CN103322175A - Lubricating device of power transmission mechanism - Google Patents
Lubricating device of power transmission mechanism Download PDFInfo
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- CN103322175A CN103322175A CN2013100913231A CN201310091323A CN103322175A CN 103322175 A CN103322175 A CN 103322175A CN 2013100913231 A CN2013100913231 A CN 2013100913231A CN 201310091323 A CN201310091323 A CN 201310091323A CN 103322175 A CN103322175 A CN 103322175A
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Abstract
The present invention provides a lubricating device of a power transmission mechanism. The lubricating device of the power transmission mechanism can reduce the number of parts and prevent from being mixed up with air on the condition of an oil surface inclining. A baffle (20) is equipped with a baffle main body (21) which is arc-shaped when being observed from the rotary axis direction of a gear (G), and is extended along the rotary axis direction; a cylinder part (22) which possesses an oil sucking port (22c) at the underside side of a gearbox, and is extended along the rotary axis direction towards a circulation channel opening part (14); and a surface part (23)which connects the baffle main body (21) and the cylinder part (22), and is extended along the rotary axis direction. The cylinder part (22) is inserted in the circulation channel opening part (14).
Description
Technical field
The present invention relates to utilize the lubricating fitting of the power transmission mechanism that oil pump is lubricated gear.
Background technique
In patent documentation 1, such as Fig. 8 and shown in Figure 9, suction guide (suction guide) 103 suction that utilization is configured in housing bottom is filled to the lubricant oil of the height that the part that is accommodated in the gear 102 in the housing 101 immerses, and the lubricant oil that aspirates out is supplied to each position in gear or the device etc. from oil pump 104 via oil filter 105.In this lubricating fitting, record such content, owing to will aspirate sense of rotation the place ahead that guide 103 is configured in the gear 102 on the housing bottom, even since with the rotating photo of gear 102 follow to the stirring of lubricant oil and so that when the liquid level of lubricant oil produces, also can guarantee to be drawn into sufficient lubricant oil.
In addition, record such content: by this gear 102 around baffle plate (baffle plate) 106 is set, thereby can suppress the stirring of lubricant oil is made liquid level stabilizing.
Patent documentation 1: TOHKEMY 2003-130188 communique
, in patent documentation 1 described lubricating fitting, about in the situation that the air that pasta tilts sandwiches (エ ア Nogami body) reply, have the leeway of improvement.In addition, need to make respectively baffle plate 106 and suction guide 103, also have the problem of the simplification etc. of number of components, manufacturing process.
Summary of the invention
The present invention finishes in view of above-mentioned problem, and its purpose is to provide a kind of lubricating fitting of power transmission mechanism, can either cut down number of components and can be suppressed at again in the situation that pasta tilts and sandwich air.
To achieve these goals, technological scheme 1 described invention is the lubricating fitting of power transmission mechanism (for example, the speed changer 10 of mode of execution described later), and the lubricating fitting of described power transmission mechanism possesses:
Housing (for example, the gearbox casing 11 of mode of execution described later), it is provided with for to oil pump (for example, the oil pump 44 of mode of execution described later) supplying lubricating oil (for example, the oil of mode of execution described later) lubricant oil suction port (for example, the circulation canal opening portion 14 of mode of execution described later);
At least one gear (for example, the gear G of mode of execution described later), it is located at the inside of this housing, and can rotate around spin axis; And
Baffle plate (for example, the baffle plate 20 of mode of execution described later), it is configured between the bottom surface of described gear and described housing,
Described lubricant oil is stored in described housing, at least a portion immersion of described gear,
The lubricating fitting of described power transmission mechanism is characterised in that,
Described baffle plate has:
Baffle plate main body (for example, the baffle plate main body 21 of mode of execution described later), it is being circular shape when the spin axis direction is observed, and extends along described spin axis direction;
Cylinder section (for example, the cylinder section 22 of mode of execution described later), its underside side at described housing has opening portion (for example, the through oil hole 22c of mode of execution described later), and extends along described spin axis direction towards described lubricant oil suction port; And
Facial (for example, the face 23 of mode of execution described later), it is connected described baffle plate main body with described cylinder section, and along described spin axis direction extension,
Described cylinder section is inserted in described lubricant oil suction port.
In addition, technological scheme 2 described inventions are characterised in that, on the basis of technological scheme 1 described structure,
Described face has: the 1st rib (for example, the cross rib 37,38 of mode of execution described later), and it extends along described spin axis direction; With the 2nd rib (for example, the vertical rib 34,35,36 of mode of execution described later), it is along extending with the direction of described the 1st rib quadrature.
In addition, technological scheme 3 described inventions are characterised in that, on the basis of technological scheme 2 described structures,
Described the 1st rib and described the 2nd rib are configured in a side (for example, a side 23a of the mode of execution described later) side of described face,
A side of described face is across described the 1st rib and described the 2nd rib and opposed with the wall section (for example, the boss 15 of mode of execution described later) of described housing.
In addition, technological scheme 4 described inventions are characterised in that, on the basis of the described structure of any one in technological scheme 1～3,
Described gear is positioned at foot in vertical direction in a plurality of gears that consist of gear.
In addition, technological scheme 5 described inventions are characterised in that, on the basis of the described structure of any one in technological scheme 1～4,
Described cylinder section is pressed in described lubricant oil suction port,
The position below the vertical direction of being positioned in described cylinder section is provided with and is pressed into rib (for example, mode of execution described later be pressed into rib 39), and when described cylinder section was pressed into described lubricant oil suction port, the described rib that is pressed into was by conquassation.
(invention effect)
According to technological scheme 1 described invention, form along the cylinder section of the conduct suction guide of spin axis direction extension at baffle plate, and arrange to the opening portion of the underside side opening of housing in this one, therefore, even in the situation that the pasta of the lubricant oil that is stored in housing tilts, opening portion can not expose from lubricant oil yet, sandwiches thereby can suppress that air occurs.
In addition, owing to can come with respect to the housing fixed dam by cylinder section being inserted into the lubricant oil suction port, therefore, can also make a section securing clamping element performance function, thereby can simplify manufacturing process by the quantity that reduces clamping element.
In addition, in the past, need to make respectively suction guide and baffle plate, but owing to making the cylinder section as the suction guide be integrally formed in the baffle plate main body, therefore, can when simplifying manufacturing process, cut down number of components.
According to technological scheme 2 described inventions, can improve facial rigidity.Thus, can easily cylinder section be pressed into the lubricant oil suction port.
According to technological scheme 3 described inventions, the side that is formed with the 1st and the 2nd rib of the face of baffle plate and the wall section of housing are opposed, thus, the flow adjustment that is stored in the lubricant oil of housing can be become the wall section along housing.In addition, interfere with the lubricant oil that flows owing to being formed at the 1st rib and the 2nd rib of face, therefore can reduce the flow velocity of lubricant oil.
According to technological scheme 4 described inventions, be integrally formed in baffle plate in the setting of the gear of foot by making cylinder section as the suction guide, can make the baffle plate miniaturization.
According to technological scheme 5 described inventions, owing to when cylinder section is pressed into the lubricant oil suction port, being pressed into rib by conquassation, therefore cylinder section can be embedded in the lubricant oil suction port very close to each otherly, even in the situation that pasta tilts, also suppress to occur air and sandwich phenomenon.
Description of drawings
(a) of Fig. 1 and (b) be the figure that the power transmission mechanism of the automobile-use that possesses lubricating fitting of the present invention is shown (a) is the figure that observes internally the 1st housing and gear, (b) is the figure that observes internally the 2nd housing.
Fig. 2 is along the sectional view of the A-A line of Fig. 1 (a).
Fig. 3 is the stereogram from the oblique upper viewing hood.
Fig. 4 is the stereogram from oblique beneath baffle plate.
Fig. 5 is the sectional view along the B-B line of Fig. 2.
Fig. 6 is the figure that the variation of rib is shown.
(a) of Fig. 7 is the figure that the variation of a section is shown, and (b) is the sectional view along the C-C line of (a).
Fig. 8 is the sectional view of the lubricating fitting of patent documentation 1 record.
Fig. 9 is the sectional view along the D-D line of Fig. 8.
Label declaration
10: speed changer (power transmission mechanism);
11: gearbox casing (housing);
14: circulation canal opening portion (lubricant oil suction port);
15: boss (wall section);
20: baffle plate;
21: the baffle plate main body;
22: cylinder section;
22c: through oil hole (opening portion);
23: face;
23a a: side;
34,35,36: vertical rib (the 2nd rib);
37,38: cross rib (the 1st rib);
39: be pressed into rib;
44: oil pump;
G: gear.
Embodiment
Below, based on Fig. 1～Fig. 5 a mode of execution of the lubricating fitting of power transmission mechanism of the present invention (below be called speed changer) is described.
Such as (a) of Fig. 1 with (b), the speed changer 10 of automobile-use has gear and not shown motor in the internal configurations of the gearbox casing 11 that is formed by the 1st housing 11A and the 2nd housing 11B, and described gear is by to consist of with respect to the 1st main shaft MS1, the 2nd main shaft MS2, lazy axle IS, jack shaft CS, reverse gear shaft RS and the differential mechanism D of the vertical direction of paper as spin axis.And shown in the arrow among Fig. 1, this speed changer 10 is configured to, and what make paper becomes up and down above-below direction on the vertical direction, and, will be made as fore-and-aft direction about paper, making differential mechanism D side is the place ahead, making the reverse gear shaft side is the rear.Therefore, it is parallel with the overall width direction of vehicle that the spin axis of each axle becomes, and in the following description, the overall width direction refers to the spin axis direction.
Power from not shown motor and/or motor is inputted from the 1st main shaft MS1, and constitutes and can export jack shaft CS to.In addition, constitute, the power that is input to the 1st main shaft MS1 can also be input to the 2nd main shaft MS2 via lazy axle IS, and constitutes, and the power that is input to the 2nd main shaft MS2 can export jack shaft CS to.In addition, constitute, the power that is input to the 1st main shaft MS1 can also be passed to reverse gear shaft RS, thereby constitutes, and can export jack shaft CS to via lazy axle IS, the 2nd main shaft MS2 from reverse gear shaft RS.In addition, be provided with for the shift member of change gear ((a) at Fig. 1 only illustrates a part of gear) with the engagement of gear at each axle, thereby can realize the selection of gear and the switching of moving bang path.The power that is passed to jack shaft CS is imported into differential mechanism D, thereby exports not shown wheel to.
Also with reference to Fig. 2, be formed with fuel reserve tank 12 and oily circulation canal 13 in the bottom of gearbox casing 11, described fuel reserve tank 12 is used for storing the oil of the cooling usefulness that doubles as lubricated usefulness and motor, described oily circulation canal 13 is used for oil is supplied to not shown oil filter, the circulation canal opening portion 14 of oily circulation canal 13 on the overall width direction towards the left side opening.In fuel reserve tank 12, at least a portion of being located at the gear G of the 2nd main shaft MS2 immerses in the oil, and the 2nd main shaft MS2 is positioned at foot in vertical direction.In addition, the oil of supplying with from oily circulation canal 13 is recycled to the oil pump 44 that configures on the top of gearbox casing 11 from fuel sucking pipe 42 by not shown oil filter, be supplied to the engaging piece of each axle, gear etc. by lubrication management 46 from oil pump 44.
Be positioned at the 2nd main shaft MS2 of foot along vertical direction, be provided with baffle plate 20 in the mode of the below that is centered around the gear G that the 2nd main shaft MS2 forms.As shown in Figure 3 and Figure 4, baffle plate 20 forms following part integratedly: baffle plate main body 21, and it is being circular shape when the overall width direction is observed, and extends along the overall width direction; Cylinder section 22, it is positioned at the below of baffle plate main body 21 and extends along the overall width direction; And the face 23 of essentially rectangular shape, it is connected baffle plate main body 21 and extends along the overall width direction with cylinder section 22.
Baffle plate main body 21 has played following effect etc.: the rotation of the gear G by being formed at the 2nd main shaft MS2 is dispersed inner oil, thereby the pastas in the baffle plate main body 21 are descended, and reduces thus the rotational resistance of gear G.Label 25, the 26th is for the clamping element that baffle plate 20 is fixed to gearbox casing 11.
Be formed with 3 vertical ribs 34,35,36 at the face 23 that connects this baffle plate main body 21 and cylinder section 22, these 3 vertical ribs 34,35,36 side 23a at face 23 extend along vertical direction with predetermined width, and, between 2 vertical ribs 35,36 of rear side, be formed with 2 cross ribs 37,38 that extend along the overall width direction with same width.That is, vertical rib 34,35,36 with cross rib 37, the 38 direction extensions along quadrature.As shown in Figure 5, a side 23a of facial 23 is configured to boss 15 opposed, and this boss 15 is formed at the substantial middle of fore-and-aft direction of the bottom of gearbox casing 11.
Clamping element 25 is installed on the clamping element engagement portion 16(that forms at the sidewall of the 1st housing 11A with reference to Fig. 1 (a)), and the front end 22a of cylinder section 22 is pressed into circulation canal opening portion 14, thus, the baffle plate 20 of formation is fixed in the 1st housing 11A like this.In addition, when the 2nd housing 11B is mounted to the 1st housing 11A, by clamping element 26 being installed on the clamping element engagement portion 17(that forms at the sidewall of the 2nd housing 11B with reference to Fig. 1 (b)), thus, baffle plate 20 also is fixed in the 2nd housing 11B.
In the lubricating fitting of the speed changer 10 that consists of like this, by making oil pump 44 runnings, thus oil is supplied to the engaging piece of each axle, gear etc. by lubrication management 46, and, the oil that is stored in fuel reserve tank 12 is recycled to oil pump 44 from the through oil hole 22c that arranges via oily circulation canal 13, oil filter, fuel sucking pipe 42 below cylinder section 22.By making like this oil circulation, realized to the lubricated of gear with to the cooling of motor.
At this, the pasta that is stored in the oil of fuel reserve tank 12 based on Fig. 2 when turning describes.
Among Fig. 2, the pasta when single-point line P represents to turn left, the pasta when single-point line Q represents to bend to right.
When turning left, oil is subject to centrifugal force and is stored in the vehicle right side, so that pasta tilts from the vehicle right side to vehicle left side, when bending to right, oil is subject to centrifugal force and is stored in vehicle left side, so that pasta tilts to the vehicle right side from vehicle left side.At this, oil flows to vehicle left side when bending to right, and therefore, if there is not a section 22, then the circulation canal opening portion 14 of oily circulation canal 13 can expose from pasta, might sandwich air.
To this, in the present invention, form a section 22 in baffle plate main body 21, the rearward end 22b that through oil hole 22c forms in cylinder section 22 is to the underside side opening, therefore, even through oil hole 22c also is arranged in oil all the time when bending to right, has therefore suppressed the generation air and sandwiched.Like this, no matter in the situation that vehicle to which side to turning, through oil hole 22c can not expose from oil when turning, and suppresses to occur air and sandwiches, and can realize thus smoothly oil circulation.Although also can prevent air and sandwich by being increased in the fuel reserve tank 12 oil mass that stores, if increase oil mass, the churn loss that then causes because of the rotation of gear or pull loss and can increase, thus cause Efficiency Decreasing.According to the present invention, can be in the situation that do not increase oil mass and air suppress to occur sandwich.
Next, based on Fig. 5 during to anxious the acceleration or when upward slope the pasta that is stored in the oil of fuel reserve tank 12 describe.
When in the drawings, single-point line R represents anxious the acceleration or the pasta in when upward slope.When anxious the acceleration or when upward slope, oil is stored in rear view of vehicle, pasta tilts to rear view of vehicle from vehicle front, fuel reserve tank 12 cross boss 15 and to the gear side flow by the oil of differential mechanism D side, but this moment, because the face 23 of baffle plate 20 is to configure with boss 15 opposed modes, therefore, as shown by arrows in FIG., oil is stopped by a side 23a of face 23 and flows along boss 15.
In addition, owing to being formed with 2 cross ribs 37,38 that extend along the overall width direction with predetermined width at a side 23a of facial 23, therefore, interfering and slowed down from the oil of the differential mechanism D side direction gear side flow of fuel reserve tank 12 and 2 cross ribs 37,38.Thus, suppressed a large amount of oil in gearbox casing 11 quickly the place ahead from vehicle flow to the rear, therefore, even when the pasta change, oil also flows to through oil hole 22c, sandwiches thereby suppress to occur air.
And, can Set arbitrarily vertical rib 34,35,36 and cross rib 37,38 shape, width, quantity etc.In addition, as shown in Figure 6, also can change the angle of rib.At this, the cross rib 37 of the top in the cross rib 37,38 is formed along with tilting from the rear towards the place ahead downwards.Thus, make by boss 15 and cross rib 37 to flow into area along with dwindling gradually from the top towards the below, thereby can make oil more smooth and easy from flowing of the differential mechanism D side direction gear side of fuel reserve tank 12.
As described above, according to present embodiment, owing to making the cylinder section 22 as the suction guide be integrally formed in baffle plate main body 21, thus, manufacturing process can be simplified, number of components can be cut down simultaneously.In addition, owing to being provided with to the through oil hole 22c of the underside side opening of gearbox casing 11 in this one 22, therefore, even in the situation that has occured to tilt at the pasta that is stored in the oil of gearbox casing 11 when Ackermann steer angle etc., through oil hole 22c can not expose from oil yet, sandwiches thereby can suppress that air occurs.
In addition, because can be by cylinder section 22 being pressed into circulation canal opening portion 14 with respect to gearbox casing 11 fixed dams 20, therefore, can make a section 22 securing clamping element performance functions, thereby can simplify manufacturing process by the quantity that reduces clamping element.At this moment and since utilize connect vertical rib 34,35 that the face 23 of baffle plate main body 21 with cylinder section 22 arrange, 36 and cross rib 37,38 guaranteed rigidity, so can easily be pressed into.
In addition, facial 23 have played such function: the flow adjustment that will be stored in the oil of fuel reserve tank 12 becomes with the wall of boss 15 grades of gearbox casing 11 opposed to each other along the wall of gearbox casing 11, cross rib 37,38 has played the function of the flow velocity reduction that makes oil, therefore, avoided a large amount of oil to flow quickly, even and oil also flows towards through oil hole 22c when the pasta change, sandwiches thereby suppressed the generation air.
And the present invention is not limited to above-mentioned mode of execution, can carry out suitable distortion, improvement etc.
For example, such as (a) of Fig. 7 with (b), also can the end side of cylinder section 22 and be positioned at below the vertical direction, the part setting of 14 butts of circulation canal opening portion of oil circulation canal 13 was pressed into rib 39 when described cylinder section was pressed into.Thus, when being pressed into circulation canal opening portion 14, cylinder section 22 is pressed into rib 39 by conquassation, thereby make a 22a of section be embedded in circulation canal opening portion 14, particularly, can prevent from producing the gap above the vertical direction of the 22a of cylinder section and between the circulation canal opening portion 14, in the situation that pasta tilts can suppress that also air occurs to sandwich.
Claims (5)
1. the lubricating fitting of a power transmission mechanism, the lubricating fitting of described power transmission mechanism possesses:
Housing, it is provided with for the lubricant oil suction port to the oil pump supplying lubricating oil;
At least one gear, it is located at the inside of this housing, and can rotate around spin axis; And
Baffle plate, it is configured between the bottom surface of described gear and described housing,
Described lubricant oil is stored in described housing, at least a portion immersion of described gear,
The lubricating fitting of described power transmission mechanism is characterised in that,
Described baffle plate has:
The baffle plate main body, it is being circular shape when the spin axis direction is observed, and extends along described spin axis direction;
Cylinder section, its underside side at described housing has opening portion, and extends along described spin axis direction towards described lubricant oil suction port; And
Face, it is connected described baffle plate main body with described cylinder section, and extends along described spin axis direction,
Described cylinder section is inserted in described lubricant oil suction port.
2. the lubricating fitting of power transmission mechanism according to claim 1 is characterized in that,
Described face has:
The 1st rib, it extends along described spin axis direction; With
The 2nd rib, it is along extending with the direction of described the 1st rib quadrature.
3. the lubricating fitting of power transmission mechanism according to claim 2 is characterized in that,
Described the 1st rib and described the 2nd rib are configured in a side of described face,
A side of described face is across described the 1st rib and described the 2nd rib and opposed with the wall of described housing.
4. the lubricating fitting of any one the described power transmission mechanism according to claim 1～3 is characterized in that,
Described gear is positioned at foot in vertical direction in a plurality of gears that consist of gear.
5. the lubricating fitting of any one the described power transmission mechanism according to claim 1～4 is characterized in that,
Described cylinder section is pressed in described lubricant oil suction port,
The position below the vertical direction of being positioned in described cylinder section is provided with and is pressed into rib, and when described cylinder section was pressed into described lubricant oil suction port, the described rib that is pressed into was by conquassation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012065927A JP2013194891A (en) | 2012-03-22 | 2012-03-22 | Lubricating device of power transmission mechanism |
| JP2012-065927 | 2012-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322175A true CN103322175A (en) | 2013-09-25 |
| CN103322175B CN103322175B (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310091323.1A Active CN103322175B (en) | 2012-03-22 | 2013-03-21 | The lubricating fitting of power transmission mechanism |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013194891A (en) |
| CN (1) | CN103322175B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107339410A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Exclusion body in transmission for vehicles |
| CN107339411A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Lubricant guiding cover and the speed changer that cover is guided equipped with lubricant |
| CN108119640A (en) * | 2016-11-30 | 2018-06-05 | 通用汽车环球科技运作有限责任公司 | For the equipment of the active heat management of speed changer lubricant |
| CN109869475A (en) * | 2017-12-05 | 2019-06-11 | 通用汽车环球科技运作有限责任公司 | Passive lubricant management system |
| CN110345238A (en) * | 2018-04-04 | 2019-10-18 | 本田技研工业株式会社 | The lubricating structure of driving device |
| CN112189105A (en) * | 2018-05-17 | 2021-01-05 | 加特可株式会社 | Power transmission device |
| CN113137467A (en) * | 2016-03-14 | 2021-07-20 | 加特可株式会社 | Automatic transmission |
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| DE102015014062A1 (en) * | 2015-11-02 | 2017-05-04 | Sew-Eurodrive Gmbh & Co Kg | Transmission formed with a lower part and a shell, partially filled with oil housing and a gear |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137467A (en) * | 2016-03-14 | 2021-07-20 | 加特可株式会社 | Automatic transmission |
| CN107339410A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Exclusion body in transmission for vehicles |
| CN107339411A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Lubricant guiding cover and the speed changer that cover is guided equipped with lubricant |
| CN108119640A (en) * | 2016-11-30 | 2018-06-05 | 通用汽车环球科技运作有限责任公司 | For the equipment of the active heat management of speed changer lubricant |
| CN109869475A (en) * | 2017-12-05 | 2019-06-11 | 通用汽车环球科技运作有限责任公司 | Passive lubricant management system |
| CN110345238A (en) * | 2018-04-04 | 2019-10-18 | 本田技研工业株式会社 | The lubricating structure of driving device |
| CN112189105A (en) * | 2018-05-17 | 2021-01-05 | 加特可株式会社 | Power transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013194891A (en) | 2013-09-30 |
| CN103322175B (en) | 2016-01-20 |
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