DE102016205977A1 - Assembly for a synchronization device and synchronization device with the module - Google Patents

Abstract

Synchronization systems are used in transmissions of vehicles to match different speeds of transmission components to each other. In particular, these serve to equalize shaft speeds between a switching wheel to be switched and a stuck on a shaft switching element to each other. For this purpose, an assembly for a synchronization device 1 or for a dog clutch, with a support body 2, wherein the support body 2 has an external toothing, wherein the support body 2 can be coupled to a drive shaft 3, wherein the support body 2 defines a main axis of rotation H, with a sliding sleeve 4th , wherein the sliding sleeve 4 has an internal toothing, wherein the internal toothing of the sliding sleeve 4 is rotatably toothed with the external toothing of the carrier body 2, wherein the sliding sleeve 4 on the Trägerköper 2 axially to the main axis of rotation H is displaceable, with at least one locking device 5 for locking the sliding sleeve. 4 wherein the locking device 5 is arranged on the carrier body 2, wherein the locking device 5 has at least one wing section 11, wherein the wing section 11 has a first wing section 11a, wherein the first wing section 11a along a radial surface 12 of the carrier Body 2 extends, proposed, with a second wing portion 11b of the wing portion 11 along a contact edge 13 of a first tooth 15 of the support body 2 extends.

Description

The invention relates to an assembly for a synchronization device or for a dog clutch with the features of the preamble of claim 1. Furthermore, the invention relates to a synchronization device with the assembly.

Synchronization systems are used in transmissions of vehicles to match different speeds of transmission components to each other. In particular, synchronization systems are used to match shaft speeds between a switching wheel to be shifted, which is designed as a loose wheel, and a switching element fixed on a shaft.

The publication DE 10 2006 018 284 A1 , which probably forms the closest prior art, shows a synchronizer, with a synchronizer body with an axially aligned external toothing, which engages in an internal toothing of a sliding sleeve, a pressure piece, which rests in the region of the external toothing, at least one synchronizing ring designed as a sheet metal part with a locking toothing , The pressure piece can have long wings. In this case, the pressure piece for engaging the synchronizer can be applied to a synchronizer ring.

The invention has for its object to provide a locking device for a synchronization device or a dog clutch for a transmission, which is fixed on a support body and does not stand out especially at high speeds. This object is achieved by an assembly with the features of claim 1 and by a synchronization device with the features of claim 9.

Preferred or advantageous embodiments of the invention will become apparent from the dependent claims, the following description and / or the accompanying figures.

According to the invention, an assembly for a synchronization device or for a dog clutch is proposed. The assembly is suitable and / or designed for a transmission, in particular for a manual transmission and / or an automatic transmission, of a vehicle. The synchronization device is designed in particular as a single-cone synchronization device or as a multi-cone synchronization device, preferably a double synchronization device or a triple synchronization device.

The assembly has a carrier body, wherein the carrier body has an outer toothing, which is preferably formed only partially in the circumferential direction. The carrier body has a receptacle for a drive shaft, wherein the receptacle has a toothing for the positive connection with a drive shaft, in particular an input shaft of a vehicle transmission. In particular, the toothing is designed as a main axis of rotation axially extending webs or teeth or grooves. The carrier body can be coupled to the drive shaft and / or coupled, in particular, the carrier body is rotatably coupled to the drive shaft in the direction of rotation. Preferably, the drive shaft and / or the carrier body with the respective axis of rotation define the main axis of rotation. Alternatively, the carrier body and the drive shaft can also be positively and / or materially connected to one another.

The synchronization device has a sliding sleeve, wherein the sliding sleeve has an internal toothing, wherein the internal toothing of the sliding sleeve is rotatably toothed with the external toothing of the carrier body. In particular, the sliding sleeve is arranged coaxially and / or concentrically with the carrier body. The internal toothing of the sliding sleeve is engaged with the external toothing of the carrier body in such a way that the sliding sleeve and the carrier body relative to each other in the axial direction to the main axis of rotation are displaceable and rotationally fixed to each other in the direction of rotation.

