CN107630945A - A kind of synchronizer assembly - Google Patents
A kind of synchronizer assembly Download PDFInfo
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- CN107630945A CN107630945A CN201710790858.6A CN201710790858A CN107630945A CN 107630945 A CN107630945 A CN 107630945A CN 201710790858 A CN201710790858 A CN 201710790858A CN 107630945 A CN107630945 A CN 107630945A
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Abstract
A kind of synchronizer assembly,Including tooth hub,Tooth hub both sides are respectively equipped with a cone hub,Sliding gear collar is set with tooth hub,Pushing block mounting groove is offered on the tooth hub flank of tooth,Pushing block mounting groove is built with pushing block component,A synchronous ring is respectively equipped between pushing block component and two cone hubs,Synchronous ring is provided with first boss,First boss is installed in pushing block mounting groove,Two second boss are along the circumferential direction at least additionally provided with synchronous ring,Second boss one end is provided with notch,The second boss other end is provided with extension spring hole,The flank of tooth of tooth hub is provided with the first groove for being used for accommodating spring body,The inner surface of sliding gear collar is provided with the second groove for being used for accommodating extension spring,The spring body of extension spring is arranged on by the first groove,In the cavity that second groove and notch are formed,The spring of extension spring one end is hooked and is connected in the extension spring hole on a synchronous ring,The spring of the extension spring other end is hooked and is connected on another synchronous ring in corresponding extension spring hole,Extension spring makes two synchronous rings be compressed to tooth hub direction.Suitable for synchronizer.
Description
Technical field
The present invention relates to synchronizer field, more particularly to a kind of synchronizer assembly.
Background technology
At present, the operation principle of automobile synchronizer is generally：Sliding gear collar passes through spline with tooth hub, tooth hub and power transmission shaft
Engagement, shifting gear is by bearing holder (housing, cover) loaded on, it is necessary to when shifting gears, sliding gear collar is allocated to by selector fork to be needed to change on power transmission shaft
Shifting gear, before the cone hub that the shifting gear changed to the needs is fixedly connected engages with sliding gear collar, synchronous ring is first
Combined with cone hub, make the rotating speed of tooth hub and cone hub synchronous rapidly by the friction between the conical surface, i.e., synchronizer sliding sleeve gear is with needing
The rotating speed for the shifting gear to be changed to is synchronous rapidly, and the cone hub for the gear for now needing to change to and the sliding gear collar of synchronizer are nibbled
Close, shift process is completed, and the shifting gear that power is changed to by the needs reaches power transmission shaft, and band electrical automobile continues to travel.
In existing synchronizer, synchronous ring is disposed between cone hub and tooth hub, and synchronous ring side positions by boring the conical surface of hub,
Other side positions by tooth hub end face, and synchronous annulate shaft is to can be with play.In neutral gear, there is speed in synchronous ring and both sides cone hub
Difference；After hanging up side gear, there is speed difference in opposite side synchronization ring and opposite side cone hub, should due to the axial float of synchronous ring
Do not put into gear side synchronous ring the conical surface can with bore hub taper-face contact so that this is not put into gear the synchronous ring of side and cone hub
Certain moment of friction can be produced, and then the overall trailing moment of gearbox can be improved, reduces the transmission efficiency of gearbox, and
Synchronous ring can also be shortened and bore the service life of hub.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of synchronizer assembly.
