CN115395253A - Multi-wire-head terminal connection fixing structure - Google Patents

Abstract

A multi-thread terminal connection and fixing structure, relating to a multi-conductor terminal connector, in which a screw hole (12) is provided in the middle of the upper surface of a block (15), and at least two holes are provided on the upper surface of the block outside the screw holes blind holes (13), through holes (14) are respectively provided on the upper surface of the block outside each blind hole; a light hole (6) is provided in the middle of the copper plate (7), and the lower part of the outer edge surface of the copper plate is provided with a The semicircular clamping plate (8) with the number of blind holes (13) matching the block; the wires matching the number of through holes are penetrated from the lower part of the through hole and bent, the bent part of the wire is inserted into the blind hole, and the semicircular clamping plate of the copper plate is inserted into the blind hole. Inside the hole, the semicircular clamping plate of the copper plate clamps the inner surface of the bent part of the wire, and the screw passes through the light hole of the copper plate to connect with the screw hole, and an upper cover (1) is provided on the upper end of the block; the present invention passes the wire The first resistance is formed by bending, and the second resistance is formed by using the semi-circular clamping plate of the copper plate, which greatly improves the connection firmness of the wire.

Description

A multi-wire head terminal connection fixing structure

technical field

The invention relates to a terminal connector for multi-wire stubs, in particular to a connection and fixing structure for multi-wire stub terminals.

Background technique

As is known, when the main wire of a wire is connected to two or more wires, the conventional method is to first remove a section of the outer sheath of the wire, and then use a twisting method to connect them to each other, and then wrap the insulating tape on the outside , this method is easy to loosen; there are also terminals for the connection of two wires. Both ends of the connecting piece are left with threading holes, and the upper part of the plastic part is left with two holes. Use the two holes to insert two screws into the screw holes on the upper part of the copper connecting piece, and use the two screw holes to lock the two wires. For the connection end, this method has poor firmness; there are also many speed connectors, which use clips to realize the connection of two wires, etc. These methods all have the weakness of unreliable connection.

Contents of the invention

In order to overcome the deficiencies in the background technology, the present invention discloses a multi-wire terminal connection and fixing structure. The first resistance is formed by bending the wire, and then the second resistance is formed by using the semicircular clamping plate of the copper plate, so that the connection firmness of the wire is increased. Increased range.

Realize the technical scheme of the present invention as follows: backbone fracture splint

A multi-wire terminal connection and fixing structure, including a block, a copper plate, a screw and an upper cover, a screw hole is provided in the middle of the upper surface of the block, and at least two blind holes are provided on the upper surface of the block outside the screw holes, each A through hole is provided on the upper surface of the block outside the blind hole; a light hole is provided in the middle of the copper plate, and a semicircular clamping plate matching the number of blind holes in the block is provided on the lower part of the outer edge of the copper plate; the number of through holes matching the The wire is penetrated from the lower part of the through hole and bent, the bent part of the wire is inserted into the blind hole, the semicircular clamping plate of the copper plate is inserted into the inside of the blind hole, the semicircular clamping plate of the copper plate clamps the inner side of the bending part of the wire, and the screw passes through the copper plate The light hole is connected with the screw hole, and an upper cover is provided on the upper end of the block.

In the multi-thread terminal connection and fixing structure, the upper surface of the block on the upper outer edge of the screw hole is provided with a shallow concave surface slightly larger than the copper plate.

In the connection and fixing structure of the multi-thread terminal, a deep depression is provided between each blind hole and the corresponding through hole on the outside.

In the connection and fixing structure of the multi-thread terminal, an external thread is provided on the outer surface of the block, and an internal thread is provided on the inner surface of the lower part of the upper cover; the external thread of the block is connected with the internal thread of the upper cover.

In the connection and fixing structure of the multi-wire terminal, a smooth surface with a reduced diameter is provided on the upper part of the internal thread of the upper cover.

In the connection and fixing structure of the multi-wire terminal, a striped surface in the vertical direction is provided on the concave surface outside each semicircular clamping board.

Through the foregoing disclosure, the beneficial effects of the present invention are:

In the multi-wire terminal connection and fixing structure of the present invention, the outer sheath A close to the end of the wire A is removed, the outer sheath B near the end of the wire B is removed, and then the wire A is inserted into the through hole of the block and the wire A Bend the end of the wire, then pull down the outer sheath A to make the wire A pass through the blind hole, then pass the wire B into another through hole of the block, bend the end of the wire B, and then pull down the outer sheath B to make the wire B pass through Another blind hole, at this time, the first resistance is formed at the bending part of wire A and wire B; place the lower surface of the wire on the support, insert the two semicircular clips of the copper plate into the two blind holes, and then use a small hammer Knock the copper plate so that the two semicircular clamps are rigidly stuck on the inner surface of the wire A and the wire B respectively, so that the connection firmness of the wire is greatly improved; use the screw of the screw to connect with the screw hole of the block, and cover it with the upper cover. ; The structure of the present invention is firm, and can effectively prevent the sparking phenomenon caused by the pulling apart of the two wires and the loose connection.

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a three-dimensional assembly structure of the present invention;

Fig. 3 is a schematic view of the top view of the embodiment of two wires in the block of the present invention;

Fig. 4 is a schematic diagram of a top view of an embodiment of three wires in a block according to the present invention;

Fig. 5 is a schematic diagram of the top view of the embodiment of four wires in the block of the present invention;

Fig. 6 is a structural schematic diagram of the use state of the present invention;

In the figure: 1. upper cover; 2. smooth surface; 3. internal thread; 4. screw head; 5. screw; 6. light hole; 7. copper plate; , deep depression; 11, external thread; 12, screw hole; 13, blind hole; 14, through hole; 15, block; 16, striped surface; 17, wire A; 18, wire B; 19, outer sheath A; 20. Outer skin B.

Detailed ways

The present invention is further described below in conjunction with embodiment; The following embodiment is not for the limitation of the present invention, only as the mode of supporting the realization of the present invention, any equivalent structural replacement within the technical framework disclosed in the present invention, all is the present invention. the scope of protection of the invention;

Combined with the multi-wire terminal connection and fixing structure described in accompanying drawings 1 to 5, it includes a block 15, a copper plate 7, screws and an upper cover 1, and a screw hole 12 is provided in the middle of the upper surface of the block 15, and the outer surface of the upper part of the screw hole 12 is The upper surface of the block body 15 of the edge is provided with a shallow concave surface 9 slightly larger than the copper plate 7, and the copper plate 7 is put into the copper plate 7 by the shallow concave surface 9. At least two blind holes 13 are provided on the upper surface of the block body 15 outside the screw hole 12, and the shallow concave surface 9 Connect the upper opening of the blind hole 13, the upper surface of the block 15 outside each blind hole 13 is respectively provided with a through hole 14, and a deep depression 10 is provided between each blind hole 13 and the corresponding through hole 14 on the outside. 10 can make the bending part of the wire fall into the upper surface of the block body 15; a light hole 6 is provided in the middle of the copper plate 7, and a semicircular clamping plate 8 matching the number of blind holes 13 of the block body 15 is provided at the lower part of the outer edge surface of the copper plate 7 , the concave surface on the outside of each semicircle card board 8 is provided with a striped surface 16 in the up and down direction, and the striped protrusions on the striped surface 16 increase the contact surface to the multi-strand electric wires; The lower part of the hole 14 penetrates and bends, the bent part of the wire is inserted into the blind hole 13, the semicircular clamping plate 8 of the copper plate 7 is inserted into the inside of the blind hole 13, the semicircular clamping plate 8 of the copper plate 7 clamps the inner side of the bending part of the wire, and the screw After passing through the light hole 6 of the copper plate 7, it is connected with the screw hole 12. An external thread 11 is provided on the outer edge of the block 15, and an internal thread 3 is provided on the inner surface of the lower part of the upper cover 1. The internal thread of the upper cover 1 3. A smooth surface 2 with reduced diameter is provided on the upper part; the external thread 11 of the block body 15 is connected with the internal thread 3 of the upper cover 1.

To implement the multi-thread terminal connection and fixing structure described in the present invention, in combination with accompanying drawings 1 to 5, the upper cover 1 and the block body 15 can be made of plastic and nylon materials with insulating effects; the copper plate 7 and the semicircular clamping plate 8 are integrated structures, The material is copper; the screws can be made of nylon or metal, and the screws made of metal include copper, stainless steel, aluminum alloy or steel;

In accompanying drawings 1 to 3, the present application provides the implementation row of the connection and fixing structure of two wire ends, according to the arrangement in accompanying drawing 3, a screw hole 12 is set in the middle of the upper surface of the block body 15, and the two sides of the screw hole 12 are spaced apart. Two blind holes 13 are provided, and the layout of through holes 14 are provided on the outside of the two blind holes 13 respectively, that is, through holes 14, blind holes 13, screw holes 12, blind holes 13 and through holes 14 are arranged in a straight line.

In accompanying drawing 4, the present application has provided the implementation column of three lead terminal connection fixing structures, and a screw hole 12 is set in the middle part of the upper surface of the block body 15, and three blind holes 13 are arranged at triangular intervals on the outer edge of the screw hole 12, three. The layout of the through holes 14 is provided on the outside of the blind holes 13 respectively;

In accompanying drawing 5, the present application has provided the implementation row of four wire end connection fixing structures, and a screw hole 12 is set in the middle part of the upper surface of the block body 15, and blind holes 13 are respectively arranged at intervals around the screw hole 12, and four blind holes are arranged at intervals. The layout of through-holes 14 is arranged on the outside of the holes 13 respectively, and the overall distribution is in a cross shape.

It should be noted that this application includes the connection structures of two wires, three wires and four wires given in the foregoing embodiments, but is not limited to the aforementioned structures, that is, five wires or six wires and more that are not given in this application. Multiple wire connection structures are also within the protection scope of the present application.

When in use, in combination with accompanying drawings 1 to 3 and 6, take the connection and fixing structure of the terminals of two wires as an example: remove the outer sheath A19 of the wire A17 to be connected to a suitable length, so that the near end of the wire A17 becomes a bare wire , and then pass the wire A17 from the lower part of the block body 15 into the through hole 14, use needle-nose pliers to bend the end of the wire A17 for a short section, and pull down the outer sheath A19 to make the part of the wire A17 pass into the blind hole 13. At this time, the wire A17 The bend is in the deep depression 10 between the through hole 14 and the blind hole 13, and the lower part of the block 15 of the outer cover A19 is folded outward; the outer cover B20 of the wire B18 to be connected is removed to a suitable length, so that the wire B18 The near end becomes a bare wire, and then the wire B18 is inserted from the lower part of the block body 15 into the through hole 14 on the other side, and the end of the wire B18 is bent for a short section with needle-nose pliers, and the outer sheath B20 is pulled down so that the part of the wire B18 passes through. Enter another blind hole 13, at this moment the bending place of lead B18 is in the deep depression 10 between other side through hole 14 and another blind hole 13, and the block body 15 lower part of outer sheath B20 is folded outward; Put the middle part of the lower part of the block 15 on the support, insert the semicircular clamping plates 8 on both sides of the copper plate 7 into the inner sides of the two blind holes 13 respectively, and use a hammer to hit the copper plate 7. At this time, the outer concave surfaces of the two semicircular clamping plates 8 Just get stuck on the inner surface of the wire A17 and the wire B18, then use the screw rod 5 of the screw to penetrate into the screw hole 12 in the middle of the block 15, tighten it with the screw head 4, use the internal thread 3 of the upper cover 1 and the block The outer thread 11 of the body 15 is connected, and the copper plate 7, the wire A17 and the wire B18 are protected from leakage by the upper cover 1.

The unspecified parts of the present invention are prior art.

Claims (6)

1. A multi-wire terminal connection and fixing structure, including a block (15), a copper plate (7), screws and an upper cover (1), characterized in that: a screw hole ( 12), the upper surface of the block (15) outside the screw hole (12) is provided with at least two blind holes (13), and the upper surface of the block (15) outside each blind hole (13) is respectively provided with through Holes (14); a light hole (6) is provided in the middle of the copper plate (7), and a semicircular clamping plate (8) matching the number of blind holes (13) of the block (15) is provided on the lower part of the outer edge of the copper plate (7) ;The wires matching the number of the through holes (14) are penetrated from the lower part of the through holes (14) and bent, the bent part of the wires is inserted into the blind hole (13), and the semicircular clamping plate (8) of the copper plate (7) is inserted into the blind hole (13) On the inner side, the semicircular clamping plate (8) of the copper plate (7) clamps the inner surface of the bending part of the wire, and the screw passes through the light hole (6) of the copper plate (7) and connects with the screw hole (12). The upper end of the block (15) is provided with an upper cover (1). 2. The multi-thread terminal connection and fixing structure according to claim 1, characterized in that: the upper surface of the block (15) on the upper outer edge of the screw hole (12) is provided with a shallow concave surface (9) slightly larger than the copper plate (7). ). 3. The multi-wire terminal connection and fixing structure according to claim 1, characterized in that: a deep depression (10) is provided between each blind hole (13) and the corresponding through hole (14) on the outside. 4. The multi-thread terminal connection and fixing structure according to claim 1, characterized in that: an external thread (11) is provided on the outer surface of the block (15), and an internal thread (11) is provided on the lower inner surface of the upper cover (1). thread (3); the external thread (11) of the block (15) is connected with the internal thread (3) of the loam cake (1). 5. The connection and fixing structure for multi-thread terminals according to claim 4, characterized in that: a smooth surface (2) with reduced diameter is provided on the upper part of the inner thread (3) of the upper cover (1). 6. The multi-thread terminal connection and fixing structure according to claim 1, characterized in that: a striped surface (16) in the vertical direction is provided on the concave surface outside each semicircular clamp (8).

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