CN211455584U - Novel three-gear selector switch - Google Patents
Novel three-gear selector switch Download PDFInfo
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- CN211455584U CN211455584U CN201922483027.1U CN201922483027U CN211455584U CN 211455584 U CN211455584 U CN 211455584U CN 201922483027 U CN201922483027 U CN 201922483027U CN 211455584 U CN211455584 U CN 211455584U
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Abstract
The utility model discloses a novel three keep off selection switch, can stable control switch break-make realize the heavy current break-make again easily simultaneously. The V-shaped rocker realizes that the V-shaped rocker with the V-shaped pit can keep static at three different positions, thereby ensuring the selection of three positions of the switch; the inner support and the V-shaped support terminal are positioned through the V-shaped warped plate with the V-shaped pit, so that the switch is switched off when the V-shaped warped plate with the V-shaped pit keeps the horizontal direction, and the switch is switched on when the V-shaped warped plate with the V-shaped pit keeps the inclined direction to be contacted with the contact of the static contact terminal assembly; the V-shaped wane with the V-shaped pit can increase resistance to prevent the V-shaped pit from continuously swinging when the V-shaped pit is swung to the position of the V-shaped pit, so that the switch is guaranteed to be stably switched on and off.
Description
Technical Field
The utility model belongs to the technical field of the switch, specifically speaking relates to a novel three keep off selection switch.
Background
Three fender selector switches on the existing market generally adopt the mode of M type wane cooperation V type backing sheet, perhaps the mode of V type wane cooperation U type backing sheet, and these two kinds of modes all need the pressure head to have great swing stroke, lead to the pressure of contact not enough easily, and the switch is difficult for realizing the heavy current break-make, and the resistance change is little when the pressure head slides on the wane simultaneously, and the difficult stable control break-make of switch.
Disclosure of Invention
The utility model aims at providing a novel three keep off selection switch, can stable control switch break-make realize the heavy current break-make again easily simultaneously.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a novel three-gear selector switch comprises a rear cover, a wiring screw, a stationary contact terminal, a V-shaped support terminal, an inner support, a V-shaped wane, a pressure head, a spring and a key; the inner wall of the rear cover is raised to form an annular boss, the bottom of the inner wall of the rear cover is provided with three mounting pits formed by two partition plates in a partition mode, the bottom of each mounting pit is provided with a first through hole for inserting a wire, the side wall of each mounting pit is provided with a second through hole, and each second through hole is used for screwing a wiring screw into the corresponding mounting pit for fixation; two opposite supports are arranged on the annular boss, the top surfaces of the supports are sunken to form arc surfaces, two waist-shaped holes are formed in the side wall of the top of the rear cover and are respectively positioned above one arc surface, and the inner surface of the side wall of the top of the rear cover is sunken to form a first guide oblique angle; static contact terminals are arranged in the mounting pits at the left end and the right end of the three mounting pits, and a V-shaped supporting terminal is arranged in the mounting pit in the middle; the static contact terminal and the V-shaped supporting terminal are hollow, first openings are formed in the bottom wall of the static contact terminal and the bottom wall of the V-shaped supporting terminal, the first openings correspond to the first through holes, the lead is inserted into the first openings, second openings are formed in the side wall of the static contact terminal and the side wall of the V-shaped supporting terminal, the second openings correspond to the second through holes, the top wall of the static contact terminal is a circular contact piece, and the top wall of the V-shaped supporting terminal is sunken to form a V-shaped groove; the inner support is embedded into the annular boss and fixed, and the bottom of the inner support presses against the static contact terminal and the V-shaped support terminal to be kept fixed; the two ends of the V-shaped wane are warped to the middle and bent into a V shape, the two ends of the V-shaped wane are respectively used for being electrically connected with the static contact terminals at the left end and the right end, the upper surface of the middle of the V-shaped wane is sunken to form a V-shaped pit, and the V-shaped pit is erected on the V-shaped groove; the bottom of the pressure head is pressed on the V-shaped wane in a conical shape, and the top of the pressure head is inserted into the spring in a cylindrical shape; the inside cavity of button, the button sets up in the top of back lid, a sleeve pipe of protrusion in the middle of the top inner wall of button, spring and pressure head embedding cover are intraductal, the double-phase to the protrusion of lateral wall bottom surface of button forms semi-circular backing plate, the double-phase to the protrusion of lateral wall surface of button forms the cylinder, the cutting of cylindrical terminal surface part forms second direction oblique angle, second direction oblique angle cooperatees with first direction oblique angle and is used for the cylinder to insert waist shape downthehole fixed, semi-circular cushion roof pressure is on the arc surface of support, the button is spacing in the back lid.
