CN205047818U - Flexible gearshift - Google Patents
Flexible gearshift Download PDFInfo
- Publication number
- CN205047818U CN205047818U CN201520544396.6U CN201520544396U CN205047818U CN 205047818 U CN205047818 U CN 205047818U CN 201520544396 U CN201520544396 U CN 201520544396U CN 205047818 U CN205047818 U CN 205047818U
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- CN
- China
- Prior art keywords
- shift fork
- shaft
- shift
- gear
- declutch
- 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 flexible gearshift, including the declutch shift shaft and along axial sliding fit in the shift fork of declutch shift shaft, be equipped with the elastic force between declutch shift shaft and the shift fork and promote shift fork along axial reciprocating motion through this elastic force, be equipped with the elastic force between declutch shift shaft and the shift fork, the shift fork passes through its reciprocating motion of elastic force drive, and then drive clutch collar reciprocating motion shifts with the realization, the removal of shift fork promotes through the elastic force owing to shift, therefore, the clutch collar is advancing to keep off the in -process, can effectively avoid the derailleur to appear mentioning at the in -process of shifting, beat phenomenons such as tooth, it is more easy and smooth -going to make the fender.
Description
Technical field
The utility model relates to speed changer part field, specifically a kind of non-friction type conjugative component.
Background technique
Selector fork is the important neck parts in transmission control, its function drives clutch collar 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 clutch collar 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 clutch collar serious, maintenance is frequent, considerably reduce the working life of clutch collar, 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 clutch collar can be avoided to enter in gear process to occur to tooth, beating tooth phenomenon, thus improve clutch collar working life, improve the flexible gear-shifting mechanism 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 clutch collar can be avoided to enter in gear process to occur to tooth, beating tooth phenomenon, thus improve clutch collar working life, improve the flexible gear-shifting mechanism of shift of transmission smoothness simultaneously.
Flexible gear-shifting mechanism of the present utility model, comprises declutch shift shaft and slides axially and be matched with the shift fork of described declutch shift shaft; Be provided with elastic force between described declutch shift shaft and shift fork and moved back and forth vertically by this resilient force shift fork;
Further, described elastic force comprises and is connected to driving spring between described declutch shift shaft and shift fork;
Further, described elastic force comprises and being arranged on the left of shift fork for promoting left spring that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring that shift fork is moved to the left;
Flexible gear-shifting mechanism of the present utility model also comprises the housing for installing described declutch shift shaft, and described housing extends internally and formed for carrying out spacing limiting board to the movement of described shift fork;
Further, be provided with sliding bearing between described shift fork and declutch shift shaft and be slidably matched by this sliding bearing and declutch shift shaft;
Further, described housing is rotatably provided with driving shaft, the clutch collar being matched with described driving shaft in the mode of the circumferencial direction transmission that slides axially, the first gear being rotatably matched with described gearshift driving shaft and the second gear; Described clutch collar to be arranged between the first gear and the second gear and to drive it to move vertically by shift fork.
The beneficial effects of the utility model are: flexible gear-shifting mechanism of the present utility model, elastic force is provided with between declutch shift shaft and shift fork, shift fork drives it to move back and forth by elastic force, and then drive clutch collar to move back and forth to realize gearshift, movement due to selector fork is by resilient force, and therefore, clutch collar is entering in gear process, can effectively avoid speed changer to occur mentioning, beating the phenomenons such as tooth in shift process, 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; The flexible gear-shifting mechanism of the present embodiment, comprises declutch shift shaft 1 and slides axially and be matched with the shift fork 4 of described declutch shift shaft 1; Be provided with elastic force between described declutch shift shaft 1 and shift fork and moved back and forth vertically by this resilient force shift fork, the flexible gear-shifting mechanism of the present embodiment, elastic force is provided with between declutch shift shaft 1 and shift fork, shift fork drives it to move back and forth by elastic force, and then drive clutch collar 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, can effectively avoid speed changer to occur mentioning, beating the phenomenons such as tooth in shift process, it is more easy and smooth-going to make into gear.
In the present embodiment, described elastic force comprises and is connected to driving spring between described declutch shift shaft 1 and shift fork, driving spring can be placed on declutch shift shaft 1, its one end can be fixedly connected on declutch shift shaft 1, the other end is connected to shift fork, when speed changer needs gearshift, declutch shift shaft 1 moves vertically, the spring elongation driven or compression produce the interlock of elastic force shift fork, when clutch collar and gear tooth not completely in conjunction with time, the elastic force that driving spring utilizes self to produce continues to promote clutch collar and keeps off tooth and be combined, until after clutch collar combines completely, driving spring returns to free state.
In the present embodiment, described elastic force comprises and being arranged on the left of shift fork for promoting left spring 3 that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring 6 that shift fork is moved to the left, wherein, left spring 3 left end is undertaken spacing by the shaft shoulder of declutch shift shaft 1, and left spring 3 right-hand member peaks on the left of shift fork; Declutch shift shaft 1 can be arranged a snap ring on the right side of right spring 6, peak on the right side of shift fork on the left of right spring 6, when shifting gears, move right declutch shift shaft 1, and now, declutch shift shaft 1 shaft shoulder promotes left spring 3 and moves to right, promoting shift fork does flexible mobile, if now clutch collar and shelves tooth are not combined, right spring 6 linearly will promote shift fork by self-characteristic, thus the shelves toe joint trap be enclosed within shift fork and shelves tooth carry out in conjunction with complete.Left spring 3 returns to free state, in like manner utilizes right spring 6 shift fork to move to left and shifts gears, be not repeated at this.
Flexible gear-shifting mechanism of the present utility model also comprises the housing for installing described declutch shift shaft 1, described housing extends internally and is formed for carrying out spacing limiting board 2 to the movement of described shift fork, when clutch collar moves to left after keeping off tooth and being combined completely, limiting board 2 will rely on the left of colligator, prevent gearshift, be provided with the mounting hole coordinated in declutch shift shaft 1 in housing, when clutch collar moves to right after keeping off tooth and being combined completely, it is spacing that declutch shift shaft 1 will be mounted the inner, hole, prevent clutch collar from occurring gearshift to the right.
In the present embodiment, be provided with sliding bearing 5 between described shift fork and declutch shift shaft 1 and be slidably matched by this sliding bearing 5 and declutch shift shaft 1, utilizing sliding bearing 5 effectively can reduce force of sliding friction between shift fork and declutch shift shaft 1, thus reduce gearshift resistance.
In the present embodiment, the first gear 9 and the second gear 8 that described housing is rotatably provided with driving shaft 10, is matched with the clutch collar of described driving shaft 10, is rotatably matched with described gearshift driving shaft 10 in the mode of the circumferencial direction transmission that slides axially; Described clutch collar to be arranged between the first gear 9 and the second gear 8 and to drive it to move vertically by shift fork, combined cover can be driven to move axially relative to driving shaft 10 thus alternately engage with the first gear 9 and the second gear 8, to realize gearshift by shift fork.
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 (6)
1. a flexible gear-shifting mechanism, is characterized in that: comprise declutch shift shaft and slide axially and be matched with the shift fork of described declutch shift shaft; Be provided with elastic force between described declutch shift shaft and shift fork and moved back and forth vertically by this resilient force shift fork.
2. flexible gear-shifting mechanism according to claim 1, is characterized in that: described elastic force comprises and is connected to driving spring between described declutch shift shaft and shift fork.
3. flexible gear-shifting mechanism according to claim 1, is characterized in that: described elastic force comprises and being arranged on the left of shift fork for promoting left spring that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring that shift fork is moved to the left.
4. flexible gear-shifting mechanism according to claim 1, is characterized in that: also comprise the housing for installing described declutch shift shaft, and described housing extends internally and formed for carrying out spacing limiting board to the movement of described shift fork.
5. flexible gear-shifting mechanism according to claim 1, is characterized in that: be provided with sliding bearing between described shift fork and declutch shift shaft and be slidably matched by this sliding bearing and declutch shift shaft.
6. flexible gear-shifting mechanism according to claim 4, is characterized in that: described housing is rotatably provided with driving shaft, the clutch collar being matched with described driving shaft in the mode of the circumferencial direction transmission that slides axially, the first gear being rotatably matched with described gearshift driving shaft and the second gear; Described clutch collar to be arranged between the first gear and the second gear and to drive it to move vertically by shift fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544396.6U CN205047818U (en) | 2015-07-24 | 2015-07-24 | Flexible gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544396.6U CN205047818U (en) | 2015-07-24 | 2015-07-24 | Flexible gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047818U true CN205047818U (en) | 2016-02-24 |
Family
ID=55341398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520544396.6U Active CN205047818U (en) | 2015-07-24 | 2015-07-24 | Flexible gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047818U (en) |
-
2015
- 2015-07-24 CN CN201520544396.6U patent/CN205047818U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |