CN218997097U

CN218997097U - Stable grounding protection structure of jack box

Info

Publication number: CN218997097U
Application number: CN202320136828.4U
Authority: CN
Inventors: 周涛; 王宽; 王子豪; 何伟; 吴强
Original assignee: Eaton Bus Jiangsu Co ltd
Current assignee: Eaton Bus Jiangsu Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-09
Anticipated expiration: 2033-02-07

Abstract

The utility model provides a stable ground connection protection architecture of jack box, the top of jack box is equipped with the plugboard, the one end inboard of jack box run through be equipped with PE conducting rod, PE conducting rod establish the outside in plugboard one side, the lower part outside of running through the jack box of PE conducting rod is equipped with the spring, the spring upper end be equipped with annular spacing knot, the lower extreme of spring is equipped with and holds in the palm the end, the top surface of annular spacing knot link to each other with the bottom surface of jack box, the center of holding in the palm the bottom run through be equipped with PE conducting rod, the inner face of holding in the palm the end links to each other with the lower extreme of spring, through setting up the conducting rod in the form of plugboard bottom, the operation of automatic lock is carried out to the cooperation spring to guarantee that the conducting rod can hug closely steady ground connection, guarantee the safe and reliable of ground connection structure.

Description

Stable grounding protection structure of jack box

Technical Field

The utility model belongs to the technical field of jack box ground connection, concretely relates to stable ground protection architecture of jack box.

Background

The bus duct is a closed metal device formed by copper and aluminum bus columns and is used for distributing larger power for each element of a dispersion system, wires and cables are increasingly replaced in the project of indoor low-voltage power transmission trunk engineering, the plug-in box is used as a functional unit of the power transmission bus duct and plays a role in distributing power in a bus duct system, and as the requirements of bus duct products on performance and reliability are higher, the requirements of the plug-in box on safety and reliability are higher.

The middle-split bus duct is usually connected by using plug-in type plug-in boxes, and the box body of the plug-in box is connected with the bus duct through a plug-in box connecting seat, but the plug-in boxes arranged on the bus duct by the plug-in boards can be arranged at any position of the bus duct randomly, so that the convenience of installing the plug-in boxes is greatly improved, the planning process of installing the bus duct is simplified, and a very fatal defect is caused.

The common jack box is characterized in that after the bus duct is connected, all electrified equipment such as bolts are needed to conduct the box body of the jack box with the bus duct in a ground wire mode, so that current is prevented from being generated outside the box body of the jack box, and the danger of electric shock of workers is avoided.

However, the plugging box of the plugging plate type cannot determine the position to be grounded because of the degree of freedom, so that the grounding device cannot be arranged on the shell of the bus duct in advance, and the ground wire of the plugging box and the ground wire of the bus duct are conducted by using independent ground wire leads after the plugging box is connected with the bus duct, so that the integration of the plugging box is damaged, and the complexity of the installation process of the plugging box is greatly improved.

Disclosure of Invention

In order to solve the problem, this paper proposes a stable ground connection protection architecture of jack box, and the top of jack box is equipped with the plugboard, the one end inboard of jack box run through be equipped with PE conducting rod, PE conducting rod establish in the outside of plugboard one side, the lower part outside of running through the jack box of PE conducting rod is equipped with the spring, the spring upper end be equipped with annular spacing knot, the lower extreme of spring is equipped with and holds in the palm the end, the top surface of annular spacing knot link to each other with the bottom surface of jack box, the center of holding in the palm the bottom run through be equipped with PE conducting rod, the inner face of holding in the palm the end links to each other with the lower extreme of spring, through the form that sets up the conducting rod in the jack board bottom, the operation of automatic lock is carried out to the cooperation spring to guarantee that the conducting rod can hug closely steadily ground, guarantee the safe and reliable of ground connection structure.

The shape of jack-in groove is erectly C type, and the middle part of jack-in groove inboard bottom surface is equipped with the plugboard, plugboard one side and jack-in groove's side between be equipped with PE conducting rod, be connected with the bus duct of well split type through the form of jack-in groove, guarantee the firm of connection to can also insert the conducting rod together on the earth connection in the bus duct simultaneously.

The shape of PE conducting rod is cylindrical, and PE conducting rod's whole surface is the conductor, and PE conducting rod top-down runs through in spliced groove, annular spacing knot, spring and holds in the palm the end, holds in the palm the end and is concave folded plate, holds in the palm the top of end and is equipped with outside right angle hem, holds in the palm the recess bottom center of end and is equipped with the through-hole, right angle hem and spliced groove's bottom surface link to each other, the through-hole in be equipped with PE conducting rod, annular spacing knot shape is the ring, the outside of annular spacing knot is equipped with lock nut. The center of annular spacing knot is run through and is equipped with PE conducting rod, and the spring is the expansion spring, and the center of spring runs through and is equipped with PE conducting rod, and the top of spring links to each other with annular spacing knot is fixed, and the bottom of spring links to each other with the layer board is fixed, and PE conducting rod passes through the cooperation of holding in the palm end, annular spacing knot and spring, can adjust the dynamics of pushing down of conducting rod to the generating line PE row of various different degree of depth or different thickness of adaptation.

The beneficial effects are that:

through the form with the conductive rod setting in the plugboard bottom, the operation of locking automatically is carried out to the cooperation spring to guarantee that the conductive rod can hug closely steady ground, guarantee the safe and reliable of ground structure.

The connecting structure is connected with the middle-split bus duct in a plugging groove mode, so that the connection stability is guaranteed, and meanwhile, the conductive rods can be inserted into the ground wire in the bus duct together.

The PE conductive rod can adjust the downward force of the conductive rod through the cooperation of the bottom support, the annular limiting buckle and the spring, so that the PE conductive rod is suitable for various bus PE rows with different depths or different thicknesses.

Drawings

FIG. 1 is a schematic view of a stabilized ground protection structure for a jack box;

FIG. 2 is an assembled cross-sectional view of a stabilized ground protection structure for a jack box;

in the figure; 1. the plug-in slot, 2, the plug-in board, 3, well branch generating line, 4, generating line PE row, 5, PE conducting rod, 6, annular spacing knot, 7, spring, 8, support the end.

Detailed Description

In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

The device comprises a plug-in groove 1, a plug-in plate 2, a middle branch bus 3, a bus PE row 4, PE conductive rods 5, an annular limiting buckle 6, a spring 7 and a support bottom 8.

As shown in fig. 1 and 2;

the utility model provides a stable ground connection protection architecture of jack box, the top of jack box is equipped with jack groove 1, the top of jack groove 1 is equipped with plugboard 2, the inboard of one end of jack groove 1 run through be equipped with PE conducting rod 5, PE conducting rod 5 establish the outside in plugboard 2 one side, the lower part outside of running through jack groove 1 of PE conducting rod 5 is equipped with spring 7, spring 7 upper end be equipped with annular spacing knot 6, spring 7's lower extreme is equipped with holds in the palm end 8, annular spacing knot 6's top surface link to each other with jack groove 1's bottom surface, hold in the palm end 8's center run through be equipped with PE conducting rod 5, hold in the palm end 8's inner face and spring 7's lower extreme link to each other, jack groove 1's shape is vertical C, the middle part of jack groove 1 inboard bottom surface is equipped with plugboard 2, plugboard 2 one side and jack groove 1's side between be equipped with PE conducting rod 5, PE conducting rod 5's shape is cylindrical, PE conducting rod 5's whole surface all is the conductor, PE conducting rod 5 runs through in jack groove 1, hold in the bottom 7, hold in the palm end 8 is equipped with annular bottom 8 to hold in the palm end 8, the shape is equipped with annular bottom 8 to hold in the palm end 8, the bottom 8 is the bottom surface of the limit nut is the limit nut that holds in the palm to the bottom, the top is the limit nut is connected to the top of the limit nut, the top is equipped with annular bottom 8, the limit nut is held in the limit groove, the top is held in the limit groove is connected to the top to the limit groove. The center of annular spacing knot 6 runs through and is equipped with PE conducting rod 5, and spring 7 is expansion spring 7, and the center of spring 7 runs through and is equipped with PE conducting rod 5, and the top of spring 7 links to each other with annular spacing knot 6 is fixed, and the bottom of spring 7 links to each other with the layer board is fixed.

Implementation examples;

the plugboard 2 of the jack box is inserted into the middle branch bus 3, the middle branch bus 3 is clamped into the jack groove 1 at the same time, the upper bus PE row 4 of the bus is pressed on the top surface of the PE conductive rod 5 after the middle branch bus 3 is clamped into the bus, when the bus PE row 4 is completely pressed down, the PE conductive rod 5 is pressed down and displaced through the annular limiting buckle 6, the spring 7 is compressed at the same time, the expansion force of the spring 7 takes the bottom 8 as a reference to upwards push the PE conductive rod 5 to be dead, so that the PE conductive rod 5 is completely contacted with the bus PE row 4, and the stability of grounding is ensured.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a stable ground protection architecture of jack box, the top of jack box is equipped with the plugboard, its characterized in that, the one end inboard of jack box run through be equipped with PE conductor bar, PE conductor bar establish the outside in plugboard one side, the lower part outside of running through the jack box of PE conductor bar is equipped with the spring, the spring upper end be equipped with annular spacing knot, the lower extreme of spring is equipped with the support end, the top surface of annular spacing knot link to each other with the bottom surface of jack box, the center of holding in the palm the end run through be equipped with PE conductor bar, the inner face of holding in the palm the end links to each other with the lower extreme of spring.

2. The stable grounding protection structure of a jack box according to claim 1, wherein the jack slot is in a vertical C shape, a plug board is arranged in the middle of the bottom surface of the inner side of the jack slot, and a PE conductive rod is arranged between one surface of the plug board and the side edge of the jack slot.

3. The stable grounding protection structure of the jack box of claim 1, wherein the shape of the PE conductive rod is cylindrical, the whole outer surface of the PE conductive rod is a conductor, and the PE conductive rod penetrates through the jack groove, the annular limit buckle, the spring and the support bottom from top to bottom.

4. The stable grounding protection structure of the jack box of claim 1, wherein the support bottom is a concave folded plate, the top of the support bottom is provided with an outward right-angle folded edge, the center of the bottom of the groove of the support bottom is provided with a through hole, the right-angle folded edge is connected with the bottom surface of the jack groove, and a PE conductive rod is arranged in the through hole.

5. The stable grounding protection structure of an inserting box according to claim 1, wherein the annular limiting buckle is in a circular ring shape, a locking nut is arranged on the outer side of the annular limiting buckle, and a PE conductive rod penetrates through the center of the annular limiting buckle.

6. The stable grounding protection structure of an insertion box according to claim 4, wherein the spring is an expansion spring, a PE conductive rod is arranged in the center of the spring in a penetrating manner, the top end of the spring is fixedly connected with the annular limiting buckle, and the bottom end of the spring is fixedly connected with the supporting plate.