On the basis of the above scheme and as a preferable scheme of the scheme: the middle of the panel is provided with a third through hole, and two opposite side walls of the third through hole are provided with fourth through holes; a first male buckle is arranged at each of the four corners of the panel; the outer surfaces of two opposite side walls at the top of the rear cover protrude to form a second male buckle; the third through hole of the panel is sleeved on the top of the rear cover, and the second male buckle is embedded into the fourth through hole to be fixed; the third through hole forms a limit to the surfaces of the two sides of the key.
On the basis of the above scheme and as a preferable scheme of the scheme: two top plates are arranged on the other side wall of the three mounting pits; two fifth through holes which are opposite to each other are formed in the side walls of the mounting pits at the left end and the right end, the edge of the annular convex ring is sunken to form a third guiding oblique angle, and the third guiding oblique angle is located above the fifth through holes.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom of the inner support is provided with three sixth through holes which are respectively and correspondingly pressed on the stationary contact terminal and the V-shaped support terminal; two first through grooves are formed among the three sixth through holes, and the partition plates are embedded into the first through grooves and fixed; a third male buckle is arranged at each of the four corners of the inner support and is buckled into the fifth through hole to be fixed; the two ends of the top of the inner support are protruded to form convex blocks for being lapped on the annular boss.
On the basis of the above scheme and as a preferable scheme of the scheme: the side walls of the two ends of the sixth through hole in the middle of the inner support are sunken to form clamping grooves, the two sides of the middle of the V-shaped wane are protruded to form clamping blocks, and the clamping blocks are inserted into the clamping grooves for limiting.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer surface of the top of the rear cover is provided with a strip-shaped clamping strip, and the clamping strip and the panel are extruded; the sleeve and the key are connected with a reinforcing plate in time; the first opening and the second opening are circular through holes.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses a novel three-gear selector switch, be equipped with stationary contact terminal and V type support terminal in the back lid, V type support terminal cooperation V type wane, the top of V type support terminal is V type groove, the V type hole has been seted up in the middle of V type wane, the pressure head top is pressed in V type hole, make three-gear selector switch can be easy a little relatively when disconnection, the unstable phenomenon of three-gear selector switch break-make has been solved, simultaneously relatively narrower V type support terminal has reduced the swing angle of switch, the contact pressure that keeps stable, the problem that the switch passes through the electric current little is solved, and its simple structure, the reliability is high, guaranteed to stably control the switch break-make and simultaneously realize heavy current break-make easily again; the rear cover and the inner support, the rear cover and the keys, and the rear cover and the panel are connected in a buckling manner, so that the assembly and disassembly are convenient;
drawings
Fig. 1 is a schematic diagram of the overall explosion structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is a schematic overall sectional structure of the present invention.
Fig. 5 is a schematic view of the structure of the rear cover of the present invention.
Fig. 6 is a schematic view of the structure of the rear cover of the present invention.
Fig. 7 is a schematic view of the structure of the rear cover of the present invention.
Fig. 8 is a schematic structural view of the stationary contact terminal of the present invention.
Fig. 9 is a schematic structural view of the stationary contact terminal of the present invention.
Fig. 10 is a schematic view of the V-shaped supporting terminal structure of the present invention.
Fig. 11 is a schematic view of the inner frame structure of the present invention.
Fig. 12 is a schematic view of the inner frame structure of the present invention.
Fig. 13 is a schematic structural view of the V-shaped rocker of the present invention.
Fig. 14 is a schematic view of the key structure of the present invention.
Fig. 15 is a schematic view of the key structure of the present invention.
Fig. 16 is a schematic view of the panel structure of the present invention.
Fig. 17 is a schematic view of the panel structure of the present invention.
Reference numerals: a rear cover 01; an annular boss 010; a partition plate 011; a first through hole 012; a second through hole 013; a bracket 014; a waist-shaped hole 015; a first guide bevel 016; a second pin 017; an upper plate 018; a fifth through hole 019; a third guiding bevel 0100; a binding screw 02; a stationary contact terminal 03; a first opening 030; a second opening 031; a circular contact 032; a V-shaped support terminal 04; the V-shaped groove 040; an inner support 05; a sixth through hole 050; a first through groove 051; a third male buckle 052; a bump 053; a card slot 054; a V-shaped rocker 06; v-pit 060; a fixture block 061; a pressure head 07; a spring 08; a key 09; a sleeve 090; a semicircular shim plate 091; a cylinder 092; a second guide bevel 093; a panel 10; a third through hole 100; a fourth through hole 101; a first male buckle 102;
Detailed Description
The present invention will be further described with reference to the following detailed description;
the embodiment provides a novel three-gear selector switch, which comprises a rear cover 01, a binding screw 02, a stationary contact terminal 03, a V-shaped support terminal 04, an inner bracket 05014, a V-shaped rocker 06, a pressure head 07, a spring 08 and a key 09; the rear cover 01, the key 09, the spring 08 and the pressure head 07 form a swinging mechanism, the key 09 swings in the rear cover 01, and the spring 08 and the pressure head 07 provide driving force to push the V-shaped warping plate 06 to rotate on the V-shaped supporting terminal 04; the inner support 05014 and the V-shaped support terminal 04 are combined to form a positioning mechanism, the inner support 05014 and the V-shaped support terminal 04 limit the V-shaped warped plate 06 to rotate in a certain space, and three different static states can be realized; the V-shaped rocker 06, the stationary contact terminal 03 and the wiring screw 02 are combined into an on-off mechanism, when the V-shaped rocker 06 is horizontally static on the V-shaped supporting terminal 04, the switch is switched off, and when the V-shaped rocker 06 is obliquely static on the V-shaped supporting terminal 04, the switch is switched on.
The key 09 swings the pressure head 07 to press the V-shaped rocker 06, and resistance is generated to prevent the pressure from swinging continuously due to great angle change, so that the switch is switched on and off stably;
the inner wall of the rear cover 01 protrudes to form an annular boss 010, the rear cover 01 is formed by injection molding and is convenient to produce, the bottom of the inner wall of the rear cover 01 is provided with three mounting pits separated by two partition plates 011, the partition plates 011 are integrally formed on the rear cover 01, the bottom of each mounting pit is provided with a first through hole 012, the first through hole 012 is circular, the first through hole 012 is used for inserting a wire, the side wall of each mounting pit is provided with a second through hole 013, the second through hole 013 is used for screwing the wiring screw 02 into the mounting pit for fixing, and the wiring screw 02 is screwed into the second through hole 013 to extrude the wiring screw 02 to keep fixing; the annular boss 010 is provided with two opposite supports 014, the top surfaces of the supports 014 are sunken to form an arc surface, the side wall of the top of the rear cover 01 is provided with two waist-shaped holes 015, the two waist-shaped holes 015 are respectively positioned above the arc surface, and the inner surface of the side wall of the top of the rear cover 01 is sunken to form a first guide bevel 016;
the inner bracket 05014 is embedded into the annular boss 010 and fixed, and the bottom of the inner bracket 05014 presses against the fixed contact terminal 03 and the V-shaped supporting terminal 04 to keep fixed; the inner bracket 05014 keeps the stationary contact terminal 03 and the V-shaped support terminal 04 fixed, is not easy to move and separate, and has a limiting effect on the V-shaped warped plate 06;
