Power supply switching junction box with good sealing performance

Abstract

The utility model relates to the technical field of power supply switching junction boxes, and discloses a power supply switching junction box with good sealing performance, which comprises a shell, the four sides of the inner wall of the shell are fixedly connected with clamping frames, the inner walls of the clamping frames are rotatably connected with knobs, and the bottom ends of the knobs are provided with clamping assemblies for clamping wires. The outer wall of the rotary knob is provided with a caliper assembly used for limiting the rotary knob, the left side and the right side of the inner wall of the shell are slidably connected with pull rods, the opposite ends of the pull rods are provided with top covers through buckle assemblies so that the top covers can be disassembled and assembled, and the bottom ends of the top covers are provided with sealing assemblies. According to the utility model, after the electric wire is switched, the electric wire can be clamped and fixed, so that the connection between the electric wire and the wiring terminal is firmer, the risks of loosening, falling off and breaking caused by vibration or movement are reduced, the possibility of poor contact is reduced, and the occurrence rate of electrical faults is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply switching junction box technical field especially relates to a power supply switching junction box that good sealing. BACKGROUND

[0002] The power supply switching junction box is used for the connection and switching between multiple power lines, which allows multiple wires to be collected together to form a stable electrical connection point, thereby simplifying the wiring and connection process and ensuring the safety of the electrical system and the convenience of maintenance.

[0003] After searching, the power supply switching junction box of the announcement number CN221009740U includes the box body and the upper cover, still includes the cable terminal fixed in the inner wall of the box body, the cable collection device installed in the front and rear surfaces of the box body, the clamping rail fixedly installed in the lower surface of the box body, the upper cover includes the upper screw hole opened in the four arounds of the upper cover. The utility model adopts modular design, the cable terminal and the cable collection device all adopt screw installation and fixation, and the disassembly and assembly are quick and convenient for later maintenance and cleaning. The rubber sealing sleeve at the front end of the cable collection device has good fixing effect on the cable, and the rubber material has a certain movement allowance, and the cable is not easy to loosen or break. The upper cover is fixedly installed with a sealing strip, which is inserted and installed in cooperation with the clamping groove opened in the box body, and has excellent sealing effect after fixed installation.

[0004] Based on the above patent, the existing technology mentioned in the background technology has a risk of connection failure, the design is not firm enough, and the connection of the cable is easy to loosen or break;

[0005] To this end, in view of the technical problem, the present application provides a power supply switching junction box with good sealing. UTILITY MODEL CONTENTS

[0006] The utility model discloses a power supply switching junction box with good sealing, which can clamp and fix the electric wire after switching, making the connection between the electric wire and the junction terminal more firm, reducing the risk of loosening and falling off caused by vibration or movement, and reducing the possibility of poor contact, thereby reducing the occurrence rate of electrical faults.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a power supply adapter junction box with good sealing, which comprises an outer shell, four sides of the inner wall of the outer shell are fixedly connected with clamping frames, the inner wall of the clamping frame is rotationally connected with a knob, the bottom end of the knob is provided with clamping assemblies for clamping the electric wire, the outer wall of the knob is provided with caliper assemblies for limiting the knob, the left and right sides of the inner wall of the outer shell are slidably connected with pull rods, the opposite ends of the pull rods are provided with top covers through buckle assemblies for disassembling the top covers, and the bottom end of the top cover is provided with a sealing assembly for sealing the space between the top cover and the outer shell.

[0009] Further, the clamping assembly comprises a gear fixedly connected to the bottom end of the knob, the outer wall of the gear is meshingly connected with toothed plates on the front and back sides, and the opposite ends of the toothed plates are slidably connected to the inner wall of the clamping frame on the front and back sides.

[0010] Further, the opposite sides of the bottom end of the toothed plate are fixedly connected with clamping plates, and the outer wall of the clamping plate is slidably connected to the left and right sides of the inner wall of the clamping frame.

[0011] Further, the caliper assembly comprises a limiting plate slidably connected to the inner wall of the clamping frame, the inner wall of the knob is provided with a limiting groove, the outer wall of the limiting plate is arranged in the inner wall of the limiting groove, and the shape of the limiting plate is matched with the limiting groove.

[0012] Further, the bottom end of the limiting plate is fixedly connected with a main spring, and the other end of the main spring is fixedly connected to the lower side of the inner wall of the clamping frame.

[0013] Further, the buckle assembly comprises an installation frame fixedly connected to the left and right sides of the bottom end of the top cover, the inner wall of the installation frame is provided with a clamping groove, the opposite end of the pull rod is fixedly connected with a clamping block, the outer wall of the clamping block is arranged in the inner wall of the clamping groove, and the shape of the clamping block is matched with the clamping groove.

[0014] Further, the opposite side of the outer wall of the pull rod is fixedly connected with a secondary spring, and the other end of the secondary spring is fixedly connected to the left and right ends of the outer shell.

[0015] Further, the sealing assembly comprises a secondary sealing ring fixedly connected to the upper side of the inner wall of the top cover, the upper side of the inner wall of the outer shell is fixedly connected with a primary sealing ring, and the top end of the primary sealing ring is arranged at the bottom end of the secondary sealing ring.

[0016] The utility model has the following beneficial effects:

[0017] 1、In the utility model, after the electric wire is switched, the electric wire can be clamped and fixed, the connection between the electric wire and the terminal is more firm, the loosening and falling off and breaking risk caused by vibration or movement is reduced, the possibility of poor contact is reduced, and the occurrence rate of electrical faults is reduced.

[0018] 2、The utility model discloses, through detachable design, the top cover is conveniently detached from the shell, when needing to maintain or check, can open the top cover quickly, and check the wiring condition, replace the electric wire or repair the trouble, not only can improve the efficiency of installation and maintenance, can also ensure the security and reliability of system. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional view of the power supply switching junction box with good sealing is provided for the utility model;

[0020] Figure 2 A clamping frame structure diagram of the power supply switching junction box with good sealing is provided for the utility model;

[0021] Figure 3 A clamping frame sectional view of the power supply switching junction box with good sealing is provided for the utility model;

[0022] Figure 4 A limiting groove structure diagram of the power supply switching junction box with good sealing is provided for the utility model;

[0023] Figure 5 A top cover sectional view of the power supply switching junction box with good sealing is provided for the utility model;

[0024] Figure 6 An installation frame structure diagram of the power supply switching junction box with good sealing is provided for the utility model.

[0025] Legend:

[0026] 1, shell, 2, clamping frame, 3, knob, 4, gear, 5, toothed plate, 6, clamping plate, 7, limiting groove, 8, limiting plate, 9, main spring, 10, top cover, 11, installation frame, 12, clamping groove, 13, clamping block, 14, pull rod, 15, auxiliary spring, 16, main sealing ring, 17, auxiliary sealing ring. DETAILED DESCRIPTION

[0027] 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, not 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 scope of protection of the utility model.

[0028] Reference Figures 2-4As shown, the utility model provides an embodiment: a power supply switching junction box with good sealing, including shell 1, the four sides of the inner wall of shell 1 are all fixedly connected with clamping frame 2, the inner wall of clamping frame 2 is rotatably connected with knob 3, the bottom of knob 3 is all fixedly connected with gear 4, the outer wall of gear 4 is all meshingly connected with toothed plate 5 on the front and rear sides, the opposite end of toothed plate 5 is all slidably connected on the inner wall of clamping frame 2 on the front and rear sides, the opposite side of the bottom of toothed plate 5 is all fixedly connected with clamping plate 6, the outer wall of clamping plate 6 is all slidably connected on the inner wall of clamping frame 2 on the left and right sides, to be used for clamping wire, the inner wall of clamping frame 2 is all slidably connected with limiting plate 8, the inner wall of knob 3 is all provided with limiting slot 7, the outer wall of limiting plate 8 is all arranged in the inner wall of limiting slot 7, the shape of limiting plate 8 is matched with limiting slot 7, the bottom of limiting plate 8 is all fixedly connected with main spring 9, the other end of main spring 9 is all fixedly connected on the lower side of the inner wall of clamping frame 2, to be used for limiting knob 3.

[0029] Specifically, after clamping and fixing are completed, limiting plate 8 is loosened, limiting plate 8 is pushed out upward by main spring 9, limiting plate 8 is clamped into limiting slot 7, and knob 3 is limited, after wire switching is completed, wire can be clamped and fixed, the connection between wire and terminal is more firm, the risk of loosening and falling off caused by vibration or movement is reduced, the possibility of poor contact is reduced, and the occurrence rate of electrical failure is reduced.

[0030] Referring to Figure 1 、 Figure 5 and Figure 6 As shown, the left and right sides of the inner wall of shell 1 are all slidably connected with pull rod 14, the opposite end of pull rod 14 is all provided with top cover 10, the left and right sides of the bottom of top cover 10 are all fixedly connected with mounting frame 11, the inner wall of mounting frame 11 is all provided with clamping groove 12, the opposite end of pull rod 14 is all fixedly connected with clamping block 13, the outer wall of clamping block 13 is all arranged in the inner wall of clamping groove 12, the shape of clamping block 13 is matched with clamping groove 12, the opposite side of the outer wall of pull rod 14 is all fixedly connected with auxiliary spring 15, the other end of auxiliary spring 15 is all fixedly connected on the left and right ends of shell 1, to be used for dismounting top cover 10, auxiliary sealing ring 17 is fixedly connected on the upper side of the inner wall of top cover 10, main sealing ring 16 is fixedly connected on the upper side of the inner wall of shell 1, the top of main sealing ring 16 is arranged at the bottom of auxiliary sealing ring 17, to be used for sealing treatment between top cover 10 and shell 1.

[0031] Specifically, recess is arranged on the bottom of mounting frame 11, the length of recess is equal to the diameter of pull rod 14, to be used for dismounting mounting frame 11 by pull rod 14 every time, by the detachable design, top cover 10 can be conveniently dismounted from shell 1, when maintenance or inspection is needed, top cover 10 can be quickly opened, wire can be checked, wire can be replaced or fault can be repaired, not only the installation and maintenance efficiency can be improved, but also the safety and reliability of system can be ensured.

[0032] Working principle: First, during installation, pass the wire through the outer casing 1 and connect the wires. After the connection is complete, press down on the limiting plate 8 to remove it from the limiting groove 7. Then rotate the knob 3. The knob 3 drives the gear 4 to rotate, which in turn drives the toothed plates 5 on both sides to slide and move the clamping plate 6. The clamping plate 6 clamps and fixes the wire, and the sealing ring fills the gap between the wire and the outer casing 1. Then press the pull rods 14 on both sides to move the locking block 13 inward and insert the mounting frame 11 into the outer casing. In step 1, the main sealing ring 16 and the secondary sealing ring 17 are in close contact, which can effectively prevent moisture and humidity from entering the junction box and protect the wires and electrical connections from corrosion by the humid environment. After installation, the pull rod 14 is released, and the pull rod 14 is returned to its original position by the secondary spring 15, and the locking block 13 is locked into the locking groove 12, thus completing the installation of the top cover 10. When disassembly is required, simply press the pull rod 14 inward to remove the locking block 13 from the locking groove 12, and the top cover 10 can be lifted upward to complete the disassembly of the top cover 10.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A power supply adapter junction box with improved sealing, characterized by, The utility model relates to a wire clamp, including shell (1), the inner wall four sides of shell (1) are all fixedly connected with clamping frame (2), the inner wall rotationally connected with knob (3) of clamping frame (2), the bottom of knob (3) is through all setting up clamping subassembly, is used for clamping the wire, the outer wall of knob (3) is provided with calipers subassembly, is used for the limiting of knob (3), the left and right sides of shell (1) inner wall are all slidably connected with draw bar (14), the opposite end of draw bar (14) is all through the buckle subassembly setting up top cover (10), is used for the dismounting of top cover (10), the bottom of top cover (10) is provided with sealing subassembly, is used for the sealing treatment between top cover (10) and shell (1).

2. The power supply transition junction box of claim 1, wherein: The clamping subassembly includes a gear (4) fixedly connected to the bottom of the knob (3), the outer wall of the gear (4) is engagedly connected with a toothed plate (5) on the front and back sides, and the opposite ends of the toothed plate (5) are slidably connected to the inner wall of the clamping frame (2) on the front and back sides.

3. The power supply transition junction box of claim 2, wherein: The opposite sides of the bottom of the toothed plate (5) are fixedly connected with a clamping plate (6), and the outer wall of the clamping plate (6) is slidably connected to the left and right sides of the inner wall of the clamping frame (2).

4. The power supply transition junction box of claim 1, wherein: The calipers subassembly includes a limiting plate (8) slidably connected to the inner wall of the clamping frame (2), the inner wall of the knob (3) is provided with a limiting groove (7), the outer wall of the limiting plate (8) is provided in the inner wall of the limiting groove (7), and the shape of the limiting plate (8) is matched with the limiting groove (7).

5. The power supply transition junction box of claim 4, wherein: The bottom of the limiting plate (8) is fixedly connected with a main spring (9), and the other end of the main spring (9) is fixedly connected to the lower side of the inner wall of the clamping frame (2).

6. The power supply transition junction box of claim 1, wherein: The buckle subassembly includes a mounting frame (11) fixedly connected to the left and right sides of the bottom of the top cover (10), the inner wall of the mounting frame (11) is provided with a clamping groove (12), the opposite end of the draw bar (14) is fixedly connected with a clamping block (13), the outer wall of the clamping block (13) is provided in the inner wall of the clamping groove (12), and the shape of the clamping block (13) is matched with the clamping groove (12).

7. The power supply transition junction box of claim 6, wherein: The opposite side of the outer wall of the draw bar (14) is fixedly connected with a secondary spring (15), and the other end of the secondary spring (15) is fixedly connected to the left and right ends of the outer wall of the shell (1).

8. The power supply transition junction box of claim 1, wherein: The sealing subassembly includes a secondary sealing ring (17) fixedly connected to the upper side of the inner wall of the top cover (10), a primary sealing ring (16) is fixedly connected to the upper side of the inner wall of the shell (1), and the top end of the primary sealing ring (16) is provided at the bottom of the secondary sealing ring (17).

Images