CN102419616A - Vehicular multimedia knob and knob adjustment device - Google Patents
Vehicular multimedia knob and knob adjustment device Download PDFInfo
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- CN102419616A CN102419616A CN2010102924966A CN201010292496A CN102419616A CN 102419616 A CN102419616 A CN 102419616A CN 2010102924966 A CN2010102924966 A CN 2010102924966A CN 201010292496 A CN201010292496 A CN 201010292496A CN 102419616 A CN102419616 A CN 102419616A
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- link
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Abstract
The invention provides a vehicular multimedia knob which comprises a knob cover and a knob outer ring which is fixedly connected with the knob cover. The vehicular multimedia knob is characterized in that the knob cover comprises a cover top and a cover body with a first containing cavity, wherein the knob outer ring is internally provided with a supporting assembly; the supporting assembly comprises an annular supporting plate, a supporting column and a connecting component; the annular supporting plate and the supporting column are connected through the connecting component; when outside pressure is passed to the connecting component through the knob cover and exceeds the maximum preset pressure borne by the connecting component, the connecting component is broken; and the supporting column enters the first containing cavity of the cover body and the cover body can drive the supporting column to rotate. According to the invention, requirements of related regulations of the knob are satisfied so that harm to passengers is reduced; and moreover, the collapsed knob can be continuously used so as to ensure that an automobile multimedia system works normally, and therefore the utilization comfort of the automobile multimedia system and automobile quality are increased.
Description
Technical field
The present invention relates to a kind of vehicle mounted multimedia knob and knob regulating device.
Background technology
In the knob that exists on the market at present; A part is a shrinkable mechanism not; This kind knob is for guaranteeing its feel; Generally highly all surpass the relevant laws and regulations requirement, the distance at relevant laws and regulations regulation top knob portion to panel top has so just reduced automotive trim anticollision grade and security below 9.5mm.If but the distance at top knob portion to panel top is controlled at below the 9.5mm; Though met relevant laws and regulations; Automotive trim anticollision grade and security have also improved, but the feel of knob self has reduced, and have a strong impact on the comfortableness that vehicle multimedia system uses.A part of in addition knob is can crumple, mainly is in all kinds of automobiles that concentrate on the American-European market, but this knob is done the time spent receiving big external force; Though the knob crumple has been gone down; Promptly meet the relevant laws and regulations requirement, but since during crumple Knob mechanisms be damaged, the knob function also just completely loses; Make vehicle multimedia system not work normally; Particularly when some maloperations and destruction, cause vehicle multimedia system not work normally, with comfort that has a strong impact on vehicle multimedia system and automobile quality.
Summary of the invention
The present invention provides a kind of super good feel that had both guaranteed that the knob height brought for solving the above-mentioned technical matters that prior art exists, and also can meet the associated safety laws and regulations requirement, and have the vehicle mounted multimedia knob of crumple function.
For solving the problems of the technologies described above, the invention provides a kind of vehicle mounted multimedia knob, comprise knob lid and the knob outer ring that is fixedly connected with the knob lid; It is characterized in that said knob lid comprises caping and the lid that has first container cavity, said knob is provided with a supporting component in the outer ring; This supporting component comprises annular supports plate, support column and link; Be connected through link between said annular supports plate and the support column, when ambient pressure passes to link through the knob lid, when surpassing the maximum preset pressure that link can bear; Link fracture, support column enter in first container cavity of lid and lid can drive support column and rotates.
The present invention also provides a kind of vehicle mounted multimedia knob regulating device, comprises knob, panel, pcb board and is fixed on the scrambler on the pcb board, and said panel is provided with groove; Pcb board is fixed in the groove of panel, it is characterized in that, said knob comprises knob lid and the knob outer ring that is fixedly connected with the knob lid; The knob lid comprises caping and the lid that has first container cavity; Be provided with a supporting component in the knob outer ring, this supporting component comprises annular supports plate, support column and link, is connected through link between said annular supports plate and the support column; Said scrambler links to each other with support column; When ambient pressure passes to link through knob lid, when surpassing the maximum preset pressure that link can bear, the link fracture; Support column enters in first container cavity of lid and lid can drive support column and rotates, and whole knob is towards the crumple of panel direction.
