CN205001497U - Pneumatic derailleur selection keeps off actuating mechanism - Google Patents
Pneumatic derailleur selection keeps off actuating mechanism Download PDFInfo
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- CN205001497U CN205001497U CN201520654248.XU CN201520654248U CN205001497U CN 205001497 U CN205001497 U CN 205001497U CN 201520654248 U CN201520654248 U CN 201520654248U CN 205001497 U CN205001497 U CN 205001497U
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- spring
- driving block
- described driving
- power source
- ring
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Abstract
The utility model discloses a pneumatic derailleur selection keeps off actuating mechanism, including driving power source and drive block, the derailleur finger of shifting is connected to the drive block, driving power source provides the drive power of drive block, the drive block both ends respectively with set up the spring that rigidity is the same between the actuating mechanism firmware portion, just the decrement of both ends spring was different when the drive block was in initial position, the drive block with the spring intermediate position sets up the retaining ring, the spring is in compression state always, and works as the spring reachs the decrement is minimum during the retaining ring.
Description
Technical field
The utility model relates to the gear actuator of Pneumatic change-speed device, is specifically related to the spring return function structure of the gear actuator of Pneumatic change-speed device.
Background technique
Pneumatic change-speed device gear actuator utilizes aerodynamic force (as cylinder provides) to drive the motion of gear selection mechanism, realizes the switching of transmission gear, has that output power is large, safety reliability advantages of higher, is thus often used to transmission for vehicles; Existing Pneumatic change-speed device gear actuator all can realize gear selection mechanism by spring and be back to initial position, but the elastic force of spring can change at any time in movement process, and as only leaned on spring force without other External Force Actings, gear selection mechanism can shake back and forth when being back to initial position, for the serious wear of gear selection mechanism, and elastic force concussion when switching gear in the running process of vehicle can cause gearshift not in time, even occurs accident, is unfavorable for the Security of car load.
Model utility content
In order to solve the problem, the utility model proposes a kind of Pneumatic change-speed device gear actuator, comprise and drive power source and driving block, described driving block connects shift of transmission and refers to, described driving power source provides the driving force of described driving block, described driving block two ends arrange the identical spring of rigidity with between firmware portion of described actuator respectively, and the decrement of described driving block two ends spring when being in initial position is different, described driving block and described spring neutral position arrange back-up ring, described spring is in compressive state always, and decrement is minimum when described spring arrives described back-up ring, the stable of its position is ensured when utilizing the unbalanced design of the elastic force of two ends spring to allow described gear selection mechanism be back to initial position.
For achieving the above object, the technical solution of the utility model is:
A kind of Pneumatic change-speed device gear actuator, comprise and drive power source and driving block, described driving block connects shift of transmission and refers to, described driving power source provides the driving force of described driving block, described driving block two ends arrange the identical spring of rigidity with between firmware portion of described actuator respectively, and when described driving block is in initial position, the decrement of two ends spring is different.
Described driving block and described spring neutral position arrange back-up ring, and described spring is in compressive state always, and decrement is minimum when described spring arrives described back-up ring.
Described driving power source is double stroke cylinder.
Described driving block place setting position sensor, for monitoring the position information of described driving block.
Compare existing Pneumatic change-speed device gear actuator, the utility model has remarkable advantage and beneficial effect, is embodied as:
Use Pneumatic change-speed device gear actuator described in the utility model, the setting of the spring that the decrement utilizing actuator two ends to arrange is different and spacing back-up ring, ensure actuator's effective location when being back to initial position, and the phenomenon that there will not be actuator to shake back and forth near initial position.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Pneumatic change-speed device gear actuator.
Embodiment
Specific implementation method of the present utility model is as follows:
Be illustrated in figure 1 an example structure schematic diagram of Pneumatic change-speed device gear actuator described in the utility model, 1 be actuator, 2 be wherein cylinder, 3 be driving block, 4 be guide rail, 5 be back-up ring, 6 be jump ring, 7 be left spring, 8 for right spring.
The housing of described cylinder 2 is fixedly connected with described actuator 1 firmware portions, the piston of described cylinder 2 is fixedly connected with described driving block 3, described guide rail 4 is fixedly connected with described actuator 1 firmware portions, described driving block 3 to be placed on described guide rail 4 and can the side-to-side movement of relatively described guide rail 4, described guide rail 4 two ends respectively arrange two back-up rings 5, described back-up ring 5 is fixedly connected with described guide rail 4, described guide rail 4 both sides arrange two respectively can the jump ring 6 that horizontally slips of relatively described guide rail 4, described one-sided jump ring 6 is arranged between the back-up ring 5 of two, this side, described guide rail 4 two ends arrange left spring 7, right spring 8, described left spring 7, right spring 8 is all enclosed within described guide rail 4, described left spring 7, right spring 8 is connected with described both sides jump ring 6 respectively.
Described cylinder 2 also can be that other can provide the power source moved left and right to described driving block 3, described cylinder 2 is double stroke cylinder, the stop of three positions can be realized, described left spring 7 can arrange identical with the rigidity of described right spring 8, but described left spring 7 is not identical with the decrement of described right spring 8 after having assembled.
Described jump ring 6 is placed on described guide rail 4 and also can horizontally slips by relatively described guide rail 4, described left spring 7 is connected with the jump ring 6 of the left and right sides respectively with described right spring 8, described jump ring 6 can slide respectively between two back-up rings 5 of the left and right sides, can not continue mobile when described jump ring 6 arrives described back-up ring 5, namely described back-up ring 5 is a limit point of described jump ring, described left spring 7 is in compressive state with described right spring 8 always, and the decrement of spring reaches minimum when the described back-up ring of arrival 5 place of described jump ring 6, described driving block 3 can be crossed described back-up ring 5 and contact with described jump ring 6, namely described driving block 3 can promote described jump ring 6 and moves to away from the direction apart from the nearest back-up ring of this jump ring, that is described driving block 3 can promote the motion of described jump ring 6 and realize this side further compression of the spring.
When described cylinder 2 provides driving force, described cylinder 2 drives described jump ring 6 to realize the compression of described left spring 7 or the compression of right spring 8 when driving described driving block 3 to move left and right, such as described cylinder 2 drives described jump ring 6 to be moved to the left when driving described driving block 3 to be moved to the left, then described left spring 7 is compressed further, and now described right side jump ring is also moved to the left to discharge described right spring 8, and when described right side jump ring arrives described right side back-up ring, spacing due to described back-up ring, described right side jump ring can not continue to be moved to the left.
When described cylinder 2 does not provide driving force, described driving block 3 moves right to initial position under the elastic force effect of described left spring 7, because described left spring 7 is different from the initial compression amount of described right spring 8, therefore without under other External Force Actings, described driving block 3 can ensure to get back to a fixing initial position under described left spring 7 with the effect of described right spring 8, there will not be the uncertain of initial position, also swinging of driving block 3 can not be caused because of described left spring 7 with the concussion of described right spring 8 elastic force, improve the accuracy of block selecting, and prevent the wearing and tearing of driving block 3, extend the working life of actuator.
Described driving block 3 place setting position sensor, for monitoring the position information of described driving block 3, double-stroke three position functions of described cylinder 2 can realize the location of three positions of described driving block 3, the initial position of described spring realization in addition, namely actuator of the present utility model can realize the block selecting of four positions.
For being one exemplary embodiment of the present utility model; should be understood to be claims of the present utility model protection domain in a certain demonstrative example wherein; there is directiveness effect those skilled in the art being realized to corresponding technological scheme, but not to restriction of the present utility model.
Claims (4)
1. a Pneumatic change-speed device gear actuator, comprise and drive power source and driving block, described driving block connects shift of transmission and refers to, described driving power source provides the driving force of described driving block, it is characterized in that, described driving block two ends arrange the identical spring of rigidity with between firmware portion of described actuator respectively, and when described driving block is in initial position, the decrement of two ends spring is different.
2. Pneumatic change-speed device gear actuator according to claim 1, is characterized in that, described driving block and described spring neutral position arrange back-up ring, and described spring is in compressive state always, and decrement is minimum when described spring arrives described back-up ring.
3. Pneumatic change-speed device gear actuator according to claim 1, is characterized in that, described driving power source is double stroke cylinder.
4. Pneumatic change-speed device gear actuator according to claim 1, is characterized in that, described driving block place setting position sensor, for monitoring the position information of described driving block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654248.XU CN205001497U (en) | 2015-08-27 | 2015-08-27 | Pneumatic derailleur selection keeps off actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654248.XU CN205001497U (en) | 2015-08-27 | 2015-08-27 | Pneumatic derailleur selection keeps off actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001497U true CN205001497U (en) | 2016-01-27 |
Family
ID=55158385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654248.XU Expired - Fee Related CN205001497U (en) | 2015-08-27 | 2015-08-27 | Pneumatic derailleur selection keeps off actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
-
2015
- 2015-08-27 CN CN201520654248.XU patent/CN205001497U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20180827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |