CN103133660B - Transmission case - Google Patents
Transmission case Download PDFInfo
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- CN103133660B CN103133660B CN201210507809.4A CN201210507809A CN103133660B CN 103133660 B CN103133660 B CN 103133660B CN 201210507809 A CN201210507809 A CN 201210507809A CN 103133660 B CN103133660 B CN 103133660B
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- Prior art keywords
- wheel hub
- rib
- bearing supporting
- supporting wheel
- flange
- Prior art date
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/03—Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02091—Measures for reducing weight of gearbox
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The corresponding casing lightweight requirements of the present invention, the intensity of the axle core skew that the distortion simultaneously meeting the annular bearings supporting wheel hub suppressing rotatably supporting shaft part causes. By by the transmission case (TC) that mutually flange combines and form of the main-gear box (1) of segmentation, torque converter cover (2), side lid (3), side is covered the composite wood that (3) are formed as metal frame (5) and resin cap (6) is formed and constructs. Metal frame (5) has the first rib (54), the 2nd rib (55), the 3rd rib (57) and the 4th rib (56) as strengthening rib. First support wheel hub (54a) and the first bearing supporting wheel hub (52) are connected by the first rib (54). 2nd support wheel hub (55a) and the 2nd bearing supporting wheel hub (53) are connected and combine in peripheral outer lips (51) by the 2nd rib (55). First bearing supporting wheel hub (52) and peripheral outer lips (51) are connected by the 3rd rib (57). The desired location that the 3rd rib (57) mutually not intersected and the 2nd rib (55) support wheel hub (52,53) in two bearings is connected by the 4th rib (56).
Description
Technical field
The present invention relates to by the mutual flange of multiple box components of segmentation is combined and form, and rotatably supporting is assembled in the transmission case of the axle parts of inner speed change mechanism, seek light-weighted lightweight technology what guarantee intensity simultaneously.
Background technology
Such as, in the past, it is known to for the purpose of the crankcase cover of the mobile engine to provide light weight, it is made up of the crankcase cover (with reference to patent documentation 1) of the mobile engine of crankcase cover metal bearing maintenance frame and synthetic resin cap main body.
Patent documentation 1:(Japan) JP 2000-18348 publication
But, in the crankcase cover of existing mobile engine, form metal bearing by bearing maintaining part, foot and reinforcement portion and keep frame. And, half crankcase portion is together fixed in the leading section of above-mentioned foot and synthetic resin cap main body.
Prior art is used for the transmission case of light vehicle and light motorcycle (buggybike), by supporting variator with the joint portion in engine cylinder portion.
The variator of general vehicle:
As shown in Figure 1, (1) share the loading of power train and the loading of engine and combine the driving part of variator and engine portion at least two places suspention of engine side and transmission side. That is, in engine room, between the curb girder of vehicle body and the upper end of variator, the variator support of the inclination action of control power train it is provided with.
Observing from the rearward end of variator and engine side, variator is provided with variator support in the lid portion, side away from place of variator portion. By the turning of vehicle, starting etc., engine, variator deadweight to support and are linked lid portion, the side force supported as inertia energy.
Hereinafter, prior art is:
(2) the elementary side shaft of engine side, bearing are supported by side lid, but do not support the secondary side shaft of slave end, bearing.
That is, with chain or bring action edge transmission between elementary axle and secondary axle, but between axle due to ratio of gear, transmit moment of torsion via axle, bearing the casing of pedestal bearing applied reactive force.
That is, it is not formed in side lid and bears power from support, the structure of power at elementary axle, secondary axle, each bearing.
Ensuing prior art is:
(3) being provided with operation is PT part (auxiliary actuator: parking bar guiding part), is born the structure of quiet loading when not being formed in parking by side lid by erection bolt.
Ensuing prior art is:
(4) arranging synthetic resin lid to cover the bearing of variator metal, the outside of crankcase cover, the cross-wise direction in crankcase portion is formed as double-layer structural by casing and synthetic resin lid, unrealized lightweight.
Therefore, such as it is suitable for existing lid structure at the side lid of the transmission for vehicle case by being combined and form by mutual for multiple box components of segmentation flange. In this situation, when there is input cover via vehicle body support to side or the loading from the axle parts of speed change mechanism inputs, the rotatably annular bearings supporting intensity of wheel hub of supporting shaft part or rigidity deficiency. Therefore, existing along with loading input, bearing supporting wheel hub distortion, produces the problem of axle core skew.
Summary of the invention
The present invention is conceived to above-mentioned problem and proposes, and its object is to provide one can tackle casing lightweight requirements, the transmission case of the intensity of the axle core skew that the distortion simultaneously meeting the annular bearings supporting wheel hub suppressing rotatably supporting shaft part causes.
In order to realize above-mentioned purpose, the present invention possesses to be formed premised on the transmission case of the axle parts being formed, rotatably supporting the speed change mechanism being assembled in inside by being combined by mutual for multiple box components of segmentation flange.
In this transmission case, the side lid being combined and rotatably supporting the first axle and the 2nd axle with the main-gear box flange of built-in described speed change mechanism is formed as by metal frame and is located at the composite wood structure that the resin cap beyond metal frame forms in multiple box components of described segmentation.
The ring-type first bearing supporting wheel hub that described metal frame possesses the complete cycle continuous print flange covered throughout described side, rotatably support described first axle, ring-type the 2nd bearing supporting wheel hub rotatably supporting described 2nd axle, the strengthening rib that will connect between described flange, described first bearing supporting wheel hub and described 2nd bearing supporting wheel hub.
Have at described flange and described 2nd bearing in the first support wheel hub of vehicle body and is supported wheel hub side bearing in the 2nd support wheel hub of vehicle body by described first bearing supporting wheel hub side bearing.
Described strengthening rib have described first support wheel hub and described first bearing supporting wheel hub are connected the first rib, described 2nd support wheel hub and described 2nd bearing supporting wheel hub are connected and the 2nd rib combined at described flange, the 3rd rib described first bearing supporting wheel hub and described flange connected, the first bearing supporting hub side rib mutually not intersected and the 2nd bearing supporting hub side rib are supported, in described two bearings, the 4th rib that the desired location of wheel hub connects.
Therefore, by side lid being formed as the composite wood structure of metal frame and resin cap formation, compare the situation that side lid is formed as the just membrane structure that metal is formed, it may be achieved lightweight.
And, composite wood determining, the metal frame of intensity and rigidity is made up of the strengthening rib of flange, the first bearing supporting wheel hub, the 2nd bearing supporting wheel hub, the first rib, the 2nd rib, the 3rd rib and the 4th rib.
Such as, according to vehicle action, comprise side from the first support wheel hub and the 2nd support wheel hub to side lid input and cover the upper and lower conducted oneself with dignity to loading, according to the transmission of torque from the bearing supporting the first axle (such as elementary axle) and the 2nd axle (such as secondary axle), from the first axle and the horizontal loading of the 2nd axle input.
Upper and lower is inputted to loading, the first bearing supporting wheel hub and the bearing strength of the 2nd bearing supporting wheel hub is guaranteed by the first rib, the 2nd rib and the 3rd rib, for horizontal loading input, guaranteed rigidity between the axle of the first bearing supporting wheel hub and the 2nd bearing supporting wheel hub by the 4th rib.
Therefore, first rib, the 2nd rib and the 3rd rib are subject to the input of upper and lower to loading, 4th rib is subject to the input of horizontal loading, quiet loading when the first rib and the 3rd intercostal are subject to parking action, therefore, for the loading input covered to side, it is possible to suppress the first bearing supporting wheel hub and the distortion of the 2nd bearing supporting wheel hub.
Its result, it is possible to reply casing lightweight requirements, the intensity of the axle core skew that the distortion simultaneously meeting the annular bearings supporting wheel hub suppressing rotatably supporting shaft part causes.
Accompanying drawing explanation
Fig. 1 is the overall sketch chart of the variable v-belt drive of the automobile representing the transmission case being equipped on the side lid applying the composite wood structure with embodiment 1;
Fig. 2 is the front elevation of the side lid of the composite wood structure representing embodiment 1;
Fig. 3 is the stereographic map of the metal frame of the side lid of the composite wood structure representing the embodiment 1 observed from outside;
Fig. 4 is the stereographic map of the metal frame of the side lid of the composite wood structure representing the embodiment 1 observed from inner side;
Fig. 5 is the figure of the setting range of the 4th rib in the strengthening rib representing that the side that the composite wood of embodiment 1 constructs is covered;
Fig. 6 is line A-A sectional view in the Fig. 2 representing that the side that the composite wood after having additional resin cap on the metal frame of embodiment 1 constructs is covered;
Fig. 7 is the performance chart representing and becoming the relation of the weight-rigidity of the lightweight shape establishing method of equivalence rigidity in the side lid for illustration of embodiment 1 based on the extraction of necessary structure.
Description of symbols
TC: transmission case
1: main-gear box (box component)
2: torque converter cover (box component)
3: side lid (box component)
4: band type stepless speed changing mechanism (speed change mechanism)
40: elementary axle (the first axle)
41: secondary axle (the 2nd axle)
5: metal frame
51: peripheral outer lips (flange)
52: the first bearing supporting wheel hubs
53: the two bearing supporting wheel hubs
54: the first ribs
54a: the first support wheel hub
55: the two ribs
55a: the two support wheel hub
56: the four ribs
57: the three ribs
58: the first rib built-in inserted plates (metal sheet)
59: the two rib built-in inserted plates (metal sheet)
6: resin cap
6a: the first cover gab
6b: the two cover gab
61: the first resin caps
62: the two resin caps
7: curb girder (vehicle body)
Embodiment
Hereinafter, based on embodiment 1 shown in the drawings, the optimal way of the transmission case realizing the present invention is described.
Embodiment 1
First, formation is described.
The formation of the transmission case of embodiment 1 is divided into " overall formation ", " the detailed formation of side lid " are described.
" overall formation "
Fig. 1 represents the variable v-belt drive of the automobile of the transmission case being equipped on the side lid applying the composite wood structure with embodiment 1. Hereinafter, based on Fig. 1, entirety formation is described.
As shown in Figure 1, the transmission case TC and the horizontal engine ENG that puts of embodiment 1 link, and by the main-gear box split 1 (box component), torque converter cover 2 (box component) and the side mutual flange of lid 3 (box components) are combined and form. And, rotatably supporting is assembled in each axle parts of inner band type stepless speed changing mechanism 4 (speed change mechanism).
As shown in Figure 1, the side lid 3 of above-mentioned engine ENG and transmission case TC is resiliently supported in upwards extend in vehicle front and back one curb girder 7,7 (vehicle body) via scaffold bracket 8 and elasticity parts 9,9.
Above-mentioned band type stepless speed changing mechanism 4 has makes the elementary rotating speed of elementary axle 40 (the first axle) and the ratio of secondary rotating speed of secondary axle 41 (the 2nd axle) and the stepless shift function of the stepless change of pulley ratio by changing band relative to the contact diameter of pulley. The end, lid side of elementary axle 40 is rotatably supported in side lid 3 via elementary bearing 42. The end, lid side of secondary axle 41 is rotatably supported in side lid 3 via secondary bearing 43.
In the transmission case TC of embodiment 1, in main-gear box 1, torque converter cover 2 and side lid 3 that flange combines, main-gear box 1 and torque converter cover 2 are formed as metallic membrane structure, and side lid 3 is formed as composite wood structure.
Above-mentioned main-gear box 1 has the peripheral outer lips 11,12 being such as made up of and being provided with at both ends multiple bolt hole the metal parts taking aluminium casting (ADC12 etc.) as material. Peripheral outer lips 11 is combined with torque converter cover 2 flange, and peripheral outer lips 12 is covered 3 flanges and is combined with side. It is provided with food tray 10 in the bottom of main-gear box 1.
Above-mentioned torque converter cover 2 has by the peripheral outer lips 21 such as being formed and being provided with in main-gear box 1 side multiple bolt hole taking aluminium casting (ADC12 etc.) as the metal parts of material. The peripheral outer lips 21 of torque converter cover 2 is combined with peripheral outer lips 11 flange of main-gear box 1.
The composite wood that above-mentioned side lid 3 becomes for combination has the metal frame 5 of metallic substance and the resin cap 6 (shade line portion) of synthetic resins material constructs. Metal frame 5 is formed taking such as aluminium casting (ADC12 etc.) as material, resin cap 6 such as to have thermotolerance, the high-intensity resin (GF strengthen PA66 etc.) of oil-proofness formed as material. There is the peripheral outer lips 51 being provided with multiple bolt hole in main-gear box 1 side. The peripheral outer lips 51 of side lid 3 is combined with peripheral outer lips 12 flange of main-gear box 1.
" the detailed formation of side lid "
Fig. 2��Fig. 6 represents the formation of the side lid 3 of the composite wood structure of embodiment 1. Hereinafter, detailed formation based on Fig. 2��Fig. 6 offside lid 3 is described.
As shown in Fig. 2��Fig. 6, the metal frame 5 forming above-mentioned side lid 3 possesses peripheral outer lips 51 (flange), the first bearing supporting wheel hub 52, the 2nd bearing supporting wheel hub 53, first rib 54 (strengthening rib), the 2nd rib 55 (strengthening rib), the 3rd rib 57 (strengthening rib), the 4th rib 56 (strengthening rib). It is attached with the first rib built-in inserted plate 58 (metal sheet), the 2nd rib built-in inserted plate 59 (metal sheet) at these framework component parts.
Above-mentioned peripheral outer lips 51 guarantees the flange bonding strength with main-gear box 1, continuous throughout the complete cycle of side lid 3. Vehicle-mounted aspect, be provided with in the separation point position of the upside of peripheral outer lips 51 by first bearing supporting wheel hub 52 side hang on curb girder 7 carry out elastic support the first support wheel hub 54a and by the 2nd bearing supporting wheel hub 53 side hang on the 2nd support wheel hub 55a that curb girder 7 carries out elastic support. As shown in Figure 4, it is provided with threaded hole 54b, the 55b for fixing scaffold bracket 8 at the first support wheel hub 54a and the 2nd support wheel hub 55a. In addition, in peripheral outer lips 51, it is formed with multiple bolt hole 51a throughout complete cycle.
Above-mentioned first bearing supporting wheel hub 52 is that face is fitted together to the periphery of elementary bearing 42 and rotatably supports the annular hub of elementary axle 40 in wheel hub, and it links via the first rib 54 and the 3rd rib 57 etc. and peripheral outer lips 51.
Above-mentioned 2nd bearing supporting wheel hub 53 is that face is fitted together to the periphery of secondary bearing 43 and rotatably supports the annular hub of secondary axle 41 in wheel hub, and it links via the 2nd rib 55 grade and peripheral outer lips 51.
Above-mentioned first rib 54 and the 3rd rib 57 guarantee the bearing strength that the upper and lower of subtend first bearing supporting wheel hub 52 inputs to loading, and guarantee the bearing strength of not shown parking part. 3rd rib 57 connects being positioned at than center peripheral outer lips 51 by the top and the first bearing supporting wheel hub 52 of the first bearing supporting wheel hub 52 on vehicle-mounted, and is combined in and is positioned at the center peripheral outer lips 51 on the lower than the first bearing supporting wheel hub 52. The half-way of the first support wheel hub 54a and the 3rd rib 57 is connected by the first rib 54. Using the first support wheel hub 54a upper surface as the first rib 54 on vehicle-mounted.
Above-mentioned 2nd rib 55 guarantees the bearing strength that the upper and lower of subtend the 2nd bearing supporting wheel hub 53 inputs to loading, 2nd support wheel hub 55a and the 2nd bearing supporting wheel hub 53 are connected by it, and are combined in the center peripheral outer lips 51 on the lower being positioned at than the 2nd bearing supporting wheel hub 53. Using the 2nd support wheel hub 55a upper surface as the 2nd rib 55 on vehicle-mounted.
Above-mentioned 4th rib 56 guarantees rigidity between the axle that the horizontal loading of subtend first bearing supporting wheel hub 52 and the 2nd bearing supporting wheel hub 53 inputs, and the desired location that the 3rd rib 57 mutually not intersected and the 2nd rib 55 support wheel hub 52,53 in two bearings is connected by it.
At this, as shown in Figure 5, the 4th rib 56 is located at and is clipped the central point O of the first bearing supporting wheel hub 52B1With the central point O of the 2nd bearing supporting wheel hub 53B2The centre line C L connected connects in the scope of two groups of tangent lines OL, OL of the first bearing supporting wheel hub inner circumferential and the 2nd bearing supporting wheel hub inner circumferential. Therefore, as long as the 4th rib 56 meets the setting condition in the scope of two groups of tangent lines OL, OL, it is also possible to connect the first rib 54 and the 2nd rib 55, in addition, it is also possible to the connection section and the 2nd rib 55 of crossing over the first rib 54 and the 3rd rib 57 are connected.
Above-mentioned first rib built-in inserted plate 58, for improving the installation strength of the first rib 54, the 2nd rib 55 and the 3rd rib 57, is embedded in the region surrounded by the first rib 54, the 2nd rib 55, the 3rd rib 57, the peripheral outer lips 51 connecting the upside of both sides of the chest 54,55, the peripheral outer lips 51 of downside that connects both sides of the chest 55,57 by certain thickness plate.
Above-mentioned 2nd rib built-in inserted plate 59, for improving the bearing strength of parking part, is embedded in the region surrounded by the peripheral outer lips 51 of the 3rd rib 57, first rib 54, connection both sides of the chest 54,57 by certain thickness plate.
As shown in Figures 2 and 6, as above-mentioned resin cap 6, the 2nd resin cap 62 possess the first resin cap 61 being set in the first cover opening 6a, being set in the 2nd cover opening 6b. As shown in Figure 3, the first cover opening 6a is surrounded by the arc sections of the 3rd rib 57 and the peripheral outer lips 51 at the two ends of connection the 3rd rib 57 and is formed. As shown in Figure 3, the 2nd cover opening 6b is surrounded by the arc sections of the 2nd rib 55 and the peripheral outer lips 51 at the two ends of connection the 2nd rib 55 and is formed. First resin cap 61 is set in the first cover opening 6a of the exterior lateral area being formed at the 3rd rib 57 relative to metal frame 5 with airtight conditions. 2nd resin cap 62 is set in the 2nd cover opening 6b of the exterior lateral area being formed at the 2nd rib 55 relative to metal frame 5 with airtight conditions. Two resin caps 61,62 set metal frame 5 at mold for shaping resin, arrange by penetrating the insert molding of melting resin in modular space. As shown in the overlapping joint D in Fig. 6, during this insert molding, make it overlap joint by face in the joint of metal frame 5 in the way of pasting outside the joint of two resin caps 61,62. By this overlapping joint D, utilize the pressure difference inside and outside casing by joint crimped outside face in the joint of metal frame 5 of two resin caps 61,62, assure reliability.
Then, effect is described.
The effect of the transmission case TC of embodiment 1 is divided into " the lightweight shape setting effect of metal frame ", " effect of getting both of lightweight and rigidity " are described.
" the lightweight shape setting effect of metal frame "
In order to realize the lightweight of side lid, it is necessary to carry out meeting the shape setting of the metal frame that rigidity requires. Hereinafter, based on Fig. 7, the lightweight shape setting effect of the metal frame of this demand of reflection is described.
First, cut except unnecessary part (Fig. 7 mid point F) from the block state (Fig. 7 mid point E) of pure aluminium, calculate, relative to the lightweight of weight, the structural shape (metal frame shape) that rigidity covers Fig. 7 mid point G of identical rigidity (equivalent rigidity) with existing side.
According to the method, cover as side, it is possible to have while covering equivalence rigidity with existing side, it is achieved maximum lightweight, structural shape (metal frame shape) now is extracted as necessary structure. Using the basic shape of metal frame 5 of the necessary structure of this extraction as the side lid 3 of embodiment 1.
" effect of getting both of lightweight and rigidity "
As mentioned above, it is necessary, when determining the basic shape of metal frame 5 of side lid 3, it is necessary to guarantee lightweight, while the research of the intensity guaranteeing to be offset by loading input constraint axle core, rigidity. Hereinafter, the lightweight of this research of reflection and the effect of getting both of rigidity are described.
First, compare the situation that side lid is formed as the membrane structure being only made up of metal, by side being covered the 3 composite wood structures being formed as being made up of metal frame 5 and resin cap 6, it is possible to realize lightweight.
That is, if the necessary structure extracted being formed as the basic shape of the metal frame 5 of the side lid 3 of embodiment 1, then the lightweight amount shown in Fig. 7 can be changed to greatest extent and the lightweight that side covers 3 can be realized.
Therefore, according to the discussion of inventor etc., even if distinguishing and processing the necessary structure extracted so that intensity, rigidity meet the requirements, compare the side lid of existing aluminium membrane structure, it is also possible to lightweight about about 25% (Kg unit).
In above-mentioned composite wood, the metal frame 5 with intensity or rigidity is made up of peripheral outer lips 51, first bearing supporting wheel hub 52, the 2nd bearing supporting wheel hub 53, strengthening rib (the first rib 54, the 2nd rib 55, the 3rd rib 57 and the 4th rib 56).
Such as, according to the such vehicle action of curb girder 7 knee-action in traveling etc., cover 3 from the first support wheel hub 54a and the 2nd support wheel hub 55a to side and input the upper and lower comprising side lid deadweight to loading. In addition, cover 3 inputs from elementary axle 40 and secondary axle 41 to side and widen size between axle according to the belt tension transmitted based on moment of torsion in variable v-belt drive, the tooth (�� �� fall ��) etc. of falling that transmits based on moment of torsion in multistage automatic transmission or reduce the horizontal loading of size between axle. Like this, the 3 various loadings of input are covered from outside (vehicle body) and inner (speed change mechanism) to side.
The upper and lower covering 3 to above-mentioned side is inputted to loading, utilizes the first rib 54, the 3rd rib 57 and the 2nd rib 55 to guarantee the first bearing supporting wheel hub 52 and the bearing strength of the 2nd bearing supporting wheel hub 53. That is, the first rib 54 is using the first support wheel hub 54a of being provided with in peripheral outer lips 51 as the upper surface on vehicle-mounted, the first support wheel hub 54a and the 3rd rib 57 is connected, and the first bearing supporting wheel hub 52 is connected and is combined with peripheral outer lips 51 by the 3rd rib 57. 2nd support wheel hub 55a and the 2nd bearing supporting wheel hub 53 as the upper surface on vehicle-mounted, are connected and are combined with peripheral outer lips 51 by the 2nd rib 55 by the 2nd support wheel hub 55a that is provided with in peripheral outer lips 51.
On the other hand, for side cover 3 horizontal loading input, utilize the 4th rib 56 guarantee first bearing supporting wheel hub 52 and the 2nd bearing supporting wheel hub 53 axle between rigidity. That is, the 3rd rib 57 mutually not intersected and the 2nd rib 55 are connected by the 4th rib 56 at the desired location of the first bearing supporting wheel hub 52 and the 2nd bearing supporting wheel hub 53.
Therefore, first rib 54, the 3rd rib and the 2nd rib 55 are subject to the input of upper and lower to loading, 4th rib 56 is subject to the input of horizontal loading, thus, relative to the loading input covering 3 to side, suppress the distortion (ovalizing deflection etc. of axle base variation) of the first bearing supporting wheel hub 52 and the 2nd bearing supporting wheel hub 53. Its result, the distortion of the distortion utilizing ring-type first bearing rotatably supporting elementary axle 40 supporting wheel hub 52 and ring-type the 2nd bearing supporting wheel hub 53 rotatably supporting secondary axle 41, it is ensured that suppress the intensity that the axle core position of elementary axle 40 and the axle core position of secondary axle 41 offset from the axle core that prescribed position offsets.
Then, effect is described.
The transmission case TC of embodiment 1 can obtain the following effect enumerated.
(1) possess: horizontal put engine ENG; Variator, the bent axle arranged coaxial of itself and engine ENG, the output of since engine ENG in the future inputs to this variator,
This variator is made up of following transmission case TC, this transmission case TC is by combining multiple box components of segmentation (main transmission case 1, torque converter cover 2, side lid 3) mutual flange and form, and the one end rotatably supporting described flange is combined with described engine ENG and is assembled in the axle parts of the speed change mechanism (variable v-belt drive 4) of the inside of described box component, a part of support of described engine ENG and described transmission case TC hangs supporting by vehicle side cradle portion
The side that main-gear box 1 flange with built-in described speed change mechanism in multiple box components of described segmentation is combined and rotatably supports the 2nd axle (secondary axle 41) of the slave end of first axle (elementary axle 40) coaxial with described engine ENG and this first axle is covered 3 and is formed as by metal frame 5 and the structure be located at the resin cap 6 beyond metal frame 5 and form, cover in 3 in the side of this transmission case TC
Described metal frame 5 possess throughout described side cover 3 complete cycle continuous print flange (peripheral outer lips 51), rotatably support described first axle ring-type first bearing supporting wheel hub 52, rotatably support described 2nd axle ring-type the 2nd bearing supporting wheel hub 53, will described flange (peripheral outer lips 51), described first bearing supporting wheel hub 52 and described 2nd bearing supporting wheel hub 53 between connect strengthening rib
Described flange (peripheral outer lips 51) have vehicle-mounted on be positioned at side lid 3 top and by described first bearing supporting wheel hub 52 side bearing in the first support wheel hub 54a of vehicle body and will described 2nd bearing supporting wheel hub 53 side bearing in the 2nd support wheel hub 55a of vehicle body (side cover 7)
Described strengthening rib has the first rib 54 that described first support wheel hub 54a and described first bearing are supported wheel hub 52 and connected, the 2nd rib 55 described 2nd support wheel hub 55a and described 2nd bearing supporting wheel hub 53 connected and combine at described flange (peripheral outer lips 51), by the 3rd rib 57 that described first bearing supporting wheel hub 53 and described flange (peripheral outer lips 51) connect, the first bearing supporting hub side rib (the 3rd rib 57) mutually not intersected and the 2nd bearing supporting hub side rib (the 2nd rib 55) are supported wheel hub 52 in described two bearings, the 4th rib 56 (Fig. 2) that the desired location of 53 connects.
Therefore, it is possible to reply casing lightweight requirements, meanwhile, satisfied suppression rotatably supporting shaft part annular bearings supporting wheel hub (first bearing supporting wheel hub 52, the 2nd bearing supporting wheel hub 53) distortion cause axle core skew intensity.
(2) described 3rd rib 57 is the rib connecting being positioned at than the center of described first bearing supporting wheel hub 52 described flange (peripheral outer lips 51) by the top and described first bearing supporting wheel hub on vehicle-mounted and being positioned at the center described flange (peripheral outer lips 51) on the lower supporting wheel hub 52 than described first bearing and combine
Described first rib 54 is the rib described first support wheel hub 54a and described 3rd rib 57 connected.
Therefore, on the basis of the effect of (1), can also by configuring the first rib 54 and the 3rd rib 57 to quiet loading input area when loading input path and parking action from the upper and lower of the first support wheel hub 54a, it is ensured that to the upper and lower from the first bearing supporting wheel hub 52 to the bearing strength of quiet loading input when loading input and parking action.
(3) described 4th rib 56 is set in and clips the central point O of described first bearing supporting wheel hub 52B1With the central point O of described 2nd bearing supporting wheel hub 53B2The centre line C L linked connects in the scope of two groups of tangent lines wiring OL, OL of the first bearing supporting wheel hub inner circumferential and the 2nd bearing supporting wheel hub inner circumferential.
Therefore, on the basis of (1) or the effect of (2), can also by horizontal loading input path configuration the 4th rib 56 from the first axle (elementary axle 40) and the 2nd axle (secondary axle 41), it is ensured that rigidity between the high axle of the first bearing supporting wheel hub 52 and the 2nd bearing supporting wheel hub 53.
(4) metal sheet (the first rib built-in inserted plate 58) is set in the region surrounded by described first rib 54, described 2nd rib 55 and described flange (peripheral outer lips 51),
Metal sheet (the 2nd rib built-in inserted plate 59) is set in the region surrounded by described first rib 54, described 3rd rib 57 and described flange (peripheral outer lips 51),
It is being set with the first resin cap 61 by the region being provided with the described flange (peripheral outer lips 51) beyond described metal sheet (both sides of the chest built-in inserted plate 58,59), described first rib 54 and described 3rd rib 57 encirclement,
It is being set with the 2nd resin cap 62 (Fig. 2) by the region being provided with the described flange (peripheral outer lips 51) beyond described metal sheet (both sides of the chest built-in inserted plate 58,59) and described 2nd rib 55 encirclement.
Therefore, on the basis of the effect of (1)��(3), it is possible to guarantee requirement rigidity, and realize the lightweight of side lid 3. That is, by the bearing strength of the first rib 54, the 2nd rib 55 and the 3rd rib 57 utilizes metal sheet (both sides of the chest built-in inserted plate 58,59) strengthen, making the field of occupying of metal frame 5 narrow and guarantee requirement rigidity, what expand resin cap 6 occupies region.
Above, based on the transmission case that example 1 illustrates the present invention, but concrete formation is not limited to this embodiment 1, as long as not departing from the protection domain of each right item of claim, then allows the change of design or adds.
In embodiment 1, the application examples to the variable v-belt drive at the built-in band type stepless speed changing mechanism 4 of transmission case TC is illustrated. But can also be applicable to such as the automatic transmission in the built-in automatic transmission mechanism with multiple speed change level of transmission case, the ring type buncher at transmission case built-in friction wheel type stepless speed changing mechanism or other variator beyond such variable v-belt drive such as manual transmission of the built-in parallel-axis type speed change mechanism of transmission case.
