Branch connecting line of multi-core power supply

Abstract

The utility model discloses a branch connecting line of a multi-core power supply. The branch connecting line comprises a main power line, a male end joint, a female end joint, a branch power line and a contact protection member. The male end connector is connected to the first end of the main power line. The female end connector is connected to the second end of the main power line, the male end connector can be electrically connected with the female end connector in a plug-in mode, and the male end connector and the female end connector are buckled after being plugged in a plug-in mode. The branch power lines are connected with fulcrums of the main power lines; the contact protection member is fixed at the contact of the main power line and the branch power line so as to isolate and protect the connection point between the main power line and the branch power line. The plurality of branch connecting lines can be connected in sequence, and power supply of a plurality of power supplies is satisfied. The plug does not need injection molding with the box body, so that the manufacturing cost of a mold can be reduced. The branch connecting line is designed to be of a T-shaped structure, wiring is simple, and layout is attractive. The branch connecting line is high in installation efficiency.

Description

Technical Field

[0001] The utility model relates to a connecting wire, in particular to a branch connecting wire of a multi-core power supply. Background Art

[0002] The traditional LED display power supply needs to be connected by installing an aviation plug through a hole at the back of the display. However, the current LED display is developing towards ultra-thin and integrated, which requires the connector harness to be integrated and flat. In response to market demand, it is necessary to develop a small, flat connector and harness assembly to meet market needs.

[0003] In the prior art, the power line wiring structure of the LED display screen is to prefabricate a plug in the unit box, open a wire groove between each unit box for the power line to pass through, and insert each power line into the plug to make each unit box conduct the circuit.

[0004] The power line layout structure of the above traditional LED display screen is not neat and beautiful, and the unit box must be injection molded into one piece with the plug when preparing it. The mold manufacturing cost is high and the production process and installation steps are cumbersome.

[0005] Therefore, it is necessary to improve the power line structure of the existing LED display screen. Utility Model Content

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a branch connecting line of a multi-core power supply. The purposes of designing the branch connecting line are: first, to reduce the cost of mold preparation, and second, to ensure beautiful wiring and high installation efficiency.

[0007] In order to solve the above technical problems, the utility model is implemented by the following scheme: the utility model provides a branch connection line of a multi-core power supply, the number of which is set corresponding to the number of power supplies, and the branch connection line includes:

[0008] Main power cord;

[0009] A male connector connected to the first end of the main power line;

[0010] The female end connector is connected to the second end of the main power line, and the male end connector can be plugged into the female end connector to achieve electrical connection. The male end connector and the female end connector are plugged into each other and then buckled.

[0011] A branch power line connected to a fulcrum of the main power line;

[0012] The contact point protection component is fixed at the contact point of the main power line and the branch power line to isolate and protect the connection point between the main power line and the branch power line.

[0013] Further, the main power line includes a main L line, a main N line and a main ground line arranged in parallel, and the main ground line is arranged in the center;

[0014] The branch power lines include a branch L line electrically connected to the main L line, a branch N line connected to the main N line, and a branch ground line connected to the main ground line.

[0015] Furthermore, the male end connector includes a male terminal, a male end shell for positioning the male terminal, and a first rubber-coated outer mold coated at a connection point between the male terminal and the main power line by an injection molding process, wherein the first rubber-coated outer mold is fixedly connected to an end of the male end shell after molding;

[0016] The female end connector includes a female terminal, a female end shell for positioning the female terminal, and a second rubber-coated outer mold coated at the connection point between the female terminal and the main power line through an injection molding process, and the second rubber-coated outer mold is fixedly connected to the end of the female end shell.

[0017] Furthermore, the male end shell has a socket and a buckle hole provided on one side of the socket;

[0018] The female end shell has a plug end that can enter the socket, and a buckle strip that can be buckled into the buckle hole is arranged adjacent to the plug end.

[0019] Furthermore, the male terminal includes an L line male terminal connected to the first end of the main L line, an N line male terminal connected to the first end of the main N line, and a ground line male terminal connected to the first end of the main ground line;

[0020] The tails of the L-line male terminal, the N-line male terminal and the ground-line male terminal are all provided with a plurality of first externally protruding barbs.

[0021] Furthermore, the female terminal includes an L line female terminal connected to the second end of the main L line, an N line female terminal connected to the second end of the main N line, and a ground line female terminal connected to the second end of the main ground line;

[0022] The tails of the L-line female terminal, the N-line female terminal and the ground-line female terminal are all provided with a plurality of second externally protruding barbs.

[0023] Furthermore, the contact protection component is provided with an inner mold and an outer mold, the inner mold is provided with an isolation hole, and the isolation hole is filled after the outer mold is injected.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] 1. The utility model can connect multiple branch connection lines in sequence to meet the power supply of multiple power sources.

[0026] 2. The plug of the utility model does not need to be injection molded with the box body, which can reduce the cost of mold preparation.

[0027] 3. The branch connection line of the utility model is designed in a T-shaped structure, with simple wiring and beautiful layout.

[0028] 4. The branch connection line of the utility model has high installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a structural diagram of the utility model in which three power supply groups are configured with three groups of branch connections.

[0030] Figure 2 This is a structural diagram of the branch connecting line of the utility model.

[0031] Figure 3 This is a structural diagram of the connection between the inner mold and the main power line and the branch power line of the utility model.

[0032] Figure 4 It is a structural diagram of the male end connector of the utility model.

[0033] Figure 5 This is a structural diagram of the male end connector of the utility model after the male end shell is removed.

[0034] Figure 6 This is a connection structure diagram of the male terminal and the main power line of the utility model.

[0035] Figure 7 This is a structural diagram of the female end connector of the present utility model.

[0036] Figure 8 This is a structural diagram of the connection between the female terminal and the main power line of the utility model.

[0037] Markings in the accompanying drawings: LED display screen housing 1, power supply 2, male connector 3, contact protection component 4, main power line 5, wire hole 6, female connector 7, branch power line 8, male terminal 31, first rubber-coated outer mold 32, first screw 33, side ear 34, male shell 35, inner mold 41, second rubber-coated outer mold 71, buckle strip 72, female terminal 74, first external protruding barb 310, L line male terminal 311, ground line male terminal 312, N line male terminal 313, buckle hole 351, isolation hole 411, second external protruding barb 741. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the utility model. In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0039] Embodiment 1: The specific structure of the utility model is as follows:

[0040] Please refer to the attached Figure 1-8 The utility model provides a branch connection line of a multi-core power supply, and the number of the branch connection lines corresponds to the number of power supplies 2. Figure 1 As shown. There are 3 groups of branch connection lines, 3 groups of power sources 2, and the 3 groups of power sources 2 are fixed to the three LED display housings 1 one by one. The side panels of the three LED display housings 1 are provided with coaxial wire holes 6, and the wire holes 6 are used to pass the main power lines 5. The LED display housing 1 is a rectangular shell.

[0041] like Figure 2 As shown, the branch connection line includes a main power line 5, a male connector 3, a female connector 7, a branch power line 8, and a contact protection member 4. The branch power line 8 is connected to the fulcrum of the main power line 5; the contact protection member 4 is fixed at the connection point between the main power line 5 and the branch power line 8 to isolate and protect the connection point between the main power line 5 and the branch power line 8.

[0042] The main power line 5 includes a main L line, a main N line and a main ground line arranged in parallel. The main ground line is arranged in the middle and is relatively long. It has the function of grounding first to ensure the safety of electricity use. The branch power line 8 includes a branch L line electrically connected to the main L line, a branch N line connected to the main N line and a branch ground line connected to the main ground line. Figure 1 As shown, the outer ends of the three groups of branch power lines 8 are electrically connected to the power supply 2 through round terminals and screws.

[0043] The male connector 3 is connected to the first end of the main power line 5. The female connector 7 is connected to the second end of the main power line 5. The male connector 3 can be plugged with the female connector 7 to achieve electrical connection. The male connector 3 and the female connector 7 are plugged and buckled. The male connector 3 includes a male terminal 31, a male terminal shell 35 for positioning the male terminal 31, and a first rubber-coated outer mold 32 coated at the connection point between the male terminal 31 and the main power line 5 by an injection molding process. The first rubber-coated outer mold 32 is fixedly connected to the end of the male terminal shell 35 after molding. The female connector 7 includes a female terminal 74, a female terminal shell for positioning the female terminal, and a second rubber-coated outer mold 71 coated at the connection point between the female terminal and the main power line 5 by an injection molding process. The second rubber-coated outer mold 71 is fixedly connected to the end of the female terminal shell.

[0044] During the actual installation of the male connector 3 and the female connector 7, any one of the male connector 3 and the female connector 7 can be fixed to the LED display housing 1, or the male connector 3 and the female connector 7 can be fixed to the LED display housing 1 after being plugged in and connected.

[0045] That is, one of the first rubber-wrapped outer mold 32 or the second rubber-wrapped outer mold 71 is fixed to the LED display housing 1 , or both the first rubber-wrapped outer mold 32 and the second rubber-wrapped outer mold 71 are fixed to the LED display housing 1 .

[0046] like Figure 5 As shown, the first rubber-encapsulated outer mold 32 is provided with side ears 34 on both sides, and the side ears 34 are fixed to the LED display housing 1 by first screws. Figure 7 As shown, side ears are provided on both sides of the second rubber-coated outer mold 71, and the side ears are fixed to the LED display housing 1 by second screws.

[0047] Embodiment 2:

[0048] The following is the buckle structure of the male shell 35 and the female shell:

[0049] The male shell 35 has a socket and a buckle hole 351 arranged on one side of the socket, and the female shell has a plug end that can enter the socket, and a buckle strip 72 that can buckle into the buckle hole 351 is arranged on the adjacent side of the plug end. When the male shell 35 and the female shell are plugged together, the buckle hole 351 buckles into the buckle strip 72 to achieve the connection and fixation of the male connector 3 and the female connector 7. Figure 1 As shown, three groups of branch connection lines are connected and fixed in sequence by plug-in buckles, and the branch connection lines of the utility model are stably connected.

[0050] Embodiment 3:

[0051] like Figure 6As shown, the male terminal 31 includes an L line male terminal 311 connected to the first end of the main L line, an N line male terminal 313 connected to the first end of the main N line, and a ground line male terminal 312 connected to the first end of the main ground line. The male terminal 31 is a rod structure, and its outer end head is a round head structure.

[0052] The tails of the L-line male terminal 311, the N-line male terminal 313, and the ground male terminal 312 are all provided with a plurality of first convex barbs 310. The first convex barbs 310 are used to limit the male terminal 31 after it is positioned in the male terminal shell 35, and when the first overmolding outer mold 32 is injected, the first convex barbs 310 can be sealed to increase the stability of the male terminal 312.

[0053] like Figure 8 As shown, the female terminal 74 includes an L-line female terminal connected to the second end of the main L line, an N-line female terminal connected to the second end of the main N line, and a ground line female terminal connected to the second end of the main ground line. The head ring array of the female terminal 74 is provided with a plurality of notches to facilitate the insertion of the male terminal.

[0054] The tails of the L-line female terminal, the N-line female terminal and the ground female terminal are all provided with a plurality of second convex barbs 741. The second convex barbs 741 can be used to limit the female terminal after it is positioned in the female terminal shell, and after the second overmolding outer mold 71 is injected, the second convex barbs 741 can be sealed to increase the stability of the female terminal.

[0055] Embodiment 4:

[0056] The following is a description of the contact protection member 4:

[0057] like Figure 3 As shown, the contact protection member 4 is provided with an inner mold 41 and an outer mold, and the inner mold 41 is provided with an isolation hole 411, which is filled after the outer mold is injected. After filling, the contact is isolated to avoid short circuit.

[0058] In summary, the multiple branch connection lines of the utility model can be connected in sequence to meet the power supply of multiple power sources. The plug of the utility model does not need to be injection molded with the box body, which can reduce the preparation cost of the mold. The branch connection line of the utility model is designed in a T-shaped structure, with simple wiring and beautiful layout. The branch connection line of the utility model has high installation efficiency.

[0059] 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 used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A branch connection line of a multi-core power supply, wherein the number of the branch connection lines corresponds to the number of power supplies (2), characterized in that: The branch connection line comprises: Main power cord (5); A male connector (3) connected to the first end of the main power line (5); A female connector (7) connected to the second end of the main power line (5), the male connector (3) being able to be plugged into the female connector (7) to achieve electrical connection, and the male connector (3) and the female connector (7) being plugged into each other and then buckled; A branch power line (8) connected to a fulcrum of the main power line (5); A contact point protection component (4) is fixed at the contact point between the main power line (5) and the branch power line (8) to isolate and protect the connection point between the main power line (5) and the branch power line (8).

2. A branch connection line of a multi-core power supply according to claim 1, characterized in that: The main power line (5) comprises a main L line, a main N line and a main ground line arranged in parallel, and the main ground line is arranged in the center; The branch power supply line (8) comprises a branch L line electrically connected to the main L line, a branch N line connected to the main N line, and a branch ground line connected to the main ground line.

3. A branch connection line of a multi-core power supply according to claim 2, characterized in that: The male end connector (3) comprises a male terminal (31), a male end shell (35) for positioning the male terminal (31), and a first rubber-coated outer mold (32) coated at a connection point between the male terminal (31) and the main power line (5) by an injection molding process, wherein the first rubber-coated outer mold (32) is fixedly connected to an end of the male end shell (35) after molding; The female end connector (7) comprises a female terminal (74), a female end shell for positioning the female terminal, and a second rubber-coated outer mold (71) coated at a connection point between the female terminal and the main power line (5) by an injection molding process, wherein the second rubber-coated outer mold (71) is fixedly connected to an end of the female end shell.

4. A branch connection line of a multi-core power supply according to claim 3, characterized in that: The male end shell (35) has a socket and a buckle hole (351) arranged on one side of the socket; The female end shell has a plug end capable of entering the socket, and a buckle strip (72) capable of buckling into the buckle hole (351) is provided adjacent to the plug end.

5. A branch connection line of a multi-core power supply according to claim 3, characterized in that: The male terminal (31) comprises an L line male terminal (311) connected to the first end of the main L line, an N line male terminal (313) connected to the first end of the main N line, and a ground line male terminal (312) connected to the first end of the main ground line; The tails of the L-line male terminal (311), the N-line male terminal (313), and the ground line male terminal (312) are all provided with a plurality of first externally protruding barbs (310).

6. A branch connection line of a multi-core power supply according to claim 3, characterized in that: The female terminals (74) include an L-line female terminal connected to the second end of the main L-line, an N-line female terminal connected to the second end of the main N-line, and a ground-line female terminal connected to the second end of the main ground-line; The tails of the L-line female terminal, the N-line female terminal and the ground-line female terminal are all provided with a plurality of second externally protruding barbs (741).

7. A branch connection line of a multi-core power supply according to claim 1, characterized in that: The contact protection component (4) is provided with an inner mold (41) and an outer mold, the inner mold (41) is provided with an isolation hole (411), and the isolation hole is filled after the outer mold is injected.

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