CN112086825A - Get electric plug, power supply guide rail and power connection structure - Google Patents

Abstract

The invention discloses a power supply plug, a power supply guide rail and a power supply connection structure, and relates to the technical field of building wiring. A power-taking plug, a power supply guide rail and a power supply connection structure, comprising: a power-taking plug body, a locking assembly and a power-taking electrode head fixed on the power-taking plug body, and the locking assembly is used for After the power-taking electrode head is inserted into the power rail, the power-taking plug is fixed on the power rail; the overall cross-section of the locking assembly is an L-shaped structure, after the power-taking electrode head is inserted into the power rail, the The bottom surface of the L-shaped structure is tightly fastened to the outer surface of the power rail. The invention realizes convenient insertion and replacement between the guide rail and the plug, simplifies the wiring difficulty, and satisfies the requirement of fast wiring.

Description

A power-taking plug, a power supply guide rail and a power supply connection structure

technical field

The invention relates to the technical field of building wiring, in particular to a power supply plug, a power supply guide rail and a power supply connection structure.

Background technique

When arranging cables and pipelines for indoor buildings, it is necessary to make cable and pipeline accommodating pipe grooves in the process of building construction, and deeply bury the produced cable and pipeline in the accommodating grooves or wall grooves and buried pipes. At present, building pipelines The laying method mainly lays cables through pipes, bottom boxes, etc. This method pre-grows the walls and buries the pipes, bottom boxes, etc., and then passes the cables. This arrangement will cause the wiring of cables and pipelines to be difficult, require certain technical difficulties, difficult to replace, difficult to repair, and easy to corrode. Therefore, a structure capable of safe and fast wiring is required to solve the problems in the prior art.

SUMMARY OF THE INVENTION

In order to solve the problems existing in the background technology, the present invention provides a guide rail and a connection structure, a protection device is provided for the power plug and the power guide rail, and innovations are made in the power guide rail, the connecting piece and the power plug, which can realize stable movement. , Power supply and safety protection at any point of the guide rail. This patent provides a wiring scheme in a building jacket, especially suitable for prefabricated buildings.

According to one aspect of the present invention, a power-taking plug includes: a power-taking plug body, a locking assembly and a power-taking electrode head fixed on the power-taking plug body, and the locking assembly is used for After the power-taking electrode head is inserted into the power rail, the power-taking plug is fixed on the power rail; the overall cross-section of the locking assembly is an L-shaped structure. After the power-taking electrode head is inserted into the power rail, the The inner surface of the L-shaped structure is tightly fastened to the outer surface of the power rail.

Further optionally, the edge of the inner surface of the L-shaped structure is provided with a locking rib, and the locking rib is inserted into the locking groove on the outer surface of the power rail to be fixed.

Further optionally, the lateral side of the L-shaped structure is connected to the power-taking plug body through a shaft.

Further optionally, an electrode contact is provided on the power-taking electrode head, and the electrode contact cooperates with the electrode in the power supply rail to realize conduction.

Further optionally, the electrode contacts include: a first contact, the first contact is composed of a conductor, and is arranged on the first side of the power-taking plug body; a second contact and a third contact, the The second contact and the third contact are formed of conductors, and the second contact and the third contact are arranged in parallel on the second side of the power-taking plug body at a fixed distance.

According to another aspect of the present invention, there is a power rail, the power rail includes at least one section of the power taking rail, the outer surface of the power rail is provided with a locking groove, and the locking groove is used for taking power in the power taking plug After the electrode head is inserted into the power rail, the power plug is fixed on the power rail in cooperation with the locking rib of the power plug.

Further optionally, an electrode is provided inside the power supply rail, and the electrode includes: a first electrode, the first electrode is composed of a conductor, and is arranged on a first side inside the power supply rail, and the first electrode is composed of a conductor. The first side of the plug corresponds to the first side on the power-taking electrode tip of the power-taking plug, and the first electrode is electrically connected to the first contact on the power-taking electrode tip; the second electrode and the third Electrodes, the second electrode and the third electrode are composed of conductors, and are arranged on the second side inside the power supply rail, and the second side of the second electrode and the third electrode is connected with the power-taking electrode of the power-taking plug Corresponding to the second side on the head, the second electrode and the third electrode are electrically connected to the second contact and the third contact on the power-taking electrode head.

