CN113889358B - Knob switch without non-contact gear - Google Patents
Knob switch without non-contact gear Download PDFInfo
- Publication number
- CN113889358B CN113889358B CN202111103056.6A CN202111103056A CN113889358B CN 113889358 B CN113889358 B CN 113889358B CN 202111103056 A CN202111103056 A CN 202111103056A CN 113889358 B CN113889358 B CN 113889358B
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- Prior art keywords
- gear
- plate
- contact piece
- base
- upper cover
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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
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
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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
- H01H19/08—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
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the technical field of electronic accessories, in particular to a knob switch without non-contact gears, which comprises a base, an upper cover, a rotating handle, gear contact pieces, a gear elastic piece and a contact pin assembly, wherein the base is in a square block shape, a circular plate groove is formed in the middle of a block body, an upper cover is arranged on one side of the base and is buckled on the base, the rotating handle penetrates through the upper cover, the rotating handle is in a T-shaped disc shape, the gear contact pieces are arranged in the circular plate groove of the base, the gear elastic piece is sleeved on a cylinder body of the rotating handle, and the gear elastic piece is padded between the disc body and the upper cover of the rotating handle.
Description
Technical Field
The invention relates to the technical field of electronic accessories, in particular to a knob switch without non-contact gears.
Background
The switch among the prior art has the coexistence function of contact gear and non-contact gear, needs the gear selection and switches on under the continuous condition at the product, and current switch function can't satisfy the requirement, and can rotate to the non-contact gear in gear conversion stroke.
If the rotary switch can be used, the switch knob can be rotated randomly and cannot be rotated to a non-contact gear, so that the problem can be solved, and the rotary switch without the non-contact gear is provided.
Disclosure of Invention
The present invention provides a knob switch without non-contact gear to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a knob switch of no non-contact gear, includes base, upper cover, rotatory handle, gear contact piece, gear shell fragment and contact foot subassembly, the base is the middle part of square cubic and block and sets up the disc groove, one side of base is provided with the upper cover, and the upper cover is detained on the base, it has the rotatory handle to cover to run through, the rotatory handle is the T type disc, be provided with the gear contact piece in the base disc groove, the cover has the gear shell fragment on the cylinder of rotatory handle, the gear shell fragment pad is between the disk body and the upper cover of rotatory handle, the tank bottom position of base is provided with the contact foot subassembly, the contact foot subassembly includes a main road contact piece and 5 branch road contact pieces, main road contact piece and branch road contact piece all have one end to extend to the base outside, and main road contact piece and branch road contact piece all have partial fixed embedding in the base.
Preferably, the upper cover shape is two half mouth-shaped deckle boards for one side an organic whole of square board is connected with, and half mouth-shaped deckle board and square board mutually perpendicular distribute, with half mouth-shaped deckle board adjacent distribution be two rectangular boards, rectangular board and the square board body coupling of covering on, and mutually perpendicular distribute each other, the round hole is seted up at the square board middle part of base, and the inner chamber wall of round hole is fitted with a contraceptive ring and is equipped with 5 evenly distributed's square groove.
Preferably, an organic whole is connected with two protrusion boards on the block lateral wall of base, and two protrusion board symmetry laminating are in the block both sides of base, and the half mouth of a mouth shape deckle board cover on the upper cover is on the protrusion board on the base, and sets up the scarf on the protrusion board, cover on and set up the spout on two lateral walls adjacent with the protrusion board, the rectangular slab of upper cover agrees with and sets up in the spout on the lateral wall of upper cover, the one corner of upper cover is fixed with the protrusion post, and the through-hole that the protrusion post of upper cover run through the square board one corner of base and set up.
Preferably, the disk body of rotatory handle and gear contact piece cup joint in the cylinder groove of base, and the disk body of gear contact piece and rotatory handle is connected, the cylinder shape of rotatory handle is offered the plane groove for cylinder one side, be connected with four arc risers that the even ring was established with the bottom surface edge an organic whole of cylinder homonymy on the disk body of rotatory handle, the gear shell fragment is annular plate shape and the integrative protrusion board that has four evenly distributed on the lateral wall of the ring body, the gear shell fragment agrees with and sets up in the ring channel that sets up in disk body one side of rotatory handle, protrusion board on the gear shell fragment is by the arc riser centre gripping on the rotatory handle disk body, set up two symmetric distribution's V type jut on the annular plate on the gear shell fragment, V type jut one end on the gear shell fragment extends to the square groove of seting up on the square slab of upper cover.
Preferably, one side face, back to the cylinder body, of the disc body of the rotary handle is a plane, the plane is integrally connected with a thick clamping column, a middle clamping column and a thin clamping column, the gear contact piece is integrally shaped like a horseshoe, specifically, one side of the large semi-ring plate is integrally connected with the small semi-ring plate, two inclined semi-ring plates are sleeved outside the small semi-ring plate, the end portion of the large semi-ring plate, the end portion of the small semi-ring plate and the end portion of the inclined semi-ring plate on the gear contact piece are integrally connected, the waist portion of the inclined semi-ring plate on the gear contact piece is provided with a V-shaped protrusion, two symmetrically distributed long inclined plates are arranged between the large semi-ring plate and the small semi-ring plate on the gear contact piece, one end of each long inclined plate is fixed on the large semi-ring plate on the gear contact piece, and the other end portion of each long inclined plate is provided with the V-shaped protrusion.
Preferably, three thick screens post a ray of expansion distribution is in the disk body middle part position of rotation handle, and the thick screens post at both ends, a thick screens post runs through the semicircle orifice of seting up on the big semicircular plate of gear contact piece, another thick screens post runs through the semicircle orifice of seting up on the little semicircular plate on the gear contact piece, one side of thick screens post is provided with the medium-sized screens post of two symmetric distributions, and the opposite side is provided with the thin screens post of two symmetric distributions, the through-hole of seting up on the big semicircular plate of gear contact piece is run through to the medium-sized screens post, the through-hole of seting up on the little semicircular plate on the gear contact piece is run through to the thin screens post.
Preferably, main road contact piece shape is J template one end body coupling L template, and the other end body coupling annular plate of J template, the annular plate setting of main road contact piece is in cylinder groove tank bottom middle part position on the base, V type jut all contacts with the annular plate on the main road contact piece on two swash plates on the gear contact piece, the shape of branch road contact piece is L template one end body coupling sector plate, and the sector plate annular on the branch road contact piece is around the annular plate on the main road contact piece, L templates on main road contact piece and the branch road contact piece all have one end to extend to the base outside, V type jut on the oblique semi-ring plate on the gear contact piece contacts with the sector plate on the branch road contact piece.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, each gear is a contacted gear in the rotation process of the product, and the rotation of the gears can be clockwise or anticlockwise rotated by 360 degrees;
2. public foot position contact point on the rotary switch is the fixed unchangeable of contact always, and behind rotatory gear, the gear contact piece also can follow the rotation along with the rotatory handle of gear, thereby contact point on the gear contact piece can touch the contact that realizes the gear on other gear feet. Because the common foot contact point is in a neutral position for contact, the other contact feet form a circular shape so that the gear rotation can be 360 degrees clockwise or counterclockwise.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic view of a rotary handle;
FIG. 4 is a schematic view of a base structure;
FIG. 5 is a diagram of a contact pin assembly position distribution;
FIG. 6 is a schematic view of a contact pin assembly;
FIG. 7 is a schematic view of a coarse type position-retaining pillar;
FIG. 8 is a schematic view of a contact piece structure of a gear;
fig. 9 is a schematic view of a bypass contact structure.
In the figure: the gear position locking device comprises a base 1, an upper cover 2, a rotating handle 3, a gear position contact piece 4, a gear position elastic piece 5, a contact pin assembly 6, a main circuit contact piece 7, a branch circuit contact piece 8, a thick clamping position column 10, a medium clamping position column 11 and a thin clamping position column 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a knob switch of no non-contact gear, the on-line screen storage device comprises a base 1, upper cover 2, rotatory handle 3, gear contact piece 4, gear shell fragment 5 and contact foot subassembly 6, base 1 is the middle part of square cubic and block and sets up the disc groove, one side of base 1 is provided with upper cover 2, upper cover 2 buckles on base 1, it has rotatory handle 3 to run through on upper cover 2, rotatory handle 3 is T type disc, be provided with gear contact piece 4 in the base 1 disc groove, the cover has gear shell fragment 5 on the cylinder of rotatory handle 3, gear shell fragment 5 pads are between the disc body of rotatory handle 3 and upper cover 2, the tank bottom position of base 1 is provided with contact foot subassembly 6, contact foot subassembly 6 includes a main road contact piece 7 and 5 branch road contact pieces 8, main road contact piece 7 and branch road contact piece 8 all have one end to extend to the base 1 outside, main road contact piece 7 and branch road contact piece 8 all have the part to fix the embedding in base 1.
The invention provides a rotary switch which automatically disconnects other contact gears when a contact gear is selected, and adopts a contact piece contact with a smaller size on the gear contact, namely the contact between a gear contact piece 4 and a contact pin component 6, thereby solving the problem that the rotary switch needs to work in a narrow space in the field of electronic accessories.
2 shape of upper cover is two half mouth-shaped deckle boards for one side an organic whole of square board is connected with, and half mouth-shaped deckle board and square board mutually perpendicular distribute, with half adjacent two rectangular boards that distribute of mouth-shaped deckle board, rectangular board and the square board body coupling on the upper cover 2, and mutually perpendicular distribute each other, the round hole is seted up at the square board middle part of base 1, and the inner chamber wall of round hole is fitted with a contraceptive ring and is equipped with 5 evenly distributed's square groove.
An organic whole is connected with two protrusion boards on base 1's the block lateral wall, and two protrusion board symmetry laminates in base 1's block both sides, half mouth of a mould deckle board cover on upper cover 2 is on the protrusion board on base 1, and set up the scarf on the protrusion board, set up the spout on two lateral walls adjacent with the protrusion board on the upper cover 2, rectangular plate on the upper cover 2 agrees with and sets up in the spout on 2 lateral walls of upper cover, one corner of upper cover 2 is fixed with protruding post, and the through-hole that base 1's square board one corner was seted up is run through to protruding post on the upper cover 2.
The disk body of rotatory handle 3 and gear contact piece 4 cup joint in the cylinder groove of base 1, and gear contact piece 4 and the disk body of rotatory handle 3 are connected, the 3 cylinder shapes of rotatory handle set up the plane groove for cylinder one side, there are four arc risers that evenly encircle the establishment with the bottom surface edge an organic whole of cylinder homonymy on the disk body of rotatory handle 3, gear shell fragment 5 is the annular plate form and the integrative protrusion board that has four evenly distributed on the lateral wall of the ring body, gear shell fragment 5 agrees with and sets up in the ring channel that sets up in disk body one side of rotatory handle 3, protrusion board on the gear shell fragment 5 is by the arc riser centre gripping on the 3 disk body of rotatory handle, set up the V type jut of two symmetric distributions on the annular plate on the gear shell fragment 5, V type jut one end on the gear shell fragment 5 extends to the square groove of seting up on the square plate of upper cover 2.
One side of the plate body of the rotary handle 3, which is back to the cylinder body, is a plane, a thick clamping column 10, a medium clamping column 11 and a thin clamping column 12 are integrally connected to the plane, the gear contact piece 4 is integrally in a horseshoe shape, specifically, a small semicircular plate is integrally connected to one side of a large semicircular plate, two inclined semicircular plates are sleeved outside the small semicircular plate, the end part of the large semicircular plate, the end part of the small semicircular plate and the end part of the inclined semicircular plate on the gear contact piece 4 are integrally connected, a V-shaped protrusion is arranged at the waist part of the inclined semicircular plate on the gear contact piece 4, two symmetrically-distributed long inclined plates are arranged between the large semicircular plate and the small semicircular plate on the gear contact piece 4, one end of each long inclined plate is fixed to the large semicircular plate on the gear contact piece 4, and the other end part of each long inclined plate is provided with a V-shaped protrusion.
The three thick type screens 10 are spread out and distributed in the middle of the plate body of the rotary handle 3, and the thick type screens 10 at the two ends, one thick type screen 10 runs through the semicircle orifice formed on the big semicircular plate of the gear contact piece 4, the other thick type screen 10 runs through the semicircle orifice formed on the small semicircular plate of the gear contact piece 4, one side of the thick type screen 10 is provided with two symmetrically distributed medium type screens 11, and the other side is provided with two symmetrically distributed thin type screens 12, the medium type screen 11 runs through the through hole formed on the big semicircular plate of the gear contact piece 4, the thin type screen 12 runs through the through hole formed on the small semicircular plate of the gear contact piece 4.
Main road contact piece 7 shape is the L template of J template one end body coupling, and the integrative connecting ring shaped plate of the other end of J template, the annular plate setting of main road contact piece 7 is in the cylinder groove tank bottom middle position on base 1, V type jut all contacts with the annular plate on the main road contact piece 7 on two swash plates on the gear contact piece 4, the shape of branch road contact piece 8 is the sector plate of L template one end body coupling, and the sector plate annular on the branch road contact piece 8 is around the annular plate on main road contact piece 7, main road contact piece 7 and the L template on the branch road contact piece 8 all have one end to extend to the base 1 outside, V type jut on the semicircular plate on the oblique on the gear contact piece 4 and the sector plate on the branch road contact piece 8 contact, specific circuit can be that external current flows through branch road contact piece 8, transmit on single main road contact piece 7 through gear contact piece 4 afterwards, and then transmit away through main road contact piece 7.
This rotary switch comprises 6 parts, contain the stainless steel upper cover, the rotatory handle of PA6T material, stainless steel gear shell fragment, C5210 gear contact piece, 6 brass tin-plating gear contact foot and PA6T material base are constituteed, draw-in groove through stainless steel upper cover and stainless steel gear at rotatory gear handle makes rotary switch gear feel obvious, on the gear selection, COM foot position contact point is fixed unchangeable in the intermediate position, contact point through the protruding demonstration on the gear contact piece is connected with other contact feet at rotatory in-process, thereby realized the product at the rotatory in-process of gear, each gear all is the existence that has the contact gear. On gear selection, can 360 degrees clockwise or anticlockwise carry out the gear rotation, let can select required gear fast in the product use, on the product technology, adopted circular and the less gear contact piece of size, make the overall dimension of product control in 10.2mm 7.4mm length wide height for satisfy the needs of selecting to electronic component on narrow and small space.
The working principle is as follows: rotate the cylinder part of rotatory handle 3, 3 whole rotations of control rotatory handle, rotatory handle 3 drives gear shell fragment 5, gear shell fragment 5 rotates the process, V type convex body on the gear shell fragment 5 receives five square groove screens on the 2 square plates of upper cover, five square groove representatives on the upper cover 2 are the stuck point of five gears, rotatory handle 3 rotates and drives gear contact piece 4, two swash plates in the middle part of gear contact piece 4 and main road contact piece 7 contact, the V type convex body and the branch road contact piece 8 contact of 4 one ends of gear contact piece, realize main road contact piece 7 like this, the circuit intercommunication between gear contact piece 4 and the branch road contact piece 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a knob switch of no non-contact gear, includes base (1), upper cover (2), rotation handle (3), gear contact piece (4), gear shell fragment (5) and contact foot subassembly (6), its characterized in that: the base (1) is square and the middle of the block is provided with a circular plate groove, one side of the base (1) is provided with an upper cover (2), the upper cover (2) is buckled on the base (1), a rotary handle (3) penetrates through the upper cover (2), the rotary handle (3) is in a T-shaped disc shape, a gear contact piece (4) is arranged in the circular plate groove of the base (1), a cylinder of the rotary handle (3) is sleeved with a gear elastic piece (5), the gear elastic piece (5) is padded between the disc body of the rotary handle (3) and the upper cover (2), a contact foot component (6) is arranged at the bottom of the groove of the base (1), the contact foot component (6) comprises a main circuit contact piece (7) and 5 branch circuit contact pieces (8), one end of each of the main circuit contact piece (7) and the branch circuit contact piece (8) extends to the outside of the base (1), parts of each of the main circuit contact piece (7) and the branch circuit contact piece (8) are fixedly embedded in the base (1), one side of the upper cover (2) in the shape of a square plate is integrally connected with two half-mouth frame plates, the half-mouth frame plates and the square plates are mutually and vertically distributed, two strip plates are adjacently distributed with the half-mouth frame plates, the strip plates are integrally connected with the square plate on the upper cover (2) and mutually and vertically distributed, the middle part of the square plate of the base (1) is provided with a round hole, and the inner cavity wall of the round hole is provided with 5 evenly distributed square grooves, the outer side wall of the block body of the base (1) is integrally connected with two convex plates which are symmetrically attached to two sides of the block body of the base (1), a half-mouth frame plate on the upper cover (2) is sleeved on the convex plate on the base (1), inclined planes are arranged on the convex plates, sliding grooves are formed in two outer side walls, adjacent to the convex plates, of the upper cover (2), long strip plates on the upper cover (2) are arranged in the sliding grooves in the outer side wall of the upper cover (2) in a matching mode, convex columns are fixed at one corner of the upper cover (2) and penetrate through holes formed in one corner of a square plate of the base (1), a disc body of the rotating handle (3) and the gear (4) are sleeved in cylindrical grooves of the base (1), the gear contact piece (4) is connected with the body of the rotary handle (3), the cylindrical body of the rotary handle (3) is provided with a plane groove at one side, the bottom surface edge of the body of the rotary handle (3) at the same side of the cylindrical body is integrally connected with four arc-shaped vertical plates which are uniformly annularly arranged, the gear elastic piece (5) is annular plate-shaped, the outer side wall of the annular body is integrally connected with four convex plates which are uniformly distributed, the gear elastic piece (5) is arranged in the annular groove arranged at one side of the body of the rotary handle (3) in a matching way, the convex plates on the gear elastic piece (5) are clamped by the arc-shaped vertical plates on the body of the rotary handle (3), and the annular plate on the gear elastic piece (5) is provided with two V-shaped convex bodies which are symmetrically distributed, one end of a V-shaped protrusion on the gear elastic sheet (5) extends into a square groove formed in a square plate of the upper cover (2), one side surface of a disc body of the rotary handle (3) back to the cylinder is a plane, a thick clamping column (10), a medium clamping column (11) and a thin clamping column (12) are integrally connected to the plane, the gear contact sheet (4) is integrally in a horseshoe shape, specifically, a small semicircular plate is integrally connected to one side of the large semicircular plate, two inclined semicircular plates are sleeved outside the small semicircular plate, the end parts of the large semicircular plate, the end parts of the small semicircular plate and the end parts of the inclined semicircular plate on the gear contact sheet (4) are integrally connected, the waist part of the inclined semicircular plate on the gear (4) is provided with the V-shaped protrusion, two long inclined plates which are symmetrically distributed are arranged between the large semicircular plate and the small semicircular plate on the gear contact sheet (4), one end of each long inclined plate is fixed on the large semicircular plate on the gear (4), the other end part of each long inclined plate is provided with the V-shaped protrusion, three thick clamping columns (10) extend through the square groove formed in the middle position of the square groove formed by the thick clamping column (10), one side of the rotary handle (3), and the small semicircular plate (12) formed by the large semicircular plate (4) and the large semicircular plate formed by the thick clamping column (10) formed by the large semicircular plate, the middle-sized clamping column (11) penetrates through a through hole formed in a large semicircular plate of the gear contact piece (4), the thin-sized clamping column (12) penetrates through a through hole formed in a small semicircular plate on the gear contact piece (4), the main circuit contact piece (7) is in a shape of a J-shaped plate one end integrally connected with an L-shaped plate, the other end of the J-shaped plate integrally connected with an annular plate, the annular plate of the main circuit contact piece (7) is arranged in the middle of the bottom of a cylindrical groove on the base (1), V-shaped protrusions on two long inclined plates on the gear contact piece (4) are in contact with the annular plate on the main circuit contact piece (7), the branch circuit contact piece (8) is in a shape of an L-shaped plate one end integrally connected with a sector plate, the sector plate on the branch circuit contact piece (8) is in an annular shape around the annular plate on the main circuit contact piece (7), one ends of the main circuit contact piece (7) and L-shaped protrusions on the branch circuit contact piece (8) extend to the outside the base (1), and the V-shaped protrusions on the semi-shaped plate on the inclined plates on the gear contact piece (4) are in contact with the contact piece (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103056.6A CN113889358B (en) | 2021-09-18 | 2021-09-18 | Knob switch without non-contact gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103056.6A CN113889358B (en) | 2021-09-18 | 2021-09-18 | Knob switch without non-contact gear |
Publications (2)
| Publication Number | Publication Date |
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| CN113889358A CN113889358A (en) | 2022-01-04 |
| CN113889358B true CN113889358B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111103056.6A Active CN113889358B (en) | 2021-09-18 | 2021-09-18 | Knob switch without non-contact gear |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014006966A (en) * | 2012-06-21 | 2014-01-16 | Tokai Rika Co Ltd | Rotary switch device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426205Y (en) * | 2000-04-27 | 2001-04-04 | 新巨企业股份有限公司 | Structure improved rotary switch |
| CN2653671Y (en) * | 2003-09-11 | 2004-11-03 | 宁波市北仑海伯精密机械制造有限公司 | Switch |
| TWM357007U (en) * | 2008-12-17 | 2009-05-11 | Solteam Electronics Co Ltd | The drawing rotating device |
| CN201688854U (en) * | 2010-05-31 | 2010-12-29 | 东莞市长泰尔电子有限公司 | Non-block encoder |
| CN210223869U (en) * | 2019-06-21 | 2020-03-31 | 浙江宝龙智控电气有限公司 | Rotary coding switch |
| CN210429634U (en) * | 2019-11-13 | 2020-04-28 | 东莞市兆胜电子有限公司 | Miniature rotary contact formula encoder |
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2021
- 2021-09-18 CN CN202111103056.6A patent/CN113889358B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014006966A (en) * | 2012-06-21 | 2014-01-16 | Tokai Rika Co Ltd | Rotary switch device |
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| CN113889358A (en) | 2022-01-04 |
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