Novel three-way joint connector

Abstract

The utility model discloses a novel three-way joint connector, which comprises a three-way connector used for connecting an inverter and bus connectors arranged on two sides of the three-way connector, and the three-way connector comprises a middle bayonet socket connected with the inverter and a three-core bayonet socket connected with the bus connectors. The three-core bayonet sockets are symmetrically arranged on the left side and the right side of the middle bayonet socket, a polarity conversion PCB is installed on the side, away from the middle bayonet socket, of the three-way connector, and the bus connector comprises a connecting plug connected with the three-core bayonet sockets and a three-core wire arranged on the inner side of the connecting plug. And the end part of the three-core wire is mounted on one side, far away from the three-core bayonet socket, of the connecting plug through a locking head thread. According to the three-way connector, the PCBA is arranged in the three-way connector to realize L and N polarity conversion, the bus connector does not need special modification and a fool-proof structure, the bus connector can be directly used in a plug-in manner, the assembly is simple, materials and assembly procedures are reduced, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, especially a novel tee joint connector. BACKGROUND

[0002] The existing micro inverter adopts bus connection, and the bus connection needs to use bus connector male, bus connector female, branch connector and tee joint and other related components, the connection mode only needs to insert the bus and branch into the corresponding jack of the tee joint, and the connection mode is simple and fast. SUMMARY

[0003] According to the above-mentioned technical problems, a novel tee joint connector is provided.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a novel tee joint connector, which comprises a tee connector for connecting the inverter and bus connectors installed on both sides of the tee connector, the tee connector comprises a middle plug-in seat connected with the inverter and a three-core plug-in seat connected with the bus connector, the three-core plug-in seat is symmetrically arranged on the left and right sides of the middle plug-in seat, and a polarity conversion PCB board is installed on the side of the tee connector away from the middle plug-in seat, the bus connector comprises a plug-in head connected with the three-core plug-in seat and three-core wires arranged on the inner side of the plug-in head, and the end of the three-core wires is screw-mounted on the side of the plug-in head away from the three-core plug-in seat through a locking head.

[0005] Further, the middle plug-in seat is symmetrically provided with a clamping male head on the front and rear sides, a recess is formed in the middle plug-in seat on the inner side of the clamping male head, and a sealing ring is installed in the recess.

[0006] Further, the three-core plug-in seat is symmetrically provided with a clamping female head on the upper and lower sides, a recess is formed in the inner wall of the corresponding tee connector of the clamping female head, and a sealing ring is installed in the recess.

[0007] Further, the tee connector is provided with a ground plug-in pin located at the center and a live plug-in pin and a zero plug-in pin located on the left and right sides of the ground plug-in pin in the direction of the three-core plug-in seat, the end of the ground plug-in pin, the live plug-in pin and the zero plug-in pin is connected with the three-core plug-in seat, the middle section of the live plug-in pin and the zero plug-in pin is connected with the polarity conversion PCB board, and the polarity conversion PCB board is connected with the middle plug-in seat above.

[0008] Further, the installation height of the ground plug-in pin is higher than that of the live plug-in pin and the zero plug-in pin.

[0009] Further, the plug-in head is provided with a clamping male head on the upper and lower sides of the plug-in head, which is matched with a clamping female head of the three-core plug-in seat, and a sealing ring corresponding to the inner wall groove of the clamping female head is arranged on the inner side of the clamping male head.

[0010] Further, the clamping male head and the locking head are provided with a reinforcing rib, and the bus connector is provided with a recessed grabbing part on the front and rear surfaces.

[0011] Compared with the prior art, the utility model discloses a novel three-way connector, and the three-way connector is provided with a PCBA for realizing L, N polarity conversion, and the bus connector does not need to be specially changed and provided with a fool-proof structure, and can be directly plugged and used, so that the utility model has the advantages of simple assembly, reduced material and assembly process and reduced production cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model.

[0014] Figure 2 It is the three-way connector schematic diagram of the utility model.

[0015] Figure 3 It is the three-way connector bottom schematic diagram of the utility model.

[0016] Figure 4 It is the bus connector schematic diagram of the utility model.

[0017] In the drawing: 1 is three-way connector;11 is intermediate plug-in seat;12 is three-core plug-in seat;13 is ground wire pin;14 is fire wire pin;15 is zero wire pin;2 is bus connector;21 is plug-in head;22 is reinforcing rib;23 is grabbing part;3 is locking head;4 is three-core wire;5 is clamping male head;6 is clamping female head;7 is sealing ring;8 is polarity conversion PCB board. PREFERRED EMBODIMENT

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] One embodiment of the utility model, such as Figure 1 And Figure 2As shown, the three-way connector 1 includes an intermediate socket 11 connected with the inverter and a three-core socket 12 connected with the bus connector 2, the three-core socket 12 is symmetrically arranged on the left and right sides of the intermediate socket 11, and a polarity conversion PCB board 8 is arranged on the side of the three-way connector 1 away from the intermediate socket 11, the bus connector 2 includes a plug 21 connected with the three-core socket 12 and a three-core wire 4 arranged inside the plug 21, the end of the three-core wire 4 is screwed and arranged on the side of the plug 21 away from the three-core socket 12 through a locking head 3, the assembly structure is quickly buckled and assembled with the SR internal buckle through the screw thread, the bus connectors on both sides of the three-way connector are the same type of connector, the structure does not change, and only needs to be rotated by 180° to the opposite side to be used, the plug-in relationship of the intermediate socket and the three-core socket is opposite, the connection relationship between the inverter and the bus connector is more intuitive, the connection error is avoided, the built-in PCBA of the three-way connector realizes the L, N polarity conversion, the bus connector does not need to be specially modified and prevented, and can be directly plugged in, the assembly is simple, the materials and assembly processes are reduced, and the production cost is reduced.

[0020] The intermediate socket 11 is symmetrically provided with a clamping male head 5 on the front and rear sides, the intermediate socket 11 is provided with a groove on the inner side of the clamping male head 5, and a sealing ring 7 is arranged in the groove, the clamping female head of the inverter position is clamped, and the sealing ring guarantees the sealing performance.

[0021] The three-core socket 12 is symmetrically provided with a clamping female head 6 on the upper and lower sides, a groove is formed in the inner wall of the three-way connector 1 corresponding to the clamping female head 6, the plug 21 is provided with a clamping male head 5 matched with the clamping female head 6 of the three-core socket 12 on the upper and lower sides, the plug 21 is provided with a sealing ring 7 corresponding to the groove in the inner wall of the clamping female head 6 on the inner side of the clamping male head 5, and the sealing performance between the three-way connector and the bus connector is guaranteed.

[0022] The three-way connector 1 is provided with a center ground pin 13 in the direction of the three-core socket 12 and a live pin 14 and a zero pin 15 arranged on the left and right sides of the ground pin 13, the end of the ground pin 13, the live pin 14 and the zero pin 15 is connected with the three-core socket 12, the middle section of the live pin 14 and the zero pin 15 is connected with the polarity conversion PCB board 8, and the polarity conversion PCB board 8 is connected with the intermediate socket 11 above, without special modification and prevention structure, and can be directly plugged in.

[0023] The installation height of the ground pin 13 is higher than that of the live pin 14 and the zero pin 15.

[0024] The clamping male head 5 on the surface of the plug 21 and the locking head 3 are provided with a reinforcing rib 22, which improves the structural strength, and the bus connector 2 is provided with a recessed grabbing part 23 on the front and rear surfaces, which is convenient for workers to grab.

[0025] Need to explain a few points are: first, in the description of the present application, need to explain is, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad understanding, can be mechanical connection or electrical connection, can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating relative position relationship, when the absolute position of the described object changes, the relative position relationship may change; secondly, in this paper, such as first and second relationship terms such as only to distinguish one entity from another entity, and does not necessarily require or imply that these entities exist any such actual relationship or order.

[0026] The above examples are only illustrative of the present application, and do not constitute a limitation on the scope of protection of the present application, any design identical or similar to the present application belongs to the protection scope of the present application.

Claims

1. A new type of tee connector comprising a tee connector (1) for connecting an inverter and bus connectors (2) mounted on both sides of the tee connector (1), characterized in that, The three-way connector (1) comprises a middle connector (11) connected with an inverter and a three-core connector (12) connected with a bus connector (2), the three-core connector (12) is symmetrically arranged on the left and right sides of the middle connector (11), a polarity conversion PCB (8) is arranged on the side of the three-way connector (1) away from the middle connector (11), the bus connector (2) comprises a connector head (21) connected with the three-core connector (12) and a three-core wire (4) arranged on the inner side of the connector head (21), the end of the three-core wire (4) is threadedly connected to the side of the connector head (21) away from the three-core connector (12) through a locking head (3).

2. A new tee connector according to claim 1, characterized in that The middle connector (11) is symmetrically provided with a clamping male head (5) on the front and back sides, the middle connector (11) is provided with a groove on the inner side of the clamping male head (5), and a sealing ring (7) is arranged in the groove.

3. A new tee connector according to claim 1, characterized in that The three-core connector (12) is symmetrically provided with a clamping female head (6) on the upper and lower sides, and a groove is formed in the inner wall of the three-way connector (1) corresponding to the clamping female head (6).

4. A new tee connector according to claim 1, characterized in that The three-way connector (1) is internally provided with a ground pin (13) located at the center in the direction of the three-core connector (12), and a live pin (14) and a zero pin (15) located on the left and right sides of the ground pin (13), respectively, the end of the ground pin (13), the live pin (14) and the zero pin (15) is connected with the three-core connector (12), the middle section of the live pin (14) and the zero pin (15) is connected with the polarity conversion PCB (8), and the polarity conversion PCB (8) is connected with the middle connector (11) above.

5. A novel tee connector according to claim 4, characterized in that The installation height of the ground pin (13) is higher than that of the live pin (14) and the zero pin (15).

6. A new tee connector according to claim 1, characterized in that The connector head (21) is provided with a clamping male head (5) matched with the clamping female head (6) of the three-core connector (12) on the upper and lower sides, and a sealing ring (7) corresponding to the groove in the inner wall of the clamping female head (6) is arranged on the inner side of the connector head (21).

7. A novel tee connector according to claim 6, characterized in that The clamping male head (5) on the surface of the connector head (21) is provided with a reinforcing rib (22) between the locking head (3), and the surfaces on the front and back sides of the bus connector (2) are provided with recessed gripping portions (23).

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