Claims (5)
1. a transmission case, it is characterised in that, possess: horizontal put engine; Variator, the bent axle arranged coaxial of itself and described engine, the output of since engine in the future inputs to described variator,
This variator is made up of following transmission case, this transmission case is by combining mutual for multiple box components of segmentation flange and form, and the one end rotatably supporting described flange is combined with described engine and is assembled in the axle parts of the speed change mechanism of the inside of described box component, a part of support of described engine and described transmission case hangs supporting by vehicle side cradle portion
The side being combined and rotatably supporting the 2nd axle of the slave end of first axle coaxial with described engine and this first axle in multiple box components of described segmentation with the main-gear box flange of built-in described speed change mechanism is covered and is formed as by metal frame and is located at the structure that the resin cap beyond metal frame forms, in the side of this transmission case is covered
The ring-type first bearing supporting wheel hub that described metal frame possesses the complete cycle continuous print flange covered throughout described side, rotatably support described first axle, ring-type the 2nd bearing supporting wheel hub rotatably supporting described 2nd axle, the strengthening rib that will connect between described flange, described first bearing supporting wheel hub and described 2nd bearing supporting wheel hub
Described flange have vehicle-mounted on be positioned at side lid top and by described first bearing supporting wheel hub side bearing in vehicle body the first support wheel hub and by described 2nd bearing supporting wheel hub side bearing in the 2nd support wheel hub of vehicle body,
Described strengthening rib have described first support wheel hub and described first bearing supporting wheel hub are connected the first rib, described 2nd support wheel hub and described 2nd bearing supporting wheel hub are connected and the 2nd rib combined at described flange, the 3rd rib described first bearing supporting wheel hub and described flange connected, the first bearing supporting hub side rib mutually not intersected and the 2nd bearing supporting hub side rib are supported, in described two bearings, the 4th rib that the desired location of wheel hub connects.
2. transmission case as claimed in claim 1, it is characterised in that,
Described 3rd rib connects being positioned at than the center of described first bearing supporting wheel hub described flange by the top and described first bearing supporting wheel hub on vehicle-mounted, and connect being positioned at than the center described flange on the lower of described first bearing supporting wheel hub and described first bearing supporting wheel hub, from be positioned at than the center described flange by the top of described first bearing supporting wheel hub be positioned at the rib being combined than the center described flange on the lower of described first bearing supporting wheel hub
Described first rib is the rib described first support wheel hub and described 3rd rib connected.
3. transmission case as claimed in claim 1 or 2, it is characterised in that,
Described 4th rib is set in the scope of two groups of tangent line wiring clipping and the medullary ray of the central point of described first bearing supporting wheel hub and the central point link of described 2nd bearing supporting wheel hub connecting the first bearing supporting wheel hub inner circumferential and the 2nd bearing supporting wheel hub inner circumferential.
4. a transmission case, it is characterised in that, possess: horizontal put engine; Variator, the bent axle arranged coaxial of itself and described engine, the output of since engine in the future inputs to described variator,
This variator is made up of following transmission case, this transmission case is by combining mutual for multiple box components of segmentation flange and form, and the one end rotatably supporting described flange is combined with described engine and is assembled in the axle parts of the speed change mechanism of the inside of described box component, a part of support of described engine and described transmission case hangs supporting by vehicle side cradle portion
The side being combined and rotatably supporting the 2nd axle of the slave end of first axle coaxial with described engine and this first axle in multiple box components of described segmentation with the main-gear box flange of built-in described speed change mechanism is covered and is formed as by metal frame and is located at the structure that the resin cap beyond metal frame forms, in the side of this transmission case is covered
The ring-type first bearing supporting wheel hub that described metal frame possesses the complete cycle continuous print flange covered throughout described side, rotatably support described first axle, ring-type the 2nd bearing supporting wheel hub rotatably supporting described 2nd axle, the strengthening rib that will connect between described flange, described first bearing supporting wheel hub and described 2nd bearing supporting wheel hub
Described flange have vehicle-mounted on be positioned at side lid top and by described first bearing supporting wheel hub side bearing in vehicle body the first support wheel hub and by described 2nd bearing supporting wheel hub side bearing in the 2nd support wheel hub of vehicle body,
Described strengthening rib have described first support wheel hub and described first bearing supporting wheel hub are connected the first rib, described 2nd support wheel hub and described 2nd bearing supporting wheel hub are connected and the 2nd rib combined at described flange, the 3rd rib described first bearing supporting wheel hub and described flange connected, the first bearing supporting hub side rib mutually not intersected and the 2nd bearing supporting hub side rib are supported, in described two bearings, the 4th rib that the desired location of wheel hub connects
Described 3rd rib connects being positioned at than the center of described first bearing supporting wheel hub described flange by the top and described first bearing supporting wheel hub on vehicle-mounted, and connect being positioned at than the center described flange on the lower of described first bearing supporting wheel hub and described first bearing supporting wheel hub, from be positioned at than the center described flange by the top of described first bearing supporting wheel hub be positioned at the rib being combined than the center described flange on the lower of described first bearing supporting wheel hub
Described first rib is the rib described first support wheel hub and described 3rd rib connected.
