CN114776796B - General reverse gear protection lock operating mechanism - Google Patents
General reverse gear protection lock operating mechanism Download PDFInfo
- Publication number
- CN114776796B CN114776796B CN202210284310.5A CN202210284310A CN114776796B CN 114776796 B CN114776796 B CN 114776796B CN 202210284310 A CN202210284310 A CN 202210284310A CN 114776796 B CN114776796 B CN 114776796B
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- China
- Prior art keywords
- reverse gear
- protection lock
- gear
- operating mechanism
- pin
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
-
- 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
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
-
- 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
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
- F16H2059/0282—Lever handles with lock mechanisms, e.g. for allowing selection of reverse gear or releasing lever from park position
-
- 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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
- F16H2061/185—Means, e.g. catches or interlocks, for preventing unintended shift into reverse gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention discloses a general reverse gear protection lock operating mechanism, which is characterized in that a reverse gear protection lock structure is added on the premise of not changing the arrangement of the existing gears by redesigning the structures of a transverse gear shifting lever, a control block and the like, and in the gear shifting process, the reverse gear protection lock can prevent misoperation of a driver, ensure that a transmission accurately enters a target gear, and avoid the risk of damage to a vehicle and the driver caused by mistakenly engaging the reverse gear; the reverse gear protection lock operating mechanism is improved on the traditional operating system, the existing structure of the whole vehicle and the driving habit of a driver are not influenced, and the structure has an automatic return function, so that the labor intensity of the driver is reduced. The reverse gear protection lock operating mechanism has strong adaptability and can be automatically selected and adjusted according to the configuration of the whole vehicle.
Description
Technical Field
The invention belongs to the field of transmission control, and particularly relates to a universal reverse gear protection lock operating mechanism.
Background
Transmission actuating mechanisms are very important and indispensable components in the automotive sector, and currently in the mainstream transmission design in China, reverse gears are generally arranged beside forward gears. This is because of long-known driving habits, convenience in shifting gears, comfort, and the like.
This arrangement, while providing convenience and comfort to the driver during driving, presents a significant risk of mishandling. In real life, the damage caused by wrong reverse gear or forward gear is immeasurable, for example, if a vehicle in progress suddenly and mistakenly shifts reverse gear, rear-end collision accidents are most likely to occur; a driver who needs to park in reverse may mistakenly shift forward and suddenly advance the vehicle, possibly causing serious accidents to pedestrians or drivers.
Obviously, the existing transmission structure only meets the driving habit and comfort of people. However, there is no sufficient consideration from the viewpoint of driving safety, and potential safety hazards exist for the vehicle itself, and even for drivers and pedestrians.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a universal reverse gear protection lock operating mechanism.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a universal reverse gear protection lock operating mechanism comprises an operating device shell, a spline housing, a transverse gear shifting lever, a shifting head, a gear selecting joint, a control block, a transverse gear shifting lever bushing, a hand feeling pin, a top pin, a limiter seat, a limiter cover, a limiting pin, a control unit, a window cover, a return spring and a limiting cover;
the spline housing and the transverse gear shift lever bushing are fixed on the operating device shell to cooperatively restrict the transverse gear shift lever, the shifting block is fixed on the transverse gear shift lever, the control block is fixed on the transverse gear shift lever, the gear selecting joint is fastened on the gear selecting shifting block, the gear selecting joint is fixed on the window cover, the window cover is fixed on the operating device shell, the hand feeling pin is fixed on the operating device shell, the limiter seat is fastened on the operating device shell, the limiter cover is fixed on the limiter seat, the ejector pin is assembled in holes inside the hand feeling pin, the limiter seat and the limiter cover, the limiting pin is pretensioned and installed in the limiter cover through the return spring, the limiting cover is installed on the limiter cover, and the control unit is connected with the limiting pin.
Further, the shifting head is fixed on the transverse gear shifting rod through a cylindrical pin.
Further, the control block is fixed on the transverse gear shift lever through an elastic cylindrical pin.
Furthermore, the gear selecting joint is fastened on the gear selecting shifting head through a common flat key and a bolt.
Further, the gear selecting connector is fixed on the window cover through a common flat key.
Further, the window cover is fixed to the operating device housing by four set screws.
Further, the retainer cap is secured to the retainer seat by a hex head bolt and spring washer assembly.
Further, the control unit is connected with a handball.
Further, the control unit is a flexible shaft, an electromagnetic valve or an air cylinder.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a general reverse gear protection lock operating mechanism, which is characterized in that a top pin penetrates through a limiter seat and a limiter cover through redesigning structures such as a transverse gear shifting lever, a control block and the like, and two ends are limited through a limiting pin and a handfeel pin; the reverse gear locking function is realized when the vehicle normally advances; the hand ball and the control unit can control the limiting pin to move upwards, and the locking function of the reverse gear locking mechanism is closed; the control block pushes up the hand feeling pin; the driver can select and hang the reverse gear; under the prerequisite that does not change current gear arrangement, increase reverse gear protection lock structure for the driver can be according to oneself intention of shifting gears, easily accurate the target gear of oneself of hanging into, and this structure has self return function, reduces driver intensity of labour, when having increased driving travelling comfort, has effectively avoided risk and the harm of mistake gear of hanging into. Compared with the prior structure, the gear arrangement of the structure is unchanged, and accords with the driving habit of a driver; and the reliability of the driving mechanism is improved, and the abnormal abrasion of parts such as gears, synchronizers and the like in the transmission caused by the wrong gear engagement is reduced.
Furthermore, the reverse gear protection lock operating mechanism can realize the start and stop of the locking action by means of a plurality of mechanisms such as a flexible shaft, an air cylinder, an electromagnetic valve and the like, has strong adaptability and can be automatically selected and adjusted according to the configuration of the whole vehicle.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a reverse gear protection lock operating mechanism of the present invention.
Fig. 2 is a cross-sectional view of the reverse gear protection lock operating mechanism of the present invention along the axial center of the knock pin.
Wherein: the device comprises a 1-operating device shell, a 2-spline housing, a 3-transverse shift lever, a 4-cylindrical pin, a 5-shifting head, a 6-gear selecting shifting head, a 7-gear selecting joint, an 8-ordinary flat key, a 9-elastic cylindrical pin, a 10-control block, a 11-transverse shift lever bushing, a 12-hand feeling pin, a 13-jacking pin, a 14-limiter seat, a 15-limiter cover, a 16-limiting pin, a 17-hexagonal bolt and spring washer assembly, a 18-bolt, a 19-control unit, a 20-positioning screw, a 21-window cover, a 22-return spring, a 23-limiting cover and a 24-hand ball.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 and 2, the invention provides a general reverse gear protection lock operating mechanism, which comprises an operating device shell 1, a spline housing 2, a transverse gear shift lever 3, a cylindrical pin 4, a shift head 5, a gear shift head 6, a gear shift joint 7, a common flat key 8, an elastic cylindrical pin 9, a control block 10, a transverse gear shift lever bushing 11, a hand feeling pin 12, a top pin 13, a limiter seat 14, a limiter cover 15, a limiting pin 16, a hexagon head bolt and spring washer assembly 17, a bolt 18, a control unit 19, a positioning bolt 20, a window cover 21, a return spring 22, a limiting cover 23 and a hand ball 24. The spline housing 2 and the transverse gear shift lever bushing 11 are fixed on the operating device shell 1 in an interference fit manner, and the transverse gear shift lever 3 is restrained through the spline housing 2 and the transverse gear shift lever bushing 11, so that the transverse gear shift lever 3 can only move along the axial direction to perform gear selection action and rotate around the axial direction to perform gear shifting action. The shifting head 5 is fixed on the transverse gear shift lever 3 through a cylindrical pin 4; the control block 10 is fixed to the lateral shift lever 3 by an elastic cylindrical pin 9. The gear selecting joint 7 is fastened on the gear selecting shifting head 6 through a common flat key 8 and a bolt 18.
The selector joint 7 is fixed to the window cover 21 by means of a common flat key 8, and the window cover 21 is fixed to the operator housing 1 by means of four set screws 20. The hand stud 12 is fixed to the operator housing 1, the stopper seat 14 is screwed to the operator housing 1, and the stopper cover 15 is fixed to the stopper seat 14 by a hexagonal bolt and spring washer assembly 17. The knock pin 13 fits into holes inside the hand stud 12, the stopper seat 14 and the stopper cover 15. The limiting pin 16 is installed in the limiter cover 15, is preloaded through the return spring 22, and the limiting cover 23 is installed on the limiter cover 15 through threads and limits the return spring 22. The control unit 19 is connected to the limiting pin 16 and drives the limiting pin 16 to move. The handball 24 is connected to the control unit 19.
The specific working process is as follows:
when the non-reverse gear is required to be selected, the reverse gear switch on the hand ball 24 is closed, the control unit 19 stops acting, the return spring 22 fixes the limiting pin 16 due to the pretightening force, and the limiting pin 16 locks the axial movement of the hand feeling pin 12 through the jacking pin 13. The gear selecting joint 7 rotates to drive the gear selecting shifting head 6 to rotate, the gear selecting shifting head 6 drives the transverse gear shifting rod 3 to axially move, and the transverse gear shifting rod 3 drives the shifting head 5 to finish gear selecting actions. When the lateral shift lever 3 is moved to the right to select the low range and the reverse range, the protrusions on the control block 10 come into contact with the feel pins 12. Since the hand-feeling pin 12 is in a locked state and cannot move, the control block 10, the shift head 5 and the lateral shift lever 3 cannot move rightward, and thus the selection of reverse gear and the engagement of reverse gear are avoided.
When the reverse gear is required to be selected, a reverse gear switch on the hand ball 24 is turned on, the control unit 19 starts to act, the limiting pin 16 moves upwards against the pretightening force of the return spring 22, the locking state of the ejector pin 13 is released, and the axial freedom degree of the ejector pin 13 and the locking hand-feeling pin 12 is obtained. The gear selecting joint 7 rotates to drive the gear selecting shifting head 6 to rotate, the gear selecting shifting head 6 drives the transverse gear shifting rod 3 to axially move, and the transverse gear shifting rod 3 drives the shifting head 5 to finish gear selecting actions. When the lateral shift lever 3 is moved to the right to select the low range and the reverse range, the protrusions on the control block 10 come into contact with the feel pins 12. Because the hand feeling pin 12 can axially move, the bulge on the control block 10 can prop up the hand feeling pin 12, and the control block 10, the shifting head 5 and the transverse gear shifting lever 3 move rightwards, so that a reverse gear can be selected and a reverse gear can be engaged.
The control unit 19 can directly realize that the flexible shaft driven by the handball 24 drives the limiting pin 16; the hand ball 24 can also control the electromagnetic valve to drive the limiting pin 16; the hand ball 24 can also control the air passage to push the air cylinder to drive the limiting pin 16 to realize the limiting.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The universal reverse gear protection lock operating mechanism is characterized by comprising an operating device shell (1), a spline housing (2), a transverse gear shifting lever (3), a shifting head (5), a gear selecting shifting head (6), a gear selecting joint (7), a control block (10), a transverse gear shifting lever bushing (11), a hand feeling pin (12), a top pin (13), a limiter seat (14), a limiter cover (15), a limiting pin (16), a control unit (19), a window cover (21), a return spring (22) and a limiting cover (23);
spline housing (2) and horizontal gear level bush (11) are fixed on controlling device casing (1) to horizontal gear level (3) cooperation constraint, move head (5) and fix on horizontal gear level (3), control block (10) are fixed on horizontal gear level (3), select to keep off and connect (7) fastening on selecting to keep off and move head (6), select to keep off to connect (7) to fix on window lid (21), window lid (21) are fixed on controlling device casing (1), feel pin (12) are fixed on controlling device casing (1), stopper seat (14) are fastened on controlling device casing (1), stopper lid (15) are fixed on stopper seat (14), ejector pin (13) are assembled in the hole of feel pin (12), stopper seat (14) and stopper lid (15) inside, stopper pin (16) are installed in stopper lid (15) through return spring (22) pretension, stopper lid (23) are installed on stopper (16), and stopper (16) are connected in spacing unit (19).
2. A universal reverse gear protection lock operating mechanism according to claim 1, characterized in that the shift head (5) is fixed to the transverse shift lever (3) by means of a cylindrical pin (4).
3. A universal reverse gear protection lock operating mechanism according to claim 1, characterized in that the control block (10) is fixed to the transverse shift lever (3) by means of an elastic cylindrical pin (9).
4. A universal reverse gear protection lock operating mechanism according to claim 1, characterised in that the gear selection joint (7) is fastened to the gear selection shift head (6) by means of a common flat key (8) and a bolt (18).
5. A universal reverse gear protection lock operating mechanism according to claim 1, characterised in that the gear selection joint (7) is fixed to the window cover (21) by means of a common flat key (8).
6. A universal reverse gear protection lock operating mechanism according to claim 1, characterised in that the window cover (21) is fixed to the operating device housing (1) by means of four set screws (20).
7. A universal reverse gear protection lock operating mechanism according to claim 1, characterised in that the limiter cap (15) is secured to the limiter base (14) by a hex head bolt and spring washer combination (17).
8. A universal reverse gear protection lock operating mechanism according to claim 1, characterised in that the control unit (19) is connected to a handball (24).
9. A universal reverse gear protection lock operating mechanism according to claim 1, characterized in that the control unit (19) is a flexible shaft, a solenoid valve or a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284310.5A CN114776796B (en) | 2022-03-22 | 2022-03-22 | General reverse gear protection lock operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284310.5A CN114776796B (en) | 2022-03-22 | 2022-03-22 | General reverse gear protection lock operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776796A CN114776796A (en) | 2022-07-22 |
| CN114776796B true CN114776796B (en) | 2023-12-08 |
Family
ID=82425331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210284310.5A Active CN114776796B (en) | 2022-03-22 | 2022-03-22 | General reverse gear protection lock operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776796B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2131601A1 (en) * | 1993-09-30 | 1995-03-31 | Akira Ibusuki | Reverse Gear Squeal-Preventing Device for Transmission |
| KR19980030213U (en) * | 1996-11-29 | 1998-08-17 | 박병재 | Reverse operation prevention device of automobile transmission |
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| JP2008261360A (en) * | 2007-04-10 | 2008-10-30 | Aisin Ai Co Ltd | Movement prevention structure of idler gear for reverse stage |
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| JP2013167339A (en) * | 2012-02-17 | 2013-08-29 | Aisin Ai Co Ltd | Reverse gear noise prevention mechanism of transmission |
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| CN213451639U (en) * | 2020-08-26 | 2021-06-15 | 宝鸡法士特齿轮有限责任公司 | Gearbox control mechanism for preventing mistaken gear-shifting |
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| Publication number | Publication date |
|---|---|
| CN114776796A (en) | 2022-07-22 |
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