CN110010399B - Knob switch for vehicle - Google Patents
Knob switch for vehicle Download PDFInfo
- Publication number
- CN110010399B CN110010399B CN201910257111.3A CN201910257111A CN110010399B CN 110010399 B CN110010399 B CN 110010399B CN 201910257111 A CN201910257111 A CN 201910257111A CN 110010399 B CN110010399 B CN 110010399B
- Authority
- CN
- China
- Prior art keywords
- ring plate
- inner ring
- base
- knob
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
- H01H19/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/08—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The knob switch for the vehicle is characterized by comprising a panel, a base, a rotating bracket, a knob, a circuit board, a connecting wire and a rear cover, wherein the panel is provided with a guide cavity; the circuit board is arranged at the lower end of the base and comprises an inner ring plate and an outer ring plate positioned at the periphery of the inner ring plate, a crumple rib is connected between the inner ring plate and the outer ring plate, and a partition gap is formed among the outer side surface of the inner ring plate, the inner side surface of the outer ring plate and the adjacent crumple rib; the connecting wire is flexible and can be bent, and the connecting wire can output signals of the inner ring plate to the outer ring plate after the crumple ribs are broken; the rear cover is arranged below the circuit board and the front end of the rear cover is provided with a standby containing cavity for containing the inner ring board. After the automobile collides, the crumple rib is broken, the knob and the inner ring plate sink into the standby containing cavity of the rear cover, the inner ring plate and the outer ring plate are connected normally, the knob can still be operated, and the escape opportunity is reserved for drivers and passengers.
Description
Technical Field
The present disclosure relates to a switch, and particularly to a rotary switch for a vehicle.
Background
The automobile uses the driving mode switch, and most of the driving modes are switched through the operation of the knob, so that the operation is more convenient. The knob disposed on the switch assembly must be convex, and is typically mounted relatively firmly and cannot be retracted. When an automobile driving collision accident occurs, the raised knob is likely to cause personal injury to an automobile passenger, and the safety of the existing driving mode switch is still to be improved.
Thus, national standard GB11552-2009 requires the 4.1.5 standard: when these members protrude above the instrument panel surface by a height of 9.5mm, these members should be able to retract into the instrument or fall off with a flat end ram having a diameter of no more than 50mm, applying a forward longitudinal horizontal force of 378N thereto. When retracted, the protruding height should be below 9.5 mm; when detached, dangerous projections with a height exceeding 9.5mm have to be left in place.
In order to meet the international standard, the technical staff carries out structural improvement, and refer to a Chinese patent utility model 'collapsible knob switch' with patent number ZL201420826894.5 (issued publication number CN 204303641U), wherein an omega-shaped spring of the patent is fixed in a knob, when the knob is subjected to external force, the omega-shaped spring can be opened, and the knob can be retracted into a box body, so that the collapse function is realized.
The knob assembly in the Chinese patent 'automobile driving mode switch assembly' with the patent number ZL N201621428021.4 (the issued publication number CN 206271577U) can be referred to, when the knob assembly is impacted by a large force, the corresponding elastic snap fastener which is matched with the knob assembly is stressed and broken, and the easily broken crumple ribs below the cavity are stressed and broken, so that the knob assembly is sunk and crumpled into the switch, the crumple knob assembly is not bulged, the injury to passengers can be reduced to a certain extent, and the safety of the driving mode switch assembly is improved
According to the existing crumple structure with the purpose of crumpling the circuit board, the requirements of automobile safety regulations can be met, but the defects are that: 1. the operation function of the switch after collapsing is completely lost, so that the automobile can not continue to normally run according to the needs of a driver, and the escape opportunity of the driver and passengers after traffic accidents is blocked; 2. the switch is simple and rough in the collapsing process, and the switch is directly broken and does not have the function of buffering and continuously absorbing energy.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a knob switch for a vehicle, which can still work continuously after the knob switch is collapsed.
The invention aims to provide the knob switch for the vehicle, which can quickly absorb energy in the collapsing process and reduce the damage to human bodies.
The technical scheme adopted for solving the technical problems is as follows: a knob switch for a vehicle is characterized by comprising
A panel having a guide cavity;
A base;
the rotating bracket can rotate around the central axis of the rotating bracket relative to the base;
A knob rotatably disposed in the guide cavity of the panel and connected to the rotating bracket;
The circuit board is arranged at the lower end of the base and comprises an inner ring plate and an outer ring plate positioned at the periphery of the inner ring plate, a crumple rib is connected between the inner ring plate and the outer ring plate, and a partition gap is formed among the outer side surface of the inner ring plate, the inner side surface of the outer ring plate and the adjacent crumple rib;
the connecting wire is flexible and bendable, two ends of the connecting wire are respectively connected with the outer ring plate and the inner ring plate, and the connecting wire can output signals of the inner ring plate to the outer ring plate after the crumple ribs are broken; and
The rear cover is arranged below the circuit board and the front end of the rear cover is provided with a standby containing cavity for containing the inner ring board;
the signal output on the circuit board can be changed under the rotating state of the knob.
The base downwardly extending is provided with a limit post, correspondingly, a limit groove is arranged in the standby containing cavity of the rear cover, and after the inner ring plate collapses to drive the base to sink, the limit post stretches into the limit groove so as to limit the circumferential rotation of the base.
The inner side of the rear cover is provided with a plurality of support columns, the outer ring plate is arranged on the upper end face of the support column, and the support columns enclose the standby accommodating cavity.
The lower part of the panel is provided with an annular guide ring surrounding the guide cavity. The annular guide ring can prevent the knob from inclining in the collapsing process, so that the collapsing ribs can be collapsed and broken simultaneously, and the impact force can be absorbed sufficiently and uniformly.
The circuit board is covered with an energy absorbing film. The energy-absorbing film can fully absorb the impact force of collision in the collapsing process, plays a role in protecting drivers and passengers, and can be normally separated after collapsing to prevent the damage caused by collision. Preferably, the thickness of the energy absorbing film is 0.4-0.8 mm.
The middle part of the base is provided with a guide body with a circular section, and correspondingly, the rotary support is provided with a cylinder body sleeved on the guide body, and the cylinder body can rotate relative to the guide body.
The lower end of the cylinder body is provided with a step part, correspondingly, the lower end of the base is positioned at the periphery of the guide body and is provided with an annular connecting frame, and the connecting frame extends upwards to be provided with a clamping foot for limiting the step part to be separated from the base.
Compared with the prior art, the invention has the advantages that: after the automobile collides and exceeds a certain acting force, the crumple rib breaks, the knob and the inner ring plate sink into the standby containing cavity of the rear cover, the inner ring plate and the outer ring plate are connected normally, the knob can still be operated, and thus signals generated by the operation switch can still be transmitted normally; the inside spare part of make full use of switch, increase the structural feature that guarantees that the switch can continue to operate after collapsing on spare part and make the switch function after collapsing still function normal operation, let the car switch function normal after bumping, reserve the chance of fleing for driver and passengers.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is an exploded view of an embodiment.
Fig. 3 is a cross-sectional view of an embodiment.
Fig. 4 is a combination view of the rotating bracket, the base and the circuit board in fig. 1.
Fig. 5 is a reverse side view of fig. 4.
Fig. 6 is a schematic view of another view structure of the rear cover in fig. 2.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1,2, 3 and 4, the vehicular knob switch in the present embodiment includes a panel 1, a base 4, a rotating bracket 3, a knob 2, an energy absorbing film 5, a wiring board 6, a connection wire 7 and a rear cover 8. The panel 1 has a guide cavity 11 and an annular guide ring 12 surrounding the guide cavity 11 under the panel 1.
The base 4 is provided with a limiting column 42 extending downwards, the middle part of the base 4 is provided with a guide body 44 with a circular cross section, the lower end of the base 4 is positioned at the periphery of the guide body 44 and is provided with an annular connecting frame 45, and the connecting frame 45 extends upwards and is provided with a clamping foot 41 for limiting the step part 31 to be separated from the base 4. The lower end of the base 4 is provided with a convex point 43 and a positioning hole 51 of the energy absorption film 5 to realize accurate positioning.
The rotating bracket 3 can rotate around the central axis of the rotating bracket relative to the base 4; specifically, the rotating bracket 3 has a cylindrical body 33 fitted over the guide body 44, and the cylindrical body 33 is rotatable relative to the guide body 44. The lower end of the cylindrical body 33 has a stepped portion 31.
The knob 2 is rotatably arranged in the guide cavity 11 of the panel 1 and is connected with the rotary bracket 3; specifically, as shown in fig. 2,3 and 4, the knob 2 has a locking block 21 on the inner side, and a locking hole 32 for locking and matching with the locking block 21 is provided above the rotating bracket 3.
As shown in fig. 5, the circuit board 6 is provided at the lower end of the base 4, and the circuit board 6 includes an inner ring plate 62 and an outer ring plate 61 positioned on the outer periphery of the inner ring plate 62, crush ribs 63 are connected between the inner ring plate 62 and the outer ring plate 61, and a partition gap 64 is formed between the outer side surface of the inner ring plate 62, the inner side surface of the outer ring plate 61, and the adjacent crush ribs 63.
The connecting wire 7 is flexible and can be bent, so that the inner ring plate 62 and the outer ring plate 61 can still be connected normally after the positions of the inner ring plate and the outer ring plate are changed, the switching function failure caused by the problems of large occupied space, easy breakage after bending and the like of a conventional wire harness is avoided, and the electric appliance signals of a switch can still be normally transmitted after the collision of an automobile is ensured. The connection wire 7 is connected to the outer ring plate 61 and the inner ring plate 62 at both ends, respectively, and the connection wire 7 can output a signal of the inner ring plate 62 to the outer ring plate 61 after the crush rib 63 breaks.
As shown in fig. 6, the rear cover 8 is disposed below the circuit board 6 and has a standby accommodating chamber 81 at the front end for accommodating the inner ring plate 62. The standby cavity 81 of the rear cover 8 is internally provided with a limit groove 83, and after the inner ring plate 62 collapses to drive the base 4 to sink, the limit post 42 stretches into the limit groove 83 so as to limit the circumferential rotation of the base 4. The inner side of the rear cover 8 is provided with a plurality of support columns 82, the outer ring plate 61 is arranged on the upper end face of the support columns 82, and the plurality of support columns 82 enclose a standby accommodating cavity 81.
The energy absorbing film 5 is covered on the circuit board 6. The thickness of the energy-absorbing film 5 is 0.4-0.8 mm, and the thickness ensures normal separation when the energy-absorbing film collapses, and simultaneously, the energy is fully absorbed in the collapsing process. The energy absorbing film in the embodiment is made of silica gel and has elasticity, weather resistance, high temperature resistance, aging resistance, insulativity and waterproof sealing property.
Working principle: the knob 2 is collapsed when receiving 378N of forward longitudinal horizontal force, at this time, the collapse rib 63 arranged between the inner ring plate 62 and the outer ring plate 61 is broken, the inner ring plate 62 and the outer ring plate 61 are separated along with the breakage of the collapse rib 3, the knob 2 is sunk under the guiding action of the guiding cavity 11 arranged on the panel, the inner ring plate 62 moves downwards, the outer ring plate 61 is kept at the original position by the action of the supporting column 82, the energy absorbing film 5 is fixedly paved on the circuit board 6, the energy absorbing film 5 is separated in the relative movement of the inner ring plate 62 and the outer ring plate 61, the collision impact force is slowed down until the energy absorbing film 5 is completely separated, and in the process, the energy absorbing film 5 serves as an acting piece for energy absorption, so that the direct impact injury of drivers to the knob and the panel is reduced; after the inner ring plate 62 and the outer ring plate 61 are separated, the connecting wire 7 is still connected with the inner ring plate 62 and the outer ring plate 61, so that electric signals are kept and transmitted, the inner ring plate 62 is collapsed and moves downwards to the standby containing cavity 81 of the rear cover, the knob 2, the rotating support 3 and the base 4 are fixed on the circuit board and fall into the standby containing cavity 81 together with the inner ring plate 62, the limit posts 42 extend into the limit grooves 83, the circumferential rotation of the base 4 can be limited, the size of the high panel of the knob 2 at the moment is smaller than 9.5mm, the knob can still be rotated normally, and the functional operability of an automobile after collision is guaranteed.
Claims (6)
1. A knob switch for a vehicle is characterized by comprising
A panel (1) having a guide cavity (11);
a base (4);
a rotating bracket (3) which can rotate around the central axis of the rotating bracket relative to the base (4);
A knob (2) rotatably provided in a guide cavity (11) of the panel (1) and connected to the rotary bracket (3);
A wiring board (6) provided at the lower end of the base (4), the wiring board (6) comprising an inner ring plate (62) and an outer ring plate (61) positioned on the outer periphery of the inner ring plate (62), crush ribs (63) being connected between the inner ring plate (62) and the outer ring plate (61), and a partition gap being formed between the outer side surface of the inner ring plate (62), the inner side surface of the outer ring plate (61) and the adjacent crush ribs (63);
A connecting wire (7) which is flexible and bendable, wherein both ends of the connecting wire (7) are respectively connected with the outer ring plate (61) and the inner ring plate (62), and the connecting wire (7) can output signals of the inner ring plate (62) to the outer ring plate (61) after the crush ribs (63) are broken; and
A rear cover (8) which is arranged below the circuit board (6) and the front end of which is provided with a standby containing cavity (81) for containing the inner ring board (62);
The signal output on the circuit board can be changed under the rotating state of the knob;
The base (4) is provided with a limiting column (42) in a downward extending mode, correspondingly, a limiting groove (83) is formed in a standby containing cavity (81) of the rear cover (8), and after the inner ring plate (62) is collapsed to drive the base (4) to sink, the limiting column (42) stretches into the limiting groove (83) so as to limit the circumferential rotation of the base (4);
The inner side of the rear cover (8) is provided with a plurality of support columns (82), the outer ring plate (61) is arranged on the upper end face of the support column (82), and the plurality of support columns (82) enclose the standby containing cavity (81).
2. The rotary switch for a vehicle according to claim 1, characterized in that the lower part of the panel (1) has an annular guide ring (12) around the guide cavity (11).
3. The knob switch for a vehicle according to claim 1, wherein the circuit board (6) is covered with an energy absorbing film (5).
4. A knob switch for a vehicle according to claim 3, characterized in that the thickness of the energy absorbing film (5) is 0.4-0.8 mm.
5. The rotary switch for a vehicle according to claim 1, wherein the base (4) has a guide body (44) having a circular cross section in a middle portion thereof, and the rotary bracket (3) has a cylindrical body (33) fitted over the guide body (44), the cylindrical body (33) being rotatable with respect to the guide body (44).
6. The knob switch for a vehicle according to claim 5, wherein the lower end of the cylinder (33) has a stepped portion (31), and correspondingly, the lower end of the base (4) is provided with an annular connecting frame (45) on the outer periphery of the guide body (44), and the connecting frame (45) is provided with a clamping leg (41) extending upward to limit the stepped portion (31) from being separated from the base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257111.3A CN110010399B (en) | 2019-04-01 | 2019-04-01 | Knob switch for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257111.3A CN110010399B (en) | 2019-04-01 | 2019-04-01 | Knob switch for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110010399A CN110010399A (en) | 2019-07-12 |
| CN110010399B true CN110010399B (en) | 2024-04-16 |
Family
ID=67169325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257111.3A Active CN110010399B (en) | 2019-04-01 | 2019-04-01 | Knob switch for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010399B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816214A (en) * | 2019-11-27 | 2020-02-21 | 安徽江淮汽车集团股份有限公司 | Air conditioner control panel crumple structure, vehicle-mounted air conditioner and automobile |
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| CN209544218U (en) * | 2019-04-01 | 2019-10-25 | 宁波福尔达智能科技有限公司 | Vehicle rotary switch |
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| KR20140025245A (en) * | 2012-08-22 | 2014-03-04 | 현대모비스 주식회사 | Knob assembly of electronic equipment for vehicle |
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| DE102007042765A1 (en) * | 2007-09-07 | 2009-03-12 | Preh Gmbh | Push button/rotary switch/rotating actuator for commercial motor vehicle, has lining or system panel of passenger cabin accommodated in actuator, where actuator is movable from operating position to sinking position by applying force |
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| CN204130412U (en) * | 2014-10-11 | 2015-01-28 | 奇瑞汽车股份有限公司 | A kind of knob crumple mechanism of automobile-used control panel |
| CN204720363U (en) * | 2015-06-16 | 2015-10-21 | 上汽通用五菱汽车股份有限公司 | A kind of air-conditioning controller knob collapse structure |
| CN205487884U (en) * | 2016-03-15 | 2016-08-17 | 宁波福尔达智能科技有限公司 | Automobile -used knob indicator assembly structure |
| CN205706060U (en) * | 2016-05-05 | 2016-11-23 | 华晨汽车集团控股有限公司 | Automotive air-conditioning controller crumple mechanism |
| CN106406421A (en) * | 2016-11-29 | 2017-02-15 | 惠州市德赛西威汽车电子股份有限公司 | Collapsible turn button structure capable of recovery after collapsibility |
| CN206271577U (en) * | 2016-12-24 | 2017-06-20 | 浙江泰康电子有限公司 | vehicle drive mode switch assembly |
| CN207488876U (en) * | 2017-11-08 | 2018-06-12 | 宝沃汽车（中国）有限公司 | Knob structure and with its vehicle |
| CN207607458U (en) * | 2017-11-13 | 2018-07-13 | 宁波奇亚电控科技有限公司 | A kind of Vehicle Control Panel with crumple function |
| CN209544218U (en) * | 2019-04-01 | 2019-10-25 | 宁波福尔达智能科技有限公司 | Vehicle rotary switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110010399A (en) | 2019-07-12 |
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