CN107706030B - Self-locking rotary switch - Google Patents
Self-locking rotary switch Download PDFInfo
- Publication number
- CN107706030B CN107706030B CN201710961719.5A CN201710961719A CN107706030B CN 107706030 B CN107706030 B CN 107706030B CN 201710961719 A CN201710961719 A CN 201710961719A CN 107706030 B CN107706030 B CN 107706030B
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- China
- Prior art keywords
- shell
- sleeve
- sliding
- rotating shaft
- positioning seat
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- 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
-
- 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
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a self-locking rotary switch, which comprises a shell and a rotating shaft, wherein one end of the rotating shaft is rotatably arranged in the shell in a penetrating way and is in sliding fit with the shell, a positioning seat is fixedly arranged on the rotating shaft, a plurality of positioning convex edges for abutting against the positioning seat are arranged on the inner wall of the shell, a sliding claw sleeve and a spring are sleeved outside the rotating shaft, a jacking sleeve is sleeved outside the sliding claw sleeve, the sliding claw sleeve and the jacking sleeve form rotating fit, a sleeve shell arranged on the shell is sleeved outside the jacking sleeve, sliding chutes and inclined planes are uniformly distributed on the inner circumferential surface of the sleeve shell, and the rotating shaft is in linkage fit with the sliding claw sleeve and the jacking sleeve along. Through pressing the pivot, promote the top cover and remove to the shell direction, protruding muscle promotes the smooth claw roll-off in following the spout, through with the inclined plane contact after guide to sharp inslot, the positioning seat then passes to the position in location chamber on, the positioning seat is spacing because of both sides location bead, the unable rotation of pivot to realize the function of locking, prevent the emergence of maloperation.
Description
Technical Field
The invention relates to a switch, in particular to a self-locking rotary switch.
Background
The existing rotary switch has a single function, only has a rotary function, and does not have a self-locking function, and in the use process, due to the lack of locking of the rotary knob gear, the rotary knob is touched by mistake easily to cause the switch to be in a non-preset state, so that the rotary switch is inconvenient to use, and the use function of special occasions cannot be met. In addition, when the gear is switched, the virtual position condition often appears, so that the adjustment precision of the rotary switch is low, and the hand feeling is poor.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention provides a self-locking rotary switch which can lock gears to prevent misoperation and has the function of avoiding false positions.
The technical scheme of the invention is as follows: the positioning device comprises a shell, wherein a moving contact, a plurality of fixed contacts and a rotating shaft for controlling the switching between the moving contact and the fixed contacts are arranged in the shell, the rotating shaft is fixedly connected with the moving contact, the plurality of fixed contacts are arranged at intervals and circumferentially surround the periphery of the rotating shaft, one end of the rotating shaft is rotatably arranged in the shell in a penetrating manner and is in sliding fit with the shell, a positioning seat is fixedly arranged on the rotating shaft, a plurality of positioning convex edges for abutting against the positioning seat are arranged on the inner wall of the shell, a positioning cavity of a limiting positioning seat is formed between every two adjacent positioning convex edges, and a channel for the positioning seat to; the rotating shaft is sleeved with a sliding claw sleeve and a spring, one end of the spring is abutted to the outer shell, and the other end of the spring is abutted to the sliding claw sleeve; the outer circumferential surface of the sliding claw sleeve is provided with a first rotating tooth, and a plurality of sliding claws are uniformly distributed on the outer circumferential surface of the first rotating tooth; the sliding claw sleeve is sleeved with a top sleeve, one end of the top sleeve is correspondingly provided with a second rotating tooth which can be in rotating fit with the first rotating tooth, the outer circumference of the second rotating tooth is evenly provided with a plurality of convex ribs, and the convex ribs are in butt fit with the sliding claws on the corresponding sliding claw sleeve; a sleeve shell arranged on the outer shell is sleeved outside the top sleeve, a plurality of sliding grooves for the sliding claws and the convex ribs to slide in are uniformly distributed on the inner circumferential surface of the sleeve shell in the circumferential direction, the sliding grooves are axially arranged, a convex block is formed between every two adjacent sliding grooves, two inclined planes for the sliding claws to slide on are arranged on the convex block, the two inclined planes have the same inclination direction, and a height difference is formed between the two inclined planes to form a sharp groove; the rotating shaft is in linkage fit with the sliding claw sleeve and the jacking sleeve along the axial direction of the rotating shaft.
Adopt above-mentioned technical scheme, through pressing the pivot, promote the top cover and remove to the shell direction, protruding muscle promotes the smooth claw roll-off in following the spout, through with the inclined plane contact after guide to sharp inslot, pivot and positioning seat wholly move the certain distance in the shell, the positioning seat then passes to the position in location chamber on, the positioning seat is spacing because of both sides location bead, the unable rotation of pivot to realize the function of gear locking, prevent the emergence of maloperation.
The invention further comprises the following steps: the positioning seat is provided with a blind hole, an inner spring is arranged in the blind hole, a ball body in contact with the inner spring is arranged at the position of the blind hole, a plurality of arc-shaped long grooves for accommodating the ball body are longitudinally arranged between adjacent positioning convex edges on the inner wall of the shell, and the adjacent two arc-shaped long grooves are arranged at intervals.
By adopting the further arrangement, when the rotating shaft rotates, the positioning seat and the ball body rotate together along with the rotating shaft, the ball body rolls on the inner wall of the shell in an elastic contact manner under the action of the inner spring, and when the ball body is correspondingly accommodated in one of the arc-shaped long grooves, an operator can sense the condition whether the gears are accurately accessed in real time, so that the phenomenon of virtual positions can be effectively avoided, the adjusting precision is improved, the operation is convenient, and the hand feeling is increased.
The invention further provides that: be provided with the spacing bead that supplies the positioning seat butt on the shell inner wall, spacing bead sets up on the extreme point of the effective working range stroke of positioning seat.
Adopt above-mentioned further setting again, restriction positioning seat and pivot inoperative rotation compress the rotation range to effective working range in, reasonable in design.
Still further arrangements of the invention are: the rotating shaft is provided with a first step which is abutted against the top surface of the sliding claw sleeve at the position matched with the sliding claw sleeve in an axial linkage manner, and the rotating shaft is provided with a second step which is abutted against the top surface of the top sleeve at the position matched with the top sleeve in an axial linkage manner.
By adopting the above further arrangement, the first step and the second step respectively enable the rotating shaft to be in linkage fit with the sliding claw sleeve and the jacking sleeve along the axial direction of the rotating shaft.
Still further arrangements of the invention are: the convex rib is provided with a stroke convex rib, and a stroke groove matched with the stroke convex rib in a sliding manner is longitudinally arranged at the position of the sliding groove on the inner wall of the casing.
By adopting the above further arrangement, the stroke convex ribs and the stroke grooves are matched in a sliding manner, so that the top sleeve can only longitudinally move in the stroke of the stroke grooves, and the situation that the convex ribs are guided to the inclined surface is avoided.
Still further arrangements of the invention are: the moving contact is arranged on the rotating shaft in a penetrating mode, and a compression spring abutting against the moving contact is installed in the rotating shaft.
By adopting the above further arrangement, the compression spring can compress the moving contact, so that the moving contact and the fixed contact are contacted more tightly, and the conduction performance is better.
Still further arrangements of the invention are: the static contact comprises an input end and a plurality of output ends, the input end is arranged around the periphery of the rotating shaft in a semi-annular mode, and the plurality of output ends are arranged on the opposite side of the input end relative to the rotating shaft at intervals.
