CN110289530B - Power supply switching terminal box - Google Patents
Power supply switching terminal box Download PDFInfo
- Publication number
- CN110289530B CN110289530B CN201910549723.XA CN201910549723A CN110289530B CN 110289530 B CN110289530 B CN 110289530B CN 201910549723 A CN201910549723 A CN 201910549723A CN 110289530 B CN110289530 B CN 110289530B
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- China
- Prior art keywords
- copper sheet
- box body
- power supply
- groove
- vertical rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052802 copper Inorganic materials 0.000 claims abstract description 69
- 239000010949 copper Substances 0.000 claims abstract description 69
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
- H01H15/24—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch having a single operating part only protruding from one side of the switch casing for alternate pushing and pulling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
The invention discloses a power supply switching junction box, which comprises a box body with a detachable upper cover, wherein a plurality of groups of plug interfaces are formed on the upper cover, a plurality of rectangular grooves are formed in the bottom surface of the interior of the box body, at least one copper sheet groove for placing a copper sheet is respectively arranged on each of two sides of the interior of each rectangular groove, the plug interfaces penetrating through the bottom surface of the box body are arranged in the copper sheet grooves, a sliding switch is arranged in the middle of each copper sheet groove on each side, the sliding switch moves up and down to be in contact with the copper sheet, so that circuits on and off on the two sides are; the power supply switching junction box provided by the invention can quickly realize the line switching from normal mounting to unconventional mounting, can effectively avoid cutting off the lead of a motor, does not generate various problems caused by cutting off the lead, improves the reliability of a power supply line, can carry out unconventional tests at any safe distance by applying the power supply switching junction box, avoids the occurrence of personal accidents, is convenient for testers to operate, and meets the requirements of system tests.
Description
Technical Field
The disclosure belongs to a switching junction box, and particularly relates to a motor power supply switching junction box.
Background
In some equipment power supply systems, each machine is connected with a corresponding socket of a power supply line slot through a power supply plug connected with a machine stator for supplying power, a plurality of machines are installed as a whole and supplied with power through an independent line slot, in the prior art, two frequency converters are used for carrying a plurality of machines to start and operate, a switching box is used for controlling the power supply relation between the frequency converters and the installation frame, the power supply line slot and the installation frame are integrated, and the distance between the switching box, the frequency converters and the installation frame is within 1 meter.
In an unconventional test, because the test has certain dangerousness, in order to ensure the safety of personnel and equipment, a control line needs to be led to a safety zone to realize remote control.
In the initial test system, when the abnormal test is required, all motor leads are required to be cut off, a motor power supply cable between a machine and a power supply wire groove is prolonged, the motor power supply wire groove is replaced according to the test requirement, and a connecting line between the power supply wire groove and a switching box is laid again to realize the remote control of the line. However, in the unconventional experiment and operation examination stage, accident hazards such as short circuit of the lead wire, reverse rotation of the steering and the like, which are possibly caused by re-laying of the connecting line between the power supply line trough and the switching box, cannot ensure the personal safety of the tester.
Disclosure of Invention
In view of the above problems, the present disclosure provides a power supply switching junction box that can quickly realize the line conversion from a normal rack to an unconventional rack, effectively avoid cutting off the lead of a motor, and avoid cutting off various problems that appear in the lead.
The scheme provided by the disclosure is as follows:
the power supply switching junction box comprises a box body with a detachable upper cover, wherein a plurality of groups of plug interfaces are formed on the upper cover, a plurality of rectangular grooves are formed in the bottom surface of the interior of the box body, and at least one copper sheet groove for placing a copper sheet is formed in each of two sides of the interior of each rectangular groove; a plug interface penetrating through the bottom surface of the box body is arranged in the copper sheet groove; a sliding switch is arranged in the middle of the copper sheet grooves on the two sides and moves up and down to be in contact with the copper sheets; the box body is provided with a track for the sliding switch to slide.
Furthermore, the copper sheet in the disclosure is L type, one side of the L type copper sheet is clamped in the copper sheet groove, the other side of the copper sheet is perpendicular to the copper sheet groove, and a protrusion is arranged on one side perpendicular to the copper sheet groove and facing the sliding switch.
Furthermore, the top end of one side of the L-type copper sheet, which is vertical to the copper sheet groove, is provided with a bent edge, the bent edge is provided with a socket, the round hole corresponds to the plug interface on the upper cover, one side placed in the copper sheet groove is also provided with a socket, and the socket corresponds to the plug interface on the bottom surface inside the box body.
Further, the slide switch in this disclosure includes a montant and many horizontal poles, is equipped with the gliding track about supplying slide switch on the box body inner bottom surface, and it is equal along montant evenly distributed and interval between and with the horizontal pole more, wherein the montant is the insulator, and the horizontal pole is the electric conductor.
Furthermore, one end of the vertical rod moves in the upper track of the box body, and the other end of the vertical rod penetrates through the box body and extends to the outside; the part of the vertical rod penetrating out of the box body is provided with a handle.
Furthermore, the cross-section of the vertical rod is circular, the upper part of the vertical rod is provided with a convex edge, two sides of the convex edge are respectively provided with an elastic part, the gap between the two elastic parts is larger than the diameter of the vertical rod and smaller than the diameter of the convex edge, and the elastic parts are fixed on the bottom surface inside the box body.
Furthermore, the elastic piece is circular-arc, and two circular-arc elastic piece opening directions are mutually, and the one end detachably of elastic piece is fixed on the bottom surface of the inside of box body, and the other end is unsettled.
Furthermore, the vertical rod can be divided into an upper section and a lower section, the joint of the upper section and the lower section is rotatable, the lower section can only move up and down on the track of the box body, and two sides of the middle part of the upper section are respectively connected with a rotating rod; the bottom surface of the box body is provided with a supporting block for supporting the rotating rod, the upper surface of the supporting block is parallel to the upper surface of the rotating rod, and the height of the supporting block is greater than the length of the rotating rod.
Compared with the prior art, the beneficial effect of this disclosure is:
1. according to the power supply switching junction box, the plug interface is arranged on the inner bottom surface of the box, and the quick on-off of a circuit connected with copper sheet grooves on two sides is realized through the up-and-down sliding of the sliding switch.
2. The plug interface is also arranged on the upper cover of the power supply switching junction box, positive and negative adjustment of the motor can be realized through the plug interface, and accident potential hazards such as short circuit of a lead wire, steering inversion and the like possibly caused by re-disconnection and then re-connection are avoided.
Drawings
Fig. 1 is a schematic structural view of a power supply adaptor box according to an embodiment of the present disclosure, with an upper cover removed;
fig. 2 is a top view of a power supply adaptor box structure with an upper cover removed according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of an upper cover in the power supply adaptor box according to the embodiment of the disclosure;
fig. 4 is a schematic structural diagram of an L type copper sheet in the power supply adapter box according to an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of an L-type copper sheet mounted on a power supply adapter box according to an embodiment of the disclosure;
fig. 6 is a schematic structural diagram of a first sliding switch of the power supply adaptor box according to the embodiment of the disclosure;
fig. 7 is a structural plan view of a first sliding switch of the power supply adapter box according to the embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a second sliding switch of the power supply adaptor box according to the embodiment of the disclosure;
fig. 9 is a structural plan view of a second sliding switch of the power supply adapter box according to the embodiment of the present disclosure;
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments in the following description.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a power supply switching terminal box as shown in fig. 1-3, this terminal box is a rectangular box 1, be equipped with a plurality of rectangular channels 2 on the inside bottom surface of box body, a rectangular channel is an independent work unit, both sides are equipped with three copper sheet grooves 3 that parallel respectively in the rectangular channel and are used for placing the copper sheet of connecting motor three-phase U, V, W, the inside in every copper sheet groove all has one to run through in the plug interface 4 of bottom surface, the three-phase plug of motor can insert the through-hole and be connected with corresponding copper sheet, also be equipped with same plug interface 6 on the upper cover 5 of box body in this application.
In the present disclosure, a sliding switch is arranged in the middle of the copper sheet grooves which are arranged in parallel at two sides, and a channel 7 for the sliding switch to slide is arranged on the side surface of the box body.
The copper sheet in the disclosure is a L type copper sheet 8 as shown in fig. 4, the length and the width of a copper sheet groove on the bottom surface of the box body are equal to the length and the width of one side of a L type copper sheet 8, so that one side of a L type copper sheet can be buckled in the copper sheet groove to realize fixation, a protrusion 9 is arranged on one side perpendicular to one side of the copper sheet groove and facing the inside of a rectangular groove, the specific shape of the protrusion is not limited too much, a bent edge 10 is further arranged on the top end perpendicular to one side of the copper sheet groove in a L type copper sheet, the bent edge 10 is parallel to an upper cover 5 of the box body, a round hole 11 is arranged on the bent edge 10, the round hole 11 corresponds to a plug interface 6 of the upper cover, the round hole 11 is used for realizing switching of the positive and negative rotation of a motor, wherein a socket 12 is also arranged on one side of a L type copper sheet installed in the copper sheet groove, each socket 12 corresponds to the plug interface 4 on the bottom surface of the box.
First embodiment
The first structure of the sliding switch of the power supply switching junction box is shown in fig. 6-7, a sliding switch 13 mainly comprises a circular vertical rod 13-1 and three transverse rods 13-2, a handle 13-7 is arranged at the top end of the vertical rod, the three transverse rods 13-2 are uniformly distributed on the vertical rod 13-1, the distance between the three transverse rods is equal, the vertical rod 13-1 is an insulator, the transverse rod 13-2 is an electric conductor and has certain elasticity, the transverse rod 13-2 can directly penetrate through the vertical rod 13-1 and also comprises two mutually connected ends, so that the transverse rod 13-2 can be connected with a protrusion on L type copper sheets through the up-and-down sliding of the sliding switch, the circuit connection of copper sheet grooves on two sides is realized, in order to realize the directional movement of the vertical rod 13-1 in the vertical direction, a sliding rail 13-3 is further arranged on the bottom surface inside the box body, the vertical rod is arranged in the rail and then has a certain distance L1 from the side surface of the box body, the distance is equal to the vertical distance L2 between the transverse rod and the protrusion on L type copper sheet, and thus when the sliding switch.
In order to increase the stability when the cross bar 13-2 contacts with the protrusion on the L-type copper sheet, the upper portion of the circular vertical bar 13-1 is provided with an arc-shaped convex edge 13-4, the specific position of the convex edge can be determined according to specific conditions, the present application is provided with an elastic member 13-5 on each side of the convex edge, the present embodiment is preferably a semi-arc-shaped elastic sheet, the opening directions of the two elastic sheets are opposite, the distance between the two arc-shaped elastic sheets is larger than the diameter L4 of the circular vertical bar and smaller than the diameter L5 of the convex edge, in order to better realize the elastic function of the elastic member, one end of the elastic member is detachably fixed on the bottom support 13-6 of the box body, and the other end is not connected in suspension, so that when the sliding switch slides downwards, the convex edge 13-4 on the vertical bar passes through the channel formed by the two elastic members 13-5, the elastic sheets 13-5 on both sides respectively move leftwards and increase the distance between the convex edges, so that the elastic sheets 13-4 on the two sides on the vertical bar can pass through the elastic sheet L, and the elastic sheet can pass through the vertical distance between the elastic sheet and the elastic sheet is set to be larger than the elastic sheet can be capable of vertical maintenance.
The specific working process of the embodiment;
for an independent working unit rectangular groove, the copper sheet in the left copper sheet groove in the rectangular groove can be connected with a power line or a control line, the copper sheet in the right copper sheet groove is sequentially connected with U, V, W of a motor from top to bottom, when the quick on-off of circuits on two sides is to be realized, a handle of a sliding switch is pressed down, when a convex edge at the upper end of a vertical rod passes through elastic sheets on two sides, a cross rod on the sliding switch is just in contact with a protrusion on a L type copper sheet at the moment, the passing of the circuits on two sides is realized, when the circuit needs to be disconnected, the handle on the sliding switch only needs to be lifted upwards to pass through the elastic sheets on two sides, when the forward and reverse rotation adjustment of the motor is realized, the sliding switch can be directly passed through a jack on a top cover of a box body, and any two.
Second embodiment
The second structure of the sliding switch of the power supply switching junction box of the present disclosure is shown in fig. 8-9, a vertical rod on the sliding switch 14 is divided into an upper section and a lower section, a connection part 14-3 between the upper section 14-1 and the lower section 14-2 is rotatable, wherein the upper end 14-1 can rotate 360 degrees, a handle 14-7 is also arranged on the top of the upper section, the lower section 14-2 can only slide up and down on a track 14-4 arranged on the bottom surface inside the box body, but cannot rotate, the shapes of the upper end 14-1 and the lower section 14-2 are not particularly limited, the cross sections of the upper end 14-1 and the lower section 14-2 can be circular or rectangular, wherein three sections of cross bars 14-5 on the sliding switch are uniformly distributed on the lower section 14-2, the specific connection mode is the same as that in the first embodiment, not described in detail, in this embodiment, the two sides of the middle portion of the upper end of the vertical rod are provided with the rotating rods 14-6, wherein the length of the rotating rod 14-6 is less than that of the horizontal rod 14-5, the bottom surface of the box body is provided with the supporting blocks 14-7 for supporting the horizontal rod, the depth or height of the supporting blocks 14-7 is greater than half of the length of the rotating rod 14-6, the upper surface of the supporting blocks 14-7 is parallel to the upper surface of the rotating rod 14-6, so that when the upper section of the vertical rod rotates, the rotating rod 14-6 does not interfere with the bottom surface inside the box body, and the cross-sectional shape of the horizontal rod is not specifically limited, and may be circular or rectangular.
The width of the support block used to support the swivelling levers in this embodiment is equal to the distance L1, L1 from the side of the cassette after the vertical bars have been mounted in the track, which in turn is equal to the vertical distance L2 between the protrusions on the L type copper sheet.
The specific working conditions of this embodiment:
for an independent working unit rectangular groove, the copper sheets in the copper sheet groove on the left side in the rectangular groove can be connected with a power line or a control line, the copper sheets in the copper sheet groove on the right side are sequentially connected with U, V, W of a motor from top to bottom, when the connection and disconnection of circuits of the copper sheets on two sides are realized, the handle at the top end of the upper end of the vertical rod is firstly held, then the vertical rod rotates 90 degrees clockwise or anticlockwise, the rotating rod in the middle of the upper end is separated from the supporting block, then the sliding switch slides downwards to enable the cross rod on the vertical rod to be respectively in protruding contact with protrusions on the L type copper sheets on the two sides, so that the circuits on the two sides are connected, meanwhile, the upper end of the vertical rod rotates 90 degrees clockwise or anticlockwise again, the rotating rod is just below the supporting block, so that the stability of protruding connection of the cross rod and the copper sheets is realized.
When the forward and reverse rotation adjustment of the motor is to be realized, the specific operation method is the same as that of the first embodiment, and a description thereof is omitted.
The above description is only exemplary of the present invention, and not intended to limit the present invention, and any modifications, equivalents, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Other technical features than those described in the specification are known to those skilled in the art, and are not described in detail herein in order to highlight the novel features of the present invention.
Claims (5)
1. The power supply switching junction box comprises a box body with a detachable upper cover, a plurality of groups of plug interfaces are formed on the upper cover, and is characterized in that,
the bottom surface of the interior of the box body is provided with a plurality of rectangular grooves, and two sides of the interior of each rectangular groove are respectively provided with at least one copper sheet groove for placing a copper sheet; a plug interface penetrating through the bottom surface of the box body is arranged in the copper sheet groove;
a sliding switch is arranged in the middle of the copper sheet grooves on the two sides and moves up and down to be in contact with the copper sheets; the box body is provided with a track for the sliding switch to slide; the sliding switch consists of a vertical rod and a plurality of cross rods; the bottom surface in the box body is provided with a track for the sliding switch to slide up and down, and a plurality of cross rods are uniformly distributed along the vertical rod and have equal intervals; the vertical rod is an insulator; the cross bar is a conductor; the section of the vertical rod is circular, and the upper part of the vertical rod is provided with a convex edge; two sides of the convex edge are respectively provided with an elastic piece; the clearance between the two elastic pieces is larger than the diameter of the vertical rod and smaller than the diameter of the convex edge; the elastic piece is fixed on the bottom surface in the box body.
2. The power supply changeover junction box of claim 1, wherein the copper sheet is L type, one side of the L type copper sheet is clamped in the copper sheet groove, the other side of the copper sheet is perpendicular to the copper sheet groove, and a protrusion is arranged on one side of the copper sheet groove which is perpendicular to the side of the sliding switch.
3. The power supply adapter junction box of claim 2, wherein the L-type copper sheet has a bent edge at the top end of one side perpendicular to the groove of the copper sheet, the bent edge has a round hole corresponding to the plug interface on the upper cover, and the side placed in the groove of the copper sheet has a socket corresponding to the plug interface on the bottom surface inside the box body.
4. The power supply junction box of claim 1, wherein one end of the vertical rod moves in the track and the other end extends outside through the box body; the part of the vertical rod penetrating out of the box body is provided with a handle.
5. The power supply adapter junction box of claim 1, wherein said resilient member is arcuate; the opening directions of the two arc-shaped elastic pieces are opposite; one end of the elastic piece is detachably fixed on the bottom surface of the interior of the box body; the other end is suspended.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910549723.XA CN110289530B (en) | 2019-06-24 | 2019-06-24 | Power supply switching terminal box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910549723.XA CN110289530B (en) | 2019-06-24 | 2019-06-24 | Power supply switching terminal box |
Publications (2)
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CN110289530A CN110289530A (en) | 2019-09-27 |
CN110289530B true CN110289530B (en) | 2020-07-28 |
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Family Applications (1)
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CN201910549723.XA Active CN110289530B (en) | 2019-06-24 | 2019-06-24 | Power supply switching terminal box |
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CN (1) | CN110289530B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112271517B (en) * | 2020-11-13 | 2021-11-16 | 国网福建省电力有限公司宁化县供电公司 | Improved branch switching device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005938C2 (en) * | 1980-02-16 | 1985-02-07 | F.E.M.E. Fabbrica Equipaggiamenti Meccanico Elettrici S.p.A., Mailand/Milano | Push button or button assembly for electrical devices |
JPH0686245U (en) * | 1993-05-25 | 1994-12-13 | 松下電工株式会社 | Electromagnetic contactor |
US6861605B2 (en) * | 2002-12-04 | 2005-03-01 | Defond Manufacturing Limited | Electrical slide switch |
EP2492937B1 (en) * | 2011-02-23 | 2015-09-16 | ABB Technology AG | Switching apparatus |
CN202159612U (en) * | 2011-08-16 | 2012-03-07 | 宁波耀华电气科技有限责任公司 | Combination auxiliary switch for switching electric appliance |
CN203983107U (en) * | 2014-08-16 | 2014-12-03 | 温州格勒电气有限公司 | Slide switch |
CN204441157U (en) * | 2015-01-15 | 2015-07-01 | 许宝忠 | A kind of slide switch |
CN208422752U (en) * | 2018-05-24 | 2019-01-22 | 浙江正泰机电电气有限公司 | A kind of slide construction of slide plate and twin-power switch slide plate |
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2019
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