CN101363514A - Steel ball and spring block type synchronization device - Google Patents
Steel ball and spring block type synchronization device Download PDFInfo
- Publication number
- CN101363514A CN101363514A CNA2008102004143A CN200810200414A CN101363514A CN 101363514 A CN101363514 A CN 101363514A CN A2008102004143 A CNA2008102004143 A CN A2008102004143A CN 200810200414 A CN200810200414 A CN 200810200414A CN 101363514 A CN101363514 A CN 101363514A
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- Prior art keywords
- synchronizer
- steel ball
- gear
- spring
- block type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
- F16D23/06—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
- F16D2023/0618—Details of blocking mechanism comprising a helical spring loaded element, e.g. ball
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to a steel ball spring slider type synchronizer in the technical field of automotive engineering, comprising first gear teeth, first gear engaging teeth, a synchronizer toothed ring, a synchronizer slider assembly, a plurality of first synchronizer gear sleeves, a plurality of second synchronizer gear sleeves, second gear teeth, second gear engaging teeth and a synchronizer gear hub; wherein, the first gear engaging teeth are arranged on the first gear teeth, the second gear engaging teeth are fixedly arranged on the second gear teeth, the first synchronizer gear sleeves and the second synchronizer gear sleeves are sequentially arranged at the inner side of the synchronizer gear hub side by side, the synchronizer slider assembly is arranged at the inner side of the synchronizer gear hub and is in contact with the first synchronizer gear sleeves or the second synchronizer gear sleeves, and the synchronizer toothed ring is sheathed and connected with the first gear engaging teeth and the second gear engaging teeth. The steel ball spring slider type synchronizer can facilitate the realization of stable synchronized shifting operation and improve shifting quality.
Description
Technical field
What the present invention relates to is the device in a kind of AE field, specifically is a kind of steel ball and spring block type synchronization device.
Background technique
The synchronizer gearshift is mainly used in the automotive transmission aspect, and the existing synchronizer that is used for automotive transmission adopts spring structure form or synchronizer gear sleeve stage teeth to add the structural type of ring spring mostly.Spring and synchronizer gear sleeve stage teeth add the structure of ring spring owing to all there is the simultaneous force sudden change in its synchronizing process of its structures shape, cause gearshift procedure steady inadequately.
Find through retrieval prior art, Chinese invention patent application number 94112951.9, publication number CN1123746A, put down in writing a kind of " Synchromous device of gearbox ", it mainly improves the design of speed governing copper ring in the conventional synchronizer this technology, with the intensity of increase copper ring and the capacity of synchronizer, and use helical spring to replace linear spring, to solve the problem of speed governing key discontinuity.But for face contacts, have in synchronizing process that to transmit berth-changing strength steady inadequately between the synchronizer key in the prior art and the synchronizer gear sleeve, the defective that the not high enough noise of shift quality is excessive.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of steel ball and spring block type synchronization device is provided, adopt steel ball and spring block structural type, the synchronizer key assembly is changed into line with the contact form of synchronizer gear sleeve contact, steadily do not have the sense of impact with contacting of tooth cover inclined-plane to guarantee steel ball.Spring makes steel ball be close to the synchronizer gear sleeve slide block slot to the precompression that steel ball produces in addition, eliminates the radial clearance between synchromesh gear hub and the synchronizer gear sleeve, avoids producing noise.
The present invention is achieved by the following technical solutions, the present invention includes: the first gear tooth, the first retaining soldered tooth, synchro converter ring, the synchronizer key assembly, several first synchronizer gear sleeves, several second synchronizer gear sleeves, the second gear tooth, second retaining soldered tooth and the synchromesh gear hub, wherein: the first retaining soldered tooth is fixedly set on the first gear tooth, the second retaining soldered tooth is fixedly set on the second gear tooth, several first synchronizer gear sleeves and several second synchronizer gear sleeves are set up in parallel successively in the synchromesh gear hub inboard, the synchronizer key assembly is arranged at the synchromesh gear hub inboard and contacts with first synchronizer gear sleeve or second synchronizer gear sleeve, and synchro converter ring is socketed on the first retaining soldered tooth and the second retaining soldered tooth.
