WO2023115866A1

WO2023115866A1 - Insulating spacer, push-type switching assembly, track electrical connector, and switching method

Info

Publication number: WO2023115866A1
Application number: PCT/CN2022/101213
Authority: WO
Inventors: 王泷
Original assignee: 东莞天盛电子制品有限公司
Priority date: 2021-12-24
Filing date: 2022-06-24
Publication date: 2023-06-29
Also published as: AU2022211859B2; CN114263867A; AU2022211859A1

Abstract

The present invention relates to the technical field of electrical connector instruments. An insulating spacer (1), a push-type switching assembly (2), a track electrical connector, and a switching method. The electrical connector instrument is provided with a load-end conductor (21), a source-end conductor (22), a source-end bearing component (24), a conductive push button (23) and an insulating spacer (1). The insulating spacer (1) is mounted on the source-end bearing component (24). The conductive push button (23) is slidably arranged at the sliding connection spacing portion (12) of the insulating spacer (1) along the lengthwise direction of the sliding connection spacing portion (12). The conductive push button (23) is provided with a conductive contact (233), the conductive contact (233) is conductively connected to the load-end conductor (21), the conductive contact (233) being provided with a sliding contact point (2331) and an elastic contact portion (2332). When the elastic contact portion (2332) is located at a position corresponding to a conductive window (13), the load-end conductor (21) and the source-end conductor (22) are conductively connected. With the present insulating spacer (1), the push-type switching assembly (2), the track electrical connector, and the switching method, the insulating spacer (1) being integrally designed, and integrally insulated, facilitates the conductive contact (233) to conductively connect to the load-end conductor (21) and the source-end conductor (22) at different positions, and the conductive push button (23) moves smoothly when driven, facilitating switching connection between different electrical circuits.

Description

Insulation spacer, push-type switching assembly, track connector and switching method

technical field

The invention relates to the technical field of electrical appliances, in particular to an insulating spacer, a push-type switching assembly, a rail connector and a switching method.

Background technique

The track light system replaces the traditional cable power supply method and is widely used. It generally includes power supply guide rails and track connectors. Track connectors are also called guide rail boxes, which connect or disconnect the circuit between electrical appliances and power supply guide rails. Chinese patent CN 210088626U discloses a three-wire track power supply box structure for LED track lights, which is inconvenient to switch between different conductive lines, and the insulation between different lines is poor.

Contents of the invention

The purpose of the present invention is to provide an insulating spacer, a push-type switching assembly, a track connector and a switching method to solve the above-mentioned problems.

In order to achieve the above object, the insulating spacer of the present invention includes: a main body, the main body is set to insulate and isolate the load end conductor and the source end conductor; Extending, the sliding spacer is set to provide support for the external conductive contacts and guide the direction in which the conductive contacts are pushed; at least two conductive windows are provided through the windows, and there are two adjacent conductive windows. The insulating spacers and the through windows are arranged in an array along the direction in which the sliding joint spacers extend, and the conductive windows are arranged between the load terminal conductor and the source terminal conductor.

Further, the sliding joint spacer is located on the side of the main body close to the load terminal conductor; it also includes an embedded insulating spacer, the embedded insulating spacer is arranged on the main body, and the embedded insulating spacer is located on the side of the main body close to the source end conductor side.

Further, the embedded insulating spacers are strip-shaped and divided into horizontal insulating spacers and vertical insulating spacers, and the horizontal insulating spacers and vertical insulating spacers are intersected.

Further, the sliding spacer includes a slide rail portion, two rows of through windows are provided, and the two rows of through windows are mirror-symmetrically arranged on both sides of the sliding spacer.

Further, it also includes sliding joint wings, two sliding joint wings are provided, and the two sliding joint wings are mirror-symmetrically arranged on both sides of the sliding joint spacer, and the length direction of the sliding joint wings is in line with the sliding joint spacer. The direction of extension is the same.

The push-type switching assembly of the present invention includes a load-end conductor, a source-end conductor, a source-end carrying part, a conductive push button and an insulating spacer of the present invention. The insulating spacer is installed on the source-end carrying part, and the conductive push button slides along the The length direction of the connecting spacer is slidably arranged on the sliding spacer of the insulating spacer, the conductive push button is provided with a conductive contact, and the conductive contact is electrically connected to the load terminal conductor, the source terminal conductor is arranged on the source terminal bearing part, and the source terminal conductor At least two conductive contacts are provided with a sliding contact point and an elastic contact part, and when the elastic contact part is located at a position corresponding to the conductive window, the load terminal conductor and the source terminal conductor are conductively connected.

Further, an embedded insulating spacer is arranged between the two adjacent source conductors; the conductive push button is provided with a buckle part and a sliding sleeve part, and the sliding sleeve part is slidably sleeved on the sliding spacer part, and the two The buckling parts are located on both sides of the sliding sleeve part and are respectively slidably buckled to the two sliding joint wings.

Further, the source carrying part is provided with a spacing groove/window, which separates two adjacent source conductors, and the end of the embedded insulating spacer is fitted in the spacing groove/window.

The track electrical connector of the present invention includes a casing and an insulating rotating shaft part, the insulating rotating shaft part is rotatably arranged in the casing, and also includes a power push type switching assembly, the source end carrying part is arranged on the casing, and the source end carrying part is provided with the source end carrying part The source terminal with the same number of terminal conductors is connected to the electric column, the source terminal conductor is conductively connected to the source terminal electric column, and the source terminal electric column is electrically connected to the conductive shrapnel of the insulating shaft member.

Further, two insulated shaft parts are provided, which are respectively a first insulated shaft part and a second insulated shaft part; the source terminal conductor is divided into a first pole conductor and a second pole conductor, and a first pole conductor and a second pole conductor The conductors are insulated and separated by horizontal insulating partitions; there are at least three first pole conductors and second pole conductors respectively, and two adjacent first pole conductors/second pole conductors are insulated and separated by vertical insulating partitions, At least two first pole conductors/second pole conductors are conductively connected to the conductive shrapnel of the first insulating shaft through the source terminal electric post, and at least one first pole conductor/second pole conductor is connected to the source terminal electric post through the source terminal electric post. The conductive elastic piece of the second insulating shaft member is electrically connected.

Further, the insulating shaft member includes a shaft shell and a conductive shrapnel, the conductive shrapnel is installed on the shaft shell, the first end of the conductive shrapnel is arranged outside the shaft shell, the shaft shell is provided with a toggle part, and the toggle part is turned when the shaft shell is turned. Pressing the second end of the conductive elastic piece to the source terminal electric post makes the second end of the conductive elastic piece conductively connect with the source terminal electric post.

In the method for changing the rail connector of the present invention, the rail connector described in claim 8 is used. There are three first pole conductors and three second pole conductors respectively, and the first insulating shaft member is provided with a first L-pole conductive sheet, a second pole conductor, and a first pole conductor. Two L-pole conductive sheets, the first N-pole conductive sheet and the second N-pole conductive sheet; the second insulating shaft member is provided with the third L-pole conductive sheet and the third N-pole conductive sheet, the first pole conductor and the second pole conductor There are three respectively, and the three first pole conductors are electrically connected to the first L-pole conductive sheet, the second L-pole conductive sheet, and the third L-pole conductive sheet respectively through the source terminal electric post; the three second-pole conductors are respectively connected through The source terminal electric column is conductively connected with the first N-pole conductive sheet, the second N-pole conductive sheet, and the third N-pole conductive sheet; there are three conductive windows; the conductive push button is provided with an L-pole conductive contact and an N-pole conductive contact The load end conductor is provided with L-pole load conductive sheet and N-pole load conductive sheet, and the L-pole conductive contact and N-pole conductive contact are respectively in sliding connection with the L-pole load conductive sheet and the N-pole load conductive sheet in a conductive state. Pushing the conductive push button along the direction in which the sliding spacer extends can make the elastic contact part switch between the three conductive windows, so that the elastic contact part will connect the L pole load conductive piece/N pole load conductive piece respectively with the The three first-pole conductors/second-pole conductors are switched between conductive connections, and then the L-pole load conductive sheet/N-pole load conductive sheet is respectively connected to the first L-pole conductive sheet, the second L-pole conductive sheet, and the third L-pole conductive sheet. Pole conductive sheet/first N-pole conductive sheet, second N-pole conductive sheet, and third N-pole conductive sheet are switched between conductive connections.

