CN218123727U - Binding post joint structure for building electrical engineering - Google Patents

Abstract

The utility model discloses a clamping structure for connecting terminals used in building electrical engineering, which comprises an insulating shell, and the upper end surface of the insulating shell is symmetrically provided with two rectangular grooves, and the insides of the two rectangular grooves are connected by rotation. There are pressure bars, and the left and right sides of the insulating shell are provided with electric connection holes, the inside of the electric connection hole is embedded with a conductive sleeve, the inside of the conductive sleeve is provided with a wire, and the front end of the wire is provided with a connection An electric copper sheet, a conductor is provided between the two electric holes, the lower end surface of the insulating housing is rotatably connected with a screw, and the screw is threaded with a translation plate, and the lower end surface of the insulating housing is The symmetrical fixed connection has guide rods. The utility model adopts the method of copper sheet to be pressed and connected with the conductive sleeve to achieve the purpose of conduction. At the same time, the wire and the electric copper sheet can be reinforced to avoid falling off and ensure the stability of the line connection.

Description

A clamping structure of terminal blocks for building electrical engineering

technical field

The utility model relates to the technical field of building electrical engineering, in particular to a clamping structure for connecting terminals used in building electrical engineering.

Background technique

Terminal block is an accessory product used to realize electrical connection, which is industrially divided into the category of connectors. With the development of the electronics industry, the use of terminal blocks is increasing, and there are more and more types. In the prior art, most of the terminal blocks use nut terminals, and the connection is mainly realized by pressing the wires tightly through bolts, which is not conducive to the connection of a large number of wires;

For this reason, the clamping structure of a terminal block for building electrical engineering with the publication number "CN216903556U" includes an insulating housing, and wiring holes are provided on both sides of the insulating housing, and the insides of the two wiring holes are A conductive ring is fixedly connected, a rectangular groove is arranged on the top of the insulating housing and directly above the wiring hole, a bead is arranged inside the rectangular groove, and a connecting shaft is fixedly connected to one side of the bead, and the two ends of the connecting shaft are connected to the The groove walls of the rectangular groove are rotationally connected, and a crimping portion is provided on the side of the bottom of the bead close to the connecting shaft. The utility model can realize quick disassembly and connection between the wire and the terminal by setting the crimping part on the bead for the compression connection between the wire and the conductive ring. It can complete the disconnection between the wire and the terminal, which can greatly improve the convenience and efficiency of the assembly and disassembly of the terminal, and facilitate maintenance operations;

However, in the actual operation process, after the wire is stripped, the copper wire in the wire will be loose, and the copper wire cannot be fully compressed by the bead, and when the cable is pulled, the connection between the wire and the bead will be directly Due to the pulling force, the stability of the cable connection cannot be guaranteed, which affects the transmission effect of the current.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a clamping structure of the terminal used in building electrical engineering, which adopts the method of copper sheet to be pressed and connected with the conductive sleeve to achieve the purpose of conduction , At the same time, the wire and the copper sheet can be reinforced to avoid falling off and ensure the stability of the line connection.

In order to achieve the above object, the utility model adopts the following technical solutions:

A connection terminal clamping structure for building electrical engineering, comprising an insulating housing, two rectangular grooves are symmetrically arranged on the upper end surface of the insulating housing, and the inside of the two rectangular grooves are both rotatably connected with a bead, the The left and right sides of the insulating shell are provided with electric connection holes, the inside of the electric connection hole is embedded with a conductive sleeve, the inside of the conductive sleeve is provided with a wire, the front end of the wire is provided with an electric connection copper sheet, A guide piece is arranged between the two electric connection holes, the lower end surface of the insulating housing is rotatably connected with a screw, the screw is screwed with a translation plate, and the lower end surface of the insulating housing is symmetrically and fixedly connected with Guide rod, the lower end of the guide rod runs through the translation plate and is slidably connected with it. The left and right side walls of the insulating housing are fixedly connected with the upper pressure plate. Shedding reinforcement mechanism.

Preferably, the reinforcing mechanism includes two lower pressing plates that are slidably connected to the left and right sides of the lower pressing plate, the upper end of the translation plate is fixedly connected with vertical rods symmetrically, and the upper ends of the two vertical rods are connected to the two vertical rods respectively. The lower end surface of the lower pressing plate is fixedly connected, and the upper end of the translation plate is fixedly connected with two insulating push rods, and the upper ends of the two insulating push rods respectively extend to the inside of the two electric holes.

Preferably, both the lower pressing plate and the upper pressing plate have a semi-circular structure, and a plurality of locking teeth are evenly distributed on the inner side of the lower pressing plate.

Preferably, the section of the guide rod is an inverted T shape.

Preferably, the conductive sleeve is in the shape of a square cylinder, and the upper end surface of the conductive sleeve is provided with an opening for inserting the pressure strip.

Preferably, the lower end surface of the insulating housing is provided with a through hole through which the insulating push rod passes.

The utility model has the following beneficial effects:

1. Through the setting of the electric connection copper sheet, the conductive sleeve and the bead, the bead can be pressed down, the electric connection copper sheet can be squeezed, and the electric connection copper sheet and the conductive sleeve can be pressed and conducted;

2. Through the setting of the screw, translation plate, guide rod, upper pressing plate and reinforcement mechanism, under the action of the screw, the translation plate moves axially along the guide rod, so that the insulating ejector rod and the lower pressing plate can move, respectively realizing the connection between the wire and the connection. The reinforcement of the electric copper sheet can separate the wire from the electric copper sheet.

Description of drawings

Fig. 1 is a structural schematic diagram of a clamping structure of a terminal block for building electrical engineering proposed by the utility model;

Fig. 2 is a side view of the copper sheet in the clamping structure of the terminal for building electrical engineering proposed by the utility model.

In the figure: 1 insulating shell, 2 bead, 3 rectangular groove, 4 upper plate, 5 wire, 6 lower plate, 7 vertical rod, 8 insulating push rod, 9 guide rod, 10 translation plate, 11 electric copper sheet, 12 Conductive sleeve, 13 lead pieces, 14 screw rods, 15 locking teeth.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figure 1-2, a clamping structure of a terminal block for building electrical engineering, including an insulating housing 1, the upper end surface of the insulating housing 1 is symmetrically provided with two rectangular slots 3, and the insides of the two rectangular slots 3 are rotated There is a bead 2 connected, and the left and right sides of the insulating shell 1 are provided with electrical connection holes, and a conductive sleeve 12 is embedded inside the electrical connection hole. The opening of the insertion, the inside of the conductive sleeve 12 is provided with a wire 5, the front end of the wire 5 is provided with an electric connection copper sheet 11, the electric connection copper sheet 11 is rectangular, and a conductive piece 13 is arranged between the two electric connection holes;

The lower end surface of the insulating housing 1 is rotatably connected with a screw 14, the screw 14 is threadedly connected with a translation plate 10, and the lower end surface of the insulating housing 1 is symmetrically and fixedly connected with a guide rod 9, which serves the purpose of guiding, and the lower end of the guide rod 9 Penetrating through the translation plate 10 and slidingly connected with it, the left and right side walls of the insulating housing 1 are fixedly connected with the upper pressure plate 4;

The upper end of the translation plate 10 is provided with a reinforcing mechanism to prevent the lead wire 5 and the copper sheet 11 from falling off. The reinforcing mechanism includes two lower pressing plates 6 that are slidably connected to the left and right sides of the lower pressing plate 6 respectively. The lower pressing plate 6 and the upper pressing plate 4 are in a Semi-circular structure, the inner side of the lower pressure plate 6 is evenly distributed with a plurality of locking teeth 15, the upper end surface of the translation plate 10 is symmetrically fixedly connected with vertical rods 7, and the upper ends of the two vertical rods 7 are connected with the lower ends of the two lower pressure plates 6 respectively. The end faces are fixedly connected. The upper end of the translation plate 10 is fixedly connected with two insulating push rods 8. The cross section of the guide rod 9 is an inverted T shape. The lower end surface of the housing 1 is provided with a through hole through which the insulating push rod 8 passes.

working principle:

When in use, press the bead 2 upwards to make the bead 2 turn over and be in an open state, insert the copper sheet 11 into the conductive sleeve 12, then turn the bead 2 over and press down, so that the bead 2 is pressed into the rectangular groove 3, and the bead The lower end of 2 can squeeze the electric copper sheet 11, so that the electric copper sheet 11 and the conductive sleeve 12 are compressed to achieve conduction;

After the power is connected, turn the screw 14, the rotation of the screw 14 can make the translation plate 10 move up, so that the lower pressing plate 6 can be pressed against the wire 5, and at the same time, the locking teeth 15 can be inserted into the surface of the wire 5 to achieve a better anti-slip reinforcement effect , during the movement of the translation plate 10, the insulating ejector rod 8 can partially lift and bend the electric connection copper sheet 11, which can prevent the electric connection copper sheet 11 from slipping out of the conductive sleeve 12 due to pulling.

The above is only a preferred embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field is within the technical scope disclosed by the utility model. Any equivalent replacement or change of the technical solution and the concept of the utility model shall fall within the scope of protection of the utility model.

Claims (6)

1. The utility model provides a binding post joint structure for building electrical engineering, includes insulating housing (1), its characterized in that, the up end symmetry of insulating housing (1) is equipped with two rectangular channel (3), two the inside of rectangular channel (3) is all rotated and is connected with layering (2), the left and right sides of insulating housing (1) has all been seted up and has been connect the electricity hole, connect the inside of electricity hole to inlay and be equipped with conductive sleeve (12), the inside of conductive sleeve (12) is provided with wire (5), the front end of wire (5) is provided with connects electric copper sheet (11), two connect to be provided with between the electricity hole and lead connecting piece (13), the lower terminal surface of insulating housing (1) is rotated and is connected with screw rod (14), threaded connection has translation board (10) on screw rod (14), the lower terminal surface symmetry fixedly connected with guide arm (9) of insulating housing (1), the lower extreme of guide arm (9) runs through translation board (10) to rather than sliding connection, insulating housing (1) is the equal fixedly connected with top board (4) of the left and right sides wall, the upper end of translation board (10) is provided with prevents that wire (5) and connects the reinforcement copper sheet mechanism that electric mechanism.

2. The connecting terminal clamping structure for the building electrical engineering according to claim 1, wherein the reinforcing mechanism comprises two lower pressing plates (6) which are respectively connected to the left side and the right side of each lower pressing plate (6) in a sliding manner, the upper end faces of the translation plates (10) are symmetrically and fixedly connected with vertical rods (7), the upper ends of the vertical rods (7) are respectively and fixedly connected with the lower end faces of the two lower pressing plates (6), the upper ends of the translation plates (10) are fixedly connected with two insulating ejector rods (8), and the upper ends of the insulating ejector rods (8) respectively extend to the insides of the two electric connection holes.

3. The connecting terminal clamping structure for the building electrical engineering according to claim 2, wherein the lower pressing plate (6) and the upper pressing plate (4) are both in a semicircular structure, and a plurality of clamping teeth (15) are uniformly distributed on the inner side of the lower pressing plate (6).

4. The clamping structure of the wiring terminal for the building electrical engineering according to claim 1, wherein the cross section of the guide rod (9) is an inverted T-shaped cross section.

5. The connecting terminal clamping structure for the building electrical engineering as claimed in claim 4, wherein the conductive sleeve (12) is in a square tube shape, and an opening into which the pressing bar (2) is inserted is formed in the upper end surface of the conductive sleeve (12).

6. The clamping structure of the wiring terminal for the building electrical engineering according to claim 1, wherein a through hole for the insulation ejector rod (8) to pass through is formed in the lower end face of the insulation shell (1).

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