The sliding sleeve is used for the rotationally fixed connection of the carrier body and the ratchet wheel. The sliding sleeve has on the outside a groove extending in the circumferential direction for receiving a shift fork, in particular for receiving a sliding block on. In a switching operation, the sliding sleeve is displaced in the axial direction to the main axis of rotation and brought into engagement with a Schaltradverzahnung of the ratchet wheel. In this position of the sliding sleeve, the internal toothing of the sliding sleeve with the ratchet gear teeth is positively connected, so that the ratchet is rotatably connected via the sliding sleeve with the carrier body. In particular, the internal toothing of the sliding sleeve and the external toothing of the carrier body are formed by webs or teeth or grooves extending axially relative to the main axis of rotation. The sliding sleeve preferably has a roof toothing axially on the outside of the internal toothing.

Furthermore, the assembly has a locking device for locking the sliding sleeve. The locking device serves to lock the sliding sleeve with respect to the main axis of rotation in at least one axial position, in particular in at least two different axial positions, preferably in at least three different axial positions. In particular, the locking device is a centering and / or detent designed for different switching positions of the sliding sleeve. The locking device is preferably made of metal, for example of a sheet steel or plastic or a composite material.

The locking device is arranged on the carrier body, preferably, the carrier body has on its outer side radially in the direction of the main axis of rotation in the circumferential direction at least one recess, which is designed to receive the locking device. The recess is for example T-shaped or has the shape of a keyhole. In particular, the carrier body on its outer side at least one further recess, preferably three recesses, which are arranged uniformly spaced in the circumferential direction.

The locking device has, in particular in a cross section to the main axis of rotation, at least one wing portion, more preferably two wing portions, wherein the wing portion extends in the circumferential direction about the main axis of rotation. The wing portion prevents lifting of the locking device in the radial direction to the main axis of rotation, for example by occurring centrifugal forces at high speeds. The wing sections preferably extend in the axial direction to the main axis of rotation along the outer toothing of the carrier body.

The wing portion has a first wing portion and a base portion for receiving a locking member. The first wing portion extends the base portion in the direction of rotation, in particular, the first wing portion directly adjoins the base portion. The carrier body has a radial surface, wherein the radial surface is arranged radially on the outside of the carrier body. In particular, the radial surface lies in a plane which extends perpendicular to a radius vector, wherein the radius vector has its origin at a point which lies on the main axis of rotation. In particular, the first wing portion extends along the radial surface of the carrier body. Alternatively, the radial surface is a cylinder jacket surface portion about the main axis of rotation and / or preferably forms a first tooth root. In particular, the first wing section follows the course of the cylinder jacket surface section in the direction of rotation to the main axis of rotation.

In the context of the invention, it is proposed that the wing section has a second wing part section which, in particular in the direction of rotation, extends further along a contact flank of a first tooth of the carrier body. In particular, the second wing portion extends in the radial direction to the main axis of rotation. The second wing portion extends the first wing portion and is directly connected thereto. In particular, the second wing section contacts the abutment edge positively in at least one first point, preferably, the second wing section abuts completely or partially in the radial direction on the abutment edge and can e.g. form a positive connection. Preferably, the second wing portion, as viewed in a cross section to the main axis of rotation, S-shaped. In particular, the second wing portion is spaced from a tooth flank of the internal toothing of the sliding sleeve. Preferably, the second wing portion has a small clearance to the tooth flank, for example, the distance is in particular at least and / or less than 5 mm, preferably at least and / or less than 1 mm, more preferably at least and / or less than 0.1 mm. The tooth flank contacts the second wing part section, in particular when lifting the locking device, in a line-shaped manner. Alternatively, the internal toothing of the sliding sleeve positively contacts the second wing portion, so that the wing portion is fixed in the radial direction to the main axis of rotation.

Due to the wing portion of the invention, the locking device is fixed in the direction of rotation to the main axis of rotation due to the second wing portion. Due to the contact of the second wing part section between the contact flank of the first tooth and the further point, which is formed by the internal toothing of the sliding sleeve, fixing is achieved both in the circumferential direction and in the radial direction to the main axis of rotation by the second wing part section. By contacting the abutment edge over the second wing portion with the internal teeth, a particularly stable centering of the locking device is realized in the direction of rotation and in the radial direction to the main axis of rotation, so that a lifting or wedging of the locking device is prevented at high speeds and thus safer and more stable Operation of the synchronization device or the dog clutch is guaranteed.

In a preferred embodiment of the invention, the wing section has a third wing part section, which extends further along a first tooth tip surface of the first tooth of the support body. In particular, the third wing portion extends in the direction of rotation to the main axis of rotation. The third wing portion extends the second wing portion and is directly connected thereto. In particular, the wing portion is formed integrally with the first and / or second and / or third wing portion. The first and / or the second and / or the third wing section are formed by forming educated. In particular, the third wing section contacts the first tooth head surface in a form-locking manner, preferably the third wing section abuts completely in the direction of rotation on the second tooth head face and forms a form-locking connection therewith. Alternatively or optionally complementarily contacted the internal toothing of the sliding sleeve, in particular a tooth base of the internal toothing, also the third wing portion in at least one point, so that the third wing portion is limited in the radial direction.

In a further preferred embodiment of the invention, the radial surface and the first wing portion together define a depth that corresponds to at least one depth of a subsequent tooth root in the circumferential direction. The radial surface lies in the radial direction closer to the main axis of rotation than the first tooth base, preferably the difference between the radial surface and the first tooth base corresponds to at least an amount which corresponds to the thickness of the wing section, in particular of the first wing section. Particularly preferably, the first wing portion and the radial surface form a depth which is deeper than the tooth depth of the first tooth root.

Alternatively or optionally in addition, the abutment edge and the second wing part section together define a thickness which corresponds to at least one tooth thickness measured at half the height of a further tooth. The abutment edge extends outward from the main axis of rotation in the radial direction from the radial surface. In particular, the abutment edge is a surface arranged perpendicular to the radial surface. Alternatively, the abutment edge forms an angle with the radial surface which is less than 90 degrees, preferably less than 70 degrees, more preferably less than 50 degrees, in particular greater than 30 degrees. In particular, the tooth thickness of the first tooth is selected such that the first tooth, preferably the contact flank of the first tooth, the second wing portion and the internal toothing of the sliding sleeve form a positive contact when installed.

Alternatively or optionally additionally, the first tooth head surface and the third wing part section together define a height which corresponds less or exactly to the tooth height of the further tooth. The tooth head surface lies in the radial direction closer to the main axis of rotation than the tooth head surface of another subsequent tooth, preferably the difference between the tooth head surface and the tooth head surface of the subsequent tooth corresponds to at least an amount which corresponds to the thickness of the wing portion, in particular of the third wing portion. Particularly preferably, the first wing portion and the radial surface form a tooth height, which is lower than the tooth height of the other tooth.

For example, form the wing sections, in particular the first, the second and the third wing portion, viewed in a cross section, together with the first tooth and the radial surface, a contour which corresponds to that of the further tooth course of the external toothing of the carrier body.

In a further advantageous embodiment, the locking device has a first and a second fixing section, wherein the first and the second fixing section each extend in a radial plane to the main axis of rotation. The first and the second fixing section have a rectangular area in an axial plan view. The first fixing section is arranged opposite to the second fixing section, in particular the fixing sections are arranged parallel to one another. Particularly preferably, the fixing sections are formed by deformation.

The fixing sections surround a contact section of the support body on both sides, so that the locking device is centered in the axial direction. In particular, the radial surface forms a first surface of the contact section. Preferably, a first part of the radial surface forms the first surface of the abutment portion, wherein a second part of the radial surface extends further in the axial direction than the first part of the radial surface.

The contact section has a first and a second contact surface. The contact surfaces extend in a radial plane to the main axis of rotation and are arranged in particular parallel to each other. Preferably, at least one of the fixing sections contacts at least one of the abutment surfaces, but particularly preferably the first fixation section contacts the first abutment surface and / or the second fixation section contacts the second abutment surface, in particular the first and second fixation sections form the first and second abutment surfaces a positive connection. In particular, the fixing section is formed only in a region which contacts the contact surface.

For example, both fixing portions in an axial plan view, two rectangular surfaces, which are spaced from each other.

In a special embodiment of the invention, the two fixing sections and the contact section form a plug connection. For example, the locking device is inserted during assembly in the recess of the carrier body, wherein the abutment portion forms a part of the recess in the circumferential direction. The two Fixing sections are spaced such that during the attachment of a positive connection with the two contact surfaces is formed.

In a further embodiment of the invention, the locking device on the locking member, wherein the locking member is loaded by a spring means in the radial direction. The locking member serves to lock the sliding sleeve in at least one position, wherein the spring device generates the locking member in a locking position in the radial direction a positive and / or non-positive connection with the sliding sleeve. In particular, the locking member is a ball or a ball pin or a cylindrical roller or a cone. In particular, the spring device is a compression spring.

In a preferred development, the sliding sleeve has a first latching receptacle and at least one further latching receptacle. In particular, the locking receptacles are designed as a contour partner to the locking member. The first latching receptacle and / or the at least one further latching receptacle is designed as a section-wise depression of the internal toothing in the circumferential direction. For example, the recess is a notch or a groove or a concave depression. Due to the locking receptacles, the sliding sleeve is secured in the individual positions, so that the risk of unintentional displacement of the sliding sleeve in the axial direction is reduced.

The latching element engages in a neutral position in the first latching receptacle, wherein the latching element engages in a switching position in the further latching receptacle. The sliding sleeve is located in the neutral position in a middle position, in particular, the sliding sleeve is at an idling of the transmission in the neutral position. The sliding sleeve is in the switching position in an axially shifted state, wherein the sliding sleeve is rotatably coupled to a gear wheel. The first latching receptacle is, viewed in particular in a longitudinal section, arranged axially in the middle of the sliding sleeve. The at least one further latching receptacle is arranged offset in the axial direction to the first latching receptacle. Upon a displacement of the sliding sleeve by the shift fork in the axial direction, the locking member or the spring means is pressed radially inward until one of the locking receptacles is reached. By the spring force, the locking member is pressed radially in the direction of the corresponding locking receptacle, so that a positive connection and / or traction connection takes place.

In a further embodiment, the locking device has a sheet-metal shaped part as the base body, wherein the at least one wing section as well as the first and the second fixing section are formed by the sheet-metal shaped part. In particular, the wing portion and the fixing portions are formed by a forming process and / or separation process. In particular, the locking member and the spring means are introduced during the production of the sheet metal part in a receiving portion of the sheet metal part and / or connected to the sheet metal part. The sheet metal part may have a one-piece or a multi-part design.

Another object of the invention is a synchronization device with the assembly as it has been previously described or according to any one of the preceding claims.

In a further constructional implementation of the invention, the carrier body additionally has at least one pressure device, wherein the pressure device is axially displaceable. The printing device is arranged in a recess in the direction of rotation on the outside of the carrier body. In particular, the carrier body has at least one further printing device, preferably three printing devices. The printing device is arranged in particular in the direction of rotation after a locking device. In particular, the printing device is in each case arranged centrally between two locking devices in the direction of rotation.

The pressure device moves at least one synchronizer ring axially in the direction of an adjacent coupling body. The pressure device is taken from the sliding sleeve in a Vorsynchronisierung and transmits a force on the synchronizer ring. The coupling body is designed in particular as a gear wheel with an outer cone or as an intermediate ring.

Further features, advantages and effects of the invention will become apparent from the following description of preferred embodiments of the invention. Showing:

1 a longitudinal section through a synchronization device in a neutral position as an embodiment of the invention;

2 a cross section of the locking device in a installed state;

3 the locking device in a disassembled state and the carrier body in a longitudinal section;

4 the locking device in a mounted state with the carrier body in a longitudinal section;

5a the synchronization device in the same representation as in 1 in a first switching position;

5b the synchronization device in the same representation as in 1 in a second switching position;

6 a longitudinal section through the synchronization device in three-dimensional representation;

7 Three-dimensional representation of a sheet metal part of the synchronization device of the preceding figures.

8th a cross section of the locking device in a preferred installed state; Corresponding or identical parts are each provided with the same reference numerals in the figures.

The 1 shows in a longitudinal sectional view along a main axis of rotation H a synchronization device 1 , The synchronization device 1 has a carrier body 2 on, wherein the carrier body 2 , Specifically defined by its axis of rotation, the main axis of rotation H. The synchronization device 1 serves to approximate a rotational speed of a gear wheel 7a , b with the rotational speed of a drive shaft 3 and for the rotationally fixed coupling of the drive shaft 3 with the gear wheel 7a , b. The synchronization device 1 is arranged in particular in a vehicle transmission.

The carrier body 2 is with the drive shaft 3 rotatably connected, for example, is the drive shaft 3 formed as an input shaft in a transmission. The carrier body 2 has a receptacle for the drive shaft 3 on, wherein the receptacle in particular as an internal toothing of the carrier body 2 is trained. The drive shaft 3 has in particular in the region of the internal toothing of the carrier body 2 a corresponding external toothing, so that the drive shaft 3 positively inserted through the receptacle.

Furthermore, the drive shaft is used 3 for receiving the gear wheels 7a , b, where the gear wheels 7a , B are arranged coaxially to the main axis of rotation H. A first gear wheel 7a is on one side of the carrier body 2 and a second gear wheel 7b is on the opposite side of the carrier body 2 arranged. In particular, the gear wheels 7a , b as loose wheels on the drive shaft 3 arranged. For example, the gear wheels 7a , b each connected to another gear.

Furthermore, the synchronization device comprises 1 a sliding sleeve 4 , wherein the sliding sleeve 4 a circumferential groove 6 , in particular for receiving a shift fork. The sliding sleeve 4 is in the axial direction to the main axis of rotation H on the carrier body 2 slidably arranged. The carrier body 2 has an external toothing and the sliding sleeve 4 an internal toothing, wherein the internal toothing engages in the external toothing and thus in the direction of rotation to the main axis of rotation H is a rotationally fixed connection.

The synchronization device 1 has at least one locking device 5 for locking the sliding sleeve 4 on, wherein the locking device 5 on the carrier body 2 is arranged radially on the outside. For example, the synchronization device 1 exactly three locking on which evenly spaced in the direction of rotation to the main axis of rotation H on the support body 2 are arranged. For example, locks the locking device 5 the sliding sleeve 4 in at least one position. The locking device 5 has a catch member 9 , For example, a ball on. The catch organ 9 is by a spring device 10 , For example, a spring, radially in the direction of the sliding sleeve 4 loaded.

The sliding sleeve 4 has a first, a second and a third locking receptacle 8a , b, c on. The rest shots 8a , b, c are designed as a direction of rotation in the internal toothing of the sliding sleeve 4 arranged recess formed. For example, the locking shots 8a , b, c are formed as a groove or as a notch. The rest shots 8a , b, c form a contour partner to the locking member 9 , The first snap-in receptacle 8a is in the middle of the sliding sleeve 4 arranged. The second and the third snap-in recording 8b , c are in the axial direction to the first locking receptacle 8a staggered.

The 2 shows in a cross-sectional view in a plane perpendicular to the main axis of rotation H, the locking device 5 , The carrier body 2 has a recess with a first section 18a on, being the first section 18a along a radius vector R in the direction of the main axis of rotation H. The radius vector R has its origin at a point which lies on the main axis of rotation H.

The locking device 5 has in the direction of rotation about the main axis of rotation H on each side of a wing section 11 on, with the wing sections 11 a lifting of the locking device 5 prevent too high centrifugal forces. The wing sections 11 each have a first wing portion section 11a on, wherein the first wing section 11a along a radial surface 12 of the carrier body 2 extends. The radial surface 12 lies in a plane which is perpendicular to the first gate 18a and / or extends to the radius vector R. In particular, the radial surface forms 12 with the first section 18a a right angle. The radial surface 12 is radially on the outside of the carrier body 2 arranged.

A second wing section 11b the wing sections 11 closes immediately to the first wing section 11a and extends the first wing section 11a , The second wing section 11b extends further along a first abutment edge 13 a first tooth 15 , A third wing section 11c the wing sections 11 closes immediately to the second wing section 11b and extends further over a first Zahnkopffläche 14 of the first tooth 15 ,

For example, the wing sections lie 11 positively on the tooth contour of the first tooth 15 and / or the radial surface 12 at. The first and / or the second and / or the third wing section 11a , b, c completely or at least partially contact the radial surface 12 and / or the first tooth 15 , in particular the plant edge 13 and / or the Zahnkopffläche 14 ,

The carrier body 2 has a tip diameter K and a root diameter F. The tip circle diameter K is the outer diameter over the Zahnkopfflächen the other teeth 17 the external toothing of the carrier body 2 , The root diameter F is the diameter over the tooth base of the outer toothing of the carrier body 2 , The first tooth 15 has a small tip diameter K as at least one subsequent tooth in the circumferential direction 17 on. The first wing section 11a and the radial surface 12 form a diameter, which less or exactly the root diameter F of a subsequent tooth root in the direction of rotation 16 equivalent. The first tooth 15 and the third wing portion 11c together form an outer diameter which corresponds less or exactly to the tip circle diameter K. Alternatively form the wing sections 11 with the radial surface 12 and / or the first tooth 15 a contour which is the contour of the following tooth base 16 and / or the other tooth 17 equivalent. Optionally form the wing sections 11 a positive contact with the internal toothing or a portion of the internal toothing of the sliding sleeve 4 , so that a lifting of the locking device 5 is prevented in the radial direction from the main axis of rotation H away.

Furthermore, the locking device 5 in the 3 a first and a second fixation section 21a , b on, with the two fixation sections 21a , b are arranged opposite one another and extend in a radial plane to the main axis of rotation H.

The carrier body 2 has a plant section 19 on, wherein the opposite outer sides by a first and a second abutment surface 20a , b are formed. The two contact surfaces 20a , b extend perpendicular to the radial surface 12 and thus form a right angle with this. The locking device 5 For example, when mounting on the contact section 19 attached. The two fixation sections encompass this 21a , b the attachment section 19 on both sides, so that an axial movement of the locking device 5 to the main axis of rotation H is prevented. The wing sections 11 extend axially along the first tooth 15 , where the wing sections 11 have a smaller width, such as the tooth width of the tooth 15 , For example, the axial extent of the wing sections 11 not more than 80% of the tooth width of the tooth 15 or the external toothing of the carrier body 2 , Optionally, the wing section 11 axially limited by at least one web, in particular, the wing sections 11 axially bounded on both sides by a web.

4 shows the locking device 5 in a installed state with the carrier body 2 wherein the first fixation section 21a with the first contact surface 20a contacted and / or the second fixation section 21b with the second contact surface 20b contacted. For example, the locking device contacts 5 completely or at least partially with the contact section 19 at the first and / or the second contact surface 20a , b and / or at the radial surface 12 , The first and the second contact section 21a , b form together with the first and the second bearing surface 20a , b a positive connection. The wing sections 11 center the locking device 5 in the radial direction and / or in the direction of rotation with respect to the main axis of rotation H. The fixing sections 21a , b center the locking device 5 in the axial direction with respect to the main axis of rotation H. Thus, the locking device 5 in particular form-fitting manner on the carrier body 2 fixed.

According to the 5a and 5b becomes the synchronization device 1 shown in a first and a second switching position. For example, the first shift position corresponds to a first gear having a first gear ratio and the second gear position corresponds to a second gear having a second gear ratio, wherein the first gear ratio corresponds to a different gear ratio than the second gear ratio.

In the first switching position according to 5a , the sliding sleeve is 4 , For example by the shift fork, axially in the direction of the first gear wheel 7a emotional. In this case, the displacement of the sliding sleeve takes place 4 from the neutral position like this in the 1 is shown. The catch organ 9 the locking device 5 is in the neutral position with the first snap-in receptacle 8a locked. In a switching operation from the neutral position to the first switching state, the locking member 9 through the sliding sleeve 4 moved radially in the direction of the main axis of rotation H, wherein the spring means 10 in a compressed state located. The internal toothing of the sliding sleeve 4 engages in the teeth of the first gear wheel 7a one and the first switching position is reached. The sliding sleeve 4 is now in an end position, wherein the spring device 10 the catch organ 9 moved radially in the direction of the locking receptacle and the locking member 9 in the second snap-in receptacle 8b locks. That by the spring device 10 acted upon catch member 9 or the locking device 5 thus lock the sliding sleeve 4 in the first switching position.

When in the 5b shown, second switching position, the movement of the sliding sleeve takes place 4 axially in the direction of the second ratchet wheel 7b , In this case, there is a shift of the sliding sleeve from in the 1 shown neutral position. In a switching operation from the neutral position to the second switching state, the locking member 9 through the sliding sleeve 4 moved radially in the direction of the main axis of rotation H, wherein the spring means 10 is in a compressed state. The internal toothing of the sliding sleeve 4 engages in the teeth of the second gear wheel 7b one and the second switching position is reached. The sliding sleeve 4 is now in an end position, wherein the spring device 10 the catch organ 9 moved radially in the direction of the locking receptacle and the locking member 9 in the third snap-in receptacle 8c locks. That by the spring device 10 acted upon catch member 9 or the locking device 5 thus lock the sliding sleeve 4 in the second switching position.

6 shows in a perspective longitudinal sectional view along the main axis of rotation H, the synchronization device 1 , The locking device 5 is with the first snap-in receptacle 8a latched so that the sliding sleeve 4 in the neutral position. The locking device 5 has a base section 23 on, with the wing section 11 in the direction of rotation to the main axis of rotation H to the base portion 23 followed.

The wing section 11 lies on the radial surface 12 and / or the first tooth 15 on. The first tooth 15 has a lower tooth height, as a subsequent further tooth 17 , The fixation sections 21a , b have a rectangular shape in the axial plan view and extend from the base portion 23 radially in the direction of the main axis of rotation H. The fixation sections 21a , b extend partially along the carrier body 2 and center the locking device 5 in the axial direction to the main axis of rotation H.

7 shows a sheet metal part 22 , which is a basic body for the locking device 5 forms. The sheet metal part 22 has a receiving section 24 for receiving the locking member 9 and / or the spring device 10 on. The recording section 24 extends perpendicular to the base portion 23 , For example, the receiving section 24 designed as a cylindrical pot. During the assembly process of the locking device 5 becomes the catch organ 9 and the spring device 10 placed in the pot. The recording section 24 is closed on its underside and has an opening at its top 25 , eg a circular or an oval opening. The opening 25 forms part of the base section 23 and is eg arranged in the middle. For example, the opening 25 designed such that a movement of the locking member 9 is limited to the outside and thus the catch member 9 only partially from the receiving section 24 can escape.

The sheet metal part 22 is integrally formed, wherein the wing sections 11 , the fixation sections 21a , b and the receiving section 24 be formed by forming. Optionally, the sheet metal part is formed in two pieces, wherein the base portion 23 and the wing sections 11 form a first sheet metal part and the receiving portion 24 forms a second sheet metal part. The first and the second sheet metal part are joined together by a joining process. For example, the second sheet metal part is pressed into the first sheet metal part or welded thereto or connected by a rebate connection with this.

The sheet metal part 22 has recesses 26 on, which are formed by a separation process, for example by punching or milling and serve as the weight reduction. The recesses 26 are for example at the approaches of the wing sections 11 arranged or are completely or partially a part of the first wing portion 11a ,

8th shows in a cross-sectional view in a plane perpendicular to the main axis of rotation H, the locking device 5 as a preferred embodiment of the invention. The first wing section 11a is spaced from the radial surface 12 arranged.

The second wing section 11b contacts the contact edge 13 form-fitting. By contacting the second wing portion 11b with the plant edge 13 , is the locking device 5 centered in the direction of rotation. In particular, the second wing section forms 11b a contour partner to the system edge 13 , One tooth flank of the internal toothing of the sliding sleeve 4 is arranged spaced from the second wing portion, in particular, the distance is less than 1 mm. When occurring centrifugal forces prevents the second wing section 11b a lifting of the locking device 5 in the radial direction.

The third wing section 11c is, in particular form-fitting, on the Zahnkopffläche 14 on. In particular, the third wing section extends 11c completely and / or partially along the Zahnkopffläche 14 in the direction of rotation and / or in the axial direction with respect to the main axis of rotation H.

LIST OF REFERENCE NUMBERS

1

 synchronizer

2

 support body

3

 drive shaft

4

 sliding sleeve

5

 locking

6

 groove

7a

 first gear wheel

7b

 second gear wheel

8a

 first snap-in receptacle

8b

 second locking receptacle

8c

 third snap-in receptacle

9

 detent member

10

 spring means

11

 wing section

11a

 first wing section

11b

 second wing section

11c

 third wing section

12

 radial surface

13

 bearing flank

14

first tooth tip surface

15

 first tooth

16

tooth root

17

 another tooth

18a

 first section

18b

 second part

19

 contact section

20a

first contact surface

20b

 second contact surface

21a

 first fixation section

21b

 second fixation section

22

 Sheet metal part

23

 base section

24

 receiving portion

25

 opening

26

 recesses

H

 Main axis of rotation

R

 radius vector

K

 Tip diameter

F

 root diameter

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102006018284 A1 [0003]

Claims (10)

Assembly for a synchronization device ( 1 ) or for a dog clutch, with a carrier body ( 2 ), wherein the carrier body ( 2 ) has an external toothing, wherein the carrier body ( 2 ) with a drive shaft ( 3 ) is coupled, wherein the carrier body ( 2 ) defines a main axis of rotation (H), with a sliding sleeve ( 4 ), wherein the sliding sleeve ( 4 ) has an internal toothing, wherein the internal toothing of the sliding sleeve ( 4 ) with the external toothing of the carrier body ( 2 ) is rotatably toothed, wherein the sliding sleeve ( 4 ) on the carrier body ( 2 ) is axially displaceable to the main axis of rotation (H), with at least one locking device ( 5 ) for locking the sliding sleeve ( 4 ), wherein the locking device ( 5 ) on the carrier body ( 2 ), wherein the locking device ( 5 ) at least one wing section ( 11 ) and a base section ( 23 ) for receiving a catch member ( 9 ), wherein the wing section ( 11 ) a first wing portion ( 11a ) and a second wing section ( 11b ), wherein the first wing section ( 11a ) the base section ( 23 ) with the second wing section ( 11b ), characterized in that the second wing portion ( 11b ) of the wing section ( 11 ) along a first abutment edge ( 13 ) of a first tooth ( 15 ) of the carrier body ( 2 ). An assembly according to claim 1, characterized in that a third wing portion ( 11c ) of the wing section ( 11 ) along a first tooth tip surface ( 14 ) of the first tooth ( 15 ) of the carrier body ( 2 ), wherein the third wing portion ( 11c ) radially in the direction of the main axis of rotation (H) on the carrier body ( 2 ) rests. An assembly according to claim 1 or 2, characterized in that the first wing portion ( 11a ) radially in the direction of the main axis of rotation (H) on the carrier body ( 2 ) rests. Assembly according to one of the preceding claims, characterized in that the locking device ( 5 ) a first and a second fixing section ( 21a , b), wherein the first and the second fixing portion ( 21a , b) extend in a radial plane to the main axis of rotation (H) and a contact portion ( 19 ) of the carrier body ( 2 ) engage on both sides, wherein the first and second fixing section ( 21a , b) the locking device ( 5 ) in the axial direction. An assembly according to claim 4, characterized in that the two fixing sections ( 21a , b) and the installation section ( 19 ) form a plug connection. Assembly according to one of the preceding claims, characterized in that the latching member ( 9 ) by a spring device ( 10 ) is loaded in the radial direction. Assembly according to one of the preceding claims, characterized in that the sliding sleeve ( 4 ) a first snap-in receptacle ( 8a ) and at least one further latching receptacle, wherein the latching member ( 9 ) in a neutral position in the first latching receptacle ( 8a ) engages, wherein the locking member ( 9 ) engages in a switching position in the further locking receptacle. Assembly according to one of the preceding claims, characterized in that the locking device ( 5 ) a sheet metal part ( 22 ) as the base body, wherein by the sheet metal part ( 22 ) the at least one wing section ( 11 ) and the first and the second fixing section ( 21a , b) is formed. Synchronization device ( 1 ), characterized by an assembly according to one of the preceding claims. Synchronization device ( 1 ) according to claim 9, characterized in that the carrier body ( 2 ) additionally has at least one printing device, wherein the printing device is axially displaceable, wherein the printing device moves at least one synchronizer ring axially in the direction of an adjacent coupling body.

Images