CN113124143B - Electronic knob gear shifting mechanism assembly without dead point during gear shifting - Google Patents
Electronic knob gear shifting mechanism assembly without dead point during gear shifting Download PDFInfo
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- CN113124143B CN113124143B CN202110456715.8A CN202110456715A CN113124143B CN 113124143 B CN113124143 B CN 113124143B CN 202110456715 A CN202110456715 A CN 202110456715A CN 113124143 B CN113124143 B CN 113124143B
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- force storage
- wheel
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- knob
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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
- 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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses an electronic knob gear shifting mechanism assembly without dead points for gear shifting, which comprises a lower shell and an upper shell, wherein a main control board is fixedly installed in the lower shell, and a rotary Hall element is installed on the main control board; a support body is fixedly arranged in the upper shell, a stop block is fixedly arranged in the support body, a stop tooth form is arranged on the inner side of the stop block, an induction wheel is rotatably arranged in the support body, external teeth are arranged on the outer side of the induction wheel, and a permanent magnet is fixedly arranged on the induction wheel opposite to the rotary Hall element; the utility model discloses a gear wheel, including a support body, the pedestal internal rotation is installed and is kept off the position wheel, the outside fixed mounting of keeping off the position wheel has the external tooth, the external tooth of keeping off the position wheel meshes with the external tooth of response wheel, the both ends of keeping off the position wheel are provided with the thimble blind hole, install thimble spring and thimble in the thimble blind hole, the thimble cooperates with keeping off the position profile of tooth, the knob passes the epitheca and passes through the rotation of power storage mechanism drive fender position wheel. The invention has the advantages of reducing the probability of error reporting of the mechanism and improving the driving safety.
Description
Technical Field
The invention relates to the technical field of electronic gear shifters, in particular to an electronic knob gear shifting mechanism assembly without dead points in gear shifting.
Background
With the rapid development of electronic technology in the field of automobiles, electronic control systems are increasingly used on automobiles nowadays to replace original mechanical control units, such as gear shifters, actuators, parking and the like, and these electronic mechanisms also replace the previous mechanical mechanisms which are bulky and heavy, and have smaller and smaller volumes, lighter and lighter weights and simpler operations, so that the automobiles nowadays are rapidly pushed to intellectualization.
Among these electronic mechanisms, the numerical shift mechanism is the most widely varied.
The prior gear shifter is limited by mechanical transmission control, and a gear lever operation mode is adopted no matter where the gear shifter is installed, such as a floor, a front instrument panel bracket, a combined switch at the lower part of a steering wheel and the like.
The popularization of the existing electric control unit is that a knob type gear shifter which is never imaginable before is born. The gear shifting mode is simple, and the gear shifting mode is the same as that of a mechanism which is operated by a knob and used for a fan at home and the like; the shifting force is light, even if ladies with small strength can easily drive, the ladies can quickly get the market acceptance, and the shifting force is developed into the second generation product.
The knob shifter is characterized in that when a driver shifts gears, the knob rotates, the knob drives the gear shifting wheel to rotate through the meshed tooth profile, the thimble spring and the thimble are mounted on the gear shifting wheel, the corresponding gear shifting tooth profile is designed on the support body corresponding to the thimble, and the gear shifting hand feeling is realized through the matching use of the thimble, the thimble spring and the gear shifting wheel. The gear wheel is provided with a gear structure, the gear wheel simultaneously drives the induction wheel to rotate when rotating, the gear structure is also designed on the induction wheel, the permanent magnet arranged on the induction wheel rotates along with the induction wheel, the permanent magnet can change a magnetic field when rotating, a rotary Hall element is arranged on a main control board assembly at the corresponding position of the permanent magnet, the Hall element can sense the magnetic field change caused by the permanent magnet, and the change angle is output to realize the output of a gear shifting signal.
As shown in figure 1, due to the fact that a small shifting force is adopted, the shifting force is about 5N to 8N, the tooth shape 1 tooth point height of the shifting block is not large in consideration of the problem of shifting noise, and the shifting block is made of plastic materials. When the plastic material is manufactured, when a sharp point structure appears, a round angle phenomenon can be automatically generated during injection molding, namely an R round angle, and the R round angle is also needed to exist in consideration of smoothness of a gear shifting process. During gear shifting, the thimble starts to climb at the tooth root 2, and the gear shifting force is equal to the climbing resistance and the friction resistance, so that the gear shifting force can be sensed; when the thimble moves, the shifting force is smaller and smaller, when the thimble moves to the highest point of the R fillet, the shifting force is not available, the rest is the friction resistance, in addition, the force value of the thimble spring 4 after being pressed is larger, and friction force can be generated between materials, so when the applied shifting force is close to the shifting friction force, the thimble stays and stands at the tooth-shaped sharp point 3, and the dead point phenomenon in the shifting process is formed. When the phenomenon occurs, the central processing unit of the mechanism cannot judge a specific gear, so that the output error of the gear shifting is caused, the central processing unit misjudges that the gear shifting is failed, and the automobile control is failed and serious, and traffic accidents are caused. Therefore, the R round angle cannot be eliminated, and how appropriate the R round angle is to be made is a great difficulty in the tooth profile design of the current stop block.
If there is a thrust automatically generated along the gear shifting direction, when the thimble moves to the tooth-shaped sharp point, the gear shifting climbing angle is finished, the rest is only friction force, the friction force is usually very small, and the automatically generated forward pushing force can continuously push the thimble to continuously move as long as being larger than the friction force, so that the dead point phenomenon can not occur.
When a gear shifting dead point phenomenon occurs in the gear shifting process, the micro central processing unit on the gear shifter cannot identify and judge the angle signal sent by the rotary Hall element, gear failure is judged, the failure signal is sent to an automobile, when the central processing unit on the automobile receives the gear failure signal, a series of corresponding automatic control of the whole automobile which is not controlled by a driver can be carried out, for example, the operation right of an accelerator (an accelerator) of the driver is taken over, the fault signal of the whole automobile is sent to flash light, an emergency lamp light is turned on, and then emergency braking and the like are implemented.
When the gear shifting dead point phenomenon occurs, the vehicle runs on an urban road, and the result is good under the condition that the vehicle speed is not fast (less than 60 steps), the passengers on the vehicle are scared due to emergency braking and have traffic accidents due to vehicle rubbing, but if the passengers on the vehicle are on a highway, the result is very serious under the condition that the vehicle speed is fast (more than 100 steps).
Although the second generation knob gear shifter on the market is improved for the disadvantage of the gear shifting dead point phenomenon on electric appliances for many times, for example, vehicle models such as SUV of great dogs in great wall just after the market, the gear shifting dead point phenomenon is improved by adopting a stepless gear shifting mode, gear shifting delay, knob weight addition and the like, so that gear shifting is blurred, and the fault tolerance is increased, the disadvantage of the gear shifting dead point is not fundamentally solved so far.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will be solved is how to provide an electron knob gearshift assembly of no dead point of shifting, reduces the probability that the mechanism reported the mistake, improves driving safety, has reduced the emergence of traffic accident to the quality cost has been reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
an electronic knob gear shifting mechanism assembly without dead points for gear shifting comprises a lower shell and an upper shell, wherein a main control board is fixedly installed in the lower shell, a rotary Hall element is installed on the main control board, and an MCU (micro central processing unit) in signal connection with the rotary Hall element is installed on the main control board;
the upper shell is fixedly connected with the lower shell, and a through hole allowing the knob to pass through is arranged on the upper shell in a penetrating manner;
a support body is fixedly arranged in the upper shell, a stop block is fixedly arranged in the support body, a stop tooth form is arranged on the inner side of the stop block, an induction wheel is rotatably arranged in the support body, external teeth are arranged on the outer side of the induction wheel, and a permanent magnet is fixedly arranged on the induction wheel opposite to the rotary Hall element;
the utility model discloses a gear wheel, including a support body, the pedestal internal rotation is installed and is kept off the position wheel, the outside fixed mounting of keeping off the position wheel has the external tooth, the external tooth of keeping off the position wheel meshes with the external tooth of response wheel, the both ends of keeping off the position wheel are provided with the thimble blind hole, install thimble spring and thimble in the thimble blind hole, the thimble with keep off the position profile of tooth cooperation, the knob passes to perforate and drives through the power storage mechanism and keep off the position wheel rotation.
Preferably, the force storage mechanism comprises a force storage disc, the force storage disc is fixedly connected with the knob, the force storage disc is connected with the gear wheel through a force storage element, the gear wheel is provided with a mounting hole, and the force storage element is located in the mounting hole;
the force storage element comprises a force storage block and a force storage spring, the force storage block is T-shaped, the upper end of the force storage block is positioned above the gear wheel, the lower end of the force storage block is positioned in the mounting hole, the force storage block is fixedly connected with the force storage disc,
the power storage block is provided with a mounting groove, the power storage spring is located in the mounting groove, two sides of the power storage spring are located on the outer side of the mounting groove, and the mounting hole is provided with a containing groove opposite to two sides of the power storage spring.
Preferably, the power storage disc is fixedly provided with a stop block, and the lower end of the knob is opposite to the stop block and is provided with a notch matched with the stop block.
Preferably, the force storage elements are arranged in two and on opposite sides of the gear wheel.
Preferably, the two opposite ends of the mounting groove are convexly provided with mounting blocks, and the two ends of the force storage spring are positioned outside the mounting blocks.
As an optimization, a clamping block is fixedly installed at the upper end of the force storage block, and a clamping groove matched with the clamping block is formed in the force storage disc.
To sum up, this electronic knob gearshift assembly of no dead point of shifting has following beneficial effect:
1. the invention decomposes the gear shifting force of the knob gear shifter in detail, expounds the design and manufacturing difficulties of key parts on the knob gear shifter and fundamentally solves the defect of gear shifting dead points;
2. according to the invention, the starting distance is increased when the knob is started, the braking distance is increased when the knob is stopped, the displacement of the force storage disc is fixed (the displacement can be adjusted according to actual requirements), and the influence of mass inertia and unfixed in-place when the knob is stopped is avoided, a control circuit does not need a self-learning function and the requirement of advanced stopping any more, and the requirement on the function of a control electric appliance is reduced;
3. the invention decomposes the execution load, increases the starting stroke and reduces the requirement of auxiliary lubricating grease on the actuator;
4. the processing and manufacturing cost of the gear shifter is reduced as a whole.
Drawings
Fig. 1 is a schematic view of a tooth form, an ejector pin and an ejector pin spring of a shift block disclosed in the background art of the present invention.
Fig. 2 is a schematic structural diagram of an electronic knob shift mechanism assembly for shifting gears without dead points according to the present invention.
Fig. 3 is a schematic view of another orientation of fig. 2 with the upper and lower shells removed.
Fig. 4 is a connection diagram of the knob, the force storage disk and the force storage element.
Fig. 5 is an isometric view of a force storage member.
Fig. 6 is an isometric view of a force storage disk.
Fig. 7 is an isometric view of fig. 3 with the main control panel removed.
FIG. 8 is an isometric view of the stop block with the ejector pin and ejector pin spring.
Fig. 9 is a schematic view of fig. 7 with the support body removed.
Fig. 10 is a connection diagram of the shift wheel and the force storage element.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 2-10, an electronic knob gear shift assembly without dead point for gear shift comprises a lower shell 5 and an upper shell 6, wherein a main control board 7 is fixedly installed in the lower shell, a rotary hall element 28 is installed on the main control board, and an MCU in signal connection with the rotary hall element is installed on the main control board;
the upper shell is fixedly connected with the lower shell, and a through hole allowing the knob to pass through is arranged on the upper shell in a penetrating manner;
a support body 9 is fixedly installed in the upper shell, a stop block 10 is fixedly installed in the support body, a stop tooth profile 11 is arranged on the inner side of the stop block, an induction wheel 12 is rotatably installed in the support body, external teeth are arranged on the outer side of the induction wheel, and a permanent magnet is fixedly installed on the induction wheel opposite to the rotary Hall element;
the utility model discloses a gear wheel, including support body, thimble spring, thimble 15, bearing seat internal rotation install gear wheel 13, the outside fixed mounting of gear wheel has the external tooth, the external tooth of gear wheel meshes with the external tooth of inductive wheel, the both ends of gear wheel are provided with the thimble blind hole, install thimble spring 14 and thimble 15 in the thimble blind hole, the thimble cooperates with the profile of tooth of gear, knob 16 passes the perforation and drives the gear wheel rotation through storing up power mechanism.
In this embodiment, the force storage mechanism includes a force storage disk 17, the force storage disk is fixedly connected with the knob, the force storage disk is connected with the gear wheel through a force storage element 8, the gear wheel is provided with a mounting hole 18, and the force storage element is located in the mounting hole;
the force storage element comprises a force storage block 19 and a force storage spring 20, the force storage block is T-shaped, the upper end of the force storage block is positioned above the gear wheel, the lower end of the force storage block is positioned in the mounting hole, the force storage block is fixedly connected with the force storage disc,
the power storage block is provided with a mounting groove, the power storage spring is located in the mounting groove, two sides of the power storage spring are located on the outer side of the mounting groove, and the mounting hole is provided with accommodating grooves 22 opposite to two sides of the power storage spring.
In this embodiment, the power storage disc is fixedly provided with a stop block 23, and the lower end of the knob is opposite to the stop block and is provided with a notch matched with the stop block.
In this embodiment, the force storage elements are provided with two force storage elements and are arranged on two opposite sides of the gear wheel.
In this embodiment, the two opposite ends of the mounting groove are provided with mounting blocks 25 in a protruding manner, and the two ends of the force storage spring are located outside the mounting blocks.
In this embodiment, the upper end of the force storage block is fixedly provided with a clamping block 26, and the force storage disc is provided with a clamping groove 27 matched with the clamping block.
The principle is as follows:
rotate the knob, when the knob was rotatory round a pedestal center, the fender position wheel that directly drives, but drive the power of storing up and coil a pedestal center rotatoryly (also can directly drive the power of storing up piece, this needs according to product structure decision), store up the power dish and drive 2 power of storing up pieces again and store up the piece, store up the power piece and install on keeping off the position wheel, store up the power spring through 2 and be connected with fender position wheel, the release force of storing up the power spring only is greater than the frictional resistance that shifts. When the gear is changed, the knob is rotated to drive the pressure storage disc and the pressure storage block, the pressure storage block compresses the pressure storage spring to compress the stored force, and the gear shifting force is greater than the friction resistance, so that the pressure storage spring compresses the stored force and then drives the gear wheel to move. The gear wheel is provided with 2 ejector pin springs and 2 ejector pins, the two ejector pins are matched with a gear block arranged on a support body for use, so that the knob has obvious gear feeling during gear shifting, when the ejector pins move to gear tooth tops on the gear block, gear shifting resistance disappears, and the stored force of the force storage springs starts to be released.
When the gear wheel is rotating, the external teeth on the gear wheel simultaneously drive the induction wheel component matched with the gear wheel to rotate, the permanent magnet is arranged on the induction wheel component, the permanent magnet is just aligned with the rotary Hall element arranged on the main control board below, the rotary Hall element can acquire the rotating angle of the permanent magnet and send the rotating angle to a Micro Control Unit (MCU) on the main control board, and the MCU can convert the received angle signal into a gear signal to send the gear signal to the automobile to realize gear shifting.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (1)
1. The electronic knob gear shifting mechanism assembly is characterized by comprising a lower shell and an upper shell, wherein a main control board is fixedly installed in the lower shell, a rotary Hall element is installed on the main control board, and an MCU in signal connection with the rotary Hall element is installed on the main control board;
the upper shell is fixedly connected with the lower shell, and a through hole allowing the knob to pass through is arranged on the upper shell in a penetrating manner;
a support body is fixedly arranged in the upper shell, a stop block is fixedly arranged in the support body, a stop tooth form is arranged on the inner side of the stop block, an induction wheel is rotatably arranged in the support body, external teeth are arranged on the outer side of the induction wheel, and a permanent magnet is fixedly arranged on the induction wheel opposite to the rotary Hall element;
the gear wheel is rotatably mounted in the support body, external teeth are fixedly mounted on the outer side of the gear wheel, the external teeth of the gear wheel are meshed with the external teeth of the induction wheel, ejector pin blind holes are formed in two ends of the gear wheel, ejector pin springs and ejector pins are mounted in the ejector pin blind holes, the ejector pins are matched with the gear teeth, and the knob penetrates through the through hole and drives the gear wheel to rotate through the force storage mechanism;
the force storage mechanism comprises a force storage disc, the force storage disc is fixedly connected with the knob, the force storage disc is connected with the gear wheel through a force storage element, the gear wheel is provided with a mounting hole, and the force storage element is positioned in the mounting hole;
the force storage element comprises a force storage block and a force storage spring, the force storage block is T-shaped, the upper end of the force storage block is positioned above the gear wheel, the lower end of the force storage block is positioned in the mounting hole, the force storage block is fixedly connected with the force storage disc,
the force storage block is provided with a mounting groove, the force storage spring is positioned in the mounting groove, two sides of the force storage spring are positioned outside the mounting groove, and the mounting hole is provided with a containing groove opposite to two sides of the force storage spring;
a stop block is fixedly arranged on the force storage disc, and a notch matched with the stop block is formed in the position, opposite to the stop block, of the lower end of the knob; the two force storage elements are arranged on two opposite sides of the gear wheel; the two opposite ends of the mounting groove are convexly provided with mounting blocks, and the two ends of the force storage spring are positioned outside the mounting blocks; the upper end of the force storage block is fixedly provided with a clamping block, and a clamping groove matched with the clamping block is formed in the force storage disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456715.8A CN113124143B (en) | 2021-04-27 | 2021-04-27 | Electronic knob gear shifting mechanism assembly without dead point during gear shifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456715.8A CN113124143B (en) | 2021-04-27 | 2021-04-27 | Electronic knob gear shifting mechanism assembly without dead point during gear shifting |
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| Publication Number | Publication Date |
|---|---|
| CN113124143A CN113124143A (en) | 2021-07-16 |
| CN113124143B true CN113124143B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110456715.8A Active CN113124143B (en) | 2021-04-27 | 2021-04-27 | Electronic knob gear shifting mechanism assembly without dead point during gear shifting |
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| CN (1) | CN113124143B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105637263A (en) * | 2013-10-17 | 2016-06-01 | Zf腓德烈斯哈芬股份公司 | Device for locking an operating element of an automatic transmission of a vehicle, method for operating such a device and switching device for switching an automatic transmission of a vehicle |
| CN209587109U (en) * | 2019-02-25 | 2019-11-05 | 重庆睿格汽车部件有限公司 | A kind of knob lift electric line control selector |
| CN209839133U (en) * | 2019-02-25 | 2019-12-24 | 重庆睿格汽车部件有限公司 | Knob resetting mechanism of knob lifting type electronic wire control gear shifter |
| CN110966394A (en) * | 2018-09-28 | 2020-04-07 | Sl株式会社 | Rotary speed variator for vehicle |
| CN112065979A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | 360 unlimited rotatory knob electron shelves selector and car |
-
2021
- 2021-04-27 CN CN202110456715.8A patent/CN113124143B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105637263A (en) * | 2013-10-17 | 2016-06-01 | Zf腓德烈斯哈芬股份公司 | Device for locking an operating element of an automatic transmission of a vehicle, method for operating such a device and switching device for switching an automatic transmission of a vehicle |
| CN110966394A (en) * | 2018-09-28 | 2020-04-07 | Sl株式会社 | Rotary speed variator for vehicle |
| CN209587109U (en) * | 2019-02-25 | 2019-11-05 | 重庆睿格汽车部件有限公司 | A kind of knob lift electric line control selector |
| CN209839133U (en) * | 2019-02-25 | 2019-12-24 | 重庆睿格汽车部件有限公司 | Knob resetting mechanism of knob lifting type electronic wire control gear shifter |
| CN112065979A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | 360 unlimited rotatory knob electron shelves selector and car |
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| CN113124143A (en) | 2021-07-16 |
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