CN105020290B - Synchromesh gear - Google Patents
Synchromesh gear Download PDFInfo
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- CN105020290B CN105020290B CN201510088060.8A CN201510088060A CN105020290B CN 105020290 B CN105020290 B CN 105020290B CN 201510088060 A CN201510088060 A CN 201510088060A CN 105020290 B CN105020290 B CN 105020290B
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- convex portion
- recess
- synchronous hub
- lock ring
- synchronous
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Abstract
The present invention provides a kind of synchromesh gear.Recess (37) and convex portion (41) are provided with synchronous hub (16) and lock ring (24).Recess (37) is so that the mode that linking part (34) exposes makes peripheral part (16a) lack and constitute.The clamping part (51) of U-shaped is provided with the linking part (34) exposed.Holding piece (51) has the protuberance (59) engaged with linking part (34).A pair of plate spring parts (57) of the circumferential two sides extension towards convex portion (41) are provided with clamping part (51).The terminal part of plate spring part (57) is the free end that can freely swing, on plate spring part (57), before being contacted in convex portion (41) with recess (37), the terminal part of plate spring part (57) is contacted with convex portion (41).
Description
Technical field
The present invention relates to the synchromesh gear for speed changer etc..
Background technology
In the past, it is known to following synchromesh gear (synchromesh apparatus：Synchronous matching device) (example
Such as, with reference to No. 4729451 publications of Japanese Patent No.), the synchromesh gear has：Change-speed gearing, it has tooth on the outer periphery
Inserted tooth, the change-speed gearing can rotate against ground axle suspension in rotary shaft；Synchronous hub, it is fixed on rotary shaft；Synchronizing sleeve, its with
The mode slid axially freely is combined with the periphery spline of synchronous hub；Synchronous cone, it can not be with the relative rotation with change-speed gearing
Link；And lock ring, it has what can freely be engaged with forming the spline tooth on the inner peripheral surface of synchronizing sleeve on outer peripheral face
Dental inlay tooth, also, the lock ring can be frictionally engaged with synchronous cone and configuration is between synchronous hub and change-speed gearing.
In No. 4729451 publications of Japanese Patent No., convex portion is formed on the outer peripheral face of lock ring, in the inner peripheral surface of synchronous hub
Upper and convex portion is correspondingly formed recess, and synchronous hub and rotating against for lock ring are limited into rule using the convex portion and recess composition
Snap fastener in fixed scope.
Also, the buffer part between convex portion and recess is provided with, the buffer part makes the corresponding part of key spring curved
Bent rectangular in form.
Also, also it is known to following device (for example, referring to Japanese Unexamined Patent Publication 6-159388 publications)：In the side of synchronous hub
The friction means slid freely are set on face, by making the friction means be engaged with the convex portion of lock ring, and utilize frictional force to realize
Cushioning effect between recess and convex portion.
The content of the invention
In the synchromesh gear of No. 4729451 publications of Japanese Patent No., there are the following problems：Bend rectangular in form
Buffer part is to colliding the rejection of sound than relatively low.Also, in the synchromesh gear of Japanese Unexamined Patent Publication 6-159388 publications
In, there are the following problems：The frictional force increase of synchronous hub and lock ring, the bearing when spline tooth of synchronizing sleeve pushes the dental inlay tooth of lock ring aside
Lotus (hereinafter referred to as dialling a point load) increases.
The present invention is to complete in view of the above problems, and its object is to there is provided a kind of synchromesh gear, the synchronization
Geared assembly makes the rejection of collision sound further improve than ever in the case where that will not increase group point load.
(1) in order to reach above-mentioned purpose, it is a feature of the present invention that the synchromesh gear has：
Change-speed gearing, its on the outer periphery have dental inlay tooth, the change-speed gearing rotate against freely ground axle suspension in rotary shaft；
Synchronous hub, it is fixed on the rotary shaft；
Synchronizing sleeve, it is combined in the way of sliding axially freely with the periphery spline of the synchronous hub；
Synchronous cone, it is configured between the synchronous hub and the change-speed gearing, also, is arranged to described to become
Fast gear is rotated against；And
Lock ring, there is the spline tooth of inner peripheral surface with being formed at the synchronizing sleeve to engage dental inlay freely on outer peripheral face for it
Tooth, also, the lock ring can be frictionally engaged with the synchronous cone and configure the synchronous hub and the change-speed gearing it
Between,
Convex portion is provided with any one party in the synchronous hub and the lock ring,
Recess is provided with any the opposing party in the synchronous hub and the lock ring, the recess is configured to such as lower section
Formula engages with the convex portion：House the convex portion, also, enable the synchronous hub and the lock ring phase within the limits prescribed
To rotation,
The synchromesh gear is characterised by,
The convex portion is arranged on the lock ring,
The synchronous hub has：From the radially projecting linking part of the rotary shaft；And it is arranged at the outer of the linking part
The peripheral part of periphery,
The recess be made in the way of exposing the outer peripheral edge of the linking part peripheral part with the convex portion pair
The topagnosis answered and constitute,
The synchromesh gear is provided with the clamping part of U-shaped, and the clamping part has a pair of holding pieces, the clamping part quilt
It is mounted to pass through the linking part that sets the recess and expose from the rotation direction of principal axis clamping using the holding piece
Outer peripheral edge,
The holding piece has a holding section, and the holding section engages to prevent the clamping part from described with the linking part
Linking part comes off to radial outside,
It is provided with a pair of plate spring parts on the clamping part, the pair of plate spring part is towards described in the circumference of the lock ring
The two sides extension of convex portion,
The terminal part of the plate spring part is the free end that can freely swing relative to the clamping part,
The plate spring part is configured to, when the synchronous hub and the lock ring are rotated against, the convex portion with it is described recessed
Before portion's contact, the terminal part of the plate spring part and the protrusions contact.
According to the present invention, convex portion is contacted before being contacted with recess with the terminal part of plate spring part.Therefore, convex portion in order to it is recessed
Portion contact, it is necessary to make plate spring part occur elastic deformation, the collision sound of convex portion and recess can be suppressed.Also, according to the present invention, no
The frictional force between lock ring and synchronous hub can be caused to increase because of clamping part.According to the invention it is thus possible to divide not increasing to dial
The rejection of collision sound is further improved in the case of load than ever.
(2) also, in the present invention, the holding section of the holding piece is the circle protruded towards the linking part of the synchronous hub
The protuberance of tubular, the section that the protuberance for housing cylindrical shape is provided with the linking part of the synchronous hub is circular
Accepting hole, the clamping part by can centered on protuberance circumferencial direction swing in the way of be installed on the synchronous hub
Linking part.
According to the structure, when lock ring rotates relative to synchronous hub, plate spring part can respond appropriately to convex portion in circumference
Action.
(3) also, in the present invention, the holding section of the holding piece is the prominent of the linking part protrusion towards the synchronous hub
Go out portion, the accepting groove for housing the protuberance is provided with the linking part of the synchronous hub, the accepting groove has in the circumferential
There is defined width, the clamping part is slided certainly in the circumferential along the accepting groove relative to the linking part of the synchronous hub
Such as.
According to the structure, when lock ring rotates relative to synchronous hub, plate spring part can respond appropriately to convex portion in circumference
Action.Lubricating oil is placed further, it is possible to temporarily accumulate in accepting groove, synchro-meshing dress can be more suitably lubricated than ever
Put.
(4) also, in the present invention, on the linking part of the synchronous hub by forming the recess and exposing, if
It is equipped with tapering, the tapering is configured to wall thickness, and to be radially oriented outside gradually thinning so as to be easily installed the clamping part.
According to the structure, clamping part can be easily installed on to the linking part of synchronous hub.
(5) also, in the present invention, the recess is set in the way of interval in the circumferential with combining for the convex portion
It is equipped with multiple, the clamping part is set on multiple recesses.
According to the structure, impact when recess is collided with convex portion can be flexibly relaxed using multiple plate spring parts, so as to
Enough inhibitory action for further improving collision sound.
Brief description of the drawings
Fig. 1 is the solid that the synchromesh gear of the 1st embodiment of the present invention is decomposed and schematically shown
Figure.
Fig. 2 is the sectional view for the synchromesh gear for showing the 1st embodiment.
Fig. 3 is the stereogram for the clamping part for showing the 1st embodiment.
Fig. 4 A to Fig. 4 C are the works of plate spring part when the recess for the synchromesh gear for showing the 1st embodiment and convex portion are collided
Make the explanation figure of state.Fig. 4 A are to show that convex portion is located at the explanation figure of the central state of recess.Fig. 4 B are to show convex portion and folder
Hold the explanation figure of the state of the plate spring part abutting in portion.Fig. 4 C are to show saying for the state that convex portion is abutted via plate spring part with recess
Bright figure.
Fig. 5 is the stereogram for the synchromesh gear for showing the 2nd embodiment of the present invention.
Label declaration：
10：Synchromesh gear；12：Dental inlay tooth；14：Change-speed gearing；15：Synchronous cone；16：Synchronous hub；16a：Peripheral part；
18：Synchronizing sleeve；20：Spline tooth；22：Dental inlay tooth；24：Lock ring；26：Synchronisation spring；31：Bearing；34：Linking part；34a：Tapering；
36：Spline tooth；37：Recess；37a：Side wall；38：Holding section；41：Convex portion；51：Clamping part；53：Holding piece；55：Connection sheet；
57：Plate spring part；59：Protuberance；61：Accepting hole；80：Spring；86：Synchronous key；X：Rotary shaft.
Embodiment
(the 1st embodiment)
The synchromesh gear of the speed changer of the 1st embodiment is illustrated referring to figs. 1 to Fig. 4 C.Synchromesh gear
10 have：Change-speed gearing 14, it has dental inlay tooth 12 on the outer periphery, and the change-speed gearing 14 can via bearing 31 (reference picture 2)
Rotary shaft X (main shaft, countershaft etc.) is supported on the relative rotation；Synchronous hub 16, it is combined with rotary shaft X splines；Synchronizing sleeve 18, its
Axially movably it can be combined with the spline of synchronous hub 16；Lock ring 24, it has on the outer periphery can be with forming in synchronizing sleeve 18
Inner circumferential on spline tooth 20 engage dental inlay tooth 22, also, lock ring 24 can be rotated integrally with same change-speed gearing 14 it is synchronous
Cone 15 is frictionally engaged, and is configured between synchronous hub 16 and change-speed gearing 14；And synchronisation spring 26, it is configured in lock ring
Between 24 and synchronizing sleeve 18.
Change-speed gearing 14 has the Consistent through holes being used for through insertion bearing 31 and rotary shaft X.In the axial direction of change-speed gearing 14
Side (being in fig. 1 and 2 left side) is provided projectingly the synchronous cone 15 of the thinner drum in head.In the outer of synchronous cone 15
The side of change-speed gearing 14 of side face is formed with dental inlay tooth 12.Also, the inner peripheral surface of synchronous cone 15 and lock ring 24 is frictionally engaged.
The peripheral part 16a protruded in the way of axially extending is formed with the outer peripheral edge of synchronous hub 16.The peripheral part
16a is fixed on rotary shaft X via the linking part 34 from rotary shaft X protrusions radially in the form of annular discs.Also, in synchronous hub 16
Spline tooth 36 is formed with peripheral part 16a periphery.Also, the end of the axial opposite side in peripheral part 16a be (Fig. 1 and Fig. 2's
Right-hand end) on, multiple (being in the present embodiment 3) recesses 37 have been equally spaced in the circumferential, and the recess 37 is
Make in the way of the outer peripheral edge for making linking part 34 is exposed formed by peripheral part 16a significantly lacks.
Synchronizing sleeve 18 is formed as cylindric.It is provided with what can be closed with omitting the fork of diagram on the periphery of synchronizing sleeve 18
Holding section 38.
Lock ring 24 is formed as cylindric.The axial side of the outer peripheral face of lock ring 24 end (Fig. 1 and Fig. 2 left side
End) on be formed with convex portion 41, the recess 37 of the convex portion 41 and synchronous hub 16 can rotate against within the limits prescribed
Mode is fitted together to (engaging).The outer peripheral face friction for the synchronous cone 15 that the inner peripheral surface of lock ring 24 can be rotated integrally with same change-speed gearing 14
Engagement.
In the present embodiment, by defined range set for dental inlay tooth 22 half of spacing (from the center of dental inlay tooth 22
To the center Ju From of adjacent dental inlay tooth 22 half).Thus, lock ring 24 can be relative to the rotating gripper inserted tooth 22 of synchronous hub 16
Half of spacing.
Synchronisation spring 26 is formed as ring-type.Synchronisation spring 26 is along with synchronizing sleeve 18 in the axial direction to the sidesway of change-speed gearing 14
It is dynamic, and push lock ring 24 to synchronous cone 15.
The clamping part 51 of substantially U-shaped is installed on the outer peripheral edge of the linking part 34 exposed by recess 37.Clamping part
51 be that 1 piece of metallic plate (for example, stainless steel plate) is carried out formed by punching bending.Clamping part 51 has：A pair of holding pieces 53,
They diametrically extend along the axial sides of linking part 34；And connection sheet 55, its connect two holding pieces 53 footpath it is outside
The ora terminalis of square side.
Be provided with a pair of plate spring parts 57 on the lateral margin of the side of connection sheet 55 of each holding piece 53, this pair of plate spring part 57 with
The mode that linking part 34 is separated is axially extended.Interval between a pair of plate spring parts 57 is set to the circumferential width than convex portion 41
Greatly, it is and smaller than the circumferential width of recess 37.
As shown in figure 3, being provided with the part of the radial direction inward side of holding piece 53 in the way of being protruded towards linking part 34
Cylindric protuberance 59, the protuberance 59 be holding piece 53 is punched formed by.In addition, in figure 3, it is cylindric
The end of protuberance 59 is opening, however, it can be the cylindric protuberance of endcapped.
Reference picture 2, it is circular accepting hole 61 to be provided with linking part 34 and house the section of protuberance 59.By that will dash forward
Go out in the insertion of portion 59 accepting hole 61, the situation that can prevent clamping part 51 from unexpectedly being come off from linking part 34.In addition, accepting hole 61
It can also be the accepting hole that Consistent leads to knot 34 in the axial direction.
Holding piece 53 is sized to：When clamping part 51 is arranged on linking part 34, connection sheet 55 is with linking
The outer peripheral edge in portion 34 has defined gap.By the defined gap, clamping part 51 can be with protuberance 59 and accepting hole 61
Swung centered on the holding section engaged.
Clamping part 51 is configured to：Even if clamping part 51 enters to swing, the plate spring part 57 of clamping part 51 also will not be with recess 37
Side wall 37a contact.Thereby, it is possible to reduce the collision sound between convex portion 41 and recess 37 by the elastic force of plate spring part 57.
Be formed with the periphery edge of the linking part 34 exposed by recess 37 wall thickness be radially oriented outside and by
The thin tapering 34a of gradual change.Thus, clamping part 51 can be easily installed on linking part 34.
3 clamping parts 51 with plate spring part 57 are equally spaced installed in the circumferential.3 plate spring parts 57 are with spring
The elastomer of elasticity, for example, being formed by stainless steel.The terminal part of plate spring part 57 is made up of the free end that can freely swing.Root
The maximum variation and the inertia force of lock ring 24 of the rotating speed of when being in idling mode according to vehicle and when vehicle is travelled, driving source
Square and obtain maximum rotational energy, plate spring part 57 is set as to required elastic force according to calculated maximum rotational energy.
Shown from Fig. 4 A to Fig. 4 C when the recess 37 of the synchromesh gear 10 of the 1st embodiment is collided with convex portion 41
The working condition of plate spring part 57.In Figure 4 A, show that convex portion 41 is located at the central state of recess 37.Now, convex portion 41 and plate
Spring portion 57 is not contacted.Fig. 4 B show the state that convex portion 41 is abutted with plate spring part 57.Now, convex portion 41 and recess 37 not via
Plate spring part 57 and contact.
When lock ring 24 will be rotated against further from Fig. 4 B state relative to synchronous hub 16, clamping part 51 is put
It is dynamic, amount of the oscillating quantity equivalent to the gap between connection sheet 55 and the radial outer end edge of linking part 34.In addition, in only clamping part
51 when having carried out swing, and convex portion 41 is not abutted with recess 37.When lock ring 24 will from that it is further relative relative to synchronous hub 16
During rotation, while convex portion 41 makes 57 elastic deformation of plate spring part as shown in Figure 4 C via plate spring part 57 with the side wall of recess 37
37a is abutted.
Also, the engaging between the spline tooth 20 of synchronizing sleeve 18 and the dental inlay tooth 22 of lock ring 24 is released from, and will be from figure
When 4C state returns to Fig. 4 B state, synchronizing sleeve 18 can successfully be returned by the recuperability of plate spring part 57.
Then, the action to the synchromesh gear 10 of speed changer is illustrated.Synchronizing sleeve 18 is located at synchronous hub 16
The state in center is defined as neutral state.
First, on synchromesh gear 10, moved when synchronizing sleeve 18 is since neutral state to the side of change-speed gearing 14
When, the pressing synchronisation spring 26 of spline tooth 20 of synchronizing sleeve 18, so as to produce friction between synchronous cone 15 and lock ring 24.Also,
The spline tooth 20 of synchronizing sleeve 18 is contacted with the dental inlay tooth 22 of lock ring 24.
Also, when lock ring 24 is synchronous with the rotation of synchronous cone 15, by synchronizing sleeve 18 will be to the sidesway of change-speed gearing 14
Dynamic power, lock ring 24 rotates relative to synchronizing sleeve 18, so that the spline tooth 20 of synchronizing sleeve 18 enters the adjacent dental inlay of lock ring 24
Between tooth 22.Also, the spline tooth 20 of synchronizing sleeve 18 is pushed aside between the dental inlay tooth 22 of lock ring 24 and moved to the side of change-speed gearing 14.
Also, the dental inlay tooth 12 for the spline tooth 20 and change-speed gearing 14 for having pushed the synchronizing sleeve 18 between dental inlay tooth 22 aside connects
Touch.Also, the spline tooth 20 of synchronizing sleeve 18 also push the dental inlay tooth 12 of change-speed gearing 14 aside and with the dental inlay tooth 12 of change-speed gearing 14
Engagement.
According to the synchromesh gear 10 of the 1st embodiment, without as in the past by making the corresponding part of key spring
Bend rectangular in form and form buffer part.Also, the end of plate spring part 57 is the free end that can freely swing.Thus, the 1st
In the synchromesh gear 10 of embodiment, plate spring part 57 is easier to swing than ever, it is possible to increase the resiliency of plate spring part 57
Can, thus dialled caused by the generation because of friction will not be made a point load increase just can further improve than ever to convex portion 41 with
The rejection of collision sound between recess 37.
Also, when lock ring 24 is synchronous with the rotary speed of synchronous cone 15, the spline tooth 20 of synchronizing sleeve 18 pushes lock ring 24 aside
Dental inlay tooth 22 between and to the side of change-speed gearing 14 move.Now, by means of the recuperability of plate spring part 57, the convex portion 41 of lock ring 24
It is mobile to the center of the recess 37 of synchronizing sleeve 18.Thus, the spline tooth 20 of reduction synchronizing sleeve 18 is pushing the dental inlay of lock ring 24 aside
Required dialling divides a load when between tooth 22.
Also, in conventional synchromesh gear, there is also following device：Set and slide freely in the side of synchronous hub
Friction means, cushioning effect is realized between convex portion and recess by frictional resistance.However, according to the synchronization of present embodiment
Geared assembly, due to without using frictional force, therefore, it is possible to prevent synchronizing sleeve 18 it is spline tooth 20, pushing the dental inlay of lock ring 24 aside
The required increase for dialling point load when between tooth 22, so that the dental inlay tooth of the spline tooth 20 of synchronizing sleeve 18 and change-speed gearing 14
12 smoothly engagements.
In addition, in the 1st embodiment, cylindric protuberance 59 is illustrated as the protuberance of the present invention,
It is illustrated as the resettlement section pair cross-section of the present invention for circular accepting hole 61.However, protuberance and the collecting of the present invention
Portion's not limited to this.For example, the protuberance on the present invention, can be formed as rectangular shape, or be spaced by existing in the circumferential
2 cylindric protuberances constitute, on the resettlement section of the present invention, can also be made up of accepting groove, the accepting groove is by along week
Constituted to the slotted eye of the oblong-shaped of extension.In this case, as long as even if being configured to clamping part along accepting groove in the circumferential
Mobile plate spring part will not also be contacted with the side wall of recess.As long as such structure, then lubricating oil easily accumulate in collecting
In groove, it can be formed as easily suitably lubricating synchromesh gear.
Also, in the 1st embodiment, following device is illustrated：Set on the holding piece 53 of clamping part 51
Protuberance 59 is put, is engaged by making the protuberance 59 with being arranged at the accepting hole 61 of linking part 34, and constitutes the engaging of the present invention
Portion.However, the holding section not limited to this of the present invention.For example, the holding section of the present invention can also be by being arranged at the card of holding piece 53
The projection for being arranged at linking part 34 closed hole and be inserted into the connecting hole is constituted.
(the 2nd embodiment)
In the synchromesh gear 10 of the 1st embodiment, it is illustrated using following device：Synchronizing sleeve 18 is via same
Walk spring 26 and press lock ring 24, increase the frictional force between lock ring 24 and synchronous cone 15, make synchronous hub 16 and change-speed gearing
14 rotation is synchronous.However, the synchromesh gear not limited to this of the present invention.
As shown in the synchromesh gear 10 of Fig. 5 the 2nd embodiment, with pressing on synchronizing sleeve 18 by spring 80
, can also be using plate spring part and clamping part of the invention in the synchromesh gear of the keyed of synchronous key 86.In addition, real the 2nd
In the synchromesh gear 10 for applying mode, pair identical is marked with the identical structure of synchromesh gear 10 of the 1st embodiment
Label is simultaneously omitted the description.
In addition, in the 2nd embodiment, it is also identical with the 1st embodiment, it is used as this hair using cylindric protuberance 59
Bright protuberance, the resettlement section of the present invention is used as using section for circular accepting hole 61.However, the protuberance and receipts of the present invention
Appearance portion not limited to this.For example, the protuberance on the present invention, can also be formed as rectangular shape, or by existing in the circumferential
2 cylindric protuberances at interval are constituted, on the resettlement section of the present invention, can also be by the oblong-shaped that extends in the circumferential
Slotted eye constitute.In this case, as long as move plate spring part in the circumferential along slotted eye even if clamping part also will not be with recess
The contact of side wall structure.
Also, it is identical with the 1st embodiment in the 2nd embodiment, set and protrude on the holding piece 53 of clamping part 51
Portion 59, by making the protuberance 59 engage and constitute the holding section of the present invention with being arranged at the accepting hole 61 of linking part 34.However,
The holding section not limited to this of the present invention.For example, the present invention holding section can also by be arranged at holding piece 53 connecting hole and
The projection for being arranged at linking part 34 being inserted into the connecting hole is constituted.
Claims (6)
1. a kind of synchromesh gear, it has：
Change-speed gearing, its on the outer periphery have dental inlay tooth, the change-speed gearing rotate against freely ground axle suspension in rotary shaft；
Synchronous hub, it is fixed on the rotary shaft；
Synchronizing sleeve, it is combined in the way of sliding axially freely with the periphery spline of the synchronous hub；
Synchronous cone, it is configured between the synchronous hub and the change-speed gearing, also, be arranged to can not be with the gear teeth
Wheel is rotated against；And
Lock ring, there is the spline tooth of inner peripheral surface with being formed at the synchronizing sleeve to engage dental inlay tooth freely on outer peripheral face for it,
Also, the lock ring can be frictionally engaged with the synchronous cone and be configured between the synchronous hub and the change-speed gearing,
Convex portion is provided with any one party in the synchronous hub and the lock ring,
Be provided with recess on any the opposing party in the synchronous hub and the lock ring, the recess be configured to as follows with
The convex portion engaging：The convex portion is housed, also, enables the synchronous hub and the lock ring relative rotation within the limits prescribed
Turn,
The synchromesh gear is characterised by,
The convex portion is arranged on the lock ring,
The synchronous hub has：From the radially projecting linking part of the rotary shaft；And it is arranged at the outer peripheral edge of the linking part
Peripheral part,
The recess is to make the peripheral part in the way of exposing the outer peripheral edge of the linking part corresponding with the convex portion
Topagnosis and constitute,
The synchromesh gear is provided with the clamping part of U-shaped, and the clamping part has a pair of holding pieces, and the clamping part is mounted
Pass through the periphery for the linking part that the recess is set and exposed from the rotation direction of principal axis clamping into using the holding piece
Edge,
The holding piece has holding section, and the holding section engages to prevent the clamping part from from described linking with the linking part
Portion comes off to radial outside,
It is provided with a pair of plate spring parts on the clamping part, the pair of plate spring part is towards the convex portion in the circumference of the lock ring
Two sides extension,
The terminal part of the plate spring part is the free end that can freely swing relative to the clamping part,
The plate spring part is configured to, and when the synchronous hub and the lock ring are rotated against, is connect in the convex portion with the recess
Before touching, the terminal part of the plate spring part and the protrusions contact.
2. synchromesh gear according to claim 1, it is characterised in that
The holding section of the holding piece is the cylindric protuberance protruded towards the linking part of the synchronous hub,
It is circular accepting hole to be provided with the linking part of the synchronous hub and house the section of the cylindric protuberance,
The clamping part centered on protuberance by the way of circumferencial direction is swung being installed on the company of the synchronous hub
Knot.
3. synchromesh gear according to claim 1, it is characterised in that
The holding section of the holding piece is the protuberance protruded towards the linking part of the synchronous hub,
The accepting groove for housing the protuberance is provided with the linking part of the synchronous hub,
The accepting groove has defined width in the circumferential, though width as defined in described be configured to the clamping part along
The accepting groove moves the plate spring part and will not also contacted with the side wall of the recess in the circumferential,
The clamping part slides freely in the circumferential along linking part of the accepting groove relative to the synchronous hub.
4. the synchromesh gear described in any one in claims 1 to 3, it is characterised in that
On the linking part of the synchronous hub by forming the recess and exposing, tapering is provided with, the tapering is configured to
It is gradually thinning so as to be easily installed the clamping part that wall thickness is radially oriented outside.
5. synchromesh gear according to claim 4, it is characterised in that
The combining of the recess and the convex portion be provided with the circumferential in the way of interval it is multiple,
The clamping part is set on multiple recesses.
6. the synchromesh gear described in any one in claims 1 to 3, it is characterised in that
The combining of the recess and the convex portion be provided with the circumferential in the way of interval it is multiple,
The clamping part is set on multiple recesses.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-089392 | 2014-04-23 | ||
| JP2014089392A JP6211456B2 (en) | 2014-04-23 | 2014-04-23 | Synchronizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020290A CN105020290A (en) | 2015-11-04 |
| CN105020290B true CN105020290B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510088060.8A Active CN105020290B (en) | 2014-04-23 | 2015-02-26 | Synchromesh gear |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6211456B2 (en) |
| CN (1) | CN105020290B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6763813B2 (en) | 2017-03-29 | 2020-09-30 | 武蔵精密工業株式会社 | Engagement type clutch mechanism |
| CN113483034B (en) * | 2021-06-30 | 2023-05-23 | 重庆长安汽车股份有限公司 | Synchronizer sliding block and synchronizer |
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| CN102644723A (en) * | 2012-04-24 | 2012-08-22 | 陕西法士特齿轮有限责任公司 | Lock ring type synchronization device and its synchronization method |
| CN103343785A (en) * | 2013-07-30 | 2013-10-09 | 上海理工大学 | Asymmetric soldered tooth synchronizer of automobile |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59208227A (en) * | 1983-05-12 | 1984-11-26 | Nissan Motor Co Ltd | Synchronizing device of transmission |
| JPH0750590Y2 (en) * | 1989-11-24 | 1995-11-15 | 川崎重工業株式会社 | Synchronizer |
| JP4609796B2 (en) * | 2005-08-05 | 2011-01-12 | 協和合金株式会社 | Synchronizer for transmission |
-
2014
- 2014-04-23 JP JP2014089392A patent/JP6211456B2/en not_active Expired - Fee Related
-
2015
- 2015-02-26 CN CN201510088060.8A patent/CN105020290B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2510759A1 (en) * | 1975-03-12 | 1976-09-23 | Porsche Ag | Synchronizing ring in vehicle gear box - is assisted by slotted doubled tapered stop ring with location blocks |
| US4330053A (en) * | 1979-04-25 | 1982-05-18 | Ford Motor Company | Meshing device for an after-running transmission shaft |
| SU1043379A1 (en) * | 1981-04-28 | 1983-09-23 | Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Автомобильный И Автомоторный Институт | Gear-box synchronizer |
| US5701984A (en) * | 1996-06-13 | 1997-12-30 | Korea Spicer Corp. | Synchronizer for automobile transmission |
| CN101936344A (en) * | 2010-08-30 | 2011-01-05 | 赵孝生 | Gearbox synchronizer |
| CN102644723A (en) * | 2012-04-24 | 2012-08-22 | 陕西法士特齿轮有限责任公司 | Lock ring type synchronization device and its synchronization method |
| CN103343785A (en) * | 2013-07-30 | 2013-10-09 | 上海理工大学 | Asymmetric soldered tooth synchronizer of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6211456B2 (en) | 2017-10-11 |
| CN105020290A (en) | 2015-11-04 |
| JP2015209848A (en) | 2015-11-24 |
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