The synchronizer key assembly comprises: steel ball, slider seat and sliding block spring, and wherein: steel ball is positioned at slider seat, and the position of this steel ball is right against the synchronizer gear sleeve below, and sliding block spring is positioned at slider seat steel ball below.
The length L of described synchronizer key assembly is 13mm to 15mm.
Described sliding block spring is a pressure spring, and the diameter of section of this pressure spring is 0.3mm to 0.7mm.
Described steel ball size is 4mm to 8mm.
Described slider seat is a T shape structure, this slider seat comprises: hemisphere cavity and cylindrical cavity, wherein: the hemisphere cavity is positioned at the slider seat center, one section of the lower end of hemisphere cavity and cylindrical cavity is connected, the other end sealing of cylindrical cavity, steel ball is arranged in the hemisphere cavity, and sliding block spring is arranged in the cylindrical cavity and with steel ball and contacts.
Described several first synchronizer gear sleeves and several second synchronizer gear sleeves are arranged at the inboard of synchromesh gear hub, wherein: the second synchronizer gear sleeve compartment of terrain is arranged in a crossed manner between first synchronizer gear sleeve, totally 3 of second synchronizer gear sleeves become 120 ° mutually between each second synchronizer groove.
The described second synchronizer groove is provided with symmetrical two identical shaped concave arcs, and the degree of depth h of concave arc is 1mm～2mm, and the central angle θ of concave arc is 100 °～140 °
When the speed changer Joystick spurs speed changer shifting rocking arm by drag-line mechanism, the gearshift rocking arm drives the declutch shift shaft upper shift fork, declutch shift shaft promotes synchronizer gear sleeve and drives the slide block assembly to move to the synchro converter ring direction, behind the gap of having eliminated synchronizer key assembly and synchro converter ring, promoting synchro converter ring contacts with the first retaining soldered tooth or the second retaining soldered tooth, produce friction torque, make this gear tooth be tending towards synchronous, after realizing synchronously, synchronizer gear sleeve is under the promotion of shift fork, continuation is moved to the gear tooth, by the guiding of synchro converter ring, cross synchro converter ring, once more under guiding in conjunction with tooth, enter fully in conjunction with tooth, finish synchronizer with step gear shifting work.
The present invention is improved to the line contact by synchronizer key is contacted with face between the synchronizer gear sleeve, eliminated in synchronizing process and to have transmitted berth-changing strength phenomenon stably inadequately, the mode of line contact has lowered noise that is produced when implementing and the loss that has reduced synchronizer key as far as possible simultaneously, has improved life of product.
Description of drawings
Fig. 1 is a synchromesh gear sectional drawing of the present invention;
Fig. 2 is a slide block assembly sectional drawing of the present invention;
Fig. 3 is the local enlarged diagram of synchromesh gear of the present invention;
Fig. 4 is a synchronizer gear sleeve schematic representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As Fig. 1, Fig. 2 and shown in Figure 3, present embodiment comprises: the first gear tooth 1, the first retaining soldered tooth 2, synchro converter ring 3, synchronizer key assembly 4, several first synchronizer gear sleeves 5, several second synchronizer gear sleeves 6, the second gear tooth 7, second retaining soldered tooth 8 and the synchromesh gear hub 9, wherein: the first retaining soldered tooth 2 is fixedly set on the first gear tooth 1, the second retaining soldered tooth 8 is fixedly set on the second gear tooth 7, several first synchronizer gear sleeves 5 and several second synchronizer gear sleeves 6 are set up in parallel successively in synchromesh gear hub 9 inboards, synchronizer key assembly 4 is arranged at synchromesh gear hub 9 inboards and contacts with first synchronizer gear sleeve 5 or second synchronizer gear sleeve 6, and synchro converter ring 3 is socketed on the first retaining soldered tooth 2 and the second retaining soldered tooth 8.
The gap x that described synchronizer key assembly 4 is installed back and synchro converter ring 3 is 0.65mm.
Described several first synchronizer gear sleeves 5 and several second synchronizer gear sleeves 6 are arranged at the inboard of synchromesh gear hub 9, wherein: second synchronizer gear sleeve, 6 compartment of terrains are arranged in a crossed manner between first synchronizer gear sleeve 5, totally 3 of second synchronizer gear sleeves 6 become 120 ° mutually between each second synchronizer gear sleeve 6.
As Fig. 2 and shown in Figure 4, synchronizer key assembly 4 comprises: steel ball 10, slider seat 11, sliding block spring 12, wherein: steel ball 10 is arranged in the slider seat 11, the position of this steel ball 10 is right against the below of first synchronizer gear sleeve 5 or second synchronizer gear sleeve 6, and sliding block spring 12 is arranged at steel ball 10 belows in the slider seat 11.The length L of described synchronizer key assembly 4 is 14mm; Described steel ball 10 is that the stainless steel of GGr15 is made by model, and the diameter of steel ball 10 is 5mm; The compression spiral pieces spring that described sliding block spring 12 rolls for steel wire, the diameter of section of sliding block spring 12 is 0.5mm; Make that the precompression that produces after synchronizer key assembly 4 is installed is 4.5N, ultimate pressure is 7N.
Described slider seat 11 is a T shape structure, this slider seat 11 comprises: hemisphere cavity 13 and cylindrical cavity 14, wherein: hemisphere cavity 13 is positioned at slider seat 11 centers, one section of the lower end of hemisphere cavity 13 and cylindrical cavity 14 is connected, the other end sealing of cylindrical cavity 14, steel ball 10 is arranged in the hemisphere cavity 13, and sliding block spring 12 is arranged in the cylindrical cavity 14 and with steel ball 10 and contacts.
Described second synchronizer gear sleeve 6 is provided with symmetrical two identical shaped concave arcs 15, and the degree of depth h of concave arc 15 is 1.5mm, and the central angle θ of concave arc 15 is 120 °.Mild slip and rolling between first synchronizer gear sleeve 5 or second synchronizer gear sleeve 6 and the steel ball 10 in the synchronizing process mildly promotes synchro converter ring 3 and carries out synchronized shifting work.
Present embodiment is when specific operation, promote first synchronizer gear sleeve 5 or second synchronizer gear sleeve 6 by driving gearshift rocking arm drive declutch shift shaft, driving synchronizer key assembly 4 simultaneously moves to synchro converter ring 3 directions, behind the gap x that has eliminated synchronizer key assembly 4 and synchro converter ring 3, promote the synchro converter ring 3 and the first retaining soldered tooth 2 or the second retaining soldered tooth, 8 presynchronization, when handling declutch shift shaft continuation promotion first synchronizer gear sleeve 5 or second synchronizer gear sleeve 6 to 2 motions of the first retaining soldered tooth, the concave arc 15 that second synchronizer gear sleeve 6 contacts with slider seat 11 gently pushes steel ball 10 and sliding block spring 12, thereby make synchronizer key assembly 4 gently promote synchro converter ring 3, make itself and first the retaining soldered tooth 2 synchronous, second synchronizer gear sleeve 6 is crossed synchronizer key assembly 4 and is meshed with the first retaining soldered tooth 2 or the second retaining soldered tooth 7 simultaneously, finishes gearshift work.
Claims (10)
1, a kind of steel ball and spring block type synchronization device, it is characterized in that, specifically comprise: the first gear tooth, the first retaining soldered tooth, synchro converter ring, the synchronizer key assembly, several first synchronizer gear sleeves, several second synchronizer gear sleeves, the second gear tooth, second retaining soldered tooth and the synchromesh gear hub, wherein: the first retaining soldered tooth is fixedly set on the first gear tooth, the second retaining soldered tooth is fixedly set on the second gear tooth, several first synchronizer gear sleeves and several second synchronizer gear sleeves are set up in parallel successively in the synchromesh gear hub inboard, the synchronizer key assembly is arranged at the synchromesh gear hub inboard and contacts with first synchronizer gear sleeve or second synchronizer gear sleeve, and synchro converter ring is socketed on the first retaining soldered tooth and the second retaining soldered tooth.
2, steel ball and spring block type synchronization device according to claim 1, it is characterized in that, described several first synchronizer gear sleeves and several second synchronizer gear sleeves are arranged at the inboard of synchromesh gear hub, and wherein: the second synchronizer gear sleeve compartment of terrain is arranged in a crossed manner between first synchronizer gear sleeve.
3, steel ball and spring block type synchronization device according to claim 1 is characterized in that, totally 3 of described second synchronizer gear sleeves become 120 ° mutually between each second synchronizer groove.
4, according to claim 1 or 2 or 3 described steel ball and spring block type synchronization devices, it is characterized in that, the described second synchronizer groove is provided with symmetrical two identical shaped concave arcs, and the degree of depth h of concave arc is 1mm～2mm, and the central angle θ of concave arc is 100 °～140 °.
5, steel ball and spring block type synchronization device according to claim 1, it is characterized in that, described synchronizer key assembly comprises: steel ball, slider seat and sliding block spring, wherein: steel ball is positioned at slider seat, the position of this steel ball is right against the synchronizer gear sleeve below, and sliding block spring is positioned at slider seat steel ball below.
6, steel ball and spring block type synchronization device according to claim 1 or 5 is characterized in that the length of described synchronizer key assembly is 13mm to 15mm.
7, steel ball and spring block type synchronization device according to claim 5 is characterized in that, described sliding block spring is a pressure spring, and the diameter of section of this pressure spring is 0.3mm to 0.7mm.
8, steel ball and spring block type synchronization device according to claim 7 is characterized in that, the precompression that described synchronizer key assembly is installed the back generation is 4.5N, and ultimate pressure is 7N.
9, steel ball and spring block type synchronization device according to claim 5 is characterized in that, described steel ball size is 4mm to 8mm.
10, steel ball and spring block type synchronization device according to claim 5, it is characterized in that, described slider seat is a T shape structure, this slider seat comprises: hemisphere cavity and cylindrical cavity, wherein: the hemisphere cavity is positioned at slider seat center, and one section of the lower end of hemisphere cavity and cylindrical cavity is connected, and the other end of cylindrical cavity seals, steel ball is arranged in the hemisphere cavity, and sliding block spring is arranged in the cylindrical cavity and with steel ball and contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102004143A CN101363514A (en) | 2008-09-25 | 2008-09-25 | Steel ball and spring block type synchronization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102004143A CN101363514A (en) | 2008-09-25 | 2008-09-25 | Steel ball and spring block type synchronization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101363514A true CN101363514A (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102004143A Pending CN101363514A (en) | 2008-09-25 | 2008-09-25 | Steel ball and spring block type synchronization device |
