view of Fig. 3, and Fig. 6 is that 6 directions of Fig. 5 are to view.
As shown in Figure 1, Vehicular metal variable v-belt drive T possesses the live axle 1 and the driven shaft 2 of parallel configuration, and the left end of the bent axle 3 of motor E is connected via the right side of vibration damper 4 with live axle 1.
The driving pulley 5 that driven shaft 1 supports possesses the fixed side pulley half 5a that rotates freely relatively with respect to this live axle 1 and with respect to the movable side pulley half 5b of this fixed side halfbody 5a at the axle direction free sliding.By acting on the oil pressure of work grease chamber 6, change the well width between movable side pulley half 5b and the fixed side pulley half 5a.By the driven pulley 7 that driven shaft 2 supports, possesses the fixed side pulley half 7a that forms as one with this driven shaft 2 and with respect to the movable side pulley half 7b of this fixed side halfbody 7a at the axle direction free sliding.By acting on the oil pressure of work grease chamber 8, change the well width between movable side pulley half 7b and the fixed side pulley half 7a.And between driving pulley 5 and driven pulley 7, volume is hung the metal tape 9 that a plurality of metallic members are installed on 2 strip metal ring aggregates.
Left end at live axle 1, be provided with the forward-reverse switching mechanism 12 that the planetary gears by single pinion type forms, this forward-reverse switching mechanism 12 possess when gear stage is advanced in establishment in conjunction with and with the rotation of live axle 1 equidirectional be delivered to the forward clutch 10 of driving pulley 5 and when establishment retreats gear stage in conjunction with and the rotation of live axle 1 is delivered to the reversing break 11 of driving pulley 5 in the other direction.The sun gear 27 of forward-reverse switching mechanism 12 is fixed on the live axle 1, and planetary carrier 28 can be limited in the housing by reversing break 11, and ring gear 29 can combine with driving pulley by forward clutch 10.
Be arranged on the start clutch 13 of driven shaft 2 right-hand members, will be combined on this driven shaft 2 with first intermediate gear 14 that relative driven shaft 2 mode freely of rotating supports.Be provided with second intermediate gear 16 that meshes with described first intermediate gear 14 with the jack shaft 15 of driven shaft 2 parallel configuration.Be arranged on the input gear 19 of the gear-box 18 of differential gear 17, mesh with the 3rd intermediate gear 20 that is arranged on described jack shaft 15.The a pair of small gear 22,22 that is supported by gear-box 18 via pinion shaft 21,21, the differential gear 25,26 with the front end that is arranged on the left axletree 23 that supported by gear-box 18 with relative free rotation mode and right axletree 24 meshes.Front end at left axletree 23 and right axletree 24 is connected with driving wheel W, W respectively.
Like this, if select forward gears with selection lever, then according to instruction from oil pressure control unit U2, at first forward gear clutch 10 combinations, its result, live axle 1 combines with driving pulley 5 one.Then start clutch 13 combinations, then the moment of torsion of motor E be delivered to driving wheel W, W, thereby vehicle is started to walk forward via live axle 1, driving pulley 5, metal tape 9, driven pulley 7, driven shaft 2 and differential gear 17.If select to retreat shelves with selection lever, then according to instruction from oil pressure control unit U2,11 combinations of reverse gear clutch, driving pulley 5 drives to the direction opposite with the sense of rotation of live axle 1, thereby passes through the combination of start clutch 13, and vehicle is started to walk backward.
After vehicle is started to walk by such mode, then by instruction from oil pressure control unit U2, the oil pressure of supplying with to the work grease chamber 6 of driving pulley 5 will increase, the movable side pulley half 5b of driving pulley 5 is approaching to fixed side pulley half 5a, when effective radius increases, the oil pressure that supplies to the work grease chamber 8 of driven pulley 7 can reduce, the movable side pulley half 7b of driven pulley 7 leaves from fixed side pulley half 7a, effective radius reduces, thereby the ratio of metal band type stepless speed variator T changes continuously from LOW side direction OD side.
Shown in Fig. 2～4, the axle head of live axle 1 and driven shaft 2 is supported by the speed changer case 31 of metal band type stepless speed variator T and the center plate 33 of side cover 32 clampings, on live axle 1, support the fixed side pulley half 5a of forward-reverse switching mechanism 12, driving pulley 5, the movable side pulley half 5b of driving pulley 5 successively from middle platen 33 sides, and on driven shaft 2, support the movable side pulley half 7b of driven pulley 7 and the fixed side pulley half 7a of driven pulley 7 successively from middle platen 33 sides.
Can know clearly with reference to Fig. 5 and Fig. 6 simultaneously, the nozzle 34 of the lubricant oil that injection is lubricated driving pulley 5, driven pulley 7 and metal tape 9, be will be within it portion's metal tube of possessing lubricant oil supply passage 34a form with the crank-like bending, the 34b thereby front end gets clogged, be formed with lubricant oil spray-hole 34c near the front end, and be formed with the 34e of flow control portion that constitutes by aperture on the end wall 34d of cardinal extremity.
Lubricant oil spray-hole 34c is forming near the position opening from the certain of lubricant oil supply passage 34a front end, and is formed with the lubricant oil delay 34f of portion between the front end of lubricant oil spray-hole 34c and lubricant oil supply passage 34a.
In addition, being welded near the tabular carriage 35 of nozzle 34 cardinal extremities is fixed on the center plate 33.Near the cardinal extremity of nozzle 34, be entrenched in the mounting hole 33a that is formed at center plate 33 with the close form of liquid, the 34e of flow control portion of nozzle 34 is via the oil circuit 33b that is formed at center plate 33, is communicated with not shown oil pump.
Near with the surface of revolution of crosscut metal tape 9 front end of nozzle 34 form is extended, and lubricant oil spray-hole 34c is positioned at the middle position of the surface of revolution of metal tape 9, and points to driving pulley 5 and metal tape 9.The gear ratio of metal belt type stepless variable machine T changes, and then the rotating locus of metal tape 9 is mobile between the solid line position (LOW state) of Fig. 3 and dotted line position (OD state), and nozzle 34 just is disposed at the position of not interfered by metal tape 9 under any state.
Can know clearly that according to Fig. 6 in the present embodiment, the diameter D1 of the lubricant oil spray-hole 34c of nozzle 34 is greater than the diameter D2 of the 34e of flow control portion.In the present embodiment, the diameter D1 of lubricant oil spray-hole 34c is 1.6mm, and the diameter D2 of the 34e of flow control portion is 1.0mm, but is not limited in this.
Like this, when metal belt type stepless variable machine T turns round, from the lubricant oil of not shown oil pump to the oil circuit 33b of center plate 33 supply, flow control portion 34 and lubricant oil supply passage 34a via nozzle 34, spray to driving pulley 5 and metal tape 9 from lubricant oil spray-hole 34c, thereby driving pulley 5 and metal tape 9 are lubricated.And, driven pulley 7 is lubricated by attached to the lubricant oil on the metal tape 9 of rotation.
In addition, the ejection of oil pump is pressed the oil pressure of the lubricant oil supply passage 34a that is adjusted into initial pressure, with the state of 0.3Mpa from nozzle 34 in accordance with regulations under flow (for example per minute is 1 liter) the jet lubrication oil condition, the if there is no 34e of flow control portion on the contrary, then be necessary the diameter D 1 of lubricant oil spray-hole 34c is reduced to 0.96mm, but so, jet velocity can become excessive and cause lubricant oil is not to spray with radial injection but with the straight line dress, can't obtain expectative sufficient lubrication effect.Relative therewith, in the present embodiment, because the upstream side at lubricant oil spray-hole 34c disposes the flow control portion 34e different with the diameter of this lubricant oil spray-hole 34c, so the flow that the FLOW CONTROL of lubricant oil can expected, reduce the jet velocity of spraying simultaneously from lubricant oil spray-hole 34c, thereby, thereby can bring into play sufficient lubrication effect with this lubricant oil of radial injection.
At this moment, because forward end at the lubricant oil supply passage 34a of lubricant oil spray-hole 34c, be formed with lubricant oil and accumulate the 34f of portion, therefore flowing of the lubricant oil in the lubricant oil supply passage 34a just accumulated portion 34 with lubricant oil and interfered, thereby makes the lubricant oil injection form of spraying from lubricant oil spray-hole 34c become appropriate.
More than, set forth in detail embodiments of the invention, but in the scope that does not depart from purport of the present invention, can carry out various design alterations.
For example, in the present embodiment, the diameter D1 of lubricant oil spray-hole 34c is 1.6mm, and the diameter D2 of the 34e of flow control portion is 1.0mm, but the value of D1 and D2 is not limited in the value that embodiment provides.But as embodiment, make the diameter D1 of the diameter D2 of the 34e of flow control portion less than lubricant oil spray-hole 34c, when then can not impact to other lubricated portions, the flow rate of lubricating oil that control is supplied with to lubricant oil spray-hole 34c.
In addition, in the present embodiment, the 34e of flow control portion is arranged on the nozzle 34, but also can be provided with in the appropriate location of the upstream side oil circuit of nozzle 34.But as embodiment, the 34e of flow control portion is set on nozzle 34, then can just the 34e of flow control portion can be set automatically, be more prone to thereby processing and assembling are become only by nozzle 34 is installed.
Claims (2)
1. the lubricating fitting of a metal belt type stepless variable machine possesses the live axle (1) that is connected in motor (E); With with live axle (1) parallel configuration and be connected in the live axle (2) of driving wheel (W); The variable driving pulley (5) with being arranged at live axle (1) and well width; The variable driven pulley (7) with being arranged at live axle (2) and well width; Hang over the metal tape (9) of live axle (1) and driven pulley (7) with volume; With the interior all sides that are disposed at metal tape (9), spray the lubricating fitting of metal belt type stepless variable machine of the nozzle (34) of the lubricant oil that driving pulley (5), driven pulley (7) and metal tape (9) are lubricated, it is characterized in that:
Nozzle (34) possesses the lubricant oil spray-hole (34c) of jet lubrication oil and is arranged at the flow control portion (34e) of the lubricant oil supply passage (34a) that is connected described lubricant oil spray-hole (34c) upstream side,
The diameter of described flow control portion is different from the diameter that part oil circuit, adjacent with described flow control portion of lubricant oil is provided to described flow control portion,
(34c) compares with the lubricant oil spray-hole, and the diameter of flow control portion (34e) is littler.
2. the lubricating fitting of metal belt type stepless variable machine as claimed in claim 1 is characterized in that:
Forward end in the flow control portion (34e) of nozzle (34) is provided with lubricant oil delay portion (34f).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003386425 | 2003-11-17 | ||
| JP2003386425A JP4052997B2 (en) | 2003-11-17 | 2003-11-17 | Lubricating device for metal belt type continuously variable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1619190A CN1619190A (en) | 2005-05-25 |
| CN100394077C true CN100394077C (en) | 2008-06-11 |
Family
ID=34694112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100946147A Active CN100394077C (en) | 2003-11-17 | 2004-11-17 | Metal band type stepless speed variator lubricating device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4052997B2 (en) |
| CN (1) | CN100394077C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007043104A1 (en) * | 2005-09-30 | 2007-04-19 | Honda Motor Co., Ltd. | Belt-type continuous variable transmission and method of operating the same |
| JP4745305B2 (en) * | 2007-09-18 | 2011-08-10 | 本田技研工業株式会社 | Lubricating device for belt type continuously variable transmission |
| JP5039101B2 (en) * | 2009-08-04 | 2012-10-03 | ジヤトコ株式会社 | Lubricating structure of continuously variable transmission |
| JP5814213B2 (en) * | 2012-11-09 | 2015-11-17 | 本田技研工業株式会社 | Lubricator for continuously variable transmission |
| JP6035175B2 (en) | 2013-03-15 | 2016-11-30 | 出光興産株式会社 | Lubricating oil composition |
| JP6873853B2 (en) * | 2017-07-14 | 2021-05-19 | ジヤトコ株式会社 | Continuously variable transmission |
| JP7223731B2 (en) * | 2020-09-09 | 2023-02-16 | 本田技研工業株式会社 | continuously variable transmission |
| CN113175521B (en) * | 2021-05-10 | 2022-09-09 | 湘潭大学 | Self-adaptive tracking type lubricating device for automobile stepless speed changer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60159468A (en) * | 1984-01-30 | 1985-08-20 | Fuji Heavy Ind Ltd | Lubricating device in stepless speed change gear |
| US4781658A (en) * | 1982-02-12 | 1988-11-01 | Mitsuboshi Belting Ltd. | Power transmission mechanism |
| JPH07229554A (en) * | 1994-02-18 | 1995-08-29 | Hino Motors Ltd | Lubricating oil circulation device for transmission |
| JPH1113866A (en) * | 1997-06-20 | 1999-01-22 | Nissan Motor Co Ltd | Belt lubricating device for belt type continuously variable transmission mechanism |
| JP2003214512A (en) * | 2002-01-18 | 2003-07-30 | Toyota Motor Corp | Lubrication device for belt type continuously variable transmission |
-
2003
- 2003-11-17 JP JP2003386425A patent/JP4052997B2/en not_active Expired - Lifetime
-
2004
- 2004-11-17 CN CNB2004100946147A patent/CN100394077C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781658A (en) * | 1982-02-12 | 1988-11-01 | Mitsuboshi Belting Ltd. | Power transmission mechanism |
| JPS60159468A (en) * | 1984-01-30 | 1985-08-20 | Fuji Heavy Ind Ltd | Lubricating device in stepless speed change gear |
| JPH07229554A (en) * | 1994-02-18 | 1995-08-29 | Hino Motors Ltd | Lubricating oil circulation device for transmission |
| JPH1113866A (en) * | 1997-06-20 | 1999-01-22 | Nissan Motor Co Ltd | Belt lubricating device for belt type continuously variable transmission mechanism |
| JP2003214512A (en) * | 2002-01-18 | 2003-07-30 | Toyota Motor Corp | Lubrication device for belt type continuously variable transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005147282A (en) | 2005-06-09 |
| CN1619190A (en) | 2005-05-25 |
| JP4052997B2 (en) | 2008-02-27 |
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