In order to realize the above object a kind of synchronizer assembly provided by the invention, including tooth hub, the both sides point of the tooth hub
A cone hub is not disposed with, is set with sliding gear collar on the flank of tooth of the tooth hub, pushing block is further opened with the flank of tooth of the tooth hub
Mounting groove, the pushing block mounting groove are provided with and the sliding gear collar built with pushing block component, the outer surface of the pushing block component
The pushing block engaging tooth that inner surface is engaged, the pushing block component are engaged by the pushing block engaging tooth with the sliding gear collar, institute
State and be respectively equipped with a synchronous ring between pushing block component and two cone hubs, the pushing block mounting groove is corresponded on the synchronous ring
Position be provided with first boss, the first boss is installed in the pushing block mounting groove, on the synchronous ring along the circumferential direction
Two second boss are at least additionally provided with, the second boss is provided with the spring body end for being used for accommodating extension spring towards one end of the tooth hub
The notch of head, the other end of the second boss are provided with the extension spring hole for the spring hook for being used to mount the extension spring, the tooth of the tooth hub
The position that the second boss is corresponded on face is provided with the first groove for being used for accommodating the spring body, the inner surface of the sliding gear collar
The position of the upper correspondence second boss, which is provided with, is used to accommodating the second groove of the extension spring, the spring body of the extension spring be arranged on by
In the cavity that first groove, second groove and the notch are formed, the spring of described extension spring one end, which hooks, is connected on one
In extension spring hole on the individual synchronous ring, the spring of the extension spring other end, which hooks, is connected on corresponding drawing on another described synchronous ring
In spring hole, the extension spring makes two synchronous rings be compressed to the tooth hub direction.
Two synchronous rings are made to be compressed all the time to tooth hub direction by the extension spring added, so, axle would not occur for synchronous ring
To play, frictional force is produced with cone hub so as to avoid the synchronous ring for side of not put into gear caused by the axial float of synchronous ring
Square, so as to reduce the overall trailing moment of gearbox, improve the transmission efficiency of gearbox, and also improve synchronous ring and
Bore the service life of hub；Meanwhile after synchronous ring is worn with cone hub using a period of time, due to the elastic force of extension spring, extension spring
It can automatically shorten, so as to continue to compress two synchronous ring tooth hub directions, and then further increasing service life, and such as
Axial float is occurred come limits synchronization ring using the part that will not shorten automatically, then when synchronous ring is sent out with cone hub using a period of time
After raw abrasion, axial float can still occur for synchronous ring；Moreover, by first adding second boss, then groove is opened up in second boss
Mouth and extension spring hole, the intensity of synchronous ring can be so improved, so as to further improve service life.
In such scheme, the second boss is arranged with first boss dislocation.
In such scheme, the quantity of the second boss is identical with the quantity of the first boss, the second boss
It is alternately arranged with circumferencial direction of the first boss along the synchronous ring.
In such scheme, the position that the extension spring hole is corresponded on the synchronous ring is provided with deep gouge.By on synchronous ring
The Position Design deep gouge in corresponding extension spring hole, the spring hook leakage of extension spring is so avoided that, it is dry to prevent that extension spring from occurring with other parts
Relate to.
In such scheme, the pushing block component includes pushing block body, spring and steel with pushing block engaging tooth on outer surface
Ball, the position on the pushing block body between corresponding two pushing block engaging tooths are radially offered for installing the steel ball
With the installation through-hole of the spring, the installation through-hole includes frustum section and cylindrical section, and the lower port of the cylindrical section is located at institute
On the bottom surface for stating pushing block body, the upper port of the cylindrical section connects with the lower port of the frustum section, the frustum section it is upper
Port is located at the position between corresponding two pushing block engaging tooths, the upper port of the frustum section on the pushing block body top surface
Diameter be less than the frustum section lower port diameter, the diameter of the lower port of the frustum section and the diameter of the cylindrical section
Identical, the diameter of the cylindrical section is more than the diameter of the steel ball, and the diameter of the steel ball is more than the upper port of the frustum section
Diameter；The bottom surface of the pushing block body is provided with the spring mounting seat with the installation spring, and the spring mounting seat is U-shaped knot
Structure, the top of the U-shape structure are connected with the bottom surface of the pushing block body, and the bottom of the U-shape structure corresponds to the peace
The position of dress through hole is provided with through hole, and the spring retainer chuck for installing the spring, the spring are installed with the through hole
Upper end the steel ball is fitted in the installation through-hole, the lower end of the spring is installed in the spring retainer chuck.
By the segmentation structure for being designed to be spliced by frustum section and cylindrical section by installation through-hole, and by frustum section
The diameter design of upper port is into the diameter less than steel ball, and so, steel ball will not be deviate from out of installation through-hole, meanwhile, by pushing away
The spring mounting seat of U-shape structure is added on the bottom surface of block body, and the lower end of spring is installed on bullet by spring retainer chuck
In spring mounting seat, it is monolithic construction that can so make this slide block mechanism, is not in the problem of falling apart.
