CN208749857U - Driver, transmission device and the component with driver, transmission shaft and transmission gear - Google Patents

Abstract

The driver that the utility model relates to a kind of to be fixedly connected for generating rotation between transmission shaft (10) and the transmission gear being rotatably mounted on the transmission shaft (10) (12,14), it include drive plate (20) and with drive plate (20) associated clutch teeth (24), it is characterized in that, the drive plate (20) is equipped with driving cog (25) in its radially outer and is equipped with ancon turn of bilge (84) in its inner radial, and the ancon turn of bilge is suitable for being rotationally coupled to the transmission shaft (10).The utility model is further to a kind of with transmission shaft, at least one transmission gear (12 being rotatably mounted on the transmission shaft, and the component of this driver and the transmission device with this component 14), wherein transmission device includes equipped with the shell (82) for preventing tooth (80), and driving cog (25) can be engaged with tooth (80) are prevented.

Description

Driver, transmission device and the component with driver, transmission shaft and transmission gear

Technical field

The driver that the utility model relates to a kind of for being especially the manual drive of motor vehicles has transmission The component and transmission device of device, transmission shaft and transmission gear.

Background technique

In manual drive, because they are especially used in the motor vehicle, Synchronization Component is used to generate It is fixedly connected in transmission shaft and transmission gear or the rotation being arranged between gear of the transmission shaft as idle pulley.In gear shift operation In first step, which ensures that the speed for the transmission gear to be shifted is suitable for the speed of transmission shaft.In second step In, the rotation then generated between transmission shaft and transmission gear is fixedly connected.Then corresponding gear is engaged.

Known Synchronization Component as basic module include synchronizer hub, be contained in projectile therein, synchronizer ring and Selector sleeve.After the actuating of selector sleeve, one in the synchronizer ring oblique via projectile and/or via obstruction Face is depressed against friction surface, it is associated with the transmission gear to be shifted.When the speed and transmission shaft of transmission gear When speed sync, selector sleeve can be by being shifted, so that it is joined to and the associated tooth of transmission gear completely.With this Kind mode, rotation, which is fixedly connected from synchronizer hub, is projected into transmission gear.

It is also known that the Synchronization Component of substitution synchronizer hub also uses so-called driver, in general it is combined together Walk the function of device hub, projectile and selector sleeve.The basic structure of transmission device with this Synchronization Component will be below It is explained with reference to Fig. 1-Fig. 8.

Transmission device includes transmission shaft 10, arranges two transmission gears 12,14 on it.Two transmission gears 12,14 quilts It is designed as idler gear, it can rotate relative to transmission shaft.Toothed drive gear 16 is non-rotatably to be associated in each transmission Gear 12,14.It is identical as the internal tooth being provided as on individual component 17, securely with corresponding transmission gear 12,14 are connected.

Driver 18 is arranged between two transmission gears 12,14, herein by drive plate 20 and two clutch disks 22 form.The two clutch disks 22 are disposed on 20 side of drive plate and the other side, and including clutch disk external tooth 24 And clutch disk internal tooth 26.External tooth 24 is designed to and internal tooth 26 complementary with toothed drive gear 16 and connects with transmission shaft tooth 28 It closes.Therefore, clutch disk 22 un-rotatably couples with transmission shaft 10 in circumferential direction, but can be axially displaced on transmission shaft.

Each of synchronizer ring 30 is disposed on the side and the other side of drive plate 20, can with corresponding transmission Gear 12,14 associated friction surfaces 32 are cooperated.Two synchronizer rings include: that (it is in drive plate 20 for multiple load-bearing parts 34 Recess portion 36 in extend) and the opposite connection bump 38 of two diameters (its connection opening 40 passed through in drive plate 20 extends) (referring specifically to Fig. 3).Connection tab 38 is coupled to each other two synchronous rings for axial.Under join condition (referring to fig. 4), two The free end of the load-bearing part 34 of synchronous ring 30 is close to facing with each other.

Projectile 42 (referring specifically to Figures 5 and 6) are arranged in each recess 36, each of which all passes through spring 44 in radial direction Direction is pulled to outside.Presynchronization surface 46 is formed at the radial outer end of each projectile, is resisted against on radially inner side The presynchronization inclined-plane 48 that the free end of load-bearing part 34 is formed (referring to Fig. 7).48 quilt of presynchronization inclined-plane of opposite load-bearing part 34 Alignment, so that the V with big opening angle is formed, front end is radially directed towards outside.

Blocking surface 50 is formed at load-bearing part 34, such as at the edge for the groove 36 for circumferentially seeing opposite tilt alignment.Here Equally, blocking surface 50 forms V at opposite load-bearing part 34, wherein the front end of two V of opposite load-bearing part is towards recess portion 36 Center.

Described Synchronization Component operates in the following manner: when gear is engaged, such as it includes when transmission gear 14, Driver 18 is axially displaced on transmission shaft 10 by means of selector fork (not shown) in the direction arrow P of Fig. 1.In first step In, this is referred to as presynchronization, left presynchronization of two synchronous rings 30 by thrust piece 42, more precisely by engaging left synchronizer ring 30 The presynchronization surface 46 of the projectile 42 on inclined-plane 48 is transported to left side, so that synchronizer ring 30 connects with the friction of friction surface 32 It closes.

The speed of transmission shaft 10 does not correspond to the speed of transmission gear usually, so that in synchronizer ring 30 and friction surface 32 Between there are speed differences.This causes circumferentially to carry synchronous ring (see the arrow U in Fig. 8), as a result, stop surface 50 and recess portion 36 Top edge contact, as shown in Figure 8.Due to the tilt alignment of stop surface 50, there are generated force component, prevent from being driven Displacement of the disk 20 relative to load-bearing part 34；As long as speed difference exists, generated moment of friction causes stop surface 50 to keep The fact that press against the edge of groove 36.Synchronizer ring is supported on friction surface 32 and cannot shift axially further.

The barrier force only applied when speed difference reduces by stop surface 50 reduces, thus due to the direction arrow U The tilt alignment of stop surface 50 in opposite circumferential direction, this provides the displacement by driver, causes to make the recessed of drive plate 20 Stop surface 50 can be shifted in the edge in portion 36.Meanwhile projectile 42 by be obliquely attached presynchronization inclined-plane 48 downwards compression against The effect of spring 44.To which driver axially displaced can arrive such degree, i.e. the external tooth 24 of clutch 22 is joined to and passes The associated toothed drive gear 16 of moving gear 14.In this way, between the transmission shaft 10 that engaged and transmission gear 14 Rotation, which is fixedly connected, to be generated.

With illustrated embodiment on the contrary, for example, when the obstruction chamfering definitely defined in length and angle exists only in one It is when component and enough.Complementary chamfering at opposite component such as driver is convenient for and obstruction chamfering comprehensive engagement.? In principle, such as one of two chambers also may be omitted or be designed to protuberance.

In order to discharge shift, driver 18 is shifted in the opposite direction returns to its neutral gear, thus two synchronizer rings 30 are also once again set up and return to neutral gear.In this position, the frictional engagement with friction surface 32 is eliminated.

Utility model content

The purpose of this utility model is the effect for developing known Synchronization Component to obtain more compact structure.

For the solution of the purpose, one kind is provided according to the utility model and is used in transmission shaft and is rotatably mounted to The driver that is fixedly connected of rotation is generated between transmission gear on the transmission shaft comprising drive plate and be associated with drive plate Clutch teeth, clutch disk includes clutch disk external teeth, be characterized in that, drive plate its radially outer be equipped with driving cog simultaneously And it is equipped with ancon turn of bilge in its inner radial, which is suitable for being rotationally coupled to the transmission shaft.Inner radial is limit The edge of the disk of the central interior opening of disk processed.The utility model is based on following principle, directly forms on drive plate previously One in the tooth being arranged on clutch disk.Thus, driving cog is located at outside synchronizer ring, this provides shorter in axial direction Mounting distance.It preferably is equipped with the ancon turn of bilge of drive plate internal tooth in its inner circumferential by the setting in the inside of endless drive disk, Drive plate can be rotationally coupled to transmission shaft, that is, the transmission shaft tooth being engaged on the periphery of transmission shaft.Due to the ancon Turn of bilge, drive plate internal tooth can include quite long tooth.Therefore, big power and torque be can be transmitted.

In the preferred embodiment, the tooth of drive plate internal tooth is longer than the thickness of drive plate significantly.

One aspect according to the present utility model provides driving cog and is arranged on the periphery of drive plate.Because as axial Finding, driving cog are overlapped with drive plate, so this leads to the most short structure of axial possibility.

It may further provide for, two synchronizer rings are mounted on drive plate.The attachment and drive plate of synchronizer ring Necessary design remain unchanged, this leads to have the effect of small structure compared with the previously known structure of driver.

Preferably, it provides actuating element and is axially coupled to drive plate.Actuating element is used for axially displaced drive plate, without The periphery of necessary couple drive disk, it is such as so far necessary.

According on one side, provide clutch teeth setting on the associated clutch disk of drive plate.This is used to form As the drive plate particularly as printing piece metal parts of flat component, because clutch teeth is arranged on individual component.

Preferably, it provides clutch disk and is arranged in the front side of drive plate and with drive disk axles to connection.It is not necessarily to It is that clutch disk is non-rotatably connected to drive plate and to be transmitted in transmission shaft and engagement via clutch disk and drive plate Torque between transmission gear；It is adequately to connect clutch disk so that clutch disk follows drive disk axles to shifting with drive plate It is dynamic.Torque can be directly transferred to transmission shaft from clutch teeth, because clutch disk is equipped with tooth, couple drive inside it The assist tooth of axis.

By means of with transmission shaft, at least one transmission gear being rotatably mounted on the transmission shaft and as described above The component of driver above-mentioned purpose is equally completed according to the utility model component, wherein transmission gear is equipped with toothed drive gear, Driving cog can be with transmission gear indented joint.With driver according to the present utility model, two transmission gears may further be with Gear shaft connection, wherein torque is transmitted to one of transmission gear from transmission shaft via clutch disk and is transmitted to via drive plate Another transmission gear.This is closer to each other for transmission gear to be axially arranged to.In this component, in ancon turn of bilge Drive plate internal tooth on week and the transmission shaft tooth engagement being arranged on the periphery of transmission shaft, thus rotatably joint transmission disk and biography Moving axis.The connection is suitable for transmitting big power and torque.

One aspect according to the present utility model provides actuating element couple drive disk, advances from the drive plate The actuating element it is axially extending.The actuating element empties the installation space around driving cog, so that for drive plate Actuating must not allow installation space.

Actuating element can be extended around transmission shaft in a manner of sleeve.This leads to the effect of small structure.

Alternatively, actuating element can be provided to be arranged in transmission shaft.This is used for when being difficult to axially access external, example As because activating driver when it is arranged between several pairs of transmission gears.

Preferably, it provides actuating element and drive plate is connected to by the opening in transmission shaft.For this purpose, small window Be it is enough, do not weakened substantially by its transmission shaft.

One aspect according to the present utility model provides transmission gear equipped with toothed drive gear, and the driving cog can With the transmission gear indented joint.This causes the torque from drive plate to be transferred directly to corresponding transmission gear.

Toothed drive gear can be designed to integrally formed with transmission gear.To avoid the component cost of separate part.

Alternatively, toothed drive gear can be provided to be arranged in the inner circumferential of transmission gear tooth form washer, the driving cog Form of gear tooth washer is non-rotatably connected to the transmission gear.This is for generating for example by printing with low cost in monolithic gold Belong to the toothed drive gear manufactured on component, is then connected to transmission gear (possibly after cure operations).

According to transmission gear on one side, is provided equipped with friction surface, the friction surface can be assisted with synchronizer ring Make.This for maintaining previously known structure as much as possible, so that only the modification of pettiness is required.

Preferably, friction surface is set up directly on transmission gear.Which reduce must number of components together.

Friction surface can be directed radially inward outside.Friction surface can equally be provided and be directed radially inward inside.This can It is optimally selected with depending on respective critical condition.

One aspect according to the present utility model provides friction surface and is radially disposed in toothed drive gear.This leads Cause axial cramped construction.

Above-mentioned purpose is equally completed according to the utility model by means of the transmission device with component as described above, wherein The transmission device includes equipped with the shell for preventing tooth, and driving cog can be with the prevention indented joint.In this aspect, drive plate is used It is fixedly connected in the rotation generated between transmission shaft and the shell of transmission device, so that transmission device is hindered in such as parking position Gear.For the function of stopping brake, other than in for synchronous embodiment, make in the engagement of the shell with transmission device Drive plate side synchronizer ring is not required.

Detailed description of the invention

The utility model will be described below with reference to the various embodiments being shown in the accompanying drawings, in which:

Fig. 1 is the sectional view shown according to Synchronization Component known in the art；

Fig. 2 is to show the exploded view of the Synchronization Component of Fig. 1；

Fig. 3 is to show the perspective view of the driver with synchronizer ring mounted thereto；

Fig. 4 is to show the perspective view of the synchronizer ring of Fig. 3；

Fig. 5 is to show the perspective view of the driver of Fig. 3；

Fig. 6 shows the section of the plane VI-VI along Fig. 1；

Fig. 7 shows the section of the plane VII along Fig. 6；

Fig. 8 shows the section of the plane VIII along Fig. 6；

Fig. 9 is to show the sectional view of a part of transmission device of first embodiment according to the present utility model；And

Figure 10 is to show a part of corresponding schematic diagram with Fig. 9 of the second embodiment of the utility model.

Specific embodiment

With reference to Fig. 9, the first embodiment of driver according to the present utility model will now be described.For from Fig. 1 to Fig. 8 Known component makes above-mentioned explanation to reference using identical appended drawing reference, and so far.

Essential difference between component known in component as shown in Figure 9 and from Fig. 1 to Fig. 8 be via have from The clutch disk of clutch disk tooth do not influence but the driving cog 25 by being formed on drive plate 20 influence drive plate 20 with And the torque transmission between one of transmission gear (transmission gear 12 here).

Here driving cog 25 is disposed directly on drive plate 20, i.e., in the form of the tooth on the periphery in drive plate.

Drive plate 20 with driving cog 25 can be formed flat component, such as the sheet metal being printed.

The drive plate 20 used in the embodiment according to Fig. 9 and from Fig. 1 to Fig. 8 known between drive plate into one The difference of step is that in the embodiment according to Fig. 9, drive plate is equipped with drive plate internal tooth 21, is arranged on ancon turn of bilge 84.With Clutch disk internal tooth 26 is similar, non-rotatably but radially displaceable ground couple drive axis tooth 28.

The axially extending axial width for being longer than drive plate 20 significantly of ancon turn of bilge 84.Therefore, it is capable of providing drive plate Internal tooth 21, so that tooth substantially extends on the entire axial length of ancon turn of bilge 84.Compared with known drive plate 20, these Tooth is long, and therefore can be driven big power and torque.

It is equipped with toothed drive gear 60 on transmission gear 12, can be engaged with driving cog 25.Here toothed drive gear 60 It is arranged on transmission gear tooth form washer 62, such as is non-rotatably connect with transmission gear 12 by welding.

Transmission gear tooth form washer 62 can be the metal sheet parts of printing, may be at least in toothed drive gear 60 It is hardened in region.

Alternatively, equally toothed drive gear 60 can be integrally formed with transmission gear 12.

In the embodiment shown in Fig. 9, drive plate 20 is also carried there are two synchronizer ring 30,31.With shown in Fig. 1 to Fig. 8 Embodiment compare, however two synchronizer rings have different geometries.Synchronizer ring 30 conically slightly to Outside before opening up into drive plate 20 outside makes it possible to the friction surface 32 for being pushed to the cone outside being directed toward, and sets It sets on component 17.Another aspect synchronizer ring 31 axially is tapered to make it possible to far from drive plate 20 is pushed to radial direction The friction surface 33 of the inwardly directed cone in ground, is then formed on transmission gear 12.

Here friction surface 33 is formed the shoulder on transmission gear 12, i.e., integrally formed with transmission gear 12.However, In principle, it equally can be formed in the individual component on transmission gear 12, then friction surface be set on it.

Drive plate 20 is engaged by actuating element 70, by its drive plate 20 can on transmission shaft 10 it is axially displaced.Actuating Element 70 executes the function of selector fork, the outside of couple drive disk 20 in the embodiment according to Fig. 1 to Fig. 8, so as to axial direction Shift drive plate 20.

