CN204175946U - A kind of gearshift mechanism of manual transmission - Google Patents
A kind of gearshift mechanism of manual transmission Download PDFInfo
- Publication number
- CN204175946U CN204175946U CN201420571457.3U CN201420571457U CN204175946U CN 204175946 U CN204175946 U CN 204175946U CN 201420571457 U CN201420571457 U CN 201420571457U CN 204175946 U CN204175946 U CN 204175946U
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- selector fork
- hole
- shifting block
- shifting
- fork
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Abstract
The utility model discloses a kind of gearshift mechanism of manual transmission, comprises shifting shaft (1), selector fork (2), selector fork (3) and shifting block (6); Described shift shaft (1) two ends are connected with the gear shift rod aperture of gearbox casing and can move vertically, shifting shaft is fixedly connected with selector fork (2), selector fork (2) upper end is provided with the prong (21) be connected with reversal means of shifting gears, described shifting block (6) has two, lay respectively at the inner side of two lower ends of selector fork (3), its one end is connected with synchronizer gear sleeve: described selector fork (2) and selector fork (3) are Split type structure, and described selector fork (2) lower end is connected with selector fork (3) movable upper end; Described selector fork (3) and shifting block (6) are also Split type structure, the other end of described shifting block (6) and being flexibly connected of selector fork (3).The utility model comprise travelling comfort, Security higher beneficial effect.
Description
Technical field
The utility model relates to automotive transmission, more particularly, relates to a kind of gearshift mechanism of manual transmission.
Background technique
At present, the gearshift mechanism of common a kind of manual transmission, comprises shifting shaft, selector fork, selector fork and shifting block.Shift shaft two ends are connected with the gear shift rod aperture of gearbox casing and can move vertically, and shifting shaft is fixedly connected with selector fork.Selector fork and selector fork are structure as a whole, and selector fork upper end is provided with the prong be connected with reversal means of shifting gears, and selector fork lower end is fixedly connected with the upper end of selector fork.Selector fork and shifting block are structure as a whole.Shifting block has two, and lay respectively at the inner side of two lower ends of selector fork, its one end is fixedly connected with selector fork, and the other end is connected with synchronizer gear sleeve.The gearshift mechanism of this manual transmission, because its selector fork and selector fork are structure as a whole, selector fork and shifting block are also structure as a whole, thus, when engage a gear selector fork can not adaptive synchronizer tooth cover athletic posture, make tooth cover with the state of optimum to carry out gearing movement, gear shifting force can not caused when more severe to increase, the situation of beating tooth even occurs; Hang up in the running process after gear, selector fork can not filter and cut off the vibration of gear-box axle system effectively.This vibration will conduct on gear shifting handle, and driver significantly can feel the shake of gear shifting handle.If balancing weight quality is comparatively large, the shake on gear shifting handle is more obvious, has had a strong impact on driving comfortability and gear shift travelling comfort.If shake is more serious, such as when travelling in severe road conditions, the shake of gear shifting handle even can be large enough to be enough to cause out of supply, so Security is poor, the Security of car load can not get ensureing.
Model utility content
The technical problems to be solved in the utility model is to provide the gearshift mechanism of the higher manual transmission of a kind of travelling comfort, Security.
For solving the problems of the technologies described above, the utility model takes following technological scheme;
A gearshift mechanism for manual transmission, comprises shifting shaft, selector fork, selector fork and shifting block; Described shift shaft two ends are connected with the gear shift rod aperture of gearbox casing and can move vertically, shifting shaft is fixedly connected with selector fork, selector fork upper end is provided with the prong be connected with reversal means of shifting gears, described shifting block has two, lay respectively at the inner side of two lower ends of selector fork, its one end is connected with synchronizer gear sleeve: described selector fork and selector fork are Split type structure, and described selector fork lower end is connected with selector fork movable upper end; Described selector fork and shifting block are also Split type structure, and the other end of described shifting block is flexibly connected with selector fork.
Preferably, also comprise collar, described selector fork lower end is provided with the attachment post to downward-extension, described selector fork upper end is provided with the attachment hole corresponding with attachment post, Spielpassung between described attachment post and attachment hole, described selector fork lower end adopts collar to be flexibly connected with selector fork upper end by attachment post and attachment hole, and upper collar is connected to attachment post and stretches out in the part of attachment hole.