Beneficial effects of the present invention: the insulating spacer, the push-type switching assembly, the rail connector and the switching method of the present invention have an integrated design of the insulating spacer and are insulated as a whole. Specifically, the sliding spacer part includes a sliding rail part , there are two rows of through windows, and the two rows of through windows are mirror-symmetrically arranged on both sides of the sliding spacer, providing good insulation for different source conductors, and providing sliding guidance and support for conductive contacts, while conducting electricity The design of the window is convenient for the conductive contact to conductively connect the load terminal conductor and the source terminal conductor at different positions, and meanwhile, the thickness direction dimension of the conductive window also provides insulation for the load terminal conductor and the source terminal conductor. The conductive push button is provided with a buckle part and a sliding sleeve part, and the sliding sleeve part is slidably connected to the sliding joint interval part. The button provides support to avoid misalignment of the conductive push button when manually pressing the conductive push button; the two buckle parts are located on both sides of the sliding sleeve and are respectively slid and buckled to the two sliding wing edges to facilitate the conductive push button and insulating spacer Form a component, easy to assemble and connect.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a track connector of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of the track connector of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the insulating shaft member of the present invention.

Fig. 4 is a schematic diagram of the three-dimensional structure of the insulating spacer of the present invention.

Fig. 5 is a partial cross-sectional structural schematic diagram of the push-type switching assembly of the present invention.

FIG. 6 is another structural schematic diagram of the push-type switching assembly of the present invention.

Reference signs include:

1—insulation spacer

11—main body 12—sliding spacer 13—conductive window

14—embedded insulation spacer 15—sliding wing

2—Push type changeover assembly

21—load terminal conductor 211—L pole load conductive sheet 212—N pole load conductive sheet 22—source terminal conductor 221—first pole conductor 222—second pole conductor

23—conductive push button

231—Holding part 232—Sliding sleeve part

233—conductive contact 2331—sliding contact point 2332—elastic contact part

234—L pole conductive contact 235—N pole conductive contact

24—Source Carrier Components

241—Space slot/window 242—Source terminal electric column

3—Insulated shaft parts

31—the first insulating shaft member

311—the first L-pole conductive sheet 312—the second L-pole conductive sheet 313—the first N-pole conductive sheet 314—the second N-pole conductive sheet;

32—the second insulated shaft member 321—the third L-pole conductive sheet 322—the third N-pole conductive sheet

33—rotating shaft housing 34—toggle part.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-6, the insulating spacer 1 of the present invention includes: a main body 11, the main body 11 is configured to insulate and isolate the load terminal conductor 21 and the source terminal conductor 22; the sliding spacer 12, the sliding spacer 12 is arranged on the main body 11 and extends along a certain direction. The sliding spacer 12 is set to provide support for the external conductive contact 233 and guide the direction in which the conductive contact 233 is pushed; the conductive window 13 is provided through the window At least two, insulating spacers are arranged between two adjacent conductive windows 13, and the through windows are arranged in an array along the direction in which the sliding joint spacers 12 extend, and the conductive windows 13 are arranged to be located between the load terminal conductor 21 and the source terminal conductor 22 between. The insulating spacer 1 of the present invention is designed in one piece and is insulated as a whole. Specifically, the sliding spacer 12 includes a slide rail part, and two rows of penetrating windows are provided, and the two rows of penetrating windows are mirror-symmetrically arranged on the sliding spacer. The two sides of 12 provide good insulation for different source conductors 22, and provide sliding guidance and support for the conductive contacts 233. At the same time, the design of the conductive window 13 facilitates the conductive contacts 233 to connect the load terminal conductors 21 at different positions. It is conductively connected with the source terminal conductor 22 , and at the same time, the size of the conductive window 13 in the thickness direction also provides insulation for the load terminal conductor 21 and the source terminal conductor 22 .

In the insulating spacer 1 of the present invention, the sliding spacer 12 is located on the side of the main body 11 close to the load terminal conductor 21; The insulating spacer 14 is located on the side of the main body 11 close to the source conductor 22 , and the embedded insulating spacer 14 separates different source conductors 22 .

In the insulating spacer 1 of the present invention, the embedded insulating spacer 14 is strip-shaped and divided into a horizontal insulating spacer and a vertical insulating spacer, and the horizontal insulating spacer and the vertical insulating spacer are intersected.

The insulating spacer 1 of the present invention also includes sliding joint wings 15, two sliding joint wings 15 are provided, and the two sliding joint wings 15 are mirror-symmetrically arranged on both sides of the sliding joint spacer 12, the sliding joint wings The length direction of the side 15 is the same as the direction in which the sliding spacer 12 extends.