In the embodiment according to Fig. 9, actuating element 70 is designed around the form of the sleeve of transmission shaft 10.Actuating element 70 utilize 72 couple drive disk 20 of flange, which, which is arranged therein, arranges second in the embodiment according to Fig. 1 to Fig. 8 At the point of clutch disk 22.

About the operation mode during synchronization and shift, according to the embodiment of Fig. 9 and according to the embodiment of Fig. 1 to Fig. 8 It is identical.When activating drive plate 20 (see arrow S) in the direction advanced in neutral gear, two are transported together along corresponding direction Walk device ring 30,31.Synchronizer ring in direction of displacement positioned at " front " is engaged with corresponding friction surface 32,33, and same Step process starts.When the speed of transmission shaft and corresponding transmission gear 12,14 are mutually adapted, drive plate 20 can be shifted logical It crosses, so that when transmission gear 12 shifts, torque is via drive plate internal tooth 21, the drive plate being arranged on ancon turn of bilge 84 20, driving cog 25 and toothed drive gear 60 are transmitted to transmission gear 12 from transmission shaft 10, or transmission gear 14 the case where Under, torque is transmitted to component 17 from clutch disk internal tooth 26 via clutch disk 22 and clutch teeth 24 and is transmitted to from it Moving gear 14.

Exist according to the advantages of the embodiment of Fig. 9 particularly in more compact structure compared with according to the embodiment of Fig. 1 to Fig. 8 It is axially possible.It can be as shown in figure 9, the tooth of transmission gear 12 can be arranged axially very close to drive plate 20.? In the embodiment shown, the operating projecting teeth of transmission gear 12 is more than drive plate 20.Compared with according to the embodiment of Fig. 1 to Fig. 8 This is possible, because the arrangement of friction surface and toothed drive gear on transmission gear is exchanged.In toothed drive gear 60 The friction surface 33 being inside radially disposed on transmission gear 12, and toothed drive gear 60 is arranged to than friction surface 33 more Close to drive plate.

There is no imperative laterally to couple actuating element 70 in synchronizer ring 30,31.It can equally provide Synchronizer ring 30,31 radially outers on 14 side of transmission gear, adapter are arranged at drive plate 20, pass through its driving cog 25 Lateral geosyncline or circumferential edges are formed so that can engaging slide block or selector fork there.

Figure 10 shows further embodiment.For component known to the embodiment from front, identical attached drawing mark is used Note, and above-mentioned explanation so far is made to reference.

Difference between the embodiment according to Figure 10 and the embodiment according to Fig. 9 is in the embodiment according to Figure 10 Drive plate only engages a transmission gear (transmission gear 14 here).Before drive plate 20 is displaced to neutral gear as shown in Figure 10 just When face, engaged with the prevention tooth 80 being arranged on the shell 82 for wherein installing the transmission device of transmission shaft 10.

Prevent tooth 80 from being designed to integrally formed with shell 82 here.It is equally capable of providing and in the embodiment according to Fig. 9 The similar prevention tooth 80 of toothed drive gear 60, then it is installed on shell 82 on individual component.

Further difference between the embodiment according to Figure 10 and the embodiment according to Fig. 9 is according to Figure 10's Actuating element 70 is arranged in transmission shaft 10 in embodiment.It is equipped with braking plate 74, passes through 76 axis of opening in transmission shaft 10 To extending to outside and connect with drive plate 20.

In the embodiment according to Figure 10, it is radially directed towards external identical mode with the friction surface 32 on component 17, Friction surface 32 is arranged on shell 82.Thus, two synchronizer rings 30 of geometry having the same can be arranged in biography On Moving plate.

When left side when the drive plate 20 in the embodiment according to Figure 10 is displaced to the neutral gear shown in, transmission is utilized Gear 14 influences shifting function in a known way.However when drive plate 20 is displaced to right side, influence simultaneously operating slightly, this is led The speed of transmission shaft 10 is caused to be brought to zero the fact that the last drive plate 20 can be shifted through.To via transmission shaft tooth 28, drive plate internal tooth 21 on ancon turn of bilge 84, driving cog 25 are set and prevent tooth 80 in shell 82 non-rotatably Stop transmission shaft 10.

According to unshowned exploitation, the actuating element 70 arranged in transmission shaft can also be in the embodiment according to Fig. 9 It uses, wherein shifting two transmission gears using drive plate.On the contrary, the actuating of similar casing known to embodiment from Fig. 9 Element 70 can also use in the embodiment according to Figure 10, and wherein drive plate, which can engage, prevents tooth 80.

In addition, can also use in the embodiment according to Fig. 9 and be directed radially inward external friction surface 32, such as root Used in embodiment according to Figure 10.On the contrary, radial direction can be used in the side of shell 82 in the embodiment according to Figure 10 The inwardly directed friction surface 33 in ground, as known to the embodiment according to Fig. 9.

Claims (21)

1. a kind of driver, the driver is used in transmission shaft (10) and the biography being rotatably mounted on the transmission shaft (10) Between moving gear generate rotation be fixedly connected, the driver include drive plate (20) and with the drive plate (20) it is associated from Clutch tooth (24), which is characterized in that the drive plate (20) its radially outer be equipped with driving cog (25) and in its diameter it is inside Portion is equipped with ancon turn of bilge (84), and the ancon turn of bilge is suitable for being rotationally coupled to the transmission shaft (10).

2. driver according to claim 1, which is characterized in that the ancon turn of bilge (84) is equipped with drive plate in its inner circumferential Internal tooth (21), the drive plate internal tooth are suitable for engaging with the transmission shaft tooth (28) being arranged on the periphery of the transmission shaft (10).

3. driver according to claim 1, which is characterized in that the driving cog (25) is arranged in the drive plate (20) Periphery on.

4. driver according to claim 1, which is characterized in that two synchronizer rings are mounted on the drive plate (20) On.

5. driver according to claim 1, which is characterized in that the clutch teeth (24) setting with the drive plate (20) on associated clutch disk (22).

6. driver according to claim 5, which is characterized in that the clutch disk (22) is arranged in the drive plate (20) it front side and is axially connect with the drive plate (20).

7. driver according to claim 1, which is characterized in that actuating element (70) and the drive plate (20) axially join It connects.

8. a kind of with transmission shaft, at least one transmission gear being rotatably mounted on the transmission shaft and according to aforementioned power The component of driver described in any one of benefit requirement, which is characterized in that the drive plate in the inner circumferential of ancon turn of bilge (84) Internal tooth (21) is engaged with the transmission shaft tooth (28) being arranged on the periphery of the transmission shaft (10), thus rotatably connects the biography Moving plate (20) and the transmission shaft (10).

9. component according to claim 8, which is characterized in that actuating element (70) engages the drive plate (20), from institute The actuating element (70) for stating drive plate (20) traveling is axially extending.

10. component according to claim 9, which is characterized in that the actuating element (70) is arranged in a manner of sleeve Around the transmission shaft (10).

11. component according to claim 9, which is characterized in that the actuating element (70) is arranged in the transmission shaft (10) in.

12. component according to claim 11, which is characterized in that the actuating element (70) passes through the transmission shaft (10) In opening (76) couple with the drive plate (20).

13. component according to claim 8, which is characterized in that the transmission gear is equipped with toothed drive gear (60), described Driving cog (25) can be engaged with the toothed drive gear (60).

14. component according to claim 13, which is characterized in that the toothed drive gear (60) is designed to and the biography Moving gear is integrally formed.

15. component according to claim 13, which is characterized in that the toothed drive gear (60) is arranged in toothed drive gear In the inner circumferential of shape washer (62), the transmission gear tooth form washer (62) is non-rotatably connected to the transmission gear.

16. component according to claim 13, which is characterized in that the transmission gear is equipped with friction surface (33), described Friction surface (33) can cooperate with corresponding synchronizer ring.

17. component according to claim 16, which is characterized in that the friction surface (33) is set up directly on the transmission On gear.

18. component according to claim 16, which is characterized in that the friction surface (33) is directed radially inward outside.

19. component according to claim 16, which is characterized in that the friction surface (33) is directed radially inward inside.

20. component according to claim 16, which is characterized in that the friction surface (33) is radially disposed at the biography In the movable tooth gear teeth (60).

21. a kind of transmission device with component according to claim 8, which is characterized in that the transmission device has Shell, the shell, which is equipped with, prevents tooth (80), and the driving cog (25) can engage with the prevention tooth (80).