By adopting the above further arrangement, the communication mode of a plurality of output ends of the same input end is adopted, multi-gear output is realized, and the design is reasonable.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is an exploded view of the structure of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the case of the present invention;
the device comprises a shell 1, a movable contact 2, a fixed contact 3, a rotating shaft 4, a sliding claw sleeve 5, a spring 6, a positioning convex rib 11, a positioning cavity 12, a channel 13, an arc-shaped long groove 14, a limiting convex rib 15, a first rotating tooth 51, a sliding claw 52, a top sleeve 7, a second rotating tooth 71, a convex rib 72, a sleeve 8, a sliding groove 81, a convex block 82, an inclined plane 83, a sharp groove 84, a positioning seat 9, a blind hole 91, an inner spring 92, a sphere 93, an input end 31, an output end 32, a first step 41, a second step 42, a stroke convex rib 721, a stroke groove 85 and a compression spring 43.
Detailed Description
The self-locking rotary switch shown in fig. 1-5 comprises a housing 1, a movable contact 2, a plurality of fixed contacts 3 and a rotating shaft 4 for controlling the switching between the movable contact 1 and the fixed contacts 3 are arranged in the housing 1, the rotating shaft 4 is fixedly connected with the movable contact 2, the plurality of fixed contacts 3 are circumferentially arranged at intervals and circumferentially surround the periphery of the rotating shaft 4, one end of the rotating shaft 4 is rotatably arranged in the housing 1 in a penetrating manner and is in sliding fit with the housing 1, a positioning seat 9 is fixedly installed, a plurality of positioning convex ribs 11 for abutting against the positioning seat 9 are arranged on the inner wall of the housing 1, positioning cavities 12 for limiting the positioning seats 9 are formed between the adjacent positioning convex ribs 11, and a channel 13 for the positioning seats 9 to pass through is arranged between the positioning; a sliding claw sleeve 5 and a spring 6 are sleeved outside the rotating shaft 4, one end of the spring 6 is abutted against the shell 1, and the other end of the spring is abutted against the sliding claw sleeve 5; a first rotating tooth 51 is arranged on the outer circumferential surface of the sliding claw sleeve 5, a plurality of sliding claws 52 are uniformly distributed on the outer circumferential surface of the first rotating tooth 51, a top sleeve 7 is sleeved on the sliding claw sleeve 5, a second rotating tooth 71 which can be in rotating fit with the first rotating tooth 51 is correspondingly arranged at one end of the top sleeve 7, a plurality of convex ribs 72 are uniformly distributed on the outer circumferential surface of the second rotating tooth 71, the convex ribs 72 are in butt fit with the sliding claws 52 on the corresponding sliding claw sleeves 5, the top sleeve 7 is sleeved with a sleeve shell 8 arranged on the outer shell 1, a plurality of sliding grooves 81 for the sliding claws 52 and the convex ribs 72 to slide in are evenly distributed on the inner circumference of the sleeve shell 8, the sliding grooves 81 are axially arranged, a convex block 82 is formed between the adjacent sliding grooves 81, two inclined surfaces 83 which are in sliding contact with the sliding claw 52 are arranged on the convex block 82, the two inclined surfaces 83 form a saw-tooth shape, that is, the two inclined surfaces 83 have the same inclination direction and have a height difference between adjacent portions and form a sharp groove 84; the rotating shaft 4 is in linkage fit with the sliding claw sleeve 5 and the top sleeve 7 along the axial direction of the rotating shaft 5. When the sliding claw 52 is in the sliding groove 81, the rotating shaft 4 is pressed, the rotating shaft 4 and the top sleeve 7 are pushed to move a certain distance towards the shell 1, the top sleeve 7 moves along the sliding groove 81 to press the sliding claw sleeve 5 to move, the convex rib 72 pushes the sliding claw 52 to slide out from the sliding groove 81, the sliding claw sleeve 5 rotates under the radial force due to the rotating fit of the first rotating tooth 51 and the second rotating tooth 71, the sliding claw sleeve is guided into the sharp groove 84 after being in sliding contact with the inclined surface 83, the positioning seat 9 is pushed to the position of the positioning cavity 12, the positioning seats 9 are limited by the positioning convex ribs 11 on two sides of the positioning seat 9 at the moment so that the positioning seat 9 cannot rotate, the rotating shaft 4 is limited and restrained in the circumferential direction and the axial direction, the function of gear locking is realized. If the rotating shaft 4 needs to be unlocked and released, the rotating shaft 4 is pressed again, under the action of the spring 6, the rotating shaft 4, the top sleeve 7 and the sliding claw sleeve 5 slide towards the outside of the shell 1, the contact part of the inclined surfaces of the first rotating tooth 51 and the second rotating tooth 71 generates radial force to force the sliding claw sleeve 5 to rotate, the sliding claw 52 slides out of the sharp groove 84, is guided into the sliding groove 81 after being in sliding contact with the inclined surface 83, the positioning seat 9 is separated from the positioning convex rib 11 in the positioning cavity 12 and reaches the position of the channel 13, and then the rotating shaft 4 can be freely rotated for adjustment. When the moving contact 2 and the static contact 3 are arranged at one side of the shell 1 close to the spring 6 and the positioning convex edge 11 is arranged at the opposite side of the shell 1, the moving contact 2 and the static contact 3 are in a separated state in a self-locking state, and the switch is closed; and when the unlocking state is realized, the moving contact 2 is contacted with the static contact 3, the switch of the invention is switched on, and the rotating shaft 4 can be rotated to adjust the gear. When the moving contact 2 and the static contact 3 are arranged on one side of the shell far away from the spring 6, and the positioning convex edge 11 is arranged on the opposite side in the shell 1, the moving contact 2 and the static contact 3 are contacted in a self-locking state, and the gear can be adjusted when the switch is switched on; and when the unlocking state is realized, the moving contact 2 is separated from the static contact 3, and the switch is in a closing state.
The positioning seat 9 is provided with a blind hole 91, an inner spring 92 is arranged in the blind hole 91, a ball 93 contacting the inner spring 92 is arranged at the opening of the blind hole 91, the inner wall of the shell 1 is circumferentially provided with a plurality of arc-shaped long grooves 14 for the ball 93 to be clamped in, and the two adjacent arc-shaped long grooves 14 are arranged at intervals. The static contact 3 includes an input end 31 and a plurality of output ends 32, the input end 31 is disposed around the periphery of the rotating shaft 4 in a semi-annular shape, and the plurality of output ends 32 are disposed at the opposite side of the input end 31 relative to the rotating shaft 4 at intervals. The rotating shaft 4 drives the moving contact 2 to rotate, the positioning seat 9 rotates synchronously with the rotating shaft 4, the ball 93 rolls on the inner wall of the housing 1 in an elastic contact manner under the action of the inner spring 92, and when the ball 93 rolls into the arc-shaped elongated slot 14 correspondingly, the moving contact 2 is conducted with one of the fixed contacts 3, that is, the input end 31 is conducted with one of the output ends 32, and an operator can know whether the moving contact 2 is conducted with the fixed contact 3 in real time.
The inner wall of the shell 1 is provided with a limit bead 15 for abutting the positioning seat 9, and the limit bead 15 is arranged at the end point of the effective working range stroke of the positioning seat 9. When the positioning seat 9 rotates to the position abutting against the limiting convex rib 12, the rotation range of the rotating shaft 4 is the limiting range.
A first step 41 which is abutted against the top surface of the sliding claw sleeve 5 is arranged at the axial linkage matching position of the rotating shaft 4 and the sliding claw sleeve 5, and a second step 42 which is abutted against the top surface of the top sleeve 7 is arranged at the axial linkage matching position of the rotating shaft 4 and the top sleeve 7. The first step 41 and the second step 42 respectively press the pawl case 5 and the top case 7 when the rotation shaft 4 is pressed.
The rib 72 is provided with a travel rib 721, and the sliding groove 81 on the inner wall of the casing 8 is longitudinally provided with a travel groove 85 which is matched with the travel rib 721 in a sliding way. The travel protrusion 721 is slidably engaged with the travel groove 85, so that the top cover 7 can only move longitudinally within the travel of the travel groove 85, and the rib 72 is not guided to the inclined surface 83.
The moving contact 2 is arranged on the rotating shaft 4 in a penetrating way, and a pressure spring 43 which is abutted against the moving contact 2 is arranged in the rotating shaft 4. The compression spring 43 can compress the moving contact 2, so that the moving contact 2 and the static contact 3 are contacted more tightly.
Claims (7)
1. The utility model provides a from locking-type rotary switch, including the shell, be equipped with moving contact, a plurality of static contact in the shell and be used for controlling the pivot that switches between moving contact and the static contact, pivot and moving contact fixed connection, a plurality of static contact are interval arrangement circumference and encircle at the pivot periphery, its characterized in that: one end of the rotating shaft is rotatably arranged in the shell in a penetrating mode and is in sliding fit with the shell, the positioning seat is fixedly arranged on the rotating shaft, a plurality of positioning convex edges for abutting the positioning seat are arranged on the inner wall of the shell, a positioning cavity for limiting the positioning seat is formed between every two adjacent positioning convex edges, and a channel for the positioning seat to pass through is formed between each positioning convex edge and the bottom surface of the shell;
the rotating shaft is sleeved with a sliding claw sleeve and a spring, one end of the spring is abutted against the shell, and the other end of the spring is abutted against the sliding claw sleeve;
the outer circumferential surface of the sliding claw sleeve is provided with a first rotating tooth, and a plurality of sliding claws are uniformly distributed on the outer circumferential surface of the first rotating tooth;
the sliding claw sleeve is sleeved with a top sleeve, one end of the top sleeve is correspondingly provided with a second rotating tooth which can be in rotating fit with the first rotating tooth, the outer circumference of the second rotating tooth is evenly provided with a plurality of convex ribs, and the convex ribs are in butt fit with the sliding claws on the corresponding sliding claw sleeve;
a sleeve shell arranged on the outer shell is sleeved outside the top sleeve, a plurality of sliding grooves for the sliding claws and the convex ribs to slide in are uniformly distributed on the inner circumferential surface of the sleeve shell in the circumferential direction, the sliding grooves are axially arranged, a convex block is formed between every two adjacent sliding grooves, two inclined planes for the sliding claws to slide on are arranged on the convex block, the two inclined planes have the same inclination direction, and a height difference is formed between the two inclined planes to form a sharp groove;
the rotating shaft is in linkage fit with the sliding claw sleeve and the jacking sleeve along the axial direction of the rotating shaft.
2. The self-locking rotary switch of claim 1, wherein: the positioning seat is provided with a blind hole, an inner spring is arranged in the blind hole, a ball body in contact with the inner spring is arranged at the position of the blind hole, a plurality of arc-shaped long grooves for accommodating the ball body are longitudinally arranged between adjacent positioning convex edges on the inner wall of the shell, and the adjacent two arc-shaped long grooves are arranged at intervals.
3. The self-locking rotary switch of claim 2, wherein: the inner wall of the shell is provided with a limiting convex edge for abutting the positioning seat, and the limiting convex edge is arranged at the end point of the effective working range stroke of the positioning seat.
4. Self-locking rotary switch according to claim 1 or 3, characterized in that: the rotating shaft is provided with a first step which is abutted against the top surface of the sliding claw sleeve at the position matched with the sliding claw sleeve in an axial linkage manner, and the rotating shaft is provided with a second step which is abutted against the top surface of the top sleeve at the position matched with the top sleeve in an axial linkage manner.
5. Self-locking rotary switch according to claim 1 or 3, characterized in that: the convex rib is provided with a stroke convex rib, and a stroke groove matched with the stroke convex rib in a sliding manner is longitudinally arranged at the position of the sliding groove in the inner wall of the casing.
6. Self-locking rotary switch according to claim 1 or 3, characterized in that: the moving contact is arranged on the rotating shaft in a penetrating mode, and a compression spring abutting against the moving contact is installed in the rotating shaft.
7. Self-locking rotary switch according to claim 1 or 3, characterized in that: the static contact comprises an input end and a plurality of output ends, the input end is arranged around the periphery of the rotating shaft in a semi-annular shape, and the plurality of output ends are arranged on the opposite side of the input end relative to the rotating shaft at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961719.5A CN107706030B (en) | 2017-10-17 | 2017-10-17 | Self-locking rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961719.5A CN107706030B (en) | 2017-10-17 | 2017-10-17 | Self-locking rotary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706030A CN107706030A (en) | 2018-02-16 |
| CN107706030B true CN107706030B (en) | 2020-05-22 |
Family
ID=61185155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961719.5A Active CN107706030B (en) | 2017-10-17 | 2017-10-17 | Self-locking rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706030B (en) |
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|---|---|---|---|---|
| CN108493029B (en) * | 2018-04-13 | 2020-03-24 | 北京联合大学 | Knob switch for human-computer adaptability research and measuring method |
| CN110876490B (en) * | 2018-09-03 | 2024-06-04 | 湖南中烟工业有限责任公司 | Atomizer and electronic cigarette |
| JP7132064B2 (en) * | 2018-10-02 | 2022-09-06 | 株式会社ヴァレオジャパン | switch device |
| CN109524271B (en) * | 2019-01-04 | 2023-11-24 | 东莞市绿雅家用电器有限公司 | Speed-regulating rotary switch for fan |
| CN113026873B (en) * | 2019-12-25 | 2023-11-17 | 厦门优胜卫厨科技有限公司 | Slide seat and lifting adjusting method of slide seat on rod body |
| CN111130034B (en) * | 2020-01-03 | 2024-06-18 | 海南荆邑科技有限公司 | New energy automobile fire-retardant pencil sheath |
| CN111261441B (en) * | 2020-01-19 | 2021-11-30 | 邳州市鑫盛创业投资有限公司 | Prevent gaseous fire extinguishing systems of track traffic of mistake jet-propelled promptly to start and stop button |
| CN112164641A (en) * | 2020-10-30 | 2021-01-01 | 上海良信电器股份有限公司 | Rotary operator and rotary switch |
| CN112216567A (en) * | 2020-10-30 | 2021-01-12 | 上海良信电器股份有限公司 | Operating device for rotary switch and rotary switch |
| CN118136438B (en) * | 2024-05-08 | 2024-07-19 | 深圳市德兰明海新能源股份有限公司 | Rotary switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204011195U (en) * | 2014-08-08 | 2014-12-10 | 昌辉汽车电器（黄山）股份公司 | The anti-error switch of a kind of knob |
| CN204088132U (en) * | 2014-09-23 | 2015-01-07 | 浙江佳龙电子有限公司 | Push-button switch |
| CN205845802U (en) * | 2016-07-28 | 2016-12-28 | 东南电子股份有限公司 | Rotary switch |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3789733B2 (en) * | 2000-07-06 | 2006-06-28 | アルプス電気株式会社 | Compound operation switch |
| JP5906380B2 (en) * | 2011-10-18 | 2016-04-20 | パナソニックＩｐマネジメント株式会社 | Rotation switch |
| CN102403153B (en) * | 2011-12-01 | 2014-01-22 | 珠海市敏夫光学仪器有限公司 | Rotary multiple-gear switch |
| CN207302946U (en) * | 2017-10-17 | 2018-05-01 | 浙江佳龙电子有限公司 | Self-locking rotary switchs |
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2017
- 2017-10-17 CN CN201710961719.5A patent/CN107706030B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204011195U (en) * | 2014-08-08 | 2014-12-10 | 昌辉汽车电器（黄山）股份公司 | The anti-error switch of a kind of knob |
| CN204088132U (en) * | 2014-09-23 | 2015-01-07 | 浙江佳龙电子有限公司 | Push-button switch |
| CN205845802U (en) * | 2016-07-28 | 2016-12-28 | 东南电子股份有限公司 | Rotary switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107706030A (en) | 2018-02-16 |
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