CN202790483U - Automobile and gear shifting actuating mechanism thereof - Google Patents
Automobile and gear shifting actuating mechanism thereof Download PDFInfo
- Publication number
- CN202790483U CN202790483U CN 201220351883 CN201220351883U CN202790483U CN 202790483 U CN202790483 U CN 202790483U CN 201220351883 CN201220351883 CN 201220351883 CN 201220351883 U CN201220351883 U CN 201220351883U CN 202790483 U CN202790483 U CN 202790483U
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- gear
- gear shifting
- actuating mechanism
- nut
- shifting actuating
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- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a gear shifting actuating mechanism which comprises a lead screw (4), a nut (5), a gear shifting fork (6) and a driving device. The nut (5) is sleeved on the lead screw (4), the gear shifting fork (6) is fixedly connected with the nut (5), and the driving device is connected with the lead screw (4) and can drive the lead screw (4) to rotate. When gear shifting is required, the driving device is started, as an output shaft of the driving device is connected with the lead screw, the output shaft can drive the lead screw to rotate, the nut on the lead screw moves on the lead screw, the nut and the gear shifting fork fixedly connected with the nut can move left and right, and when moving left and right, the gear shifting fork interacts with a transmission of an automobile to realize gear disengaging and engaging functions. The utility model further discloses the automobile with the gear shifting actuating mechanism.
Description
Technical field
The utility model relates to technical field of vehicle manufacture, relates in particular to a kind of gear shifting actuating mechanism.The utility model also relates to a kind of automobile with above-mentioned gear shifting actuating mechanism.
Background technique
In recent years, day by day serious along with energy crisis in the world wide and environmental pollution problem, people also improve gradually to the requirement of automotive energy-saving emission-reducing.Pure electric automobile has been subject to people and has more and more paid close attention to its low noise, characteristics pollution-free, that energy source is diversified, energy efficiency is high, thereby has promoted the accelerated development of pure electric automobile.
In the structural design of pure electric automobile, the structure of power system is to be generally the structural type that drive motor directly connects single reduction gear, and wherein the speed ratio of single reduction gear is fixed value, can only be according to this fixed value to the drive motor increase moment of torsion that slows down.So no matter automobile is in starting process or in the high speed operation process, can only select the outputting power of the speed ratio adjusting drive motor of single reduction gear, so when vehicle starting, can not satisfy the large requirement of starting torque, when high-speed running automobile, can not satisfy the higher requirement of its rotating speed.
In sum, how effectively solving the problem that can only regulate according to the speed ratio of fixed value the outputting power of drive motor, is present those skilled in the art's urgent problem.
The model utility content
In view of this, first purpose of the present utility model is to provide a kind of gear shifting actuating mechanism, the structural design of this gear shifting actuating mechanism can solve the problem that can only regulate according to the speed ratio of fixed value the outputting power of drive motor effectively, and second purpose of the present utility model provides a kind of automobile that comprises above-mentioned gear shifting actuating mechanism.
In order to reach above-mentioned first purpose, the utility model provides a kind of gear shifting actuating mechanism, comprise screw mandrel, be set in nut and the selector fork that is fixedly connected with described nut on the described screw mandrel, also comprise the drive unit that is connected and can drives described screw mandrel rotation with described screw mandrel.
Preferably, described drive unit comprises gear shifting motor, the multi-stage gear mechanism that is connected with the output shaft of described shift motor, and the number of teeth of the driving wheel of every grade of gear mechanism is less than the number of teeth of follower.
Preferably, described multi-stage gear mechanism is specially secondary gear mechanism, comprise near the first order gear mechanism of the output terminal of described shift motor with near the second level gear mechanism of described screw mandrel, and described one-level gear follower and secondary gear driving wheel are positioned on the same gear shaft.
Preferably, described selector fork is connected with described nut by the mode of welding.
Preferably, described shift motor is AC servo motor.
A kind of automobile comprises such as each described gear shifting actuating mechanism in above-mentioned.
The gear shifting actuating mechanism that the utility model provides comprises screw mandrel, is set in nut and the selector fork that is fixedly connected with nut on the screw mandrel, also comprises the drive unit that is connected and can drives the screw mandrel rotation with described screw mandrel.
