CN204985410U - Synchronous ware assembly - Google Patents

Synchronous ware assembly Download PDF

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Publication number
CN204985410U
CN204985410U CN201520710568.2U CN201520710568U CN204985410U CN 204985410 U CN204985410 U CN 204985410U CN 201520710568 U CN201520710568 U CN 201520710568U CN 204985410 U CN204985410 U CN 204985410U
Authority
CN
China
Prior art keywords
synchronizing ring
tooth
pushing block
hub
ejector pad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520710568.2U
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Chinese (zh)
Inventor
田军
杨宏伟
刘刚
吕小宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIYAN TONGCHUANG DRIVE TECHNOLOGY Co Ltd
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SHIYAN TONGCHUANG DRIVE TECHNOLOGY Co Ltd
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Filing date
Publication date
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Priority to CN201520710568.2U priority Critical patent/CN204985410U/en
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Publication of CN204985410U publication Critical patent/CN204985410U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a synchronous ware assembly, including the tooth hub, an awl hub has been arranged respectively to the both sides of tooth hub, the cover is equipped with shifting sleeve on the flank of tooth of tooth hub, the ejector pad mounting groove has still been seted up on the flank of tooth of tooth hub, there is the ejector pad through elasticity steel ball unit mount in the ejector pad mounting groove, the ejector pad surface be equipped with with shifting sleeve internal surface matched with ejector pad engaging tooth, the ejector pad passes through the ejector pad engaging tooth with the shifting sleeve meshing, ejector pad and two be equipped with a synchronizer ring between the awl hub respectively, the both ends of ejector pad are equipped with one respectively and are used for the restriction the fixture block of synchronizer ring axial float. Adding respectively through the both ends at the ejector pad and establishing a fixture block that is used for restricting the synchronizer ring axial float, like this, at the in -process of shifting, the axial float can not take place for synchronizer ring to shorten the time of shifting, improved this synchronous ware assembly's life. Be applicable to synchronous ware.