Preferably, also comprise lower collar, two lower ends of described selector fork are respectively equipped with fixed hole, described shifting block is provided with the fixing column corresponding with the fixed hole of selector fork, the aperture of described fixed hole is greater than the diameter of fixing column, two lower ends of described selector fork adopt lower collar to be flexibly connected with one end of shifting block by fixed hole and fixing column respectively, and lower collar is connected to fixing column and stretches out in the part of fixed hole.
Preferably, also comprise locating piece, described selector fork is provided with axial pilot hole and radially loading distribution, and described shift shaft is provided with radial fit pilot hole, and described shift shaft and selector fork adopt locating piece to be fixed together by axial pilot hole, radially loading distribution and radial fit pilot hole.
Preferably, the radially loading distribution on described selector fork is pin-and-hole, and described locating piece is fixing pin, and described shift shaft and selector fork adopt fixing pin to be fixed together by axial pilot hole, pin-and-hole and radial fit pilot hole.
Preferably, the radially loading distribution on described selector fork is screw, and described locating piece is bolt, and described shift shaft and selector fork adopt bolt to be fixed together by axial pilot hole, screw and radial fit pilot hole.
Compared with prior art, the utility model comprises following beneficial effect;
Because described selector fork and selector fork are Split type structure, described selector fork lower end is connected with selector fork movable upper end; Described selector fork and shifting block are also Split type structure, and the other end of described shifting block is flexibly connected with selector fork.So selector fork can be done slightly to rotate around selector fork; Shifting block can be done slightly to rotate around selector fork.Like this, in shift process, selector fork just can adjust attitude to adapt to the instantaneous motion attitude of synchronizer gear sleeve according to stressing conditions automatically, make synchronizer gear sleeve steadily stressed in shift process, after gearshift completes, selector fork can filter and cut off again the conduct vibrations of gear-box axle system effectively on gear shifting handle, gear shifting handle would not be shaken, would not cause out of supply, thus better, the Security of car load obtains guarantee for travelling comfort, Security.
Accompanying drawing explanation
Fig. 1 is decomposing schematic representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail;
See the gearshift mechanism of Fig. 1, manual transmission of the present utility model, comprise shifting shaft 1, selector fork 2, selector fork 3 and shifting block 6; Described shift shaft 1 two ends are connected with the gear shift rod aperture of gearbox casing and can move vertically, shifting shaft is fixedly connected with selector fork 2, selector fork 2 upper end is provided with the prong 21 be connected with reversal means of shifting gears, described shifting block 6 has two, lay respectively at the inner side of two lower ends of selector fork 3, its one end is connected with synchronizer gear sleeve: as seen from Figure 1, and selector fork 2 described in the utility model is Split type structure with selector fork 3, and described selector fork 2 lower end is connected with selector fork 3 movable upper end; Described selector fork 3 is also Split type structure with shifting block 6, the other end of described shifting block 6 and being flexibly connected of selector fork 3.So, because described selector fork 2 and selector fork 3 are Split type structure, described selector fork 2 lower end is connected with selector fork 3 movable upper end; Described selector fork 3 is also Split type structure with shifting block 6, and the other end of described shifting block 6 is flexibly connected with selector fork 3.So selector fork 3 can do small size rotation around selector fork 2; Shifting block 6 can do small size rotation around selector fork 3.Like this, in shift process, selector fork 3 just can adjust attitude to adapt to the instantaneous motion attitude of synchronizer gear sleeve according to stressing conditions automatically, make synchronizer gear sleeve steadily stressed in shift process, after gearshift completes, selector fork 3 can filter and cut off again the conduct vibrations of gear-box axle system effectively on gear shifting handle, gear shifting handle would not be shaken, would not cause out of supply, thus better, the Security of car load obtains guarantee for travelling comfort, Security.
As seen from Figure 1, the utility model also comprises collar 5, described selector fork 2 lower end is provided with the attachment post 20 to downward-extension, described selector fork 3 upper end is provided with the attachment hole 30 corresponding with attachment post 20, Spielpassung between described attachment post 20 and attachment hole 30, described selector fork 2 lower end adopts collar 5 to be flexibly connected with selector fork 3 upper end by attachment post 20 and attachment hole 30, and upper collar 5 is connected to attachment post 20 and stretches out in the part of attachment hole 30.This make selector fork 2 lower end and selector fork 3 upper end be flexibly connected fairly simple easily and better effect can be played.
As seen from Figure 1, the utility model also comprises lower collar 7, two lower ends of described selector fork 3 are respectively equipped with fixed hole 50, described shifting block 6 is provided with the fixing column 60 corresponding with the fixed hole 50 of selector fork 3, the aperture of described fixed hole 50 is greater than the diameter of fixing column 60, two lower ends of described selector fork 3 adopt lower collar 7 to be flexibly connected with one end of shifting block 6 by fixed hole 50 and fixing column 60 respectively, and lower collar 7 is connected to fixing column 60 and stretches out in the part of fixed hole 50.This make two of selector fork 3 lower ends be flexibly connected with one end of shifting block 6 respectively fairly simple easily and better effect can be played.
As seen from Figure 1, the utility model also comprises locating piece 4, described selector fork 2 is provided with axial pilot hole 70 and radially loading distribution 90, described shift shaft 1 is provided with radial fit pilot hole 10, and described shift shaft 1 adopts locating piece 4 to be fixed together with selector fork 2 by axial pilot hole 70, radially loading distribution 90 and radial fit pilot hole 10.This makes being fixedly connected with than to be easier to and simple of shift shaft 1 and selector fork 2.
As seen from Figure 1, the radially loading distribution 90 on described selector fork 2 is pin-and-hole, and described locating piece 4 is fixing pin, and described shift shaft 1 adopts fixing pin to be fixed together with selector fork 2 by axial pilot hole 70, pin-and-hole and radial fit pilot hole 10.This makes being fixedly connected with more than to be easier to and simple of shift shaft 1 and selector fork 2.
Radially loading distribution 90 on described selector fork 2 also can be screw, and described locating piece 4 corresponds to bolt, and described shift shaft 1 adopts bolt to be fixed together with selector fork 2 by axial pilot hole 70, screw and radial fit pilot hole 10.This makes being fixedly connected with more than to be easier to and simple of the right-hand member of shift shaft 1 and selector fork 2 equally.
Claims (6)
1. a gearshift mechanism for manual transmission, comprises shifting shaft (1), selector fork (2), selector fork (3) and shifting block (6); Described shift shaft (1) two ends are connected with the gear shift rod aperture of gearbox casing and can move vertically, shifting shaft is fixedly connected with selector fork (2), selector fork (2) upper end is provided with the prong (21) be connected with reversal means of shifting gears, described shifting block (6) has two, lay respectively at the inner side of two lower ends of selector fork (3), its one end is connected with synchronizer gear sleeve, it is characterized in that: described selector fork (2) and selector fork (3) are Split type structure, and described selector fork (2) lower end is connected with selector fork (3) movable upper end; Described selector fork (3) and shifting block (6) are also Split type structure, and the other end of described shifting block (6) is flexibly connected with selector fork (3).
2. the gearshift mechanism of manual transmission according to claim 1, it is characterized in that: also comprise collar (5), described selector fork (2) lower end is provided with the attachment post (20) to downward-extension, described selector fork (3) upper end is provided with the attachment hole (30) corresponding with attachment post (20), Spielpassung between described attachment post (20) and attachment hole (30), described selector fork (2) lower end is flexibly connected by collar (5) on attachment post (20) and attachment hole (30) employing with selector fork (3) upper end, upper collar (5) is connected to attachment post (20) and stretches out in the part of attachment hole (30).
3. the gearshift mechanism of manual transmission according to claim 1 and 2, it is characterized in that: also comprise lower collar (7), two lower ends of described selector fork (3) are respectively equipped with fixed hole (50), described shifting block (6) is provided with the fixing column (60) corresponding with the fixed hole of selector fork (3) (50), the aperture of described fixed hole (50) is greater than the diameter of fixing column (60), two lower ends of described selector fork (3) adopt lower collar (7) to be flexibly connected with one end of shifting block (6) by fixed hole (50) and fixing column (60) respectively, lower collar (7) is connected to fixing column (60) and stretches out in the part of fixed hole (50).
4. the gearshift mechanism of manual transmission according to claim 3, it is characterized in that: also comprise locating piece (4), described selector fork (2) is provided with axial pilot hole (70) and radially loading distribution (90), described shift shaft (1) is provided with radial fit pilot hole (10), and described shift shaft (1) and selector fork (2) adopt locating piece (4) to be fixed together by axial pilot hole (70), radially loading distribution (90) and radial fit pilot hole (10).
5. the gearshift mechanism of manual transmission according to claim 4, it is characterized in that: the radially loading distribution (90) on described selector fork (2) is pin-and-hole, described locating piece (4) is fixing pin, and described shift shaft (1) and selector fork (2) adopt fixing pin to be fixed together by axial pilot hole (70), pin-and-hole and radial fit pilot hole (10).
6. the gearshift mechanism of manual transmission according to claim 4, it is characterized in that: the radially loading distribution (90) on described selector fork (2) is screw, described locating piece (4) is bolt, and described shift shaft (1) and selector fork (2) adopt bolt to be fixed together by axial pilot hole (70), screw and radial fit pilot hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571457.3U CN204175946U (en) | 2014-09-30 | 2014-09-30 | A kind of gearshift mechanism of manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571457.3U CN204175946U (en) | 2014-09-30 | 2014-09-30 | A kind of gearshift mechanism of manual transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175946U true CN204175946U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420571457.3U Active CN204175946U (en) | 2014-09-30 | 2014-09-30 | A kind of gearshift mechanism of manual transmission |
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| CN (1) | CN204175946U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107709846A (en) * | 2015-06-18 | 2018-02-16 | 五十铃自动车株式会社 | Gearshift |
| CN108644252A (en) * | 2018-07-10 | 2018-10-12 | 安徽江淮汽车集团股份有限公司 | A kind of disengaging yoke structure for preventing clutch pedal from shaking |
| CN109185454A (en) * | 2018-09-17 | 2019-01-11 | 安徽星瑞齿轮传动有限公司 | A kind of transmission reverse gear pull-fork assembly |
| CN109854738A (en) * | 2019-03-22 | 2019-06-07 | 浙江万里扬股份有限公司 | Speed changer and vehicle |
| CN111219484A (en) * | 2018-11-27 | 2020-06-02 | 宁波优耐特精密零部件有限公司 | Shifting fork structure of gearbox |
| CN113084462A (en) * | 2021-04-19 | 2021-07-09 | 吉林大华机械制造有限公司 | Preparation method of transmission gear shifting fork assembly |
| CN113118714A (en) * | 2021-04-19 | 2021-07-16 | 吉林大华机械制造有限公司 | Machining process for automobile gear shifting fork |
-
2014
- 2014-09-30 CN CN201420571457.3U patent/CN204175946U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107709846A (en) * | 2015-06-18 | 2018-02-16 | 五十铃自动车株式会社 | Gearshift |
| CN107709846B (en) * | 2015-06-18 | 2020-03-13 | 五十铃自动车株式会社 | Gear shifting device |
| CN108644252A (en) * | 2018-07-10 | 2018-10-12 | 安徽江淮汽车集团股份有限公司 | A kind of disengaging yoke structure for preventing clutch pedal from shaking |
| CN109185454A (en) * | 2018-09-17 | 2019-01-11 | 安徽星瑞齿轮传动有限公司 | A kind of transmission reverse gear pull-fork assembly |
| CN111219484A (en) * | 2018-11-27 | 2020-06-02 | 宁波优耐特精密零部件有限公司 | Shifting fork structure of gearbox |
| CN109854738A (en) * | 2019-03-22 | 2019-06-07 | 浙江万里扬股份有限公司 | Speed changer and vehicle |
| CN113084462A (en) * | 2021-04-19 | 2021-07-09 | 吉林大华机械制造有限公司 | Preparation method of transmission gear shifting fork assembly |
| CN113118714A (en) * | 2021-04-19 | 2021-07-16 | 吉林大华机械制造有限公司 | Machining process for automobile gear shifting fork |
| CN113084462B (en) * | 2021-04-19 | 2022-07-15 | 吉林大华机械制造有限公司 | Preparation method of transmission gear shifting fork assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |