CN103542079A - Ventilating structure for lubricating power transmission device - Google Patents

Ventilating structure for lubricating power transmission device Download PDF

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Publication number
CN103542079A
CN103542079A CN201310291469.0A CN201310291469A CN103542079A CN 103542079 A CN103542079 A CN 103542079A CN 201310291469 A CN201310291469 A CN 201310291469A CN 103542079 A CN103542079 A CN 103542079A
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CN
China
Prior art keywords
axle
guide portion
lubricated guide
engaging gear
gear
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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.)
Granted
Application number
CN201310291469.0A
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Chinese (zh)
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CN103542079B (en
Inventor
河野笃志
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GKN Driveline Japan Ltd
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GKN Driveline Japan Ltd
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Publication of CN103542079A publication Critical patent/CN103542079A/en
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Publication of CN103542079B publication Critical patent/CN103542079B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/0421Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/027Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/029Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/031Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02086Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

This invention can inhibit the large-scale power transmission device. The hollow connection rod (7) of the power transmission device extend to the outside from the opening (53) of a distribution box. An oil seal is positioned between the hollow connection rod (7) and the opening (53) of the distribution box (5). The power transmission device provided with a plurality of flow slots for receiving the lubricating oil spilled up by the orthometric engaged meshing gear arranged on a transmission medium rod which is relatively low and is in linkage mesh with the hollow connection rod (7) and guides the lubricating oil to the lubricating guide part on one side of the oil seal. The distribution box (5) possess a ventilation chamber internally communicating with the distribution box and possessing a ventilation device. The ventilation device is positioned in a manner of comprising the upper space (s) of the lubricating oil guide part.

Description

Lubricate-the ventilation device of power transmitting deice
Technical field
The present invention relates to for the power transmitting deice of the power transmission system of four-wheel drive vehicle etc. etc. lubricated-ventilation device.
Background technique
At present, the power transmission system of four-wheel drive vehicle adopts example transmitting set (transfer) as Patent Document 1.
In this transmitting set, be configured in the hollow connection shaft of high position relatively from the opening surface of distributor case to outer side, and be supported on distributor case and can rotate freely by bearing.Between hollow connection shaft and the opening of distributor case, than the position in the more close axial outside of bearing, be provided with oil sealing.
In distributor case, in the top side of transmission jack shaft, along being axially provided with lubricated guide portion, this lubricated guide portion is set to towards oil sealing one side direction and has a down dip.
Therefore,, when transmission of power, the lubricant oil of being dug by the rotation of quadrature engaging gear is imported in lubricated guide portion.In lubricated guide portion, lubricant oil is set and is flowed because of above-mentioned inclination, to bearing and oil sealing one side shifting.By the movement of such lubricant oil, can bearing and oil sealing is lubricated.
In above-mentioned existing lubricating structure, as laying down of Fig. 8 as shown in the distributor case 201 of case lid, the space on lubricated guide portion 203 and ventilation chamber 205 are separate space.
By the separate space of such formation, can limit as much as possible lubricant oil and enter ventilation chamber, lubricant oil is arrived to air-breather and limit.
Yet, because the space on lubricated guide portion 203 and ventilation chamber 205 are separate space, so distributor case 201 easily maximizes, easily cause interfering with each other with the driving source such as motor.Therefore, also may hinder the configuration of driving source parts around.
Technical paper formerly
Patent documentation 1: TOHKEMY 2009-174596 communique
Summary of the invention
The problem that invention will solve
Problem to be solved by this invention is: the space on lubricated guide portion and ventilation chamber are separate space; Casing easily maximizes.
For solving the means of problem
In order to suppress the maximization of casing, lubricate-the ventilation device of power transmitting deice of the present invention is characterised in that, there is the first axle, and can make by the engagement of gear each axle link, above-mentioned the first axle is supported in casing and can rotates freely, and be configured in relatively high position, above-mentioned the first axle is from the opening surface of above-mentioned casing to outer side, between above-mentioned the first axle and the opening of above-mentioned casing, there is sealed department, and the lubricated guide portion with groove shape, this lubricated guide portion receives by with above-mentioned the first axle engagement interlock and be configured in the lubricant oil that the gear of the second axle of relatively low position is dug, and this lubricant oil is guided to above-mentioned sealed department one side, above-mentioned casing has ventilation chamber, this ventilation chamber is communicated with above-mentioned box house via connecting port, and air-breather is installed, the mode of the upper space that comprises above-mentioned lubricated guide portion with above-mentioned ventilation chamber will be lubricated guide portion and will be configured in vent chamber, above-mentioned lubricated guide portion receives above-mentioned lubricant oil from above-mentioned connecting port.
The effect of invention
Because the present invention adopts said structure, the upper space that ventilation chamber comprises lubricated guide portion, therefore can suppress the maximization of casing.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the power transmitting deice of the embodiment of the present invention 1.
The stereogram of the casing main part of Fig. 2 (A) is laying down of the embodiment of the present invention 1 case lid, Fig. 2 (B) is the stereogram of case lid.
The side view of the casing main part of Fig. 3 is laying down of the embodiment of the present invention 1 case lid.
Fig. 4 is the major component enlarged side view of the casing main part of the embodiment of the present invention 1.
Fig. 5 is on the left of the embodiment of the present invention 1 case lid is placed in and the lubricated guide portion that distributor case partial cutaway is shown and the stereogram of ventilation chamber.
Fig. 6 is that the partial cutaway of mobile distributor case of the lubricant oil of the embodiment of the present invention 1 is shown plan view.
Fig. 7 be the embodiment of the present invention 1 lubricant oil the VII-VII line along Fig. 6 flowing to looking sectional view.
Fig. 8 means the major component enlarged side view of the casing main part of the upper space of lubricant oil and the relation of ventilation chamber in conventional example.
Symbol description
1 power transmitting deice
5 distributor casees (casing)
7 hollow connection shafts (the first axle)
9 parallel engaging gears
11 transmission jack shafts (the second axle)
13 parallel engaging gears (gear)
15 quadrature engaging gears (gear)
17 output shafts (the 3rd axle)
19 quadrature engaging gears
21 main body case bodies
25 case lids
47 oil sealings (sealed department)
53 openings
93 lubricated guide portion
95 ventilation chamber
97 air-breathers
97A air-breather mounting hole
99 connecting ports
101 case lid sides are lubricated guide portion
S upper space
Embodiment
In order to suppress the maximization of casing, lubricate-the ventilation device of power transmitting deice 1 of the present invention has the distributor case of being supported in 5 and can rotate freely, and be configured in the relatively hollow connection shaft 7 of high position, and lubricate-ventilation device of power transmitting deice 1 of the present invention can pass through gear 9, 13, 15, 19 engagement makes each axle 7, 11, 17 interlocks, above-mentioned hollow connection shaft 7 is from the opening 53 of above-mentioned distributor case 5 towards outer side, between above-mentioned hollow connection shaft 7 and the opening 53 of above-mentioned distributor case 5, there is oil sealing 47, and the lubricated guide portion 93 with groove shape, this lubricated guide portion 93 receives by with above-mentioned hollow connection shaft 7 engagement interlocks and be configured in the lubricant oil that the quadrature engaging gear 15 of the transmission jack shaft 11 of relatively low position is dug, and this lubricant oil is guided to above-mentioned oil sealing 47 1 sides, above-mentioned distributor case 5 has ventilation chamber 95, this ventilation chamber 95 is via connecting port 99 and above-mentioned distributor case 5 internal communication, and air-breather 97 is installed, the mode of the upper space that comprises above-mentioned lubricated guide portion with above-mentioned ventilation chamber will be lubricated guide portion and will be configured in vent chamber.
Embodiment 1
Fig. 1 is the cross-sectional view of power transmitting deice, Fig. 2 (A) is the stereogram of having laid down the casing main part of case lid, Fig. 2 (B) is the stereogram of case lid, Fig. 3 is the side view of having laid down the casing main part of case lid, Fig. 4 is the major component enlarged side view of casing main part, and Fig. 5 is placed in left side the lubricated guide portion that distributor case partial cutaway is shown and the stereogram of ventilation chamber by case lid.
Power transmitting deice 1 shown in Fig. 1 is configured in the periphery as the axletree jack shaft 3 of a running shaft of front wheel side.As the distributor case 5 of the casing of power transmitting deice 1, be for example installed on the clutch housing (bell housing) as gearbox (transmission) side of fixed side.As power transmitting deice 1, also can adopt the device that is arranged on rear wheel-side.
In distributor case 5, as the hollow connection shaft 7 of the first axle, along extending axially, one end of this first axle and the case of differential of the front differential motion outside figure (differential case) link.Hollow connection shaft 7 is configured in the periphery of axletree jack shaft 3 by Spielpassung, be provided with parallel engaging gear 9 on this hollow connection shaft 7.Parallel engaging gear 13 engagements of this parallel engaging gear 9 and one end of transmission jack shaft 11 as the second axle.The diameter of parallel engaging gear 9 is compared relatively large with parallel engaging gear 13.
The other end at transmission jack shaft 11, is provided with the quadrature engaging gear 15 of (standard) hyperboloid gear (hypoid gear).Quadrature engaging gear 19 engagements of quadrature engaging gear 15 and (standard) hyperboloid gear of rear wheel-side output shaft 17 as the 3rd axle.
Therefore, in device of the present invention, have and be supported in as the distributor case 5 of casing and can rotate freely and be configured in respect to the transmission jack shaft 11 as other axle and rear wheel-side output shaft 17 the hollow connection shaft 7 of conduct first axle of relatively high position, and the engagement of parallel engaging gear 9,13 and the engagement of quadrature engaging gear 15,19 by as gear, can link each axle 7,11,17.By such interlock, the driving that the case of differential by front differential motion can be input to hollow connection shaft 7 outputs to rear wheel-side from rear wheel-side output shaft 17.
Distributor case 5 comprises: supporting hollow connection shaft 7 and transmission jack shaft 11, the first casing part 21 that diaxon can be rotated freely; With supporting wheels side output shaft 17, the second casing part 23 that this rear wheel-side output shaft 17 can be rotated freely.In one end of the first casing part 21, by bolt 27 grades, at a plurality of positions, link fixedly case lid 25.
The first casing part 21 is integrally formed by the first accommodation section 29 and the second accommodation section 31, wherein, the first accommodation section 29 is accommodated hollow connection shaft 7 and is accommodated transmission jack shaft 11, parallel engaging gear 13 and quadrature engaging gear 15 with parallel engaging gear 9, the second accommodation sections 31.
In above-mentioned the first accommodation section 29, in a side of parallel engaging gear 9, be provided with bearing support 33 and sealing support 35.At the opposite side of parallel engaging gear 9, at case lid 25, be provided with bearing support 37 and sealing support 39.
The hollow connection shaft 7 that is made as one with above-mentioned parallel engaging gear 9 is supported in bearing support 33,37 and can be rotated freely by bearing 41,43.At sealing support 35,39, oil sealing 45,47 is installed as sealed department, this oil sealing 45,47 and hollow connection shaft 7 periphery close contacts, and can relative sliding.
The combination of periphery that is formed at hollow connection shaft 7 one end is outstanding from the opening 51 of one end of the first accommodation section 29 with spline part 49, carries out spline engage with the case of differential outside figure.
The other end of hollow connection shaft 7 is also more outstanding to outside than oil sealing 47, and from the opening 53 of the other end of the first accommodation section 29 towards outside.
Therefore,, with respect to the transmission jack shaft 11 as the second axle with as the rear wheel-side output shaft 17 of the 3rd axle, be configured in relatively the hollow connection shaft 7 of conduct first axle of high position and be from the opening 53 of the distributor case 5 as casing and more rely on outside structure.In addition, between the hollow connection shaft 7 as the first axle and the opening 53 as the distributor case 5 of casing, be provided with the oil sealing 47 as sealed department.
The second accommodation section 31 has closure wall portion 55 in one end of transmission jack shaft 11, and case lid 25 has closure wall portion 57 at the other end of transmission jack shaft 11.
In closure wall portion 55, be provided with bearing support 59, in closure wall portion 57, be provided with bearing support 61.The two ends of transmission jack shaft 11 are bearing in bearing support 59,61 and can rotate freely with bearing 63,65.
The second casing part 23 supporting wheels side output shafts 17.The chimeric opening 69 that is installed on of the second casing part 23, links fixing by not shown bolt.Opening 69 is formed on the second accommodation section 31 of the first casing part 21, points to rear wheel-side outbound course.
Periphery in one end of the second casing part 23 is provided with O shape ring 73, with the interior all close contacts of opening 69.
In the second casing part 23, be provided with bearing support 75,77 and sealing support 79.The second accommodation section 31 1 sides of the first casing part 21 are led in the inside of the second casing part 23, the lubricant oil of being dug can be imported to the inside of the second casing part 23 in the second accommodation section 31 1 sides.
Rear wheel-side output shaft 17 can rotate freely and be supported in bearing support 75,77 with bearing 81,83.Coupling 85 is chimeric with the outer end spline of rear wheel-side output shaft 17.This coupling 85 is fixed by the nut 87 screwing togather with rear wheel-side output shaft 17, to prevent that it from coming off.
At above-mentioned sealing support 79, oil sealing 89 is installed, this oil sealing 89 and coupling 85 close contacts, and can relative sliding.Coupling 85 is provided with dust-proof cover 91 to cover the outside of oil sealing 89.
Lubricated guide portion and ventilation chamber
As shown in Fig. 2~Fig. 5, in the present embodiment, lubricated guide portion 93 and the distributor case 5 of chute shape are made as one.But also can by lubricating guide portion 93, to be made as with distributor case be split.
Distributor case 5 is formed with ventilation chamber 95.Lubricated guide portion 93 is configured in ventilation chamber 95.Thus, the upper space that ventilation chamber 95 comprises lubricated guide portion 93.In addition, as shown in Figure 5, also can, at the bearing of trend of lubricated guide portion 93, the size of ventilation chamber 95 be set as being less than to the size of lubricated guide portion 93.In the example of Fig. 5, ventilation chamber 95 is configured in the oblique downside of lubricated guide portion 93.Ventilation chamber 95 also can be configured in the oblique upside of lubricated guide portion 93.In this case, preferably at the interior cushion plate etc. that arranges of ventilation chamber 95.
Lubricated guide portion 93 receives by the gear of the second axle at oblique upside, be mainly the lubricant oil that the quadrature engaging gear 15 of transmission jack shaft 11 is dug, and guide this lubricant oil into bearing 43 and oil sealing 47 1 sides.In addition,, as the gear of the second axle that lubricant oil is dug, also can adopt the structure of parallel engaging gear.
This lubricated guide portion 93 is configured to be roughly parallel to this transmission jack shaft along the top of transmission jack shaft 11, and downward-sloping and be drawn towards bearing 43 and oil sealing 47 1 sides.This lubricated guide portion 93 is stretched out from the closure wall portion 55 of the second accommodation section 31, is one with this closure wall portion 55, and linearly extension is until the junction plane 21a that case lid 25 docks with the first casing part 21.
In lubricated guide portion 93, from oblique upside until oblique downside is formed with anterior riser portions 93a.At oblique upside, the outside wall portions 21b internal surface subtend along the first casing part 21 forms anterior riser portions 93a.Along lubricated guide portion 93 until the junction plane 21a of the first casing part 21 forms anterior riser portions 93a.
Lubricated guide portion 93, in the corresponding part of ventilation chamber 95 with oblique downside, forms the rear portion riser portions 93b opposed and higher than anterior riser portions 93a with anterior riser portions 93a.
On the top of ventilation chamber 95, with air-breather mounting hole, 97A is provided with air-breather 97.Ventilation chamber 95 is communicated with the first accommodation section 29 1 sides in distributor case 5 with connecting port 99.The edge part 95a of ventilation chamber 95 the oblique downside of lubricated guide portion 93 be positioned at anterior riser portions 93a above and form connecting port 99.
Ventilation chamber 95 is formed at the junction plane 21a of the first casing part 21 at the oblique downside of lubricated guide portion 93.By this configuration, ventilation chamber 95, with respect to the quadrature engaging gear 15 of the lubricant oil that is mainly used in stirring, is offset to the oblique downside as the opposite side of lubricated guide portion 93.
Ventilation chamber 95 comprises: on cross section until the outside wall portions 21c of junction plane 21a; With with this outside wall portions 21c quadrature and until the 21d of midfeather portion of the outside wall portions 21b of the first casing part 21.The rear portion riser portions 93b of lubricated guide portion 93 is formed at from junction plane 21a until the 21d of midfeather portion.
In ventilation chamber 95, inside is formed with on longitudinal section first arcuation wall portion 95b and the second arcuation wall portion 95c continuous with outside wall portions 21c.
The first arcuation wall 95b of portion is concentric shape with the large diameter in periphery footpath of the quadrature engaging gear 15 than transmission jack shaft 11 and is bent to form, and forms one with lubricated guide portion 93.This first arcuation wall 95b of portion extends from the rear portion riser portions 93b of lubricated guide portion 93, is combined into one with the internal surface of outside wall portions 21c.
The second arcuation wall 95c of portion is concentric shape with the large diameter in periphery footpath than the parallel engaging gear 9 of hollow connection shaft 7 and is bent to form, and is formed with the above-mentioned edge part 95a of ventilation chamber 95 in its lower end, and its upper end and outside wall portions 21c mono-side are combined into one.Ventilation chamber 95 is sealed by case lid 25 at junction plane 21a place.
Case lid 25 has the lubricated guide portion 101 of the side of lid, and the lubricated guide portion 101 of this lid side guides the lubricant oil being received by lubricated guide portion 93 to bearing 43 and oil sealing 47 1 sides.
The lubricated guide portion 101 of lid side is connected in the junction plane 25a mode continuous with the bottom surface 93c of lubricated guide portion 93 with its upper surface.The lubricated guide portion 101 of this lid side is formed by notch part 103, is set as having a down dip between bearing 43 and oil sealing 47.The front end 101a of the lubricated guide portion 101 of lid side is towards between the bearing support 37 and sealing support 39 of case lid 25, makes the lubricant oil can be towards oil sealing 47 1 side flow.
Lubricated
Lubricant oil is housed in distributor case 5, until reach near the height of the tooth portion submergence of the parallel engaging gear 9 of hollow connection shaft 7.
When transmission of power, once 15 rotations of quadrature engaging gear, lubricant oil just will be dug by quadrature engaging gear 15 as shown in the arrow A of Fig. 3, to lubricated guide portion 93 sides, disperses.
The lubricant oil dispersing is bumped etc. and to be entered into the oblique upside of lubricated guide portion 93 by the outside wall portions 21b internal surface with the first casing part 21.
The lubricant oil utilization that enters into the oblique upside of lubricated guide portion 93 is lubricated the portion that has a down dip of guide portion 93 and according to directed flowing shown in the arrow B of Fig. 6, is directed to and covers the lubricated guide portion 101 of side.
On the lubricated guide portion 101 of lid side, can utilize it to tilt the direction guiding of lubricant oil forward end 101a, and can be from front end 101a oil sealing 47 1 sides that lead as shown by arrow C.
Therefore, can be by lubricated guide portion 93 and the lubricated guide portion 101 of lid side, the lubricant oil of digging is smooth and easy and to oil sealing 47 sides, guide fully.
Air in distributor case 5 is directed to ventilation chamber 95 from connecting port 99, and discharges from air-breather 97.
Like this, the lubricant oil of being dug by the quadrature engaging gear 15 of the oblique upside of lubricated guide portion 93 and the internal surface collision of outside wall portions 21b etc. and be housed in the oblique upside of lubricated guide portion 93, this lubricant oil without any confusion towards be positioned at ventilation chamber 95 below lubricated guide portion 93 tiltedly descend side flow.
Therefore can suppress even to prevent that lubricant oil from being introduced the harmful effect that ventilatory function is produced causing in ventilation chamber 95 in a large number.
In addition, although the oblique downside in lubricated guide portion 93, by parallel engaging gear 13, also lubricant oil can be dug, but because the diameter of parallel engaging gear 13 is less and away from ventilation chamber 95, so the lubricant oil that can suppress to disperse invades ventilation chamber 95 inside from connecting port 99.
The rear portion riser portions 93b of the lubricated guide portion 93 of lubricant oil entering from connecting port 99 receives, and is accommodated to lubricated guide portion 93, and to lubricated guide portion 101 side flow of lid side.
Lubricated guide portion 93 is in the form of slot, at oblique upside, along the outside wall portions 21b internal surface subtend of the first casing part 21, forms anterior riser portions 93a.Anterior riser portions 93a forms along lubricated guide portion 93, until the junction plane 21a of the first casing part 21.And ventilation chamber 95 comprises: on cross section until the outside wall portions 21c of junction plane 21a; With with this outside wall portions 21c quadrature and until the 21d of midfeather portion of the outside wall portions 21b of the first casing part 21.The rear portion riser portions 93b of ventilation chamber 95 is formed at from junction plane 21a until the part of the 21d of midfeather portion.
Can simplify thus the perforation shape towards junction plane 21a direction of the inner space of the first casing part 21.
Distributor case 5 comprises lubricated guide portion 93 and ventilation chamber 95, and ventilation chamber 95 configures in the mode of the upper space S of the oblique downside that comprises lubricated guide portion 93.
Outstanding to outside of the distributor case 5 that caused by lubricated guide portion 93 and ventilation chamber 95 can be limited thus, the maximization of distributor case 5 can be suppressed.
According to embodiments of the invention, as shown in drawings, power transmitting deice 1 comprises: casing 5; Be supported in casing 5, can rotate freely, the first axle 7 from the opening 53 of casing 5 towards the outer side of casing 5; The second axle 11 with the first axle 7 interlocks; Be arranged on the sealed department 47 between the first axle 7 and the opening 53 of casing 5; Lubricated guide portion 93 by from the lubricant oil of being dug by the gear 13,15 that is arranged on the second axle 11 to the groove shape of sealed department 47 side guiding; With via connecting port 99, be communicated with casing 5 is interior, and the ventilation chamber 95 of air-breather 97 is installed.Lubricated guide portion 93 is configured in ventilation chamber 95.
By a side joint that lubricates the bearing of trend of guide portion 93, receive the lubricant oil of being dug by the gear 13,15 of the second axle 11.Air-breather 97 is configured in the opposite side of the bearing of trend of lubricated guide portion 93.That is, with the position that is arranged on ventilation chamber 95 of air-breather 97, stagger in the position of the lubricant oil that the reception of lubricated guide portion 93 is dug by the gear 13,15 of the second axle 11 on the bearing of trend of lubricated guide portion 93.
In addition, power transmitting deice 1 also has the 3rd axle 17 that is supported on casing 5 and can rotates freely.Be located at the parallel engaging gear 9 and parallel engaging gear 13 engagements of being located at the second axle 11 of the first axle 7.Be located at the quadrature engaging gear 15 and quadrature engaging gear 19 engagements of being located at the 3rd axle 17 of the second axle 11.Casing 5 is formed with the outer circumference diameter that diameter is greater than the quadrature engaging gear 15 of the second axle 11, and is the first arcuation wall 95b of portion of concentric sigmoid with the quadrature engaging gear 15 of the second axle 11; Be greater than the outer circumference diameter of the parallel engaging gear 9 of the first axle 7 with diameter, and be the second arcuation wall 95c of portion of concentric sigmoid with the parallel engaging gear 9 of the first axle 7.Connecting port 99 is formed between the first arcuation wall 95b of portion and the second arcuation wall 95c of portion.
The gear of being located at the second axle 11 that lubricant oil is dug is wherein arbitrary gear of being located at the parallel engaging gear 13 of the second axle 11 or being located at the quadrature engaging gear 15 of the second axle 11.Casing 5 has: accommodate the first axle 7 and the second axle 11, and support the main body case body 21 that respectively a side enables to rotate freely of diaxon; Be connected and fixed on this main body case body 21, there is opening 53, and support the case lid 25 that the first axle 7 and the second axle 11 can rotate freely diaxon.This case lid 25 is provided with the end of lubricated guide portion 93 the lubricated guide portion 101 of lid side of joining, the lubricant oil being received by lubricated guide portion 93 being guided to sealed department 47 sides.

Claims (5)

1. a power transmitting deice, is characterized in that, comprising:
Casing;
The first axle, described the first axle is supported in described casing can rotating freely, the outer side of described the first axle from the opening surface of described casing to described casing;
The second axle, described the second axle and described the first axle interlock;
Sealed department, described sealed department is arranged between the described opening of described the first axle and described casing;
Lubricated guide portion, described lubricated guide portion is in the form of slot, and the lubricant oil of being dug by the gear that is arranged on described the second axle is guided to described sealed department one side; With
Ventilation chamber, described ventilation chamber is via the internal communication of connecting port and described casing, and air-breather is installed,
Described lubricated guide portion is configured in described vent chamber.
2. power transmitting deice as claimed in claim 1, is characterized in that,
A side joint by the bearing of trend of described lubricated guide portion is received the lubricant oil of being dug by the gear of described the second axle,
Described air-breather is configured in the opposite side of the described bearing of trend of described lubricated guide portion,
The reception of described lubricated guide portion is stirred by the gear of described the second axle and the position of the lubricant oil that rises, with the position that is arranged on described ventilation chamber of described air-breather, on the bearing of trend of described lubricated guide portion, staggers.
3. power transmitting deice as claimed in claim 1 or 2, is characterized in that,
Described actuating unit also has the 3rd axle that is supported in described casing and can rotates freely,
Be arranged on the parallel engaging gear and the parallel engaging gear engagement that is arranged on described the second axle of described the first axle,
Be arranged on the quadrature engaging gear and the quadrature engaging gear engagement that is arranged on described the 3rd axle of described the second axle,
Described casing is formed with:
The first arcuation wall portion, the diameter of described the first arcuation wall portion is greater than the outer circumference diameter of the quadrature engaging gear of described the second axle, and bends to the quadrature engaging gear of described the second axle and be concentric shape; With
The second arcuation wall portion, the diameter of described the second arcuation wall portion is greater than the outer circumference diameter of the parallel engaging gear of described the first axle, and bends to the parallel engaging gear of described the first axle and be concentric shape,
Described connecting port is formed between described the first arcuation wall portion and described the second arcuation wall portion.
4. power transmitting deice as claimed in claim 1 or 2, is characterized in that,
The described gear that is arranged on described the second axle is any gear among quadrature engaging gear or parallel engaging gear, wherein, described quadrature engaging gear meshes with the quadrature engaging gear of the 3rd axle that is supported in described casing and can rotates freely, described parallel engaging gear meshes with the parallel engaging gear of described the first axle
Described casing comprises main body case body and case lid, and described main body case body is accommodated described the first axle and described the second axle, and supports each side of described the first axle and described the second axle, and described the first axle and described the second axle can be rotated freely; Described case lid is connected and fixed on described main body case body, has described opening, and supports described the first axle and described the second axle, and described the first axle and described the second axle can be rotated freely,
Described case lid is provided with and covers the lubricated guide portion of side, and the end of the lubricated guide portion of described lid side and described lubricated guide portion joins, and the lubricant oil being received by described lubricated guide portion is guided to described sealed department one side.
5. power transmitting deice as claimed in claim 3, is characterized in that:
The described gear that is arranged on described the second axle of lubricant oil being stirred and rising is to be arranged at the described parallel engaging gear of described the second axle or to be arranged at the arbitrary gear in the described quadrature engaging gear of described the second axle,
Described casing comprises main body case body and case lid, and described main body case body is accommodated described the first axle and described the second axle, and supports each side of described the first axle and described the second axle, and described the first axle and described the second axle can be rotated freely; Described case lid is connected and fixed on described main body case body, has described opening, and supports described the first axle and described the second axle, and described the first axle and described the second axle can be rotated freely,
Described case lid is provided with and covers the lubricated guide portion of side, and the end of the lubricated guide portion of described lid side and described lubricated guide portion joins, and the lubricant oil being received by described lubricated guide portion is guided to described sealed department one side.
CN201310291469.0A 2012-07-11 2013-07-11 Lubrication-the ventilation device of power transmission Expired - Fee Related CN103542079B (en)

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JP2012155980A JP5952665B2 (en) 2012-07-11 2012-07-11 Lubrication and breather structure of power transmission equipment
JP2012-155980 2012-07-11

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