Can find out from vehicle mounted multimedia knob provided by the invention and vehicle mounted multimedia knob regulating device technical scheme; Through the vehicle mounted multimedia knob that adopts such scheme to make; Both guarantee the super good feel that the knob height brings, and also can meet the associated safety laws and regulations requirement.When receiving mishap; This vehicle mounted multimedia knob receives the external force effect; When if this external force surpasses the maximum preset pressure that link can bear; Link fracture, support column enter in first container cavity of lid and lid can drive support column and rotates, and whole knob is towards the crumple of panel direction.Like this, on the one hand, do the time spent receiving the external force that can bear above link; Link fracture, whole knob make whole knob descend with respect to the distance of panel towards the crumple of panel direction; The safe altitude that reaches relevant laws and regulations requires (top knob portion to the distance at panel top is controlled at below the 9.5mm); Thereby reduced injury to the passenger, on the other hand, during owing to the crumple of vehicle mounted multimedia knob; Support column enters in first container cavity of lid and lid can drive support column and rotates; Make the knob after the crumple can continue to use like this, thereby guaranteed the operate as normal of vehicle multimedia system, improved the comfort and the automobile quality of vehicle multimedia system.
Description of drawings
Fig. 1 is an embodiment vehicle mounted multimedia knob structure decomposing schematic representation provided by the invention.
Fig. 2 is an embodiment vehicle mounted multimedia knob regulating device STRUCTURE DECOMPOSITION synoptic diagram provided by the invention.
Fig. 3 is the vehicle mounted multimedia knob regulating device cut-open view before the embodiment crumple provided by the invention.
Fig. 4 is the vehicle mounted multimedia knob regulating device cut-open view after the embodiment crumple provided by the invention.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is an embodiment vehicle mounted multimedia knob structure decomposing schematic representation provided by the invention; Consult Fig. 1; The vehicle mounted multimedia knob comprises knob lid 1 and knob outer ring 2, and wherein knob lid 1 comprises caping 10 and the lid 11 that has first container cavity 12, is provided with a supporting component 20 in the knob outer ring 2; This supporting component 20 comprises annular supports plate 21, support column 22 and link 23, is connected through link 23 between annular supports plate 21 and the support column 22.Preferably; Said support column 22 comprises from link 23 and deviates from the supporter with second container cavity 28 29 that knob lid 1 extends to form; And from link 23 towards the protruding boss (not drawing among the figure) of knob lid 1; This boss and supporter 29 are integrally formed, and this boss is nested in the opening part of first container cavity 12 of lid 11, when link 23 fractures; Supporter 29 and boss enter in first container cavity 12 of lid 11, and first container cavity, 12 inside surfaces of the outside surface of supporter 29 and lid 11 are fitted.The above-mentioned purpose that boss is set is; When link 23 bears big external force effect, promptly reach the condition of its fracture, during link 23 fractures; The setting of boss has been played guide effect well for first container cavity 12 that support column 22 enters into lid 11; So just guaranteed further that support column 22 enters in first container cavity 12 of lid 11 apace, thereby made the height of vehicle mounted multimedia knob of the present invention meet the requirement of associated safety rules, avoided personal injury the passenger.
Above-mentioned link 23 preferably is made up of the four ribs bar; And the four ribs bar evenly is arranged at the periphery of annular supports plate 21; The caping 10 of knob lid 1 is provided with two screw posts 13; The annular supports plate 21 of said knob outer ring 2 is provided with two screw holes 24 corresponding respectively with two screw posts 13, through two screws 25 knob lid 1 is fixed on the annular supports plate 21 of knob outer ring 2.Also be provided with two reference columns 14 on the caping 10, annular supports plate 21 is provided with two corresponding with reference column 14 respectively pilot holes 26.When ambient pressure passes to link 23 through knob lid 1; When surpassing the maximum preset pressure (for example 378N) that link 23 can bear; 23 fractures of link; Thereby supporter 29 and boss then enter in first container cavity 12 of lid 11 and because the outside surface of supporter 29 is fitted with first container cavity, 12 inside surfaces of lid 11, make lid 11 can drive supporter 29 and boss rotation.
The xsect of above-mentioned supporter 29 and lid 11 is semicircle, and this is a kind of optimal way, and purpose is that first container cavity 12 that further prevents supporter 29 relative lids 11 is done axially rotation.Certainly, the xsect of said supporter 29 and lid 11 is not limited to above-mentioned shape, also can be other shapes such as fan-shaped, triangle.First container cavity, 12 inboards of said lid 11 also are provided with the many supporter 29 close-fitting raised lines that are used for support column 22, and to be the supporter 29 that prevents support column 22 slide with respect to first container cavity 12 of lid 11 purpose relatively.Certainly, first container cavity, 12 inboards of said lid 11 are not limited to be provided with many raised lines, and other shapes such as many screw threads also can be set.
In the practical implementation; Link 23 is not limited to above-mentioned situation (being made up of the four ribs bar); Said link 23 can be many ribs to be formed, and perhaps said link 23 also can be the different shapes such as web joint that both sides have rib, only need satisfy following condition and get final product; Be connected between annular supports plate 21 and the support column 22, and bear preset pressure and just can rupture.Wherein, preset pressure can be set according to concrete needs by the deviser, and for example, the impact pressure that receives when receiving mishap is generally 300N～378N.In order to satisfy the condition that link 23 just can rupture in preset pressure; Can take all factors into consideration for the thickness of shape, material and the link 23 of link 23; And,, therefore do not elaborate at this because this is the prior art of art technology through calculating and experiment obtains.
In the practical implementation, above-mentioned screw post 13, screw hole 24 and screw 25 are not limited to two, can be a plurality ofly, and its quantity can rationally determine according to the deviser; Because the quantity of above-mentioned screw post 13, screw hole 24 and screw 25 is many more, connect fasteningly more, but cost is higher; And when quantity few more, cost is low more, but connects fastening inadequately or the like; By on can know that the used quantity of above-mentioned screw post 13, screw hole 24 and screw 25 is many or few both advantageous and disadvantageous, the deviser can take all factors into consideration according to specific requirement.In like manner reference column 14 and pilot hole 26 also are not limited to two, and its quantity also can be taken all factors into consideration decision according to the deviser.
In the practical implementation; Said knob outer ring 2 can be one-body molded through mould with supporting component 20; Wherein supporting component 20 comprises annular supports plate 21, support column 22 and link 23, and purpose is to have shortened the Production Time of knob outer ring 2 and supporting component 20 on the one hand; On the other hand, guaranteed that also knob outer ring 2 is connected with the tight of supporting component 20.
Fig. 2 is an embodiment vehicle mounted multimedia knob regulating device STRUCTURE DECOMPOSITION synoptic diagram provided by the invention, consults Fig. 2, vehicle mounted multimedia knob regulating device; Comprise knob, panel 3, pcb board 6 and be fixed on the scrambler 5 on the pcb board 6; Said panel 3 is provided with groove 30, and pcb board 6 is fixed in the groove 30 of panel 3, and scrambler 5 has central shaft 50 moving up and down; Said knob comprises knob lid 1 and the knob outer ring 2 that is fixedly connected with knob lid 1; Knob lid 1 comprises caping 10 and the lid 11 that has first container cavity 12, is provided with a supporting component 20 in the knob outer ring 2, and this supporting component 20 comprises annular supports plate 21, support column 22 and link 23; Be connected through link 23 between said annular supports plate 21 and the support column 22; This link 23 is made up of the four ribs bar, and the four ribs bar evenly is arranged at the periphery of annular supports plate 21, and the caping 10 of knob lid 1 is provided with two screw posts 13; The annular supports plate 21 of said knob outer ring 2 is provided with two screw holes 24 corresponding respectively with screw post 13, through two screws 25 knob lid 1 is fixed on the annular supports plate 21 of knob outer ring 2.Also be provided with two reference columns 14 on the caping 10; Annular supports plate 21 is provided with the pilot hole 26 corresponding respectively with reference column 14, and said scrambler 5 links to each other with support column 22, when ambient pressure passes to link 23 through knob lid 1; When surpassing the maximum preset pressure (for example 378N) that link 23 can bear; Link 23 fracture, support column 22 enter in first container cavity 12 of lid 11 and lid 11 can drive support column 22 and rotates, and whole knob is towards panel 3 direction crumples.The safe altitude that had so both met relevant laws and regulations requires (distance that knob covers 1 top to panel, 3 tops is controlled at below the 9.5mm); Thereby reduced injury to the passenger; And; Because during the crumple of vehicle mounted multimedia knob, support column 22 enters in first container cavity 12 of lid 11 and lid 11 can drive support column 22 and rotates, and makes that like this knob after the crumple can continue to use; Thereby guaranteed the operate as normal of vehicle multimedia system, improved the comfort and the automobile quality of vehicle multimedia system.
Present embodiment also comprises leaded light circle 4; This leaded light circle 3 places in the groove 30 of panel 3, and groove 30 inboards of panel 3 are provided with draw-in groove 31, and leaded light circle 4 outsides are provided with the buckle 41 corresponding with the draw-in groove of groove 30 31; Can leaded light circle 4 be fixed in the groove 30 through buckle 41 and being used of draw-in groove 31 like this; Certainly, can be provided with draw-in groove 31, and be provided with the buckle 41 corresponding in groove 30 inboards of panel 3 with the draw-in groove of leaded light circle 4 31 in leaded light circle 4 outsides; Perhaps leaded light circle 4 is fixed in the groove 30 of panel 3, like welding, bolt etc. through other modes.The central shaft 50 of said scrambler 5 runs through leaded light circle 4 and links to each other with the support column 22 of knob.Wherein, the purpose that the leaded light circle is set is to be convenient to the user and to use vehicle mounted multimedia knob regulating device evening.
Fig. 3 is the vehicle mounted multimedia knob regulating device cut-open view before the embodiment knob crumple provided by the invention, and Fig. 4 is the vehicle mounted multimedia knob regulating device cut-open view after the embodiment knob crumple provided by the invention.Consulting Fig. 3 and Fig. 4 can know, vehicle mounted multimedia knob regulating device of the present invention comprises two states, state after state and the knob crumple before the knob crumple.
Be described in detail with regard to the vehicle mounted multimedia knob regulating device (consulting Fig. 3) before the knob crumple at present.
Vehicle mounted multimedia knob regulating device; Comprise knob, panel 3, leaded light circle 4, scrambler 5 and pcb board 6; Said pcb board 6 is fixed on the panel 3; The said scrambler 5 that has central shaft 50 moving up and down is fixed on the pcb board 6, and said panel 3 is provided with groove 30, and these groove 30 internal fixation are provided with leaded light circle 4.Wherein, Knob comprises knob lid 1 and knob outer ring 2; Knob lid 1 comprises caping 10 and the lid 11 that has first container cavity 12 again, is provided with a supporting component 20 in the knob outer ring 2, and this supporting component 20 comprises annular supports plate 21, support column 22 and link 23; Be connected through link 23 between annular supports plate 21 and the support column 22; The caping 10 of knob lid 1 is provided with two screw posts 13, and the annular supports plate 21 of said knob outer ring 2 is provided with two screw holes 24 corresponding respectively with screw post 13, through two screws 25 knob lid 1 is fixed on the annular supports plate 21 of knob outer ring 2.Also be provided with two reference columns 14 on the caping 10, annular supports plate 21 is provided with the pilot hole 26 corresponding respectively with reference column 14, and the central shaft 50 of said scrambler 5 runs through leaded light circle 4 and links to each other with the support column 22 of knob.B among the figure is meant the bottom of first container cavity 12 of lid 11 to the distance (before the knob crumple) on the top of support column 22, and c is meant that 2 lower surfaces 27, knob outer ring are to the distance of leaded light circle 4 inner bottom surfaces 42 before the crumple.Certainly, if in the practical implementation, leaded light circle 4 is not set, then c is meant that 2 lower surfaces 27, knob outer ring are to the distance of groove 30 inner bottom surfaces (not drawing among the figure) after the crumple.
Fig. 4 is the vehicle mounted multimedia knob regulating device cut-open view after the embodiment knob crumple provided by the invention; Consulting Fig. 4 can know, when ambient pressure passes to link 23 through knob lid 1, when surpassing the maximum preset pressure (like 378 N) that link 23 can bear; Link 23 fractures; Support column 22 enters in first container cavity 12 of lid 11 and first container cavity, 12 interference fit of support column 22 and lid 11, makes lid 11 can drive support column 22 and rotates, like this; Not only meet the requirement of relevant laws and regulations for the knob height, promptly the knob distance of covering 1 top to panel, 3 tops is controlled at below the 9.5mm.Certainly; Can pass through the distance of control b, thereby the knob before the concrete control handle crumple covers the distance (feel when satisfying people's adjusting knob requires) at 1 top to panel, 3 tops and the distance (meeting the relevant laws and regulations requirement) that the knob after the knob crumple covers 1 top to panel, 3 tops.In addition; Because after the knob crumple; Support column 22 enters in first container cavity 12 of lid 11 and lid 11 can drive support column 22 and rotates; Whole knob makes that towards panel 3 direction crumples the knob after the crumple still can be used with the central shaft 50 of scrambler 5, so just makes knob to reuse.A is meant after the crumple 2 lower surfaces 27, knob outer ring to the distance of leaded light circle 4 inner bottom surfaces 42 among the figure, and wherein a should be greater than the central shaft 50 of scrambler 5 range movably.Certainly, if in the practical implementation, leaded light circle 4 is not set, then a is meant that 2 lower surfaces 27, knob outer ring are to the distance of groove 30 inner bottom surfaces (not drawing among the figure) after the crumple.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a vehicle mounted multimedia knob comprises knob lid and the knob outer ring that is fixedly connected with the knob lid, it is characterized in that; Said knob lid comprises caping and the lid that has first container cavity; Said knob is provided with a supporting component in the outer ring, and this supporting component comprises annular supports plate, support column and link, is connected through link between said annular supports plate and the support column; When ambient pressure passes to link through the knob lid; When surpassing the maximum preset pressure that link can bear, the link fracture, support column enters in first container cavity of lid and lid can drive support column and rotates.
2. vehicle mounted multimedia knob according to claim 1 is characterized in that, said maximum preset pressure is 300N～378N.
3. vehicle mounted multimedia knob according to claim 1 is characterized in that, serve as reasons many ribs of said link are formed, and many ribs evenly are arranged at the periphery of annular supports plate.
4. vehicle mounted multimedia knob according to claim 1; It is characterized in that; Said support column comprises that deviating from knob from link covers the supporter with second container cavity that extends to form, and builds protruding boss from link towards knob, and this boss and supporter are integrally formed; And this boss is nested in the opening part of first container cavity of lid; When link ruptured, supporter and boss entered in first container cavity of lid, and the first container cavity inside surface of the outside surface of supporter and lid is fitted.
5. vehicle mounted multimedia knob according to claim 4 is characterized in that the xsect of said supporter and lid is semicircle, and the xsect of perhaps said supporter and lid is fan-shaped.
6. according to each described vehicle mounted multimedia knob of claim 1 to 5, it is characterized in that said knob outer ring and supporting component are one-body molded.
7. according to each described vehicle mounted multimedia knob of claim 1 to 5; It is characterized in that; The caping of said knob lid is provided with two screw posts; The annular supports plate of said knob outer ring is provided with two screw holes corresponding respectively with the screw post, through two screws the knob lid is fixed on the annular supports plate of knob outer ring.
8. according to each described vehicle mounted multimedia knob of claim 1 to 5, it is characterized in that also be provided with two reference columns on the said caping, said annular supports plate is provided with two corresponding with reference column respectively pilot holes.
9. according to each described vehicle mounted multimedia knob of claim 1 to 5, it is characterized in that the first container cavity inboard of said lid is provided with many and is used for and the close-fitting raised line of support column.
10. a vehicle mounted multimedia knob regulating device comprises knob, panel, pcb board and is fixed on the scrambler on the pcb board, and said panel is provided with groove; Pcb board is fixed in the groove of panel, it is characterized in that, said knob comprises knob lid and the knob outer ring that is fixedly connected with the knob lid; The knob lid comprises caping and the lid that has first container cavity; Be provided with a supporting component in the knob outer ring, this supporting component comprises annular supports plate, support column and link, is connected through link between said annular supports plate and the support column; Said scrambler links to each other with support column; When ambient pressure passes to link through knob lid, when surpassing the maximum preset pressure that link can bear, the link fracture; Support column enters in first container cavity of lid and lid can drive support column and rotates, and whole knob is towards the crumple of panel direction.
11. vehicle mounted multimedia knob regulating device according to claim 10 is characterized in that, also comprises the leaded light circle, said leaded light circle is fixed in the groove of panel, and said scrambler runs through the leaded light circle and links to each other with the support column of knob.
12. vehicle mounted multimedia knob regulating device according to claim 11; It is characterized in that the outside of leaded light circle is provided with buckle, the groove inboard of said panel is provided with corresponding draw-in groove; The outside of perhaps said leaded light circle is provided with draw-in groove, and the groove inboard of said panel is provided with corresponding buckle.
13., it is characterized in that said maximum preset pressure is 300N～378N according to each described vehicle mounted multimedia knob regulating device of claim 10 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010292496 CN102419616B (en) | 2010-09-27 | 2010-09-27 | Vehicular multimedia knob and knob adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010292496 CN102419616B (en) | 2010-09-27 | 2010-09-27 | Vehicular multimedia knob and knob adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102419616A true CN102419616A (en) | 2012-04-18 |
| CN102419616B CN102419616B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010292496 Active CN102419616B (en) | 2010-09-27 | 2010-09-27 | Vehicular multimedia knob and knob adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102419616B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102931016A (en) * | 2012-10-29 | 2013-02-13 | 上海福太隆汽车电子科技有限公司 | Crumpling energy absorption structure of knob |
| CN103413716A (en) * | 2013-07-17 | 2013-11-27 | 上海福太隆汽车电子科技有限公司 | Automobile air conditioner controller rotary knob collapse energy absorption structure |
| CN103455082A (en) * | 2012-05-30 | 2013-12-18 | 佛山普立华科技有限公司 | Voice frequency adjusting knob |
| CN104282227A (en) * | 2014-10-24 | 2015-01-14 | 珠海格力电器股份有限公司 | Electrical equipment and gear position display device thereof |
| CN110010399A (en) * | 2019-04-01 | 2019-07-12 | 宁波福尔达智能科技有限公司 | Vehicle rotary switch |
| CN110262624A (en) * | 2019-06-13 | 2019-09-20 | 珠海双喜电器股份有限公司 | A kind of knob of outer ring rotating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103455082A (en) * | 2012-05-30 | 2013-12-18 | 佛山普立华科技有限公司 | Voice frequency adjusting knob |
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| CN103413716A (en) * | 2013-07-17 | 2013-11-27 | 上海福太隆汽车电子科技有限公司 | Automobile air conditioner controller rotary knob collapse energy absorption structure |
| CN103413716B (en) * | 2013-07-17 | 2015-08-12 | 上海福太隆汽车电子科技有限公司 | A kind of automobile air conditioner controller rotary knob collapse energy absorption structure |
| CN104282227A (en) * | 2014-10-24 | 2015-01-14 | 珠海格力电器股份有限公司 | Electrical equipment and gear position display device thereof |
| CN110010399A (en) * | 2019-04-01 | 2019-07-12 | 宁波福尔达智能科技有限公司 | Vehicle rotary switch |
| CN110010399B (en) * | 2019-04-01 | 2024-04-16 | 宁波福尔达智能科技股份有限公司 | Knob switch for vehicle |
| CN110262624A (en) * | 2019-06-13 | 2019-09-20 | 珠海双喜电器股份有限公司 | A kind of knob of outer ring rotating |
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| Publication number | Publication date |
|---|---|
| CN102419616B (en) | 2013-10-30 |
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