When stating gear shifting actuating mechanism in the use, at first open drive unit, because drive unit is connected with screw mandrel and can drives screw mandrel and rotate, and then move the position of the nut on the screw mandrel on screw mandrel, realized that with this nut reaches the side-to-side movement of the selector fork that is fixedly connected with it, the function that selector fork is plucked gear and put into gear with speed changer interaction and then the realization of automobile in the process of side-to-side movement.Compared with prior art, use this gear shifting actuating mechanism to cooperate with automotive transmission and replace single reduction gear to regulate the outputting power of drive motor, realized utilizing multistage speed ratio to regulate the outputting power of drive motor, satisfy the performance requirements such as vehicle starting or the increase of climbing moment of torsion when being low gear, can satisfy requirements such as improving efficient traffic coverage during high gear, so that the power system energy efficiency improves.
In order to reach above-mentioned second purpose, the utility model also provides a kind of automobile, and this automobile comprises above-mentioned any gear shifting actuating mechanism.Because above-mentioned gear shifting actuating mechanism has above-mentioned technique effect, the automobile with this gear shifting actuating mechanism also should have corresponding technique effect.
In sum, gear shifting actuating mechanism provided by the utility model can solve the problem that can only regulate according to the speed ratio of fixed value the outputting power of drive motor effectively.
Description of drawings
In order to be illustrated more clearly in the technological scheme in the utility model, employed accompanying drawing was done simple the introduction during the below will describe embodiment, apparently, accompanying drawing in the following describes only is 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 structural representation of the gear shifting actuating mechanism that provides among the utility model embodiment is provided Fig. 1.
Mark is as follows in the accompanying drawing:
1-shift motor, 2-first order gear mechanism, 3-second level gear mechanism, 4-screw mandrel, 5-nut, 6-selector fork, 21-one-level driving wheel, 22-one-level follower, 31-secondary driving wheel, 32-secondary follower.
Embodiment
First purpose of the present utility model is to provide a kind of gear shifting actuating mechanism, the structural design of this gear shifting actuating mechanism can solve the problem that can only regulate according to the speed ratio of fixed value the outputting power of drive motor effectively, and second purpose of the present utility model provides a kind of automobile that comprises above-mentioned gear shifting actuating mechanism.
Below in conjunction with the accompanying drawing among the utility model embodiment, the scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiments that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
The gear shifting actuating mechanism that provides among the utility model embodiment comprises screw mandrel 4, is set in nut 5 and the selector fork 6 that is fixedly connected with nut 5 on the screw mandrel 4, also comprises the drive unit that is connected and can drives screw mandrel 4 rotations with described screw mandrel 4.
When stating gear shifting actuating mechanism in the use, at first open drive unit, because drive unit is connected with screw mandrel 4 and can drives screw mandrel 4 and rotate, and then move the position of the nut on the screw mandrel 45 on screw mandrel 4, realized that with this nut 5 reaches the side-to-side movement of the selector fork 6 that is fixedly connected with it, the function that selector fork 6 is plucked gear and put into gear with speed changer interaction and then the realization of automobile in the process of side-to-side movement.Compared with prior art, use this gear shifting actuating mechanism to cooperate with automotive transmission and replace single reduction gear to regulate the outputting power of drive motor, realized utilizing multistage speed ratio to regulate the outputting power of drive motor, satisfy the performance requirements such as vehicle starting or the increase of climbing moment of torsion when being low gear, can satisfy requirements such as improving efficient traffic coverage during high gear, so that the power system energy efficiency improves.
In the present embodiment, drive unit can be specially the multi-stage gear mechanism that shift motor 1 is connected with output shaft with shift motor 1, and the number of teeth of the driving wheel of every grade of gear mechanism is less than the number of teeth of follower.Wherein the effect of multi-stage gear mechanism is to reduce rotating speed, because the number of teeth of the driving wheel of every grade of gear mechanism is less than the number of teeth of follower, so the rotating speed of each axle reduces step by step in transmission process, with this rotating speed of regulating screw mandrel 4, the travelling speed of the nut 5 that is set on the screw mandrel 4 is met the requirements.
In order to save the space, multi-stage gear mechanism can be secondary gear mechanism, comprise near the first order gear mechanism 2 of the output terminal of shift motor 1 with near the second level gear mechanism 3 of screw mandrel 4, wherein first order gear mechanism 2 comprises one-level driving wheel 21 and one-level follower 22, second level gear mechanism 3 comprises secondary driving wheel 31 and secondary follower 32, and described one-level follower 22 is positioned on the same gear shaft with secondary driving wheel 31.Preferably, shift motor 1 can use AC servo motor.
In addition, in order to strengthen the join strength between selector fork 6 and the nut 5, the mode of selector fork 6 by welding can be connected with nut 5.
Based on the gear shifting actuating mechanism that provides in above-described embodiment, the utility model also provides a kind of automobile, and the gear shifting actuating mechanism that provides among above-mentioned any one embodiment is provided this automobile.Because this automobile has adopted the gear shifting actuating mechanism in above-described embodiment, so the beneficial effect of this automobile please refer to above-described embodiment.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. gear shifting actuating mechanism, it is characterized in that, comprise screw mandrel (4), be set in nut (5) and the selector fork (6) that is fixedly connected with described nut (5) on the described screw mandrel (4), also comprise the drive unit that is connected and can drives described screw mandrel (4) rotation with described screw mandrel (4).
2. gear shifting actuating mechanism according to claim 1, it is characterized in that, described drive unit comprises the multi-stage gear mechanism that gear shifting motor is connected with output shaft with described shift motor (1), and the number of teeth of the driving wheel of every grade of gear mechanism is less than the number of teeth of follower.
3. gear shifting actuating mechanism according to claim 2, it is characterized in that, described multi-stage gear mechanism is specially secondary gear mechanism, comprise near the first order gear mechanism (2) of the output terminal of described shift motor (1) with near the second level gear mechanism (3) of described screw mandrel (4), and described one-level gear follower (22) is positioned on the same gear shaft with secondary gear driving wheel (31).
4. gear shifting actuating mechanism according to claim 2 is characterized in that, described shift motor (1) is AC servo motor.
5. gear shifting actuating mechanism according to claim 1 is characterized in that, described selector fork (6) is connected with described nut (5) by the mode of welding.
6. an automobile is characterized in that, comprises such as each described gear shifting actuating mechanism in the claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351883 CN202790483U (en) | 2012-07-19 | 2012-07-19 | Automobile and gear shifting actuating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351883 CN202790483U (en) | 2012-07-19 | 2012-07-19 | Automobile and gear shifting actuating mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202790483U true CN202790483U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220351883 Expired - Lifetime CN202790483U (en) | 2012-07-19 | 2012-07-19 | Automobile and gear shifting actuating mechanism thereof |
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| CN (1) | CN202790483U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421418A (en) * | 2013-09-10 | 2015-03-18 | 通用汽车环球科技运作有限责任公司 | Shift linkage assembly for transmission |
| CN105317989A (en) * | 2015-11-30 | 2016-02-10 | 东北大学 | Load self-adaptive type automatic gear shifting transmission mechanism |
| CN106956579A (en) * | 2017-05-08 | 2017-07-18 | 重庆大学 | Hollow motor formula electric automobile driving switching and transmission gear shift system |
| CN108708973A (en) * | 2018-07-16 | 2018-10-26 | 贵州航天控制技术有限公司 | A kind of roller pulling fork driving device for electric servomechanism |
| CN108980342A (en) * | 2017-06-01 | 2018-12-11 | 上海众联能创新能源科技股份有限公司 | A kind of two grades of AMT automatic gearshifts |
-
2012
- 2012-07-19 CN CN 201220351883 patent/CN202790483U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421418A (en) * | 2013-09-10 | 2015-03-18 | 通用汽车环球科技运作有限责任公司 | Shift linkage assembly for transmission |
| CN104421418B (en) * | 2013-09-10 | 2017-04-12 | 通用汽车环球科技运作有限责任公司 | Shift linkage assembly for transmission |
| CN105317989A (en) * | 2015-11-30 | 2016-02-10 | 东北大学 | Load self-adaptive type automatic gear shifting transmission mechanism |
| CN105317989B (en) * | 2015-11-30 | 2017-07-18 | 东北大学 | A kind of loaded self-adaptive type self shifter transmission mechanism |
| CN106956579A (en) * | 2017-05-08 | 2017-07-18 | 重庆大学 | Hollow motor formula electric automobile driving switching and transmission gear shift system |
| CN106956579B (en) * | 2017-05-08 | 2023-12-01 | 重庆大学 | Hollow motor type electric automobile driving switching and transmission speed changing system |
| CN108980342A (en) * | 2017-06-01 | 2018-12-11 | 上海众联能创新能源科技股份有限公司 | A kind of two grades of AMT automatic gearshifts |
| CN108708973A (en) * | 2018-07-16 | 2018-10-26 | 贵州航天控制技术有限公司 | A kind of roller pulling fork driving device for electric servomechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Assignor: Chongqing Changan Automobile Co.,Ltd.|CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Contract record no.: 2018500000022 Denomination of utility model: Automobile and gear shifting actuating mechanism thereof Granted publication date: 20130313 License type: Exclusive License Record date: 20181130 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190110 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Patentee before: Chongqing Changan Automobile Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |