CN109291790A - Hybrid power module - Google Patents

Hybrid power module Download PDF

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Publication number
CN109291790A
CN109291790A CN201710611609.6A CN201710611609A CN109291790A CN 109291790 A CN109291790 A CN 109291790A CN 201710611609 A CN201710611609 A CN 201710611609A CN 109291790 A CN109291790 A CN 109291790A
Authority
CN
China
Prior art keywords
mounting portion
actuator
power module
hybrid power
bolt
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.)
Pending
Application number
CN201710611609.6A
Other languages
Chinese (zh)
Inventor
梁俊毅
郁开宇
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to CN201710611609.6A priority Critical patent/CN109291790A/en
Publication of CN109291790A publication Critical patent/CN109291790A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

A kind of hybrid power module, comprising: shell has inner cavity, circumferentially surrounds one week, and the cavity wall of the inner cavity is equipped with mounting portion, and the mounting portion has multiple first bolts hole of circumferentially spaced setting；Actuator is installed on the mounting portion, and for driving engagement, the separation of clutch, the actuator is equipped with multiple second bolts hole corresponding with first bolt hole；The rigidity of the material of the actuator is greater than the rigidity of the material of the mounting portion；Along the actuator to the direction of the mounting portion, second bolt hole includes first part and second part, and the first part is used to accommodate the nut of bolt, and the second part is passed through for the screw rod of bolt.Actuator and the cavity wall connective stability of the inner cavity of hybrid power module are good in the hybrid power module of this programme.

Description

Hybrid power module
Technical field
Present invention relates particularly to a kind of hybrid power modules.
Background technique
In existing hybrid vehicle, hybrid power module, hybrid power mould are equipped between engine and speed changer Block includes clutch and actuator, and actuator is used to drive the engagement of clutch, separation, with realize engine power transmitting or Cutting.Actuator is typically mounted in the cavity wall of the inner cavity of hybrid power module, but, the inner cavity of actuator and hybrid power module Cavity wall connective stability it is bad, actuator is difficult to be stably driven with the engagement of clutch and separation, is influencing clutch just It is often used.
Summary of the invention
Problems solved by the invention is that actuator and the cavity wall connective stability of the inner cavity of hybrid power module are bad.
To solve the above problems, the present invention provides a kind of hybrid power module, comprising: shell has inner cavity, circumferentially ring Around one week, the cavity wall of the inner cavity was equipped with mounting portion, and the mounting portion has multiple first bolts hole of circumferentially spaced setting；
Actuator is installed on the mounting portion, for drive clutch engagement, separation, the actuator be equipped with Corresponding multiple second bolts hole of first bolt hole；
The rigidity of the material of the actuator is greater than the rigidity of the material of the mounting portion；
Along the actuator to the direction of the mounting portion, second bolt hole includes first part and second part, The first part is used to accommodate the nut of bolt, and the second part is passed through for the screw rod of bolt.
Optionally, the circular in cross-section or ellipse of the first part.
Optionally, the cross section of the first part is in polygon.
Optionally, the first part is surrounded by circumferentially distributed multiple interconnecting pieces, and a pair of at least within adjacent two The junction of interconnecting piece is equipped with rounded corner.
Optionally, the radius of the rounded corner is 1cm to 2cm.
Optionally, the depth of the first part is more than or equal to the height of the nut.
Optionally, the material of the actuator is steel, and the material of the mounting portion is aluminium.
Optionally, the actuator includes: body part, is installed on the mounting portion；
Axially-extending portion is convexly equipped in the body part along axial direction, has axially through the axially-extending portion and described The axis hole of body part, the axis hole are passed through for the output shaft of engine；
The mounting portion has the through-hole axially through the mounting portion, passes through for the axially-extending portion.
Optionally, second bolt hole is circumferentially equidistantly spaced apart.
Optionally, the mounting portion and the shell are integrally formed.
Compared with prior art, technical solution of the present invention has the advantage that
The rigidity of the material of actuator of the present invention is greater than the rigidity of the material of the mounting portion in the cavity wall of the inner cavity of shell, if In the second bolt hole on actuator include first part and second part.Wherein, first part is used to accommodate the nut of bolt, Second part is passed through for the screw rod of bolt.After actuator is bonded with mounting portion, the second bolt hole be set on mounting portion the The alignment of one bolt hole, the screw rod of bolt sequentially pass through the second part and the first bolt hole of the second bolt hole, the nut position of bolt In the first part of the second bolt hole.To which actuator and mounting portion are bolted to connection namely actuator is moved with mixing The cavity wall of the inner cavity of power module is fixedly connected.
Since the rigidity of the material of actuator is greater than the rigidity of the material of mounting portion, is processed on the actuator for accommodating The second part of the nut of bolt, second part are not easy stress and concentrate and crack, thus actuator and hybrid power module The cavity wall connective stability of inner cavity is good, is conducive to drive the engagement of clutch, separation.
Detailed description of the invention
Fig. 1 is the perspective view of shell in hybrid power module of the embodiment of the present invention；
Fig. 2 is the perspective view one of actuator in hybrid power module of the embodiment of the present invention；
Fig. 3 is the perspective view two of actuator in hybrid power module of the embodiment of the present invention；
Fig. 4 is the sectional view for the second bolt hole being set on actuator in hybrid power module of the embodiment of the present invention；
Fig. 5 is the assembling relationship figure of the first bolt hole of the embodiment of the present invention, the second bolt hole and bolt；
Fig. 6 is the cross-sectional view of the first part of the second bolt hole in variation of the present invention；
Fig. 7 is the perspective view three of actuator in hybrid power module of the embodiment of the present invention.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.
The present invention provides a kind of hybrid power module, and with reference to Fig. 1, hybrid power module includes: shell 10, and shell 10 has Clutch (not shown go out) can be arranged in inner cavity in the inner cavity of shell 10, motor (not shown go out), external rotor rotation become device (figure Be not shown) etc. components.Hybrid power module is set between engine (not shown go out) and speed changer (not shown out) namely motor And clutch is mounted between gearbox and engine.Wherein, the inside of clutch retraction motor, the hybrid power mould of this type Block is referred to as P2 hybrid power module.
It with reference to Fig. 1, circumferentially rounds (in Fig. 1 shown in the direction A), the cavity wall 11 of the inner cavity of shell 10 is equipped with mounting portion 12, in the present embodiment, mounting portion 12 and shell 10 are integrally formed.In other embodiments, mounting portion can be set otherwise In in the cavity wall of the inner cavity of shell.Wherein, mounting portion 12 has multiple first bolts hole 13 of circumferentially spaced setting, for supplying Bolt passes through.
With reference to Fig. 2, hybrid power module of the invention further include: actuator 20, actuator 20 are installed on mounting portion 12, use Engagement, separation in driving clutch.Wherein, actuator 20 is equipped with multiple second bolts hole corresponding with the first bolt hole 13 23, that is, the quantity of the second bolt hole 23 is consistent with the quantity of the first bolt hole 13, in the present embodiment, the first bolt hole 13 and The quantity of two bolts hole 23 is seven, can there is greater number of bolt hole in other embodiments.Actuator 20 and installation Portion 12 can be bolted together, so that actuator 20 is installed in the cavity wall 11 of the inner cavity of hybrid power module.
In the prior art, heavy platform is additionally provided on mounting portion, for accommodating the nut of bolt.When screw bolt passes first After bolt hole, the second bolt hole, the nut of bolt is located at heavy platform, by biggish contact area, and to provide axial direction with mounting portion Pressing force, so that mounting portion is bolted connection with actuator.
For light-weighted consideration, the material of mounting portion and shell is aluminium material, alleviates the matter of hybrid power module Amount.And mounting portion and shell are to be integrally formed, and in order to promote manufacture efficiency, design bolt hole and heavy platform knot on mounting portion together Structure.The rigid of mounting portion is reduced since the nut of bolt can generate axial pressing force after heavy platform is arranged in the mounting portion of aluminium material Degree, and the mounting portion of aluminium material meeting stress at heavy platform is concentrated and is cracked.This allows for mounting portion and the connection of actuator is steady Qualitative to be greatly affected, once mounting portion cracks, actuator is difficult normally to drive the engagement of clutch, separation, influences The normal work of clutch.
Since mounting portion and the shell of hybrid power module are integrally formed, to increase the rigidity of mounting portion, need integrally more The material of shell is changed, such as steel is become from aluminium, since the overall volume of hybrid power module is larger, after replacing steel material, so that The total quality of hybrid power module increases very much, this is just unsatisfactory for lightweight requirements.
But the connective stability of actuator and mounting portion is again critically important.To meet lightweight requirements and stable connection simultaneously Property require, the rigidity of the material of actuator 20 of the present invention is greater than the rigidity of the material of mounting portion 12, and the material of mounting portion 12 is aluminium, And the material of actuator 20 is steel, such as C45 steel.With reference to Fig. 3 and Fig. 4, along the direction (X in Fig. 4 of actuator 20 to mounting portion 12 Shown in direction), the second bolt hole 23 includes first part 25 and second part 24, and first part 25 is used to accommodate the spiral shell of bolt Cap, second part 24 are passed through for the screw rod of bolt.
Quite it is arranged on actuator 20 as the first part of heavy platform 25 in this present embodiment, due to actuator 20 The rigidity of material is greater than the rigidity of the material of mounting portion 12, and second for accommodating the nut of bolt is processed on actuator 20 Divide 24, second part 24 is not easy stress and concentrates and crack.To the cavity wall 11 of actuator 20 and the inner cavity of hybrid power module Connective stability is good, is conducive to drive the engagement of clutch, separation.
With reference to Fig. 5, after actuator 20 is bonded with mounting portion 12, the second part 24 of the second bolt hole 23 be set to installation The first bolt hole 13 alignment in portion 12, the screw rod 31 of bolt 30 sequentially pass through the second part 24 and first of the second bolt hole 23 Bolt hole 13, the nut 32 of bolt 30 is located at the first part 25 of the second bolt hole 23, and provides axial pressing force along axial；From And actuator 20 is fixedly connected with mounting portion 12 by bolt 30.
Due to being provided with multiple bolts hole, it will use multiple bolts 30 accordingly, each bolt 30 can provide axial pressure Clamp force.In order to enable 12 uniform stressed of actuator 20 and mounting portion, the first bolt hole 13 of the invention and the second bolt hole 23 are Circumferentially spaced, the axial pressing force that bolt 30 each in this way provides can be uniformly distributed, and actuator 20 and mounting portion 12 connect It connects more stable.
It should be noted that since first part 25 need to be processed on actuator 20 as the heavy platform for accommodating nut 32.And it causes Executing agency can be set on dynamic device 20 to drive engagement, the separation of clutch, such as ball-screw knot is set on actuator 20 Structure, ball-screw can convert circumferential movement to linear motion, and the linear motion of ball-screw can drive connecing for clutch Splitting or integrating from.The quality that actuator 20 can be mitigated after processing first part 25 on actuator 20, also reduces to a certain extent The support strength of actuator 20, it is possible to can be difficult to support executing agency.
Therefore, with reference to Fig. 3 and as shown in connection with fig. 1, in the present embodiment, table of the actuator 20 backwards to the part 26 of mounting portion 12 Face thickness will increase, and increase the quality of actuator 20 to meet the support performance of actuator 20.In actuator 20 backwards to mounting portion The surface of 12 part 26 processes first part 25.It is computed, the total quality range of former actuator is 1.7kg to 1.9kg, is used It is 2.5kg to 2.7kg in the mass range of the actuator 20 of the present embodiment of processing heavy platform, processes the surface of the part 26 of heavy platform Thickness range is 16mm to 18mm, about increases 3mm, quality increase about 0.8kg compared to former design.And total matter of hybrid power module Amount influences the variation of hybrid power module little in 45kg or so, the quality of the increased 0.8kg of actuator 20 of the present embodiment.
That is, the hybrid power module of the present embodiment also improves rot and shell while meeting light-weighted require The connective stability of the cavity wall 11 of the inner cavity of body 10, actuator 20 can be stably driven with the engagement of clutch, separation.
In addition, it should be noted that, the concrete shape of first part 25 of the invention is with no restrictions, transversal in the present embodiment Face is rounded or oval.
In other embodiments, the cross section of first part is in polygon.For example, first part 25 is by along week with reference to Fig. 6 It is surrounded to multiple interconnecting pieces 251 of (in Fig. 6 shown in Y-direction) distribution, four interconnecting pieces 251 is shown in figure, can also be had more The interconnecting piece of multi-quantity.The junction of two adjacent interconnecting pieces 251 is equipped with rounded corner 252, is also possible to only one pair of them phase The junction of adjacent interconnecting piece is equipped with rounded corner, and the radius of rounded corner 252 is 1cm to 2cm.
In the present embodiment, the circular in cross-section or ellipse of first part 25；In other embodiments, first part 25 There is chamfering, such setting can reduce first part 25 after accommodating nut, the axial compression that nut provides in cross section The stress that power generates is concentrated, and prevents 25 stress of first part from concentrating and cracking.
The radius of chamfering in variation is bigger, and stress concentration improvement is more obvious.The radius of chamfering arrives greatly certain journey Cross section is just similar to round or ellipse after degree.
Further, since actuator 20 is mounted in the inner cavity of shell 10 of hybrid power module, hybrid power mould Block it is interior it is intracavitary also will be installed other components, for avoid on actuator 20 install bolt after, nut is in the axial direction to other components It causes to interfere, in the present embodiment, the depth of first part 25 is more than or equal to the height of nut.With reference to Fig. 3, it is equivalent to nut and is located at After first part 25, nut is lower than actuator 20 backwards to the surface of the part 26 of mounting portion 12；Nut be can avoid in this way in axial direction Other components in the inner cavity of upper interference hybrid power module.
With reference to Fig. 7, actuator 20 of the invention includes: body part 21, and body part 21 is installed on after being bonded with mounting portion 12 Mounting portion 12；Axially-extending portion 22 is convexly equipped in body part 21 along axial direction.Axially-extending portion 22 has axially through axially extending The axis hole 22a in portion 22 and body part 21, axis hole 22a are passed through for the output shaft (not shown go out) of engine.With reference to Fig. 1, mounting portion 12 have the through-hole 14 axially through mounting portion 12, axially extending after the body part 21 of actuator 20 is installed on mounting portion 12 Through-hole 14 of the meeting of portion 22 on mounting portion 12.Axially-extending portion 22, which is arranged, can promote the power transmitting of output shaft of engine Stability.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute Subject to the range of restriction.

Claims (10)

1. a kind of hybrid power module, comprising:
Shell has inner cavity, circumferentially surrounds one week, and the cavity wall of the inner cavity is equipped with mounting portion, and the mounting portion had along week To spaced multiple first bolts hole；
Actuator is installed on the mounting portion, for drive clutch engagement, separation, the actuator be equipped with it is described Corresponding multiple second bolts hole of first bolt hole；
It is characterized in that, the rigidity of the material of the actuator is greater than the rigidity of the material of the mounting portion；
Along the actuator to the direction of the mounting portion, second bolt hole includes first part and second part, described First part is used to accommodate the nut of bolt, and the second part is passed through for the screw rod of bolt.
2. hybrid power module as described in claim 1, which is characterized in that the circular in cross-section of the first part is ellipse It is round.
3. hybrid power module as described in claim 1, which is characterized in that the cross section of the first part is in polygon.
4. hybrid power module as claimed in claim 3, which is characterized in that the first part is by circumferentially distributed multiple Interconnecting piece surrounds, and the junction of two adjacent interconnecting pieces a pair of at least within is equipped with rounded corner.
5. hybrid power module as claimed in claim 4, which is characterized in that the radius of the rounded corner is 1cm to 2cm.
6. hybrid power module as described in claim 1, which is characterized in that the depth of the first part is more than or equal to described The height of nut.
7. hybrid power module as described in claim 1, which is characterized in that the material of the actuator is steel, the installation The material in portion is aluminium.
8. hybrid power module as described in claim 1, which is characterized in that the actuator includes:
Body part is installed on the mounting portion；
Axially-extending portion is convexly equipped in the body part along axial direction, has axially through the axially-extending portion and the ontology The axis hole in portion, the axis hole are passed through for the output shaft of engine；
The mounting portion has the through-hole axially through the mounting portion, passes through for the axially-extending portion.
9. hybrid power module as described in claim 1, which is characterized in that second bolt hole is circumferentially equidistantly spaced Distribution.
10. hybrid power module as described in claim 1, which is characterized in that the mounting portion and the shell are integrally formed.
CN201710611609.6A 2017-07-25 2017-07-25 Hybrid power module Pending CN109291790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710611609.6A CN109291790A (en) 2017-07-25 2017-07-25 Hybrid power module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710611609.6A CN109291790A (en) 2017-07-25 2017-07-25 Hybrid power module

Publications (1)

Publication Number Publication Date
CN109291790A true CN109291790A (en) 2019-02-01

Family

ID=65167871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710611609.6A Pending CN109291790A (en) 2017-07-25 2017-07-25 Hybrid power module

Country Status (1)

Country Link
CN (1) CN109291790A (en)

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Application publication date: 20190201