CN107166027A - Shifting fork gear-shifting mechanism - Google Patents
Shifting fork gear-shifting mechanism Download PDFInfo
- Publication number
- CN107166027A CN107166027A CN201710409208.2A CN201710409208A CN107166027A CN 107166027 A CN107166027 A CN 107166027A CN 201710409208 A CN201710409208 A CN 201710409208A CN 107166027 A CN107166027 A CN 107166027A
- Authority
- CN
- China
- Prior art keywords
- shift fork
- shifting
- axle
- fork
- gear
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
-
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/322—Gear shift yokes, e.g. shift forks characterised by catches or notches for moving the fork
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a kind of shifting fork gear-shifting mechanism, including shift fork axle and the shift fork for being snug fit at the shift fork axle；The shift fork axle can be connected in the shift fork and shifted gears so as to drive shift fork to move back and forth vertically by rotating about the axis, a shift fork axle in the gearshift can the multiple shift forks of independent control acted, and then the structure of shifter of transmission is simplified, reduce the production cost of transmission assembly.
Description
Technical field
The present invention relates to speed changer field, specifically a kind of shifting fork gear-shifting mechanism.
Background technology
Shifting fork gear-shifting mechanism is a kind of common shifter of transmission, and it generally includes shift fork and shift fork axle, and shift fork is used
It is existing in the gearshift engagement members such as the synchronizer in speed changer and driving synchronizer to move back and forth vertically to complete gear shifting action
In some shifting fork gear-shifting mechanisms, shift fork is generally fixedly connected with shift fork axle, and shift of transmission control stick can drive shift fork axle reciprocal
In mobile and then drive shift fork action, the gearshift of this structure, when being moved in shift fork axle, all shift forks in shift fork axle are all
It will act therewith, therefore, for the multiple shift fork actions of independent control, it is necessary to correspond and set multiple shifting shafts, this knot
Structure can undoubtedly greatly increase the complexity of shifter of transmission, be unfavorable for realizing the miniaturization of many speed transmissions.
Therefore, be solve problem above, it is necessary to which a shift fork axle in a kind of shifting fork gear-shifting mechanism, the gearshift can
The multiple shift forks of independent control are acted, and then simplify the structure of shifter of transmission, reduce the production of transmission assembly
Cost.
The content of the invention
In view of this, the purpose of the present invention is to overcome defect of the prior art there is provided a kind of shifting fork gear-shifting mechanism, and this is changed
A shift fork axle in retaining device can the multiple shift forks of independent control acted, and then simplify the knot of shifter of transmission
Structure, reduces the production cost of transmission assembly.
The shifting fork gear-shifting mechanism of the present invention, including shift fork axle and the shift fork for being snug fit at the shift fork axle；The shift fork
Axle can be connected in the shift fork and shifted gears so as to drive shift fork to move back and forth vertically by rotating about the axis；
Further, the shift fork is provided with neck, and the shift fork axle is provided with the fixture block that can coordinate with the neck；
Further, the shift fork includes sliding outer cover in the cylinder of the shift fork axle and is fixed on the cylindrical use of the cylinder
In the shift fork body with engagement members of shifting gears, the cylinder lateral wall is provided with the opening for stretching out fixture block, and the neck is circumferentially
In the inner circle for being arranged at the cylinder；
Further, the fixture block is the bayonet lock that the shift fork axle is arranged at along footpath；
Further, the opening is the fan-shaped groove for being axially disposed at the cylinder lateral wall；
Further, cylindrical be provided with of the cylinder is used to make the insertion of stopper body to lock the stopper groove of shift fork axial location；
Further, the shift fork is multiple, and the bayonet lock is corresponded with the shift fork sets multiple；
Further, multiple bayonet locks circumferentially uniformly stagger along shift fork axle；
Further, the shift fork body of the adjacent shift fork is coplanar is set.
