1-PIN double-connection wiring terminal

Abstract

The utility model relates to the technical field of wiring terminals, in particular to a 1-PIN double-connection wiring terminal, which comprises an insulating shell, an accommodating cavity arranged in the insulating shell, a metal connecting piece arranged in the accommodating cavity, a trumpet-shaped limiting channel arranged in the metal connecting piece, and a connecting elastic piece movably arranged in the limiting channel. A connecting hole is formed in the outer wall of the insulating shell, the connecting hole is formed in the end, with a large opening, of the limiting channel, a positioning protruding block is arranged on the side wall of the containing cavity, a through hole is formed in the side wall of the metal connecting piece, and the positioning protruding block penetrates through the through hole. In the process of plugging with an external device, the connecting elastic sheet is subjected to the action of a force along the axial direction of the connecting hole, at the moment, the limiting channel is trumpet-shaped, and the opening at the other end of the limiting channel is narrowed, so that the connecting elastic sheet cannot be separated from the other end of the limiting channel, and meanwhile, the position of the metal connecting piece can also be limited in the accommodating cavity; and the device is high in overall reliability and is not easy to fail.

Description

Technical Field

[0001] The utility model relates to the technical field of wiring terminals, in particular to a 1PIN double-connection wiring terminal. Background Art

[0002] A wiring terminal is a component widely used in electronic devices, mainly used to achieve a reliable electrical connection between an external terminal and a printed circuit board (PCB).

[0003] Patent document CN202320126605.X discloses a 1Pin double-connection screwless wiring terminal, which meets the requirement of simultaneously connecting 2 conductive wires at one PIN position. However, during the process of plugging the wiring terminal with an external device, the internal first metal connecting piece, the first elastic piece, the intermediate metal connecting piece and the intermediate elastic piece will be affected by external forces, and are prone to displacement. The first elastic piece and the intermediate elastic piece are prone to come off, and the first metal connecting piece and the intermediate metal connecting piece are prone to loosen, resulting in low overall reliability and easy failure. Summary of the Utility Model

[0004] The utility model aims to at least solve the technical problems existing in the prior art. For this purpose, the utility model provides a 1PIN double-connection wiring terminal, in which the connecting elastic piece has good stability and is not easy to come out of the metal connecting piece. The metal connecting piece can be stably limited in the accommodating cavity and is not easy to loosen. The overall reliability is high and it is not easy to fail.

[0005] A 1PIN double-connection wiring terminal according to some embodiments of the utility model includes an insulating housing. An accommodating cavity is arranged inside the insulating housing. A metal connecting piece is arranged inside the accommodating cavity. A horn-shaped limiting channel is arranged inside the metal connecting piece. A connecting elastic piece is movably arranged inside the limiting channel. A connecting hole is formed on the outer wall of the insulating housing, and the connecting hole is formed at the end with a larger opening of the limiting channel. A pressing block is arranged at the top of the insulating housing. The pressing block penetrates through the top of the metal connecting piece and abuts against the top of the connecting elastic piece. A positioning convex block is arranged on the side wall of the accommodating cavity. A through hole is formed on the side wall of the metal connecting piece. The positioning convex block penetrates through the through hole.

[0006] A 1PIN double-connection wiring terminal according to some embodiments of the utility model has at least the following beneficial effects:

[0007] In the present utility model, a horn-shaped limiting channel is provided inside the metal connector. The limiting elastic piece can be inserted from the end with a larger opening of the limiting channel. A connecting elastic piece is movably arranged inside the limiting channel. A connecting hole is formed on the outer wall of the insulating housing, and the connecting hole is formed at the end with a larger opening of the limiting channel. During the process of plugging with an external device, the connecting elastic piece will be acted upon by a force along the axial direction of the connecting hole. At this time, since the limiting channel is horn-shaped and the opening at the other end of the limiting channel is narrowed, the connecting elastic piece cannot escape from the other end of the limiting channel. At the same time, positioning protrusions are arranged on the side wall of the accommodating cavity, through holes are formed on the side wall of the metal connector, and the positioning protrusions pass through the through holes, so that the position of the metal connector can also be limited inside the accommodating cavity and is not prone to shaking. The overall reliability of the present utility model is high and it is not prone to failure.

[0008] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, the positioning protrusions are arranged on both inner side walls of the accommodating cavity, through holes are formed on both side walls of the metal connector, and the positioning protrusions and the through holes are arranged in one-to-one correspondence.

[0009] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, the insulating housing includes an insulating main body and a cover plate, and the insulating main body and the cover plate are detachably connected.

[0010] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, the two positioning protrusions are respectively arranged on the insulating main body and the cover plate.

[0011] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, a plurality of positioning columns are arranged on the insulating main body, a plurality of positioning holes are arranged on the cover plate, and the positioning columns and the positioning holes are arranged in correspondence.

[0012] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, the positioning protrusion extends along the axial direction of the connecting hole, and the positioning protrusion is strip-shaped.

[0013] For a 1PIN double-connection wiring terminal according to some embodiments of the present utility model, a limiting block protrudes from the bottom of the connecting elastic piece, a limiting groove is formed at the top of the limiting channel, and the limiting block and the limiting groove are arranged in correspondence.

[0014] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0016] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model.

[0017] Figure 2 This is an exploded view of the structure of an embodiment of the present utility model.

[0018] Figure 3 This is a schematic structural diagram of the insulating body of an embodiment of the present utility model.

[0019] Figure 4 This is a schematic structural diagram of the cover plate of an embodiment of the present utility model.

[0020] Reference numerals: 1, insulating housing; 2, accommodating cavity; 3, metal connecting member; 4, limiting channel; 5, connecting elastic piece; 6, connecting hole; 7, pressing block; 8, positioning convex block; 9, through hole; 10, insulating body; 11, cover plate; 12, positioning post; 13, positioning hole; 14, limiting block; 15, limiting groove. Detailed implementation manners

[0021] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, left, right, front, back, etc. is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0023] In the description of the present utility model, if the terms first and second are used for the purpose of distinguishing technical features, they should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence of the indicated technical features.

[0024] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installation, connection, etc. should be understood in a broad sense. Those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0025] As Figures 1-4 shown, the embodiment of the present utility model provides a 1PIN double-connection wiring terminal.

[0026] A 1PIN double-connection terminal, comprising an insulating housing 1, a receiving cavity 2 is arranged inside the insulating housing 1, a metal connector 3 is arranged inside the receiving cavity 2, a horn-shaped limiting channel 4 is arranged inside the metal connector 3, a connecting elastic sheet 5 is movably arranged inside the limiting channel 4, a connecting hole 6 is opened on the outer wall of the insulating housing 1, the connecting hole 6 is opened at one end with a larger opening of the limiting channel 4, a pressing block 7 is arranged at the top of the insulating housing 1, the pressing block 7 penetrates through the top of the metal connector 3 and abuts against the top of the connecting elastic sheet 5, a positioning convex block 8 is arranged on the side wall of the receiving cavity 2, a through hole 9 is opened on the side wall of the metal connector 3, and the positioning convex block 8 penetrates through the through hole 9.

[0027] In the utility model, a horn-shaped limiting channel 4 is arranged inside the metal connector 3, the limiting elastic sheet can be inserted from the end with a larger opening of the limiting channel 4, a connecting elastic sheet 5 is movably arranged inside the limiting channel 4, a connecting hole 6 is opened on the outer wall of the insulating housing 1, the connecting hole 6 is opened at the end with a larger opening of the limiting channel 4, during the insertion process with an external device, the connecting elastic sheet 5 will be subjected to a force along the axial direction of the connecting hole 6. At this time, since the limiting channel 4 is horn-shaped and the opening at the other end of the limiting channel 4 is narrowed, the connecting elastic sheet 5 cannot escape from the other end of the limiting channel 4. At the same time, a positioning convex block 8 is arranged on the side wall of the receiving cavity 2, a through hole 9 is opened on the side wall of the metal connector 3, and the positioning convex block 8 penetrates through the through hole 9, so that the position of the metal connector 3 can also be limited inside the receiving cavity 2 and is not prone to shaking. The overall reliability of the utility model is high and it is not easy to fail.

[0028] For the 1PIN double-connection terminal described in this embodiment, the positioning convex blocks 8 are arranged on both inner side walls of the receiving cavity 2, through holes 9 are opened on both side walls of the metal connector 3, and the positioning convex blocks 8 and the through holes 9 are arranged in one-to-one correspondence. Specifically, setting two groups of positioning convex blocks 8 and through holes 9 ensures the stability of the position of the metal connector 3 and it is not prone to shaking.

[0029] For the 1PIN double-connection terminal described in this embodiment, the insulating housing 1 includes an insulating main body 10 and a cover plate 11, and the insulating main body 10 and the cover plate 11 are detachably connected. Specifically, the above setting facilitates assembly and maintenance and replacement of internal components.

[0030] For the 1PIN double-connection terminal described in this embodiment, the two positioning convex blocks 8 are respectively arranged on the insulating main body 10 and the cover plate 11. Specifically, the above structural setting is reasonable.

[0031] A 1PIN double-connection terminal according to this embodiment, wherein a plurality of positioning posts 12 are provided on the insulating body 10, and a plurality of positioning holes 13 are provided on the cover plate 11, and the positioning posts 12 and the positioning holes 13 are arranged correspondingly. Specifically, the above arrangement realizes the detachable connection between the cover plate 11 and the insulating body 10, with a simple structure and good stability.

[0032] A 1PIN double-connection terminal according to this embodiment, wherein the positioning bump 8 extends along the axis direction of the connection hole 6, and the positioning bump 8 is in a strip shape. Specifically, the above arrangement improves the strength of the positioning bump 8 and enhances the reliability of the overall structure.

[0033] A 1PIN double-connection terminal according to this embodiment, wherein a limiting block 14 protrudes from the bottom of the connection elastic piece 5, and a limiting groove 15 is formed at the top of the limiting channel 4, and the limiting block 14 and the limiting groove 15 are arranged correspondingly. Specifically, the above arrangement further limits the position of the connection elastic piece 5 in the limiting channel 4, with good stability.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A 1PIN double-connection terminal block, characterized in that: It includes an insulating shell, a accommodating cavity is provided in the insulating shell, a metal connecting piece is provided in the accommodating cavity, a trumpet-shaped limiting channel is provided in the metal connecting piece, a connecting spring is movably provided in the limiting channel, a connecting hole is provided on the outer wall of the insulating shell, the connecting hole is provided at the end with a larger opening of the limiting channel, a pressing block is provided on the top of the insulating shell, the pressing block is penetrated through the top of the metal connecting piece and abuts against the top of the connecting spring piece, a positioning protrusion is provided on the side wall of the accommodating cavity, a through hole is provided on the side wall of the metal connecting piece, and the positioning protrusion is penetrated through the through hole.

2. A 1PIN double-connection terminal according to claim 1, characterized in that: The inner walls on both sides of the accommodating cavity are provided with the positioning protrusions, the side walls on both sides of the metal connecting piece are provided with through holes, and the positioning protrusions are arranged in a one-to-one correspondence with the through holes.

3. A 1PIN double-connection terminal according to claim 2, characterized in that: The insulating shell includes an insulating body and a cover plate, and the insulating body and the cover plate are detachably connected.

4. A 1PIN double-connection terminal according to claim 3, characterized in that: Two positioning protrusions are respectively arranged on the insulating body and the cover plate.

5. The 1PIN double-connection terminal block according to claim 3, characterized in that: The insulating body is provided with a plurality of positioning posts, the cover plate is provided with a plurality of positioning holes, and the positioning posts are arranged correspondingly to the positioning holes.

6. A 1PIN double-connection terminal according to claim 1, characterized in that: The positioning protrusion extends along the axial direction of the connecting hole, and the positioning protrusion is in the shape of an elongated strip.

7. The 1PIN double-connection terminal according to claim 1, characterized in that: A limiting block is protruding from the bottom of the connecting spring sheet, a limiting groove is provided on the top of the limiting channel, and the limiting block is arranged corresponding to the limiting groove.

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