Extended junction box of electric fan

By using the design of abutment blocks and fixing parts in the fan extension junction box, the problem of loose contact portion of the conductive copper sheet is solved, and contact stability and service life are extended.

CN222530867UActive Publication Date: 2025-02-25金仁阳
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Patent Information

Application Number
CN202421177181.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-02-25
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

After the existing electric fan extension junction box is too plugged and unplugged, the contact part of the conductive copper plate is prone to loosen, resulting in poor contact.

Method used

An electric fan extension junction box is designed, which abuts against the contact part of the conductive copper sheet using abutment block, and the fixing part extends outward to the outside of the bottom shell, and is easily installed and disassembled through the slider and chute mechanism.

Benefits of technology

Effectively prevent the contact part of the conductive copper sheet from loosening, ensure stable contact, extend the service life of the junction box, and simplify the installation and disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of junction boxes, and particularly relates to an electric fan extension junction box which comprises a bottom shell, installation blocks are symmetrically arranged in the bottom shell, an installation cavity is formed by the installation blocks and the side wall of the bottom shell, a conductive copper sheet comprises a contact part and a fixing part, the contact part is arranged in the installation cavity, and the fixing part extends outwards to the outer side of the bottom shell and is connected with a cable. The electric fan plug is in contact with the contact part to form a complete circuit, the electric fan is powered on, and the problem that the length of an electric wire of the electric fan is limited during outdoor wiring is solved. The abutting block is arranged in the bottom shell, and the two ends of the abutting block abut against the contact part of the conductive copper sheet; the contact part of the conductive copper sheet is loosened, the abutting block can abut against the position of the contact part, poor contact is prevented, the bottom shell is movably connected with the end cover, a circuit can be protected, and the dustproof effect can be achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of junction boxes, and in particular relates to an extended junction box for an electric fan. Background Art

[0002] When using electric fans, they sometimes need to be wired outdoors. When wiring outdoors, the length of the electric fan wires is limited, and an extension junction box is needed to extend the line to power the electric fan. After the electric fan plug is plugged in and out too many times, the contact part of the conductive copper sheet of the existing electric fan extension junction box will become loose, resulting in poor contact. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems and provide an electric fan extension junction box, which can prevent the contact part of the conductive copper sheet from loosening.

[0004] In view of this, the utility model provides an electric fan extension junction box, including a bottom shell, a mounting block, a conductive copper sheet, an abutment block, and an end cover. The mounting blocks are symmetrically arranged in the bottom shell, and the mounting blocks and the side walls of the bottom shell form an installation cavity. The conductive copper sheet includes a contact portion and a fixing portion. The contact portion is arranged in the installation cavity, and the fixing portion extends outward to the outside of the bottom shell. The abutment block is arranged inside the bottom shell, and two ends of the abutment block abut against the contact portions of the two conductive copper sheets. The bottom shell is movably connected with the end cover.

[0005] In the above technical solution, further, the abutment block is W-shaped and the end cover is L-shaped.

[0006] In the above technical solution, further, a fixing groove is provided on the fixing portion, and the fixing groove is matched with the side wall of the bottom shell.

[0007] In the above technical solution, further, it also includes a slider and a slide groove, the two side walls of the end cover are provided with a slider, and the two side walls of the bottom shell are provided with a slide groove adapted to the slider.

[0008] In the above technical solution, further, a limit block is arranged in the bottom shell, and the limit block is arranged between the two installation blocks.

[0009] In the above technical solution, further, the width of the end cover is equal to the width of the inner cavity of the bottom shell.

[0010] In the above technical solution, further, the mounting block and the bottom shell are integrally formed.

[0011] In the above technical solution, further, a side surface of the end cover is provided with a socket opposite to the contact portion of the conductive copper sheet.

[0012] In the above technical solution, further, an anti-skid pad is provided between the bottom shell and the end cover, and the anti-skid pad is located below the socket.

[0013] The beneficial effects of the utility model are:

[0014] 1. The abutment block is arranged inside the bottom shell, and both ends of the abutment block abut against the contact parts of the two conductive copper sheets, which can prevent the contact parts of the conductive copper sheets from becoming loose after excessive use.

