Connecting structure of three-core power supply branch wire harness

Abstract

The utility model discloses a connecting structure of a three-core power supply branch wire harness, which takes a three-core power line as one path, the connecting structure comprises a plurality of paths of three-core power lines, the power output direction of each path of three-core power line is connected with a first joint, the connecting structure also comprises a wire harness box, the wire harness box is provided with at least one corner structure and at least two terminal jacks, a three-core terminal is arranged at the terminal socket, the wiring end of each single terminal of the three-core terminal is of a porous structure, and the single terminals of the porous structure enable the three-core terminal to form a multi-layer three-core wiring structure; wherein the bottommost three-core wiring ends of the terminal sockets are mutually connected through power lines; the wire harness box is provided with at least one wire core inlet and outlet, and any group of externally-connected three-core power lines enter and exit from the wire core inlet and outlet and are respectively connected into the wiring holes in the same layer. According to the utility model, the wiring structure of the power line is improved, and the junction box is newly researched and developed, so that a power supply line and an outgoing line can be arranged neatly, and power supply is stable.

Description

Technical Field

[0001] The utility model relates to a connection structure of a power supply line, in particular to a connection structure of a three-core power supply branch wire harness. Background Art

[0002] When assembling LED displays, some need to be joined vertically or horizontally. Traditional cabinets require external leads for power connections. Since these leads are independent, the wiring becomes cluttered, taking up more space within the cabinet, hindering maintenance, and even leading to misconnections.

[0003] In view of this, it is necessary to improve the existing power cord. Utility Model Content

[0004] In view of the deficiencies in the existing technology, the technical problem to be solved by the present invention is to provide a connection structure for a three-core power branch harness. The purpose of designing this connection structure is to make the power lines in the LED display neatly arranged and improve the efficiency of wiring or maintenance.

[0005] In order to solve the above technical problems, the present invention is implemented through the following solutions: The present invention provides a connection structure of a three-core power branch harness, with a three-core power line as one line, the connection structure including multiple three-core power lines, each of which is connected to a first connector in the electrical output direction, the connection structure also including a harness box, the harness box having at least one corner structure and at least two terminal sockets, the terminal sockets being provided with three-core terminals, the wiring ends of each individual terminal of the three-core terminal being provided with a porous structure, the individual terminals of the porous structure enabling the three-core terminals to form a multi-layered three-core wiring structure;

[0006] Among them, the three-core terminals at the bottom level of each terminal socket are interconnected through power cables;

[0007] The wiring harness box is provided with at least one wire core entrance and exit, and any group of external three-core power cables enter and exit from the wire core entrance and exit, and are respectively connected to wiring holes at the same level.

[0008] Furthermore, the wiring harness box is an L-shaped structural box having a corner chamber, and two ends of the L-shaped structural box are respectively a first terminal socket and a second terminal socket.

[0009] Furthermore, the first terminal socket and the second terminal socket are both male sockets with side buckle grooves.

[0010] Furthermore, the wiring ends of the single terminals are each provided with two layers of wiring holes distributed up and down.

[0011] Furthermore, among the multiple three-core power cables, one end of one of the three-core power cables is led out from the wire core entrance and exit and connected to the power supply, and the three-core power cables of other lines are led out from the wire core entrance and exit and connected to quick-plug connectors respectively.

[0012] Furthermore, the multi-channel three-core power cables in the wiring harness box are wired in layers or in parallel or in a combination of layers and parallel.

[0013] Furthermore, the single terminal is an integrated structure, which includes a wiring terminal and a male terminal pin connected to the wiring terminal, and the end of the wiring terminal is provided with a plurality of wiring holes.

[0014] Furthermore, the plurality of wiring holes are distributed in a straight line up and down.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The utility model improves the wiring structure of the power line and develops a new junction box, which allows the power supply line and the outgoing line to be arranged neatly, and improves the efficiency of wiring and maintenance.

[0017] 2. The utility model cleverly designs a multi-hole structure at the wiring end of the terminal, so that each three-core power cord can be fixed into the corresponding wiring hole at the same level, ensuring the stability of the power supply of the line. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a connection structure diagram of a three-core power branch wiring harness of the utility model.

