Supporting water-blocking power supply junction box structure

Abstract

The utility model discloses a supporting water-blocking power supply junction box structure, comprising an outer box and an inner box, the top of the outer box is provided with a box cover, and the bottom surface of the box cover is bonded with a water-blocking sealing ring; according to the utility model, the outer box, the box cover and the inner box are adopted to form the isolated waterproof power supply junction box, the inner box is arranged in the outer box, so that the inner box is in contact with the moisture absorption shell, and the inner box is positioned in the middle of the outer box through the positioning strips on the left side and the right side of the inner box; a water-blocking sealing ring with a notch on the box cover is in close contact with a port of the inner box, water penetrating through a connecting gap between the outer box and the box cover directly enters a cavity between the outer box and the box cover and is drained to the outer side through a draining hole formed in the bottom face of the outer box, at the moment, water vapor remaining in the cavity of the outer box and the box cover is absorbed through a drying agent arranged in a moisture absorption shell, and the water vapor is drained to the outer side through a water draining hole formed in the bottom face of the outer box. A double-layer junction box structure is adopted, and the arrangement of the draining holes and the moisture absorption shell is combined, so that long-acting water resistance and moisture absorption of the junction box are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic product protection field especially, relate to support water resistance power supply terminal box structure. BACKGROUND

[0002] At present, power supply terminal box is generally divided into indoor and outdoor two kinds of applications, and the higher requirement in the two kinds of applications is the terminal box for outdoor use, must have certain weather resistance in outdoor use, and the waterproof is the most important in these weather resistance, must guarantee the dryness of the line source in the terminal box.

[0003] But the terminal box does not have the special design production and use outdoor product because of the characteristic of outdoor, thus can cause the short circuit or the open circuit of power supply due to long time contact rainwater, and further brings the unpredictable loss to the user.

[0004] Therefore, support water resistance power supply terminal box structure is provided, has the advantages of isolation waterproof, indirect moisture absorption, and further solves the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a support water resistance power supply terminal box structure to solve the shortcomings in the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: support water resistance power supply terminal box structure, including the outer box and the inner box, the top of outer box is provided with the box cover, and the bottom surface of box cover is bonded with the water resistance sealing ring, the inner bottom of outer box is fixed with the moisture absorption shell, and the top of moisture absorption shell is connected with the inner box, the left and right sides of inner box are provided with the positioning strip that meets the inner wall of outer box, and the inside of inner box is installed with the inner source box and the wire placement board gradually from left to right, and the bottom of inner box is connected with the terminal shell, the side of outer box is provided with a plurality of lead holes that set up corresponding terminal shell, the bottom surface of outer box is provided with two groups of drain holes that set up rectangular array, the water resistance sealing ring of box cover is in contact with the port of inner box.

[0007] As the further description of the above technical scheme: the top of wire placement board is fixed with two rows of winding columns, and the lower portion of wire placement board is provided with the communication port that is connected with the terminal shell.

[0008] As the further description of the above technical scheme: the one side of inner source box towards wire placement board is provided with the terminal hole, the inside of inner source box is provided with the power circuit board, and the wire of power circuit board extends to the outside of inner source box through the terminal hole.

[0009] As the further description of the above technical scheme: the upper portion side of outer box is integrally formed with the mounting block, the side of box cover is provided with the mounting lug corresponding the mounting block, and the screw is installed between mounting lug and mounting block.

[0010] As the further description of the above technical scheme: the top surface of the moisture absorption shell is provided with an opening, and a desiccant is arranged in the moisture absorption shell, and moisture absorption holes are arranged on the left and right sides of the moisture absorption shell.

[0011] As the further description of the above technical scheme: the one end of the wiring shell towards the lead hole is provided with an opening, and the one end of the wiring shell with the opening is in contact with the inner wall of the outer box.

[0012] As the further description of the above technical scheme: the water blocking sealing ring is in a rectangular structure as a whole, and the bottom surface of the water blocking sealing ring is provided with a notch.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] In the utility model, the inner box is arranged in the outer box, so that the inner box is in contact with the moisture absorption shell, and the positioning strips on the left and right sides of the inner box make the inner box be located at the central position of the outer box. When the box cover is combined with the outer box, the water blocking sealing ring with the notch on the box cover is in close contact with the port of the inner box. The water passing through the gap between the outer box and the box cover directly enters the cavity between the outer box and the inner box, and is discharged to the outside through the water draining hole arranged on the bottom surface of the outer box. At this time, the water vapor remaining in the cavity of the outer box and the box cover is absorbed by the desiccant arranged in the moisture absorption shell. The double-layer wiring box structure, in combination with the arrangement of the water draining hole and the moisture absorption shell, is beneficial to long-term water blocking and moisture absorption of the wiring box.

[0015] In the utility model, the wiring shell and the wire arranging plate with a plurality of winding columns are arranged on the inner box. The plurality of winding columns arranged on the wire arranging plate are used to easily wind the excess wires of the inner source box or the excess wires inserted from the outside in a snakelike structure on the winding columns, so as to increase the beauty of the exposed arrangement in the wiring box and facilitate the later maintenance. The wiring shell corresponding to the lead hole is arranged on the bottom of the inner box in combination with the arrangement of the communication port, so as to easily hide the inner box and the wires outside, and to reduce the penetration of water vapor into the inner box and the corrosion of water vapor to the wires to the greatest extent, thereby improving the waterproof performance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the support water blocking power supply wiring box structure of the utility model;

[0017] Figure 2 It is a schematic view of the internal structure of the outer box, the box cover and the inner box;

[0018] Figure 3 It is a schematic view of the structure of the inner box;

[0019] Figure 4 It is a top view of the outer box.

[0020] LEGEND:

[0021] 1, outer box; 2, box cover; 3, mounting block; 4, mounting ear; 5, lead hole; 6, inner box; 7, positioning strip; 8, inner source box; 9, water blocking seal ring; 10, wire placement plate; 11, moisture absorption shell; 12, drainage hole; 13, moisture absorption hole; 14, wire shell; 15, communication port; 16, winding column; 17, wire hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] According to the embodiments of the utility model, a support water blocking power supply junction box structure is provided.

[0024] The utility model will be further described in combination with the drawings and specific embodiments, as shown in the drawings, Figures 1-4 The support water blocking power supply junction box structure according to the embodiments of the utility model includes an outer box 1 and an inner box 6, the top of the outer box 1 is provided with a box cover 2, the bottom surface of the box cover 2 is bonded with a water blocking seal ring 9, the inner bottom of the outer box 1 is fixed with a moisture absorption shell 11, the top of the moisture absorption shell 11 is connected with the inner box 6 in a fit manner, the left and right sides of the inner box 6 are respectively provided with positioning strips 7 connected with the inner wall of the outer box 1, the inside of the inner box 6 is sequentially provided with an inner source box 8 and a wire placement plate 10 from left to right, and the bottom of the inner box 6 is communicated with a wire shell 14, a plurality of lead holes 5 are formed in the side of the outer box 1 corresponding to the wire shell 14, two groups of drainage holes 12 are formed in the bottom of the outer box 1 in a rectangular array, and the water blocking seal ring 9 of the box cover 2 abuts against the port of the inner box 6, wherein, a cavity for water blocking is formed between the outer box 1 and the inner box 6.

[0025] In one embodiment, the top surface of the wire placement plate 10 is fixed with two rows of winding columns 16, and the lower part of the wire placement plate 10 is provided with a communication port 15 communicated with the wire shell 14, the arrangement of the winding columns 16 facilitates the arrangement of the wires and increases the aesthetic appearance, the arrangement of the communication port 15 facilitates the hiding of the wires in the wire shell 14, reduces the penetration of water vapor into the inner box 6 and the corrosion of the wires, and differs from the prior art, the two rows of winding columns 16 are arranged in an isosceles trapezoidal structure, which is conducive to expanding the winding length of the wires.

[0026] In one embodiment, one side of the inner source box 8 facing the wire placement plate 10 is provided with a wire hole 17, the inner source box 8 is provided with a power circuit board inside, and the wires of the power circuit board extend to the outside of the inner source box 8 through the wire hole 17, and this structure facilitates wiring.

[0027] In one embodiment, the upper side of the outer box 1 is integrally formed with a mounting block 3, the side of the box cover 2 is provided with a mounting lug 4 corresponding to the mounting block 3, and a screw is mounted between the mounting lug 4 and the mounting block 3. With this structure, the box cover 2 is easy to install.

[0028] In one embodiment, the top surface of the moisture absorption shell 11 is provided with an opening, and a desiccant is mounted in the moisture absorption shell 11, and the left and right sides of the moisture absorption shell 11 are respectively provided with moisture absorption holes 13. With this structure, it is easy to absorb water vapor and easy to replace the desiccant later.

[0029] In one embodiment, the wire shell 14 is provided with an opening at one end facing the lead hole 5, and the end of the wire shell 14 with the opening is in contact with the inner wall of the outer box 1. With this structure, the lead wire is easy to pass through.

[0030] In one embodiment, the water-blocking sealing ring 9 is in a rectangular structure as a whole, and the bottom surface of the water-blocking sealing ring 9 is provided with a notch. With this structure, the port connection of the inner box 6 in the water-blocking sealing ring 9 is more tightly connected, and the water-blocking effect is good.

[0031] Working principle:

[0032] In use, the inner box 6 is placed in the outer box 1, so that the inner box 6 is in contact with the moisture absorption shell 11, and the positioning strips 7 on the left and right sides of the inner box 6 are located in the central position of the outer box 1. When the box cover 2 is combined with the outer box 1, the water-blocking sealing ring 9 with a notch on the box cover 2 is in close contact with the port of the inner box 6, and the water passing through the gap between the outer box 1 and the box cover 2 enters the cavity between the outer box 1 and the inner box 6, and is discharged to the outside through the water drainage hole 12 provided at the bottom of the outer box 1. At this time, the water vapor remaining in the cavities of the outer box 1 and the box cover 2 is absorbed by the desiccant built-in the moisture absorption shell 11, and the excess lead wire of the inner source box 8 or the excess lead wire inserted from the outside is wound on the winding column 16 in a snakelike structure through the setting of the winding column 16 on the wire placement plate 10, which increases the beauty of the exposed arrangement in the terminal box and is easy to maintain later. By providing the wire shell 14 corresponding to the lead hole 5 at the bottom of the inner box 6, and combining the setting of the communication port 15, the hidden type of the inner box 6 and the outside lead wire is easy to pass through, which greatly reduces the penetration of water vapor into the inner box 6 and the corrosion of water vapor to the lead wire.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A support waterproof power supply junction box structure comprising an outer box (1) and an inner box (6), characterized in that: The top of the outer box (1) is provided with a box cover (2), and the bottom surface of the box cover (2) is bonded with a water-blocking sealing ring (9); the inner side bottom of the outer box (1) is fixed with a moisture absorption shell (11), and the top of the moisture absorption shell (11) is connected with an inner box (6) in a fit manner; the left and right sides of the inner box (6) are respectively provided with positioning strips (7) in contact with the inner walls of the outer box (1); the inside of the inner box (6) is sequentially installed with an inner source box (8) and a wire placing plate (10) from left to right; the bottom of the inner box (6) is communicated with a wire connecting shell (14); the side surface of the outer box (1) is provided with a plurality of lead holes (5) corresponding to the wire connecting shell (14); the bottom surface of the outer box (1) is provided with two groups of water drainage holes (12) in a rectangular array; and the water-blocking sealing ring (9) of the box cover (2) is in abutment with the port of the inner box (6).

2. The support and water-blocking power enclosure structure of claim 1, wherein: The top surface of the wire placing plate (10) is fixed with two rows of wire winding columns (16), and the lower portion of the wire placing plate (10) is provided with a communication port (15) in communication with the wire connecting shell (14).

3. The support and water-blocking power enclosure structure of claim 1, wherein: The inner source box (8) is provided with a wire hole (17) on the side facing the wire placing plate (10); the inner source box (8) is internally provided with a power supply circuit board, and the wires of the power supply circuit board extend to the outside of the inner source box (8) through the wire hole (17).

4. The support and water-blocking power enclosure structure of claim 1, wherein: The upper side surface of the outer box (1) is integrally formed with a mounting block (3); the side surface of the box cover (2) is provided with a mounting lug (4) corresponding to the mounting block (3); and a screw is mounted between the mounting lug (4) and the mounting block (3).

5. The support and water-blocking power enclosure structure of claim 1, wherein: The top surface of the moisture absorption shell (11) is provided with an open mouth; the moisture absorption shell (11) is internally mounted with a drying agent; and the left and right sides of the moisture absorption shell (11) are respectively provided with moisture absorption holes (13).

6. The support and water-blocking power enclosure structure of claim 1, wherein: The wire connecting shell (14) is provided with an opening at one end facing the lead hole (5); and the end of the wire connecting shell (14) with the opening is in contact with the inner wall of the outer box (1).

7. The support and water-blocking power enclosure structure of claim 1, wherein: The water-blocking sealing ring (9) has a whole rectangular structure; and the bottom surface of the water-blocking sealing ring (9) is provided with a notch.

Images