CN106246756A - Wheel hub, sliding sleeve and synchronizer and for manufacturing the method for wheel hub and for the method manufacturing sliding sleeve - Google Patents
Wheel hub, sliding sleeve and synchronizer and for manufacturing the method for wheel hub and for the method manufacturing sliding sleeve Download PDFInfo
- Publication number
- CN106246756A CN106246756A CN201610394185.8A CN201610394185A CN106246756A CN 106246756 A CN106246756 A CN 106246756A CN 201610394185 A CN201610394185 A CN 201610394185A CN 106246756 A CN106246756 A CN 106246756A
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- China
- Prior art keywords
- sliding sleeve
- wheel hub
- tooth
- section
- hub
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0625—Details of members being coupled, e.g. gears
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0631—Sliding sleeves; Details thereof
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0656—Details of the tooth structure; Arrangements of teeth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention describes the wheel hub (12) of the synchronizer (10) for motor vehicles, wherein said wheel hub (12) includes the outer toothed portion (24) being made up of the dusty material sintered, and described outer toothed portion has multiple wheel hub tooth (26) and the wheel hub backlash (28) between wheel hub tooth.Additionally, described wheel hub tooth (26) has at least two hub section (36,38,40) and moves axially the width of the upper change in direction (X).Described at least two hub section (36,38,40) is respectively provided with lateral those widened sections (42,44), and described those widened sections moves axially to be seen on direction (X) on the opposed each side being arranged on described wheel hub tooth (26).In addition describe sliding sleeve (14), synchronizer (10), be used for the method manufacturing wheel hub (12) and the method being used for manufacturing sliding sleeve (14).
Description
Technical field
The present invention relates to a kind of wheel hub, a kind of sliding sleeve and a kind of synchronizer, it has wheel hub and sliding sleeve.
Additionally, the present invention relates to a kind of method for manufacturing wheel hub and a kind of method for manufacturing sliding sleeve.
Background technology
Synchronizer well known in the art, it uses in the transmission and has at least one wheel hub and slip
Sleeve.Additionally, generally arrange synchronous ring and escape wheel or clutch body in synchronizer, when escape wheel or clutch body to switch
Time, sliding sleeve utilizes escape wheel or clutch body and wheel hub to couple in order to rotational motion.It is known that sliding sleeve and/or from
Zoarium has ratchet geometry, be ensure that by ratchet geometry, the sliding sleeve only ability when rotating speed balance or synchronization
Can be adjusted.Become easy to make sliding sleeve connect in the clutch teeth portion of clutch body, be usually provided with meshing geometry
Structure, its sliding sleeve tooth finished up by tip and/or clutch body tooth are realized.
In order to manufacture sliding sleeve, disclose the most in the prior art, metal dust is filled in compacting tool set also
And make stamping parts (green compact) solidify under pressure, then this stamping parts is sintered.
But, the structure of sliding sleeve well known in the prior art also cannot become in a simple pressing process
Type.The problematic structure being to have undercutting relative to the stripping direction of mould.In sliding sleeve, can be regarded as problematic knot
Structure is the undercutting (deposition) in interior teeth portion, and sliding sleeve can be kept by interior teeth portion in switching state.
The concrete geometry of interior teeth portion manufactures typically via the attached cutting processing of sliding sleeve, this machining
Can carry out after sliding sleeve manufacture or during the manufacture of sliding sleeve.Based on geometry well known in the prior art
Impossible, in a sintering process, only manufacture sliding sleeve tooth and/or clutch body tooth, i.e. there is no machining.
But, the additional processing of sliding sleeve milling the most afterwards is bothersome and is delayed sliding sleeve
Manufacture process.
Summary of the invention
The task of the present invention is to provide a kind of synchronizer, and it can manufacture in a straightforward manner.
This task is solved by the wheel hub of the synchronizer for motor vehicles according to the present invention, wherein, outside wheel hub includes
Teeth portion, this outer toothed portion has multiple wheel hub tooth and the wheel hub backlash between wheel hub tooth, and wherein, the most described outer toothed portion is by sintering
Dusty material constitute, and wherein wheel hub tooth has at least two hub section and moves axially on direction the width of change
Degree, wherein, described at least two hub section is respectively provided with lateral those widened sections, and the described those widened sections side of moving axially looks up
It is arranged on opposed each side of wheel hub tooth.
The basic conception of the present invention is, the outer toothed portion of wheel hub directly manufactures with desired shape.This is real in the following way
Existing: hub section has those widened sections on opposed each side, thus outer toothed portion can be constituted without undercutting during fabrication.Need not be right
Outer toothed portion carries out the processing added.Correspondingly, it is provided that a kind of wheel hub for synchronizer, this wheel hub can be with simply
Mode is manufactured.This makes the manufacture of whole synchronizer become easy.The different in width of wheel hub tooth and be arranged on opposed each
Lateral those widened sections on side forms the holding profile on wheel hub tooth.By this holding profile, wheel hub can be via its outer toothed portion
Jointly act on sliding sleeve, in order to wheel hub is maintained in switched state.
Therefore the outer toothed portion of wheel hub is constituted in the way of tool-free (werkzeugfallend).Therefore, outer toothed portion is permissible
Directly use, because without reprocessing.
According on the other hand, wheel hub tooth is respectively provided with at least one wheel hub hypotenuse.Wheel hub hypotenuse has specifically ensured that and wheel hub
Coefficient sliding sleeve can be adjusted to again neutral state from its switching state.To this end, the power of axial action is applied
On sliding sleeve.Additionally, wheel hub hypotenuse has manufactured outer toothed portion, i.e. same manufacture in unique process steps simultaneously.
Especially, wheel hub is made up of the dusty material sintered.According to this form of implementation, not only outer toothed portion is by the powder material sintered
Material manufactures, and whole wheel hub is produced from.To this end, additional process steps in the mill can be saved, the most individually make
The outer toothed portion made must be placed on the hub body of wheel hub.
Additionally, the task of the present invention is solved by the sliding sleeve of the synchronizer for motor vehicles, wherein slip cap
Cylinder includes interior teeth portion, and this interior teeth portion has multiple sliding sleeve tooth and the sliding sleeve backlash between sliding sleeve tooth, wherein
The most described interior teeth portion is made up of the dusty material sintered, and wherein sliding sleeve tooth has at least two sliding sleeve section
With move axially on direction the width of change, wherein, described at least two sliding sleeve section is respectively provided with lateral widening
Portion, the described those widened sections side of moving axially looks up on the opposed each side being arranged on sliding sleeve tooth.
The interior teeth portion of sliding sleeve, the especially geometry of sliding sleeve tooth are equally directly with desired shape system
Make, because it is sintered.This is possible, widens because sliding sleeve section has on opposed each side of sliding sleeve tooth
Portion, thus outer toothed portion can be constituted without deposition during fabrication.Mold tool can be made the most in a straightforward manner to move apart.Internally
Teeth portion additional the most afterwards or processing simultaneously not necessarily, thus can simpler and cost much less expensively
Manufacture sliding sleeve.The different in width of sliding sleeve tooth and lateral the widening being arranged on opposed each side of sliding sleeve tooth
Portion forms the holding profile on sliding sleeve tooth, and this holding profile can act on jointly with the holding wheel hub on wheel hub tooth, in order to
Formed and keep geometry.Sliding sleeve is maintained in switching state by keeping geometry.
Therefore the interior teeth portion of sliding sleeve is constituted in the way of tool-free.
According on the other hand, sliding sleeve tooth is respectively provided with slip cap in the transitional region of the two sliding sleeve section
Cylinder hypotenuse.Sliding sleeve hypotenuse ensure that, as long as the axial force acted in the direction of movement being applied on sliding sleeve, then may be used
To adjust sliding sleeve in a straightforward manner.Owing to the interior teeth portion of sliding sleeve does not undercut and also by the dusty material sintered
Manufacture, so sliding sleeve hypotenuse simultaneously and can manufacture interior teeth portion in common process steps.As long as additionally, sliding
Sleeve hypotenuse acts on jointly with wheel hub hypotenuse, then sliding sleeve hypotenuse can serve as axial end portion backstop, and wheel hub hypotenuse is arranged on
In the transitional region of wheel hub.
Especially, sliding sleeve is made up of the dusty material sintered.According to this form of implementation, not only interior teeth portion is by the powder sintered
Powder material manufactures, and whole sliding sleeve is produced from.To this end, the additional process in manufacturing sliding sleeve can be saved
Step, the most separately fabricated interior teeth portion must be placed on slip cap cylinder.
Additionally, the present invention relates to a kind of synchronizer, this synchronizer has the wheel hub of the type described in beginning and/or opens
The sliding sleeve of the type described in Tou.Described advantage is similarly applicable for synchronizer.
Additionally, the task of the present invention is solved for manufacturing the method for wheel hub with outer toothed portion by a kind of, have as
Lower step:
A) offer has the tool die in two mould that can move each other half portions, and described mould half portion limits wheel hub respectively
Outline and the section of Internal periphery and there is protuberance, wheel hub tooth can be consisted of protuberance, and described wheel hub tooth has
The those widened sections that at least two is lateral, described those widened sections is arranged on opposed each side of wheel hub tooth in the axial direction,
B) metal dust is introduced in tool die,
C) in tool die extrude metal dust in order to produce wheel hub,
D) mould half portion is made to move apart each other,
E) wheel hub being extruded with outer toothed portion is taken out,
F) it is sintered producing component strength to the wheel hub being extruded.
Utilize the method it is possible that manufacture wheel hub in a straightforward manner and only by unique process, the most sintered
Journey.The geometry of wheel hub especially wheel hub tooth can be formed by the shape in mould half portion of tool die.This is possible,
Because wheel hub does not undercut, it is constituted only with the deposition being previously incorporated, and deposition may require that processing afterwards.Wheel hub is especially
Outer toothed portion is tool-free.Step f) is the heat treatment of the wheel hub being extruded.
The wheel hub manufactured in sintering process can have the feature of wheel hub described above.It is similarly obtained advantage.
Additionally, the task of the present invention is solved by a kind of method for manufacturing the sliding sleeve with interior teeth portion, tool
Have the following steps:
A) offer has the tool die in mould half portion that at least two can move each other, and described mould half portion limits respectively
The outline of sliding sleeve and the section of Internal periphery and have protuberance, sliding sleeve tooth can be consisted of protuberance, institute
Stating sliding sleeve tooth and have the those widened sections that at least two is lateral, described those widened sections is arranged on sliding sleeve tooth in the axial direction
On opposed each side,
B) metal dust is introduced in tool die,
C) in tool die extrude metal dust in order to produce sliding sleeve,
D) mould half portion is made to move apart each other,
E) sliding sleeve being extruded with interior teeth portion is taken out,
F) it is sintered producing component strength to the sliding sleeve being extruded.
Utilize the method it is possible that manufacture sliding sleeve in a straightforward manner and only by unique process, i.e. burn
Knot process.The geometry of sliding sleeve especially sliding sleeve tooth can carry out shape by the shape in mould half portion of tool die
Become.This is possible, because sliding sleeve does not undercut, it is constituted only with the deposition being previously incorporated.Based on this, permissible
Save the additional processing of sliding sleeve tooth required in the prior art.The especially interior teeth portion of sliding sleeve is tool-free.Step
Rapid f) is the heat treatment of the sliding sleeve being extruded.
The sliding sleeve manufactured in sintering process especially can have the feature of sliding sleeve described above.
Generally, thus it is possible that clutch tooth constitutes also without undercutting or deposition or manufactures, simplify the most equally
It manufactures.
Accompanying drawing explanation
Other advantages and features of the present invention obtain from description below and the appended accompanying drawing being referenced.In the accompanying drawings
Illustrate:
Fig. 1 shows the decomposed figure of the synchronizer according to the present invention,
Fig. 2 shows the side view of the synchronizer in Fig. 1,
Fig. 3 shows the front view of the synchronizer in Fig. 1 and Fig. 2,
Fig. 4 shows the sectional view along straight line A-A of the synchronizer of Fig. 1 to Fig. 3,
Fig. 5 shows the sectional view of synchronizer of straight line B-B in neutral state along Fig. 3, and
Fig. 6 shows the sectional view of synchronizer of straight line B-B in switching state along Fig. 3.
Detailed description of the invention
Fig. 1 shows a part for the synchronizer 10 of the change speed gear box for motor vehicles.
This synchronizer 10 includes the wheel hub 12 of plate-like, is seated on gear shaft and circumferentially this wheel hub anti-torsion
Direction rotates around pivot center D.Additionally, synchronizer 10 has the sliding sleeve 14 of substantially annular, this sliding sleeve exists
Be movably disposed on axial direction and anti-torsion couple with wheel hub 12.Additionally, synchronizer 10 have synchronous ring 16 with
And clutch body 18, it is a part for the escape wheel being not shown here, and the rotational motion at clutch body 18 and wheel hub 12 is synchronized
Afterwards, this escape wheel can be switched.
In order to synchronous axial system moves, synchronous ring 16 is set, can be set up at wheel hub 12 and clutch body 18 by synchronous ring or
Frictional connection between escape wheel.To this end, synchronous ring 16 has friction cone.Furthermore, it is possible to arrange the most unshowned pre-same
Step unit, it is bonded on sliding sleeve 14 and will axially switch power against to be coupled when sliding sleeve 14 moves axially
Escape wheel loading synchronous ring 16.
Generally, synchronous ring 16 can rotate limitedly relative to wheel hub 12 so that synchronous ring 16 can take up lockup state,
In this lockup state, wheel hub 12 can not axially adjust.And when synchronizing rotational motion, synchronous ring 16 occupies release
State, in these release conditions, moving axially of sliding sleeve is possible so that sliding sleeve 14 can be connected and be linked into the phase
The gear hoped.
Synchronizer 10 can have other the most unshowned clutch bodies 18, spring, latch elements and/or backing plate, profit
Synchronize with it.
Synchronous ring 16 and clutch body 18 have synchronization teeth portion 20 or clutch body gear part 22.Synchronize teeth portion 20 and clutch body
Teeth portion 22 is separately positioned on outside synchronous ring 16 or clutch body 18 and jointly can act on sliding sleeve 14.
Wheel hub 12 has hub body 23 and the outer toothed portion 24 being disposed thereon, and this outer toothed portion is by the dusty material shape sintered
Become.Outer toothed portion 24 includes wheel hub tooth 26 and wheel hub backlash 28, and they are respectively between two wheel hub teeth 26.
Sliding sleeve 14 has slip cap cylinder 29 and interior teeth portion 30, and this interior teeth portion is formed by the dusty material sintered.Sliding
The interior teeth portion 30 of moving sleeve 14 has sliding sleeve tooth 32 and sliding sleeve backlash 34, and they are respectively at two sliding sleeve teeth
Between.
Show the side view of synchronizer 10 in the state assembled and front view in figs. 2 and 3, the most thus
Showing pivot center D, the parts of synchronizer 10 are around pivot axis.
Figure 4 illustrates the synchronizer 10 along the hatching A-A shown in Fig. 3.Synchronizer 10 is in neutral state
In, it is intended that sliding sleeve 14 does not engage via clutch body teeth portion 22 with synchronous ring 16 or clutch body 18.
In neutral state, the interior teeth portion 30 of sliding sleeve 14 engages with the outer toothed portion 24 of wheel hub 12 so that wheel hub tooth 26
In sliding sleeve backlash 34, and simultaneously sliding sleeve tooth 32 in wheel hub backlash 28.
This neutral state is also in fig. 5 it is shown that this Fig. 5 shows the sectional view of the cutting line B-B along Fig. 3.Slip cap
The center of cylinder 14 is then situated in axis layer N, and it is represented by the dotted line in Fig. 5.
Also obtain from Fig. 5, wheel hub tooth 26 according to shown form of implementation be respectively provided with three hub section 36 to
40, it is differently composed.Thus, wheel hub tooth 26 has and moves axially the width seeing change on the X of direction.Axial moving direction
X is schematically illustrated by arrow in Fig. 2 and Fig. 4 to Fig. 6.Moving direction X arrives switching state from neutral state
Direction.
First wheel section 36 has width bigger compared with the second hub section 38, and this width corresponds essentially to
The width of three-hub section 40.Second hub section 38 is arranged between first wheel section 36 and third round hub section 40, its
Middle hub section 36 to 40 integral type is fusion together.
First wheel section 36 and third round hub section 40 are respectively provided with (at moving direction relative to the second hub section 38
See on X) lateral those widened sections 42,44, thus the width of first wheel section 36 and third round hub section 40 is more than the second wheel hub
The width of section 38, this width is the basic width of wheel hub tooth 26.
At moving direction X, the first lateral those widened sections 42 of first wheel section 36 is stretched out to the left, and third round hub
Second lateral those widened sections 44 of section 40 is stretched out to the right.First wheel section 36 and third round exterior feature section 40 are the most relative to each other
Arrange the width of the those widened sections that offsetted 42,44.
In shown form of implementation, wheel hub tooth 26 constitutes the most in the same manner and sets with identical orientation
Put on hub body 23.Moving axially and see on the X of direction, the first lateral those widened sections 42 of all wheel hub teeth 26 is pointed to the left,
And the second lateral those widened sections 44 is pointed to the right.
But alternatively, wheel hub tooth 26 also has different relative orientations.
Additionally, first wheel section 36 and third round hub section 40 have end face 46,48, described end face is respectively provided with base
The geometry of rounding in basis, it can be consisted of wheel hub hypotenuse 50.Additionally, end face 46,48 is for keeping profile, end face and cunning
Holding profile on moving sleeve tooth 32 forms holding geometry together, as follow-up also to illustrate as.
Three hub section 36 to 40 are the most fusion together in transitional region 52,54.In described transitional region 52,54
Equally arranging wheel hub hypotenuse 50, it is constituted when manufacturing outer toothed portion 24.Wheel hub hypotenuse 50 in transitional region 52,54
Function is illustrated equally later.
Transitional region 52,54 is the transition of the basic width of the most lateral those widened sections 42,44 to wheel hub tooth 26 respectively,
On opposed each side, wherein there is the concordant or smooth transition of hub section 36 to 40 adjacent to each other.Wheel hub tooth 26 is being bowed
View substantially has stairstepping, because its end section is pointed in the opposite direction or widens.
Due to this geometry, it is possible to, outer toothed portion 24 can be manufactured in sintering process, because needed for Zhi Zaoing
Shaping jig can move apart each other.Need not being processed further outer toothed portion 24.The related profile of outer toothed portion 24 the most therefore with
Constitute to tool-free mode (werkzeugfallend: without tool processes).
Additionally, illustrate in detail sliding sleeve tooth 32 in Figure 5, sliding sleeve tooth has three sliding sleeve districts equally
Section 56 to 60, described sliding sleeve section is differently composed so that the width of sliding sleeve tooth 32 moves axially and sees on the X of direction
Change.
Compared with the second sliding sleeve section 58, the first sliding sleeve section 56 has bigger width, and this width is basic
On corresponding to the width of the 3rd sliding sleeve section 60.Second sliding sleeve section 58 be arranged on the first sliding sleeve section 56 with
Between 3rd sliding sleeve section 60, wherein sliding sleeve section 56 to 60 integral type is fusion together.
First sliding sleeve section 56 and the 3rd sliding sleeve section 60 have respectively relative to the second sliding sleeve section 58
There are the those widened sections 62,64 that (at moving direction X) is lateral, thus the first sliding sleeve section 56 and the 3rd sliding sleeve section
The width of 60 is more than the width of the second sliding sleeve section 58, and this width is the basic width of sliding sleeve tooth 32.
At moving direction X, the first lateral those widened sections 62 and the 3rd sliding sleeve of the first sliding sleeve section 56
Second lateral those widened sections 64 of section 60 is stretched out on corresponding sliding sleeve tooth 32 towards opposed each side.First slip cap
Therefore cylinder section 56 can be considered as the width of shifted laterally those widened sections 62,64.
Due to this geometry it is possible that the sliding sleeve 14 with corresponding interior teeth portion 30 is made in sintering process
Make, because mould half portion of the mold tool needed for can manufacturing simply moves apart each other.It is no longer necessary to internal teeth portion 30
It is processed further, such as milling.
Sliding sleeve section 56 to 60 is fusion together in transitional region 66,68 so that sliding sleeve section 56 to 60
Different width balances each other.To this end, respectively sliding sleeve hypotenuse 70 is arranged in transitional region 66,68.At sliding sleeve
On opposed each side of section 56 to 60, transitions smooth ground or evenly carry out, i.e. do not have width to change.
In a top view, sliding sleeve tooth 32 the most substantially has stairstepping or Z-shaped shape, wherein, middle pectoral plate
It is perpendicular to corresponding end arrange.
Additionally, sliding sleeve tooth 32 is respectively provided with two end faces 72 and 74, it is arranged on the first sliding sleeve section 56
With on the 3rd sliding sleeve section 60.End face 72 and 74 is respectively provided with meshing geometry structure, because sliding sleeve tooth 32 is at end
Finish up in the region in face 72 and 74 most advanced and sophisticatedly.As long as synchronization, sliding sleeve 14 is due to the meshing geometry of sliding sleeve tooth 32
Structure can easily be engaged to synchronize in teeth portion 20 and clutch teeth portion 22.
Figure 6 illustrates the synchronizer 10 being in switching state, wherein sliding sleeve 14 along toggle path S from
Move along direction X on neutral position N is axial to be adjusted in switching position G.
Thus obtaining, different wide hub section 36 to 40 and different wide sliding sleeve section 56 to 60 are the most common
Effect so that thus constitute the first holding geometry 76, sliding sleeve 14 keeps geometry to be maintained at switching by first
In state.
First keeps geometry 76 by the First Transition district of each sliding sleeve tooth 32 in shown switching state
First wheel section 36 especially first end face 46 of the wheel hub tooth 26 of territory 66 and arranging is constituted.In the case, sliding sleeve 14
Abutting on end face 46 by the sliding sleeve hypotenuse 70 in First Transition region 66, described end face has wheel hub hypotenuse 50, passes through
The geometry of the rounding of end face 46 is constituted.Sliding sleeve 14 is kept by the first holding geometry 76 in switching state,
I.e. kept by wheel hub 12 and sliding sleeve 14 itself.
In order to arrive again in the neutral state shown in Fig. 5 from the switching state shown in Fig. 6, by axial against movement side
It is applied on sliding sleeve 14 to the power of X.In the case, little axial force just be enough to along the wheel hub being arranged on end face 46
Hypotenuse 50 adjusts the sliding sleeve hypotenuse 70 arranged in First Transition region 66.Sliding sleeve tooth 32 then passes through wheel hub backlash
28 slide and wheel hub tooth 26 is slided by sliding sleeve backlash 34.
Second keeps geometry 78 to constitute on opposed each side of sliding sleeve tooth 32 and wheel hub tooth 26, i.e. the 3rd
Constitute on sliding sleeve section 60 and third round hub section 40.Second keeps geometry 78 and first to keep geometry 76 class
As constitute, wherein they corresponding mirror images are contrary.Second keeps geometry 78 especially arranging second (the most unshowned)
It is important during clutch body.
Sliding sleeve tooth 32 replaces mirror image the most respectively and is arranged on the contrary on slip cap cylinder 29 so that mistake
Cross region 66,68 to be alternately formed on left side or the right side of corresponding sliding sleeve tooth 32 at moving direction X.This is true
Protect, when relatively rotating between wheel hub 12 with corresponding synchronous ring 16 and/or clutch body 18, the most every second slip cap
Cylinder gear 32 is abutted on the wheel hub tooth 26 of arranging by corresponding transitional region 66,68 in switching state.
Due to the layout that alternately mirror image is contrary, rotation direction is inessential, because keeping half portion of geometry 76 according to turning
Dynamic direction be activate and sliding sleeve 14 is maintained in switching state.
The layout that alternately mirror image is contrary of sliding sleeve tooth 32 also ensures, and two holding geometries 76,78 are in switching
State keeps wheel via the most every the second of sliding sleeve tooth 32 in two opposed axial side of synchronizer 10 respectively
Wide and work.
In an interchangeable form of implementation, sliding sleeve tooth 32 can be constituted in circumferential direction the most in the same manner, and
And be arranged on slip cap cylinder 29 with identical orientation, and wheel hub tooth 26 replaces mirror image the most respectively and sets on the contrary
Put on hub body 23.Transitional region 52,54 is then alternately formed in a left side for corresponding wheel hub tooth 26 at moving direction X
On side or right side.The embodiment of this alternative corresponds essentially to invert sliding sleeve tooth 32 and the tooth geometry of wheel hub tooth 26
Shown form of implementation.
Ensure that equipped with lateral those widened sections 42,44 generally, due to wheel hub tooth 26, the corresponding mistake of sliding sleeve tooth 32
Cross region 66,68 and constituted holding geometry 76,78 with wheel hub tooth 26 quickly.
Wheel hub hypotenuse 50 in the transitional region 66,68 being arranged between two hub section 56 to 60 is configured to,
It is made to constitute axial end stop 80 together with sliding sleeve hypotenuse 70.End stop 80 is machine insurance so that slide
Sleeve 14 can not move further in a failure situation until end stop 80.Only to be adjusted axially when sliding sleeve 14
Axial end portion backstop 80 is just used when exceeding default switching point G.
Due to wheel hub tooth 26 and the particular geometric configuration of sliding sleeve tooth 32, it is possible to, outer toothed portion 24 and interior teeth portion
30 manufacture in unique sintering process so that need not be processed further, in order to constitute and keep geometry 76,78.Engagement
Geometry and the geometry on wheel hub tooth 26 and sliding sleeve tooth 32 base that are provided for holding geometry 76,78
Shape in mould half portion of corresponding mold tool is constituted.Cause cost and expense to wheel hub 12 and/or sliding sleeve
The processing afterwards of 14 is not necessarily.Outer toothed portion 24 and interior teeth portion 30 are constituted the most tool-freely.Therefore, synchronizer 10 is permissible
Manufacture in a simple manner decoupled.
Especially, whole wheel hub 12 and/or whole sliding sleeve 14 can manufacture in sintering process so that synchronizer 10
Can particularly simple manufacture.Therefore, wheel hub 12 and sliding sleeve 14 are constituted tool-freely.
Clutch teeth portion 22 can be constituted, because it need not be maintained in switching state sliding sleeve 14 without undercutting.
Claims (11)
1. the wheel hub (12) for the synchronizer (10) of motor vehicles,
Wherein, described wheel hub (12) includes outer toothed portion (24), described outer toothed portion have multiple wheel hub tooth (26) and wheel hub tooth it
Between wheel hub backlash (28), wherein, the most described outer toothed portion (24) is made up of the dusty material sintered, and wherein said wheel hub
Tooth (26) has at least two hub section (36,38,40) and moves axially the width of the upper change in direction (X), and its feature exists
In, described at least two hub section (36,38,40) is respectively provided with lateral those widened sections (42,44), and described those widened sections is axially
See on moving direction (X) on the opposed each side being arranged on described wheel hub tooth (26).
Wheel hub the most according to claim 1 (12), it is characterised in that described wheel hub tooth (26) is respectively provided with at least one and takes turns
Hub hypotenuse (50).
Wheel hub the most according to claim 1 (12), it is characterised in that described wheel hub (12) is by the dusty material structure sintered
Become.
4. the sliding sleeve (14) for the synchronizer (10) of motor vehicles, wherein, in described sliding sleeve (14) includes
Teeth portion (30), described interior teeth portion has multiple sliding sleeve tooth (32) and the sliding sleeve backlash between sliding sleeve tooth
(34), wherein, the most described interior teeth portion (30) is made up of the dusty material sintered, and wherein said sliding sleeve tooth (32) tool
There is at least two sliding sleeve section (56,58,60) and move axially the width of the upper change in direction (X), it is characterised in that institute
Stating at least two sliding sleeve section (56,58,60) and be respectively provided with lateral those widened sections (62,64), described those widened sections is axially
See on moving direction (X) on the opposed each side being arranged on described slipping socket teeth (32).
Sliding sleeve the most according to claim 4 (14), it is characterised in that described sliding sleeve tooth (32) described at least
The transitional region (66,68) of two sliding sleeve sections (56,58,60) is respectively provided with sliding sleeve hypotenuse (70).
Sliding sleeve the most according to claim 4 (14), it is characterised in that described sliding sleeve (14) is by the powder sintered
Material is constituted.
7. a synchronizer (10), it has wheel hub according to claim 1 (12) and according to claim 4
Sliding sleeve (14).
8. the method being used for manufacturing wheel hub (12), described wheel hub has outer toothed portion (24), and the method has following steps:
A) offer has the tool die in mould half portion that at least two can move each other, and described mould half portion limits wheel hub respectively
(12) outline and the section of Internal periphery and have protuberance, wheel hub tooth (26) can be consisted of protuberance, described takes turns
Hub tooth has the lateral those widened sections of at least two (42,44), and described those widened sections is arranged on wheel hub tooth (26) in the axial direction
On opposed each side,
B) metal dust is introduced in tool die,
C) in tool die extrude metal dust in order to produce wheel hub (12),
D) mould half portion is made to move apart each other,
The wheel hub (12) being extruded e) will with outer toothed portion (24) takes out,
F) it is sintered producing component strength to the wheel hub being extruded.
Method the most according to claim 8, it is characterised in that manufacture according to the wheel hub (12) described in claims 1 to 3.
10. the method being used for manufacturing sliding sleeve (14), described sliding sleeve has interior teeth portion (30), the method have as
Lower step:
A) offer has the tool die in mould half portion that at least two can move each other, and described mould half portion limits slip respectively
The outline of sleeve (14) and the section of Internal periphery and have protuberance, sliding sleeve tooth (32) can pass through protuberance structure
Becoming, described sliding sleeve tooth has the lateral those widened sections of at least two (62,64), and described those widened sections is arranged in the axial direction
On opposed each side of sliding sleeve tooth (32),
B) metal dust is introduced in tool die,
C) in tool die extrude metal dust in order to produce sliding sleeve (14),
D) mould half portion is made to move apart each other,
The sliding sleeve (14) being extruded e) will with interior teeth portion (30) takes out,
F) it is sintered producing component strength to the sliding sleeve being extruded.
11. methods according to claim 10, it is characterised in that manufacture according to the sliding sleeve described in claim 4 to 6
(14)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015108991.2A DE102015108991A1 (en) | 2015-06-08 | 2015-06-08 | Hub, sliding sleeve and synchronization device and method for producing a hub and method for producing a sliding sleeve |
| DE102015108991.2 | 2015-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246756A true CN106246756A (en) | 2016-12-21 |
| CN106246756B CN106246756B (en) | 2019-12-27 |
Family
ID=57352500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394185.8A Active CN106246756B (en) | 2015-06-08 | 2016-06-06 | Hub, sliding sleeve and synchronization device and method for producing a hub and method for producing a sliding sleeve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106246756B (en) |
| DE (1) | DE102015108991A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608239A (en) * | 2018-06-14 | 2019-12-24 | 斯凯孚公司 | Self-centering sleeve for a device having a clutch release/engagement thrust bearing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT520443B1 (en) * | 2017-11-15 | 2019-04-15 | Miba Sinter Austria Gmbh | Transmission synchronization device |
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|---|---|---|---|---|
| EP0754874A2 (en) * | 1995-07-20 | 1997-01-22 | Kyowa Metal Works Co., Ltd. | Synchronizing apparatus for transmission |
| CN1161419A (en) * | 1996-04-02 | 1997-10-08 | 协和合金株式会社 | Synchronizing apparatus for transmission |
| EP0868890A2 (en) * | 1997-04-04 | 1998-10-07 | Injex Corporation | Abutment tooth model and method of manufacturing a prosthetic restoration to be formed thereon |
| CN1228144A (en) * | 1997-05-31 | 1999-09-08 | Gkn自动股份公司 | Shaft-hub unit |
| CN2507674Y (en) * | 2001-09-26 | 2002-08-28 | 刘锦韬 | Hub driving device for moped |
| CN2594072Y (en) * | 2002-07-01 | 2003-12-24 | 攀枝花市强劲变速器厂 | Reinforced shift |
| JP2004056887A (en) * | 2002-07-18 | 2004-02-19 | Hitachi Ltd | Single-phase or two-phase auto-starting synchronous motor, and compressor using this motor |
| US20060024189A1 (en) * | 2004-04-08 | 2006-02-02 | Trasorras Juan R | Method and apparatus for densifying powder metal gears |
| US20150158383A1 (en) * | 2013-12-10 | 2015-06-11 | Borgwarner Inc. | Electro-mechanical transfer case with range shift on the move |
-
2015
- 2015-06-08 DE DE102015108991.2A patent/DE102015108991A1/en not_active Withdrawn
-
2016
- 2016-06-06 CN CN201610394185.8A patent/CN106246756B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754874A2 (en) * | 1995-07-20 | 1997-01-22 | Kyowa Metal Works Co., Ltd. | Synchronizing apparatus for transmission |
| CN1161419A (en) * | 1996-04-02 | 1997-10-08 | 协和合金株式会社 | Synchronizing apparatus for transmission |
| EP0868890A2 (en) * | 1997-04-04 | 1998-10-07 | Injex Corporation | Abutment tooth model and method of manufacturing a prosthetic restoration to be formed thereon |
| CN1228144A (en) * | 1997-05-31 | 1999-09-08 | Gkn自动股份公司 | Shaft-hub unit |
| CN2507674Y (en) * | 2001-09-26 | 2002-08-28 | 刘锦韬 | Hub driving device for moped |
| CN2594072Y (en) * | 2002-07-01 | 2003-12-24 | 攀枝花市强劲变速器厂 | Reinforced shift |
| JP2004056887A (en) * | 2002-07-18 | 2004-02-19 | Hitachi Ltd | Single-phase or two-phase auto-starting synchronous motor, and compressor using this motor |
| US20060024189A1 (en) * | 2004-04-08 | 2006-02-02 | Trasorras Juan R | Method and apparatus for densifying powder metal gears |
| US20150158383A1 (en) * | 2013-12-10 | 2015-06-11 | Borgwarner Inc. | Electro-mechanical transfer case with range shift on the move |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608239A (en) * | 2018-06-14 | 2019-12-24 | 斯凯孚公司 | Self-centering sleeve for a device having a clutch release/engagement thrust bearing |
| CN110608239B (en) * | 2018-06-14 | 2022-09-23 | 斯凯孚公司 | Self-centering sleeve for a device having a clutch release/engagement thrust bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015108991A1 (en) | 2016-12-08 |
| CN106246756B (en) | 2019-12-27 |
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