The push-type switching assembly 2 of the present invention includes a load-end conductor 21, a source-end conductor 22, a source-end bearing part 24, a conductive push button 23 and the insulating spacer 1 described in claim 1, and the insulating spacer 1 is installed on the source The end bearing part 24, the conductive push button 23 is slidably arranged on the sliding contact spacer 12 of the insulating spacer 1 along the length direction of the sliding contact spacer 12, the conductive push button 23 is provided with a conductive contact 233, and the conductive contact 233 is connected to the load The terminal conductor 21 is conductively connected, the source terminal conductor 22 is arranged on the source terminal bearing part 24, at least two source terminal conductors 22 are provided, the conductive contact 233 is provided with a sliding contact point 2331 and an elastic contact part 2332, and the elastic contact part 2332 When located at the position corresponding to the conductive window 13, the load terminal conductor 21 and the source terminal conductor 22 are conductively connected.

In the push-type switching assembly 2 of the present invention, an embedded insulating spacer 14 is arranged between the two adjacent source conductors 22 to further improve the insulation effect; the conductive push button 23 is provided with a buckle 231 and a sliding sleeve part 232, the sliding sleeve part 232 is slidably sleeved on the sliding spacer 12, and moves smoothly when pushing the conductive push button 23, and can provide support for the conductive push button 23 in the direction perpendicular to the extension plane of the sliding spacer 12 to avoid manual operation. When the conductive push button 23 is pressed, the conductive push button 23 will be misplaced; the two buckling parts 231 are located on both sides of the sliding sleeve part 232 and are respectively slid and buckled on the two sliding joint wings 15, so as to facilitate the conductive push button 23 and the insulating barrier. Part 1 forms an assembly, which is easy to assemble and connect.

In the push-type switching assembly 2 of the present invention, the source end carrying part 24 is provided with a spacing groove/window 241, the spacing groove/window 241 separates two adjacent source end conductors 22, and the embedded insulating spacer 14 The ends are matched with the spacer slot/window 241 , so that the insulating spacer 1 is easily assembled and connected to the source end bearing part 24 .

The track electrical connector of the present invention includes a housing and an insulating shaft member 3, the insulating shaft member 3 is rotatably arranged in the housing, and also includes a push-type switching assembly 2, the source bearing part 24 is arranged in the housing, and the source bearing part 24 is provided with the same number of source terminal electric columns 242 as the source terminal conductors 22, the source terminal conductors 22 are electrically connected to the source terminal electric columns 242, and the source terminal electric columns 242 are conductively connected to the conductive shrapnel of the insulating shaft member 3. The insulating shaft part 3 can refer to the insulating shaft part in the prior art, which plays the role of limiting the relative position of the track connector and the conductive track, and simultaneously takes electricity from the conductive track. In the rail connector of the present invention, the position of the conductive contact 233 is changed by pushing the conductive push button 23, so as to facilitate switching of different connection lines.

In the rail connector of the present invention, the insulating shaft member 3 is provided with two, which are respectively the first insulating shaft member 31 and the second insulating shaft member 32; the source terminal conductor 22 is divided into a first pole conductor 221 and a second pole conductor 222, the first pole conductor 221 and the second pole conductor 222 are insulated and separated by a horizontal insulating spacer; the first pole conductor 221 and the second pole conductor 222 are respectively provided with at least three, and two adjacent first pole conductors 221 / The second pole conductor 222 is insulated and separated by the vertical insulating partition, and at least two first pole conductors 221 / second pole conductors 222 are conductively connected to the conductive elastic piece of the first insulating shaft member 31 through the source terminal electric post 242 , at least one first pole conductor 221 /second pole conductor 222 is conductively connected to the conductive elastic piece of the second insulating shaft member 32 through the source terminal electric post 242 . The track connector of the present invention can realize multi-line conductive connection in a limited size. Two adjacent first pole conductors 221 or second pole conductors 222 are insulated and separated by vertical insulating spacers; Conductive connection of the conductive shrapnel of the two insulating shaft parts 32

Specifically, in the rail connector of the present invention, the insulating shaft member 3 includes a shaft housing 33 and a conductive shrapnel, the conductive shrapnel is installed on the shaft housing 33, the first end of the conductive shrapnel is arranged outside the shaft housing 33, and the shaft housing 33 is set There is a toggle part 34, and when the rotating shaft housing 33 is rotated, the toggle part 34 presses the second end of the conductive shrapnel to the source terminal pole 242 so that the second end of the conductive shrapnel is conductively connected to the source terminal pole 242.