5. transmission case as claimed in claim 4, it is characterised in that,
In the region surrounded by described first rib, described 2nd rib and described flange, metal sheet is set,
In the region surrounded by described first rib, described 3rd rib and described flange, metal sheet is set,
It is being set with the first resin cap by the region being provided with the described flange beyond described metal sheet, described first rib and described 3rd rib encirclement,
It is being set with the 2nd resin cap by the region being provided with the described flange beyond described metal sheet and described 2nd rib encirclement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011263792 | 2011-12-01 | ||
| JP2011-263792 | 2011-12-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133660A CN103133660A (en) | 2013-06-05 |
| CN103133660B true CN103133660B (en) | 2016-06-01 |
Family
ID=48493904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210507809.4A Expired - Fee Related CN103133660B (en) | 2011-12-01 | 2012-12-03 | Transmission case |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5738827B2 (en) |
| KR (1) | KR101356274B1 (en) |
| CN (1) | CN103133660B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3008157B1 (en) * | 2013-07-08 | 2015-07-31 | Peugeot Citroen Automobiles Sa | VEHICLE POWER UNIT WITH CLUTCH HOUSING OR MULTI-PURPOSE CONVERTER |
| JP6201878B2 (en) | 2014-04-30 | 2017-09-27 | スズキ株式会社 | transmission |
| JP6399934B2 (en) * | 2015-01-12 | 2018-10-03 | ジヤトコ株式会社 | Support structure of rotating shaft in belt type continuously variable transmission |
| JP6622153B2 (en) * | 2016-07-29 | 2019-12-18 | トヨタ自動車株式会社 | Plastic side cover for transmission case |
| JP7013644B2 (en) * | 2016-11-14 | 2022-02-01 | スズキ株式会社 | transmission |
| JP6833618B2 (en) * | 2017-05-29 | 2021-02-24 | 日本電産コパル電子株式会社 | Housing structure and transmission |
| JP6617754B2 (en) * | 2017-08-10 | 2019-12-11 | スズキ株式会社 | Sound absorption structure of power transmission device |
| JP6369614B1 (en) * | 2017-09-29 | 2018-08-08 | トヨタ自動車株式会社 | Vehicle casing |
| CN111823486A (en) * | 2020-07-07 | 2020-10-27 | 上汽通用汽车有限公司 | Gearbox shell and forming method |
| CN114508581B (en) * | 2022-02-22 | 2024-01-09 | 一汽解放汽车有限公司 | Transmission shell and transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027508A1 (en) * | 1989-08-31 | 1991-03-07 | Kanzaki Kokyukoki Mfg Co Ltd | TRANSMISSION ASSEMBLY FOR TRACTORS |
| US5142940A (en) * | 1990-05-28 | 1992-09-01 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Vehicle transmission assembly |
| US5404772A (en) * | 1992-11-06 | 1995-04-11 | Dana Corporation | Transmission housing |
| CN201281122Y (en) * | 2008-09-11 | 2009-07-29 | 长辰精密股份有限公司 | Case lightening transmission mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2595003Y2 (en) * | 1991-07-08 | 1999-05-24 | 愛知機械工業株式会社 | Cover mounting structure for continuously variable transmission |
| DE19548823A1 (en) | 1995-12-27 | 1997-07-03 | Teves Gmbh Alfred | Cover for a gear box |
| JP2000018348A (en) * | 1998-04-27 | 2000-01-18 | Yamaha Motor Co Ltd | Crankcase cover of vehicular engine |
| JP4359040B2 (en) | 2002-12-26 | 2009-11-04 | ヤマハ発動機株式会社 | Cooling structure for V-belt type continuously variable transmission |
| JP2008121778A (en) * | 2006-11-10 | 2008-05-29 | Aisin Aw Co Ltd | Transmission case |
| JP2008137600A (en) | 2006-12-05 | 2008-06-19 | Jtekt Corp | Electric power steering device |
| JP2011218837A (en) * | 2010-04-02 | 2011-11-04 | Toyota Motor Corp | Mounting device of drive device for vehicle |
| JP5425830B2 (en) * | 2011-03-23 | 2014-02-26 | ジヤトコ株式会社 | Transmission case |
-
2012
- 2012-11-21 JP JP2012254895A patent/JP5738827B2/en not_active Expired - Fee Related
- 2012-11-30 KR KR1020120137882A patent/KR101356274B1/en not_active IP Right Cessation
- 2012-12-03 CN CN201210507809.4A patent/CN103133660B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027508A1 (en) * | 1989-08-31 | 1991-03-07 | Kanzaki Kokyukoki Mfg Co Ltd | TRANSMISSION ASSEMBLY FOR TRACTORS |
| US5142940A (en) * | 1990-05-28 | 1992-09-01 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Vehicle transmission assembly |
| US5404772A (en) * | 1992-11-06 | 1995-04-11 | Dana Corporation | Transmission housing |
| CN201281122Y (en) * | 2008-09-11 | 2009-07-29 | 长辰精密股份有限公司 | Case lightening transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013137097A (en) | 2013-07-11 |
| KR101356274B1 (en) | 2014-01-28 |
| KR20130061643A (en) | 2013-06-11 |
| JP5738827B2 (en) | 2015-06-24 |
| CN103133660A (en) | 2013-06-05 |
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