CN112855912A - Gear selecting and shifting row-fixing mechanism of transmission - Google Patents
Gear selecting and shifting row-fixing mechanism of transmission Download PDFInfo
- Publication number
- CN112855912A CN112855912A CN202011607396.8A CN202011607396A CN112855912A CN 112855912 A CN112855912 A CN 112855912A CN 202011607396 A CN202011607396 A CN 202011607396A CN 112855912 A CN112855912 A CN 112855912A
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- Prior art keywords
- gear
- shifting
- selecting
- row
- cam
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/24—Providing feel, e.g. to enable selection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/24—Providing feel, e.g. to enable selection
- F16H2061/243—Cams or detent arrays for guiding and providing feel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a transmission gear selecting and shifting row selecting mechanism which comprises a gear selecting and shifting shaft, a cam, a gear selecting and shifting row selecting pin and a gear shifting row selecting pin, wherein the cam is installed on the gear selecting and shifting shaft, a gear selecting and shifting shape line and a gear shifting shape line are separately arranged on the cam, the gear selecting and shifting pin can move on the gear selecting and shifting shape line, the gear shifting row selecting pin can move on the gear shifting shape line, the transmission gear selecting and shifting row selecting mechanism further comprises an operating cover, the gear selecting and shifting shaft is installed on the operating cover, and the gear selecting shaft can axially move or rotate relative to the operating cover. The invention can effectively solve the problems of uneven gear selecting/shifting force, gear shifting clamping stagnation, gear shifting handle shaking, gear shifting of the transmission and the like, improves the gear selecting and shifting performance of the manual transmission and improves the gear shifting comfort; the gear selecting and gear fixing line and the gear shifting and gear fixing line are separately designed, the structure control is simpler, and the quality and consistency control of the gear selecting and gear shifting cam part is facilitated.
Description
Technical Field
The invention relates to the technical field of transmissions, in particular to a gear selecting and shifting row selecting mechanism of a transmission.
Background
At present, a manual transmission gear selecting and shifting structure of a vehicle model is developed, a gear selecting and shifting fixed row mechanism is designed on a transmission operating mechanism cam 1, the same fixed row pin 2 (shown in figure 1) is adopted for gear selecting and shifting, and a gear selecting and shifting M head 3 (shown in figure 2) is adopted for a gear shifting fixed row line. When the gear selecting operation is carried out, the cam 1 moves along the up-and-down direction, and the fixed row pin 2 acts on the central slot line of the gear shifting fixed row line. When a gear shifting operation is performed (as shown in fig. 3), the cam 1 rotates, the fixed row pin 2 acts on the slot lines on both sides of the gear shifting fixed row line, and the gear shifting performance is controlled by changing the shape of the gear shifting M head 3. This structure has the following drawbacks:
1. the gear selecting and shifting fixed-row shaped lines are combined together, the shaped lines are difficult to control, the generated gear selecting and shifting force is uneven, the gear shifting is blocked, and the gear shifting hand feeling is not good;
2. the gear shifting shape fixing line adopts a gear selecting and shifting M head 3, the gear shifting stroke is limited and fixed, the shifting gear is transmitted to a shifting fork through a synchronizer gear sleeve and then transmitted to a gear shifting handle through a gear shifting control mechanism, so that the gear shifting handle shakes and shakes hands; when the size control is not good, the failure of the gear-disengaging of the speed changer is easily caused by insufficient initial gear-engaging stroke.
Disclosure of Invention
The invention mainly aims to provide a gear selecting and shifting row selecting mechanism of a transmission, aiming at improving the gear shifting comfort and increasing the suction force; the gear-disengaging risk caused by insufficient initial gear-engaging stroke is avoided.
In order to achieve the above object, the present invention provides a transmission gear selecting and shifting mechanism, including a gear selecting shaft, a cam, a gear selecting and shifting pin, and a gear shifting pin, wherein the cam is mounted on the gear selecting shaft, a gear selecting and shifting line and a gear selecting and shifting line are separately disposed on the cam, the gear selecting and shifting pin is movable on the gear selecting and shifting line, the gear selecting and shifting pin is movable on the gear shifting line, the transmission gear selecting and shifting mechanism further includes an operating cover, the gear selecting shaft is mounted on the operating cover, and the gear selecting shaft is axially movable or rotatable relative to the operating cover.
According to a further technical scheme, a cam gear shifting curved surface is arranged on the gear shifting fixed row line, a first spring matched with the cam gear shifting curved surface and used for adjusting gear shifting force is arranged in the gear shifting fixed row pin, and the gear shifting fixed row pin can move on the cam gear shifting curved surface.
The invention has the further technical scheme that a cam gear selecting curved surface is arranged on the gear selecting and gear fixing line, a second spring which is matched with the cam gear selecting curved surface and is used for adjusting gear selecting force is arranged in the gear selecting and gear fixing pin, and the gear selecting and gear fixing pin can move on the cam gear selecting curved surface.
According to a further technical scheme, the cam is provided with a groove shaped like a Chinese character 'wang', and the transmission gear selecting and shifting row deciding mechanism further comprises a groove shaped like a Chinese character 'wang' pin installed in the groove shaped like a Chinese character 'wang'.
The invention has the further technical scheme that an operation cover hole is formed in the operation cover, and the gear selecting and shifting shaft is installed in the operation cover hole through a bearing.
In a further aspect of the present invention, the operating cover is fixedly mounted to the transmission housing.
The further technical scheme of the invention is that the gear shifting row-fixing line is a W-shaped head.
The invention has the beneficial effects that: the invention can effectively solve the problems of uneven gear selecting/shifting force, gear shifting clamping stagnation, gear shifting handle shaking, gear shifting of the transmission and the like, improves the gear selecting and shifting performance of the manual transmission and improves the gear shifting comfort; the gear selecting and gear fixing line and the gear shifting and gear fixing line are separately designed, the structure control is simpler, and the quality and consistency control of the gear selecting and gear shifting cam part is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art configuration of a select shift row pin;
FIG. 2 is a schematic view of a prior art structure of a shift M head;
FIG. 3 is a schematic view of a prior art gear selection and shifting direction;
FIG. 4 is a schematic structural diagram of a preferred embodiment of the select shift scheduling mechanism of the transmission of the present invention;
FIG. 5 is a schematic view of the structure of a preferred embodiment of a gear shift shape wire W of the gear shift row selecting mechanism of the transmission of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 4 and 5, the present invention provides a transmission gear selecting and shifting mechanism, wherein fig. 4 is a schematic structural diagram of a preferred embodiment of the transmission gear selecting and shifting mechanism of the present invention; FIG. 5 is a schematic view of the structure of a preferred embodiment of a gear shift shape wire W of the gear shift row selecting mechanism of the transmission of the present invention.
As shown in fig. 4 and 5, in the present embodiment, the transmission gear selecting and shifting mechanism includes a gear selecting shaft 4, a cam 5, a gear selecting and shifting pin 6 and a gear shifting pin 7, wherein the cam 5 is mounted on the gear selecting shaft 4, and when selecting gears, the gear is shifted by the selected gear shifting rotation angle along with the axial movement of the gear selecting shaft 4.
The cam 5 is separately provided with a gear selecting fixed-gear line 8 and a gear shifting fixed-gear line 9, the gear selecting fixed-gear pin 6 can move on the gear selecting fixed-gear line 8, and the gear shifting fixed-gear pin 7 can move on the gear shifting fixed-gear line.
Wherein, the shift row-fixing line 9 is W-shaped.
The gear shifting fixed-row line adopts a W-shaped head, the gear shifting stroke is limited freely, the shifting of a gear can not be transmitted, and the risk of gear shifting caused by insufficient gear shifting initial stroke due to poor size control can be avoided.
In the embodiment, the gear selecting and shifting fixed row design adopts a gear selecting and fixed row pin 6, a gear selecting and fixed row line 8, a gear shifting and fixed row pin and a gear shifting and fixed row line 9, the gear selecting and fixed row pin 6 and the gear selecting and fixed row line are used for gear selecting performance, and the gear shifting and fixed row pin and the gear shifting and fixed row line are used for gear shifting performance. The gear selecting and fixing flat cable and the gear shifting and fixing flat cable are separated and do not influence each other, the row lines are easy to control, the generated gear selecting and shifting force is uniform, the gear shifting comfort can be improved, and the suction force is increased.
In one embodiment, the transmission gear selecting mechanism further includes an operating cover 12, the gear selecting shaft 4 is mounted on the operating cover 12, and the gear selecting shaft 4 can move axially or rotate relative to the operating cover 12.
The operating cover 12 is provided with an operating cover hole, the bearing is provided with a bearing matched with the operating cover hole, and the gear selecting and shifting shaft 4 is installed in the operating cover hole through the bearing. The control cover 12 is fixedly mounted on the transmission housing.
The gear shifting shape line is provided with a cam gear shifting curved surface, the gear shifting row fixing pin 7 is internally provided with a first spring which is matched with the cam gear shifting curved surface and is used for adjusting gear shifting force, and the gear shifting row fixing pin 7 can move on the cam gear shifting curved surface.
The gear selecting curved surface is arranged on the gear selecting line, a second spring matched with the cam gear selecting curved surface and used for adjusting gear selecting force is arranged in the gear selecting fixed row pin 6, and the gear selecting fixed row pin 6 can move on the cam gear selecting curved surface.
The cam 5 is provided with a groove 10 shaped like a Chinese character 'wang', and the transmission gear selecting and shifting row deciding mechanism further comprises a groove pin 11 arranged in the groove 10 shaped like a Chinese character 'wang'.
The working principle of gear selection of this embodiment is: the gear selecting and shifting shaft 4 and the cam 5 axially move relative to the control cover 12, the gear selecting and ranking pin 6 moves on the cam gear selecting curved surface, the gear selecting force is adjusted through the extension and contraction of a second spring in the cam selecting and ranking pin, the gear selecting and positioning are carried out through the cam gear selecting curved surface, and the optimal gear selecting performance and hand feeling are achieved by adjusting the profile of the cam 5 gear selecting curved surface; the gear selecting direction of the king-shaped groove 10 and the king-shaped groove pin 11 plays a role in guiding.
The gear shifting working principle is as follows: the gear selecting shaft 4 and the cam 5 rotate relative to the control cover 12, the gear shifting fixed row pin 7 moves on the cam gear shifting curved surface, the gear shifting force is adjusted through the expansion and contraction of a first spring in the cam gear shifting curved surface, gear shifting positioning is carried out through the cam gear shifting curved surface, and the optimal gear shifting performance and hand feeling are achieved by adjusting the outline of a 9W-shaped head of the gear shifting fixed row line; the gear shifting direction of the V-shaped groove 10 and the V-shaped groove pin 11 plays a guiding role, the V-shaped groove 10 is reserved with a length, the gear shifting stroke is not limited, the gear shifting fixed row pin 7 can be ensured to reach the bottom of the groove through the V-shaped groove pin 11 after the lowest point of the W-shaped head of the gear shifting shape line, when the gear shifting is completed, under the action of elastic force of the first spring, the gear shifting rod and the cam 5 return to the gear shifting fixed row pin 7 to be at the lowest point of the W-shaped head of the gear shifting fixed row shape line 9, and the gear.
The invention has the beneficial effects that: the invention can effectively solve the problems of uneven gear selecting/shifting force, gear shifting clamping stagnation, gear shifting handle shaking, gear shifting of the transmission and the like, improves the gear selecting and shifting performance of the manual transmission and improves the gear shifting comfort; the gear selecting and gear fixing line and the gear shifting and gear fixing line are separately designed, the structure control is simpler, and the quality and consistency control of the gear selecting and gear shifting cam part is facilitated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The gear selecting and shifting row selecting mechanism is characterized by comprising a gear selecting and shifting shaft, a cam, a gear selecting and shifting row selecting pin and a gear shifting row selecting pin, wherein the cam is installed on the gear selecting and shifting shaft, a gear selecting and shifting line and a gear shifting line are separately arranged on the cam, the gear selecting and shifting pin can move on the gear selecting and shifting line, the gear shifting pin can move on the gear shifting line, the gear selecting and shifting row selecting mechanism further comprises an operating cover, the gear selecting and shifting shaft is installed on the operating cover, and the gear selecting and shifting shaft can axially move or rotate relative to the operating cover.
2. The transmission select shift row mechanism of claim 1 wherein the shift row wire has a cam shift surface and the shift row pin has a first spring disposed therein that cooperates with the cam shift surface to adjust the shift force, the shift row pin being movable on the cam shift surface.
3. The transmission gear selector of claim 1 wherein the gear selector contour is provided with a cam gear selector curve and the gear selector pin is provided with a second spring cooperating with the cam gear selector curve for adjusting the gear selector force, the gear selector pin being movable on the cam gear selector curve.
4. The derailleur gear shifting row selecting mechanism of claim 1, wherein the cam has a channel shaped as a Chinese character 'wang', and further comprising a slot shaped as a Chinese character 'wang' pin mounted in the channel.
5. The transmission shift select row mechanism of claim 1 wherein the operating cover has an operating cover aperture therein, the shift select shaft being mounted in the operating cover aperture by a bearing.
6. The transmission shift select row mechanism of claim 5, wherein the operating cover is fixedly mounted to the transmission housing.
7. The transmission select shift row mechanism of any of claims 1-6, wherein the shift row shaped line is W-headed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607396.8A CN112855912A (en) | 2020-12-30 | 2020-12-30 | Gear selecting and shifting row-fixing mechanism of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607396.8A CN112855912A (en) | 2020-12-30 | 2020-12-30 | Gear selecting and shifting row-fixing mechanism of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855912A true CN112855912A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607396.8A Pending CN112855912A (en) | 2020-12-30 | 2020-12-30 | Gear selecting and shifting row-fixing mechanism of transmission |
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| Country | Link |
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| CN (1) | CN112855912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757351A (en) * | 2021-08-09 | 2021-12-07 | 华南理工大学 | Integrated gear shifting structure and elbow joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5979262A (en) * | 1997-09-20 | 1999-11-09 | Ford Global Technologies, Inc. | Gearshift device for a motor vehicle manual transmission |
| CN101290065A (en) * | 2008-06-06 | 2008-10-22 | 上海汽车集团股份有限公司 | Manual speed-changer gear shift mechanism |
| EP2143980A2 (en) * | 2008-07-07 | 2010-01-13 | ZF Friedrichshafen AG | Assembly for selecting and switching a gear in a gearbox of a vehicle |
| CN202056291U (en) * | 2011-02-24 | 2011-11-30 | 上海汽车变速器有限公司 | Gear-shifting position-replacing mechanism with gear selecting and replacing slot shaped like Chinese character 'Wang' |
| CN205663865U (en) * | 2015-11-12 | 2016-10-26 | 浙江中马传动股份有限公司 | Select gear shift device of feeling |
| CN108533729A (en) * | 2018-03-28 | 2018-09-14 | 宝鸡法士特齿轮有限责任公司 | A kind of speed-changer operation device |
-
2020
- 2020-12-30 CN CN202011607396.8A patent/CN112855912A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5979262A (en) * | 1997-09-20 | 1999-11-09 | Ford Global Technologies, Inc. | Gearshift device for a motor vehicle manual transmission |
| CN101290065A (en) * | 2008-06-06 | 2008-10-22 | 上海汽车集团股份有限公司 | Manual speed-changer gear shift mechanism |
| EP2143980A2 (en) * | 2008-07-07 | 2010-01-13 | ZF Friedrichshafen AG | Assembly for selecting and switching a gear in a gearbox of a vehicle |
| CN202056291U (en) * | 2011-02-24 | 2011-11-30 | 上海汽车变速器有限公司 | Gear-shifting position-replacing mechanism with gear selecting and replacing slot shaped like Chinese character 'Wang' |
| CN205663865U (en) * | 2015-11-12 | 2016-10-26 | 浙江中马传动股份有限公司 | Select gear shift device of feeling |
| CN108533729A (en) * | 2018-03-28 | 2018-09-14 | 宝鸡法士特齿轮有限责任公司 | A kind of speed-changer operation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757351A (en) * | 2021-08-09 | 2021-12-07 | 华南理工大学 | Integrated gear shifting structure and elbow joint |
| CN113757351B (en) * | 2021-08-09 | 2022-10-25 | 华南理工大学 | Integrated gear shifting structure and elbow joint |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |
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| RJ01 | Rejection of invention patent application after publication |