In the method for changing the rail connector of the present invention, using the rail connector of the present invention, there are three first pole conductors 221 and three second pole conductors 222 respectively, and the first insulating shaft member 31 is provided with a first L pole conductive piece 311, The second L pole conductive piece 312, the first N pole conductive piece 313 and the second N pole conductive piece 314; the second insulating shaft part 32 is provided with the third L pole conductive piece 321 and the third N pole conductive piece 322, the first There are three pole conductors 221 and three second pole conductors 222 respectively, and the three first pole conductors 221 are respectively connected to the first L-pole conductive piece 311, the second L-pole conductive piece 312, and the third L-pole through the source terminal electric post 242. The conductive sheet 321 is conductively connected; the three second-pole conductors 222 are electrically connected to the first N-pole conductive sheet 313, the second N-pole conductive sheet 314, and the third N-pole conductive sheet 322 respectively through the source terminal electric post 242; the conductive window 13 is provided with three; the conductive push button 23 is provided with the L pole conductive contact 234 and the N pole conductive contact 233, the load end conductor 21 is provided with the L pole load conductive sheet 211 and the N pole load conductive sheet 212, the L pole conductive contact 234, the N-pole conductive contact 233 is respectively in a sliding connection with the L-pole load conductive sheet 211 and the N-pole load conductive sheet 212 in a conductive state, and pushing the conductive push button 23 along the direction in which the sliding spacer 12 extends can make the elastic contact The connection part 2332 is switched between the three conductive windows 13, so that the elastic contact part 2332 connects the L pole load conductive sheet 211/N pole load conductive sheet 212 with the three first pole conductors 221/second pole conductors 222 respectively. Switch between conductive connections, and then realize that the L-pole load conductive sheet 211/N-pole load conductive sheet 212 are respectively connected with the first L-pole conductive sheet 311, the second L-pole conductive sheet 312, the third L-pole conductive sheet 321/the first L-pole conductive sheet The N-pole conductive sheet 313 , the second N-pole conductive sheet 314 , and the third N-pole conductive sheet 322 are switched between conductive connections. According to the method for changing the rail connector of the present invention, the insulating spacer 1 provides good insulation for the different source conductors 22, and provides sliding guidance and support for the conductive contact 233. At the same time, the design of the conductive window 13 is convenient for the conductive contact 233. Conductively connect the load terminal conductor 21 and the source terminal conductor 22 at different positions, and at the same time, the size of the conductive window 13 in the thickness direction also provides insulation for the load terminal conductor 21 and the source terminal conductor 22. Switch between the first L-pole conductive sheet 311, the second L-pole conductive sheet 312, and the third L-pole conductive sheet 321 respectively, and the N-pole load conductive sheet 212 is connected to the first N-pole conductive sheet 313 and the second N-pole conductive sheet The conductive connection between the conductive sheet 314 and the third N-pole conductive sheet 322 is switched.

To sum up, it can be known that the present invention has the above-mentioned excellent characteristics, which enables it to improve the performance that is not available in the prior art in use, and has practicability, and becomes a product with great practical value.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims

The insulating spacer is characterized in that it includes:

a main body, the main body is configured to insulate and isolate the load terminal conductor and the source terminal conductor;

a sliding spacer, the sliding spacer is arranged on the main body and extends along a certain direction, and the sliding spacer is set to provide support for the external conductive contacts and guide the direction in which the conductive contacts are pushed;

Conductive windows, at least two through-windows are provided, insulating spacers are arranged between two adjacent conductive windows, the through-windows are arranged in an array along the direction in which the sliding joint spacers extend, and the conductive windows are arranged to be located at the load end conductor and the source end between conductors.
The insulating spacer according to claim 1, characterized in that: the sliding spacer is located on the side of the main body close to the conductor at the load end; The type insulating spacer is located on the side of the main body close to the source conductor.
The insulating spacer according to claim 1, characterized in that: it also includes sliding joint wings, two sliding joint wings are provided, and the two sliding joint wings are mirror-symmetrically arranged on both sides of the sliding joint spacer, The length direction of the sliding wing edge is in the same direction as the extending direction of the sliding spacer.
The push-type switching assembly is characterized in that it includes a load-end conductor, a source-end conductor, a source-end carrying part, a conductive push button and the insulating spacer according to claim 1, the insulating spacer is installed on the source-end carrying part, and the conductive push button The button is slidably arranged on the sliding spacer of the insulating spacer along the length direction of the sliding spacer, the conductive push button is provided with a conductive contact, and the conductive contact is electrically connected to the load terminal conductor, and the source terminal conductor is provided on the source terminal bearing part , at least two source conductors are provided, and the conductive contact is provided with a sliding contact point and an elastic contact part, and when the elastic contact part is located at a position corresponding to the conductive window, the load terminal conductor and the source terminal conductor are conductively connected.
The push-type switching assembly according to claim 4, characterized in that: an embedded insulating spacer is arranged between the two adjacent source conductors; the conductive push button is provided with a buckle part and a sliding sleeve part, The sliding sleeve part is slidably socketed on the sliding joint spacer part, and the two buckling parts are located on both sides of the sliding sleeve part and are respectively slidably buckled and connected to the two sliding joint wings.
The push-type switching assembly according to claim 5, characterized in that: the source end bearing part is provided with a spacer slot/window, the spacer slot/window separates two adjacent source end conductors, and the embedded insulation spacer The end of the part fits in the spacer slot/window.
The track connector includes a casing and an insulating shaft part, the insulating shaft part is rotatably arranged in the casing, and it is characterized in that it also includes the push-type switching assembly described in claim 4, the source end carrying part is arranged on the casing, and the source end The carrying part is provided with the same number of source terminal electric columns as the source terminal conductors, the source terminal conductors are conductively connected to the source terminal electric columns, and the source terminal electric columns are conductively connected to the conductive shrapnel of the insulating shaft member.
The track electrical connector according to claim 7, characterized in that: there are two insulating rotating shaft parts, which are respectively the first insulating rotating shaft part and the second insulating rotating shaft part; the source terminal conductor is divided into a first pole conductor and a second pole conductor. Two-pole conductors, the first pole conductor and the second pole conductor are insulated and separated by a horizontal insulating spacer; there are at least three first pole conductors and second pole conductors respectively, and two adjacent first pole conductors/second pole conductors The pole conductors are insulated and separated by the vertical insulating partition, at least two first pole conductors/second pole conductors are conductively connected to the conductive shrapnel of the first insulating rotating shaft through the source terminal electric post, and there is at least one first pole conductor /The second pole conductor is conductively connected to the conductive elastic piece of the second insulating shaft member through the source terminal electric post.
The track electrical connector according to claim 7, characterized in that: the insulating rotating shaft member comprises a rotating shaft shell and a conductive shrapnel, the conductive shrapnel is installed on the rotating shaft shell, the first end of the conductive shrapnel is arranged outside the rotating shaft shell, and the rotating shaft shell is arranged There is a toggle part, and when the rotating shaft housing is rotated, the toggle part presses the second end of the conductive shrapnel to the source terminal electric column so that the second end of the conductive elastic piece is conductively connected to the source terminal electric post.
The method for changing track electrical connection, characterized in that: using the track electrical connection according to claim 8, there are three first pole conductors and second pole conductors respectively, and the first insulating rotating shaft part is provided with a first L pole conductive piece, The second L-pole conductive sheet, the first N-pole conductive sheet and the second N-pole conductive sheet; the second insulating shaft part is provided with the third L-pole conductive sheet and the third N-pole conductive sheet, the first pole conductor and the second pole There are three conductors respectively, and the three first pole conductors are electrically connected to the first L-pole conductive sheet, the second L-pole conductive sheet, and the third L-pole conductive sheet respectively through the source terminal electric post; the three second-pole conductors are respectively Conductive connection with the first N-pole conductive sheet, the second N-pole conductive sheet, and the third N-pole conductive sheet through the source terminal electric column; there are three conductive windows;

The conductive push button is provided with L-pole conductive contacts and N-pole conductive contacts, and the load-side conductor is provided with L-pole load conductive sheets and N-pole load conductive sheets. The conductive sheet and the N-pole load conductive sheet maintain a sliding connection in a conductive state, and pushing the conductive push button along the direction in which the sliding spacer extends can make the elastic contact part switch among the three conductive windows, so that the elastic contact part The L-pole load conductive sheet/N-pole load conductive sheet is switched between the conductive connections with the three first pole conductors/second pole conductors respectively, so as to realize the L-pole load conductive sheet/N-pole load conductive sheet respectively connecting with the first pole conductor. The conductive connection of the L pole, the second L pole, the third L pole/the first N pole, the second N pole conduction, and the third N pole conduction is switched.