CN109737150A - Synchronizer of automotive gear box - Google Patents
Synchronizer of automotive gear box Download PDFInfo
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- CN109737150A CN109737150A CN201910071341.0A CN201910071341A CN109737150A CN 109737150 A CN109737150 A CN 109737150A CN 201910071341 A CN201910071341 A CN 201910071341A CN 109737150 A CN109737150 A CN 109737150A
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- 210000003781 tooth socket Anatomy 0.000 description 4
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Abstract
The invention discloses a kind of synchronizer of automotive gear box, including tooth hub, tooth hub two sides are respectively disposed with shifting gear, the outer sliding sleeve of tooth hub is equipped with sliding sleeve, the external splines both ends of sliding sleeve are respectively equipped with sliding sleeve locking surface, fixing sleeve is equipped with sliding plate on the outer surface of sliding sleeve, and the inner surface of sliding plate is equipped with even number sliding plate notch；The position difference sliding sleeve of sliding plate two sides is corresponded on the outer surface of sliding sleeve equipped with a synchronous ring, synchronous ring inner face is equipped with the positive stop lug boss that interval is inserted into sliding plate notch；The inner surface of synchronous ring is equipped with internal spline, and internal spline and the dislocation of sliding plate notch arrange that the internal spline inner end on synchronous ring is equipped with synchronous ring locking surface, and the outer surface of synchronous ring is cone of friction；The elastic slice that can drive synchronous ring sliding is installed on the outer surface of sliding sleeve；A cone of friction disk is fixedly installed on two shifting gears respectively, the inner surface of cone of friction disk is the cone of friction matched with the cone of friction of synchronous ring.Suitable for gearbox.
Description
Technical field
The present invention relates to synchronizer fields, more particularly to a kind of synchronizer of automotive gear box.
Background technique
Synchronizer is the important component of automotive transmission, it make synchronizer input, output par, c synchronize after in conjunction with, from
And impact when gear shift and noise are reduced, mitigate berth-changing strength, so that gear shift is smooth, it is light, mitigate the fatigue of driver, extends
The service life of speed changer, acceleration and economy when improving vehicle safety and riding comfort and improving vehicle starting
It plays an important role.Critical component of the synchronizer as speed changer, performance directly affect shift control mechanism
Performance, speed changer is when putting into gear, if net synchronization capability is insufficient, can generate impact of putting into gear, influence smooth gear shifting and driving comfort
Property.
Raising with people to vehicle energy saving environmental protection and lightweight requirements, while by the limit of the size of speed changer and quality
System, it is desirable to synchronizer still is able to synchronize engagement, smooth gear shift fast and reliablely, while having bigger synchronization capacity, this
It is a little that all to the design of synchronizer, more stringent requirements are proposed.
Most widely used at present is block type synchronization device, also referred to as inertia locking type synchronizer, in simple terms, Ci Zhongtong
Step device mainly includes that tooth hub, synchronous ring, tooth set and sliding block, tooth set are sheathed on tooth hub and are connected by spline with tooth hub, sliding
Block is set in the spline opened up on tooth hub by components such as springs, and tooth set spline is concavely provided with slide block slot, is embedded in sliding block
There is steel ball, steel ball can be equipped in slide block slot, sliding block can be made to be equipped in slide block slot, common synchronizer, in its circle by steel ball
It is generally opened up on week and is provided with sliding block and slide block slot fit structure, three sliding blocks and sliding block above-mentioned at three there are three spline
Slot fit structure is uniformly distributed on the circumference of synchronizer.Synchronous ring set is set to the soldered tooth of shifting gear, is located at tooth set
Inside can simultaneously be connected by spline and tooth set, and when shift, tooth cuff movable slider is mobile by the synchronous ring of slipper push, synchronous
Ring can reach synchronous rotation by the frictional fit of its conical surface and shifting gear soldered tooth with shifting gear, and tooth covers at this time
It through being connected by spline with synchronous ring, is rotated synchronously so that tooth set be enable smoothly to realize with shifting gear, it is dynamic to complete extension shelves
Make.
Traditional synchronizer rubbing surface is arranged on the inner conical surface of synchronous ring, and friction circular diameter is smaller, makes the same of synchronizer
Walk off-capacity.And traditional synchronizer needs to open up slide block slot, process is complicated, and reduces the strong of synchromesh gear hub
Degree, the torque for causing synchronizer that can transmit reduce.
Chinese patent CN201610465362.7 discloses a kind of large torque synchronizer, including tooth hub, and tooth hub housing is with teeth
Set, the two sides of tooth hub are respectively disposed with a shifting gear, a combination are respectively equipped on the inner end outer wall of two shifting gears
Gear ring, two basic change gear ring are cased with a locking gear ring respectively outside, are respectively installed with a synchronous ring outside two locking gear rings, together
The male cone (strobilus masculinus) of step ring is matched with the inner conical surface that tooth covers, and is along the circumferential direction equipped with spline tooth, spline tooth on the inner surface of synchronous ring
On be respectively equipped with flank and locking surface, the outer surface of locking gear ring is equipped with the spline tooth socket matched with spline tooth, spline
Spline tooth socket confined planes are successively arranged on the side of tooth socket inner end from inside to outside and spline tooth socket lock stops face, the appearance of locking gear ring
Face is equipped with boss, and boss top surface includes boss arc surface and boss intermediate incline, boss arc surface and locking gear ring
Outer surface coaxial line arranges that the position of corresponding elastic pressing ring is equipped with the reseting groove that can be resetted with dynamic elasticity pressing ring on inner conical surface.
Although the large torque synchronizer has bigger friction circular diameter, i.e., bigger synchronization compared to more traditional synchronizer
Device capacity, and slide block slot is eliminated, tooth hub intensity is enhanced, but since the interior cone of friction design in the large torque synchronizer exists
Tooth is put on, and the axial dimension of tooth set is limited, so the width of cone of friction is smaller.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, it is big and synchronous to provide a kind of cone of friction width
The small synchronizer of automotive gear box of ring amount of floating.
In order to achieve the goal above, a kind of synchronizer of automotive gear box provided by the invention, including tooth hub, the tooth hub
Two sides are respectively disposed with a shifting gear, and the outer sliding sleeve of the tooth hub is equipped with sliding sleeve, the inner surface of the sliding sleeve be equipped with
The outer surface of the internal spline that the external splines of the tooth hub matches, the sliding sleeve is equipped with external splines, the external splines of the sliding sleeve
Both ends are respectively equipped with sliding sleeve locking surface, and middle part fixing sleeve is equipped with sliding plate, the inner surface of the sliding plate on the outer surface of the sliding sleeve
It is upper circumferentially spaced equipped with even number sliding plate notch；
The position difference sliding sleeves of the sliding plate two sides is corresponded on the outer surface of the sliding sleeve equipped with the first synchronous ring and the
Two synchronous rings, the inner face of the described first synchronous ring are equipped with interval and are inserted into the first positive stop lug boss in the sliding plate notch, institute
The inner face for stating the second synchronous ring is equipped with the second positive stop lug boss that interval is inserted into the sliding plate notch, second limit
Boss and first positive stop lug boss dislocation are arranged；
Circumferentially spaced be equipped with matches with the external splines on the sliding sleeve on the inner surface of described first synchronous ring
Internal spline, internal spline and sliding plate notch dislocation on the first synchronous ring are arranged, interior on the described first synchronous ring
Spline inner end is equipped with is with the first synchronous ring locking surface that the sliding sleeve locking surface matches, the outer surface of the described first synchronous ring
Cone of friction；
Circumferentially spaced be equipped with matches with the external splines on the sliding sleeve on the inner surface of described second synchronous ring
Internal spline, internal spline and sliding plate notch dislocation on the second synchronous ring are arranged, interior on the described second synchronous ring
Spline inner end is equipped with is with the second synchronous ring locking surface that the sliding sleeve locking surface matches, the outer surface of the described second synchronous ring
Cone of friction；
The position that first positive stop lug boss is corresponded on the outer surface of the sliding sleeve, which is installed with, can drive described first to synchronize
First elastic slice of ring sliding, described in the position that second positive stop lug boss correspond on the outer surface of the sliding sleeve is installed with and can drive
Second elastic slice of the second synchronous ring sliding；
It is fixedly installed with the first cone of friction disk on the corresponding shifting gear of synchronous with described first ring, described first rubs
Wipe the cone of friction that the inner surface of cone disk matches for the cone of friction of ring synchronous with described first；
It is fixedly installed with the second cone of friction disk on the corresponding shifting gear of synchronous with described second ring, described second rubs
Wipe the cone of friction that the inner surface of cone disk matches for the cone of friction of ring synchronous with described second.
By individually designed cone of friction disk, the width of cone of friction can be increased by reducing the thickness of sliding plate in this way, from
And can make this synchronizer that there is bigger synchronization capacity, improve the anti-overloading performance of this synchronizer；Meanwhile by elastic slice come band
Dynamic synchronous ring sliding eliminates the pushing block spring members in conventional synchronizer, thus greatly to realize presynchronization function in this way
Structure is simplified, is reduced costs, and in this way after design, without opening up the hole for accommodating pushing block spring members on tooth hub, to subtract
Lack manufacturing procedure, also improves the intensity of tooth hub；Moreover, by the way that sliding sleeve and sliding plate are designed to splicing structure, so significantly
Ground reduces part production difficulty.
In the above scheme, middle part is along the circumferential direction equipped with the cunning for clamping the sliding plate on the outer surface of the sliding sleeve
Card slot is covered, radially arranged pin hole is equipped in the sliding sleeve card slot, the inner surface of the sliding plate is equipped with and the pin hole phase
The lock-joint of cooperation, the sliding plate is installed in the sliding sleeve card slot, and the lock-joint is aligned with the pin hole, the lock-joint and institute
It states and is fitted with fixed pin in pin hole.Sliding plate and sliding sleeve are connected by fixed pin so that it is convenient to the installation and removal of sliding plate.
In the above scheme, it is equipped between the described first synchronous ring and the second synchronous ring for synchronous by described first
The extension spring structure that ring ring synchronous with described second mutually tenses, the extension spring structure include tension spring and are arranged on the sliding plate
Tension spring passes through hole, and the aperture that the tension spring passes through hole is matched with the diameter of the tension spring, and described tension spring one end is mounted on described
On first synchronous ring, the tension spring other end passes through the tension spring and is mounted on the described second synchronous ring across hole.In the drawing
Under the action of spring structure, the inner face of the end face of first positive stop lug boss ring synchronous with described second offsets, second limit
The inner face of the end face ring synchronous with described first of position boss offsets.The extension spring structure added can make the first synchronous ring and second together
It is mutually constrained between step ring, so as to prevent synchronous ring from generating axial wobble because there is no constraint, thereby reduces gearbox
Noise improves the service life of synchronous ring.
In the above scheme, the described first synchronous ring is equipped with for mounting the first mount hole for installing the tension spring, institute
It states the second synchronous ring to be equipped with for mounting the second mount hole for installing the tension spring, described tension spring one end is mounted on described first
In mount hole, the tension spring other end passes through the tension spring and is mounted in second mount hole across hole.By mount hole come
Tension spring is installed, this spline structure is simple and at low cost.
In the above scheme, the outer end of first mount hole is equipped with the first tension spring limit for preventing the tension spring from falling off
Plane, the outer end of second mount hole are equipped with the second tension spring confined planes for preventing the tension spring from falling off.The tension spring added
Confined planes can be effectively prevented tension spring and get loose.
In the above scheme, first positive stop lug boss is identical as the structure of second positive stop lug boss, and the sliding plate lacks
The circumferential width of mouth is greater than the circumferential width of first positive stop lug boss, and the circumferential width of the sliding plate notch is greater than described second
The inner surface of the circumferential width of positive stop lug boss, first positive stop lug boss and second positive stop lug boss is arcuate structure, institute
The radius for stating arcuate structure is matched with the external splines radius of addendum of the sliding sleeve.By the way that the inner surface of positive stop lug boss is designed
Camber structure, and the radial design of the arcuate structure is matched at the external splines radius of addendum with sliding sleeve, can have in this way
It prevents to effect synchronous ring from circumferential bounce occurs, to create a further reduction the noise of gearbox, improves the use of synchronous ring
Service life.
In the above scheme, first elastic slice and second elastic slice are installed in the sliding sleeve card slot.Passing through will
Elastic slice is also installed in sliding sleeve card slot, in this way without opening up additional card slot, to simplify technique, is reduced costs.
In the above scheme, first elastic slice includes the first clamping portion of U-shaped structure, the first diagonally disposed support portion
With the first top splenium of domes, first support portion is installed in the sliding sleeve card slot, and first clamping portion opens
One end of mouth is connected with the lower end of first support portion, and the upper end of first support portion is connected with first top splenium,
The inner surface of first positive stop lug boss is equipped with the first elastic slice limiting slot for preventing first elastic slice from circumferentially moving, institute
State the first arch confined planes for being equipped in the middle part of the inner surface of the first elastic slice limiting slot and matching with first top splenium, described the
The first elastic slice even surface, first bullet are equipped with towards the position of the first elastic slice notch on the inner surface of one elastic slice limiting slot
The first elastic slice seal face, the first elastic slice pressure are equipped with backwards to the position of the first elastic slice notch on the inner surface of piece limiting slot
Tight face is connect with one end transition of the first arch confined planes, the other end of the first arch confined planes and first bullet
Piece even surface transition connection；
Second elastic slice includes the second clamping portion of U-shaped structure, diagonally disposed the second support portion and domes
Second top splenium, second support portion are installed in the sliding sleeve card slot, one end of the opening in second clamping portion and institute
The lower end for stating the second support portion is connected, and the upper end of second support portion is connected with second top splenium, second limit
The inner surface of boss is equipped with the second elastic slice limiting slot for preventing second elastic slice from circumferentially moving, the second elastic slice limit
The the second arch confined planes matched with second top splenium, the second elastic slice limiting slot are equipped in the middle part of the inner surface of position slot
Inner surface on towards the position of the second elastic slice notch be equipped with the second elastic slice even surface, the second elastic slice limiting slot it is interior
The second elastic slice seal face, the second elastic slice seal face and described the are equipped with backwards to the position of the second elastic slice notch on surface
One end transition of two arch confined planes connects, the other end of the second arch confined planes and the second elastic slice even surface transition
Connection；
The notch opposed of the notch of first elastic slice and second elastic slice.
Presynchronization function can be achieved by the cooperation of elastic slice and elastic slice limiting slot, eliminate pushing away in conventional synchronizer in this way
Block spring members reduce costs to significantly simplify structure, and push away on tooth hub without opening up receiving after design in this way
The hole of block spring members also improves the intensity of tooth hub to reduce manufacturing procedure.
In the above scheme, the first cone of friction disk and the second cone of friction disk are corresponded on the two sides of the sliding plate
Position be equipped with escape groove.It, in this way can be further by cone of friction by adding escape groove respectively on the two sides of sliding plate
The cone of friction of disk designs wider.
In the above scheme, the cone of friction of the described first synchronous ring is extended with the to the direction of the first cone of friction disk
One friction extension, the position that the first friction extension correspond on the first cone of friction disk is equipped with and described first rubs
The first friction extension slot that extension matches；
The cone of friction of described second synchronous ring is extended with the second friction extension to the direction of the second cone of friction disk,
The position that the second friction extension is corresponded on the second cone of friction disk is equipped with to be matched with the second friction extension
Second friction extension slot.The mutually matched friction extension and friction extension slot added, can be further by cone of friction
It designs wider in face.
Technical solution provided by the invention has the benefit that
1, by individually designed cone of friction disk, the width of cone of friction can be increased by reducing the thickness of sliding plate in this way,
So as to make this synchronizer that there is bigger synchronization capacity, the anti-overloading performance of this synchronizer is improved；
2, it drives synchronous ring sliding to realize presynchronization function by elastic slice, eliminates pushing away in conventional synchronizer in this way
Block spring members reduce costs to significantly simplify structure, and push away on tooth hub without opening up receiving after design in this way
The hole of block spring members also improves the intensity of tooth hub to reduce manufacturing procedure；
3, by the way that sliding sleeve and sliding plate are designed to splicing structure, part production difficulty is greatly reduced in this way；
4, sliding plate and sliding sleeve are connected by fixed pin so that it is convenient to the installation and removal of sliding plate；
5, the extension spring structure added can make mutually to constrain between the first synchronization ring ring synchronous with second, so as to prevent from synchronizing
Ring generates axial wobble because not having constraint, thereby reduces the noise of gearbox, improves the service life of synchronous ring；
6, tension spring is installed by mount hole, this spline structure is simple and at low cost；
7, the tension spring confined planes added can be effectively prevented tension spring and get loose；
8, by the way that the inner surface of positive stop lug boss is designed to arcuate structure, and by the radial design of the arcuate structure at cunning
The external splines radius of addendum of set matches, and can be effectively prevented synchronous ring in this way and circumferential bounce occurs, to further drop
The low noise of gearbox, improves the service life of synchronous ring；
9, by the way that elastic slice to be also installed in sliding sleeve card slot, in this way without opening up additional card slot, so that technique is simplified,
It reduces costs；
10, presynchronization function can be achieved by the cooperation of elastic slice and elastic slice limiting slot, eliminates in conventional synchronizer in this way
Pushing block spring members reduced costs to significantly simplify structure, and in this way after design, without opening up appearance on tooth hub
Receiving the holes of pushing block spring members also improves the intensity of tooth hub to reduce manufacturing procedure；
It 11, in this way can further rubbing cone of friction disk by adding escape groove respectively on the two sides of sliding plate
Wipe the wider of conical surface design；
12, the mutually matched friction extension and friction extension slot added, can further design cone of friction
It is wider.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when present invention is in neutral position state；
Fig. 2 is the mounting structure schematic diagram of tooth hub, sliding sleeve, sliding plate and elastic slice；
Fig. 3 is another viewing angle constructions schematic diagram of Fig. 2；
Fig. 4 is the configuration schematic diagram of sliding sleeve, elastic slice and synchronous ring；
Fig. 5 is the structural schematic diagram of sliding sleeve；
Fig. 6 is the structural schematic diagram of sliding plate；
Fig. 7 is the structural schematic diagram of synchronous ring；
Fig. 8 is the structural schematic diagram of elastic slice；
Fig. 9 is the structural schematic diagram of cone of friction disk；
Figure 10 is the partial enlargement structural representation of Fig. 1
When Figure 11 is neutral position state, the positional relationship structure of the external splines of the internal spline of synchronous ring, positive stop lug boss and sliding sleeve
Schematic diagram；
Figure 12 is the partial enlargement structural representation when present invention is in the presynchronization stage；
When Figure 13 is the presynchronization stage, the positional relationship knot of the external splines of the internal spline of synchronous ring, positive stop lug boss and sliding sleeve
Structure schematic diagram；
Figure 14 is the partial enlargement structural representation when present invention is in the locking stage；
When Figure 15 is the locking stage, the positional relationship structure of the external splines of the internal spline of synchronous ring, positive stop lug boss and sliding sleeve
Schematic diagram；
Figure 16 is the partial enlargement structural representation when present invention is in synchronous phase；
When Figure 17 is synchronous phase, the positional relationship structure of the external splines of the internal spline of synchronous ring, positive stop lug boss and sliding sleeve
Schematic diagram；
Figure 18 is the partial enlargement structural representation when present invention is in combination stage；
When Figure 19 is combination stage, the positional relationship structure of the external splines of the internal spline of synchronous ring, positive stop lug boss and sliding sleeve
Schematic diagram.
In figure: tooth hub 1, shifting gear 2, sliding sleeve 3, sliding sleeve locking surface 3a, sliding sleeve card slot 3b, pin hole 3c, sliding plate 4, sliding plate
Notch 4a, lock-joint 4b, escape groove 4c, the first synchronous ring 5, the first positive stop lug boss 5a, the first synchronous ring locking surface 5b, first mounts
Hole 5c, the first tension spring confined planes 5c1, the first elastic slice limiting slot 5d, the first arch confined planes 5d1, the first elastic slice even surface 5d2,
First elastic slice seal face 5d3, the first friction extension 5e, the second synchronous ring 6, the second positive stop lug boss 6a, second synchronizes ring locking
Face 6b, the second mount hole 6c, the second tension spring confined planes 6c1, the second elastic slice limiting slot 6d, the second arch confined planes 6d1, the second bullet
Piece even surface 6d2, the second elastic slice seal face 6d3, the second friction extension 6e, the first elastic slice 7, the first clamping portion 7a, first
Support part 7b, the first top splenium 7c, the second elastic slice 8, the second clamping portion 8a, the second support portion 8b, the second top splenium 8c, first rubs
Cone disk 9, the first friction extension slot 9a, the second cone of friction disk 10, the second friction extension slot 10a, fixed pin 11, extension spring structure 12,
Tension spring 12a, tension spring pass through hole 12b.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments, but the embodiment should not be construed as pair
Limitation of the invention.
Embodiment: a kind of synchronizer of automotive gear box, including tooth hub 1, the two sides of the tooth hub 1 are respectively disposed with a shelves
Position gear 2, the outer sliding sleeve of the tooth hub 1 are equipped with sliding sleeve 3, and the inner surface of the sliding sleeve 3 is equipped with the external splines with the tooth hub 1
The outer surface of the internal spline matched, the sliding sleeve 3 is equipped with external splines, and the external splines both ends of the sliding sleeve 3 are respectively equipped with cunning
Locking surface 3a is covered, middle part fixing sleeve is equipped with sliding plate 4 on the outer surface of the sliding sleeve 3, circumferentially side on the inner surface of the sliding plate 4
Even number sliding plate notch 4a is equipped with to being spaced apart；It slides respectively the position that 4 two sides of sliding plate are corresponded on the outer surface of the sliding sleeve 3
Dynamic to be set with the first synchronous ring 5 ring 6 synchronous with second, the inner face of the described first synchronous ring 5 is equipped with described in interval is inserted into
The first positive stop lug boss 5a, the inner face of the described second synchronous ring 6 are inserted into the sliding plate equipped with interval and lack in sliding plate notch 4a
The second positive stop lug boss 6a, the second positive stop lug boss 6a and the first positive stop lug boss 5a in mouth 4a, which misplaces, to be arranged；Described
It is circumferentially spaced equipped with the internal spline matched with the external splines on the sliding sleeve 3 on the inner surface of one synchronous ring 5, it is described
Internal spline and sliding plate notch 4a dislocation on first synchronous ring 5 arrange that the internal spline inner end on the described first synchronous ring 5 is set
Have and synchronizes the outer surface of ring 5 with the first synchronous ring locking surface 5b that the sliding sleeve locking surface 3a is matched, described first as friction
The conical surface；Circumferentially spaced be equipped with matches with the external splines on the sliding sleeve 3 on the inner surface of the second synchronous ring 6
Internal spline, described second synchronizes internal spline and sliding plate notch 4a dislocation arrangement on ring 6, and described second synchronizes on ring 6
Internal spline inner end, which is equipped with, synchronizes ring 6 with the second synchronous ring locking surface 6b that the sliding sleeve locking surface 3a is matched, described second
Outer surface is cone of friction；The position that the first positive stop lug boss 5a is corresponded on the outer surface of the sliding sleeve 3 is installed with and can drive
Described first synchronizes the first elastic slice 7 that ring 5 slides, and the position of the second positive stop lug boss 6a is corresponded on the outer surface of the sliding sleeve 3
Set the second elastic slice 8 for being installed with and the described second synchronous ring 6 being driven to slide；The corresponding gear of synchronous with described first ring 5
The first cone of friction disk 9 is fixedly installed on gear 2, the inner surface of the first cone of friction disk 9 is ring 5 synchronous with described first
The cone of friction that cone of friction matches；Second is fixedly installed on the corresponding shifting gear 2 of synchronous with described second ring 6
The inner surface of cone of friction disk 10, the second cone of friction disk 10 rubs for what the cone of friction of ring 6 synchronous with described second matched
Wipe the conical surface.
By individually designed cone of friction disk, the width of cone of friction can be increased by reducing the thickness of sliding plate 4 in this way, from
And can make this synchronizer that there is bigger synchronization capacity, improve the anti-overloading performance of this synchronizer；Meanwhile by elastic slice come band
Dynamic synchronous ring sliding eliminates the pushing block spring members in conventional synchronizer, thus greatly to realize presynchronization function in this way
Structure is simplified, is reduced costs, and in this way after design, without opening up the hole for accommodating pushing block spring members on tooth hub 1, to subtract
Lack manufacturing procedure, also improves the intensity of tooth hub 1；Moreover, by the way that sliding sleeve 3 and sliding plate 4 are designed to splicing structure, it is big in this way
The earth reduces part production difficulty.
Middle part is along the circumferential direction equipped with the sliding sleeve card slot 3b for clamping the sliding plate 4, institute on the outer surface of above-mentioned sliding sleeve 3
It states and is equipped with radially arranged pin hole 3c in sliding sleeve card slot 3b, the inner surface of the sliding plate 4 is equipped with to match with the pin hole 3c
The lock-joint 4b of conjunction, the sliding plate 4 is installed in the sliding sleeve card slot 3b, and the lock-joint 4b is aligned with the pin hole 3c, described
Fixed pin 11 is fitted in lock-joint 4b and the pin hole 3c.Sliding plate 4 and sliding sleeve 3 are connected by fixed pin 11 so that it is convenient to
The installation and removal of sliding plate 4.
It is equipped between above-mentioned first synchronous ring 5 and the second synchronous ring 6 for described first ring 5 and described the will to be synchronized
The extension spring structure 12 that two synchronous rings 6 mutually tense, the extension spring structure 12 include tension spring 12a and are arranged on the sliding plate 4
Tension spring passes through hole 12b, and the tension spring is matched across the aperture of hole 12b with the diameter of the tension spring 12a, the tension spring 12a mono-
End is mounted on the described first synchronous ring 5, and the tension spring 12a other end, which passes through the tension spring and passes through hole 12b, is mounted on described the
On two synchronous rings 6.Under the action of extension spring structure 12, the end face ring synchronous with described second of the first positive stop lug boss 5a
6 inner face offsets, and the inner face of the end face ring 5 synchronous with described first of the second positive stop lug boss 6a offsets.The drawing added
Spring structure 12 can make mutually to constrain between the first synchronization ring 5 ring 6 synchronous with second, so as to prevent synchronous ring due to not having constraint
Axial wobble is generated, the noise of gearbox is thereby reduced, improves the service life of synchronous ring.
Above-mentioned first synchronous ring 5 is equipped with the first mount hole 5c for mounting the installation tension spring 12a, and described second is same
Step ring 6 is equipped with to be installed second one end mount hole 6c, the tension spring 12a of the tension spring 12a and is mounted on described for mounting
In one mount hole 5c, the tension spring 12a other end passes through the tension spring and is mounted in the second mount hole 6c across hole 12b.
Tension spring 12a is installed by mount hole, this spline structure is simple and at low cost.The outer end of the first mount hole 5c is equipped with for preventing
The outer end for the first tension spring confined planes 5c1, the second mount hole 6c that only the tension spring 12a falls off is equipped with for preventing the drawing
The second tension spring confined planes 6c1 that spring 12a falls off.The tension spring confined planes added can be effectively prevented tension spring 12a and get loose.
Above-mentioned first positive stop lug boss 5a is identical as the structure of the second positive stop lug boss 6a, the circumferential direction of the sliding plate notch 4a
Width is greater than the circumferential width of the first positive stop lug boss 5a, and the circumferential width of the sliding plate notch 4a is greater than second limit
The inner surface of the circumferential width of boss 6a, the first positive stop lug boss 5a and the second positive stop lug boss 6a are arcuate structure,
The radius of the arcuate structure is matched with the external splines radius of addendum of the sliding sleeve 3.By by the inner surface of positive stop lug boss
It is designed to arcuate structure, and the radial design of the arcuate structure is matched at the external splines radius of addendum with sliding sleeve 3, in this way
Synchronous ring can be effectively prevented, circumferential bounce occurs, to create a further reduction the noise of gearbox, improve synchronous ring
Service life.
Above-mentioned first elastic slice 7 and second elastic slice 8 are installed in the sliding sleeve card slot 3b.By the way that elastic slice is also clamped
In sliding sleeve card slot 3b, in this way without opening up additional card slot, to simplify technique, reduce costs.
Above-mentioned first elastic slice 7 includes the first clamping portion 7a, diagonally disposed the first support portion 7b and arch knot of U-shaped structure
First top splenium 7c of structure, the first support portion 7b are installed in the sliding sleeve card slot 3b, and first clamping portion 7a's opens
One end of mouth is connected with the lower end of the first support portion 7b, the upper end of the first support portion 7b and the first top splenium 7c
It is connected, the inner surface of the first positive stop lug boss 5a is equipped with the first elastic slice for preventing first elastic slice 7 from circumferentially moving
The first arch matched with the first top splenium 7c is equipped in the middle part of the inner surface of limiting slot 5d, the first elastic slice limiting slot 5d
Shape confined planes 5d1 is equipped with first towards the position of 7 notch of the first elastic slice on the inner surface of the first elastic slice limiting slot 5d
Elastic slice even surface 5d2 is equipped with the backwards to the position of 7 notch of the first elastic slice on the inner surface of the first elastic slice limiting slot 5d
One elastic slice seal face 5d3, the first elastic slice seal face 5d3 is connect with one end transition of the first arch confined planes 5d1, institute
The other end for stating the first arch confined planes 5d1 is connect with the first elastic slice even surface 5d2 transition；
Second elastic slice 8 includes the second clamping portion 8a, diagonally disposed the second support portion 8b and arch knot of U-shaped structure
Second top splenium 8c of structure, the second support portion 8b are installed in the sliding sleeve card slot 3b, and second clamping portion 8a's opens
One end of mouth is connected with the lower end of the second support portion 8b, the upper end of the second support portion 8b and the second top splenium 8c
It is connected, the inner surface of the second positive stop lug boss 6a is equipped with the second elastic slice for preventing second elastic slice 8 from circumferentially moving
The second arch matched with the second top splenium 8c is equipped in the middle part of the inner surface of limiting slot 6d, the second elastic slice limiting slot 6d
Shape confined planes 6d1 is equipped with second towards the position of 8 notch of the second elastic slice on the inner surface of the second elastic slice limiting slot 6d
Elastic slice even surface 6d2 is equipped with the backwards to the position of 8 notch of the second elastic slice on the inner surface of the second elastic slice limiting slot 6d
Two elastic slice seal face 6d3, the second elastic slice seal face 6d3 are connect with one end transition of the second arch confined planes 6d1, institute
The other end for stating the second arch confined planes 6d1 is connect with the second elastic slice even surface 6d2 transition；First elastic slice 7 lacks
The notch opposed of mouth and second elastic slice 8.
Presynchronization function can be achieved by the cooperation of elastic slice and elastic slice limiting slot, eliminate pushing away in conventional synchronizer in this way
Block spring members reduce costs to significantly simplify structure, and push away on tooth hub 1 without opening up receiving after design in this way
The hole of block spring members also improves the intensity of tooth hub 1 to reduce manufacturing procedure.
The position that the first cone of friction disk 9 and the second cone of friction disk 10 are corresponded on the two sides of above-mentioned sliding plate 4 is set
There is escape groove 4c.It, in this way can be further by cone of friction disk by adding escape groove 4c respectively on the two sides of sliding plate 4
Cone of friction designs wider.
The cone of friction of above-mentioned first synchronous ring 5 is extended with the first friction to the direction of the first cone of friction disk 9 and extends
Portion 5e, the position that the first friction extension 5e is corresponded on the first cone of friction disk 9 is equipped with and first friction extends
The first friction extension slot 9a that portion 5e is matched；The cone of friction of the second synchronous ring 6 is to the second cone of friction disk 10
Direction is extended with the second friction extension 6e, and the position of the second friction extension 6e is corresponded on the second cone of friction disk 10
Equipped with the second friction extension slot 10a matched with the second friction extension 6e.The mutually matched friction added extends
Portion and friction extension slot, can be further by the wider of cone of friction design.
The installation process of this synchronizer is as follows:
Firstly, two cone of friction disks are separately fixed on two shifting gears 2；Then, successively by the gear teeth on right side
Wheel 2 (having loaded onto friction vertebra disk) and tooth hub 1 are mounted on gear-box axle；Then, sliding plate 4 is fixedly mounted on sliding sleeve 3, by bullet
Piece is installed on respectively in the sliding sleeve card slot 3b of sliding sleeve 3；Followed by two synchronous rings being inserted into sliding plate 4, and use extension spring structure
12 tense two synchronous rings；And then, by assembled synchronizer assembly (including sliding sleeve 3, sliding plate 4,2 synchronous rings
And elastic slice) integral assembling is on tooth hub 1；Finally, the shifting gear 2 (having loaded onto friction vertebra disk) in left side is mounted on gear-box axle
It is upper.Certainly, left side shifting gear 2 can also be first filled, finally dress right side shifting gear 2, depending on gearbox shaft design.
The course of work of this synchronizer is as follows:
In neutral position state, the internal spline of sliding sleeve 3 is engaged with the external splines of tooth hub 1, the cone of friction of cone of friction disk and same
The cone of friction of step ring is in discrete state, the top splenium of elastic slice and the arch confined planes on the positive stop lug boss inner surface of synchronous ring
Fitting, the top splenium of elastic slice are in un-compressed free state.
Presynchronization stage, selector fork stir sliding plate 4, and sliding plate 4 drives sliding sleeve 3 and the second elastic slice 8 outside (right side) side together
It moves axially, the axial thrust load generated on the second top splenium 8c of the second elastic slice 8 pushes the second synchronous ring 6 to identical side
To movement, make the cone of friction of the cone of friction of the second synchronous ring 6 gradually top second cone of friction disk 10, under responsive to axial force
Friction torque is generated between two cones of friction, the second synchronous ring 6 generates rotation under the action of friction torque, until second is synchronous
The side wall of the side of second positive stop lug boss 6a of ring 6 sliding plate notch 4a corresponding on sliding plate 4 offsets, and rotation stops, at this point,
Second synchronous ring locking surface 6b of the second synchronous ring 6 is opposite with the sliding sleeve locking surface 3a on sliding sleeve 3.
The locking stage, under the action of gear shifting force, on the second synchronous ring locking surface 6b and sliding sleeve 3 of the second synchronous ring 6
Sliding sleeve locking surface 3a offsets, and generates normal pressure between two locking surfaces, which can be analyzed to an axial thrust load and one
Circumferential component, circumferential component, which generates, stirs the ring torque that the second synchronous ring 6 rotates, due to the presence of friction torque, ring power
Square can not make the ring 6 synchronous with second of sliding sleeve 3 produce relative rotation, and cause the second synchronous ring 6 that cannot slide axially outward.
Synchronous phase, under the frictional force effect of cone of friction, the revolving speed of the second cone of friction disk 10 ring 6 synchronous with second by
Frictional force gradually between synchronization, two cones of friction is gradually reduced, when ring torque is greater than moment of friction, in ring torque
Under the action of the second synchronous ring 6 and sliding sleeve 3 produce relative rotation, locking releases, under responsive to axial force, the external splines of sliding sleeve 3
The internal spline of the second synchronous ring 6 is slid into, meanwhile, axial phase occurs for the second elastic slice 8 ring 6 synchronous with second under the action of axial force
To movement, the second top splenium 8c of the second elastic slice 8 is compressed downwardly, and leaves the second arch confined planes of the second positive stop lug boss 6a
6d1 simultaneously slides to the second elastic slice seal face 6d3.
Combination stage, after locking releases, sliding sleeve 3 continues to slide out under the action of gear shifting force, the external splines of sliding sleeve 3
The internal spline of ring 6 synchronous with second engages, meanwhile, the external splines and formation that the internal spline of sliding sleeve 3 slides on shifting gear 2 are nibbled
It closes, until the inner end face contact of the side of sliding plate 4 ring 6 synchronous with second, cannot continue axially outwardly to move, end of putting into gear, this
When, the second top splenium 8c of the second elastic slice 8 in the compressible state with the second elastic slice seal face 6d3 phase of the second positive stop lug boss 6a
It supports.
Pluck the gear stage, selector fork drives sliding plate 4, sliding plate 4 drive sliding sleeve 3 and the second elastic slice 8 inwards (left side) side into
Row axial movement, returns to neutral gear position, at this point, the second top splenium 8c of the second elastic slice 8 slides into the second of the second positive stop lug boss 6a
Arch confined planes 6d1, the second top splenium 8c are restored to free state and are bonded with the second arch confined planes 6d1, pluck gear and complete.
The synchronizing process of the synchronizing process ring 6 synchronous with second of first synchronous ring 5 is consistent, repeats no more again.
The present embodiment can increase cone of friction by reducing the thickness of sliding plate 4 in this way by individually designed cone of friction disk
Width, so as to make this synchronizer have bigger synchronization capacity, improve the anti-overloading performance of this synchronizer；Pass through elastic slice
Presynchronization function is realized to drive the sliding of synchronous ring, the pushing block spring members in conventional synchronizer is eliminated in this way, thus greatly
The earth simplifies structure, reduces costs, and in this way after design, without opening up the hole for accommodating pushing block spring members on tooth hub 1, from
And reduce manufacturing procedure, also improve the intensity of tooth hub 1；It is big in this way by the way that sliding sleeve 3 and sliding plate 4 are designed to splicing structure
The earth reduces part production difficulty.
Meanwhile sliding plate 4 and sliding sleeve 3 are connected by fixed pin 11 for the present embodiment so that it is convenient to the peace installation and dismantling of sliding plate 4
It unloads；The extension spring structure 12 added can make mutually to constrain between the first synchronization ring 5 ring 6 synchronous with second, so as to prevent synchronous ring
Axial wobble is generated because not having constraint, the noise of gearbox is thereby reduced, improves the service life of synchronous ring；Pass through extension
Hole is connect to install tension spring 12a, this spline structure is simple and at low cost；The tension spring confined planes added can be effectively prevented tension spring 12a hair
Life loosens.
Moreover, the present embodiment is by being designed to arcuate structure for the inner surface of positive stop lug boss, and by the half of the arcuate structure
Diameter is designed to match with the external splines radius of addendum of sliding sleeve 3, can be effectively prevented synchronous ring in this way and circumferential bounce occurs, from
And the noise of gearbox is created a further reduction, improve the service life of synchronous ring；By the way that elastic slice to be also installed on to sliding sleeve card
In slot 3b, in this way without opening up additional card slot, to simplify technique, reduce costs；Pass through elastic slice and elastic slice limiting slot
Cooperation can be achieved presynchronization function, the pushing block spring members in conventional synchronizer are eliminated in this way, to significantly simplify
Structure reduces costs, and in this way after design, without opening up the hole for accommodating pushing block spring members on tooth hub 1, adds to reduce
Work process also improves the intensity of tooth hub 1.
Finally, the present embodiment is by adding escape groove 4c respectively on the two sides of sliding plate 4, in this way can further by
The cone of friction of cone of friction disk designs wider；The mutually matched friction extension and friction extension slot added, can be more into one
Step ground is wider by cone of friction design.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. the two sides of a kind of synchronizer of automotive gear box, including tooth hub (1), the tooth hub (1) are respectively disposed with a gear teeth
It takes turns (2), which is characterized in that the outer sliding sleeve of the tooth hub (1) is equipped with sliding sleeve (3), and the inner surface of the sliding sleeve (3) is equipped with and institute
The internal spline that the external splines of tooth hub (1) matches is stated, the outer surface of the sliding sleeve (3) is equipped with external splines, the sliding sleeve (3)
External splines both ends are respectively equipped with sliding sleeve locking surface (3a), and middle part fixing sleeve is equipped with sliding plate (4) on the outer surface of the sliding sleeve (3),
It is circumferentially spaced on the inner surface of the sliding plate (4) to be equipped with even number sliding plate notch (4a)；
The position difference sliding sleeve of the sliding plate (4) two sides is corresponded on the outer surface of the sliding sleeve (3) equipped with first synchronous ring (5)
Ring (6) synchronous with second, the inner face of first synchronous ring (5) are equipped with interval and are inserted into the sliding plate notch (4a) the
One positive stop lug boss (5a), the inner face of described second synchronous ring (6) are equipped with interval and are inserted into the sliding plate notch (4a)
Second positive stop lug boss (6a), second positive stop lug boss (6a) and first positive stop lug boss (5a) dislocation are arranged；
Circumferentially spaced be equipped with matches with the external splines on the sliding sleeve (3) on the inner surface of described first synchronous ring (5)
The internal spline of conjunction, described first synchronizes internal spline and the sliding plate notch (4a) dislocation arrangement on ring (5), and described first is synchronous
Internal spline inner end on ring (5) be equipped with the first synchronous ring locking surface (5b) that the sliding sleeve locking surface (3a) matches, it is described
The outer surface of first synchronous ring (5) is cone of friction；
Circumferentially spaced be equipped with matches with the external splines on the sliding sleeve (3) on the inner surface of described second synchronous ring (6)
The internal spline of conjunction, described second synchronizes internal spline and the sliding plate notch (4a) dislocation arrangement on ring (6), and described second is synchronous
Internal spline inner end on ring (6) be equipped with the second synchronous ring locking surface (6b) that the sliding sleeve locking surface (3a) matches, it is described
The outer surface of second synchronous ring (6) is cone of friction；
The position that first positive stop lug boss (5a) is corresponded on the outer surface of the sliding sleeve (3) be installed with can drive it is described first same
The first elastic slice (7) of ring (5) sliding is walked, the position of second positive stop lug boss (6a) is corresponded on the outer surface of the sliding sleeve (3)
It is installed with the second elastic slice (8) that can drive described second synchronous ring (6) sliding；
It is fixedly installed with the first cone of friction disk (9) on the corresponding shifting gear (2) of synchronous with described first ring (5), it is described
The inner surface of first cone of friction disk (9) is the cone of friction that the cone of friction of ring (5) synchronous with described first matches；
It is fixedly installed with the second cone of friction disk (10) on the corresponding shifting gear (2) of synchronous with described second ring (6), it is described
The inner surface of second cone of friction disk (10) is the cone of friction that the cone of friction of ring (6) synchronous with described second matches.
2. synchronizer of automotive gear box as described in claim 1, which is characterized in that on the outer surface of the sliding sleeve (3) middle part
It is along the circumferential direction equipped with the sliding sleeve card slot (3b) for clamping the sliding plate (4), is equipped with radially in the sliding sleeve card slot (3b)
The pin hole (3c) of arrangement, the inner surface of the sliding plate (4) are equipped with the lock-joint (4b) matched with the pin hole (3c), the cunning
Disk (4) is installed in the sliding sleeve card slot (3b), and the lock-joint (4b) is aligned with the pin hole (3c), the lock-joint (4b) and
Fixed pin (11) are fitted in the pin hole (3c).
3. synchronizer of automotive gear box as described in claim 1, which is characterized in that first synchronous ring (5) and described the
The tension spring knot for mutually tensing described first synchronous ring (5) ring (6) synchronous with described second is equipped between two synchronous ring (6)
Structure (12), the extension spring structure (12) include that tension spring (12a) and the tension spring being arranged on the sliding plate (4) pass through hole (12b), institute
It states tension spring to match across the aperture of hole (12b) with the diameter of the tension spring (12a), described tension spring (12a) one end is mounted on institute
It states on first synchronous ring (5), tension spring (12a) other end passes through the tension spring and is mounted on described second together across hole (12b)
It walks on ring (6).
4. synchronizer of automotive gear box as claimed in claim 3, which is characterized in that described first synchronous ring (5), which are equipped with, to be used
The first mount hole (5c) of the tension spring (12a) is installed in mounting, described second synchronous ring (6) are equipped with for mounting installation institute
The second mount hole (6c) of tension spring (12a) is stated, described tension spring (12a) one end is mounted in first mount hole (5c), described
Tension spring (12a) other end passes through the tension spring and is mounted in second mount hole (6c) across hole (12b).
5. synchronizer of automotive gear box as claimed in claim 4, which is characterized in that the outer end of first mount hole (5c) is set
There are the first tension spring confined planes (5c1) for preventing the tension spring (12a) from falling off, the outer end of second mount hole (6c) is equipped with
The second tension spring confined planes (6c1) for preventing the tension spring (12a) from falling off.
6. synchronizer of automotive gear box as described in claim 1, which is characterized in that first positive stop lug boss (5a) with it is described
The structure of second positive stop lug boss (6a) is identical, and the circumferential width of the sliding plate notch (4a) is greater than first positive stop lug boss (5a)
Circumferential width, the circumferential width of the sliding plate notch (4a) is greater than the circumferential width of second positive stop lug boss (6a), described
The inner surface of first positive stop lug boss (5a) and second positive stop lug boss (6a) is arcuate structure, the radius of the arcuate structure
It is matched with the external splines radius of addendum of the sliding sleeve (3).
7. synchronizer of automotive gear box as claimed in claim 2, which is characterized in that first elastic slice (7) and described second
Elastic slice (8) is installed in the sliding sleeve card slot (3b).
8. synchronizer of automotive gear box as claimed in claim 7, which is characterized in that first elastic slice (7) includes U-shaped structure
The first clamping portion (7a), diagonally disposed the first support portion (7b) and domes the first top splenium (7c), described first
Support portion (7b) is installed in the sliding sleeve card slot (3b), one end of the opening in first clamping portion (7a) with described first
The lower end of support part (7b) is connected, and the upper end of first support portion (7b) is connected with first top splenium (7c), and described first
The inner surface of positive stop lug boss (5a) is equipped with the first elastic slice limiting slot for preventing first elastic slice (7) from circumferentially moving
(5d), the inner surface middle part of the first elastic slice limiting slot (5d) are equipped with the first arch matched with first top splenium (7c)
Shape confined planes (5d1) are set towards the position of the first elastic slice (7) notch on the inner surface of the first elastic slice limiting slot (5d)
There is the first elastic slice even surface (5d2), backwards to the first elastic slice (7) notch on the inner surface of the first elastic slice limiting slot (5d)
Position be equipped with the first elastic slice seal face (5d3), the first elastic slice seal face (5d3) and the first arch confined planes
One end transition of (5d1) connects, the other end of the first arch confined planes (5d1) and the first elastic slice even surface (5d2)
Transition connection；
Second elastic slice (8) includes the second clamping portion (8a), diagonally disposed the second support portion (8b) and the arch of U-shaped structure
The second top splenium (8c) of structure, second support portion (8b) are installed in the sliding sleeve card slot (3b), and described second clamps
One end of the opening in portion (8a) is connected with the lower end of second support portion (8b), the upper end of second support portion (8b) and institute
It states the second top splenium (8c) to be connected, the inner surface of second positive stop lug boss (6a) is equipped with for preventing second elastic slice
(8) the second elastic slice limiting slot (6d) circumferentially moved, be equipped in the middle part of the inner surface of the second elastic slice limiting slot (6d) with it is described
The second arch confined planes (6d1) that second top splenium (8c) matches, court on the inner surface of the second elastic slice limiting slot (6d)
To the position of the second elastic slice (8) notch be equipped with the second elastic slice even surface (6d2), the second elastic slice limiting slot (6d) it is interior
The second elastic slice seal face (6d3), the second elastic slice seal face are equipped with backwards to the position of the second elastic slice (8) notch on surface
(6d3) is connect with one end transition of the second arch confined planes (6d1), the other end of the second arch confined planes (6d1)
It is connect with the second elastic slice even surface (6d2) transition；
The notch opposed of the notch of first elastic slice (7) and second elastic slice (8).
9. synchronizer of automotive gear box as described in claim 1, which is characterized in that corresponding on the two sides of the sliding plate (4)
The position of the first cone of friction disk (9) and the second cone of friction disk (10) is equipped with escape groove (4c).
10. synchronizer of automotive gear box as described in claim 1, which is characterized in that the cone of friction of described first synchronous ring (5)
Direction towards the first cone of friction disk (9) is extended with the first friction extension (5e), the first cone of friction disk (9) on pair
It answers the position of first friction extension (5e) to be equipped with the first friction matched with first friction extension (5e) to prolong
Stretch slot (9a)；
The cone of friction of described second synchronous ring (6) is extended with the second friction to the direction of the second cone of friction disk (10) and extends
Portion (6e), the position that second friction extension (6e) is corresponded on the second cone of friction disk (10) is equipped with rubs with described second
Wipe the second friction extension slot (10a) that extension (6e) is matched.The friction extension and friction extension slot added.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071341.0A CN109737150B (en) | 2019-01-25 | 2019-01-25 | Synchronizer of automobile gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910071341.0A CN109737150B (en) | 2019-01-25 | 2019-01-25 | Synchronizer of automobile gearbox |
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| CN109737150B CN109737150B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| AU9003491A (en) * | 1990-12-24 | 1992-06-25 | Eaton Corporation | Synchronizer with deep splines and improved boost ramps |
| AU9003891A (en) * | 1990-12-24 | 1992-06-25 | Eaton Corporation | Self-energizing synchronizer for equalizing shift time and effort of a multi-ratio transmission |
| JP2008215600A (en) * | 2007-03-08 | 2008-09-18 | Daihatsu Motor Co Ltd | Synchromesh device of manual transmission |
| CN202158114U (en) * | 2011-07-27 | 2012-03-07 | 武汉精密同创机械有限公司 | Synchronizer structure of lock pin |
| CN103603882A (en) * | 2013-11-29 | 2014-02-26 | 长城汽车股份有限公司 | Vehicle synchronizer |
| CN203743234U (en) * | 2013-12-31 | 2014-07-30 | 长城汽车股份有限公司 | Bidirectional synchronizer |
| CN106015382A (en) * | 2016-06-23 | 2016-10-12 | 十堰同创传动技术有限公司 | Large-torque synchronizer |
| DE102016111274A1 (en) * | 2016-06-20 | 2017-12-21 | Getrag Ford Transmissions Gmbh | Synchronization device for a manual transmission |
| CN209959750U (en) * | 2019-01-25 | 2020-01-17 | 武汉精密同创机械有限公司 | Synchronizer of automobile gear box |
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2019
- 2019-01-25 CN CN201910071341.0A patent/CN109737150B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU9003491A (en) * | 1990-12-24 | 1992-06-25 | Eaton Corporation | Synchronizer with deep splines and improved boost ramps |
| AU9003891A (en) * | 1990-12-24 | 1992-06-25 | Eaton Corporation | Self-energizing synchronizer for equalizing shift time and effort of a multi-ratio transmission |
| JP2008215600A (en) * | 2007-03-08 | 2008-09-18 | Daihatsu Motor Co Ltd | Synchromesh device of manual transmission |
| CN202158114U (en) * | 2011-07-27 | 2012-03-07 | 武汉精密同创机械有限公司 | Synchronizer structure of lock pin |
| CN103603882A (en) * | 2013-11-29 | 2014-02-26 | 长城汽车股份有限公司 | Vehicle synchronizer |
| CN203743234U (en) * | 2013-12-31 | 2014-07-30 | 长城汽车股份有限公司 | Bidirectional synchronizer |
| DE102016111274A1 (en) * | 2016-06-20 | 2017-12-21 | Getrag Ford Transmissions Gmbh | Synchronization device for a manual transmission |
| CN106015382A (en) * | 2016-06-23 | 2016-10-12 | 十堰同创传动技术有限公司 | Large-torque synchronizer |
| CN209959750U (en) * | 2019-01-25 | 2020-01-17 | 武汉精密同创机械有限公司 | Synchronizer of automobile gear box |
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|---|---|
| CN109737150B (en) | 2023-12-08 |
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