Anti-electromagnetic interference junction box

Abstract

The utility model belongs to the technical field of junction boxes, and particularly discloses an anti-electromagnetic interference junction box which comprises a box body and a sealing cover, a hinge is arranged between the box body and the sealing cover for hinge connection, a widened frame is arranged on the end face of one side, close to the box body, of the sealing cover, and a pressing type hasp is arranged on the side face, away from the hinge, of the box body. A plurality of limiting columns are arranged at the position, close to the side wall, of the bottom end in the box body, screws are installed in the limiting columns to fix an installation plate, wire partition plates are arranged on the upper end face of the installation plate at intervals, and binding posts are fixedly arranged between the wire partition plates. Wire inlet sleeves are arranged on two opposite side surfaces of the box body, each wire inlet sleeve comprises a columnar rubber sleeve arranged on the outer side, a rubber ring is arranged on the inner wall of each rubber sleeve, grounding studs are symmetrically arranged on two inner side walls, not provided with the wire inlet sleeves, of the box body, and shielding plates are mounted on the peripheral side walls of the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a junction box capable of resisting electromagnetic interference. Background Art

[0002] The junction box is one of the electrical auxiliary materials, because the wires used for decoration pass through the wire tube, and the junction box is used as a transition at the joint of the wires (for example, the line is relatively long, or the wire tube needs to turn a corner). The wire tube is connected to the junction box, and the wires in the wire tube are connected in the junction box, which plays the role of protecting the wires and connecting the wires. This is the junction box; the existing junction box lacks anti-interference function. Since the junction box is greatly interfered by electromagnetic influences in the working environment, the normal operation of the circuit is affected, and it is difficult to ensure the working stability and safety of the junction box. Utility Model Content

[0003] The purpose of the utility model is to provide a junction box that is resistant to electromagnetic interference, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electromagnetic interference-resistant junction box, comprising a box body and a sealing cover, a hinge connection is arranged between the box body and the sealing cover, a widened frame is arranged on one end face of the sealing cover close to the box body, a push-type buckle is arranged on the side of the box body away from the hinge, the top of the buckle is clamped with the upper end face of the widened groove of the sealing cover, a plurality of limit columns are arranged near the side wall at the bottom end of the box body, screws are installed in the limit columns to fix the mounting plate, wire partitions are arranged at intervals on the upper end face of the mounting plate, wiring posts are fixedly arranged between the wire partitions, line inlet sleeves are arranged on opposite sides of the box body, the line inlet sleeves include a columnar rubber sleeve arranged on the outside, a rubber ring is arranged on the inner wall of the rubber sleeve, grounding studs are symmetrically arranged on the two inner side walls of the box body where the line inlet sleeves are not arranged, and shielding plates are installed on the surrounding side walls of the box body.

[0005] Preferably, a convex strip is arranged on the front end surface of the box body, and a groove is arranged on the end surface of the box body adjacent to the widened frame of the sealing cover, and the groove is arranged corresponding to the convex strip.

[0006] Preferably, a sealing strip is embedded in the groove and is made of elastic rubber material.

[0007] Preferably, fixing plates are provided at the corners around the bottom of the box body, and slots are provided on the fixing plates.

[0008] Preferably, the shielding plate is an aluminum plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides an aluminum shielding plate to give priority to electromagnetic shielding and absorption of electromagnetic waves, has a comprehensive electromagnetic shielding effect, and is convenient for people to use; by providing an inlet sleeve, the cable entry and exit parts can be better protected; the rubber ring in the inlet sleeve fits tightly between the cables, thereby reducing the interval between the cable entry and exit, ensuring the overall sealing effect, and preventing external dust from entering the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a side view of the utility model;

[0012] Figure 3 It is a structural schematic diagram of the parts box body of the utility model;

[0013] Figure 4 It is a cross-sectional view of the wire inlet sleeve of the utility model.

[0014] In the figure: 1, box body; 101, convex strip; 102, limit column; 2, sealing cover; 201, widened frame; 202, groove; 3, hinge; 4, wire entry sleeve; 41, rubber sleeve; 42, rubber ring; 5, fixing plate; 6, buckle; 7, mounting plate; 8, grounding stud; 9, wire partition; 10, terminal; 11, shielding plate; 12, sealing strip. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-4 The utility model provides a technical solution: an anti-electromagnetic interference junction box, comprising a box body 1 and a sealing cover 2, wherein a hinge 3 is arranged between the box body 1 and the sealing cover 2, a widening frame 201 is arranged on the end face of one side of the sealing cover 2 close to the box body 1, a push-type buckle 6 is arranged on the side of the box body 1 away from the hinge 3, and the top of the buckle 6 is clamped with the upper end face of the widened groove of the sealing cover 2, and a plurality of limit columns 102 are arranged near the side wall at the bottom end of the box body 1, and the limit columns The mounting plate 7 is fixed by mounting screws in 102, and the upper end surface of the mounting plate 7 is spaced apart with wire partitions 9, and the wiring posts 10 are fixedly arranged between the wire partitions 9. The opposite sides of the box body 1 are provided with line inlet sleeves 4, and the line inlet sleeves 4 include a columnar rubber sleeve 41 arranged on the outside, and a rubber ring 42 is arranged on the inner wall of the rubber sleeve 41. Grounding studs 8 are symmetrically arranged on the two inner side walls of the box body 1 where the line inlet sleeve 4 is not arranged, and shielding plates 11 are installed on the surrounding side walls of the box body 1.

[0019] Furthermore, a convex strip 101 is provided on the front end surface of the box body 1 , and a groove 202 is provided on the end surface of the widened frame 201 of the sealing cover 2 adjacent to the box body 1 , and the groove 202 is provided corresponding to the convex strip 101 .

[0020] Furthermore, a sealing strip 12 is embedded in the groove 202 and is made of elastic rubber material.

[0021] Furthermore, fixing plates 5 are provided at the corners around the bottom of the box body 1 , and slots are formed on the fixing plates 5 .

[0022] Furthermore, the shielding plate 11 is an aluminum plate.

[0023] Working principle: The utility model provides a junction box for anti-electromagnetic interference, including a box body 1 and a sealing cover 2, wherein a hinge 3 is arranged between the box body 1 and the sealing cover 2, a widened frame 201 is arranged on one end face of the sealing cover 2 close to the box body 1, a push-type buckle 6 is arranged on the side of the box body 1 away from the hinge 3, and the top of the buckle 6 is clamped with the upper end face of the widened groove of the sealing cover 2, a plurality of limiting columns 102 are arranged near the side wall at the bottom end of the box body 1, a mounting plate 7 is fixed with screws in the limiting columns 102, a wire partition 9 is arranged at intervals on the upper end face of the mounting plate 7, a terminal 10 is fixedly arranged between the wire partitions 9, and a wire inlet sleeve 4 is arranged on the opposite sides of the box body 1, and the wire inlet sleeve 4 includes a columnar rubber sleeve arranged on the outside. A rubber sleeve 41 is provided with a rubber ring 42 on the inner wall of the rubber sleeve 41. Grounding studs 8 are symmetrically provided on the two inner side walls of the box body 1 where the wire inlet sleeve 4 is not provided. Shielding plates 11 are installed on the four side walls of the box body 1. When in use, the box body 1 is installed and fixed at the position where it needs to be set, and is fixed by setting screws in the slots of the fixing plate 5. Then the cables to be connected pass through the wire inlet sleeve 4 into the box body 1. When there are many cables, they are sorted with the aid of wire partitions 9. One end of the cable is fixed on the terminal 10, and the ground wire of the cable is connected to the grounding stud 8 in the box body 1. After fixing, the sealing cover 2 is closed, and the convex strip 101 on the end face of the box body 1 is embedded in the groove 202 of the sealing cover 2, and the top of the buckle 6 on one side is clamped on the widened frame 201 of the sealing cover 2.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A junction box for anti-electromagnetic interference, characterized in that: The invention comprises a box body (1) and a sealing cover (2), wherein a hinge (3) is arranged between the box body (1) and the sealing cover (2), a widening frame (201) is arranged on the end face of one side of the sealing cover (2) close to the box body (1), a push-type buckle (6) is arranged on the side face of the box body (1) away from the hinge (3), the top end of the buckle (6) is clamped with the upper end face of the widened groove (2) of the sealing cover (2), a plurality of limiting columns (102) are arranged on the bottom end of the box body (1) close to the side wall, and screws are installed in the limiting columns (102) to fix the mounting plate (7), the upper end surface of the mounting plate (7) is provided with a wire partition (9) at intervals, and a terminal (10) is fixedly provided between the wire partitions (9), and an inlet sleeve (4) is provided on two opposite side surfaces of the box body (1), and the inlet sleeve (4) includes a columnar rubber sleeve (41) provided on the outside, and a rubber ring (42) is provided on the inner wall of the rubber sleeve (41), and grounding studs (8) are symmetrically provided on the two inner side walls of the box body (1) where the inlet sleeve (4) is not provided, and shielding plates (11) are installed on the four side walls of the box body (1).

2. The anti-electromagnetic interference junction box according to claim 1, characterized in that: A convex strip (101) is arranged on the front end surface of the box body (1), and a groove (202) is arranged on the widened frame (201) of the sealing cover (2) adjacent to the end surface of the box body (1), and the groove (202) is arranged corresponding to the convex strip (101).

3. The anti-electromagnetic interference junction box according to claim 2, characterized in that: A sealing strip (12) is embedded and installed in the groove (202), and the sealing strip (12) is made of elastic rubber material.

4. The anti-electromagnetic interference junction box according to claim 1, characterized in that: Fixed plates (5) are arranged at the corners around the bottom of the box body (1), and slots are formed on the fixed plates (5).

5. The anti-electromagnetic interference junction box according to claim 1, characterized in that: The shielding plate (11) is an aluminum plate.

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