Building electrical connection box

Abstract

The utility model provides a building electrical connection box, which relates to the technical field of connection boxes and comprises a box body, a top cover is arranged at the top of the box body, trapezoidal grooves are formed in the top of the box body and close to the centers of the two ends, trapezoidal plates are arranged in the trapezoidal grooves, and the tops of the trapezoidal plates are fixedly connected with the bottom of the top cover. Arc grooves are formed in the inner wall of the bottom of the trapezoidal groove and the bottom of the trapezoidal plate, a square plate is fixed to the position, close to the center, of the interior of the box body, a two-way screw penetrates through the center of the square plate and is rotationally connected with the center of the square plate through a bearing, and the two ends of the two-way screw are sleeved with movable plates and are in threaded connection with the movable plates. The rotating piece is rotated to drive the two-way screw to rotate, the two-way screw rotates to drive the moving plate to move, the moving plate moves to drive the extrusion plate to extrude or separate from the trapezoidal block, the effect of conveniently mounting and dismounting the top cover can be achieved, and therefore the effect of improving the mounting and dismounting efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of power connection boxes, in particular to a building electrical power connection box. Background Art

[0002] During the construction process, in order to protect and connect the joints of the wires, a junction box is generally required. The junction box is one of the electrical auxiliary materials. Because the wires pass through the wire pipe, and the junction box is used as a transition at the joints of the wires. The wire pipe is connected to the junction box, and the wires in the wire pipe are connected in the junction box, which plays a role in protecting and connecting the wires.

[0003] Existing building electrical junction boxes are usually installed by passing the wire heads through the wire holes at both ends of the junction box. Since there are many wires at the wire heads, it is troublesome to pass them through. At the same time, screws are usually used during the installation process. If an error occurs during the installation, the screws must be removed and reinstalled, which is troublesome. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that a building electrical junction box is usually installed by passing the wire heads through the wire holes at both ends of the junction box. Since there are many wires at the wire heads, it is troublesome to pass them through. At the same time, screws are usually used for installation during the installation process. If an installation error occurs, the screws must be removed and reinstalled, which is quite troublesome. The utility model proposes a building electrical junction box.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a building electrical connection box, comprising a box body, a top cover is provided on the top of the box body, a trapezoidal groove is provided on the top of the box body and near the center of both ends, a trapezoidal plate is provided inside the trapezoidal groove, the top of the trapezoidal plate is fixedly connected to the bottom of the top cover, the bottom inner wall of the trapezoidal groove and the bottom of the trapezoidal plate are provided with an arc groove, a square plate is fixed inside the box body and near the center, a two-way screw is passed through the center of the square plate and is rotatably connected to a bearing, both ends of the two-way screw are sleeved and threadedly connected with a movable plate, the top of the movable plate and near both ends are fixedly connected with an extrusion plate, vertical plates are provided on both sides of the square plate, the top of the vertical plate is fixedly connected to the bottom of the top cover, both sides of the vertical plate and near the bottom are fixedly connected with trapezoidal blocks, the hypotenuse of the trapezoidal block is adapted to the hypotenuse of the extrusion plate, and wiring pieces are fixedly connected inside the box body and near both ends.

[0006] Preferably, sealing grooves are provided on the inner wall of the trapezoidal groove and the top of the box body, and sealing gaskets are fixedly connected inside the sealing grooves. A sealing plate is provided inside the sealing groove and on the surface of the sealing gasket, and the sealing plate is fixedly connected to the bottom of the top cover and the bottom surface of the trapezoidal plate.

[0007] Preferably, a sealing arc pad is embedded in and fixedly connected to the interior of the arc groove.

[0008] Preferably, one side of each of the vertical plates is fixedly connected to a limiting plate, and the limiting plate is in contact with a side wall of the vertical plate.

[0009] Preferably, a protrusion is fixedly connected to the top of the movable plate and near the center, a limiting rod is passed through and fixedly connected to a side wall of the square plate and located above the bidirectional screw, both ends of the limiting rod pass through the protrusion and are slidably connected to it, and both ends of the limiting rod are fixedly connected to the inner wall of the box body.

[0010] Preferably, one end of the bidirectional screw is rotatably connected to a bearing on an inner wall of one side of the box body, the other end of the bidirectional screw passes through the box body and is rotatably connected to its bearing, and one end of the bidirectional screw is fixedly connected to a rotating member.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the rotating member drives the bidirectional screw to rotate, the bidirectional screw drives the moving plate to move, and the moving plate drives the extrusion plate to extrude or detach from the trapezoidal block, which can facilitate the installation and disassembly of the top cover, thereby achieving the effect of improving the installation and disassembly efficiency.

[0013] 2. In the utility model, by placing the wire directly into the arc sealing pad in the arc groove, after covering the top cover, the surface of the wire will be embedded in the arc groove on the trapezoidal plate, which can achieve the effect of installing the wire head through the installation hole, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a building electrical junction box;

[0015] Figure 2 The utility model provides a sectional view of the overall structure of a building electrical junction box;

[0016] Figure 3 The utility model provides a three-dimensional diagram of the internal structure of a building electrical junction box;

[0017] Figure 4 The utility model provides a three-dimensional diagram of the top cover structure of a building electrical connection box;

[0018] Figure 5 The utility model provides a partial structural stereogram of a building electrical junction box.

[0019] Legend: 1. Box body; 2. Top cover; 3. Trapezoidal groove; 4. Trapezoidal plate; 5. Sealing plate; 6. Sealing groove; 7. Sealing gasket; 8. Arc groove; 9. Sealing arc gasket; 10. Square plate; 11. Limiting plate; 12. Bidirectional screw; 13. Limiting rod; 14. Bump; 15. Moving plate; 16. Extrusion plate; 17. Rotating piece; 18. Vertical plate; 19. Trapezoidal block; 20. Wiring piece. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-5 As shown, the utility model provides a building electrical connection box, including a box body 1, a top cover 2 is provided on the top of the box body 1, a trapezoidal groove 3 is provided on the top of the box body 1 and near the center of both ends, a trapezoidal plate 4 is provided inside the trapezoidal groove 3, the top of the trapezoidal plate 4 is fixedly connected to the bottom of the top cover 2, an arc groove 8 is provided on the bottom inner wall of the trapezoidal groove 3 and the bottom of the trapezoidal plate 4, a square plate 10 is fixed inside the box body 1 and near the center, and the center of the square plate 10 penetrates and is rotatably connected to the bearing There is a bidirectional screw 12, both ends of the bidirectional screw 12 are sleeved and threadedly connected with a moving plate 15, the top of the moving plate 15 and near both ends are fixedly connected with an extrusion plate 16, both sides of the square plate 10 are provided with vertical plates 18, the top of the vertical plate 18 is fixedly connected to the bottom of the top cover 2, both sides of the vertical plate 18 and near the bottom are fixedly connected with a trapezoidal block 19, the hypotenuse of the trapezoidal block 19 is adapted to the hypotenuse of the extrusion plate 16, and the inside of the box body 1 and near both ends are fixedly connected with a wiring piece 20.

[0023] The effect achieved by the entire embodiment 1 is that a top cover 2 is provided on the top of the box body 1, a trapezoidal groove 3 is provided on the top of the box body 1 and near the center of both ends, a trapezoidal plate 4 is provided inside the trapezoidal groove 3, the top of the trapezoidal plate 4 is fixedly connected to the bottom of the top cover 2, the bottom inner wall of the trapezoidal groove 3 and the bottom of the trapezoidal plate 4 are provided with an arc groove 8, which can directly place the surface of the wire into the arc groove 8 to install the wiring head, and at the same time, after the installation is completed, the top cover 2 can be covered, a square plate 10 is fixed through the inside of the box body 1 and near the center, a bidirectional screw 12 is passed through the center of the square plate 10 and is rotatably connected to the bearing, and both ends of the bidirectional screw 12 are sleeved and threadedly connected with a movable plate 15, the top of the movable plate 15 and near both ends are fixedly connected with an extrusion plate 16, both sides of the square plate 10 are provided with a vertical plate 18, the top of the vertical plate 18 is fixedly connected to the bottom of the top cover 2, both sides of the vertical plate 18 and near the bottom are fixedly connected with a trapezoidal block 19, the hypotenuse of the trapezoidal block 19 is adapted to the hypotenuse of the extrusion plate 16, which can make the two-way screw 12 rotate to drive the movable plates 15 at both ends to move, the movement of the movable plate 15 drives the extrusion plates 16 at both ends to move, and the extrusion plates 16 move downward to squeeze the trapezoidal blocks 19, so that the top cover 2 can be closely attached to the top of the box body 1, and the wiring pieces 20 are fixedly connected through the inside of the box body 1 and near both ends, which can play the effect of connecting the electric head.

[0024] Embodiment 2, as Figure 1-5 As shown, a sealing groove 6 is provided on the inner wall of the trapezoidal groove 3 and the top of the box body 1, and a sealing gasket 7 is fixedly connected inside the sealing groove 6. A sealing plate 5 is provided inside the sealing groove 6 and on the surface of the sealing gasket 7, and the sealing plate 5 is fixedly connected to the bottom of the top cover 2 and the bottom surface of the trapezoidal plate 4; a sealing arc gasket 9 is embedded and fixedly connected inside the arc groove 8; a limiting plate 11 is fixedly connected to one side of the vertical plate 18, and the limiting plate 11 is attached to one side wall of the vertical plate 18; a convex block 14 is fixedly connected to the top and near the center of the movable plate 15, and a limiting rod 13 is passed through and fixedly connected to a side wall of the square plate 10 and is located above the bidirectional screw 12, and both ends of the limiting rod 13 pass through the convex block 14 and are slidably connected thereto, and both ends of the limiting rod 13 are fixedly connected to the inner wall of the box body 1; one end of the bidirectional screw 12 is rotatably connected to a bearing on one side inner wall of the box body 1, and the other end of the bidirectional screw 12 passes through the box body 1 and is rotatably connected to its bearing, and one end of the bidirectional screw 12 is fixedly connected to a rotating member 17.

[0025] The effect achieved by the entire embodiment 2 is that a sealing groove 6 is opened through the inner wall of the trapezoidal groove 3 and the top of the box body 1, and a sealing gasket 7 is fixedly connected inside the sealing groove 6. A sealing plate 5 is provided inside the sealing groove 6 and on the surface of the sealing gasket 7. The sealing plate 5 is fixedly connected to the bottom of the top cover 2 and the bottom surface of the trapezoidal plate 4, which can make the sealing plate 5 embed into the sealing groove 6 and squeeze the sealing gasket 7, thereby improving the sealing effect between the top cover 2 and the box body 1; the sealing arc gasket 9 is embedded and fixedly connected inside the arc groove 8, which can improve the sealing effect between the surface of the wire and the box body 1 and the top cover 2; a limiting plate 11 is fixedly connected to one side of the vertical plate 18, and the limiting plate 11 is connected to one side of the vertical plate 18 The side walls are in contact with each other, which can play the effect of positioning the vertical plate 18; a protrusion 14 is fixedly connected through the top of the movable plate 15 and near the center; a side wall of the square plate 10 and located above the bidirectional screw 12 passes through and is fixedly connected to a limiting rod 13, both ends of the limiting rod 13 pass through the protrusion 14 and are slidably connected thereto, and both ends of the limiting rod 13 are fixedly connected to the inner wall of the box body 1, which can play the effect of limiting the movable plate 15; one end of the bidirectional screw 12 is rotatably connected to a bearing of an inner wall of one side of the box body 1, the other end of the bidirectional screw 12 passes through the box body 1 and is rotatably connected to its bearing, and one end of the bidirectional screw 12 is fixedly connected to a rotating piece 17, which can make the rotating piece 17 convenient for rotating the bidirectional screw 12.

[0026] Working principle: by embedding the surface of the wire into the sealing arc pad 9 inside the arc groove 8, then by installing the wire head and the terminal 20 to each other, then by covering the top cover 2, and at the same time embedding the sealing plate 5 into the sealing groove 6, then by rotating the rotating piece 17 to drive the bidirectional screw 12 to rotate, the rotation of the bidirectional screw 12 drives the moving plate 15 to move, the movement of the moving plate 15 drives the extrusion plate 16 to squeeze the trapezoidal block 19 downward, which can make the top cover 2 close to the top of the box body 1, thereby facilitating the installation of the top cover 2. When you want to disassemble it, you only need to rotate the rotating piece 17 in the opposite direction, which can improve the efficiency of installation and disassembly.

[0027] The wiring diagram of the terminal block 20 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the terminal block 20 are not explained in detail.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A building electrical connection box, comprising a box body (1), characterized in that: The top of the box body (1) is provided with a top cover (2), the top of the box body (1) and near the center of both ends are provided with trapezoidal grooves (3), the inside of the trapezoidal grooves (3) are provided with trapezoidal plates (4), the top of the trapezoidal plates (4) are fixedly connected to the bottom of the top cover (2), the bottom inner wall of the trapezoidal groove (3) and the bottom of the trapezoidal plate (4) are provided with arc grooves (8), the inside of the box body (1) and near the center is fixed with a square plate (10), the center of the square plate (10) is penetrated by a bidirectional screw (12) and is rotatably connected to the bearing, and the bidirectional screw Both ends of the rod (12) are sleeved with and threadedly connected with a movable plate (15), and the top of the movable plate (15) and near both ends are fixedly connected with an extrusion plate (16), and both sides of the square plate (10) are provided with a vertical plate (18), and the top of the vertical plate (18) is fixedly connected to the bottom of the top cover (2), and both sides of the vertical plate (18) and near the bottom are fixedly connected with a trapezoidal block (19), and the hypotenuse of the trapezoidal block (19) is matched with the hypotenuse of the extrusion plate (16), and the inside of the box body (1) and near both ends are fixedly connected with a wiring member (20).

2. A building electrical junction box according to claim 1, characterized in that: The inner wall of the trapezoidal groove (3) and the top of the box body (1) are both provided with a sealing groove (6), the interior of the sealing groove (6) is fixedly connected with a sealing gasket (7), the interior of the sealing groove (6) and a sealing plate (5) is provided on the surface of the sealing gasket (7), and the sealing plate (5) is fixedly connected to the bottom of the top cover (2) and the bottom surface of the trapezoidal plate (4).

3. A building electrical junction box according to claim 1, characterized in that: The arc grooves (8) are all embedded with sealing arc pads (9) and fixedly connected thereto.

4. A building electrical junction box according to claim 1, characterized in that: One side of the vertical plate (18) is fixedly connected to a limiting plate (11), and the limiting plate (11) is in contact with a side wall of the vertical plate (18).

5. A building electrical junction box according to claim 1, characterized in that: A protrusion (14) is fixedly connected to the top and near the center of the movable plate (15); a limiting rod (13) is passed through and fixedly connected to a side wall of the square plate (10) and is located above the bidirectional screw (12); both ends of the limiting rod (13) pass through the protrusion (14) and are slidably connected thereto; and both ends of the limiting rod (13) are fixedly connected to the inner wall of the box body (1).

6. A building electrical junction box according to claim 1, characterized in that: One end of the bidirectional screw (12) is rotatably connected to a bearing on the inner wall of one side of the box body (1), the other end of the bidirectional screw (12) passes through the box body (1) and is rotatably connected to its bearing, and one end of the bidirectional screw (12) is fixedly connected to a rotating member (17).

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