CN209557528U - Speed changer and vehicle - Google Patents
Speed changer and vehicle Download PDFInfo
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- CN209557528U CN209557528U CN201821920667.3U CN201821920667U CN209557528U CN 209557528 U CN209557528 U CN 209557528U CN 201821920667 U CN201821920667 U CN 201821920667U CN 209557528 U CN209557528 U CN 209557528U
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- cone
- synchronous ring
- speed changer
- conical surface
- synchronous
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Abstract
The utility model relates to automotive transmission technical fields, provide a kind of speed changer and vehicle, the speed changer includes: synchronous ring and cone, the detachable connection of inner conical surface of the male cone (strobilus masculinus) of the cone and the synchronous ring, the tilt angle of the male cone (strobilus masculinus) of the cone is 6~8 °, and the inner conical surface tilt angle of the synchronous ring is 6~8 °.Synchronous ring and cone give gearbox shifting synchronous synchronization capacity to greatest extent in the case where guaranteeing that the two faying face prevents self-locking；Synchronous ring capacity is effectively improved in the case where not increasing the tilt angle of inner conical surface of synchronous ring radius or synchronous ring, so that structure is simpler, compact.
Description
Technical field
The utility model relates to automotive transmission technical fields, more particularly to a kind of speed changer and vehicle.
Background technique
With growing, the continuous improvement of automobile dynamic quality of automobile sales volume, the shift performance of automotive transmission is opened
Begin more and more attention has been paid to.
The design of existing synchronous ring not only needs to be thought of as system and provides enough moment of frictions and it is necessary to consider same
After step device completion synchronizes, synchronous annular conical surface must be prevented from it is self-locking, so that synchronizer is into gear.In gearbox bulk, structure
It in the case where constant, is taken into account to the two, it is necessary to synchronous ring angle of friction is adjusted to reasonable range, be greater than synchronous ring certainly
Under the precondition of the locking angle, friction cone angle as small as possible is selected, biggish synchronous capacity could be obtained.
So that the limitation of design is very big, and for boring synchronous ring, conical surface quantity is more, if cone match more
Bad to easily lead to synchronous annular conical surface locking, this design method can not prevent the risk of synchronous annular conical surface locking completely, lead
The problem of causing vehicle shift clamping stagnation is commonplace.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of speed changer and vehicles, it is intended at least the solution prior art or the relevant technologies
Present in one of technical problem.
(2) technical solution
In order to solve the above-mentioned technical problem, in a first aspect, the utility model provides a kind of speed changer, comprising: synchronous ring with
And cone, the detachable connection of inner conical surface of the male cone (strobilus masculinus) of the cone and the synchronous ring, the male cone (strobilus masculinus) of the cone incline
Rake angle is 6~8 °, and the inner conical surface tilt angle of the synchronous ring is 6~8 °.
Wherein, the tilt angle of the male cone (strobilus masculinus) of the cone is 7 °, and the inner conical surface tilt angle of the synchronous ring is 7 °.
Wherein, uniformly distributed multiple locating convex blocks on the external cylindrical surface of the synchronous ring；In the locating convex block adjacent each other
Between, and the periphery of the synchronous ring is provided with tooth form spline.
Wherein, multiple grooves are offered on the end face of the synchronous ring, multiple grooves are evenly distributed in the circumferential direction
On the end face of the synchronous ring.
Wherein, the bottom surface of the groove is flushed with the locating convex block side conical surface, and the bottom surface of the groove with it is described
The locating convex block side conical surface abuts against.
Wherein, the longitudinal section of the locating convex block is overlapped with the longitudinal section of the groove.
Wherein, the center of the cone offers taper hole, is provided with external splines on the periphery of the cone.
Wherein, step-like annular groove is provided on the end face of the cone.
Wherein, the male cone (strobilus masculinus) of the cone is provided with sprayed molybdenum layer with the inner conical surface of the synchronous ring.
Second aspect, the utility model provide a kind of vehicle, including speed changer described above.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
A kind of speed changer provided by the utility model, when shift, the male cone (strobilus masculinus) of cone is constituted with the inner cylinder face of synchronous ring
The tilt angle of the male cone (strobilus masculinus) of cone is set as 6~8 ° by cone of friction, and the tilt angle of the inner conical surface of synchronous ring is set as 6
~8 °, the two can not only be prevented self-locking, and can give gearbox shifting synchronous synchronization capacity to greatest extent；Do not increasing
Add and effectively improve synchronous ring capacity under synchronous ring radius or synchronous annular conical surface angle case, so that the speed changer structure is simpler
It is single, compact.
A kind of vehicle provided by the utility model, the quality of vehicle shift is improved by installing the speed changer.
Detailed description of the invention
Fig. 1 is the top view of synchronous ring and cone assembly in a kind of speed changer of the utility model embodiment；
Fig. 2 is the side view of synchronous ring and cone assembly in a kind of speed changer of the utility model embodiment；
Fig. 3 is the structural schematic diagram of cone in a kind of speed changer of the utility model embodiment；
Fig. 4 is the structural schematic diagram of synchronous ring and cone assembly in a kind of speed changer of the utility model embodiment；
In figure: 1- cone；2- synchronizes ring.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Synchronizer assembly is the critical component of automotive transmission, and synchronous ring is the important component of synchronizer assembly, is become
By interrupting synchronization ring and the rubbing surface phase mutual friction of cone under revolving speed torque when fast device is shifted gears, so that synchronizer and cone
Relative rotation speed tends to be identical, and synchronizer clutch collar internal tooth passes through the external tooth of synchronous ring and cone at this moment, realizes shift, realizes and turns
The transmitting of speed and torque avoids and completes the impact that engagement is eaten and generated in different rotating speeds, improves the quality of shift.
As depicted in figs. 1 and 2, speed changer provided in this embodiment includes: synchronous ring 2 and cone 1, the outer cone of cone 1
The detachable connection of inner conical surface in face and synchronous ring 2, the tilt angle of the male cone (strobilus masculinus) of cone 1 are 6~8 °, the inner cone of synchronous ring 2
The tilt angle in face is 6~8 °.
In the present embodiment, when combined cover carries out mobile block selecting, shift fork drives combined cover to move toward idler gear direction,
Combined cover drives synchronous ring 2 to press with the cone 1 of idle running, at this point, the inner conical surface of synchronous ring 2 and the male cone (strobilus masculinus) of cone 1 are constituted and tied
Conjunction face, the oil film of faying face can be destroyed by synchronizing the helicla flute on the inner conical surface of ring 2, to increase increase frictional force between the two；
Since there are rotational speed differences between the inner conical surface of synchronous ring 2 and the male cone (strobilus masculinus) of cone 1, so there are moment of frictions, so
Synchronizer stress is deflected with respect to combined cover, and synchro converter ring and combined cover side set, the two cannot combine；
The responsive to axial force that driver applies is on the end face of synchronous ring 2, so that the inner conical surface of synchronous ring 2 and cone 1
Frictional force is established between male cone (strobilus masculinus), until the inner conical surface of synchronous ring 2 is identical as revolving speed between the male cone (strobilus masculinus) of cone 1, moment of friction disappears,
Synchro converter ring slides into combined cover to tooth at this time, and then gear face engaging tooth also slides into combined cover to tooth, completes to put into gear, so
Synchronizer realizes revolving speed by cone friction and synchronizes, and then realizes Phase synchronization by the wedge angle of engaging tooth.
In the present embodiment, when shift, the male cone (strobilus masculinus) of cone constitutes cone of friction with the inner conical surface of synchronous ring, cone
The tilt angle of male cone (strobilus masculinus) is set as 6~8 °, and the tilt angle of synchronous ring inner conical surface is set as 6~8 °, can not only prevent two
Person is self-locking, and can give gearbox shifting synchronous synchronization capacity to greatest extent；Do not increasing synchronous ring radius or same
Synchronous ring capacity is effectively improved under step annular conical surface angle case, so that structure is simpler, compact.
As shown in Figure 3 and Figure 4, the tilt angle of the male cone (strobilus masculinus) of cone 1 is 7 °, and the tilt angle of the inner conical surface of synchronous ring is
7°。
In the present embodiment, when shift, the male cone (strobilus masculinus) of cone constitutes cone of friction with the inner conical surface of synchronous ring, cone 1
The tilt angle of male cone (strobilus masculinus) be set as 7 °, the tilt angle of the inner conical surface of synchronous ring is 7 °, both can not only prevent it is self-locking,
And it can give gearbox shifting synchronous synchronization capacity to greatest extent；Do not increasing synchronous ring radius or synchronous annular conical surface
Synchronous ring capacity is effectively improved under angle case, so that structure is simpler, compact.
In addition, embodiment according to the present utility model, synchronizes uniformly distributed multiple locating convex blocks on the external cylindrical surface of ring 2；Mutual
Between adjacent locating convex block, and the periphery of synchronous ring is provided with tooth form spline；The center of cone 1 offers taper hole, cone
External splines is provided on the periphery of body 1.
In the present embodiment, in the external splines being arranged on the tooth form spline of periphery setting of synchronous ring 2 and the periphery of cone 1
Match, is conducive to synchronous ring 2 and cone 1 is coupled.
In addition, embodiment according to the present utility model, synchronizes and offers multiple grooves on the end face of ring, multiple grooves are along circle
Circumferential direction is evenly arranged on the end face of synchronous ring.
In the present embodiment, by the way that multiple grooves are arranged on the end face of synchronous ring 2, on the basis for not increasing number of parts
On increase friction area, simplify structure, alleviate assembly quality, improve shift efficiency.
In the present embodiment, it is illustrated by taking three locating convex blocks uniformly distributed on the external cylindrical surface in synchronous ring 2 as an example, therewith
Groove there are three being opened up on the end face of corresponding synchronous ring 2.
Wherein, the bottom surface of groove is flushed with the locating convex block side conical surface, and the bottom surface of groove and the locating convex block side conical surface
It abuts against；The longitudinal section of locating convex block is overlapped with the longitudinal section of groove.
In addition, embodiment according to the present utility model, step-like annular groove is provided on the end face of cone 1.
In the present embodiment, by the way that step-like annular groove is arranged on the end face of cone 1, in the base for not increasing number of parts
Friction area is increased on plinth, simplifies structure, alleviates assembly quality, improves shift efficiency.
In addition, embodiment according to the present utility model, the male cone (strobilus masculinus) of cone 1 is provided with spray with the inner conical surface of synchronous ring 2
Molybdenum layer.
In the present embodiment, the male cone (strobilus masculinus) of cone 1 passes through setting sprayed molybdenum layer with the inner conical surface of synchronous ring 2, so that cone
Body 1 and synchronous ring 2 are wear-resisting, are not easy to skid, long service life.
The utility model embodiment also provides a kind of vehicle, including speed changer described above.
It is understood that the vehicle, when putting into gear, when combined cover carries out mobile block selecting, shift fork drives combined cover toward sky
The movement of rotating disk direction, combined cover drive synchronous ring 2 to press with the cone 1 of idle running, at this point, the inner conical surface and cone 1 of synchronous ring 2
Male cone (strobilus masculinus) constitute faying face, the helicla flute on the inner conical surface of synchronous ring 2 can destroy the oil film of faying face, to increase between the two
Increase frictional force；
Since there are rotational speed differences between the inner conical surface of synchronous ring 2 and the male cone (strobilus masculinus) of cone 1, so there are moment of frictions, so
Synchronizer stress is deflected with respect to combined cover, and synchro converter ring and combined cover side set, the two cannot combine；
The responsive to axial force that driver applies is on the end face of synchronous ring 2, so that the inner conical surface of synchronous ring 2 and cone 1
Frictional force is established between male cone (strobilus masculinus), until the inner conical surface of synchronous ring 2 is identical as revolving speed between the male cone (strobilus masculinus) of cone 1, moment of friction disappears,
Synchro converter ring slides into combined cover to tooth at this time, and then gear face engaging tooth also slides into combined cover to tooth, completes to put into gear, so
Synchronizer realizes revolving speed by cone friction and synchronizes, and then realizes Phase synchronization by the wedge angle of engaging tooth.
In the present embodiment, for the vehicle in shift, the male cone (strobilus masculinus) of cone constitutes cone of friction with the inner conical surface of synchronous ring,
The tilt angle of the male cone (strobilus masculinus) of cone is set as 6~8 °, the tilt angle of the inner conical surface of synchronous ring is set as 6~8 °, not only
The two can be prevented self-locking, and can give gearbox shifting synchronous synchronization capacity to greatest extent；Do not increasing synchronous ring
Synchronous ring capacity is effectively improved under radius or synchronous annular conical surface angle case, so that the structure of the speed changer is simpler, tight
It gathers, improves the shift quality of vehicle.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of speed changer characterized by comprising synchronous ring and cone, the male cone (strobilus masculinus) of the cone and the synchronous ring
The detachable connection of inner conical surface, the tilt angle of the male cone (strobilus masculinus) of the cone is 6~8 °, and the inner conical surface of the synchronous ring tilts
Angle is 6~8 °.
2. speed changer as described in claim 1, which is characterized in that the tilt angle of the male cone (strobilus masculinus) of the cone is 7 °, described
The inner conical surface tilt angle of synchronous ring is 7 °.
3. speed changer as described in claim 1, which is characterized in that uniformly distributed multiple convexes on the external cylindrical surface of the synchronous ring
Block；Tooth form spline is provided between the locating convex block adjacent each other, and in the periphery of the synchronous ring.
4. speed changer as claimed in claim 3, which is characterized in that multiple grooves are offered on the end face of the synchronous ring, it is more
A groove is evenly distributed in the circumferential direction on the end face of the synchronous ring.
5. speed changer as claimed in claim 4, which is characterized in that the bottom surface of the groove and the locating convex block side conical surface
It flushes, and the bottom surface of the groove is abutted against with the locating convex block side conical surface.
6. speed changer as claimed in claim 5, which is characterized in that the longitudinal section of the locating convex block and the vertical of the groove cut
Face is overlapped.
7. speed changer as described in claim 1, which is characterized in that the center of the cone offers taper hole, the cone
External splines is provided on periphery.
8. speed changer as claimed in claim 6, which is characterized in that be provided with step-like annular groove on the end face of the cone.
9. speed changer as claimed in any one of claims 1 to 8, which is characterized in that the male cone (strobilus masculinus) of the cone with it is described synchronous
The inner conical surface of ring is provided with sprayed molybdenum layer.
10. a kind of vehicle, which is characterized in that including speed changer as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920667.3U CN209557528U (en) | 2018-11-21 | 2018-11-21 | Speed changer and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920667.3U CN209557528U (en) | 2018-11-21 | 2018-11-21 | Speed changer and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557528U true CN209557528U (en) | 2019-10-29 |
Family
ID=68301035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821920667.3U Active CN209557528U (en) | 2018-11-21 | 2018-11-21 | Speed changer and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557528U (en) |
-
2018
- 2018-11-21 CN CN201821920667.3U patent/CN209557528U/en active Active
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