Further optionally, the power supply guide rail includes at least two sections of the power supply guide rail, and each section of the power supply guide rail is connected by a guide rail connector, and the guide rail connector includes: a guide rail connector body with at least two ports and at least two a connection plug; one side of the port is fixedly arranged along the edge of one end of the rail connector body, and the connection plug is arranged in the middle of one end of the rail connector body; the overall cross section of the port is an L-shaped structure. After the connecting plug is inserted into the inside of the power supply rail, the inner surface of the L-shaped structure is tightly fastened to the outer surface of the power supply rail; the inner surface of the L-shaped structure is provided with locking ribs, and the locking ribs are inserted into The outer surface of the power supply guide rail is fixed; the connection plug is provided with electrode contacts, and the electrode contacts cooperate with the electrodes in the power extraction guide rail to realize electrical connection.

Further optionally, the main body material of the guide rail connector adopts one of a metal material and a non-metal material.

Further optionally, the power rail further includes a protective cover plate, and fixed protrusions are provided on both sides of the protective cover to cooperate with the protective groove of the power rail for protection.

According to another aspect of the present invention, a power connection structure is characterized in that, it includes the power taking plug, a rail connector and the power rail.

The beneficial effects of the present invention are:

1. The present invention adopts the structural design of the power rail and the power plug, so that the power plug can be connected at any point on the power rail for easy access and movement, and multiple power plugs can be accommodated on one power rail. The convenient insertion and replacement between the guide rail and the plug is realized, the difficulty of wiring is simplified, and the demand for rapid wiring is met.

2. In the present invention, by arranging the plug body and fixing the locking pinch plate on the power plug, the power plug can be stably fixed on the power rail and facilitate insertion, removal, and movement. At the same time, the opening direction of the power rail in the present invention is the lower opening, and this arrangement can prevent the conductive rail from being exposed to the air to oxidize and cause electricity danger, and further improve the safety of the power supply.

3. The present invention can realize the variable direction connection of multiple power supply rails through the connection between the power supply rail and the adapter. This design method can solve the problem of adapting to any wall when wiring inside the building jacket, and can be used for any angle. Wiring can be carried out without any additional construction, and the cable arrangement can be completed.

Description of drawings

Fig. 1 shows the schematic diagram of the power rail of the present invention;

Fig. 2 shows the structural schematic diagram of the guide rail connector of the present invention;

Fig. 3 shows the side view of the rail connector of the present invention being connected to the power rail;

FIG. 4 shows a schematic view of the structure of the power-taking plug of the present invention;

5 shows a schematic diagram of the internal structure of the power-taking plug of the present invention;

Fig. 6 shows the side view of the connection between the power-taking plug of the present invention and the power rail;

7 shows a schematic structural diagram of the guide rail connector body of the present invention being a flexible material;

FIG. 8 shows a schematic structural diagram of the three-way guide rail connector of the present invention.

Description of reference numbers:

Power rail 1, mounting hole 2, insulating flame retardant 3, power rail frame 4, protective cover 5, electrode 6, locking groove 7, contact top spring 8, first contact 9 of the connector, contact Installation slot 10, connecting plug 11, port 12, rail connector body 13, rail connector locking device 14, connector foolproof guide rib 15, rail connector plug 16, wire protection tube 17, power take-off plug 18, take Power plug body 19, locking assembly shaft 20, power plug locking assembly 21, locking ribs 22, power plug second contact 23, power plug electrode head 24, power plug body cover 25, lead 26, plug The third contact 27 of the electrical plug, the body cover 28 of the electrical plug, the hose limiting ring 29,

The plug body cover and the plug body fixing groove 30, the inside of the plug body 31, the terminal block 32, the second contact 33 of the connector, the third contact 34 of the connector, and the first contact 35 of the power plug.

Detailed ways

The present invention will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those of ordinary skill in the art to better understand and thus implement the content of the present invention, and do not imply any limitation on the scope of the present invention.

As used herein, the term "including" and variations thereof are to be read as open-ended terms meaning "including, but not limited to." The term "based on" is to be read as "based at least in part on". The terms "one embodiment" and "one embodiment" are to be read as "at least one embodiment." The term "another embodiment" is to be read as "at least one other embodiment."

Example 1

In an embodiment of the present invention, FIG. 4 shows a schematic structural diagram of a power-taking plug of the present invention; this embodiment discloses a power-taking plug 18, including:

The power-taking plug body 19, as well as the locking assembly 21 and the power-taking electrode head 24 fixed on the power-taking plug body 19, the locking assembly 21 is used to connect the power-taking plug 18 after the power-taking electrode head 24 is inserted into the power rail 1. It is fixed on the power rail 1; the overall cross-section of the locking assembly 21 is an L-shaped structure.

The edge of the bottom surface of the L-shaped structure is provided with a locking rib 22 , and the locking rib 22 is inserted into the locking groove 7 on the outer surface of the power rail 1 to be fixed. The lateral side of the L-shaped structure is connected to the power-taking plug body 19 through the locking assembly shaft 20 . The electrode head 24 for taking electricity is provided with electrode contacts, and the electrode contacts cooperate with the electrodes in the power supply rail 1 to achieve conduction.

The electrode contacts include: the first contact 35 of the power-taking plug, the first contact 35 is composed of conductors, and is arranged on the first side of the power-taking plug body; the second contact and the third contact, the second contact and the first contact The three contacts are composed of conductors, and the second contact and the third contact are arranged in parallel on the second side of the power-taking plug body 19 with a fixed distance.

This embodiment also includes a power rail. FIG. 1 shows a schematic diagram of the power rail of this embodiment; FIG. 2 shows a schematic structural diagram of a rail connector of the present invention. The power supply rail 1 includes at least one section of the power supply rail, and the outer surface of the power supply rail 1 is provided with a locking groove 7. The locking groove 7 functions as follows: after the power extraction electrode head 24 of the power extraction plug 18 is inserted into the power supply rail 1, it cooperates with the power supply rail 1. The locking rib 22 of the power plug 18 fixes the power plug 18 on the power rail 1; The dumb guide rib 15 cooperates with the locking groove 7 on the power rail 1 to play the role of guiding and preventing the rail connector from being dumb.

Electrodes are arranged inside the power taking rail, the electrodes include: a first electrode, the first electrode is composed of conductors, and is arranged on the first side inside the power rail 1, and the first side of the first electrode is connected to the power taking electrode head of the power taking plug 18 24 corresponds to the first side, and the first electrode is electrically connected to the first contact 35 of the power-taking plug on the power-taking electrode head 24;

The second electrode and the third electrode. The second electrode and the third electrode are composed of conductors and are arranged on the second side inside the power rail 1. Corresponding to the second side on the head 24 , the second electrode and the third electrode are electrically connected to the second contact 23 and the third contact 27 on the power taking electrode head 24 .

The power rail 1 includes at least two sections of power-taking rails, and each section of the power-taking rails is connected by a rail connector plug 16. The rail connector plug 16 includes: a rail connector body 13 with at least two ports 12 and at least two connection plugs 11; one side of the port 12 is fixedly arranged along the edge of one end of the rail connector body 13, and the connecting plug 11 is arranged in the middle of one end of the rail connector body 13.

The overall cross-section of the port 12 is an L-shaped structure. After the connecting plug 11 is inserted into the power-taking rail, the bottom surface of the L-shaped structure is tightly fastened to the outer surface of the power supply rail 1; , the foolproof guide rib 15 of the connector is snapped into the locking groove 7 on the outer surface of the power rail 1 to be fixed.

Electrode contacts are provided on the connection plug 11, and the electrode contacts cooperate with the electrodes in the power-taking guide rail to realize electrical connection. The material of the guide rail connector body 13 is one of metallic material and non-metallic material. The non-metallic material is selected from one of plastics, glass, rubber, ceramics, etc., or a flexible hose is used as the body of the rail connector.

The power rail 1 further includes a protective cover plate 5, and the two sides of the protective cover plate 5 are provided with fixed protrusions, which cooperate with the protective groove of the power rail for protection.

The beneficial effects of this embodiment are:

1. In this embodiment, through the structural design of the power rail and the power plug, the power plug can be conveniently plugged at any point on the power rail, and multiple power plugs can be accommodated on one power rail. The convenient insertion and replacement between the guide rail and the plug is realized, the difficulty of wiring is simplified, and the demand for rapid wiring is met.

2. In this embodiment, by arranging the plug body and the fixing locking plate on the power plug, the power plug can be stably fixed on the power rail and can be securely and reliably inserted, fixed and removed. At the same time, the opening direction of the power rail in the present invention is the lower opening, and this arrangement can prevent the conductive rail from being exposed to the air for oxidation or danger of electricity use, and further improves the safety of the power supply.

3. This embodiment can realize the variable direction connection of multiple power rails through the connection between the power rail and the adapter. This design method can solve the problem of adapting to any wall when wiring in the building, especially suitable for prefabricated type. The building pipeline is separated, and the wiring can be carried out at any angle without any additional construction, which can complete the cable arrangement.

Example 2:

According to an embodiment of the present invention, FIG. 3 shows a side view of the guide rail connector of the present invention; FIG. 5 shows a schematic diagram of the internal structure of the power-taking plug of the present invention; FIG. 6 shows the power-taking plug of the present invention and the A side view of the power rail connection; FIG. 7 shows a schematic structural diagram of the main body of the rail connector of the present invention being a flexible material;

As a preferred embodiment, this embodiment provides a power rail 1 , a power taking plug 18 and a rail connector plug 16 .

The power rail 1 includes: a power rail frame 4 . Preferably, in this embodiment, the material of the power rail frame 4 is an aluminum alloy metal material, and other metal materials can also be selected. A fixed mounting hole 2 is provided above or below the power rail frame 4, and the fixed mounting hole 2 is used to fix the power rail frame 4 on the wall (the mounting hole can be in the form of a round hole, an oval hole, a rectangular hole, etc. form). In a preferred embodiment of the present invention, the power rail 1 is a structure with an open bottom and a hollow inside, and the structure formed inside is the power taking rail. The outer surface of the power rail is provided with a locking groove 7, which can cooperate with the foolproof guide rib 15 of the connector or the locking rib 22 of the power plug 18 to fix the rail connector or the power plug.

Three groups of electrodes are arranged inside the power taking rail, including a first electrode, a second electrode and a third electrode. In this embodiment, the first electrode is arranged on the upper side of the power-taking rail, and the second electrode and the third electrode are arranged on the left side of the power-taking rail. The three groups of electrodes and the power rail frame 4 are connected through an insulating flame retardant body 3 . The three groups of electrodes are all composed of conductors 6 , and in this embodiment, copper or copper alloy rows are preferably used as the material of the conductors 6 .

The power rail 1 further includes a protective cover plate 5, and the two sides of the protective cover plate 5 are provided with fixing protrusions. Power rail protection grooves are provided on both sides of the lower opening of the power rail 1, and the direction of the grooves is parallel to the direction of the guide rails, which can cooperate with the fixed protrusions of the protective cover plate 5 for protection. As shown in FIG. 1 , the protrusion of the protective cover plate 5 is arranged on the inner side, and the protective groove of the power rail 1 is arranged on the outer side, and the two are arranged in cooperation. According to another embodiment of the present invention, the protective groove may also be provided inside the guide rail opening, and cooperate with the fixed protrusion provided on the outer side of the protective cover plate 5 for protection. When there is no power-taking plug on the power rail, the protective cover 5 can be fastened and fixed at the lower opening of the power rail 1 for cooperative protection.

The power rail 1 includes at least two sections of the power taking rail, and each section of the power taking rail is connected by a rail connector 16 . In order to fit the rail connector plug 16 with at least two sections of power taking rails, the rail connector body 13 can be made of flexible hose material, or can be made of metal material. At the same time, if there are three sections of power taking rails to be connected, the rail connector plug 16 can also be set to have ports 12 and connection plugs 11 in three directions, the structure of which is shown in FIG. 8 .

As shown in Figures 2 and 3, the overall cross-section of the port 12 provided at the end of the rail connector body 13 is an L-shaped structure. After the connecting plug 11 is inserted into the power rail 1, the bottom surface of the L-shaped structure is tightly buckled to the power supply. The outer surface of the guide rail 1 and the inner surface of the L-shaped structure are provided with a foolproof guide rib 15 for the connector.

Electrode contacts are provided on the connection plug 11 , and the electrode contacts include a first contact 9 , a second contact 33 and a third contact 34 . The first contact 9 is arranged on the upper side of the connection plug 11, and is in mating contact with the first electrode in the power taking rail to realize electrical connection. The second contact 33 and the third contact 34 are arranged in parallel on the left side of the connection plug 11 at a fixed distance, and are in mating contact with the second electrode and the third electrode in the power taking rail to realize electrical connection.

The first contact 9, the second contact 33 and the third contact 34 are all provided with a contact mounting slot 10, a contact pressing spring 8 is arranged inside the contact mounting slot, the first contact 9, the second contact Point 33 and third contact 34 are made of conductive metal, preferably copper or copper alloy contacts in this embodiment. One end of the contact top tension spring 8 is arranged at the bottom of the contact mounting slot 10, and the other end is connected to the bottom of the three groups of contacts. When the guide rail connector 16 is inserted into the power taking guide rail 1, a tight sliding contact between the contact and the electrode can be achieved, and such a design method can make the power take-off safe and reliable.

In the embodiment shown in FIG. 2 , the guide rail connector body 13 adopts metal material or non-metal material, and the non-metal material is selected from one of plastics, glass, rubber, ceramics and other materials, or a flexible hose is used as the guide rail connection body of the piece. A flexible hose material is used in one embodiment shown in FIG. 7 . When the flexible hose material faces the need to adjust the arrangement direction according to the wall angle, it can electrically connect two power taking rails arranged in different directions.

The device connected to the power rail 1 further includes a power-taking plug 18 , and the internal structure of the power-taking plug 18 is shown in FIGS. 4 and 5 . The power-taking plug 18 includes a power-taking plug body 19 , a locking assembly 21 and a power-taking electrode head 24 . Electrode contacts are provided on the power-taking electrode head 24 , and the electrode contacts include a first contact 35 , a second contact 23 and a third contact 27 . The first contact 35 is arranged on the upper side of the connection plug 11, and is in mating contact with the first electrode in the power taking rail to realize electrical connection. The second contact 23 and the third contact 27 are arranged in parallel on the left side of the connection plug 11 at a fixed distance, and are in mating contact with the second electrode and the third electrode in the power taking rail 18 to achieve electrical connection.

The shaft connection between the power-taking plug body 19 and the locking assembly 21 is carried out through the locking assembly rotating shaft 20 . The overall side view of the locking assembly 21 is an L-shaped structure, and the lateral side of the L-shaped structure is connected to the power-taking plug body 19 through the rotating shaft 20 of the locking assembly. The edge of the inner surface of the L-shaped structure is provided with a locking rib 22 , and the locking rib 22 is inserted into the locking groove 7 on the outer surface of the power rail 1 to be fixed.

FIG. 6 shows the connection mode of the power plug 18 and the power rail 1 . When connecting, manually rotate the locking assembly 21 to form a certain angle such as 90° with the power-taking electrode head 24 , so that the power-taking plug and the power-taking electrode head 24 can be inserted into the power rail 1 . After the insertion, the rotating shaft of the locking assembly of the rotating locking assembly 21 can be engaged with the locking groove 7 of the power taking rail 1 at this time. At this time, the three electrodes inside the power rail 1 can be tightly electrically connected to the three contacts on the power plug 18 .

The internal structure of the power-taking plug body 19 includes a power-taking plug body cover 28 and a terminal block 32. One end of the terminal block 32 is connected to the wire 26, and the other end is connected to the three groups of contacts on the power-taking electrode head 24 to realize the circuit. of connectivity. The lower part of the cover plate 28 of the power-taking plug body is provided with a hose restriction ring 29 , which is used to limit the connection between the conduit 17 and the power-taking plug body 19 . Since the outer side of the conduit 17 is provided with the same structure as the hose fixing rib 30, in order to cooperate with the fixing of the conduit 17, the lower parts of the power taking plug body 19 and the cover plate 28 of the power taking plug body are provided with the hose limiting ring 29, The way of fixing the rib 30 of the hose realizes the cooperation with the wire protection tube 17 , which can further fix the connection between the wire protection tube 17 and the power taking plug body 19 . The material of the conduit can be made of metal materials such as aluminum alloys, or can be made of plastic snakeskin hoses or engineering plastic pipes.

The beneficial effects of this embodiment are:

1. In this embodiment, through the structural design of the power rail and the power plug, the power plug can be inserted at any point on the power rail, and multiple power plugs can be accommodated on one power rail for setting. The convenient insertion and replacement between the guide rail and the plug is realized, the difficulty of wiring is simplified, and the demand for rapid wiring is met.

2. In this embodiment, the power plug can be stably fixed on the power rail and can be inserted and taken out by arranging the plug body and the fixing locking plate on the power plug. At the same time, the opening direction of the power rail in the present invention is the lower opening. This arrangement can prevent the conductive rail from being exposed to the air to be oxidized, waterproof, anti-touch or dangerous to use electricity, and further improves the safety of the power supply.

3. This embodiment can realize the variable direction connection of multiple power rails through the connection between the power rail and the rail connector. This design method can solve the problem of adapting to any wall when wiring in the building, especially suitable for prefabricated type. The building pipelines are separated and routed, and can be routed at any angle without any additional construction, which can complete the cable arrangement.

The above description is only a preferred embodiment of the present application and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover the above technical features without departing from the inventive concept. Other technical solutions formed by any combination of its equivalent features. For example, a technical solution is formed by replacing the above features with the technical features disclosed in this application (but not limited to) with similar functions.

It should be understood that the size of the sequence numbers of the steps in the content of the present invention and the embodiments does not absolutely mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not The implementation process constitutes any limitation.

Claims (11)

1. A power-taking plug, characterized in that it comprises: a power-taking plug body, a locking assembly and a power-taking electrode head fixed on the power-taking plug body, and the locking assembly is used for After the electric electrode head is inserted into the power rail, fix the power-taking plug on the power rail; The overall cross-section of the locking assembly is an L-shaped structure. After the power-taking electrode head is inserted into the power rail, the inner surface of the L-shaped structure is tightly fastened to the outer surface of the power rail. 2 . The power plug according to claim 1 , wherein a locking rib is provided on the edge of the inner surface of the L-shaped structure, and the locking rib is inserted into the locking groove on the outer surface of the power rail to be fixed. 3 . . 3 . The power-taking plug according to claim 1 , wherein the lateral side of the L-shaped structure is connected to the power-taking plug body through a shaft. 4 . 4. The power-taking plug according to any one of claims 1-2, wherein an electrode contact is provided on the power-taking electrode tip, and the electrode contact cooperates with an electrode in the power rail to realize on. 5. The power plug according to claim 4, wherein the electrode contacts comprise: a first contact, which is composed of a conductor and is arranged on the first side of the power-taking plug body; The second contact and the third contact, the second contact and the third contact are composed of conductors, and the second contact and the third contact are arranged in parallel at a fixed distance on the first part of the power taking plug body side. 6. A power supply rail, characterized in that the power supply rail comprises at least one section of the power supply rail, and the outer surface of the power supply rail is provided with a locking groove, and the locking groove is used for the power extraction electrode head of the power extraction plug. After being inserted into the power rail, the power plug is fixed on the power rail in cooperation with the locking ribs of the power plug. 7. The power rail according to claim 6, wherein an electrode is provided inside the power taking rail, and the electrode comprises: The first electrode, which is composed of conductors, is arranged on the first side inside the power rail, the first side of the first electrode and the first side on the power-taking electrode head of the power-taking plug Correspondingly, the first electrode is electrically connected to the first contact on the power-taking electrode tip; The second electrode and the third electrode, which are composed of conductors, are arranged on the second side inside the power rail, and the second side of the second electrode and the third electrode is connected to the The second side on the power-taking electrode tip of the electrical plug corresponds to the second side, and the second electrode and the third electrode are electrically connected with the second contact and the third contact on the power-taking electrode tip. 8 . The power rail according to claim 7 , wherein the power rail comprises at least two sections of the power taking rail, and each section of the power taking rail is connected by a rail connector, and the rail connector comprises: at least two 8 . A guide rail connector body and at least two connection plugs with one port; one side of the port is fixedly arranged along one edge of one end of the guide rail connector body, and the connecting plug is arranged in the middle of one end of the guide rail connector body; The overall cross-section of the port is an L-shaped locking component. After the connecting plug is inserted into the inside of the power supply rail, the inner surface of the L-shaped structure is tightly fastened to the outer surface of the power supply rail; the L-shaped structure The inner surface of the power supply rail is provided with a locking rib, and the locking rib is clipped into the outer surface of the power rail to be fixed; The connection plug is provided with electrode contacts, and the electrode contacts cooperate with the electrodes in the power-taking guide rail to realize electrical connection. 9 . The power rail according to claim 8 , wherein the main body material of the rail connector adopts one of a metal material or a non-metal material. 10 . 10 . The power rail according to claim 6 , wherein the power rail further comprises a protective cover plate, and two sides of the protective cover are provided with fixed protrusions, which cooperate with the power rail protective groove for protection. 11 . 11. A power connection structure, characterized in that it comprises the power taking plug according to claims 1-5 and the power rail according to claims 6-10.

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