[0015] 2. Slide blocks are arranged on both side walls of the end cover, and slide grooves matching with the slide blocks are arranged on both side walls of the bottom shell, so that the installation and disassembly between the end cover and the bottom shell are simple and convenient.

[0016] 3. The mounting block and the bottom shell are integrally formed, with high structural strength and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0020] The markings in the figure are: 1-bottom shell, 2-mounting block, 3-mounting cavity, 4-contact portion, 5-abutment block, 6-end cover, 7-slider, 8-slide groove, 9-limiting block, 10-socket, 11-fixing groove, 12-fixing portion, 13-anti-slip pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0022] Embodiment 1:

[0023] This embodiment provides an electric fan extension junction box, including:

[0024] A bottom shell 1, wherein a mounting block 2 is symmetrically arranged inside the bottom shell 1, and a mounting cavity 3 is formed between the mounting block 2 and the side wall of the bottom shell 1;

[0025] A conductive copper sheet, the conductive copper sheet includes a contact portion 4 and a fixing portion 12, the contact portion 4 is arranged in the mounting cavity 3, and the fixing portion 12 extends outward to the outside of the bottom shell 1;

[0026] Abutment block 5, the abutment block 5 is arranged inside the bottom shell 1, and two ends of the abutment block 5 abut against the contact parts 4 of the two conductive copper sheets;

[0027] End cover 6: The bottom shell 1 is movably connected with the end cover 6.

[0028] It can be seen from the present embodiment that the mounting blocks 2 are symmetrically arranged in the bottom shell 1, and the mounting blocks 2 and the side walls of the bottom shell 1 form a mounting cavity 3, the conductive copper sheet includes a contact portion 4 and a fixing portion 12, the contact portion 4 is arranged in the mounting cavity 3, the fixing portion 12 extends outward to the outside of the bottom shell 1 and is connected to the cable, and a complete circuit is formed after the electric fan plug contacts the contact portion 4, so that the electric fan is powered on, which solves the problem of limited length of the electric fan wire during outdoor wiring, the abutment block 5 is arranged inside the bottom shell 1, and both ends of the abutment block 5 abut against the contact portion 4 of the conductive copper sheet, when the electric fan plug is plugged in and out too much, the contact portion 4 of the conductive copper sheet will become loose, and the abutment block 5 can abut the position of the contact portion 4 to prevent poor contact, and the bottom shell 1 is movably connected with an end cover 6, which can protect the circuit and also play a dust-proof role.

[0029] Embodiment 2:

[0030] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0031] The abutment block 5 is W-shaped, and the end cover 6 is L-shaped.

[0032] It can be seen from the present embodiment that the abutment block 5 is W-shaped, so that the contact between the abutment block 5 and the conductive copper sheet is more stable, and the end cover 6 is L-shaped, which is convenient for holding and installation.

[0033] Embodiment 3:

[0034] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0035] The fixing portion 12 is provided with a fixing groove 11 , which is matched with the side wall of the bottom shell 1 .

[0036] It can be seen from the present embodiment that a fixing groove 11 adapted to the side wall of the bottom shell 1 is provided on the fixing portion 12 , and the conductive copper sheet is fixed by the abutment of the end cover 6 .

[0037] Embodiment 4:

[0038] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0039] Also includes:

[0040] Slider 7: Sliders 7 are provided on both side walls of the end cover 6;

[0041] Slide grooves 8 , slide grooves 8 adapted to the sliders 7 are provided on both side walls of the bottom shell 1 .

[0042] It can be seen from this embodiment that sliders 7 are provided on both side walls of the end cover 6, and slide grooves 8 adapted to the sliders 7 are provided on both side walls of the bottom shell 1. Through the cooperation between the sliders 7 and the slide grooves 8, the installation and disassembly between the end cover 6 and the bottom shell 1 are easy.

[0043] Embodiment 5:

[0044] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0045] A limiting block 9 is arranged in the bottom shell 1 , and the limiting block 9 is arranged between the two mounting blocks 2 .

[0046] It can be seen from the present embodiment that a limiting block 9 is arranged in the bottom shell 1 and the limiting block 9 is arranged between the two mounting blocks 2, so as to limit the position of the abutting block 5 and ensure stable contact.

[0047] Embodiment 6:

[0048] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0049] The width of the end cover 6 is equal to the width of the inner cavity of the bottom shell 1 .

[0050] It can be seen from this embodiment that the width of the end cover 6 is equal to the width of the inner cavity of the bottom shell 1, so that the end cover 6 can completely cover the bottom shell 1 to the opening to achieve a dustproof effect.

[0051] Embodiment 7:

[0052] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0053] The mounting block 2 and the bottom shell 1 are integrally formed.

[0054] It can be seen from this embodiment that the mounting block 2 and the bottom shell 1 are integrally formed, and the structure has high strength and long service life.

[0055] Embodiment 8:

[0056] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0057] The side surface of the end cover 6 is provided with a socket 10 opposite to the contact portion 4 of the conductive copper sheet.

[0058] It can be seen from this embodiment that a socket 10 opposite to the contact portion 4 of the conductive copper sheet is provided on the side of the end cover 6, which facilitates the user to insert or unplug the electric fan plug. The electric fan plug is inserted from the socket 10 and connected to the contact portion 4 to achieve power supply.

[0059] Embodiment 9:

[0060] This embodiment provides an electric fan extension junction box, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] An anti-skid pad 13 is disposed between the bottom shell 1 and the end cover 6 , and the anti-skid pad 13 is located below the socket 10 .

[0062] It can be seen from this embodiment that an anti-skid pad 13 is arranged between the bottom shell 1 and the end cover 6. After the end cover 6 slides into the slide groove 8 of the bottom shell 1 through the slider 7, the anti-skid pad 13 can increase the friction between the bottom shell 1 and the end cover 6 to prevent the end cover 6 from falling off the bottom shell 1 during use.

[0063] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An electric fan extension junction box, characterized in that: include: A bottom shell (1), wherein a mounting block (2) is symmetrically arranged inside the bottom shell (1), and a mounting cavity (3) is formed between the mounting block (2) and a side wall of the bottom shell (1); A conductive copper sheet, the conductive copper sheet comprising a contact portion (4) and a fixing portion (12), the contact portion (4) being arranged in the mounting cavity (3), and the fixing portion (12) extending outward to the outside of the bottom shell (1); An abutment block (5), wherein the abutment block (5) is arranged inside the bottom shell (1), and two ends of the abutment block (5) abut against contact portions (4) of two conductive copper sheets; An end cover (6), the bottom shell (1) is movably connected to the end cover (6).

2. The electric fan extension junction box according to claim 1, characterized in that: The abutment block (5) is W-shaped, and the end cover (6) is L-shaped.

3. The electric fan extension junction box according to claim 2, characterized in that: The fixing portion (12) is provided with a fixing groove (11), and the fixing groove (11) is matched with the side wall of the bottom shell (1).

4. The electric fan extension junction box according to claim 3, characterized in that: Also includes: Slide blocks (7), the two side walls of the end cover (6) are provided with slide blocks (7); A slide groove (8), wherein the two side walls of the bottom shell (1) are provided with a slide groove (8) adapted to the slider (7).

5. The electric fan extension junction box according to claim 4, characterized in that: A limiting block (9) is arranged in the bottom shell (1), and the limiting block (9) is arranged between the two mounting blocks (2).

6. The electric fan extension junction box according to claim 5, characterized in that: The width of the end cover (6) is equal to the width of the inner cavity of the bottom shell (1).

7. The electric fan extension junction box according to claim 6, characterized in that: The mounting block (2) and the bottom shell (1) are integrally formed.

8. The electric fan extension junction box according to claim 7, characterized in that: The side surface of the end cover (6) is provided with a socket (10) opposite to the contact portion (4) of the conductive copper sheet.

9. The electric fan extension junction box according to claim 8, characterized in that: An anti-skid pad (13) is provided between the bottom shell (1) and the end cover (6), and the anti-skid pad (13) is located below the socket (10).