CN211046140U

CN211046140U - Block terminal with safety protection double deck plate

Info

Publication number: CN211046140U
Application number: CN201922121178.2U
Authority: CN
Inventors: 孟帅
Original assignee: BEIJING DASANJIANG ELECTRIC APPLIANCE EQUIPMENT FACTORY
Current assignee: BEIJING DASANJIANG ELECTRIC APPLIANCE EQUIPMENT FACTORY
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-17
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of building construction, in particular to a distribution box with a safety protection two-layer panel; one kind has block terminal of safety protection double deck panel, including the box shell, locate box inner shell in the box shell, locate interior door on the box inner shell with locate outer door on the box shell, be equipped with the clearance between interior door and the outer door. The utility model provides a novel distribution box with a safety protection two-layer panel, which seals the gap between the inner shell and the inner door of the box body by arranging a sealing device between the inner shell and the inner door of the box body, thereby avoiding the damp condition in the distribution box and greatly reducing the potential safety hazard; through setting up the interior door to set up the observation window on the interior door, the operator opens the outer door and need not open the close branch that just can operate circuit breaker, electric leakage circuit breaker with the double-deck door again, avoids operator and electrified body contact, has increased the security.

Description

Block terminal with safety protection double deck plate

Technical Field

The utility model belongs to the technical field of the construction, in particular to block terminal with safety protection double deck plate.

Background

The distribution box is a low-voltage distribution box formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. The distribution box is the power transmission and distribution equipment that power transmission and distribution equipment applied more extensively, accounts for about 30% of all equipment, and along with the distribution box use market also bigger and bigger, power transmission and distribution made great contribution when the distribution box was used a large amount.

At present, the construction site temporarily uses the security requirement of block terminal more and more high to the job site, but the chamber door of current block terminal all is single-layer structure, can't satisfy user's demand at the higher occasion of protection level at all, and when needs carry out the interior operation of cabinet, can't protect job site power consumption safety, the operator probably contacts with electrified body, has certain potential safety hazard.

The application number 201811007448.0 discloses a safety distribution box for buildings, which comprises a box body and an outer distribution box door arranged on the box body, wherein the box body comprises an outer distribution box shell, an inner distribution box shell and a containing cavity for placing a circuit breaker and electric leakage protection, and the inner distribution box shell is provided with a circuit breaker observation window and an electric leakage protection observation window; although this setting can include operating personnel's safety, the door of this block terminal inner shell, block terminal outer door all have the gap before with the casing that corresponds, and the leakproofness is poor, probably leads to the moist condition to appear in the block terminal, and then leads to the emergence of electric leakage condition, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a new block terminal that has safety protection double deck panel.

The utility model discloses specific technical scheme as follows:

the utility model provides a distribution box with a safety protection two-layer panel, which comprises a box body outer shell, a box body inner shell arranged in the box body outer shell, an inner door arranged on the box body inner shell and an outer door arranged on the box body outer shell, wherein a gap is arranged between the inner door and the outer door; a circuit breaker, an N neutral conductor and a PE protection conductor are arranged in the inner shell of the box body, a door plate of the inner door is provided with a plurality of observation windows, and each observation window is respectively arranged corresponding to the circuit breaker, the N neutral conductor and the PE protection conductor; be equipped with sealing device between box inner shell and the interior door, sealing device is including locating the box inner shell is sealed with the first of interior door butt joint terminal surface and is located the box inner shell corresponds the sealed pad of second of interior door top and bottom position department, first sealed pad is inside hollow cushion, just the inside interval of first sealed pad is equipped with a plurality of parallel arrangement's spring leaf, each the one end of spring leaf is located first sealed pad is kept away from on the terminal surface of a side of interior door, the other end with first sealed pad is close to the side end surface of interior door contacts.

In a further improvement, one end, close to the inner part of the box body inner shell and close to the inner door, of the first sealing gasket is provided with a guide surface, and the linear shape of the section of the guide surface is matched with the shape of the spring piece.

In a further improvement, the box inner shell is provided with a ventilation hole, the inner wall of the ventilation hole self-learning box inner shell extends towards the outer wall of the box outer shell, and the ventilation fan is arranged on the ventilation hole.

In a further improvement, a sealing door is arranged on a ventilation hole on the inner shell of the box body.

The improved sealing door structure is characterized in that a moving device for controlling the sealing door to move is arranged on the side wall of the inner shell of the box body, the moving device comprises a base, a sliding rail and a lead screw and a sliding block, the sliding rail is arranged on the base, the lead screw and the sliding block are arranged on the sliding rail, one end of the lead screw is rotatably connected to one end of the base, the other end of the lead screw sequentially penetrates through the sliding block and the other end of the base, the other end of the base is connected with a motor at the other end of the base, the lead screw is in threaded connection with the sliding block, the sliding block.

The utility model has the advantages as follows:

the utility model provides a novel distribution box with a safety protection two-layer panel, which seals the gap between the inner shell and the inner door of the box body by arranging a sealing device between the inner shell and the inner door of the box body, thereby avoiding the damp condition in the distribution box and greatly reducing the potential safety hazard; through setting up the interior door to set up the observation window on the interior door, the operator opens the outer door and need not open the close branch that just can operate circuit breaker, electric leakage circuit breaker with the double-deck door again, avoids operator and electrified body contact, has increased the security.

Drawings

FIG. 1 is a schematic structural view of an electrical distribution box with a safety barrier double layer panel according to example 1;

FIG. 2 is a partial schematic structural view of a sealing device according to embodiment 1;

FIG. 3 is a cross-sectional view of a top view of the first gasket of example 1;

FIG. 4 is a cross-sectional view of a top view of the first gasket of example 2;

FIG. 5 is a side view of the electrical box of example 3 with a safety barrier two-layer panel;

FIG. 6 is a side sectional view of an inner casing of the cabinet according to embodiment 3.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings.

Example 1

The embodiment 1 of the utility model provides a distribution box with a safety protection two-layer panel, as shown in fig. 1, fig. 2 and fig. 3, comprising a box body outer shell 1, a box body inner shell 2 arranged in the box body outer shell 1, an inner door 3 arranged on the box body inner shell 2 and an outer door 4 arranged on the box body outer shell 1, wherein a gap is arranged between the inner door 3 and the outer door 4; a breaker 5 (the breaker comprises a main breaker, a plurality of breaking breakers and a plurality of breaking leakage breakers), an N neutral conductor 6 and a PE protection conductor 7 are arranged in the box body inner shell 2, a plurality of observation windows 8 are arranged on a door plate of the inner door 3, each observation window 8 is respectively arranged corresponding to the breaker 5, the N neutral conductor 6 and the PE protection conductor 7 in position, a glass panel is arranged on each observation window, a switch hole is arranged on each glass panel, and the switch hole is arranged corresponding to a switch key of the breaker 5 or the N neutral conductor 6 or the PE protection conductor 7; a sealing device 9 is arranged between the box inner shell 2 and the inner door 3, the sealing device 9 comprises a first sealing gasket 901 arranged on the hinged end face of the box inner shell 2 and the inner door 3 and a second sealing gasket 902 arranged on the position of the box inner shell 2 corresponding to the top and the bottom of the inner door 3, the first sealing gasket 901 is an internal hollow elastic pad, a plurality of spring pieces 903 arranged in parallel are arranged in the first sealing gasket 901 at intervals, one end of each spring piece 903 is arranged on one side end face, away from the inner door 3, of the first sealing gasket 901, and the other end of each spring piece is in contact with one side end face, close to the inner door 3, of the first sealing gasket 901. The dimensions of the drawings in the present application are appropriately scaled.

Example 2

Unlike the embodiment 1, the distribution box with the safety protection double-layer panel is characterized in that, as shown in fig. 4, one end of the first gasket 901, which is close to the inside of the inner case shell 2 and close to the inner door 3, is provided with a guide surface 904, and the linear shape of the cross section of the guide surface 904 is matched with the shape of the spring piece 903.

The guide surface is arranged in the embodiment to play a role in guiding when the inner door is closed, and the inner door is closed by the arc track and the spring piece is also in the shape of the arc, so that the guide surface is also in the shape of the arc, and the edge of the inner door directly slides according to the guide surface when the inner door is closed, so that the buffer effect can be achieved, and the damage of the edge of the inner door to the first sealing gasket is avoided; when the inner door is closed, the spring piece is compressed, the sealing performance between the first sealing gasket and the inner door can be realized, after the inner door is opened, the spring piece is restored to the original position, at the moment, the first sealing gasket is still in contact with the inner door, and the sealing performance is better.

The sealing device can be arranged between the outer shell and the outer door of the box body in the embodiment, the sealing performance is further improved, and the damp condition in the inner shell of the box body is greatly reduced.

Example 3

The utility model provides a block terminal with two layers of panels of safety protection, is different from embodiment 1, as shown in fig. 5, be equipped with ventilation hole 10 on the box inner shell 2, ventilation hole 10 self-study box inner shell 2's inner wall to the outer wall of box shell 1 extends, just be equipped with scavenger fan 11 on the ventilation hole 10.

As shown in FIG. 6, a sealing door 12 is provided on the ventilation hole 10 of the inner casing 2 of the box body in this embodiment.

As shown in fig. 6, in this embodiment, a moving device 13 for controlling the movement of the sealing door 12 is disposed on the side wall of the inner casing 2 of the box body, the moving device 13 includes a base 131, a slide rail 135 disposed on the base 131, and a lead screw 132 and a slider 133 disposed on the slide rail 135, one end of the lead screw 132 is rotatably connected to one end of the base 131, the other end of the lead screw 132 sequentially passes through the slider 133 and the other end of the base 131 and is connected to a motor 134 disposed at the other end of the base 131, the lead screw 132 is screwed to the slider 133, the slider 133 slides on the slide rail, and the bottom of the sealing door 12 is disposed on the slider 133.

Because the inner shell of the box body is sealed with the inner door, the interior of the inner shell of the box body needs to be ventilated at variable time to further reduce the occurrence of destructive conditions such as humidity, high temperature and the like in the box body, and therefore, the inner shell of the box body and the outer shell of the box body are provided with the ventilation holes and the ventilation fan; the arrangement of the vent hole can destroy the tightness of the inner shell of the box body, so that a sealing door which can be automatically opened is arranged on the vent hole; when ventilation is finished, the motor is started, the motor rotates in the opposite direction, and the sealing door is driven to return to the original position; the control of the motor can be provided with a control button on the distribution box.

In this embodiment, on the lateral wall of box inner shell and set up the sealing washer around the ventilation hole, further increase the leakproofness between sealing door and the ventilation hole, and then increase the leakproofness of this block terminal.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The distribution box with the safety protection double-layer panel is characterized by comprising a box body outer shell (1), a box body inner shell (2) arranged in the box body outer shell (1), an inner door (3) arranged on the box body inner shell (2) and an outer door (4) arranged on the box body outer shell (1), wherein a gap is formed between the inner door (3) and the outer door (4); a circuit breaker (5), an N neutral conductor (6) and a PE protection conductor (7) are arranged in the box inner shell (2), a plurality of observation windows (8) are arranged on a door plate of the inner door (3), and the observation windows (8) are respectively arranged corresponding to the circuit breaker (5), the N neutral conductor (6) and the PE protection conductor (7); be equipped with sealing device (9) between box inner shell (2) and interior door (3), sealing device (9) are including locating box inner shell (2) and interior door (3) articulated terminal surface first sealed pad (901) and locate box inner shell (2) correspond the second sealed pad (902) of interior door (3) top and bottom position department, first sealed pad (901) are inside hollow cushion, just the inside interval of first sealed pad (901) is equipped with a plurality of parallel arrangement's spring leaf (903), each the one end of spring leaf (903) is located on first sealed pad (901) keep away from on the terminal surface of one side of interior door (3), the other end with first sealed pad (901) are close to the side terminal surface contact of interior door (3).

2. Electric box with safety two-layer panel according to claim 1, characterized in that the end of the first gasket (901) close to the inside of the inner box shell (2) and close to the inner door (3) is provided with a guide surface (904), the linear shape of the section of the guide surface (904) being adapted to the shape of the spring plate (903).

3. The distribution box with the safety protection double-layer panel according to claim 1, wherein a ventilation hole (10) is formed in the box inner shell (2), the ventilation hole (10) is self-learned from the inner wall of the box inner shell (2) to extend towards the outer wall of the box outer shell (1), and a ventilation fan (11) is arranged on the ventilation hole (10).

4. Electrical distribution box with safety protection double layer panel according to claim 3, characterized in that the ventilation holes (10) provided on the inner shell (2) of the box are provided with sealing doors (12).

5. The electrical box with safety protected two-layer panel of claim 4, a moving device (13) for controlling the movement of the sealing door (12) is arranged on the side wall of the inner shell (2) of the box body, the moving device (13) comprises a base (131), a slide rail (135) arranged on the base (131), a lead screw (132) and a slide block (133) arranged on the slide rail (135), one end of the screw rod (132) is rotatably connected with one end of the base (131), the other end of the screw rod (132) sequentially penetrates through the sliding block (133) and the other end of the base (131) and is connected with a motor (134) arranged at the other end of the base (131), the screw rod (132) is in threaded connection with the sliding block (133), and the sliding block (133) slides on the sliding rail, and the bottom of the sealing door (12) is arranged on the sliding block (133).