the two ends of the V-shaped rocker 06 are tilted towards the middle and bent into a V shape, the two ends of the V-shaped rocker 06 are respectively used for being electrically connected with the static contact terminals 03 at the left end and the right end, the upper surface of the middle of the V-shaped rocker 06 is sunken to form a V-shaped pit 060, the V-shaped pit 060 is erected on the V-shaped groove 040, the V-shaped rocker 06 replaces an M-shaped rocker, the V-shaped pit 060 can bear higher pressure, the pressure head 07 cannot easily slide due to the V-shaped pit 060, higher assistance is achieved, contact is not easy to separate, and high-current on-off is achieved; the bottom of the pressure head 07 is pressed against the V-shaped wane 06 in a conical shape, and the top of the pressure head 07 is inserted into the spring 08 in a cylindrical 092 shape;
the key 09 is hollow, the key 09 is arranged in the top of the rear cover 01, a sleeve 090 protrudes from the middle of the inner wall of the top of the key 09, the spring 08 and the pressure head 07 are embedded in the sleeve 090, the spring 08 and the pressure head 07 are convenient to mount, taking out, the bottom surfaces of two opposite side walls of the key 09 protrude to form semicircular cushion plates 091, the outer surfaces of the two opposite side walls of the key 09 protrude to form cylinders 092, the end surface of each cylinder 092 is partially cut to form a second guide bevel 093, the second guide bevel 093 is matched with the first guide bevel 016 to be used for inserting the cylinders 092 into the waist-shaped holes 015 for fixing, the first guide bevel 016 and the second guide bevel 093 facilitate the downward movement of the cylinders 092, otherwise, the two end surfaces are in plane vertical contact and are difficult to extrude, the semicircular cushion blocks are pressed against the arc surfaces of the supports 014, the key 09 is limited in the rear cover 01, and the key 09 obliquely swings left and right around the semicircular cushion blocks to realize different on-off requirements;
the assembling process comprises the following steps: a static contact terminal 03 and a V-shaped supporting terminal 04 are correspondingly placed in an installation pit of the rear cover 01, a wiring screw 02 is screwed into the static contact terminal 03 and the V-shaped supporting terminal 04, an inner support 05014 is embedded into the rear cover 01, the static contact terminal 03 and the V-shaped supporting terminal 04 are further fixed, a V-shaped warping plate 06 is placed, and a V-shaped pit on the V-shaped warping plate 06 is erected on a V-shaped groove 040; a spring 08 and a pressure head 07 are placed in the key 09, the pressure head 07 is pressed downwards on the V-shaped pit, and the key 09 is buckled on the rear cover 01; the use method comprises the steps of screwing out a wiring screw 02, inserting a lead into a stationary contact terminal 03 and a V-shaped supporting terminal 04, and screwing up the wiring screw 02 for fixing;
further, the portable air conditioner further comprises a panel 10, wherein a third through hole 100 is formed in the middle of the panel 10, and fourth through holes 101 are formed in two opposite side walls of the third through hole 100; the four corners of the panel 10 are respectively provided with a first male buckle 102, and the first male buckles 102 are used for being buckled with other accessories, so that the rapid disassembly and assembly are realized, and the panel is more practical; the outer surfaces of two opposite side walls at the top of the rear cover 01 protrude to form a second male buckle 017; the third through hole 100 of the panel 10 is sleeved on the top of the rear cover 01, and the second male buckle 017 is embedded into the fourth through hole 101 to form fixation; the panel 10 is fastened with the top of the rear cover 01 through a second male buckle 017 and a fourth through hole 101 to realize fixation; the third through hole 100 limits the surfaces of the two sides of the key 09, so that the key 09 can only rotate in the rear cover 01 and cannot be separated, and the size of the third through hole 100 is smaller than the width of the key 09;
furthermore, two top plates 018 are arranged on the other side wall of the three mounting pits, so that the V-shaped supporting terminal 04 and the static contact terminal 03 in the mounting pits can be fixed more firmly by the top plates 018, and no moving gap exists; two opposite fifth through holes 019 are formed in the side walls of the mounting pits at the left end and the right end, the edge of the annular convex ring is sunken to form a third guiding oblique angle 0100, and the third guiding oblique angle 0100 is located above the fifth through holes 019;
further, the bottom of the inner support 05014 is provided with three sixth through holes 050, the three sixth through holes 050 are correspondingly pressed on the stationary contact terminal 03 and the V-shaped support terminal 04 respectively, and the sixth through holes 050 are used for exposing the contacts; two first through grooves 051 are formed among the three sixth through holes 050, and the partition plates 011 are embedded into the first through grooves 051 to be fixed, so that the stability of the inner bracket 05014 is guaranteed; a third male buckle 052 is respectively arranged at four corners of the inner bracket 05014, the third male buckle 052 is buckled into the fifth through hole 019 to form fixation, and the inner bracket 05014 and the rear cover 01 form a buckle type detachable connection; the two ends of the top of the inner bracket 05014 protrude to form bumps 053 for overlapping the annular boss 010, so that the inner bracket 05014 cannot easily shake;
furthermore, the side walls of the two ends of the sixth through hole 050 in the middle of the inner bracket 05014 are sunken to form clamping grooves 054, the two sides in the middle of the V-shaped rocker 06 protrude to form clamping blocks 061, and the clamping blocks 061 are inserted into the clamping grooves 054 for limiting; the movement of the V-shaped wane 06 is better limited and can only rotate, and the pressure head 07 is better controlled;
furthermore, the outer surface of the top of the rear cover 01 is provided with a strip-shaped clamping strip, the clamping strip and the panel 10 are extruded, and the panel 10 and the rear cover 01 are connected more firmly and are not easy to fall off; the sleeve 090 is connected with the key 09 in time to form a reinforcing plate, so that the strength of the key 09 is improved, and the service life is prolonged; the first opening 030 and the second opening 031 are circular through holes, which are in line with the shape of a wire, so that the connection is firmer;
the use principle is as follows: the V-shaped rocker 06 realizes that the V-shaped rocker 06 with the V-shaped pit 060 can keep still at three different positions, thereby ensuring the selection of three positions of the switch; the inner bracket 05014 and the V-shaped supporting terminal 04 are positioned through the V-shaped rocker 06 with the V-shaped pit 060, so that the switch is switched off when the V-shaped rocker 06 with the V-shaped pit 060 keeps the horizontal direction, and the switch is switched on when the V-shaped rocker 06 with the V-shaped pit 060 keeps the inclined direction to be contacted with the contact of the static contact terminal 03 assembly; when the V-shaped rocker 06 with the V-shaped pit 060 swings to the position of the V-shaped pit 060, resistance is increased due to sudden change of angle to prevent the V-shaped rocker from continuing swinging, so that stable on-off of the switch is ensured.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. A novel three-gear selector switch is characterized in that: the device comprises a rear cover, a wiring screw, a stationary contact terminal, a V-shaped supporting terminal, an inner support, a V-shaped warping plate, a pressure head, a spring and a key;
the inner wall of the rear cover is raised to form an annular boss, the bottom of the inner wall of the rear cover is provided with three mounting pits formed by two partition plates in a partition mode, the bottom of each mounting pit is provided with a first through hole for inserting a wire, the side wall of each mounting pit is provided with a second through hole, and each second through hole is used for screwing a wiring screw into the corresponding mounting pit for fixation; two opposite supports are arranged on the annular boss, the top surfaces of the supports are sunken to form arc surfaces, two waist-shaped holes are formed in the side wall of the top of the rear cover and are respectively positioned above one arc surface, and the inner surface of the side wall of the top of the rear cover is sunken to form a first guide oblique angle;
static contact terminals are arranged in the mounting pits at the left end and the right end of the three mounting pits, and a V-shaped supporting terminal is arranged in the mounting pit in the middle; the static contact terminal and the V-shaped supporting terminal are hollow, first openings are formed in the bottom wall of the static contact terminal and the bottom wall of the V-shaped supporting terminal, the first openings correspond to the first through holes, the lead is inserted into the first openings, second openings are formed in the side wall of the static contact terminal and the side wall of the V-shaped supporting terminal, the second openings correspond to the second through holes, the top wall of the static contact terminal is a circular contact piece, and the top wall of the V-shaped supporting terminal is sunken to form a V-shaped groove;
the inner support is embedded into the annular boss and fixed, and the bottom of the inner support presses against the static contact terminal and the V-shaped support terminal to be kept fixed;
the two ends of the V-shaped wane are warped to the middle and bent into a V shape, the two ends of the V-shaped wane are respectively used for being electrically connected with the static contact terminals at the left end and the right end, the upper surface of the middle of the V-shaped wane is sunken to form a V-shaped pit, and the V-shaped pit is erected on the V-shaped groove;
the bottom of the pressure head is pressed on the V-shaped wane in a conical shape, and the top of the pressure head is inserted into the spring in a cylindrical shape;
the inside cavity of button, the button sets up in the top of back lid, a sleeve pipe of protrusion in the middle of the top inner wall of button, spring and pressure head embedding cover are intraductal, the double-phase to the protrusion of lateral wall bottom surface of button forms semi-circular backing plate, the double-phase to the protrusion of lateral wall surface of button forms the cylinder, the cutting of cylindrical terminal surface part forms second direction oblique angle, second direction oblique angle cooperatees with first direction oblique angle and is used for the cylinder to insert waist shape downthehole fixed, semi-circular cushion roof pressure is on the arc surface of support, the button is spacing in the back lid.
2. The novel three-gear selector switch according to claim 1, wherein: the middle of the panel is provided with a third through hole, and two opposite side walls of the third through hole are provided with fourth through holes; a first male buckle is arranged at each of the four corners of the panel; the outer surfaces of two opposite side walls at the top of the rear cover protrude to form a second male buckle; the third through hole of the panel is sleeved on the top of the rear cover, and the second male buckle is embedded into the fourth through hole to be fixed; the third through hole forms a limit to the surfaces of the two sides of the key.
3. The novel three-gear selector switch according to claim 1, wherein: two top plates are arranged on the other side wall of the three mounting pits; two fifth through holes which are opposite to each other are formed in the side walls of the mounting pits at the left end and the right end, the edge of the annular convex ring is sunken to form a third guiding oblique angle, and the third guiding oblique angle is located above the fifth through holes.
4. The novel three-gear selector switch according to claim 3, wherein: the bottom of the inner support is provided with three sixth through holes which are respectively and correspondingly pressed on the stationary contact terminal and the V-shaped support terminal; two first through grooves are formed among the three sixth through holes, and the partition plates are embedded into the first through grooves and fixed; a third male buckle is arranged at each of the four corners of the inner support and is buckled into the fifth through hole to be fixed; the two ends of the top of the inner support are protruded to form convex blocks for being lapped on the annular boss.
5. The novel three-gear selector switch according to claim 4, wherein: the side walls of the two ends of the sixth through hole in the middle of the inner support are sunken to form clamping grooves, the two sides of the middle of the V-shaped wane are protruded to form clamping blocks, and the clamping blocks are inserted into the clamping grooves for limiting.
6. The novel three-gear selector switch according to claim 1, wherein: the outer surface of the top of the rear cover is provided with a strip-shaped clamping strip, and the clamping strip and the panel are extruded; the sleeve and the key are connected with a reinforcing plate in time; the first opening and the second opening are circular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483027.1U CN211455584U (en) | 2019-12-30 | 2019-12-30 | Novel three-gear selector switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483027.1U CN211455584U (en) | 2019-12-30 | 2019-12-30 | Novel three-gear selector switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211455584U true CN211455584U (en) | 2020-09-08 |
Family
ID=72314843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922483027.1U Active CN211455584U (en) | 2019-12-30 | 2019-12-30 | Novel three-gear selector switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211455584U (en) |
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2019
- 2019-12-30 CN CN201922483027.1U patent/CN211455584U/en active Active
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