[0019] Figure 2 for Figure 1 Enlarged view of the three-core power cable connection after removing the cover.

[0020] Figure 3 This is a structural diagram of the wiring harness box and the wiring terminals inside the wiring harness box of the present invention.

[0021] Figure 4 The utility model discloses an installation structure for applying a three-core power branch wiring harness to a display screen.

[0022] Figure 5 This is a structural diagram of a single terminal of the present utility model.

[0023] Markings in the accompanying drawings: first terminal socket 1, wiring harness box 2, first three-core power cord 3, second female end connector 4, second three-core power cord 5, third three-core power cord 6, first female end connector 7, second terminal socket 8, three-core terminal 9, dust cover 10, power supply 11, protective layer 12, bottom shell 21, corner chamber 22, notch 23, single terminal 91, wiring hole 911, wiring terminal 912, protruding diameter 913, male terminal pin 914. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more specific definition of the scope of protection of the present invention. Obviously, the embodiments described in the present invention are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] Example 1, the specific structure of the utility model is as follows:

[0027] Please refer to the attached Figure 1-5 The utility model provides a connection structure of a three-core power branch harness, with a three-core power line as one path. The connection structure includes multiple three-core power lines, and the electrical output direction of each three-core power line is connected to a first connector. The connection structure also includes a harness box 2, wherein the harness box 2 is provided with at least one corner structure and at least two terminal sockets. A three-core terminal 9 is provided at the terminal socket. The wiring end of each single terminal 91 of the three-core terminal 9 is provided with a porous structure. The single terminal with a porous structure enables the three-core terminal 9 to form a multi-level three-core wiring structure; the harness box 2 is provided with at least one wire core entrance and exit, and any group of external three-core power lines enters and exits from the wire core entrance and exit, and are respectively connected to the wiring holes at the same level.

[0028] Among them, the three-core terminals at the bottom level of each terminal socket are interconnected through power cables;

[0029] like Figure 5 As shown, the single terminal 91 is an integrated structure, which includes a terminal 912 and a male terminal pin 914 connected to the terminal 912. The end of the terminal 912 is provided with a plurality of wiring holes 911. The plurality of wiring holes (911) are distributed linearly up and down. The male terminal pin 914 is provided with at least one circle of protrusion 913 at the position of the rod near the terminal 912.

[0030] The terminal socket includes a shell with a socket, and the three-core terminal 9 is arranged in the shell, with the connection end 912 facing inward and the male terminal pin 914 facing outward.

[0031] The multi-channel three-core power lines in the wiring harness box 2 are wired in layers or in parallel or in a combination of layers and parallel.

[0032] Example 2:

[0033] by Figure 1-5 Take the three-core power branch harness as an example to explain.

[0034] The wiring harness box 2 is an L-shaped structural box having a corner chamber 22. The two ends of the L-shaped structural box are respectively a first terminal socket 1 and a second terminal socket 8. The wiring harness box 2 includes a bottom shell 21 and a wire cover plate. The bottom shell 21 has an L-shaped corner chamber. A notch 23 is opened on one side of the L-shaped corner chamber. When the L-shaped corner chamber is covered with the wire cover plate, a wire core entrance and exit is formed between the wire cover plate and the notch 23. The first terminal socket 1 and the second terminal socket 8 are arranged at a 90-degree angle. The first terminal socket 1 and the second terminal socket 8 are both male end sockets with side buckle grooves. The connection terminals 912 of the three-core terminal 9 thereon are provided with two layers. That is, the connection terminals of the single terminal 91 of the three-core terminal 9 are provided with two layers of connection holes distributed above and below. The plug ends of the first terminal socket 1 and the second terminal socket 8 are both located at two adjacent side ends of the display screen box. The plug ends of the first terminal socket 1 and the second terminal socket 8 are both covered with a retractable dust cover 10.

[0035] Among the multiple three-core power cables, one end of one of the three-core power cables is led out from the cable core inlet and outlet and connected to the power supply 11. The three-core power cables of the other lines are led out from the cable core inlet and outlet and connected to the quick-connect connectors respectively.

[0036] Specifically, if Figure 1 、 2 As shown in Figures 4 and 5, the lower connection terminals of the first terminal socket 1 and the second terminal socket 8 are connected to each other through a three-core power line.

[0037] Connecting to the power supply: One end of the first three-core power cord 3 is connected to the upper connection terminal 912 of the first terminal socket 1 , and the other end is connected to the power supply 11 .

[0038] After the second and third three-core power cables 5 and 6 are connected to the corresponding connections outside the wiring harness box 2, they are connected to the upper terminal 912 of the second terminal socket 8. The other end of the second three-core power cable 5 is connected to the second female connector 4, the end of which is fixed to the third side of the display screen housing and covered by a dust cover 10. The outer end of the third three-core power cable 6 is connected to the first female connector 7, the end of which is fixed to the fourth side of the display screen housing and covered by a dust cover.

[0039] A section of the second three-core power cord 5 and the third three-core power cord 6 is covered with a protective layer 12 .

[0040] Finally, after the three-core power cables are connected, the following Figure 4 The wiring structure diagram shown in the figure. Figure 4As can be seen from the figure, the connection structure of the three-core power branch harness of the present invention is neat and beautiful. The harness is not visible after the display box is spliced, making splicing convenient.

[0041] In summary, the present invention improves the wiring structure of power cables and develops a new junction box that allows for neat arrangement of power supply and outgoing lines, improving wiring and maintenance efficiency. The present invention cleverly incorporates a multi-hole structure at the terminal end, allowing each three-core power cable to be secured to its corresponding wiring hole at the same level, ensuring stable power supply.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A connection structure of a three-core power branch harness, with a three-core power line as one path, the connection structure includes multiple three-core power lines, and the electrical output direction of each three-core power line is connected to a first connector, characterized in that: The connection structure also includes a wiring harness box (2), wherein the wiring harness box (2) is provided with at least one corner structure and at least two terminal sockets, wherein the terminal sockets are provided with three-core terminals (9), and the connection ends of each individual terminal of the three-core terminal (9) are all configured as a porous structure, and the individual terminals of the porous structure enable the three-core terminal (9) to form a multi-layered three-core connection structure; Among them, the three-core terminals at the bottom level of each terminal socket are interconnected through power cables; The wiring harness box (2) is provided with at least one wire core entrance and exit, and any group of external three-core power cables enter and exit from the wire core entrance and exit, and are respectively connected to wiring holes at the same level.

2. The connection structure of a three-core power branch harness according to claim 1, characterized in that: The wiring harness box (2) is an L-shaped structural box having a corner chamber (22), and the two ends of the L-shaped structural box are respectively a first terminal socket (1) and a second terminal socket (8).

3. The connection structure of a three-core power branch harness according to claim 2, characterized in that: The first terminal socket (1) and the second terminal socket (8) are both male end sockets with side buckle grooves.

4. The connection structure of a three-core power branch harness according to claim 1, characterized in that: The wiring ends of the single terminals are each provided with two layers of wiring holes distributed up and down.

5. The connection structure of a three-core power branch harness according to claim 1, characterized in that: Among multiple three-core power cables, one end of one of the three-core power cables is led out from the cable core inlet and outlet and connected to the power supply. The three-core power cables of other lines are led out from the cable core inlet and outlet and connected to quick-connect connectors respectively.

6. The connection structure of a three-core power branch harness according to claim 1, characterized in that: The multi-channel three-core power lines in the wiring harness box (2) are wired in layers or in parallel or in a combination of layers and parallel.

7. The connection structure of a three-core power branch harness according to claim 1, characterized in that: The single terminal (91) is an integrated structure, comprising a wiring terminal (912) and a male terminal pin (914) connected to the wiring terminal (912). The end of the wiring terminal (912) is provided with a plurality of wiring holes (911).

8. The connection structure of a three-core power branch harness according to claim 7, characterized in that: The plurality of wiring holes (911) are distributed in a straight line up and down.

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