CN220652585U - Earthing device for block terminal - Google Patents

Abstract

The utility model discloses a grounding device for a distribution box, which belongs to the field of grounding bars, and comprises an upper wiring bar and a lower supporting bar, wherein a plurality of upper supporting structures with the same structure are arranged at the top of the upper wiring bar, a plurality of lower supporting structures with the same structure are arranged on the lower supporting bar corresponding to a plurality of upper pressing plates, the ground wire wiring bar is arranged into the structure form of the upper wiring bar and the lower supporting bar, the wire cores of the ground wires are directly attached and pressed by the upper pressing plates of the upper supporting structure and the lower pressing plates of the lower supporting structure, one end of each wire core of the ground wires is not required to be bent into a circular structure during wiring, interference to the contact part of each wire core of the ground wires due to rotation of a fastening screw is avoided, the phenomenon that the contact part of each wire core of the ground wires falls off due to rotation of the fastening screw is avoided, and the reliability and the wiring portability of the grounding device are improved.

Description

Earthing device for block terminal

Technical Field

The utility model relates to the field of grounding bars, in particular to a grounding device for a distribution box.

Background

In the use process of the distribution box, a wiring row is often required to be used for connecting the equipment in the distribution box with the circuit of the external equipment, wherein the wiring row comprises a ground wire wiring row for connecting the ground wire.

The existing ground wire wiring row is a strip-shaped structure with a plurality of wiring through holes, the wiring through holes are all connected with wiring screws in a threaded mode, one end of an internal wire core needs to be bent into a round structure when the ground wire is connected, the contact area is increased, then the inside of the wiring through holes is plugged in, the wiring screws are screwed down, so that the screwed down screws can compress the wire core of the ground wire, time is wasted when the wiring structure is connected, the plugged end of the wire core of the ground wire is easily rotated out along with the rotation of the wiring screws inside the wiring through holes, the reliability and portability of the wiring are affected, and therefore the grounding device for the distribution box is provided to solve the problems.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to solve the problems in the prior art and provide a grounding device for a distribution box, which is characterized in that a grounding wire row is arranged into a structure form of an upper wiring row and a lower supporting row, a wire core of a grounding wire is directly attached and pressed by an upper pressing piece of the upper supporting structure and a lower pressing piece of the lower supporting structure, then the upper pressing piece and the lower supporting row are tightly screwed by fastening screws, pressure is applied between the upper pressing piece and the lower pressing piece, the wire core of the grounding wire at a connecting position is prevented from loosening, one end of the wire core of the grounding wire is not required to be bent into a circular structure during wiring, interference to a contact part of the wire core of the grounding wire due to rotation of the fastening screws is avoided, the phenomenon that the contact part of the wire core of the grounding wire falls off due to rotation of the fastening screws is avoided, and the reliability and the portability of the grounding device are improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a earthing device for block terminal, includes wiring row and lower support row, go up wiring row both ends and all offered the installation through-hole, just go up wiring row top and be provided with the last bearing structure that a plurality of structure is the same, go up bearing structure including set up in go up the bar opening one at wiring row top, bar opening one side fixedly connected with goes up the layering, just go up the inside bar opening two that has offered of layering, bar opening two one side fixedly connected with goes up the preforming, correspond a plurality of go up be provided with the same bearing structure of a plurality of structure on the lower bearing row, lower bearing structure including set up in a plurality of bar opening three on the lower bearing row, bar opening three one side fixedly connected with lower preforming, go up the preforming with laminate down between the preforming mutually, just go up the preforming with be provided with the earth connection cable down between the preforming.

Furthermore, a first screw hole group is further formed at two ends of the upper wiring row, a second screw hole group is formed at two ends of the lower supporting row corresponding to the first screw hole group, and the first screw hole group and the second screw hole group are fixedly installed through countersunk screws.

Further, a first through hole is formed in one end of the upper pressing strip, a second through hole is formed in the lower support row corresponding to the first through hole, and the upper pressing strip and the lower support row are fixedly installed through fastening screws.

Furthermore, the upper wiring row is a strip-shaped structure made of brass, and the upper supporting structure is integrally formed on the upper wiring row in a punching mode.

Furthermore, the lower support row is a strip-shaped structure made of brass, and the lower support structure is integrally formed by stamping on the lower support row.

Further, the length of the first strip-shaped opening is greater than that of the third strip-shaped opening, and the width of the upper pressing sheet is smaller than that of the lower pressing sheet.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the ground wire wiring row is arranged into the structural form of the upper wiring row and the lower supporting row, the upper pressing piece of the upper supporting structure and the lower pressing piece of the lower supporting structure are utilized to directly tightly press the wire core of the ground wire, then the fastening screw is utilized to tightly screw the upper pressing piece and the lower supporting row, pressure is applied between the upper pressing piece and the lower pressing piece, the ground wire core at the joint is prevented from loosening, one end of the ground wire core is not required to be bent into a circular structure during wiring, interference to the contact part of the ground wire core due to rotation of the fastening screw is avoided, the phenomenon that the contact part of the ground wire core falls off due to rotation of the fastening screw is avoided, and the reliability of the grounding device and the wiring portability are improved.

Drawings

FIG. 1 is a schematic diagram of the wiring of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a split structure of the present utility model;

fig. 4 is a schematic cross-sectional structure of the present utility model.

The reference numerals in the figures illustrate:

1. an upper wiring row; 101. mounting through holes; 2. an upper support structure; 3. a strip-shaped opening I; 4. an upper pressing bar; 5. a second strip-shaped opening; 6. pressing into tablets; 7. a lower support row; 8. a lower support structure; 9. a strip-shaped opening III; 10. tabletting; 11. a ground cable; 12. screw hole I; 13. screw holes II; 14. a first through hole; 15. and a second through hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-4, a grounding device for a distribution box comprises an upper wiring row 1 and a lower supporting row 7, wherein mounting through holes 101 are formed in two ends of the upper wiring row 1, a plurality of upper supporting structures 2 with the same structure are arranged at the top of the upper wiring row 1, the upper supporting structures 2 comprise a first strip opening 3 formed in the top of the upper wiring row 1, one side of the first strip opening 3 is fixedly connected with an upper pressing strip 4, a second strip opening 5 is formed in the upper pressing strip 4, an upper pressing strip 6 is fixedly connected to one side of the second strip opening 5, a plurality of lower supporting structures 8 with the same structure are arranged on the lower supporting row 7 corresponding to the plurality of upper pressing strips 6, the lower supporting structures 8 comprise a plurality of third strip openings 9 formed in the lower supporting row 7, one side of the third strip openings 9 is fixedly connected with a lower pressing strip 10, the upper pressing strips 6 are attached to the lower pressing strips 10, a grounding cable 11 is arranged between the upper pressing strips 6 and the lower pressing strips 10, a first group 12 is further formed in two ends of the upper wiring row 1, two ends of the corresponding first lower supporting row 7 are provided with two screw holes 13, two corresponding screw holes 13 are formed in two ends of the lower supporting row 7 corresponding to the first pressing strip 12, two corresponding screw holes 14 are fixedly connected to the first sunk screws 14 are correspondingly provided with the first through holes 15 and the first through holes 15 and the second through holes 15 are correspondingly formed in the first through holes 15.

During installation, firstly, two ends of the upper wiring row 1 are installed on the wall of the distribution box through the installation through holes 101, then, two ends of the lower supporting row 7 are installed at the bottom of the upper wiring row 1 through the first screw holes 12, the second screw holes 13 and countersunk screws, so that the upper pressing piece 6 of the upper supporting structure 2 corresponds to the lower pressing piece 10 of the lower supporting structure 8, at the moment, the exposed wire core part of the grounding cable 11 is directly plugged into the contact part between the upper pressing piece 6 and the lower pressing piece 10, and finally, the first through holes 14 and the second through holes 15 are fixed tightly through the fastening screws, so that the upper pressing bar 4 has downward pressure, the upper pressing piece 6 is forced to be pressed down on the lower pressing piece 10, and the loose of the exposed wire core part of the grounding cable 11 at the connecting part is avoided.

Example 2:

in view of the above embodiment 1, as further described with reference to fig. 3 and 4, the upper wiring row 1 is a strip-shaped structure made of brass, the upper supporting structure 2 is integrally formed on the upper wiring row 1 by punching, the lower supporting row 7 is a strip-shaped structure made of brass, the lower supporting structure 8 is integrally formed on the lower supporting row 7 by punching, the length of the strip-shaped opening one 3 is greater than the length of the strip-shaped opening three 9, and the width of the upper pressing sheet 6 is smaller than the width of the lower pressing sheet 10.

Through the strip structure that upper wiring row 1 is the brass material, lower support row 7 is the strip structure of brass material, and brass possesses good conductivity, can be favorable to the electric current of electric leakage to be grounded along grounding cable 11 and this earthing device.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a grounding device for block terminal, includes wiring row (1) and lower support row (7), its characterized in that: the utility model discloses a wire connecting device, including upper wiring row (1), lower support structure (8) that upper wiring row (1) top is provided with a plurality of structure the same, upper support structure (2) including set up in bar opening one (3) at upper wiring row (1) top, bar opening one (3) one side fixedly connected with upper pressing strip (4), just bar opening two (5) have been seted up to upper pressing strip (4) inside, bar opening two (5) one side fixedly connected with goes up preforming (6), correspond a plurality of go up preforming (6) be provided with a plurality of under support structure (8) that the structure is the same on lower support row (7), under support structure (8) including set up in under a plurality of bar opening three (9) on support row (7), bar opening three (9) one side fixedly connected with under preforming (10), go up preforming (6) with down laminating between preforming (10), just go up preforming (6) with down between preforming (10) is provided with ground connection cable (11).

2. A grounding device for a distribution box according to claim 1, characterized in that: the upper wiring row (1) is characterized in that a group of screw holes I (12) are further formed in two ends of the upper wiring row (1), screw holes II (13) are formed in two ends of the lower supporting row (7) corresponding to the screw holes I (12), and the screw holes I (12) and the screw holes II (13) are fixedly mounted through countersunk screws.

3. A grounding device for a distribution box according to claim 1, characterized in that: one end of the upper pressing strip (4) is provided with a first through hole (14), the lower support row (7) corresponding to the first through hole (14) is provided with a second through hole (15), and the first through hole (14) and the second through hole (15) are fixedly installed through a fastening screw.

4. A grounding device for a distribution box according to claim 1, characterized in that: the upper wiring row (1) is of a strip-shaped structure made of brass, and the upper supporting structure (2) is integrally formed on the upper wiring row (1) in a punching mode.

5. A grounding device for a distribution box according to claim 1, characterized in that: the lower support row (7) is of a strip-shaped structure made of brass, and the lower support structure (8) is integrally formed on the lower support row (7) in a punching mode.

6. A grounding device for a distribution box according to claim 1, characterized in that: the length of the first strip-shaped opening (3) is larger than that of the third strip-shaped opening (9), and the width of the upper pressing piece (6) is smaller than that of the lower pressing piece (10).