In such scheme, the spring retainer chuck includes spring Access Division, spring supporting portion and installation snapin part, institute
The lower end for stating spring Access Division is connected with the upper end in the spring supporting portion, lower end and the installation card in the spring supporting portion
The upper end for entering portion is connected, and the spring Access Division, the spring supporting portion and the installation snapin part are cylindrical structure, described
The external diameter of spring Access Division is engaged with the internal diameter of the spring, and the external diameter of the spring is less than the outer of the spring supporting portion
Footpath, the external diameter in the spring supporting portion are more than the diameter of the through hole, and the diameter of the through hole is outer with the installation snapin part
Footpath is engaged, and the installation snapin part is installed in the through hole, and the lower end of the spring is installed on the spring Access Division.
In such scheme, the position that the lower end in the spring supporting portion is connected with the upper end of the installation snapin part is provided with
Escape.On the one hand the escape added facilitates the processing of spring retainer chuck, on the other hand can ensure that spring supporting portion is put down
Whole is stuck on the bottom of spring mounting seat.
In such scheme, the lower end of the installation snapin part is provided with the conical surface.The conical surface added facilitates spring retainer card
The installation of platform.
In such scheme, the diameter of the cylindrical section is identical with the diameter of the through hole.By by the diameter of cylindrical section
It is designed to identical with the diameter of through hole, through hole and installation through-hole so can be once processed successively from bottom to up, so as to improve
The production efficiency of this slide block mechanism.
In such scheme, the space D between two radial direction boss side surfaces of the first boss is installed less than the pushing block
The circumferential width H of groove, the first boss offset towards the raised head face of the tooth hub with the pushing block body.Pass through
The raised head face of one boss towards tooth hub is designed to offset with pushing block body, and so, first boss can not only play the work of clamping
With, and spacing pushing block body can also be played a part of.
The beneficial effect that technical scheme provided by the invention is brought is：
1st, two synchronous rings are made to be compressed all the time to tooth hub direction by the extension spring added, so, synchronous ring would not occur
Axial float, friction is produced with cone hub so as to avoid the synchronous ring for side of not put into gear caused by the axial float of synchronous ring
Torque, so as to reduce the overall trailing moment of gearbox, the transmission efficiency of gearbox is improved, and also improve synchronous ring
With the service life of cone hub；
2nd, after synchronous ring is worn with cone hub using a period of time, due to the elastic force of extension spring, extension spring can be shortened automatically,
So as to continue to compress two synchronous ring tooth hub directions, and then service life is further increasing, and will not be certainly as used
The dynamic part shortened carrys out limits synchronization ring and axial float occurs, then after synchronous ring is worn with cone hub using a period of time,
Axial float can still occur for synchronous ring；
3rd, by first adding second boss, then notch and extension spring hole are opened up in second boss, can so improves synchronous ring
Intensity, so as to further improving service life；
4th, by corresponding to the Position Design deep gouge in extension spring hole on synchronous ring, the spring hook leakage of extension spring, energy are so avoided that
Prevent extension spring from being interfered with other parts；
5th, by the segmentation structure for being designed to be spliced by frustum section and cylindrical section by installation through-hole, and by frustum section
Upper port diameter design into the diameter less than steel ball, so, steel ball will not be deviate from out of installation through-hole；
6th, by adding the spring mounting seat of U-shape structure on the bottom surface of pushing block body, and the lower end of spring is passed through into bullet
For spring limiting card decometer on the spring mounting seat, it is monolithic construction that can so make this slide block mechanism, is not in asking of falling apart
Topic；
7th, on the one hand the escape added facilitates the processing of spring retainer chuck, on the other hand can ensure that spring supporting portion
Smooth is stuck on the bottom of spring mounting seat；
8th, the conical surface added facilitates the installation of spring retainer chuck；
9th, by the way that the diameter design of cylindrical section into identical with the diameter of through hole, so can be processed once successively from bottom to up
Go out through hole and installation through-hole, so as to improve the production efficiency of this slide block mechanism；
10th, it is designed to offset with pushing block body towards the raised head face of tooth hub by first boss, so, first boss is not
It is only capable of playing a part of clamping, and spacing pushing block body can also be played a part of.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 configuration schematic diagram；
Fig. 3 is that Fig. 1 removes the structural representation after cone hub；
Fig. 4 is the structural representation of tooth hub；
Fig. 5 is the structural representation of sliding gear collar；
Fig. 6 is the structural representation of synchronous ring；
Fig. 7 is another viewing angle constructions schematic diagram of synchronous ring；
Fig. 8 is the structural representation of pushing block component；
Fig. 9 is Fig. 8 configuration schematic diagram；
Figure 10 is Fig. 8 cross-sectional view；
Figure 11 is the structural representation of pushing block body and spring mounting seat in Figure 10；
Figure 12 is the partial enlargement structural representation in A portions in Figure 11；
Figure 13 is the structural representation of spring retainer chuck.
In figure：Tooth hub 1, pushing block mounting groove 1a, the first groove 1b, bore hub 2, sliding gear collar 3, the second groove 3a, pushing block group
Part 4, pushing block engaging tooth 4a, pushing block body 4b, spring 4c, steel ball 4d, installation through-hole 4e, frustum section 4e1, cylindrical section 4e2, spring
Mounting seat 4f, through hole 4f1, spring retainer chuck 4g, spring Access Division 4g1, spring supporting portion 4g2, snapin part 4g3 is installed, moved back
Cutter groove 4g4, conical surface 4g5, synchronous ring 5, first boss 5a, radial direction boss side surfaces 5a1, raised head face 5a2, second boss 5b, groove
Mouth 5b1, extension spring hole 5b2, deep gouge 5c, extension spring 6, spring body 6a, spring hook 6b.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but the embodiment should not be construed as pair
The limitation of the present invention.
Embodiment：A kind of synchronizer assembly, including tooth hub 1, the both sides of the tooth hub 1 are respectively disposed with a cone hub 2, institute
State and sliding gear collar 3 is set with the flank of tooth of tooth hub 1, pushing block mounting groove 1a, the pushing block are further opened with the flank of tooth of the tooth hub 1
Built with pushing block component 4, the outer surface of the pushing block component 4 is provided with to match mounting groove 1a with the inner surface of sliding gear collar 3
The pushing block engaging tooth 4a of conjunction, the pushing block component 4 is engaged by the pushing block engaging tooth 4a with the sliding gear collar 3, described to push away
A synchronous ring 5 is respectively equipped between block assembly 4 and two cone hubs 2, the pushing block mounting groove is corresponded on the synchronous ring 5
1a position is installed in the pushing block mounting groove 1a provided with first boss 5a, the first boss 5a, edge on the synchronous ring 5
Circumferencial direction, which is at least additionally provided with two second boss 5b, the second boss 5b and is provided with towards one end of the tooth hub 1, to be used to hold
Notch 5b1, the second boss 5b other end of spring body 6a terminations of extension spring 6 received is provided with and is used to mount the spring of the extension spring 6
Hook 6b extension spring hole 5b2, the position that the second boss 5b is corresponded on the flank of tooth of the tooth hub 1 are provided with and are used to accommodate the spring body
6a the first groove 1b, the position that the second boss 5b is corresponded on the inner surface of the sliding gear collar 3 are provided with and are used to accommodate institute
State the second groove 3a of extension spring 6, the spring body 6a of the extension spring 6 be arranged on by the first groove 1b, the second groove 3a and
In the cavity that the notch 5b1 is formed, the spring hook 6b of described one end of extension spring 6 is articulated in the extension spring on a synchronous ring 5
In the 5b2 of hole, the spring hook 6b of the other end of extension spring 6 is articulated on another described synchronous ring 5 in corresponding extension spring hole 5b2, institute
Stating extension spring 6 makes two synchronous rings 5 be compressed to the direction of tooth hub 1.
Two synchronous rings 5 are made to be compressed all the time to the direction of tooth hub 1 by the extension spring 6 added, so, synchronous ring 5 would not be sent out
Raw axial float, produced so as to avoid the synchronous ring 5 for side of not put into gear caused by the axial float of synchronous ring 5 with cone hub 2
Raw moment of friction, so as to reduce the overall trailing moment of gearbox, the transmission efficiency of gearbox is improved, and also improve
The service life of synchronous ring 5 and cone hub 2；Meanwhile after synchronous ring 5 is worn with cone hub 2 using a period of time, due to extension spring
6 elastic force, extension spring 6 can be shortened automatically, so as to continue to compress two synchronous rings 5 to the direction of tooth hub 1, and then further improve
Service life, and as axial float occurs come limits synchronization ring 5 using the part that will not shorten automatically, then when synchronous ring 5 with
After cone hub 2 is worn using a period of time, axial float can still occur for synchronous ring 5；Moreover, by first adding second boss
5b, then notch 5b1 and extension spring hole 5b2 are opened up on second boss 5b, the intensity of synchronous ring 5 can be so improved, so as to more enter one
Improve service life to step.
Above-mentioned second boss 5b and first boss 5a dislocation is arranged.The quantity of the second boss 5b and described first
Boss 5a quantity is identical, and the second boss 5b replaces cloth with circumferencial directions of the first boss 5a along the synchronous ring 5
Put.
The position that the extension spring hole 5b2 is corresponded on above-mentioned synchronous ring 5 is provided with deep gouge 5c.Drawn by corresponding on synchronous ring 5
Spring hole 5b2 Position Design deep gouge 5c, the spring hook 6b leakages of extension spring 6 are so avoided that, can prevent extension spring 6 from occurring with other parts
Interference.
Above-mentioned pushing block component 4 includes pushing block body 4b, spring 4c and steel ball 4d with pushing block engaging tooth 4a on outer surface, institute
The position on pushing block body 4b between corresponding two pushing block engaging tooth 4a is stated radially to offer for installing the steel ball
4d and spring 4c installation through-hole 4e, the installation through-hole 4e includes frustum section 4e1 and cylindrical section 4e2, the cylindrical section
4e2 lower port is located on the bottom surface of the pushing block body 4b, and the upper port of the cylindrical section 4e2 is with the frustum section 4e1's
Lower port connects, and the upper port of the frustum section 4e1 is located on the pushing block body 4b top surfaces (i.e. outer surface) corresponding two institutes
The position between pushing block engaging tooth 4a is stated, the diameter of the upper port of the frustum section 4e1 is less than the lower port of the frustum section 4e1
Diameter, the diameter of the lower port of the frustum section 4e1 is identical with the diameter of the cylindrical section 4e2, and the cylindrical section 4e2's is straight
Footpath is more than the diameter of the steel ball 4d, and the diameter of the steel ball 4d is more than the upper port diameter of the frustum section 4e1；The pushing block
It is U-shape structure that body 4b bottom surface, which is provided with the spring mounting seat 4f, the spring mounting seat 4f that install the spring 4c, institute
The top for stating U-shape structure is connected with the bottom surface of the pushing block body 4b, and the bottom of the U-shape structure corresponds to the installation and led to
Hole 4e position is provided with the spring retainer chuck 4g being installed with through hole 4f1, the through hole 4f1 for installing the spring 4c,
The steel ball 4d is fitted in the installation through-hole 4e by the upper end of the spring 4c, and the lower end of the spring 4c is installed on described
On spring retainer chuck 4g.
By the segmentation structure for being designed to be spliced by frustum section 4e1 and cylindrical section 4e2 by installation through-hole 4e, and will
The diameter design of frustum section 4e1 upper port is into the diameter less than steel ball 4d, and so, steel ball 4d will not take off out of installation through-hole 4e
Go out, meanwhile, lead to by adding the spring mounting seat 4f of U-shape structure on pushing block body 4b bottom surface, and by spring 4c lower end
Cross spring retainer chuck 4g to be installed on spring mounting seat 4f, it is monolithic construction that can so make this slide block mechanism, is not in
The problem of falling apart.
Above-mentioned spring retainer chuck 4g includes spring Access Division 4g1, spring supporting portion 4g2 and installs snapin part 4g3, described
Spring Access Division 4g1 lower end is connected with the upper end of the spring supporting portion 4g2, the lower end of the spring supporting portion 4g2 and institute
The upper end for stating installation snapin part 4g3 is connected, the spring Access Division 4g1, the spring supporting portion 4g2 and the installation snapin part
4g3 is cylindrical structure, and the external diameter of the spring Access Division 4g1 is engaged with the internal diameter of the spring 4c, the spring 4c's
External diameter is less than the external diameter of the spring supporting portion 4g2, and the external diameter of the spring supporting portion 4g2 is more than the diameter of the through hole 4f1,
The diameter of the through hole 4f1 is engaged with the external diameter of the installation snapin part 4g3, and the installation snapin part 4g3 is installed on described
In through hole 4f1, the lower end of the spring 4c is installed on the spring Access Division 4g1.
The position that above-mentioned spring supporting portion 4g2 lower end is connected with the upper end of the installation snapin part 4g3 is provided with escape
4g4.On the one hand the escape 4g4 added facilitates spring retainer chuck 4g processing, on the other hand can ensure that spring supporting portion
4g2 is smooth to be stuck on spring mounting seat 4f bottom.The lower end of the installation snapin part 4g3 is provided with conical surface 4g5.The cone added
Face 4g5 facilitates spring retainer chuck 4g installation.
Above-mentioned cylindrical section 4e2 diameter is identical with the diameter of the through hole 4f1.By by cylindrical section 4e2 diameter design
Into identical with through hole 4f1 diameter, through hole 4f1 and installation through-hole 4e so can be once processed successively from bottom to up, so as to carry
The high production efficiency of this slide block mechanism.
Space D between above-mentioned first boss 5a two radial direction boss side surfaces 5a1 is less than the circle of the pushing block mounting groove 1a
The raised head face 5a2 and the pushing block body 4b of circumferential direction width H, the first boss 5a towards the tooth hub 1 offset.Pass through
The raised head face 5a2 of first boss 5a towards tooth hub 1 is designed to offset with pushing block body 4b, and so, first boss 5a can not only
Play a part of clamping, and spacing pushing block body 4b can also be played a part of.
The present embodiment makes two synchronous rings 5 be compressed all the time to the direction of tooth hub 1 by the extension spring 6 added, so, synchronous ring 5
Axial float would not occur, so as to avoid the synchronous ring 5 for side of not put into gear caused by the axial float of synchronous ring 5 with
Bore hub 2 and produce moment of friction, so as to reduce the overall trailing moment of gearbox, improve the transmission efficiency of gearbox, and
Also improve synchronous ring 5 and bore the service life of hub 2；After synchronous ring 5 is worn with cone hub 2 using a period of time, due to
The elastic force of extension spring 6, extension spring 6 can be shortened automatically, so as to continue to compress two synchronous rings 5 to the direction of tooth hub 1, and then further
Service life is improved, and as axial float occurs come limits synchronization ring 5 using the part that will not shorten automatically, then when synchronous ring
After 5 are worn with cone hub 2 using a period of time, axial float can still occur for synchronous ring 5；By first adding second boss 5b,
Notch 5b1 and extension spring hole 5b2 are opened up on second boss 5b again, can so improve the intensity of synchronous ring 5, so as to further
Improve service life；By corresponding to extension spring hole 5b2 Position Design deep gouge 5c on synchronous ring 5, extension spring 6 is so avoided that
Spring hook 6b leaks outside, and can prevent extension spring 6 from being interfered with other parts；By the way that installation through-hole 4e is designed to by frustum section 4e1 and
The segmentation structure that cylindrical section 4e2 is spliced, and by the diameter design of frustum section 4e1 upper port into straight less than steel ball 4d