The beneficial effects of the invention are as follows：The present invention shifting fork gear-shifting mechanism, be slidably matched between shift fork and shift fork axle, when dial
When fork shaft is around axis rotation, shift fork axle clamping and shift fork can be made, so that shift fork axle drives shift fork movement to be shifted gears, this hair
In bright, shift fork can be set multiple, and multiple shift forks are slidably fitted in shift fork axle, the clamping position between each shift fork and shift fork axle
Difference is put, so as to by controlling the swing offset amount of shift fork axle and then selecting shift fork axle and some shift fork to realize clamping,
Therefore, a shift fork axle in this gearshift can by around axis rotation and then selection and different shift fork clampings so that
The multiple shift forks of independent control are acted, and can simplify the structure of shifter of transmission, reduce being produced into for transmission assembly
This.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the shift fork axle of the present invention；
Fig. 3 is sectional view of the invention.
Embodiment
Fig. 1 is structural representation of the invention；Fig. 2 is the structural representation of the shift fork axle 5 of the present invention；Fig. 3 is the present invention
Sectional view, as illustrated, the shifting fork gear-shifting mechanism of the present embodiment, including shift fork axle 5 and be rotatably assorted in the shift fork axle 5
Shift fork；The shift fork axle 5 can be connected in the shift fork and shift fork can be driven to move back and forth vertically by rotating about the axis；This hair
In bright, shift fork can be provided with multiple, and multiple shift forks are slidably fitted in shift fork axle 5, the clamping between each shift fork and shift fork axle 5
Position is different, so as to be blocked by controlling the swing offset amount of shift fork axle 5 and then selecting shift fork axle 5 to be realized with some shift fork
Connect, therefore, a shift fork axle 5 in this gearshift can by around axis rotation and then selection and different shift fork clampings,
So as to which the multiple shift forks of independent control are acted, the structure of shifter of transmission can be simplified, the life of transmission assembly is reduced
Produce cost.
In the present embodiment, the shift fork is provided with neck, and the shift fork axle 5 is provided with the card that can coordinate with the neck
Block, neck should be circumferentially arranged, it is ensured that shift fork axle 5 can make fixture block be caught in the neck by rotation, or make fixture block and neck
Separation.
In the present embodiment, the shift fork includes sliding outer cover in the cylinder 3 of the shift fork axle 5 and is fixed on the cylinder
The 3 cylindrical shift fork bodies 4 for engagement members of shifting gears, the side wall of cylinder 3 is provided with the opening for stretching out fixture block, the card
Groove is circumferentially arranged in the inner circle of the cylinder 3, and when the fixture block in shift fork axle 5 stretches out from opening, shift fork can be vertically
Relative to shift fork axle 5 slidably, now shift fork axle 5 can not drive shift fork to act, when the rotation of shift fork axle 5 makes fixture block embedding from opening
After the neck for entering the inner circle of cylinder 3, shift fork axle 5 can drive shift fork to move back and forth and be shifted gears by fixture block, when shift fork axle 5 is inverted
Or continuing rotation makes fixture block skid off after neck, shift fork axle 5 completes to separate with shift fork, and the circumferential position of fixture block is different, and shift fork axle 5 is blocked
The anglec of rotation needed for connecing is also different, therefore, and the anglec of rotation of control shift fork axle 5 may be selected to engage from different shift forks.
In the present embodiment, the fixture block is the fixture block 6 that the shift fork axle 5 is arranged at along footpath, and fixture block 6 extends radially through shift fork
Axle 5, the fixture block 6 of the present embodiment is square column structure, and its seamed edge reduces resistance when fixture block 6 is caught in neck by arc transition
Power, it is ensured that fixture block 6 can smoothly be caught in neck.
In the present embodiment, the opening is the fan-shaped groove 1 for being axially disposed at the side wall of cylinder 3, when fixture block 6 is passed through
The fan-shaped groove 1 and when being rotated in the fan angle where groove 1, shift fork axle 5 is separated with shift fork, and shift fork axle 5 can not drive
Shift fork is acted, and now, when shift fork axle 5 is axially moveable, fixture block 6 is axially moveable in fan-shaped groove 1.
In the present embodiment, cylindrical be provided with of the cylinder 3 is used to make the insertion of stopper body to lock stopper of the shift fork axle 5 to position
In groove 2, transmission case body can the lock body of elastic connection one (be usually spring steel ball structure), when shift fork is moved to drive range
When, lock body embedded stopper groove 2 under the promotion of elastic force is realized in stopper, the present embodiment, is all provided with each cylinder 3 is cylindrical
There are three road stopper grooves 2, left position, middle position and the right position of gearshift fastener are corresponded to respectively.
In the present embodiment, the shift fork is four, and the fixture block 6 corresponds with the shift fork and sets four, therefore, this
One shift fork axle 5 of embodiment can be while four shift forks movements of independent control be shifted gears.
In the present embodiment, four fixture blocks 6 uniformly stagger along shift fork axle 5 is circumferential, the neck institute in the inner circle of shift fork cylinder 3
To central angle be 90 °, therefore, shift fork axle 5 is often rotated by 90 °, and the clamping of shift fork axle 5 and shift fork, shift fork axle 5 rotate a circle,
Shift fork axle 5 realizes clamping with four shift forks successively.
In the present embodiment, the shift fork body 4 of the adjacent shift fork is coplanar to be set, and the gearshift of the present embodiment is useful in three
In axis transmission, three-axle speed variator has the power input shaft and two power output shafts being parallel to each other, and power is defeated
Enter between axle and two power output shafts by multigroup power shift gear pair, gearshift engagement is equipped with two power output shafts
Part, for compact Layout, the gearshift fastener on two power output shafts is generally oppositely arranged (i.e. axial location is identical), in order to
Adapt to the coplanar setting of shift fork body 4 of two adjacent shift forks in the speed changer of this structure, this gearshift, the two shift forks
Body 4 can be engaged with two gearshifts being oppositely arranged set up separately on the output shaft of three-axle speed variator first and the second output shaft
Part coordinates.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (9)
1. a kind of shifting fork gear-shifting mechanism, it is characterised in that：Including shift fork axle and the shift fork for being snug fit at the shift fork axle；It is described
Shift fork axle can be connected in the shift fork and shifted gears so as to drive shift fork to move back and forth vertically by rotating about the axis.
2. shifting fork gear-shifting mechanism according to claim 1, it is characterised in that：The shift fork is provided with neck, the shift fork
Axle is provided with the fixture block that can coordinate with the neck.
3. shifting fork gear-shifting mechanism according to claim 2, it is characterised in that：The shift fork includes sliding outer cover in described group
The cylinder of fork shaft and it is fixed on that the cylinder is cylindrical to be used for the shift fork body with shifting gears engagement members, the cylinder lateral wall sets
There is the opening for stretching out fixture block, the neck is circumferentially arranged in the inner circle of the cylinder.
4. shifting fork gear-shifting mechanism according to claim 2, it is characterised in that：The fixture block is to be arranged at the shift fork along footpath
The bayonet lock of axle.
5. shifting fork gear-shifting mechanism according to claim 3, it is characterised in that：The opening is to be axially disposed at the cylinder
The fan-shaped groove of body sidewall.
6. shifting fork gear-shifting mechanism according to claim 3, it is characterised in that：Cylindrical be provided with of the cylinder is used to make stopper body
The embedded stopper groove to lock shift fork axial location.
7. shifting fork gear-shifting mechanism according to claim 4, it is characterised in that：The shift fork is multiple, the bayonet lock and institute
State shift fork one-to-one corresponding and set multiple.
8. shifting fork gear-shifting mechanism according to claim 7, it is characterised in that：Multiple bayonet locks are circumferentially uniform along shift fork axle
Stagger.
9. shifting fork gear-shifting mechanism according to claim 7, it is characterised in that：The shift fork body of the adjacent shift fork is coplanar to be set
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710409208.2A CN107166027A (en) | 2017-06-02 | 2017-06-02 | Shifting fork gear-shifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710409208.2A CN107166027A (en) | 2017-06-02 | 2017-06-02 | Shifting fork gear-shifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107166027A true CN107166027A (en) | 2017-09-15 |
Family
ID=59824598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710409208.2A Pending CN107166027A (en) | 2017-06-02 | 2017-06-02 | Shifting fork gear-shifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166027A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931396A (en) * | 2017-12-15 | 2019-06-25 | 约翰迪尔（天津）有限公司 | Gearbox-gear adjustment mechanism, gearbox, speed change system and tractor |
| WO2020025282A1 (en) * | 2018-07-30 | 2020-02-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Shift mechanism for a gearbox |
| CN113323899A (en) * | 2021-06-02 | 2021-08-31 | 浙江吉利控股集团有限公司 | Bilateral air quantity adjustable fan and air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332490A (en) * | 1994-06-10 | 1995-12-22 | Aisin Ee I Kk | Shift control mechanism for manual transmission |
| JP2004197843A (en) * | 2002-12-18 | 2004-07-15 | Fuji Heavy Ind Ltd | Shift control mechanism for manual transmission |
| CN102588581A (en) * | 2012-02-28 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Gear-changing control device of automobile |
| CN103244666A (en) * | 2013-05-27 | 2013-08-14 | 陕西法士特齿轮有限责任公司 | Transmission gear shifting operation mechanism |
| CN204512403U (en) * | 2015-04-10 | 2015-07-29 | 唐山弘基传动科技有限公司 | A kind of selector fork |
| JP2017082952A (en) * | 2015-10-29 | 2017-05-18 | マツダ株式会社 | Gear shifting mechanism of manual transmission |
| CN206770581U (en) * | 2017-06-02 | 2017-12-19 | 重庆隆旺机电有限责任公司 | Compact shifting fork gear-shifting mechanism |
-
2017
- 2017-06-02 CN CN201710409208.2A patent/CN107166027A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332490A (en) * | 1994-06-10 | 1995-12-22 | Aisin Ee I Kk | Shift control mechanism for manual transmission |
| JP2004197843A (en) * | 2002-12-18 | 2004-07-15 | Fuji Heavy Ind Ltd | Shift control mechanism for manual transmission |
| CN102588581A (en) * | 2012-02-28 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Gear-changing control device of automobile |
| CN103244666A (en) * | 2013-05-27 | 2013-08-14 | 陕西法士特齿轮有限责任公司 | Transmission gear shifting operation mechanism |
| CN204512403U (en) * | 2015-04-10 | 2015-07-29 | 唐山弘基传动科技有限公司 | A kind of selector fork |
| JP2017082952A (en) * | 2015-10-29 | 2017-05-18 | マツダ株式会社 | Gear shifting mechanism of manual transmission |
| CN206770581U (en) * | 2017-06-02 | 2017-12-19 | 重庆隆旺机电有限责任公司 | Compact shifting fork gear-shifting mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 陈德军: "变速器拨叉执行机构的集成设计", 《现代零部件》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931396A (en) * | 2017-12-15 | 2019-06-25 | 约翰迪尔（天津）有限公司 | Gearbox-gear adjustment mechanism, gearbox, speed change system and tractor |
| CN109931396B (en) * | 2017-12-15 | 2022-05-17 | 约翰迪尔（天津）有限公司 | Gear adjusting mechanism of gearbox, speed changing system and tractor |
| WO2020025282A1 (en) * | 2018-07-30 | 2020-02-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Shift mechanism for a gearbox |
| CN113323899A (en) * | 2021-06-02 | 2021-08-31 | 浙江吉利控股集团有限公司 | Bilateral air quantity adjustable fan and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |