CN211449620U - Transmission interlocking mechanism - Google Patents
Transmission interlocking mechanism Download PDFInfo
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- CN211449620U CN211449620U CN201922452492.9U CN201922452492U CN211449620U CN 211449620 U CN211449620 U CN 211449620U CN 201922452492 U CN201922452492 U CN 201922452492U CN 211449620 U CN211449620 U CN 211449620U
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- shaft
- interlocking
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- shifting fork
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Abstract
The utility model relates to a derailleur field, concretely relates to derailleur interlocking mechanism, including locking unit and interlocking axle, the interlocking axle is perpendicular with main declutch shift axle, is equipped with the spacing groove on the periphery of main declutch shift axle, and the epaxial stopper that is equipped with of interlocking, the locking unit can block the spacing groove and pull out the spacing groove with the stopper card. When the technical scheme is adopted, a driver can directly know whether the auxiliary box shifts.
Description
Technical Field
The utility model relates to a derailleur field, concretely relates to derailleur interlocking mechanism.
Background
The multi-gear box adopts a structure of a main box and an auxiliary box, and if six gears of the main box and two gears of the auxiliary box are added, a twelve-gear transmission box is formed. The driver can drive main declutch shift shaft and main shift fork through controlling the handle of shifting and move and drive the synchronous ware and remove and realize the main tank and shift gears, perception main tank condition of shifting gears when controlling the handle of shifting gears, and vice case is shifted gears and is realized through the cylinder, and the driver only needs to control the pneumatic valve switch and just can drive vice declutch shift shaft and vice shift fork removal and drive the synchronous ware and remove and realize vice case and shift gears, but can not the perception vice case and shift gears. If the auxiliary box can not be shifted, even if the driver shifts gears through the shifting handle to realize the main box, the gearbox can not transmit the rotating speed and the torque, and even can destroy the auxiliary box.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a restriction main tank interlocking structure that shifts when vice case shifts.
In order to achieve the above object, the technical scheme of the utility model provide a derailleur interlocking mechanism, including vice shift fork, still include locking unit and interlocking axle, the interlocking axle is perpendicular with main shift fork axle, is equipped with the spacing groove on the periphery of main shift fork axle, and the epaxial stopper that is equipped with of interlocking, the locking unit can block the spacing groove and pull out the spacing groove with the stopper card.
The technical effect of the scheme is as follows: when the auxiliary box is in gear, the auxiliary box shifting fork shaft moves along the axial direction of the auxiliary box, the locking unit clamps the limiting block on the interlocking shaft into the limiting groove, and the limiting block can prevent the main shifting fork shaft from sliding along the axial direction of the main shifting fork shaft, so that the action of the main shifting fork shaft is avoided; when the auxiliary box is completely engaged, the limiting block on the interlocking shaft slides out of the limiting groove under the action of the locking unit, and the main shifting fork shaft can slide along the axial direction of the main shifting fork shaft; therefore, the main box does not perform gear shifting action when the auxiliary box is shifted, and the auxiliary box is prevented from being damaged.
Furthermore, an ejector rod is fixed on the auxiliary shifting fork and is parallel to the main shifting fork shaft. The technical effect of the scheme is as follows: the ejector rod is directly fixed on the auxiliary shifting fork, and the auxiliary shifting fork shaft does not need to penetrate through the auxiliary shifting fork, so that the production is convenient.
Furthermore, the locking unit comprises a spring and a locking chute, the locking chute is arranged on the ejector rod, the spring is arranged at one end of the interlocking shaft, and the other end of the interlocking shaft can be in contact with the circumferential surface of the ejector rod or is positioned in the locking chute; the periphery of the main shifting fork shaft is provided with a limiting groove, the interlocking shaft is provided with a limiting block, and the limiting block and the limiting groove are close to one side of the spring. The technical effect of the scheme is as follows: when the auxiliary box is in gear, the ejector rod moves along the axial direction of the ejector rod, and under the action of the spring, the interlocking shaft slides into the locking chute from the contact with the circumferential surface of the ejector rod, so that the limiting block is clamped into the limiting groove, and the action of the main shifting fork shaft is avoided.
Furthermore, the locking unit comprises a first rack, a second rack and a gear column, the first rack is fixedly connected with the interlocking shaft, the second rack is fixedly connected with the ejector rod, and the first rack and the second rack are both meshed with the gear column; two opposite limiting grooves are arranged on the circumferential surface of the main shifting fork shaft, and two limiting blocks are arranged on the interlocking shaft. The technical effect of the scheme is as follows: when the auxiliary box is in gear, the ejector rod moves along the axial direction of the auxiliary box, so that the gear column is driven to rotate through the second rack, the first rack and the interlocking shaft are driven to move, the limiting block is clamped into the limiting groove, and the action of the main shifting fork shaft is avoided; when the auxiliary shifting fork is in the middle position, the limiting blocks are separated from the limiting grooves, when the auxiliary shifting fork moves left and right under the action of the auxiliary shifting fork shaft, the two limiting blocks can intermittently lock the main shifting fork shaft, the problem of spring failure under the condition of using a spring does not exist, two opposite limiting grooves are arranged on the circumferential surface of the main shifting fork shaft, and compared with the situation that one limiting groove is arranged on the circumferential surface of the main shifting fork shaft, the weight distribution of the main shifting fork shaft is more uniform; because the main shifting fork shaft is provided with the limiting groove, the main shifting fork shaft can rotate around the circumferential direction of the main shifting fork shaft in the reciprocating sliding process during gear shifting due to uneven gravity distribution, so that one side without the limiting groove rotates to the lower part; therefore, the main shifting fork shaft cannot rotate around the circumferential direction of the main shifting fork shaft, deviation of the main shifting fork cannot be caused, and smooth gear shifting is ensured.
Furthermore, the limiting block and the interlocking shaft are integrally formed. The technical effect of the scheme is as follows: is favorable for increasing the firmness of the limiting block and is convenient for production.
Furthermore, an arc-shaped groove is formed in the circumferential surface of the interlocking shaft, and the main shifting fork shaft is located in the arc-shaped groove. The technical effect of the scheme is as follows: the space occupied by the main shifting fork shaft and the interlocking shaft in the longitudinal direction can be reduced.
Further, a graphite powder layer is arranged in the arc-shaped groove. The technical effect of the scheme is as follows: the friction force is reduced, and the abrasion resistance of the interlocking shaft is increased while the interlocking shaft is ensured to slide smoothly.
Furthermore, the number of the locking chutes is two, and the distance between the locking chutes is smaller than the diameter of the interlocking shaft. The technical effect of the scheme is as follows: the instantaneity that the interlocking shaft is inserted into the locking chute during the gear shifting of the auxiliary box can be improved.
Further, the spring is a chrome vanadium steel spring. The technical effect of the scheme is as follows: is favorable for improving the toughness and the strength of the spring.
Furthermore, a shifting blind hole is formed in the main shifting fork shaft. The technical effect of the scheme is as follows: compared with the shifting groove, the position of the operating mechanism contacted with the main shifting fork shaft is not easy to slip, and the smooth gear shifting of the operating mechanism controlled by the gear shifting handle is ensured.
Drawings
Fig. 1 is a three-dimensional schematic diagram of embodiment 1 of the present invention;
fig. 2 is a three-dimensional schematic diagram of embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: interlocking shaft 1, main declutch shift shaft 2, stir blind hole 3, vice declutch shift shaft 4, vice shift fork 5, ejector pin 6, arc recess 7, stopper 8, spacing groove 9, spring 10, locking chute 11, No. one rack 12, No. two racks 13, gear post 14.
Example 1:
example 1 is substantially as shown in figure 1: as shown in fig. 1, a derailleur interlocking mechanism, including locking unit and interlocking axle 1, three main declutch shift axles 2 are installed in the derailleur upper cover, and it has stir blind hole 3 to open on the main declutch shift axle 2, and vice declutch shift axle 4 is installed in the derailleur backshell, and the position is the same with current derailleur, and fixed mounting has vice shift fork 5 on the vice declutch shift axle 4, and the welding has ejector pin 6 on the vice shift fork 5, and ejector pin 6 is located same horizontal plane and is parallel to each other with main declutch shift axle 2.
Interlocking axle 1 slides and sets up in the derailleur upper cover, and interlocking axle 1 is perpendicular with three main declutch shift shafts 2, and it has arc recess 7 to open on the periphery of interlocking axle 1, and main declutch shift shaft 2 is located arc recess 7, and integrated into one piece has spacing piece 8 on interlocking axle 1, and it has a spacing groove 9 to open on the periphery of every main declutch shift shaft 2.
The locking unit comprises a spring 10 and two locking chutes 11, the spring 10 in the embodiment is a chrome vanadium steel spring 10, the locking chutes 11 are arranged on the ejector rod 6, the length of the locking chutes 11 is determined according to the stroke of the auxiliary shifting fork 5, the spring 10 is arranged at one end of the interlocking shaft 1, one end of the spring 10 is welded with the upper cover of the transmission, and the other end of the spring 10 is welded with one end of the interlocking shaft 1; the other end of the interlocking shaft 1 is in contact with the circumferential surface of the ejector rod 6, and the distance between the two locking inclined grooves 11 is smaller than the diameter of the interlocking shaft 1.
The specific implementation process is as follows:
when the auxiliary box hangs low gear, vice declutch shift shaft 4 moves left along its axial, thereby drive vice declutch shift 5 and move left and drive ejector pin 6 and move left along its axial, after interlocking axle 1 aligns with locking chute 11, under the spring action of spring 10, interlocking axle 1 moves and slides in locking chute 11, thereby drive stopper 8 card income spacing inslot 9, main declutch shift shaft 2 action has been avoided, interlocking axle 1 is at the gliding in-process in locking chute 11, vice declutch shift 5 accomplishes and shifts gears.
When the auxiliary shifting fork 5 resets, the auxiliary shifting fork shaft 4 moves rightwards along the axial direction thereof, so that the auxiliary shifting fork 5 is driven to move rightwards and the ejector rod 6 is driven to move rightwards along the axial direction thereof, when the interlocking shaft 1 is transited to the circumferential contact process with the ejector rod 6 through the locking chute 11, the ejector rod 6 pushes the interlocking shaft 1 to move reversely, so that the limiting block 8 is pulled out from the limiting groove 9, and the main shifting fork shaft 2 can slide leftwards and rightwards.
When the auxiliary box is in a high gear, the moving directions of the auxiliary shifting fork shaft 4, the auxiliary shifting fork 5 and the ejector rod 6 are opposite to the moving direction of the auxiliary box when the auxiliary box is in a low gear, and the other conditions are consistent with the moving direction of the auxiliary box when the auxiliary box is in a low gear.
Example 2:
unlike embodiment 1, as shown in fig. 2, the jack 6 is located obliquely above the main fork shaft 2, and the jack 6 and the main fork shaft 2 are parallel to each other. The locking unit comprises a first rack 12, a second rack 13 and a gear column 14, wherein the first rack 12 is welded with the interlocking shaft 1, the second rack 13 is welded with the ejector rod 6, the gear column 14 is rotatably arranged in the upper cover of the transmission, and the first rack 12 and the second rack 13 are both meshed with the gear column 14; two opposite limiting grooves 9 are formed in the circumferential surface of the main shifting fork shaft 2, two limiting blocks 8 are integrally formed on the interlocking shaft 1, and the depth of each limiting groove 9 is determined according to the stroke of the auxiliary shifting fork 5; the arc-shaped groove 7 is internally coated with a graphite powder layer.
The specific implementation process is as follows:
when the auxiliary box hangs low gear, vice declutch shift shaft 4 moves left along its axial to drive vice declutch shift 5 and drive ejector pin 6 and move left along its axial, and then drive No. two rack 13 and move left, No. two rack 13 drives the pinion rack 14 and rotates, thereby drive No. one rack 12 and move, and then drive interlocking axle 1 and move, stopper 8 card is gone into in the spacing groove 9, main declutch shift shaft 2 action has been avoided, stopper 8 is at the in-process that the spacing groove 9 removed, vice declutch shift 5 accomplishes the gear shifting.
When the auxiliary box resets and is in a high gear, the auxiliary shifting fork shaft 4 moves rightwards along the axial direction of the auxiliary shifting fork shaft, so that the auxiliary shifting fork 5 is driven to move rightwards and the ejector rod 6 is driven to move rightwards along the axial direction of the ejector rod, so that the second rack 13 is driven to move rightwards, the second rack 13 drives the gear post 14 to rotate reversely, so that the first rack 12 is driven to move reversely, the interlocking shaft 1 is driven to move reversely, the limiting block 8 is clamped into the limiting groove 9, the action of the main shifting fork shaft 2 is avoided, and the auxiliary shifting fork 5 finishes gear shifting in the process that the limiting block 8 moves in.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. The utility model provides a derailleur interlocking device, includes vice shift fork, its characterized in that: including locking unit and interlocking axle, the interlocking axle is perpendicular with main declutch shift shaft, is equipped with the spacing groove on the periphery of main declutch shift shaft, and the epaxial stopper that is equipped with of interlocking, the locking unit can be gone into the spacing groove with the stopper card and pull out the spacing groove.
2. A transmission interlock mechanism as defined in claim 1, wherein: and an ejector rod is fixed on the auxiliary shifting fork and is parallel to the main shifting fork shaft.
3. A transmission interlock mechanism as defined in claim 2, wherein: the locking unit comprises a spring and a locking chute, the locking chute is arranged on the ejector rod, the spring is arranged at one end of the interlocking shaft, the other end of the interlocking shaft can be in contact with the circumferential surface of the ejector rod, or the other end of the interlocking shaft is positioned in the locking chute; the periphery of the main shifting fork shaft is provided with a limiting groove, the interlocking shaft is provided with a limiting block, and the limiting block and the limiting groove are close to one side of the spring.
4. A transmission interlock mechanism as defined in claim 2, wherein: the locking unit comprises a first rack, a second rack and a gear column, the first rack is fixedly connected with the interlocking shaft, the second rack is fixedly connected with the ejector rod, and the first rack and the second rack are both meshed with the gear column; two opposite limiting grooves are arranged on the circumferential surface of the main shifting fork shaft, and two limiting blocks are arranged on the interlocking shaft.
5. A variator interlock mechanism as claimed in any one of claims 3 or 4, wherein: the limiting block and the interlocking shaft are integrally formed.
6. A variator interlock mechanism as claimed in claim 5, wherein: an arc-shaped groove is formed in the circumferential surface of the interlocking shaft, and the main shifting fork shaft is located in the arc-shaped groove.
7. A transmission interlock mechanism as defined in claim 6, wherein: a graphite powder layer is arranged in the arc-shaped groove.
8. A transmission interlock mechanism as defined in claim 3, wherein: the quantity of locking chute is two, and the distance between the locking chute is less than the diameter of interlocking axle.
9. A transmission interlock mechanism as defined in claim 8, wherein: the spring is a chrome vanadium steel spring.
10. A transmission interlock mechanism according to any one of claims 7 or 9, wherein: the main shifting fork shaft is provided with a shifting blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452492.9U CN211449620U (en) | 2019-12-30 | 2019-12-30 | Transmission interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452492.9U CN211449620U (en) | 2019-12-30 | 2019-12-30 | Transmission interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449620U true CN211449620U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922452492.9U Active CN211449620U (en) | 2019-12-30 | 2019-12-30 | Transmission interlocking mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN211449620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906002A (en) * | 2019-12-30 | 2020-03-24 | 綦江齿轮传动有限公司 | Transmission interlocking mechanism |
-
2019
- 2019-12-30 CN CN201922452492.9U patent/CN211449620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906002A (en) * | 2019-12-30 | 2020-03-24 | 綦江齿轮传动有限公司 | Transmission interlocking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220323 Address after: 401420 building 103, No. 7, Xichi Avenue, Gunan street, Qijiang District, Chongqing Patentee after: Chongqing Qichi gear Research Institute Co.,Ltd. Address before: 401420 NO.666, Jiefang Road, Qiaohe street, Qinjiang District, Chongqing Patentee before: QIJIANG GEAR TRANSMISSION Co.,Ltd. |
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| TR01 | Transfer of patent right |