Footpath, so, steel ball 4d will not deviate from out of installation through-hole 4e；By the bullet that U-shape structure is added on pushing block body 4b bottom surface
Spring mounting seat 4f, and spring 4c lower end is installed on spring mounting seat 4f by spring retainer chuck 4g, it can so make this
Slide block mechanism is monolithic construction, is not in the problem of falling apart；On the one hand the escape 4g4 added facilitates spring retainer card
Platform 4g processing, it on the other hand can ensure that spring supporting portion 4g2 is smooth and be stuck on spring mounting seat 4f bottom；The cone added
Face 4g5 facilitates spring retainer chuck 4g installation；By by cylindrical section 4e2 diameter design into the diameter phase with through hole 4f1
Together, through hole 4f1 and installation through-hole 4e so can once be processed successively from bottom to up, so as to improve the production of this slide block mechanism
Efficiency；It is designed to offset with pushing block body 4b by the raised head face 5a2 of first boss 5a towards tooth hub 1, so, first boss
5a can not only play a part of clamping, and can also play a part of spacing pushing block body 4b.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of synchronizer assembly, including tooth hub (1), the both sides of the tooth hub (1) are respectively disposed with a cone hub (2), described
Sliding gear collar (3) is set with the flank of tooth of tooth hub (1), pushing block mounting groove (1a), institute are further opened with the flank of tooth of the tooth hub (1)
Pushing block mounting groove (1a) is stated to be provided with and the sliding gear collar built with pushing block component (4), the outer surface of the pushing block component (4)
(3) the pushing block engaging tooth (4a) that inner surface is engaged, the pushing block component (4) pass through the pushing block engaging tooth (4a) and the cunning
Moving teeth set (3) is engaged, and a synchronous ring (5) is respectively equipped between the pushing block component (4) and two cone hubs (2), described
The position that the pushing block mounting groove (1a) is corresponded on synchronous ring (5) is provided with first boss (5a), and the first boss (5a) clamps
In the pushing block mounting groove (1a), it is characterised in that be along the circumferential direction at least additionally provided with two second on the synchronous ring (5)
Boss (5b), the second boss (5b) are provided with spring body (6a) end for being used to accommodate extension spring (6) towards one end of the tooth hub (1)
The notch (5b1) of head, the other end of the second boss (5b) are provided with the extension spring for the spring hook (6b) for being used to mount the extension spring (6)
Hole (5b2), the position that the second boss (5b) is corresponded on the flank of tooth of the tooth hub (1) are provided with and are used to accommodate the spring body (6a)
The first groove (1b), the position that the second boss (5b) is corresponded on the inner surface of the sliding gear collar (3) is provided with and is used to hold
Receive the second groove (3a) of the extension spring (6), the spring body (6a) of the extension spring (6) is arranged on by first groove (1b), institute
State in the cavity that the second groove (3a) and the notch (5b1) are formed, the spring hook (6b) of described extension spring (6) one end is articulated in one
In extension spring hole (5b2) on the individual synchronous ring (5), the spring hook (6b) of extension spring (6) other end is articulated in described in another
On synchronous ring (5) in corresponding extension spring hole (5b2), the extension spring (6) makes two synchronous rings (5) to the tooth hub (1)
Direction compresses.
A kind of 2. synchronizer assembly as claimed in claim 1, it is characterised in that the second boss (5b) and described first convex
Platform (5a) dislocation arrangement.
A kind of 3. synchronizer assembly as claimed in claim 1, it is characterised in that the quantity of the second boss (5b) with it is described
The quantity of first boss (5a) is identical, the second boss (5b) and circle of the first boss (5a) along the synchronous ring (5)
Circumferential direction is alternately arranged.
4. a kind of synchronizer assembly as claimed in claim 1, it is characterised in that correspond to the extension spring on the synchronous ring (5)
The position in hole (5b2) is provided with deep gouge (5c).
5. a kind of synchronizer assembly as claimed in claim 1, it is characterised in that the pushing block component (4) is included on outer surface
Pushing block body (4b), spring (4c) and steel ball (4d) with pushing block engaging tooth (4a), it is characterised in that the pushing block body (4b)
Position between the upper pushing block engaging tooth (4a) of correspondence two is radially offered for installing the steel ball (4d) and described
The installation through-hole (4e) of spring (4c), the installation through-hole (4e) include frustum section (4e1) and cylindrical section (4e2), the cylinder
The lower port of section (4e2) is located on the bottom surface of the pushing block body (4b), upper port and the frustum of the cylindrical section (4e2)
The lower port connection of section (4e1), the upper port of the frustum section (4e1), which is located on pushing block body (4b) top surface, corresponds to two
Position between the pushing block engaging tooth (4a), the diameter of the upper port of the frustum section (4e1) are less than the frustum section (4e1)
Lower port diameter, the diameter of the lower port of the frustum section (4e1) is identical with the diameter of the cylindrical section (4e2), described
The diameter of cylindrical section (4e2) is more than the diameter of the steel ball (4d), and the diameter of the steel ball (4d) is more than the frustum section (4e1)
Upper port diameter；The bottom surface of the pushing block body (4b) is provided with the spring mounting seat (4f) with the installation spring (4c),
The spring mounting seat (4f) is U-shape structure, and the top of the U-shape structure and the bottom surface of the pushing block body (4b) are linked to be one
Body, the position that the bottom of the U-shape structure corresponds to the installation through-hole (4e) are provided with through hole (4f1), blocked in the through hole (4f1)
Equipped with the spring retainer chuck (4g) for installing the spring (4c), the steel ball (4d) is pressed in the upper end of the spring (4c)
In the installation through-hole (4e), the lower end of the spring (4c) is installed on the spring retainer chuck (4g).
6. a kind of synchronizer assembly as claimed in claim 5, it is characterised in that the spring retainer chuck (4g) includes spring
Access Division (4g1), spring supporting portion (4g2) and installation snapin part (4g3), the lower end of the spring Access Division (4g1) with it is described
The upper end in spring supporting portion (4g2) is connected, and the lower end of the spring supporting portion (4g2) is upper with installation snapin part (4g3)
End is connected, and the spring Access Division (4g1), the spring supporting portion (4g2) and installation snapin part (4g3) are cylinder knot
Structure, the external diameter of the spring Access Division (4g1) are engaged with the internal diameter of the spring (4c), and the external diameter of the spring (4c) is less than
The external diameter of the spring supporting portion (4g2), the external diameter of the spring supporting portion (4g2) are more than the diameter of the through hole (4f1), institute
The diameter for stating through hole (4f1) is engaged with the external diameter of installation snapin part (4g3), and installation snapin part (4g3) is installed on
In the through hole (4f1), the lower end of the spring (4c) is installed on the spring Access Division (4g1).
A kind of 7. synchronizer assembly as claimed in claim 6, it is characterised in that the lower end of the spring supporting portion (4g2) with
The position that the upper end of installation snapin part (4g3) is connected is provided with escape (4g4).
8. a kind of synchronizer assembly as claimed in claim 6, it is characterised in that the lower end of installation snapin part (4g3) is set
There is the conical surface (4g5).
A kind of 9. synchronizer assembly as claimed in claim 5, it is characterised in that the diameter of the cylindrical section (4e2) with it is described
The diameter of through hole (4f1) is identical.
A kind of 10. synchronizer assembly as claimed in claim 5, it is characterised in that two radial convexes of the first boss (5a)
Space D between platform side (5a1) is less than the circumferential width H of the pushing block mounting groove (1a), the first boss (5a)
Offseted towards the raised head face (5a2) of the tooth hub (1) with the pushing block body (4b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790858.6A CN107630945B (en) | 2017-09-05 | 2017-09-05 | Synchronizer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790858.6A CN107630945B (en) | 2017-09-05 | 2017-09-05 | Synchronizer assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630945A true CN107630945A (en) | 2018-01-26 |
| CN107630945B CN107630945B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790858.6A Active CN107630945B (en) | 2017-09-05 | 2017-09-05 | Synchronizer assembly |
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| CN (1) | CN107630945B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108194531A (en) * | 2018-02-11 | 2018-06-22 | 十堰同创传动技术有限公司 | Buckle-type synchronizer composite slider |
| CN108253036A (en) * | 2018-02-11 | 2018-07-06 | 十堰同创传动技术有限公司 | Jack catchs type synchronizer composite slider |
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| CN108194531A (en) * | 2018-02-11 | 2018-06-22 | 十堰同创传动技术有限公司 | Buckle-type synchronizer composite slider |
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| CN108253036B (en) * | 2018-02-11 | 2023-06-16 | 十堰同创传动技术有限公司 | Jaw synchronizer combined sliding block |
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|---|---|
| CN107630945B (en) | 2023-06-16 |
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