Description

Synchronizer assembly
Technical field
The utility model relates to synchronizer field, particularly relates to a kind of synchronizer assembly.
Background technique
At present, existing automobile synchronizer working principle is as follows: sliding gear collar and tooth hub, tooth hub and transmission shaft all pass through spline engagement, shifting gear is loaded on transmission shaft by bearing housing, when needing gearshift, sliding gear collar is allocated to the shifting gear needing to change to by selector fork, before the cone hub be fixedly connected with the shifting gear that these needs change to and sliding gear collar engage, synchronizing ring first combines, make tooth hub synchronous rapidly with the rotating speed of cone hub by the friction between the conical surface, namely synchronizer sliding sleeve gear is synchronous rapidly with the rotating speed of shifting gear needing to change to, the gear cone hub changed to now is needed to engage with synchronizer sliding sleeve gear, shift process completes, the shifting gear that power is changed to by these needs reaches transmission shaft, driving automobile continues to travel.
Existing synchronizer assembly generally comprises tooth hub, the both sides of tooth hub are furnished with a cone hub respectively, the flank of tooth of tooth hub is set with sliding gear collar, the flank of tooth of tooth hub also offers pushing block mounting groove, by elastic steel ball assembly, pushing block is installed in pushing block mounting groove, pushing block outer surface is provided with the pushing block engaging tooth matched with sliding gear collar internal surface, pushing block is engaged with sliding gear collar by pushing block engaging tooth, pushing block and two bore between hub and are respectively equipped with a synchronizing ring, synchronizing ring side is by boring the conical surface location of hub, the end face location of synchronizing ring opposite side pushing block, synchronizing ring axially can play.There is following problem in actual use in the synchronizer assembly of this structure:
Because synchronizing ring axially can play, so add the gearshift time, reduce the working life of synchronizer assembly.
Summary of the invention
The purpose of this utility model is the deficiency in order to overcome above-mentioned background technology, provides a kind of synchronizer assembly of long service life.
In order to realize above object, a kind of synchronizer assembly that the utility model provides, comprise tooth hub, the both sides of described tooth hub are furnished with a cone hub respectively, the flank of tooth of described tooth hub is set with sliding gear collar, the flank of tooth of described tooth hub also offers pushing block mounting groove, by elastic steel ball assembly, pushing block is installed in described pushing block mounting groove, described pushing block outer surface is provided with the pushing block engaging tooth matched with described sliding gear collar internal surface, described pushing block is engaged with described sliding gear collar by described pushing block engaging tooth, a synchronizing ring is respectively equipped with between described pushing block and two described cone hubs, the two ends of described pushing block are respectively equipped with one for limiting the fixture block of described synchronizing ring axial float.Add a fixture block for limits synchronization ring axial float respectively by the two ends at pushing block, like this, in shift process, can not there is axial float in synchronizing ring, thus shorten the gearshift time, improves the working life of this synchronizer assembly.
In such scheme, the outer ring of described synchronizing ring is provided with several synchronous boss, the circumferential both sides of described synchronous boss are respectively equipped with a synchronizing ring locking inclined-plane, on the internal surface of described sliding gear collar, the position of corresponding described synchronous boss is respectively equipped with the synchronous groove matched with described synchronous boss, and on described synchronous groove, the position on corresponding described synchronizing ring locking inclined-plane is provided with the sliding gear collar locking inclined-plane matched with described synchronizing ring locking inclined-plane.By the synchronous gear on synchronizing ring outer ring is improved to synchronous boss, like this, under the condition ensureing transmission, the quantity of synchronous gear is reduced greatly, thus make this synchronizing ring more easily adopt stamping process shaping, and then reduce production difficulty and the cost of synchronizing ring.
In such scheme, in described synchronizing ring, the position of corresponding described fixture block is provided with locating groove, and the width of described locating groove is greater than the width of described fixture block.By offering the locating groove matched with fixture block in synchronizing ring, and become to be greater than the width of fixture block by the width design of locating groove, like this, original positioning boss in synchronizing ring can be cancelled, like this, a progressive ground simplifies the structure of synchronizing ring, thus create a further reduction production difficulty and the cost of synchronizing ring.
In such scheme, the quantity of the locating groove in each described synchronizing ring is at least 3, and locating groove is evenly arranged along the circumferencial direction of described synchronizing ring.
The utility model on the one hand, adds a fixture block for limits synchronization ring axial float by the two ends at pushing block, so respectively, in shift process, can not there is axial float in synchronizing ring, thus shorten the gearshift time, improves the working life of this synchronizer assembly; On the other hand, by the synchronous gear on synchronizing ring outer ring is improved to synchronous boss, like this, under the condition ensureing transmission, reduce the quantity of synchronous gear greatly, thus make this synchronizing ring more easily adopt stamping process shaping, and then reduce production difficulty and the cost of synchronizing ring; Again on the one hand, by offering the locating groove matched with fixture block in synchronizing ring, and become to be greater than the width of fixture block by the width design of locating groove, like this, original positioning boss in synchronizing ring can be cancelled, like this, a progressive ground simplifies the structure of synchronizing ring, thus create a further reduction production difficulty and the cost of synchronizing ring.
The utility model is compared with the prior art, and fully its superiority of display is: structure is simple, cost is low and long service life.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is detonation configuration schematic diagram of the present utility model;
Fig. 3 is the structural representation of pushing block in the utility model;
Fig. 4 is the stravismus structural representation of Fig. 3;
Fig. 5 is the structural representation of synchronizing ring in the utility model;
Fig. 6 is the structural representation of tooth hub in the utility model;
Fig. 7 is the structural representation of sliding gear collar in the utility model.
In figure: tooth hub 1, pushing block mounting groove 1a, cone hub 2, sliding gear collar 3, synchronous groove 3a, sliding gear collar locking inclined-plane 3b, elastic steel ball assembly 4, pushing block 5, pushing block engaging tooth 5a, fixture block 5b, synchronizing ring 6, synchronous boss 6a, synchronizing ring locking inclined-plane 6b, locating groove 6c.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
Present embodiments provide a kind of synchronizer assembly, comprise tooth hub 1, the both sides of described tooth hub 1 are furnished with a cone hub 2 respectively, the flank of tooth of described tooth hub 1 is set with sliding gear collar 3, the flank of tooth of described tooth hub 1 also offers pushing block mounting groove 1a, by elastic steel ball assembly 4, pushing block 5 is installed in described pushing block mounting groove 1a, described pushing block 5 outer surface is provided with the pushing block engaging tooth 5a matched with described sliding gear collar 3 internal surface, described pushing block 5 is engaged with described sliding gear collar 3 by described pushing block engaging tooth 5a, a synchronizing ring 6 is respectively equipped with between described pushing block 5 and two described cone hubs 2, the two ends of described pushing block 5 are respectively equipped with one for limiting the fixture block 5b of described synchronizing ring 6 axial float.Add a fixture block 5b for limits synchronization ring 6 axial float respectively by the two ends at pushing block 5, like this, in shift process, can not there is axial float in synchronizing ring 6, thus shorten the gearshift time, improves the working life of this synchronizer assembly.
The outer ring of above-mentioned synchronizing ring 6 is provided with several synchronous boss 6a, the circumferential both sides of described synchronous boss 6a are respectively equipped with a synchronizing ring locking inclined-plane 6b, on the internal surface of described sliding gear collar 3, the position of corresponding described synchronous boss 6a is respectively equipped with the synchronous groove 3a matched with described synchronous boss 6a, and on described synchronous groove 3a, the position of corresponding described synchronizing ring locking inclined-plane 6b is provided with the sliding gear collar locking inclined-plane 3b matched with described synchronizing ring locking inclined-plane 6b.By the synchronous gear on synchronizing ring 6 outer ring is improved to synchronous boss 6a, like this, under the condition ensureing transmission, the quantity of synchronous gear is reduced greatly, thus make this synchronizing ring 6 more easily adopt stamping process shaping, and then reduce production difficulty and the cost of synchronizing ring 6.
In above-mentioned synchronizing ring 6, the position of corresponding described fixture block 5b is provided with locating groove 6c, and the width of described locating groove 6c is greater than the width of described fixture block 5b.By offering the locating groove 6c matched with fixture block 5b in synchronizing ring 6, and become to be greater than the width of fixture block 5b by the width design of locating groove 6c, like this, original positioning boss in synchronizing ring 6 can be cancelled, like this, a progressive ground simplifies the structure of synchronizing ring 6, thus create a further reduction production difficulty and the cost of synchronizing ring 6.
The quantity of the locating groove 6c in each described synchronizing ring 6 is at least 3, and locating groove 6c is evenly arranged along the circumferencial direction of described synchronizing ring 6.The quantity of above-mentioned pushing block 5 is consistent with the quantity of described locating groove 6c.
The utility model is by adding a fixture block 5b for limits synchronization ring 6 axial float respectively at the two ends of pushing block 5, like this, in shift process, can not there is axial float in synchronizing ring 6, thus shorten the gearshift time, improve the working life of this synchronizer assembly; By the synchronous gear on synchronizing ring 6 outer ring is improved to synchronous boss 6a, like this, under the condition ensureing transmission, the quantity of synchronous gear is reduced greatly, thus make this synchronizing ring 6 more easily adopt stamping process shaping, and then reduce production difficulty and the cost of synchronizing ring 6; By offering the locating groove 6c matched with fixture block 5b in synchronizing ring 6, and become to be greater than the width of fixture block 5b by the width design of locating groove 6c, like this, original positioning boss in synchronizing ring 6 can be cancelled, like this, a progressive ground simplifies the structure of synchronizing ring 6, thus create a further reduction production difficulty and the cost of synchronizing ring 6.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the present invention, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. a synchronizer assembly, comprise tooth hub (1), the both sides of described tooth hub (1) are furnished with cone hub (2) respectively, the flank of tooth of described tooth hub (1) is set with sliding gear collar (3), the flank of tooth of described tooth hub (1) also offers pushing block mounting groove (1a), by elastic steel ball assembly (4), pushing block (5) is installed in described pushing block mounting groove (1a), described pushing block (5) outer surface is provided with the pushing block engaging tooth (5a) matched with described sliding gear collar (3) internal surface, described pushing block (5) is engaged with described sliding gear collar (3) by described pushing block engaging tooth (5a), a synchronizing ring (6) is respectively equipped with between described pushing block (5) and two described cone hubs (2), it is characterized in that, the two ends of described pushing block (5) are respectively equipped with one for limiting the fixture block (5b) of described synchronizing ring (6) axial float.
2. synchronizer assembly as claimed in claim 1, it is characterized in that, the outer ring of described synchronizing ring (6) is provided with several synchronous boss (6a), the circumferential both sides of described synchronous boss (6a) are respectively equipped with a synchronizing ring locking inclined-plane (6b), on the internal surface of described sliding gear collar (3), the position of corresponding described synchronous boss (6a) is respectively equipped with the synchronous groove (3a) matched with described synchronous boss (6a), the position of the upper corresponding described synchronizing ring locking inclined-plane (6b) of described synchronous groove (3a) is provided with the sliding gear collar locking inclined-plane (3b) matched with described synchronizing ring locking inclined-plane (6b).
3. synchronizer assembly as claimed in claim 1, it is characterized in that, the position of the upper corresponding described fixture block (5b) of described synchronizing ring (6) is provided with the locating groove (6c) matched with described fixture block (5b), and the width of described locating groove (6c) is greater than the width of described fixture block (5b).
4. synchronizer assembly as claimed in claim 3, it is characterized in that, the quantity of the locating groove (6c) on each described synchronizing ring (6) is at least 3, and locating groove (6c) is evenly arranged along the circumferencial direction of described synchronizing ring (6).
CN201520710568.2U 2015-09-14 2015-09-14 Synchronous ware assembly Expired - Fee Related CN204985410U (en)

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Application Number Priority Date Filing Date Title
CN201520710568.2U CN204985410U (en) 2015-09-14 2015-09-14 Synchronous ware assembly

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Application Number Priority Date Filing Date Title
CN201520710568.2U CN204985410U (en) 2015-09-14 2015-09-14 Synchronous ware assembly

Publications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630945A (en) * 2017-09-05 2018-01-26 十堰同创传动技术有限公司 A kind of synchronizer assembly
CN107764549A (en) * 2017-11-09 2018-03-06 湖北航嘉麦格纳座椅系统有限公司 A kind of tooth set
CN108194531A (en) * 2018-02-11 2018-06-22 十堰同创传动技术有限公司 Buckle-type synchronizer composite slider
CN108253036A (en) * 2018-02-11 2018-07-06 十堰同创传动技术有限公司 Jack catchs type synchronizer composite slider
CN109027035A (en) * 2018-08-22 2018-12-18 石狮真发齿轮有限公司 A kind of lorry synchronizer assembly and its processing technology

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630945A (en) * 2017-09-05 2018-01-26 十堰同创传动技术有限公司 A kind of synchronizer assembly
CN107630945B (en) * 2017-09-05 2023-06-16 十堰同创传动技术有限公司 Synchronizer assembly
CN107764549A (en) * 2017-11-09 2018-03-06 湖北航嘉麦格纳座椅系统有限公司 A kind of tooth set
CN108194531A (en) * 2018-02-11 2018-06-22 十堰同创传动技术有限公司 Buckle-type synchronizer composite slider
CN108253036A (en) * 2018-02-11 2018-07-06 十堰同创传动技术有限公司 Jack catchs type synchronizer composite slider
CN108194531B (en) * 2018-02-11 2023-06-16 十堰同创传动技术有限公司 Buckle type synchronizer combined sliding block
CN108253036B (en) * 2018-02-11 2023-06-16 十堰同创传动技术有限公司 Jaw synchronizer combined sliding block
CN109027035A (en) * 2018-08-22 2018-12-18 石狮真发齿轮有限公司 A kind of lorry synchronizer assembly and its processing technology

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120

CF01 Termination of patent right due to non-payment of annual fee