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| CN (1) | CN101363514A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956810A (en) * | 2010-10-19 | 2011-01-26 | 泰州市海博汽车科技有限公司 | Automobile synchronizer capable of reducing shifting power |
| CN101655140B (en) * | 2009-09-17 | 2011-07-20 | 上海汽车变速器有限公司 | Synchronizer with anti-extrusion integrated module |
| CN102401022A (en) * | 2010-09-10 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | Synchronizing device of transmission |
| CN102409268A (en) * | 2011-12-26 | 2012-04-11 | 莱芜钢铁集团有限公司 | Steel for automobile synchronizer and preparation method thereof |
| CN102606713A (en) * | 2012-03-30 | 2012-07-25 | 长城汽车股份有限公司 | Gear reversing synchronizing device |
| CN104047969A (en) * | 2013-03-15 | 2014-09-17 | 上海通用汽车有限公司 | Synchronizer of manual transmission and manual transmission |
| CN105221683A (en) * | 2014-06-10 | 2016-01-06 | 孙振台 | Traction drive isochronism cspeed governor and there is many live axles gearbox of this speed regulator |
| CN106246757A (en) * | 2016-10-08 | 2016-12-21 | 福州麦辽自动化设备有限公司 | A kind of controllable bidirectional coaxial clutch |
| CN107165989A (en) * | 2017-05-02 | 2017-09-15 | 重庆青山工业有限责任公司 | A kind of automobile speed variator reverse gear synchronizer |
| CN110998048A (en) * | 2017-07-19 | 2020-04-10 | 施耐德博士塑料工厂有限公司 | Locking device for a refueling or charging recess, and refueling or charging recess |
| CN111065837A (en) * | 2017-09-20 | 2020-04-24 | 麦格纳Pt有限两合公司 | Synchronization unit |
-
2008
- 2008-09-25 CN CNA2008102004143A patent/CN101363514A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655140B (en) * | 2009-09-17 | 2011-07-20 | 上海汽车变速器有限公司 | Synchronizer with anti-extrusion integrated module |
| CN102401022B (en) * | 2010-09-10 | 2016-01-20 | 通用汽车环球科技运作有限责任公司 | The synchronizer of speed changer |
| CN102401022A (en) * | 2010-09-10 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | Synchronizing device of transmission |
| CN101956810A (en) * | 2010-10-19 | 2011-01-26 | 泰州市海博汽车科技有限公司 | Automobile synchronizer capable of reducing shifting power |
| CN102409268A (en) * | 2011-12-26 | 2012-04-11 | 莱芜钢铁集团有限公司 | Steel for automobile synchronizer and preparation method thereof |
| CN102409268B (en) * | 2011-12-26 | 2014-03-12 | 莱芜钢铁集团有限公司 | Steel for automobile synchronizer and preparation method thereof |
| CN102606713A (en) * | 2012-03-30 | 2012-07-25 | 长城汽车股份有限公司 | Gear reversing synchronizing device |
| CN104047969A (en) * | 2013-03-15 | 2014-09-17 | 上海通用汽车有限公司 | Synchronizer of manual transmission and manual transmission |
| CN104047969B (en) * | 2013-03-15 | 2016-06-22 | 上海通用汽车有限公司 | The lock unit of manual transmission and manual transmission |
| CN105221683A (en) * | 2014-06-10 | 2016-01-06 | 孙振台 | Traction drive isochronism cspeed governor and there is many live axles gearbox of this speed regulator |
| CN106246757A (en) * | 2016-10-08 | 2016-12-21 | 福州麦辽自动化设备有限公司 | A kind of controllable bidirectional coaxial clutch |
| CN106246757B (en) * | 2016-10-08 | 2018-05-04 | 珠海市斯派诺电子科技有限公司 | A kind of controllable bidirectional coaxial clutch |
| CN107165989A (en) * | 2017-05-02 | 2017-09-15 | 重庆青山工业有限责任公司 | A kind of automobile speed variator reverse gear synchronizer |
| CN110998048A (en) * | 2017-07-19 | 2020-04-10 | 施耐德博士塑料工厂有限公司 | Locking device for a refueling or charging recess, and refueling or charging recess |
| CN110998048B (en) * | 2017-07-19 | 2021-10-15 | 施耐德博士塑料工厂有限公司 | Locking device for a refueling or charging recess, and refueling or charging recess |
| CN111065837A (en) * | 2017-09-20 | 2020-04-24 | 麦格纳Pt有限两合公司 | Synchronization unit |
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Open date: 20090211 |