CN202531818U - Fork and gear shifting shaft combined mechanism of speed changer - Google Patents
Fork and gear shifting shaft combined mechanism of speed changer Download PDFInfo
- Publication number
- CN202531818U CN202531818U CN 201220031017 CN201220031017U CN202531818U CN 202531818 U CN202531818 U CN 202531818U CN 201220031017 CN201220031017 CN 201220031017 CN 201220031017 U CN201220031017 U CN 201220031017U CN 202531818 U CN202531818 U CN 202531818U
- Authority
- CN
- China
- Prior art keywords
- fixed
- gearshift
- central plane
- fork
- combined mechanism
- 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 - Lifetime
Links
Images
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a fork and gear shifting shaft combined mechanism of a speed changer. The fork and gear shifting shaft combined mechanism of the speed changer comprises a gear-shifting shaft and a gear-shifting dialing block. The gear-shifting dialing block comprises a driving part and a concretion part. The concretion part of the gear-shifting dialing block is fixed on the gear-shifting shaft, the central plane of the driving part and the central plane of the concretion part are respectively arranged in parallel with the central plane of the gear-shifting shaft, the central plane of the driving part and the central plane of the concretion part are arranged in the same plane, and the concretion surface of an end portion of the concretion part is fixedly connected with the concretion surface of the gear-shifting shaft. The structure that the central plane of the driving part and the central plane of the concretion part are arranged in the same plane is adopted in the fork and gear shifting shaft combined mechanism of the speed changer, so that operation unbalance loading moment is reduced. Accordingly, the fork and gear shifting shaft combined mechanism of the speed changer is compact in structure and comfortable to operate, reduces manufacturing processes and material consumption, improves working efficiency, and reduces manufacturing cost.
Description
Technical field
The utility model relates to the speed changer technical field, particularly a kind of gearshift fork gearshift axle combined mechanism.
Background technique
Shifter of transmission is the important composition parts of speed changer; Usually form by selector fork and gearshift axle combining unit; Wherein gearshift axle composition element is combined by shifting block and gearshift axle, and its structure is as depicted in figs. 1 and 2, by the gearshift shifting block 1 and gearshift axle 2 fixed the forming of band bending.Wherein, gearshift shifting block 1 contains drive portion 11 and fixed 12 two-part.Drive portion 11 is the functional requirement district of gearshift shifting block 1, has depression 13, and the position is immutable, and possibly there is not coplane with the central plane 21 of gearshift axle 2 in its central plane at the Z coordinate direction, and eccentric distance is δ 1; Fixed 12 lower end surface is gearshift shifting block 1 fixed with gearshift axle 2, and with gearshift axle 2 coplane not on the Z coordinate direction, having eccentric distance is δ 2.
Shift fork gearshift axle combined mechanism is spacing by connection set in the speed changer during work, and only permission straight line on the X coordinate moves.During work, external force load F1 (or F2) drives depression 13 two sides, and gearshift axle combined mechanism moves along the X coordinate.Simultaneously, external force load F1 (or F2) need bear because the moment M1=F1 δ 2 that Z direction offset distance causes.
In the process that realizes the utility model, model utility people finds that there is following problem at least in above-mentioned existing gearshift axle composition element:
(1) there is curved shape in gearshift shifting block 1, and structure is simple inadequately, and on making, needing increases crooked stamping processes, has increased processing cost;
(2) the crooked back of gearshift shifting block 1 and being cemented on the cambered surface of gearshift axle is overlapped on the said gearshift axle because the downside of gearshift shifting block adopts, and can occupy the space of gearshift axle 2 upsides like this, possibly impact for other speed changer element structure design;
When (3) driving, there is big unbalance loading moment M1=F1 δ 2, the comfort level when having reduced operation.
The model utility content
In order to realize reducing operation unbalance loading moment, make operation more comfortable, reduce manufacturing process and materials consumption simultaneously, enhance productivity and reduce manufacture cost, the utility model provides an a kind of gearshift fork gearshift combining unit mechanism.
Said technological scheme is following:
A kind of gearshift fork gearshift axle combined mechanism; Comprise gearshift axle and gearshift shifting block; Said gearshift shifting block comprises drive portion and fixed portion; Fixed of said gearshift shifting block is fixed on the said gearshift axle; The central plane of said drive portion and said fixed central plane laterally arrange with the medial axis of said gearshift axle respectively, and the central plane of said drive portion is provided with said fixed central plane coplane, are positioned at fixed of said fixed end and are fixedly connected with said fixed of shifting gears spool.
Preferably, said gearshift shifting block is the surface plate with equal thickness, the medial axis of said gearshift axle and said fixed central plane coplane.
Further preferred, fixed of said gearshift axle is smooth outer convex surface, and fixed said fixed the outer convex surface with said gearshift axle is fixedly connected.
Preferably, said fixed fixed is plane structure.
Or preferred, said fixed fixed is the globoidal structure of convex or concave.
Or preferred, said fixed fixed for having the structure of one or more grooves.
Or preferred, said fixed fixed face is saw tooth structure.
Or preferred, said fixed fixed for having the outer male structure of groove.
The beneficial effect of the technological scheme that the utility model embodiment provides is:
(1) the gearshift shifting block adopts the central plane of its drive portion and fixed central plane coplane to be provided with; Make and be positioned at gearshift fixed of shifting block and vertically be fixed on the gearshift axle; Further dwindled the space that gearshift axle combined mechanism occupies in speed changer, for other Element Design facilitates.
(2), make central plane and fixed central plane coplane, i.e. the δ 2=δ 1 of the drive portion of gearshift shifting block through improving the structure of gearshift shifting block; (as shown in Figure 4) makes its two unbalance loading moment have identical direction; Operating total unbalance loading moment is M2=F1 δ 1 (or F1 δ 2), because the δ 1 of this moment is much smaller than δ 2 distances of the prior art, so unbalance loading moment M2 is much smaller than M1; Make operation more laborsaving, improved operation comfort.
(3) the bending structure with gearshift shifting block of the prior art changes to the surface plate structure, reduces the manufacturing process of gearshift shifting block, has reduced the materials consumption of gearshift shifting block, has reduced manufacture cost, and has improved manufacturing efficiency.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of gearshift fork gearshift axle combined mechanism structural perspective that existing technology provides;
Fig. 2 is the side structure schematic representation of Fig. 1;
Fig. 3 is the gearshift fork gearshift axle combined mechanism structural perspective that the utility model provides;
Fig. 4 is the side structure schematic representation of Fig. 3;
Fig. 5 is a fixed structural representation of fixed of gearshift shifting block.
Among the figure:
The 1-shifting block of shifting gears; The 11-drive portion; The fixed portion of 12-; The 13-depression; Fixed of fixed of 14-; The central plane that 15-is fixed; The central plane of 16-drive portion;
2-shift gears the axle; The central plane of 21-gearshift axle.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model mode of execution is done to describe in detail further below.
Relational language is explained
Speed changer, the related speed changer of the utility model are manual transmission (MT), dual-clutch transmission DCT, automatic mechanical transmission (AMT);
Selector fork: be used for the drive speed transmission synchronizer, realize speed change;
Gearshift shifting block: be welded on the gearshift axle, be used to supply external force to drive the gearshift axle;
Gearshift axle: be used for gearshift shifting block and selector fork are linked into an integrated entity;
Gearshift axle combined mechanism: gearshift shifting block (sheet metal member) is fit with the soldering group of gearshift axle (circular shaft);
The central plane of drive portion is meant and the perpendicular plane of the action plane of offset loading force on drive portion;
Fixed central plane is meant and the perpendicular plane of the action plane of offset loading force on fixed;
The central plane of gearshift axle is meant the central shaft that comprises the gearshift axle and the plane that parallels with fixed central plane.
Like Fig. 3 and shown in Figure 4; The utility model provides a kind of gearshift fork gearshift axle combined mechanism; Comprise gearshift axle 2 and gearshift shifting block 1, gearshift shifting block 1 comprise drive portion 11 with fixed 12, fixed 12 of gearshift shifting block 1 is fixed on the gearshift axle 2; The central plane 16 of drive portion laterally arranges with said central plane 21 of shifting gears axle respectively with fixed central plane 15; The central plane 16 of drive portion and fixed central plane 15 coplane settings, said fixed fixed 14 with said gearshift spools 2 fixed is fixedly connected fixed fixed 14 end that is positioned at fixed 12 here.
As shown in Figure 4; The most preferred technological scheme of the utility model is: gearshift shifting block 1 is the surface plate with equal thickness; The central plane 21 of gearshift axle and fixed central plane 15 coplanes, i.e. δ 1=0, also coplane not; Be δ 1 ≠ 0, promptly fixed central plane 15 departs from the position, medial axis of gearshift axle 2.
Wherein fixed of gearshift axle 2 is smooth outer convex surface, such as cylndrical surface, elliptic cylinder etc., and also can be for being smooth outer convex surface in whole or in part; Fixed fixed 14 is bonded on the outer convex surface of gearshift axle 2.
As shown in Figure 5; Fixed fixed 14 is that plane structure is (Fig. 5 a) or be the globoidal structure of convex or concave (Fig. 5 b, Fig. 5 c), or for the structure (Fig. 5 e, Fig. 5 f) that has one or more grooves or for laciniation (Fig. 5 g, Fig. 5 h) or be evagination and the structure that has groove (Fig. 5 d).
Above-mentioned the utility model embodiment sequence number is not represented embodiment's quality just to description.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a gearshift fork gearshift axle combined mechanism; Comprise gearshift axle and gearshift shifting block; Said gearshift shifting block comprises drive portion and fixed portion; Fixed of said gearshift shifting block is fixed on the said gearshift axle, and the central plane of said drive portion and said fixed central plane laterally arrange with said central plane of shifting gears axle respectively, it is characterized in that; The central plane of said drive portion and said fixed central plane coplane are provided with, and are positioned at fixed of said fixed end with said gearshift spool fixed and are fixedly connected.
2. gearshift fork gearshift axle combined mechanism according to claim 2 is characterized in that,
Said gearshift shifting block is the surface plate with equal thickness, the central plane of said gearshift axle and said fixed central plane coplane.
3. gearshift fork gearshift axle combined mechanism according to claim 1 and 2 is characterized in that,
Fixed of said gearshift axle is smooth outer convex surface, and fixed said fixed the outer convex surface with said gearshift axle is fixedly connected.
4. gearshift fork gearshift axle combined mechanism according to claim 3 is characterized in that,
Said fixed fixed is plane structure.
5. gearshift fork gearshift axle combined mechanism according to claim 3 is characterized in that,
Said fixed fixed is the globoidal structure of convex or concave.
6. gearshift fork gearshift axle combined mechanism according to claim 3 is characterized in that,
Said fixed fixed for having the structure of one or more grooves.
7. gearshift fork gearshift axle combined mechanism according to claim 3 is characterized in that,
Said fixed fixed face is saw tooth structure.
8. gearshift fork gearshift axle combined mechanism according to claim 3 is characterized in that,
Said fixed fixed for having the outer male structure of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220031017 CN202531818U (en) | 2012-01-31 | 2012-01-31 | Fork and gear shifting shaft combined mechanism of speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220031017 CN202531818U (en) | 2012-01-31 | 2012-01-31 | Fork and gear shifting shaft combined mechanism of speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531818U true CN202531818U (en) | 2012-11-14 |
Family
ID=47133005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220031017 Expired - Lifetime CN202531818U (en) | 2012-01-31 | 2012-01-31 | Fork and gear shifting shaft combined mechanism of speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849442A (en) * | 2014-01-09 | 2016-08-10 | 本田技研工业株式会社 | Transmission synchronizing device |
-
2012
- 2012-01-31 CN CN 201220031017 patent/CN202531818U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849442A (en) * | 2014-01-09 | 2016-08-10 | 本田技研工业株式会社 | Transmission synchronizing device |
| CN105849442B (en) * | 2014-01-09 | 2018-02-13 | 本田技研工业株式会社 | The sychronisation of speed changer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204164334U (en) | A kind of shifter of transmission | |
| CN202531818U (en) | Fork and gear shifting shaft combined mechanism of speed changer | |
| CN105952886A (en) | Hand-operated automobile transmission gear shifting mechanism | |
| CN203362880U (en) | Automobile synchronous ring | |
| CN201651179U (en) | Minibus gearbox | |
| CN201357753Y (en) | Limiting and unlocking device of automobile automatic gear shifter | |
| CN202280826U (en) | Hydraulically-controlled speed change mechanism | |
| CN202274077U (en) | Gear selecting and gear shifting control mechanism of automotive transmission | |
| CN103562602B (en) | The shift operating member of gearbox | |
| CN205047820U (en) | Double clutch automatic gearbox shift fork assembly | |
| CN101439672B (en) | Automatic locating and unlocking device of gearshift | |
| CN201963861U (en) | Interlocking mechanism for shift shafts of main box and auxiliary box of transmission | |
| CN201739491U (en) | Automotive transmission with flexible gear selection and shift | |
| CN202431949U (en) | Shifting fork mechanism for passenger car manual transmission | |
| CN201155544Y (en) | Bicycle speed changing chain inner chain mat and corresponding bicycle speed changing chain | |
| CN209354628U (en) | A kind of manual transmission gearshift | |
| CN204692511U (en) | A kind of reverse idler gear | |
| CN206904223U (en) | A kind of manual transmission shift limit mechanism | |
| CN209494916U (en) | A kind of shift fork axle assembly | |
| CN208221572U (en) | The automobile-used right shift fork of shift | |
| CN202165589U (en) | Gear-shift positioner assembly | |
| CN207005278U (en) | A kind of automobile six-speed manual transmission internal shifting shifting fork assembly mechanism | |
| CN203309087U (en) | Novel anti-abrasion shifting fork of engine transmission | |
| CN105485267B (en) | A kind of normally closed duplicate gear gearbox of clutch and its shift process control method | |
| CN204403355U (en) | Shift fork anti-out of supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI AVIATION PRECISION MACHINERY TECHNOLOGY CO., Free format text: FORMER OWNER: ZHONGHANG PRECISIVE MACHINARY SCIENCE AND TECHNOLOGY CO., LTD., HUBEI Effective date: 20130606 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130606 Address after: 441003 Hubei city of Xiangyang province high tech Zone, Road No. 8 Patentee after: Hubei Aviation Precision Machinery Technology Co., Ltd. Address before: 441003 Hubei city of Xiangyang province high tech Zone, Road No. 8 Patentee before: Zhonghang Precisive Machinary Science and Technology Co., Ltd., Hubei |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |