CN105612077A - Transmission - Google Patents

Transmission Download PDF

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Publication number
CN105612077A
CN105612077A CN201580002164.0A CN201580002164A CN105612077A CN 105612077 A CN105612077 A CN 105612077A CN 201580002164 A CN201580002164 A CN 201580002164A CN 105612077 A CN105612077 A CN 105612077A
Authority
CN
China
Prior art keywords
mentioned
lug boss
flange portion
box component
installation
Prior art date
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
CN201580002164.0A
Other languages
Chinese (zh)
Other versions
CN105612077B (en
Inventor
高尾昌明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Publication of CN105612077A publication Critical patent/CN105612077A/en
Application granted granted Critical
Publication of CN105612077B publication Critical patent/CN105612077B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K20/00Arrangement or mounting of change-speed gearing control devices in vehicles
    • B60K20/02Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports
    • B60K5/1208Resilient supports
    • B60K5/1216Resilient supports characterised by the location of the supports relative to the motor or to each other
    • 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
    • F16H57/025Support of gearboxes, e.g. torque arms, or attachment to other devices
    • 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
    • F16H57/03Gearboxes; Mounting gearing therein characterised by means for reinforcing gearboxes, e.g. ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00Constructional features of vehicle sub-units
    • B60Y2410/10Housings

Abstract

Mounting boss parts (34, 35, 36) for linking a mount bracket to a transmission case (20) are formed close to a flange part (33). The mounting boss part (36) is formed integrally with the flange part (33), and the mounting boss parts (34, 35) are formed separately from the flange part (33). A distal end surface (36b) of the mounting boss part (36) is formed on the same flat surface as the surface of the flange part (33) that bonds with a shift tower (50) of the flange part (33). Close to an end part wall (42) in the peripheral wall (41) of the transmission case (20), the mounting boss part (35) is arranged, and a rib (38) connected to the mounting boss part (35) and the mounting boss part (36) is erected.

Description

Speed changer
Technical field
The present invention relates to speed changer, particularly relate to mission case by mounting bracket and carThe speed changer of body combination.
Background technology
In the vehicles such as automobile, in the situation that speed changer is installed on to car body, structure will be installedThe mounting bracket of part is connected to the spiral shell of installation set on mission case lug bossKeyhole, this installation component is installed on the longeron of car body, thus speed changer is flexibly fixed onCar body. Therefore,, in order to reduce to be delivered to from mounting bracket the vibration of car body, require to improve peaceIntensity and the rigidity of lug boss for dress, improves and installs with lug boss with respect to mission caseIn conjunction with rigidity.
In the past, as this speed changer, the device that known patent document 1 is recorded. PatentThe speed changer that document 1 is recorded is by strengthening the fastened installation of mounting bracket with protruding with ribThe portion of rising, improves intensity and the rigidity of installing with lug boss thus.
Prior art document
Patent documentation
Patent documentation 1: JP 2013-137097 communique
Summary of the invention
The problem that invention will solve
But, in existing speed changer, exist due to new setting of installation lug boss addedStrong with rib, so weight can be according to having appended the problem that reinforcement increases by the degree of rib. SeparatelyOutward, in existing speed changer, although consider to install with the wall thickness of lug boss next by increaseImprove and install by intensity and the rigidity of lug boss, but in this case, due to wall thicknessIncrease, weight also likely increases.
The present invention is conceived to the problems referred to above and completes, and its object is to provide and can improvesInstall with lug boss with respect to the combination rigidity of mission case, can reduce from mounting bracketBe delivered to the speed changer of the vibration of car body.
For the scheme of dealing with problems
The speed changer of the 1st mode of the present invention possesses: mission case, it is formed with openingPortion and flange portion, above-mentioned flange portion is disposed at the peripheral part of this peristome; And gearshift tower,It has the gearshift chosen axis of inserting above-mentioned peristome, by bolted and above-mentioned flange portionIn conjunction with, being formed with multiple installation lug bosses near of above-mentioned flange portion, above-mentioned installation is usedLug boss has the bolt hole for mounting bracket is combined with above-mentioned mission case, above-mentionedInstallation has with lug boss: flange portion integrative installation technology lug boss, and it has one at least,Form as one with above-mentioned flange portion; And independent installation lug boss, it is formed as independenceIn above-mentioned flange portion.
As the 2nd mode of the present invention, preferred above-mentioned flange portion integrative installation technology lug bossFront end face be formed as flushing with the composition surface with above-mentioned gearshift tower of above-mentioned flange portion.
As the 3rd mode of the present invention, preferred above-mentioned mission case has: the week of tubularWall, it extends in the axial direction of above-mentioned speed changer; And end wall, it seals above-mentioned perisporiumAbove-mentioned axial one end, near of the above-mentioned end wall of above-mentioned perisporium, dispose 1Above-mentioned independent installation lug boss, and be provided with rib, above-mentioned rib is connected to this and independently installsWith lug boss and above-mentioned flange portion integrative installation technology lug boss.
As the 4th mode of the present invention, preferred above-mentioned mission case has: the 1st casing structurePart, it is connected to engine; And the 2nd box component, it is connected to above-mentioned the 1st casing structurePart is formed with the 2nd box component side flange portion and above-mentioned installation on above-mentioned the 2nd box componentWith lug boss, above-mentioned the 2nd box component side flange portion is connected to above-mentioned the 1st box component, onState the length direction both ends of rib and extend to above-mentioned the 1st box component side, and be connected to above-mentionedThe 2nd box component side flange portion.
As the 5th mode of the present invention, preferred above-mentioned mission case uses perisporium moldPass through casting with end wall with mold, above-mentioned perisporium comprises above-mentioned with mold for mouldingThe face of the above-mentioned perisporium of lug boss for flange portion and above-mentioned installation, above-mentioned end wall is used with moldIn the above-mentioned end wall of moulding, along above-mentioned perisporium with mold and above-mentioned end wall use moldThe position of die joint disposes above-mentioned rib.
As the 6th mode of the present invention, preferred above-mentioned mission case possesses cylindraceous changingGear shaft lug boss, above-mentioned shifting shaft uses lug boss from above-mentioned perisporium to above-mentioned mission caseRadiation direction bloat and shifting shaft be accommodated in to inside, lug boss connects for above-mentioned shifting shaftReceive above-mentioned rib.
Invention effect
According to above-mentioned the 1st mode, the flange portion of mission case is formed as than other portion like thisPosition is thick, and engages and be connected with gearshift tower, and therefore rigidity is high. According to the 1st mode, will pacifyAt least 1 of dress use lug boss is high with lug boss and rigidity as flange portion integrative installation technologyFlange portion forms as one, and therefore can suppress to install with lug boss due to the effect of external forceVibration. Therefore,, according to the 1st mode, can improve mounting bracket with respect to mission caseCombination rigidity, can reduce the vibration that is delivered to car body from mounting bracket.
In addition, according to above-mentioned the 2nd mode, can guarantee thus connecing of flange portion and gearshift towerClose the area of face and can make flange portion integrative installation technology lug boss and flange portion be formed asOne. Therefore,, according to the 2nd mode, can improve and install with lug boss with respect to speed changerThe combination rigidity of casing, can reduce the vibration that is delivered to car body from mounting bracket.
In addition, according to above-mentioned the 3rd mode, form the end that is positioned in the perisporium of mission caseNear the part of of portion's wall is not yielding in the radiation direction of mission case. According to the 3rdMode, near the independent of that is disposed at the end wall of perisporium installed with lug boss by being arranged atNear the rib of of the end wall of perisporium and flange portion integrative installation technology link with lug boss. ThusIn the 3rd mode, can improve near independent installation of of the end wall that is disposed at perisporium and useLug boss is with respect to the combination rigidity of mission case.
