CN209963277U - Ground plug terminal - Google Patents

Abstract

The utility model discloses a ground pin terminal, including casing and a plurality of binding post, each binding post includes the wiring frame, current conducting plate and bolt, the wiring frame is rectangle frame column structure, it holds the chamber to be equipped with in the casing, the movably setting of wiring frame is holding the intracavity, the bolt is installed on the casing with the mode that can only circumferential direction and can not axial displacement, the screw cooperation on the screw portion of bolt and the wiring frame, be equipped with the perforation on the casing, the current conducting plate is fixed in the casing, the one end of current conducting plate has the double-layered line board, the other end is equipped with wiring portion, in the double-layered line board stretches into the wiring frame, the entrance hole has on the lateral wall that holds the chamber, drive the wiring frame when rotating the bolt and follow the. The utility model provides a ground plug terminal's rational in infrastructure, thereby it connects to press from both sides the tight realization electricity of line end clamp with external conductor through the double-layered line board portion with the corresponding lateral wall of junction box, directly compresses tightly external conductor and brings the distortion damage to external conductor when having reduced the bolt and screwed to it is reliable to connect.

Description

Ground plug terminal

Technical Field

The utility model relates to a ground spigot belongs to the electrical connection terminal structural design field.

Background

The ground plug terminal is arranged on the ground socket and is used for transitionally connecting an external lead and a functional piece on the ground plug. A current ground inserts terminal includes including casing and a plurality of binding post, and each binding post includes wire frame and bolt, the wire frame is rectangle frame column structure the position that corresponds with the wire frame on the casing has the entrance hole that supplies external conductor male, when connecting external conductor, inserts the wire end of external conductor in the wire frame by the entrance hole, then through rotatory bolt, the bolt produces axial displacement and compresses tightly the line end of external conductor in the wire frame through its tip and realize connecting, when connecting external conductor, nevertheless when the bolt continued the rotatory in-process that compresses tightly external conductor along with the spiral after with external conductor contact can cause the wire to produce the distortion damage to influence the reliability of electricity connection.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that insert the problem that the terminal harms the wire easily when connecting external wire now.

Realize the utility model discloses the technical scheme of purpose is:

a ground plug terminal comprises a shell and a plurality of wiring terminals,

each binding post includes wire connection frame, current conducting plate and bolt, the wire connection frame is rectangle frame column structure, be equipped with in the casing and be used for holding the chamber that holds of wire connection frame, the movably setting of wire connection frame is in hold the intracavity, the bolt is installed with the mode that can only circumferential direction and can not axial displacement on the casing, the screw portion of bolt with screw cooperation on the wire connection frame on the casing with the position that the head of bolt corresponds is equipped with the perforation, the current conducting plate is fixed in the casing, the one end of current conducting plate has wire clamping plate portion, and the other end is equipped with wiring portion, wire clamping plate portion stretches into in the wire connection frame, have on the lateral wall that holds the chamber and supply external wire male entrance hole, rotate drive during the bolt the wire connection frame for wire clamping plate portion is along the axial displacement of bolt.

In the above technical scheme, the head of the bolt is provided with an annular limiting boss protruding outwards, and the shell is provided with a limiting groove matched with the annular limiting boss.

In the above technical scheme, the casing includes epitheca and inferior valve, the epitheca with the inferior valve docks with the mode of joint.

In the technical scheme, the conductive plate is fixed in the shell in a clamping, screw fixing or crimping mode.

In the above technical solution, the cross-sectional shape of the wire connection portion is a C-shape.

Among the above-mentioned technical scheme, be fixed with on the terminal support on the casing bottom surface, binding post includes zero line terminal, live wire terminal and ground wire terminal, among the ground wire terminal the ground wire current conducting plate is called as, be equipped with the hole of stepping down on the casing diapire, the ground wire current conducting plate has inwards step down downthehole crooked flexion, the flexion have with the terminal support surface pastes the electrically conductive plane that realizes the electricity and connect mutually.

Among the above-mentioned technical scheme, the terminal support passes through fastening screw to be fixed on the casing bottom surface the screw that runs through has on the casing perforates, on the terminal support with the position that the screw perforates to correspond is equipped with the screw hole, fastening screw passes the screw perforates with the screw hole cooperation.

In the technical scheme, the fastening screw is sleeved with a gasket outside the shell.

The utility model discloses has positive effect: adopt the above-mentioned structure in the utility model provides an when connecting external conductor, penetrate the terminal of external conductor in the wire connection box by the entrance hole, then with the most advanced slot internal rotation bolt that inserts the bolt head by perforating of screwdriver, drive when the bolt is rotatory the wire connection box for the axial displacement of bolt is followed to the double-layered line board portion, thereby it presss from both sides the tight electricity of realization with the terminal of external conductor to move to the double-layered line board portion through the corresponding lateral wall of wire connection box, thereby has reduced the distortion damage that the external conductor brought directly to compressing tightly when the bolt was screwed like this, and connect reliably, the patchcord that the function piece was inserted with ground to external connection in addition is connected with the wiring portion.

Drawings

Fig. 1 is a schematic structural view of a middle ground pin of the present invention;

FIG. 2 is a top view of the female terminal shown in FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is a schematic structural view of the female terminal shown in fig. 1 with the terminal holder removed;

fig. 6 is a schematic structural view of the connecting terminal of the present invention;

fig. 7 is a schematic structural diagram of the ground wire conductive plate of the present invention;

fig. 8 is an exploded view of the middle ground plug terminal of the present invention.

The reference symbols shown in the figures are: 1-a shell; 101-upper shell; 102-a lower shell; 11-a containment chamber; 12-a wire inlet hole; 13-a limiting groove; 14-a relief hole; 2-a wiring terminal; 21-a wiring frame; 22-a conductive plate; 221-a wire clamping plate portion; 222-a wiring portion; 23-a bolt; 231-an annular limiting boss; 24-a bend; 241-a conductive plane; 3-a terminal holder; 31-screw holes; 4-fastening screws; 5-a gasket.

Detailed Description

The specific structure of the present invention is described below with reference to the attached drawings:

referring to fig. 1 to 8, the ground plug terminal comprises a housing 1 and a plurality of connection terminals 2, each connection terminal 2 comprises a connection frame 21, a conductive plate 22 and a bolt 23, the connection frame 21 is a rectangular frame-shaped structure, a receiving cavity 11 for receiving the connection frame 21 is arranged in the housing 1, the connection frame 21 is movably arranged in the receiving cavity 11, the bolt 23 is mounted on the housing 1 in a manner that the bolt can only rotate in the circumferential direction and can not move in the axial direction, a thread portion of the bolt 23 is matched with a screw hole on the connection frame 21, a through hole is arranged on the housing 1 at a position corresponding to a head portion of the bolt 23, the conductive plate 22 is fixed in the housing 1, one end of the conductive plate 22 is provided with a wire clamping plate portion 221, the other end of the conductive plate portion is provided with a wire connecting portion 222, the wire clamping plate portion 221 extends into the connection frame 21, a wire inlet hole 12 for inserting an external wire is arranged on a side wall of the, when the bolt 23 is rotated, the wire frame 21 is driven to move relative to the wire clamping plate portion 221 in the axial direction of the bolt 23. By adopting the structure in the embodiment, when the external lead is connected, the wire end of the external lead penetrates into the wire frame 21 from the wire inlet 12, then the tip of the screwdriver is inserted into the slot at the head of the bolt 23 from the through hole to rotate the bolt 23, the bolt 23 drives the wire frame 21 to move relative to the wire clamping plate part 221 along the axial direction of the bolt 23 when rotating, and then the wire end of the external lead is clamped to realize electric connection by approaching the wire clamping plate part 221 through the corresponding side wall of the wire frame 21, so that the distortion damage of the external lead caused by directly pressing the external lead when the bolt 23 is screwed is reduced, the connection is reliable, and in addition, the flexible wire of the functional part and the ground plug-in terminal is inserted to be electrically connected with the wire connecting part.

Referring to fig. 3 and 4, in the embodiment, the head of the bolt 23 is provided with an annular limiting boss 231 protruding outwards, the housing 1 is provided with a limiting groove 13 matched with the annular limiting boss 231, and the axial limiting of the bolt 23 can be realized by matching the annular limiting boss 231 with the limiting groove 13 without affecting the rotation of the bolt 23.

In this embodiment, the housing 1 includes an upper shell 101 and a lower shell 102, and the upper shell 101 and the lower shell 102 are butted in a clamping manner, so that the mounting and fixing of the terminals inside the housing 1 are facilitated.

In this embodiment, the conductive plate 22 is fixed in the housing 1 by clamping, screwing or crimping.

Further, the wire connecting portion 222 has a C-shaped cross section, and as shown in fig. 6 and 7, when connecting the cord, the end of the cord is placed in the wire connecting portion 222, and the cord is connected to the conductive plate 22 by caulking.

As a further improvement of this embodiment, in this embodiment, be fixed with on the terminal support 3 on the casing 1 bottom surface, binding post 2 includes zero line terminal, live wire terminal and ground wire terminal, among the ground wire terminal the conducting plate 22 is called the ground wire conducting plate, be equipped with the hole of stepping down 14 on the casing 1 diapire, the ground wire conducting plate has inwards the crooked portion 24 of stepping down the hole 14 internal bending, crooked portion 24 have with the terminal support 3 surface pastes the conducting plane 241 who realizes the electricity and connect, so guarantee the reliability of ground connection.

Still further, terminal support 3 is fixed through fastening screw 4 on 1 bottom surface of casing have the screw that runs through on the casing 1 and perforate, terminal support 3 go up with the position that the screw perforates to correspond is equipped with screw hole 31, fastening screw 4 passes the screw perforates with the screw hole cooperation, so can reliably fix terminal support 3 on 1 bottom surface of casing to can guarantee the reliability of being connected between ground wire current conducting plate 22 and the terminal.

In the present embodiment, a gasket 5 is sleeved on the fastening screw 4 outside the housing 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims (8)

1. A ground plug terminal comprises a shell (1) and a plurality of wiring terminals (2),

each wiring terminal (2) comprises a wiring frame (21), a conductive plate (22) and a bolt (23), the wiring frame (21) is of a rectangular frame-shaped structure, a containing cavity (11) used for containing the wiring frame (21) is formed in the shell (1), the wiring frame (21) is movably arranged in the containing cavity (11), the bolt (23) is installed on the shell (1) in a mode that only circumferential rotation can be achieved and axial movement cannot be achieved, a threaded portion of the bolt (23) is matched with a threaded hole in the wiring frame (21), a through hole is formed in a position, corresponding to the head of the bolt (23), of the shell (1), the conductive plate (22) is fixed in the shell (1), a wire clamping plate portion (221) is arranged at one end of the conductive plate (22), a wiring portion (222) is arranged at the other end of the conductive plate (22), and the wire clamping plate portion (221) extends into the wiring frame (21), the side wall of the accommodating cavity (11) is provided with a wire inlet hole (12) for inserting an external lead, and when the bolt (23) is rotated, the wire frame (21) is driven to move along the axial direction of the bolt (23) relative to the wire clamping plate part (221).

2. The earth terminal of claim 1, characterized in that the bolt (23) has an outwardly protruding annular limiting boss (231) on the head thereof, and the housing (1) has a limiting groove (13) thereon which is engaged with the annular limiting boss (231).

3. The earth terminal according to claim 2, characterized in that the housing (1) comprises an upper shell (101) and a lower shell (102), the upper shell (101) and the lower shell (102) being butted in a snap-fit manner.

4. The earth terminal according to claim 1, characterized in that the conductor plate (22) is fixed in the housing (1) in a snap-fit, screw-fit or press-fit manner.

5. The ground terminal of claim 1, wherein the wire connecting portion (222) is C-shaped in cross-section.

6. The ground plug terminal according to any one of claims 1 to 5, characterized in that a terminal bracket (3) is fixed on the bottom surface of the housing (1), the wiring terminal (2) comprises a neutral terminal, a live terminal and a ground terminal, the conductive plate (22) in the ground terminal is called a ground conductive plate, a yielding hole (14) is arranged on the bottom wall of the housing (1), the ground conductive plate is provided with a bending part (24) bending inwards the yielding hole (14), and the bending part (24) is provided with a conductive plane (241) adhering to the surface of the terminal bracket (3) for electrical connection.

7. The ground plug terminal of claim 6, wherein the terminal support (3) is fixed on the bottom surface of the housing (1) by a fastening screw (4), the housing (1) has a through screw hole, a screw hole (31) is provided on the terminal support (3) at a position corresponding to the screw hole, and the fastening screw (4) is inserted into the screw hole and is engaged with the screw hole (31).

8. The earth terminal according to claim 7, characterized in that a washer (5) is sleeved on the fastening screw (4) outside the housing (1).

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