CN203322240U - Transmission and gear-shifting and locating mechanism thereof - Google Patents
Transmission and gear-shifting and locating mechanism thereof Download PDFInfo
- Publication number
- CN203322240U CN203322240U CN2013203382812U CN201320338281U CN203322240U CN 203322240 U CN203322240 U CN 203322240U CN 2013203382812 U CN2013203382812 U CN 2013203382812U CN 201320338281 U CN201320338281 U CN 201320338281U CN 203322240 U CN203322240 U CN 203322240U
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- Prior art keywords
- shifting
- shaft
- gearshift
- declutch shift
- shift shaft
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Abstract
The utility model discloses a gear-shifting and locating mechanism, which is characterized in that a shifting block is sleeved on a gear-shifting shaft and is linked with the gear-shafting shaft, a shifting fork shaft is arranged below the gear-shifting shaft, a gear-shifting shifting lump is sleeved on the shifting fork shaft and is linked with the shifting fork shaft, the top of the gear-shifting shifting lump is provided with a gear-shifting fork opening matched with the shifting block in an insertion manner, the end part of the shifting fork shaft is provided with a plurality of locking grooves, the locking grooves are sequentially arranged on the peripheral surface of the shifting fork shaft along the extending direction of the axis of the shifting fork shaft, a fastening lock pin is arranged above the shifting fork shaft, the bottom of the fastening lock pin is provided with a rolling locking piece which is movably matched with the locking grooves, the moving direction of the rolling locking piece is vertical to the extending direction of the axis of the shifting fork shaft, and the middle part of the fastening lock pin is provided with an elastic compressing piece matched with the rolling locking piece. The gear-shifting and locating mechanism is good in machine matching character and small in structure wear. The utility model also discloses a transmission applying the gear-shifting and locating mechanism.
Description
Technical field
The utility model relates to speed changer transmission system technical field, particularly a kind of gearshift positioning mechanism.The utility model also relates to a kind of speed changer of this gearshift positioning mechanism of application.
Background technique
Gearshift positioning mechanism is the important composition mechanism of transmission system inside, and it can realize shift transformation and location, and, along with the improving constantly of working strength, people also have higher requirement to the usability of gearshift positioning mechanism.
In current existing gearshift positioning mechanism using process, it normally drives the shifting block rotation by shifting shaft, make shifting block drive the gearshift prong and then promote the declutch shift shaft axial motion to corresponding gear, recycling stop lock pin is locked by the position of shifting block, to reach the purpose of gearshift and location, when needs are shifted gears again, need to apply external force stop lock pin and shifting block are disengaged just and can proceed.Can meet basic user demand although there is the gearshift positioning mechanism of said structure, but because its location locking relies on the rigid clamping locking that contacts between stop lock pin and shifting block fully, easily cause wearing and tearing, and then affect working life of whole gearshift positioning mechanism, its lock position is unique simultaneously, cause its gearshift stroke unique, poor to the mechanical matching of the relevant matching mechanism such as synchronizer.
Therefore, how to improve the mechanical matching of gearshift positioning mechanism, and to reduce the wearing and tearing of its structure are important technological problems that those skilled in the art need to solve at present.
The model utility content
The purpose of this utility model is to provide a kind of gearshift positioning mechanism, and the mechanical matching of this gearshift positioning mechanism is better, and its structure wearing and tearing are less.Another purpose of the present utility model is to provide a kind of speed changer of applying above-mentioned gearshift positioning mechanism.
For solving the problems of the technologies described above, the utility model provides a kind of gearshift positioning mechanism, comprise shifting shaft, be arranged with shifting block on described shifting shaft, described shifting block and the interlock of described shifting shaft, the below of described shifting shaft is provided with declutch shift shaft, the bearing of trend of the bearing of trend of the axis of described declutch shift shaft and the axis of described shifting shaft is perpendicular, be arranged with the gearshift shifting block on described declutch shift shaft, described gearshift shifting block and the interlock of described declutch shift shaft, the top of described gearshift shifting block has the gearshift prong coordinated with described shifting block plug-in mounting;
The end of described declutch shift shaft is provided with some lock grooves, each described lock groove is arranged on the outer circumferential face of described declutch shift shaft successively along the bearing of trend of the axis of described declutch shift shaft, the top of described declutch shift shaft is provided with the stop lock pin, the bottom of described stop lock pin is provided with the rolling locking body suitable with described lock groove movably, the bearing of trend of the movement direction of described rolling locking body and the axis of described declutch shift shaft is perpendicular, and the middle part of described stop lock pin is provided with the elastic pressed piece matched with described rolling locking body.
Preferably, described rolling locking body is steel ball.
Preferably, described elastic pressed piece is Compress Spring.
The utility model also provides a kind of speed changer, comprises gearshift positioning mechanism, and described gearshift positioning mechanism is specially gearshift positioning mechanism as described as above-mentioned any one.
Relative above-mentioned background technology, gearshift positioning mechanism provided by the utility model, comprise shifting shaft, be arranged with shifting block on described shifting shaft, described shifting block and the interlock of described shifting shaft, the below of described shifting shaft is provided with declutch shift shaft, the bearing of trend of the bearing of trend of the axis of described declutch shift shaft and the axis of described shifting shaft is perpendicular, be arranged with the gearshift shifting block on described declutch shift shaft, described gearshift shifting block and the interlock of described declutch shift shaft, the top of described gearshift shifting block has the gearshift prong coordinated with described shifting block plug-in mounting; The end of described declutch shift shaft is provided with some lock grooves, each described lock groove is arranged on the outer circumferential face of described declutch shift shaft successively along the bearing of trend of the axis of described declutch shift shaft, the top of described declutch shift shaft is provided with the stop lock pin, the bottom of described stop lock pin is provided with the rolling locking body suitable with described lock groove movably, the bearing of trend of the movement direction of described rolling locking body and the axis of described declutch shift shaft is perpendicular, and the middle part of described stop lock pin is provided with the elastic pressed piece matched with described rolling locking body.In working procedure, can be suitable by the described lock groove of described stop lock pin and diverse location, adjust flexibly the gearshift stroke of described gearshift positioning mechanism, can be complementary to the relevant counterparts such as synchronizer of different size, simultaneously, the described rolling locking body that can vertically move and the elastic pressed piece matched with it can effectively be avoided rigid contact the between described stop lock pin and described declutch shift shaft, make its operating process more smooth and easy comfortable, and the structure that reduces the critical piece of described shifting lock locking mechanism is worn and torn, thereby be able to corresponding prolongation the working life that makes described shifting lock locking mechanism.
In another preferred version of the present utility model, described rolling locking body is steel ball.In working procedure, this steel ball can further avoid described stop lock pin to contact with the rigidity between described lock groove, thereby makes the structure wearing and tearing of described gearshift positioning mechanism be able to further reduction, and makes its whole service life be able to corresponding prolongation.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The assembly structure schematic diagram of the gearshift positioning mechanism that Fig. 1 provides for a kind of embodiment of the utility model.
Embodiment
Core of the present utility model is to provide a kind of gearshift positioning mechanism, and the mechanical matching of this gearshift positioning mechanism is better, and its structure wearing and tearing are less; Simultaneously, provide a kind of speed changer of applying above-mentioned gearshift positioning mechanism.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the assembly structure schematic diagram of the gearshift positioning mechanism that Fig. 1 provides for a kind of embodiment of the utility model.
In embodiment, gearshift positioning mechanism provided by the utility model, comprise shifting shaft 11, be arranged with shifting block 12 on shifting shaft 11, shifting block 12 and shifting shaft 11 interlocks, the below of shifting shaft 11 is provided with declutch shift shaft 13, the bearing of trend of the axis of the bearing of trend of the axis of declutch shift shaft 13 and shifting shaft 11 is perpendicular, be arranged with gearshift shifting block 14 on declutch shift shaft 13, gearshift shifting block 14 and declutch shift shaft 13 interlocks, the top of gearshift shifting block 14 has the gearshift prong 141 coordinated with shifting block 12 plug-in mountings; The end of declutch shift shaft 13 is provided with some lock grooves 131, each lock groove 131 is arranged on the outer circumferential face of declutch shift shaft 13 successively along the bearing of trend of the axis of declutch shift shaft 13, the top of declutch shift shaft 13 is provided with stop lock pin 15, the bottom of stop lock pin 15 is provided with the rolling locking body 151 suitable with lock groove 131 movably, the bearing of trend of the axis of the movement direction of rolling locking body 151 and declutch shift shaft 13 is perpendicular, and the middle part of stop lock pin 15 is provided with the elastic pressed piece 152 matched with the locking body 151 that rolls.In working procedure, can be suitable with the lock groove 131 of diverse location by stop lock pin 15, adjust flexibly the gearshift stroke of described gearshift positioning mechanism, can be complementary to the relevant counterparts such as synchronizer of different size, simultaneously, the rolling locking body 151 that can vertically move and the elastic pressed piece 152 matched with it can effectively be avoided rigid contact of 13 of stop lock pin 15 and declutch shift shafts, make its operating process more smooth and easy comfortable, and the structure that reduces the critical piece of described shifting lock locking mechanism is worn and torn, thereby be able to corresponding prolongation the working life that makes described shifting lock locking mechanism.
It should be pointed out that above-mentioned lock groove 131 is not limited to 3 shown in figure, all can so long as can meet the actual use needs of described gearshift positioning mechanism.
Further, rolling locking body 151 is steel ball.In working procedure, this steel ball can further avoid the rigidity of 131 of stop lock pin 15 and lock grooves to contact, thereby makes the structure wearing and tearing of described gearshift positioning mechanism be able to further reduction, and makes its whole service life be able to corresponding prolongation.
Should be clear and definite, above-mentioned rolling locking body 151 is that steel ball is only preferred version, this rolling locking body 151 is not limited to the steel ball shown in figure, so long as can meet the actual use needs of described gearshift positioning mechanism, all can.
More specifically, elastic pressed piece 152 is Compress Spring.Certainly, this elastic pressed piece 152 is that Compress Spring is only preferred version, and it is not limited to the Compress Spring shown in figure, so long as can meet the actual use needs of described gearshift positioning mechanism, all can.
In embodiment, speed changer provided by the utility model, comprise gearshift positioning mechanism, and described gearshift positioning mechanism is specially as the described gearshift positioning mechanism of each embodiment above.The mechanical matching of the gearshift positioning mechanism of described speed changer is better, and its structure wearing and tearing are less.
In summary, the gearshift positioning mechanism provided in the utility model, comprise shifting shaft, be arranged with shifting block on described shifting shaft, described shifting block and the interlock of described shifting shaft, the below of described shifting shaft is provided with declutch shift shaft, the bearing of trend of the bearing of trend of the axis of described declutch shift shaft and the axis of described shifting shaft is perpendicular, be arranged with the gearshift shifting block on described declutch shift shaft, described gearshift shifting block and the interlock of described declutch shift shaft, the top of described gearshift shifting block has the gearshift prong coordinated with described shifting block plug-in mounting; The end of described declutch shift shaft is provided with some lock grooves, each described lock groove is arranged on the outer circumferential face of described declutch shift shaft successively along the bearing of trend of the axis of described declutch shift shaft, the top of described declutch shift shaft is provided with the stop lock pin, the bottom of described stop lock pin is provided with the rolling locking body suitable with described lock groove movably, the bearing of trend of the movement direction of described rolling locking body and the axis of described declutch shift shaft is perpendicular, and the middle part of described stop lock pin is provided with the elastic pressed piece matched with described rolling locking body.In working procedure, can be suitable by the described lock groove of described stop lock pin and diverse location, adjust flexibly the gearshift stroke of described gearshift positioning mechanism, can be complementary to the relevant counterparts such as synchronizer of different size, simultaneously, the described rolling locking body that can vertically move and the elastic pressed piece matched with it can effectively be avoided rigid contact the between described stop lock pin and described declutch shift shaft, make its operating process more smooth and easy comfortable, and the structure that reduces the critical piece of described shifting lock locking mechanism is worn and torn, thereby be able to corresponding prolongation the working life that makes described shifting lock locking mechanism.
In addition, the speed changer of the above-mentioned gearshift positioning mechanism of application provided by the utility model, the mechanical matching of its gearshift positioning mechanism is better, and its structure wearing and tearing are less.
Above gearshift positioning mechanism provided by the utility model and the speed changer of applying this gearshift positioning mechanism are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (4)
1. a gearshift positioning mechanism, comprise shifting shaft, be arranged with shifting block on described shifting shaft, described shifting block and the interlock of described shifting shaft, it is characterized in that: the below of described shifting shaft is provided with declutch shift shaft, and the bearing of trend of the bearing of trend of the axis of described declutch shift shaft and the axis of described shifting shaft is perpendicular, is arranged with the gearshift shifting block on described declutch shift shaft, described gearshift shifting block and the interlock of described declutch shift shaft, the top of described gearshift shifting block has the gearshift prong coordinated with described shifting block plug-in mounting;
The end of described declutch shift shaft is provided with some lock grooves, each described lock groove is arranged on the outer circumferential face of described declutch shift shaft successively along the bearing of trend of the axis of described declutch shift shaft, the top of described declutch shift shaft is provided with the stop lock pin, the bottom of described stop lock pin is provided with the rolling locking body suitable with described lock groove movably, the bearing of trend of the movement direction of described rolling locking body and the axis of described declutch shift shaft is perpendicular, and the middle part of described stop lock pin is provided with the elastic pressed piece matched with described rolling locking body.
2. gearshift positioning mechanism as claimed in claim 1, it is characterized in that: described rolling locking body is steel ball.
3. gearshift positioning mechanism as claimed in claim 1, it is characterized in that: described elastic pressed piece is Compress Spring.
4. a speed changer, comprise gearshift positioning mechanism, it is characterized in that: described gearshift positioning mechanism is specially gearshift positioning mechanism as claimed any one in claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203382812U CN203322240U (en) | 2013-06-13 | 2013-06-13 | Transmission and gear-shifting and locating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203382812U CN203322240U (en) | 2013-06-13 | 2013-06-13 | Transmission and gear-shifting and locating mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322240U true CN203322240U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203382812U Expired - Lifetime CN203322240U (en) | 2013-06-13 | 2013-06-13 | Transmission and gear-shifting and locating mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671872A (en) * | 2013-12-27 | 2014-03-26 | 北京理工华创电动车技术有限公司 | Electric control mechanical shift actuator of electric 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 |
| CN111946815A (en) * | 2019-05-17 | 2020-11-17 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission |
-
2013
- 2013-06-13 CN CN2013203382812U patent/CN203322240U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671872A (en) * | 2013-12-27 | 2014-03-26 | 北京理工华创电动车技术有限公司 | Electric control mechanical shift actuator of electric vehicle |
| CN103671872B (en) * | 2013-12-27 | 2016-08-17 | 北京理工华创电动车技术有限公司 | A kind of electric control mechanical shift actuator of electric 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 |
| CN111946815A (en) * | 2019-05-17 | 2020-11-17 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission |
| CN111946815B (en) * | 2019-05-17 | 2024-03-01 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |