Power supply switching junction box

Abstract

The utility model discloses a power supply switching junction box, and relates to the junction box field, the inner bottom end of an outer shell is fixedly connected with a wiring assembly, the inner side of the wiring assembly is provided with a power-off device, the power-off device comprises a wiring column slidably connected to the inner bottom end of the outer shell, the inner side of the wiring column is fixedly connected with a copper wire column, and the inner side of the copper wire column is provided with a power-off switch. Sliding rails are fixedly connected to the edges of the two ends of the wire connecting column, a connecting column barrel is fixedly connected to the middle of the upper portion of the wire connecting column, a plurality of reset springs are fixedly connected to the inner side of the connecting column barrel, U-shaped limiting blocks are fixedly connected to the other ends of the reset springs, and the outer side surfaces of column bodies at the two ends of the U-shaped limiting blocks are slidably connected with the inner side surfaces of the two ends of the connecting column barrel. One end of the connecting column cylinder is fixedly connected with a side plate, the other end of the side plate is fixedly connected with an auxiliary spring, the other end of the auxiliary spring is fixedly connected with the inner side of the outer shell, and the design solves the problems that the junction box is difficult to power off quickly, and the safety and reliability are affected due to the fact that wires are easy to fall off.

Description

Technical Field

[0001] The utility model relates to the field of junction boxes, in particular to a power supply transfer junction box. Background Art

[0002] The junction box is one of the electrical auxiliary materials. In power supply work, if the line is relatively long and the wire tube needs to turn a corner, a junction box is needed as a transition and wiring. The wire tube is connected to the junction box, and the wires in the wire tube are connected in the junction box, which plays a role in protecting and connecting the wires. During the use of the existing power supply transfer junction box, it is difficult to quickly cut off the power, which affects the safety of the junction box. At the same time, there is a situation where the junction box is used for too long and the wires are easy to fall off, affecting the reliability of the junction box. Utility Model Content

[0003] In order to solve the above technical problems, a power supply transfer junction box is provided. This technical solution solves the problems raised in the above background technology that it is difficult to quickly cut off the power and the wires are easy to fall off, affecting safety and reliability.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A power supply transfer junction box comprises an outer shell, a wiring assembly is fixedly connected to the inner bottom end of the outer shell, and a power-off device is arranged inside the wiring assembly;

[0006] The wiring assembly includes a fixed base fixedly connected to the bottom end of the inner part of the outer shell, an insulating column fixedly connected to the inner side of the fixed base, a wiring copper column fixedly connected to the inner side of the insulating column, a top plate fixedly connected to the upper side of the insulating column, a threaded screw rod rotatably connected to the inner side of the top plate, a control knob fixedly connected to the upper end of the threaded screw rod, a fixed push plate threadedly connected to the outer side of the threaded screw rod, fixed springs fixedly connected to the lower sides of the fixed push plate, and the other end of the fixed spring is fixedly connected to the upper side of the inner bottom end of the outer shell;

[0007] Preferably, the power-off device includes a connecting column slidably connected to the bottom end of the inner part of the outer shell, a copper wire column is fixedly connected to the inner side of the connecting column, sliding rails are fixedly connected to the edges of both ends of the connecting column, a connecting column tube is fixedly connected to the upper middle part of the connecting column, a plurality of reset springs are fixedly connected to the inner side of the connecting column tube, the other end of the reset spring is fixedly connected to a U-shaped limit block, the outer surface of the column at both ends of the U-shaped limit block is slidably connected to the inner surface of the two ends of the connecting column tube, one end of the connecting column tube is fixedly connected to a side plate, the other end of the side plate is fixedly connected to an auxiliary spring, and the other end of the auxiliary spring is fixedly connected to the inner side of the outer shell.

[0008] Preferably, a wiring port is provided on the outer side of the outer shell, a cover body is connected to the top of the outer shell by bolts, an opening matching the shape of the top plate is provided on the cover body, and the outer surface of the connecting column is slidably connected to the inner surface of the lateral opening of the outer shell.

[0009] Preferably, a fixing plate is fixedly connected to the inner side of the outer shell, a plurality of openings are provided at the bottom end of the fixing plate, and the upper side of the right end of the U-shaped limiting block matches the shape of the opening on the fixing plate.

[0010] Preferably, the outer surface of the insulating column is slidably connected to the inner side of the fixed push plate, a guide column is fixedly connected between the top plate and the outer shell, and the outer surface of the guide column is slidably connected to the inner side of the fixed push plate.

[0011] Preferably, the bottom outer end of the wiring copper column passes through the bottom outer side of the fixed base, the bottom outer end of the wiring copper column is consistent with the shape of the copper wire column, and the outer surface of the sliding track is slidably connected to the outer surface of the fixed base.

[0012] Compared with the prior art, the utility model provides a power supply transfer junction box, which has the following beneficial effects:

[0013] The utility model is provided with a wiring assembly, and the fixed push plate can be driven by twisting the control knob to fix and limit the wiring at the connection at the notch of the wiring copper column. At the same time, the position of the fixed push plate can be limited by a fixed spring to ensure that the wire will not loosen and fall off.

[0014] The utility model is provided with a power-off device, which releases the limit of the fixing plate on the connecting column and the U-shaped limit block by pressing down the U-shaped limit block, thereby adjusting whether the copper wire column and the lower outer end of the wiring copper column are connected, and further controlling the opening and closing of the circuit, and the reset spring and the auxiliary spring can facilitate the rapid reset of the connecting column and the U-shaped limit block, thereby improving the stability and safety of the junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 for Figure 2 Sectional view at AA in the middle;

[0018] Figure 4 It is a schematic diagram of the internal parts of the utility model;

[0019] Figure 5 It is a three-dimensional diagram of the internal parts of the utility model;

[0020] Figure 6 A perspective view of the wiring assembly.

[0021] The numbers in the figure are:

[0022] 1. Outer shell; 2. Wiring port; 3. Cover; 4. Fixed plate; 5. Wiring assembly; 501. Fixed base; 502. Insulating column; 503. Wiring copper column; 504. Top plate; 505. Threaded screw; 506. Control knob; 507. Fixed push plate; 508. Fixed spring; 509. Guide column; 6. Power-off device; 601. Wiring column; 602. Copper wire column; 603. Sliding track; 604. Connecting column; 605. Reset spring; 606. U-shaped limit block; 607. Side plate; 608. Auxiliary spring. DETAILED DESCRIPTION

[0023] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0024] Reference Figure 1-6 As shown, a power supply transfer junction box comprises an outer shell 1, a wiring assembly 5 is fixedly connected to the inner bottom end of the outer shell 1, and a power-off device 6 is arranged inside the wiring assembly 5;

[0025] The wiring assembly 5 includes a fixed base 501 fixedly connected to the bottom end of the inner part of the outer shell 1, an insulating column 502 is fixedly connected to the inner side of the fixed base 501, a wiring copper column 503 is fixedly connected to the inner side of the insulating column 502, a top plate 504 is fixedly connected to the upper side of the insulating column 502, a threaded screw 505 is rotatably connected to the inner side of the top plate 504, a control knob 506 is fixedly connected to the upper end of the threaded screw 505, and a fixed push plate 507 is threadedly connected to the outer side of the threaded screw 505, so as to facilitate the stable control of the fixed push plate 507, and the lower side of the fixed push plate 507 The two sides are fixedly connected with fixing springs 508, and the other end of the fixing spring 508 is fixedly connected to the upper bottom end of the inner side of the outer shell 1, which can provide downward force to the fixing push plate 507 to ensure that the fixing push plate 507 abuts against the wiring copper column 503 and the wire. By providing a wiring assembly 5, the fixing push plate 507 can be driven to fix the wiring at the connection of the notch of the wiring copper column 503 by twisting the control knob 506. At the same time, the position of the fixing push plate 507 can be limited by the fixing spring 508 to ensure that the wire will not fall off due to looseness.

[0026] The power-off device 6 includes a connecting column 601 slidably connected to the bottom end of the inner part of the outer shell 1, a copper wire column 602 is fixedly connected to the inner side of the connecting column 601, and the two end edges of the connecting column 601 are fixedly connected to the sliding track 603, and the upper middle part of the connecting column 601 is fixedly connected to a connecting column 604, and the inner side of the connecting column 604 is fixedly connected to a plurality of reset springs 605, and the other end of the reset spring 605 is fixedly connected to a U-shaped limit block 606, which can drive the U-shaped limit block 606 to reset, ensuring that the U-shaped limit block 606 is abutted against the opening on the fixed plate 4, and the outer side surfaces of the two end columns of the U-shaped limit block 606 are slidably connected to the inner side surfaces of the two end columns of the connecting column 604, and one end of the connecting column 604 is fixedly connected There is a side plate 607, and the other end of the side plate 607 is fixedly connected with an auxiliary spring 608, and the other end of the auxiliary spring 608 is fixedly connected to the inner side of the outer shell 1. The auxiliary spring 608 can be quickly pushed outward to ensure the speed during the power-off process. By providing a power-off device 6, the U-shaped limit block 606 is pressed down to release the limit of the fixed plate 4 on the connecting column 604 and the U-shaped limit block 606, thereby adjusting whether the copper wire column 602 is connected to the lower outer end of the wiring copper column 503, thereby controlling the opening and closing of the circuit, and the reset spring 605 and the auxiliary spring 608 can facilitate the rapid reset of the connecting column 604 and the U-shaped limit block 606, thereby improving the stability and safety of the junction box.

[0027] In another embodiment provided by the present utility model, Figure 1-6 As shown, a wiring port 2 is provided on the outer side of the outer shell 1 for easy fixation with an external wiring column, a cover body 3 is connected to the top of the outer shell 1 by bolts, an opening matching the shape of the top plate 504 is provided on the cover body 3, the outer surface of the connecting column 604 is slidably connected to the inner surface of the lateral opening of the outer shell 1, and can form a closure with the outer shell 1 to prevent dust from entering the outer shell 1 and affecting the use of the junction box, a fixing plate 4 is fixedly connected to the inner side of the outer shell 1, and a plurality of openings are provided at the bottom end of the fixing plate 4, and the upper side of the right end of the U-shaped limit block 606 matches the shape of the opening on the fixing plate 4, which is convenient for positioning the U-shaped limit block 606 and the connecting column 604, A guide column 509 is fixedly connected between the top plate 504 and the outer shell 1, and the outer surface of the guide column 509 is slidably connected to the inner side of the fixed push plate 507, which is convenient for limiting and guiding the fixed push plate 507 and ensuring that the fixed push plate 507 will not deviate or loosen. The bottom outer end of the wiring copper column 503 passes through the bottom outer side of the fixed base 501, and the bottom outer end of the wiring copper column 503 is consistent with the shape of the copper wire column 602. The outer surface of the sliding rail 603 is slidably connected to the outer surface of the fixed base 501, which is convenient for the bottom outer end of the wiring copper column 503 to be accurately connected to the two ends of the copper wire column 602, thereby improving the reliability of the junction box.

[0028] Working principle: connect with the external wiring tube through the wiring port 2, put the wire end of the wire into the opening of the wiring copper column 503, and control the fixed push plate 507 under the limit of the insulating column 502 and the guide column 509 by twisting the control knob 506, so as to control the bottom end of the fixed push plate 507 and the top of the fixed base 501 to complete the fixation of the wire end. The fixing spring 508 can pull the fixed push plate 507 to the inner bottom end of the outer shell 1 to ensure the stability of the wiring. The connection between the outer end of the bottom of the wiring copper column 503 and the copper wire column 602 is completed to complete the connection of the left and right end wiring components 5. By pressing the U-shaped limit block 606, the limit of the fixing plate 4 on the connecting column 604 and the U-shaped limit block 606 is released, and with the assistance of the auxiliary spring 608, the U-shaped limit block 606 and the connecting column 604 can be ejected, and the U-shaped limit block 606 is released. Under the action of the reset spring 605, the U-shaped limit block 606 can be abutted and fixed with the fixing plate 4 at another position, thereby completing the disconnection of the bottom outer end of the wiring copper column 503 and the copper wire column 602, and completing the power off. Similarly, the circuit can also be closed, which is convenient for the installer to use, install and test the circuit.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power supply transfer junction box, characterized in that: It comprises an outer shell (1), the inner bottom end of the outer shell (1) is fixedly connected to a wiring assembly (5), and the inner side of the wiring assembly (5) is provided with a power-off device (6); The wiring assembly (5) comprises a fixed base (501) fixedly connected to the bottom end of the inner part of the outer shell (1); an insulating column (502) is fixedly connected to the inner side of the fixed base (501); a wiring copper column (503) is fixedly connected to the inner side of the insulating column (502); a top plate (504) is fixedly connected to the upper side of the insulating column (502); a threaded screw (505) is rotatably connected to the inner side of the top plate (504); a control knob (506) is fixedly connected to the upper end of the threaded screw (505); a fixed push plate (507) is threadedly connected to the outer side of the threaded screw (505); fixed springs (508) are fixedly connected to the lower sides of the fixed push plate (507); and the other end of the fixed spring (508) is fixedly connected to the upper side of the inner bottom end of the outer shell (1).

2. A power supply transfer junction box according to claim 1, characterized in that: The power-off device (6) comprises a connection post (601) slidably connected to the bottom end of the inner part of the outer shell (1); a copper wire post (602) is fixedly connected to the inner side of the connection post (601); sliding tracks (603) are fixedly connected to the edges of both ends of the connection post (601); a connection column tube (604) is fixedly connected to the middle part of the upper part of the connection post (601); a plurality of return springs (605) are fixedly connected to the inner side of the connection column tube (604); The other end of the reset spring (605) is fixedly connected to a U-shaped limit block (606), and the outer surfaces of the two end columns of the U-shaped limit block (606) are slidably connected to the inner surfaces of the two end columns of the connecting column tube (604). One end of the connecting column tube (604) is fixedly connected to a side plate (607), and the other end of the side plate (607) is fixedly connected to an auxiliary spring (608), and the other end of the auxiliary spring (608) is fixedly connected to the inner side of the outer shell (1).

3. The power supply transfer junction box according to claim 1, characterized in that: The outer side of the outer shell (1) is provided with a wiring port (2), the upper side of the outer shell (1) is connected with a cover body (3) by bolts, the cover body (3) is provided with an opening that matches the shape of the top plate (504), and the outer side surface of the connecting column (604) is slidably connected to the inner side surface of the lateral opening of the outer shell (1).

4. The power supply transfer junction box according to claim 1, characterized in that: A fixing plate (4) is fixedly connected to the inner side of the outer shell (1), a plurality of openings are provided at the bottom end of the fixing plate (4), and the upper side of the right end of the U-shaped limiting block (606) matches the shape of the opening on the fixing plate (4).

5. The power supply transfer junction box according to claim 1, characterized in that: The outer surface of the insulating column (502) is slidably connected to the inner side of the fixed push plate (507), and a guide column (509) is fixedly connected between the top plate (504) and the outer shell (1), and the outer surface of the guide column (509) is slidably connected to the inner side of the fixed push plate (507).

6. The power supply transfer junction box according to claim 1, characterized in that: The bottom outer end of the connecting copper column (503) passes through the bottom outer side of the fixed base (501), the bottom outer end of the connecting copper column (503) is consistent with the shape of the copper wire column (602), and the outer surface of the sliding track (603) is slidably connected to the outer surface of the fixed base (501).

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