In addition, according to above-mentioned the 4th mode, the 2nd box component side flange of the 2nd box componentPortion is owing to being connected to the 1st box component, thus be the high and on-deformable part of rigidity, willThe length direction both ends of rib are connected with the 2nd box component side flange portion, can carry thusHigh installation used the combination rigidity of lug boss with respect to mission case.
In addition, according to above-mentioned the 5th mode, along mold and end wall mold for perisporiumThe position of die joint dispose rib, can use by perisporium thus the inner side of moldings formed therefrom ribFace and upper surface, and can use by end wall the lateral surface of moldings formed therefrom rib. Therefore,Due to moulding rib, thus with dark recess is formed to position beyond the die joint of moldSituation is compared, and can easily improve the height of rib, therefore can improve installation lug bossBetween the rigidity with respect to mission case.
In addition, according to above-mentioned the 6th mode, be connected to and install with the rib of lug boss by gearshiftAxle is strengthened with lug boss, therefore can improve to install with lug boss with respect to mission caseIn conjunction with rigidity.
Brief description of the drawings
Fig. 1 is the figure that represents the speed changer of embodiments of the present invention, is to watch bag from topDraw together the top view of the PWTN of speed changer and engine.
Fig. 2 is the figure that represents the speed changer of embodiments of the present invention, is to watch change from topThe top view of speed device.
Fig. 3 is the figure that represents the speed changer of embodiments of the present invention, is to watch change from leftThe left side view of speed device.
Fig. 4 is the figure that represents the speed changer of embodiments of the present invention, is to watch from IV directionThe amplification stereogram of lug boss for the installation of the speed changer of Fig. 3.
Fig. 5 is the figure that represents the speed changer of embodiments of the present invention, is to watch figure from V directionThe amplification stereogram of lug boss for the installation of 3 speed changer.
Fig. 6 is the figure that represents the speed changer of embodiments of the present invention, is to watch from VI directionThe amplification stereogram of lug boss for the installation of the speed changer of Fig. 3.
Fig. 7 is the figure that represents the speed changer of embodiments of the present invention, is mission caseStereogram.
Fig. 8 is the figure that represents the speed changer of embodiments of the present invention, is the speed changer case of Fig. 7The VIII-VIII of body cuts facing view.
Detailed description of the invention
Below, use the speed changer of brief description of the drawings embodiments of the present invention. Fig. 1~Fig. 8The figure that represents speed changer. First, formation is described.
In Fig. 1~Fig. 3, be formed with engine room 2 in the front portion of vehicle 1. Engine room 2Comprise the space being surrounded by longeron 3L, 3R and not shown instrument board, above-mentioned longeron 3L,3R extends on fore-and-aft direction in the anterior left and right directions both sides of vehicle 1, above-mentioned instrumentPlate extends on left and right directions in the rearward end of this longeron 3L, 3R.
At this, in the present embodiment, in the drawings before record, left, first-class word and arrow,Make its with the fore-and-aft direction of watching from the driver of not shown driver's seat who is seated at vehicle 1,Left and right directions and above-below direction are consistent.
Be provided with PWTN 5 at engine room 2, this PWTN 5 comprises engine 6With speed changer 7. Engine 6 is configured in the right side of engine room 2 in horizontal mode. Speed changeDevice 7 is configured to and the integrated transaxle of differential gear, with horizontal mode with startThe left side combination of machine 6. In vehicle 1, the driving force that engine 6 produces is by speed changer 7 speed changesAfter be delivered to not shown front-wheel.
At the right-hand mounting bracket 8 that is provided with of engine 6, this mounting bracket 8 is connected at longeronThe installation component 11 of the upper installation of 3R, is flexibly supported in longeron by this installation component 11 thus3R。
Be provided with mounting bracket 9 at the left of speed changer 7, this mounting bracket 9 is connected at longeronThe installation component 12 of the upper installation of 3L, is flexibly supported in longeron by this installation component 12 thus3L。
Speed changer 7 has mission case 20, and this mission case 20 is not shown as storageGear etc. shell and be formed as general cylindrical shape shape. Mission case 20 comprises:The 1st box component 21, it is connected to the left part of engine 6; And the 2nd box component 30,It is connected to the left part of the 1st box component 21.
Be formed with in the left part of the 1st box component 21 and be connected to the 1st of the 2nd box component 30Box component side flange portion 22. In addition, be formed with in the right part of the 2nd box component 30 and connectReceive the 2nd box component side flange portion 31 of the 1st box component 21.
The 1st box component 21 and the 2nd box component 30 are by using bolt 25 to above-mentioned the 1st casingMember side flange portion 22 and the 2nd box component side flange portion 31 carry out bolt connection and combination.
Upper surface part at the 2nd box component 30 of mission case 20 is formed with peristome 32(with reference to Fig. 7), is formed with the flange portion thicker than other position at the peripheral part of this peristome 3233。
As shown in Figure 4, Figure 5, be fixed with gearshift tower (shifttower) 50 in flange portion 33,This gearshift tower 50 has: gearshift chosen axis 51, and it inserts peristome 32; And cover member 52,It supports the upper end side of this gearshift chosen axis 51.
Cover member 52 supports gearshift chosen axis 51 and gearshift chosen axis 51 can swayAnd can on axis direction, slide. Cover member 52 by the bolt based on bolt 53 connect withFlange portion 33 combinations. In more detail, be formed with gearshift tower 50 at the upper surface of flange portion 33With the composition surface 33b that engages of cover member 52. And, cover member 52 with 33 of flange portionUnder the state engaging, be bolted securely and flange portion 33 combinations.
Gearshift chosen axis 51 is according to the 2nd casing structure of selecting operation with respect to mission case 20Part 30 on axis direction mobile freely, and according to gear shift operation with respect to mission case 20The 2nd box component 30 pivot. The bottom side of gearshift chosen axis 51 is supported in speed changeThe inside of the 2nd box component 30 of device casing 20.
Upper end at gearshift chosen axis 51 is provided with control stick 54 outside the selection of L word shapeWith the outer control stick 55 of gearshift. Select an end of outer control stick 54 to be linked with not shown selectionOne end of drag-line, gearshift chosen axis 51 is fixed in the other end of the outer control stick 55 of shifting gearsUpper end.
Select the other end of drag-line be located near driver's seat and with by driver's operation notThe bottom of illustrated gear shift operating rod links, when being operated and change in choice direction by driverWhen gear control stick, select outer control stick 54 by selecting drag-line to make to shift gears chosen axis 51 at axisSide moves up.
Outside gearshift, the central portion of control stick 55 is linked with one end of not shown gear-shifting inhaul cablePortion, the base end part of the outer control stick 55 of shifting gears is fixed on the upper end of gearshift chosen axis 51.
The other end of gear-shifting inhaul cable and the bottom of above-mentioned gear shift operating rod link, when by drivingWhen the person of sailing operates gear shift operating rod in gearshift direction, make gear-shifting inhaul cable by gear shift operating rodRotate around gearshift chosen axis 51.
In addition, the gearshift tower 50 of present embodiment comprises so-called remote control type gearshift machineStructure, but be not limited to this, can be both that gear shift operating rod is directly installed on to gearshift chosen axis 51The gearshift of so-called direct control mode, can be also the gearshift dress that is not limited to thisPut.
In the present embodiment, in the upper surface part of the 2nd box component 30, there is respectively spiral shellThe installation of keyhole 34a, 35a, 36a is formed on flange portion 33 with lug boss 34,35,36Near, above-mentioned bolt hole 34a, 35a, 36a are used for making mounting bracket 9 and mission case 20The 2nd box component 30 combinations.
In addition, install with the lug boss 36 of the installation in lug boss 34,35,36 as flangeIntegrally installation forms as one by lug boss and flange portion 33, installation lug boss 34,35 are independent of flange portion 33 is formed as independent installation lug boss.
In addition, as flange portion integrative installation technology with before the installation of lug boss lug boss 36The composition surface 33b (with reference to Fig. 7) with gearshift tower 50 of end face 36b and flange portion 33 is formed atSame plane.
In addition, the 2nd box component 30 of mission case 20 has: the perisporium 41 of tubular,It extends in the axial direction of speed changer 7; And end wall 42, it seals the axial of perisporium 41One end.
Dispose installation lug boss 35 near of the end wall 42 of perisporium 41. In addition, existNear of the end wall 42 of perisporium 41 is provided with rib 38, this rib 38 and lug boss 35 for installationBe connected with lug boss 36 with installation.
End 38a, the 38b of the length direction of rib 38 extends to the 1st box component 21 sides respectively,And be connected with the 2nd box component side flange portion 31.
Particularly, rib 38 from install with lug boss 35 to right front to linearity extendExtend with linearity to right-hand, then at the end of length direction 38a and at the 2nd box componentThe position of 30 upper surface front side is connected with the 2nd box component side flange portion 31.
In addition, rib 38 from install with lug boss 36 rearward with linearity extend backward right-hand withLinearity extends, then at the end of length direction 38b and at the upper table of the 2nd box component 30The position of face rear side is connected with the 2nd box component side flange portion 31.
Like this, the global shape of rib 38 becomes and is sealed by the 2nd box component side flange portion 31コ word shape.
As shown in Figure 6, be formed with cylindraceous at the 2nd box component 30 of mission case 20Lug boss 43 for shifting shaft. Shifting shaft is the 2nd casing structure from mission case 20 with lug boss 43The perisporium 41 of part 30 bloats to its radiation direction, and receives not shown shifting shaft in inside.
Shifting shaft is configured in and installs with lug boss 35 and install with lug boss 36 with lug boss 43Between. Shifting shaft is connected with rib 38 with the upper surface of lug boss 43. In other words, shifting shaftForm its base end part in a part for rib 38 with lug boss 43.
In addition, the 2nd box component 30 of mission case 20 as shown in Figure 7, Figure 8, passes throughUse the casting of the 1st mold the 71, the 2nd mold 72, the 3rd mold 73 and moulding.
Make to dispose flange portion 33 as perisporium with the 1st mold 71 of mold and install by projectionThe upper surface moulding of the perisporium 41 of portion 34,35,36 is extracted upward in the time carrying out the demoulding.
Make the lower surface of end wall 42 and perisporium 41 with the 2nd mold 72 of mold as end wallMoulding is pulled out to left in the time carrying out the demoulding. The 3rd mold 73 forms the 2nd box component 30Inner surface, in the time carrying out the demoulding, be pulled out to right-hand.
In the present embodiment, above-mentioned rib 38 is disposed at along the 1st mold 71 and the 2nd mold 72The position of die joint 74.
Below, illustration. In the present embodiment, the 2nd casing of mission case 20The flange portion 33 of member 30 is formed as thicker than other position, and engages and connect with gearshift tower 50Connect, therefore rigidity is high. And, there is the installation of bolt hole 34a, 35a, 36a with protrudingPortion 34,35,36 is formed near of the flange portion 33 that rigidity is high, above-mentioned bolt hole 34a,35a, 36a are for making the 2nd box component 30 combinations of mounting bracket 9 and mission case 20.
In addition, install with the lug boss 36 of the installation in lug boss 34,35,36 as flangeIntegrally installation forms as one by lug boss and flange portion 33. Projection for remaining installationPortion 34,35 is independent of flange portion 33 and is formed as independent installation lug boss.
That is, installation has with lug boss 34,35,36: its conduct is installed with lug boss 36Flange portion integrative installation technology forms as one by lug boss and flange portion 33; And install with protrudingPlay portion 34,35, it is independent of flange portion 33 and is formed as independent installation lug boss.
Thus, will install with at least one the installation lug boss in lug boss 34,35,3636 are formed as one as flange portion integrative installation technology by lug boss and the high flange portion 33 of rigidityBody, therefore can suppress to install with lug boss because the effect of external force is vibrated.
Thereby, can improve the combination rigidity of mounting bracket 9 with respect to mission case 20,Can reduce the vibration that is delivered to car body from mounting bracket 9.
In addition, in the present embodiment, by front end face 36b and the method for installing with lug boss 36The composition surface 33b with gearshift tower 50 of orchid portion 33 is formed as same plane.
Can guarantee thus area flange portion 33 and composition surface gearshift tower 50, and canInstallation is formed as one by lug boss 36 and flange portion 33.
Therefore, can improve and install with lug boss 34,35,36 with respect to mission case 20Combination rigidity, can reduce the vibration that is delivered to car body from mounting bracket 9.
In addition, in the present embodiment, the 2nd box component 30 of mission case 20 has:The perisporium 41 of tubular, it extends in the axial direction of speed changer 7; And end wall 42, its sealingAxial one end of perisporium 41. Near the configuration installation lug boss end wall 42 of perisporium 4135, and be provided with and install with lug boss 35 and the rib 38 being connected with lug boss 36 is installed.
Thus, form near that is positioned at end wall 42 in the perisporium 41 of mission case 20Part is not yielding in the radiation direction of mission case 20. Therefore, be disposed at perisporium 41Near the installation of of end wall 42 with lug boss 35 by being arranged at the end wall of perisporium 41Near the rib 38 of 42 links with lug boss 36 with installation. Thereby, can improve and be disposed at weekNear the installation of of the end wall 42 of wall 41 with lug boss 35 with respect to mission case 20In conjunction with rigidity.
In addition, in the present embodiment, mission case 20 has: the 1st box component 21,It is connected to engine 6; And the 2nd box component 30, it is connected to the 1st box component 21,The 2nd box component 30 is formed with the 2nd box component side flange that is connected to the 1st box component 21Portion 31 and installation lug boss 34,35,36. Length direction two sides' of rib 38 end 38a,38b extends to the 1st box component 21 sides, and is connected with the 2nd box component side flange portion 31.
Thus, the 2nd box component side flange portion 31 of the 2nd box component 30 is owing to being connected toSo 1 box component 21 are rigidity high and on-deformable part, length direction two of rib 38End 38a, the 38b of side are connected with the 2nd box component side flange portion 31, can carry thusHigh installation used the combination rigidity of lug boss 34,35,36 with respect to mission case 20.
In addition, in the present embodiment, the 2nd box component 30 of mission case 20 is to makeWith the 1st mold 71 and the 2nd mold 72 by casting, above-mentioned the 1st mold 71 is as makingThe perisporium of the face moulding that comprises flange portion 33 and installation lug boss 34,35,36 of perisporium 41With mold, above-mentioned the 2nd mold 72 conducts make the end wall mold of end wall 42 moulding,Position along the die joint 74 of the 1st mold 71 and the 2nd mold 72 disposes rib 38.
Dispose at the position of the die joint 74 along the 1st mold 71 and the 2nd mold 72 thusRib 38, can pass through medial surface and the upper surface of the 1st mold 71 moulding ribs 38 thus, andBy the lateral surface of the 2nd mold 72 moulding ribs 38.
Therefore, due to moulding rib 38, therefore with the die joint that dark recess is formed to moldThe situation at position is in addition compared, and can easily increase the height of rib 38, therefore can carryHigh installation by 34,35,36 rigidity with respect to mission case 20 of lug boss.
In addition, in the present embodiment, the 2nd box component 30 of mission case 20 possessesLug boss 43 for shifting shaft cylindraceous, above-mentioned shifting shaft uses lug boss 43 from perisporium 41 to changeThe radiation direction of speed device casing 20 bloats, and shifting shaft is accommodated in to inside. Shifting shaft is usedLug boss 43 is connected with rib 38.
The rib 38 being connected with lug boss 34,35,36 with installation is thus by shifting shaft lug boss43 strengthen, and therefore can improve and install with lug boss 34,35,36 with respect to mission case20 combination rigidity.
Although disclose embodiments of the present invention, should understand that those skilled in the art canApplying without departing from the scope of the invention change. Intention is by all this amendmentsBe contained in claim with equivalent.
Description of reference numerals
7 speed changers
9 mounting brackets
20 mission cases
21 the 1st box components
30 the 2nd box components
31 the 2nd box component side flange portions
32 peristomes
33 flange portion
33b composition surface
34 installation lug bosses
34a, 35a, 36a bolt hole
35 install with lug boss (independent installation lug boss)
35b front end face
36 install with lug boss (flange portion integrative installation technology lug boss)
36b front end face
38 ribs
41 perisporiums
42 end walls
43 shifting shaft lug bosses
50 gearshift towers
51 gearshift chosen axis
71 the 1st molds (perisporium mold)
72 the 2nd molds (end wall mold)
74 die joints.

Claims (6)

1. a speed changer, possesses:
Mission case, it is formed with peristome and flange portion, and above-mentioned flange portion is disposed at thisThe peripheral part of peristome; And
Gearshift tower, it has the gearshift chosen axis of inserting above-mentioned peristome, passes through boltedBe combined with above-mentioned flange portion,
Be formed with multiple installation lug bosses near of above-mentioned flange portion, above-mentioned installation is with protrudingThe portion of rising has the bolt hole for mounting bracket is combined with above-mentioned mission case,
Above-mentioned speed changer is characterised in that,
Above-mentioned installation has with lug boss:
Flange portion integrative installation technology lug boss, it has one at least, with above-mentioned flange portion shapeBecome one; And
Independent installation lug boss, it is formed as being independent of above-mentioned flange portion.
2. speed changer according to claim 1, is characterized in that,
Above-mentioned flange portion integrative installation technology is formed as and above-mentioned flange with the front end face of lug bossThe composition surface with above-mentioned gearshift tower of portion flushes.
3. according to claim 1 or speed changer claimed in claim 2, it is characterized in that,
Above-mentioned mission case has: the perisporium of tubular, it is in the axial direction of above-mentioned speed changerExtend; And end wall, it seals above-mentioned axial one end of above-mentioned perisporium,
In near of the above-mentioned end wall of above-mentioned perisporium, dispose 1 above-mentioned independent installation and useLug boss, and be provided with rib, above-mentioned rib is connected to this and independently installs with lug boss and above-mentionedFlange portion integrative installation technology lug boss.
4. speed changer according to claim 3, is characterized in that,
Above-mentioned mission case has: the 1st box component, and it is connected to engine; AndThe 2nd box component, it is connected to above-mentioned the 1st box component,
On above-mentioned the 2nd box component, be formed with the 2nd box component side flange portion and above-mentioned peaceDress lug boss, above-mentioned the 2nd box component side flange portion is connected to above-mentioned the 1st box component,
Extend to above-mentioned the 1st box component side at the length direction both ends of above-mentioned rib, and connectTo above-mentioned the 2nd box component side flange portion.
5. according to claim 3 or speed changer claimed in claim 4, it is characterized in that,
Above-mentioned mission case uses perisporium mold and end wall mold by being cast asType, above-mentioned perisporium comprises above-mentioned flange portion and above-mentioned installation lug boss with mold for mouldingThe face of above-mentioned perisporium, above-mentioned end wall with mold for the above-mentioned end wall of moulding,
At the position with the die joint of mold and above-mentioned end wall mold along above-mentioned perisporiumDispose above-mentioned rib.
6. according to the speed changer described in any one in claim 3~claim 5, itsBe characterised in that,
Above-mentioned mission case possesses shifting shaft lug boss cylindraceous, and above-mentioned shifting shaft is usedThe radiation direction of lug boss from above-mentioned perisporium to above-mentioned mission case bloats and will shift gearsAxle is accommodated in inside,
Above-mentioned shifting shaft is connected to above-mentioned rib with lug boss.
CN201580002164.0A 2014-04-30 2015-04-21 Speed changer Expired - Fee Related CN105612077B (en)

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JP6201878B2 (en) 2017-09-27
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JP2015209184A (en) 2015-11-24
DE112015002080T5 (en) 2017-01-26

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