CN204327942U - Shifter of transmission - Google Patents
Shifter of transmission Download PDFInfo
- Publication number
- CN204327942U CN204327942U CN201420808836.XU CN201420808836U CN204327942U CN 204327942 U CN204327942 U CN 204327942U CN 201420808836 U CN201420808836 U CN 201420808836U CN 204327942 U CN204327942 U CN 204327942U
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- CN
- China
- Prior art keywords
- stopper
- shift shaft
- declutch shift
- shifter
- selector fork
- 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.)
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Abstract
The utility model discloses a kind of shifter of transmission, comprise selector fork and for driving described selector fork to move back and forth to carry out the elastic force of shifting gears, the utility model can avoid coupling entering in gear process to occur to tooth, beating tooth phenomenon, thus improve coupling working life, improve shift of transmission smoothness simultaneously.
Description
Technical field
The utility model relates to speed changer part field, specifically a kind of shifter of transmission.
Background technique
Selector fork is the important neck parts in transmission control, its function drives coupling to-and-fro motion vertically thus realizes gearshift, and the driving mode of selector fork is generally and is driven it by declutch shift shaft, shift fork of the prior art generally adopts the modes such as fixing pin to be fixedly connected with between declutch shift shaft, and utilize gear-shifting rocker arm to drive declutch shift shaft to slide thus drive shift fork to move, but, be rigidly connected owing to adopting between shift fork and declutch shift shaft, make coupling usually occurring tooth with during gears meshing, beat the phenomenons such as tooth, and along with increasing gradually of Vehicle's quantity, the patency of road traffic worse and worse, further increase the operating frequency of speed changer, cause the abrasion in existing coupling serious, maintenance is frequent, considerably reduce the working life of coupling, on the other hand, this with the rigidly connected shift fork of declutch shift shaft to enter gear process comparatively jerky, enter gear comparatively difficulty.
Therefore, for overcoming the above problems, need one that coupling can be avoided to enter in gear process to occur to tooth, beating tooth phenomenon, thus improve coupling working life, improve the shifter of transmission of shift of transmission smoothness simultaneously.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, there is provided one that coupling can be avoided to enter in gear process to occur to tooth, beating tooth phenomenon, thus improve coupling working life, improve the shifter of transmission of shift of transmission smoothness simultaneously.
Shifter of transmission of the present utility model, comprises selector fork and for driving described selector fork to move back and forth to carry out the elastic force of shifting gears;
Shifter of transmission of the present utility model also comprises declutch shift shaft, and described elastic force is arranged between described declutch shift shaft and selector fork;
Further, described declutch shift shaft is provided with and carries out locking stopper assembly for sliding axially to it, and described stopper assembly comprises the stopper groove being arranged at declutch shift shaft and the stopper body that can slip into or skid off this stopper groove;
Further, described selector fork and described declutch shift shaft are slidably matched and arrange, and described elastic force comprises the spring be arranged between selector fork and declutch shift shaft;
Shifter of transmission of the present utility model also comprises the case of transmission be slidably matched with declutch shift shaft; Described case of transmission is provided with the stopper hole for installing described stopper assembly and described stopper body elasticity is supported in this stopper hole;
Further, described spring comprises the left spring and right spring that are respectively in the axial both sides of selector fork and promotes selector fork towards moving right and promoting selector fork towards moving left by this right spring by this left spring;
Further, described stopper assembly also comprises the adjusting screw coordinated with described stopper hole, and described adjusting screw is for regulating the size of stopper body elasticity support force;
Further, described stopper body is steel ball, and stopper groove is the arc groove that coordinates with this steel ball and this arc groove is axially arranged along described declutch shift shaft, is provided with stopper spring between described steel ball and adjusting screw;
Further, the degree of depth of described arc groove is less than the radius of described steel ball;
Further, also comprise the gear-shifting rocker arm reciprocatingly slided vertically for shift fork axle, described gear-shifting rocker arm one end is connected to declutch shift shaft in the mode that can radially slide along declutch shift shaft.
The beneficial effects of the utility model are: shifter of transmission of the present utility model, selector fork drives it to move back and forth by elastic force, and then drive coupling to move back and forth to realize gearshift, resilient force is passed through in movement due to selector fork, therefore, clutch collar is entering in gear process, and can effectively avoid tooth phenomenon, it is more easy and smooth-going to make into gear.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model; As shown in the figure, the shifter of transmission of the present embodiment, comprise selector fork 9 and for driving described selector fork 9 to move back and forth to carry out the elastic force of shifting gears, selector fork 9 drives it to move back and forth by elastic force, and then drives coupling 10 to move back and forth to realize gearshift, and resilient force is passed through in the movement due to selector fork 9, therefore, clutch collar is entering in gear process, and can effectively avoid tooth phenomenon, it is more easy and smooth-going to make into gear.
The shifter of transmission of the present embodiment also comprises declutch shift shaft, described elastic force is arranged between described declutch shift shaft and selector fork 9, it is outer and adopt between selector fork 9 and declutch shift shaft and be slidably connected that selector fork 9 is sheathed on declutch shift shaft, simultaneously, the elastic elements such as spring are provided with between selector fork 9 and declutch shift shaft, when shift fork axle moves vertically, the elastic force that provided by this elastic element drives selector fork 9 to move vertically, thus realizes selector fork 9 and be connected with the elasticity of declutch shift shaft.
In the present embodiment, described declutch shift shaft is provided with and carries out locking stopper assembly for sliding axially to it, described stopper assembly comprises the stopper groove 2 being arranged at declutch shift shaft and the stopper body that can slip into or skid off this stopper groove 2, when declutch shift shaft slide into predeterminated position be stopper body slip into time, stopper body can lock the slip of declutch shift shaft, thus make selector fork 9 rest on a certain gear positions, after the driving force of outer bound pair declutch shift shaft exceedes particular value, stopper body can skid off this stopper groove 2, and then the locking removed declutch shift shaft, thus realize off-gear.
In the present embodiment, described selector fork 9 is slidably matched with described declutch shift shaft and arranges, described elastic force comprises the spring be arranged between selector fork 9 and declutch shift shaft, spring can adopt one, its one end is connected to selector fork 9, and the other end is connected to declutch shift shaft, is connected with the elasticity realized between shift fork with declutch shift shaft, spring also can adopt two, makes it be respectively in shift fork both sides.
Shifter of transmission of the present utility model also comprises the case of transmission be slidably matched with declutch shift shaft; Described case of transmission is provided with the stopper hole for installing described stopper assembly and described stopper body elasticity is supported in this stopper hole, this stopper hole is connected with declutch shift shaft mounting hole, stopper body to support in this stopper hole and utilizes this elastic anchorage force to make stopper body press declutch shift shaft surface, when declutch shift shaft move to alignd with the stopper groove 2 on declutch shift shaft in stopper hole time, stopper body slips into stopper groove 2 under the promotion of elastic anchorage force makes declutch shift shaft lock, certainly, declutch shift shaft can overcome this elastic anchorage force makes stopper body skid off stopper groove 2, thus realizes off-gear.
In the present embodiment, described spring comprises the left spring 6 and right spring 8 that are respectively in the axial both sides of selector fork 9 and promotes selector fork 9 towards moving right and promoting selector fork 9 towards moving left by this right spring 8 by this left spring 6, declutch shift shaft is provided with the shaft shoulder and back-up ring 7, described left spring 6 bullet peaks between the shaft shoulder and selector fork 9, described left spring 6 bullet peaks between back-up ring 7 and selector fork 9, adopts this back-up ring 7 to be convenient to dismounting selector fork 9 and declutch shift shaft.
In the present embodiment, described stopper assembly also comprises the adjusting screw 3 coordinated with described stopper hole, described adjusting screw 3 is for regulating the size of stopper body elasticity support force, adjusting screw 3 the inner can be made to stretch into or exit stopper hole by turning adjusting screw 3, and adjusting screw 3 the inner can promote elastic element and moves thus the size regulating the elastic anchorage force suffered by stopper body, and then regulate stopper power.
In the present embodiment, described stopper body is steel ball 5, stopper groove 2 is the arc groove that coordinates with this steel ball 5 and this arc groove is axially arranged along described declutch shift shaft, stopper spring 4 is provided with between described steel ball 5 and adjusting screw 3, what adopt steel ball 5 it can be made smooth-going as stopper body slips into or skids off stopper groove 2, improves the smoothness of gearshift.
In the present embodiment, the degree of depth of described arc groove is less than the radius of described steel ball 5, and ensure after the axial force suffered by declutch shift shaft reaches particular value, steel ball 5 can skid off stopper groove 2, to realize off-gear.
In the present embodiment, also comprise the gear-shifting rocker arm 1 reciprocatingly slided vertically for shift fork axle, this gear-shifting rocker arm 1 can be articulated with on mission case, described gear-shifting rocker arm 1 one end is connected to declutch shift shaft in the mode that can radially slide along declutch shift shaft, can promote declutch shift shaft reliably move vertically by driving its rotation.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a shifter of transmission, is characterized in that: comprise selector fork and for driving described selector fork to move back and forth to carry out the elastic force of shifting gears.
2. shifter of transmission according to claim 1, is characterized in that: also comprise declutch shift shaft, described elastic force is arranged between described declutch shift shaft and selector fork.
3. shifter of transmission according to claim 2, it is characterized in that: described declutch shift shaft is provided with and carries out locking stopper assembly for sliding axially to it, and described stopper assembly comprises the stopper groove being arranged at declutch shift shaft and the stopper body that can slip into or skid off this stopper groove.
4. shifter of transmission according to claim 2, is characterized in that: described selector fork and described declutch shift shaft are slidably matched and arrange, and described elastic force comprises the spring be arranged between selector fork and declutch shift shaft.
5. shifter of transmission according to claim 3, is characterized in that: also comprise the case of transmission be slidably matched with declutch shift shaft; Described case of transmission is provided with stopper hole for installing described stopper assembly and described stopper body elasticity is supported in this stopper hole.
6. shifter of transmission according to claim 4, is characterized in that: described spring comprises the left spring and right spring that are respectively in the axial both sides of selector fork and promotes selector fork towards moving right and promoting selector fork towards moving left by this right spring by this left spring.
7. shifter of transmission according to claim 5, is characterized in that: described stopper assembly also comprises the adjusting screw coordinated with described stopper hole, and described adjusting screw is for regulating the size of stopper body elasticity support force.
8. shifter of transmission according to claim 5, it is characterized in that: described stopper body is steel ball, stopper groove is the arc groove that coordinates with this steel ball and this arc groove is axially arranged along described declutch shift shaft, is provided with stopper spring between described steel ball and adjusting screw.
9. shifter of transmission according to claim 8, is characterized in that: the degree of depth of described arc groove is less than the radius of described steel ball.
10. shifter of transmission according to claim 2, is characterized in that: also comprise the gear-shifting rocker arm reciprocatingly slided vertically for shift fork axle, and described gear-shifting rocker arm one end is connected to declutch shift shaft in the mode that can radially slide along declutch shift shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808836.XU CN204327942U (en) | 2014-12-18 | 2014-12-18 | Shifter of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808836.XU CN204327942U (en) | 2014-12-18 | 2014-12-18 | Shifter of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327942U true CN204327942U (en) | 2015-05-13 |
Family
ID=53164306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808836.XU Active CN204327942U (en) | 2014-12-18 | 2014-12-18 | Shifter of transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286821A (en) * | 2015-05-29 | 2017-01-04 | 安徽赛威机械有限公司 | A kind of shifting-fork gear-shifting assembly |
-
2014
- 2014-12-18 CN CN201420808836.XU patent/CN204327942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286821A (en) * | 2015-05-29 | 2017-01-04 | 安徽赛威机械有限公司 | A kind of shifting-fork gear-shifting assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |