Dustproof junction box

Abstract

The utility model discloses a dustproof junction box which comprises a box body and a wire pressing turning cover movably arranged on the box body, a dustproof silica gel sheet is arranged on the end wall of one end of the wire pressing turning cover, which is opened and closed with the box body, and a wire passing groove corresponding to a wire outlet hole of the dustproof silica gel sheet is arranged on the end wall of the end of the wire pressing turning cover. An installation window is arranged on the inner side of the box body, namely the side close to a rotating fulcrum of the wire pressing turning cover, a bottom cover and a wiring terminal arranged on the bottom cover are arranged in the installation window, two rows of wire pressing teeth corresponding to the dustproof silica gel sheets are arranged on the side, opened and closed with the wire pressing turning cover, of the box body, and the dustproof silica gel sheets are arranged in the box body. And the two rows of wire pressing teeth are respectively positioned on the inner side and the outer side of the dustproof silica gel sheet when the wire pressing flip cover is closed. The dustproof junction box provided by the utility model can be widely applied to various occasions where cables need to be switched over.

Description

Technical Field

[0001] The utility model relates to a junction box, in particular to a dustproof junction box. Background Art

[0002] At present, the structure of traditional junction boxes is usually simple and dustproof, which makes the terminals in the junction boxes easily corroded, greatly shortening the service life of the terminals and increasing the cost of use. In addition, the terminals in traditional junction boxes are pre-installed in the junction boxes, which brings inconvenience to the replacement of the terminals. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a dustproof junction box with good dustproof ability.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a dustproof junction box, comprising: a box body, and a wire pressing flap movably arranged on the box body, the wire pressing flap is provided with a dustproof silicone sheet on the end wall of the wire pressing flap that opens and closes with the box body, and is provided with a wire passing groove corresponding to the wire outlet hole of the dustproof silicone sheet, the box body is provided with an installation window on the inner side thereof, i.e., close to the rotating fulcrum side of the wire pressing flap, the installation window is provided with a bottom cover and wiring terminals arranged on the bottom cover, the box body is provided with two rows of wire pressing teeth corresponding to the dustproof silicone sheet on the side that opens and closes with the wire pressing flap, and the two rows of wire pressing teeth are respectively located on the inner and outer sides of the dustproof silicone sheet when the wire pressing flap is closed.

[0005] As a preferred embodiment, in the dustproof junction box, the bottom cover is specifically arranged as follows: the box body is provided with bayonet holes on the side walls on both sides of its installation window, and the bottom cover is provided with hooks corresponding to the bayonet holes on the corresponding side walls of the installation window of the box body on the outer walls on both sides thereof, and the hooks on the bottom cover are engaged in the bayonet holes on the corresponding side walls of the installation window of the box body.

[0006] As a preferred embodiment, in the dustproof junction box, the specific installation method of the terminal block and the bottom cover is as follows: at least one guide positioning hole is arranged on the bottom surface of the terminal block, and the guide positioning hole includes: a columnar guide hole, and at least one anti-rotation positioning long hole located on one side of the guide hole and communicating with the guide hole; a guide positioning protrusion corresponding to the guide positioning hole on the bottom surface of the terminal block is arranged on the bottom cover, and the guide positioning protrusion includes: a columnar protrusion corresponding to the guide hole, and a plate-shaped protrusion corresponding to the anti-rotation positioning long hole; the guide positioning protrusion on the bottom cover is arranged in the corresponding guide positioning hole on the terminal block.

[0007] As a preferred solution, in the dustproof junction box, the bottom cover is further provided with a terminal installation chamber matched with the wiring terminal, and the guide positioning protrusion is provided on the bottom surface of the terminal installation chamber.

[0008] As a preferred solution, in the dustproof junction box, the wiring terminals are piano key wiring terminals.

[0009] As a preferred solution, in the dustproof junction box, the wire pressing teeth are of a sawtooth structure.

[0010] As a preferred embodiment, in the dustproof junction box, the dustproof silicone sheet and the wire pressing cover are specifically arranged as follows: the dustproof silicone sheet is provided with at least two tenons protruding vertically outward at its lower part, and a limiting cap is provided on the top of the tenon; the wire pressing cover is provided with a slot corresponding to the tenon on the end wall on one side of the wire pressing cover that opens and closes with the box body; the height of the tenon corresponds to the thickness of the end wall on the side of the wire pressing cover that opens and closes with the box body, and the tenon is clamped in the corresponding slot on the end wall on the side of the wire pressing cover that opens and closes with the box body.

[0011] As a preferred embodiment, in the dustproof junction box, at least one flip cover clamping boss with a triangular cross-section is provided on the inner walls on both sides of the wire pressing flip cover near the opening and closing side, and box body clamping bosses matching with the flip cover clamping bosses are provided on the outer walls on both sides of the box body.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model provides a dustproof silicone sheet on the wire pressing cover and two rows of wire pressing teeth corresponding to the dustproof silicone sheet on the box body, so that the dustproof junction box has a good dustproof ability, so that foreign matter in the air is not easy to enter the junction box, which can effectively prevent the wiring terminals from being corroded prematurely, thereby extending the service life of the wiring terminals.

[0014] 2. The utility model arranges the wiring terminals on the bottom cover, respectively opens bayonet holes on the side walls of the installation window of the box body, and respectively arranges hooks on both sides of the bottom cover corresponding to the bayonet holes on the corresponding side walls of the installation window of the box body, so that the wiring terminal assembly composed of the wiring terminals and the bottom cover is clamped on the box body, thereby greatly facilitating the replacement of the wiring terminals.

[0015] 3. The utility model provides a guide positioning hole on the bottom surface of the wiring terminal, and provides a guide positioning protrusion on the bottom cover corresponding to the guide positioning hole on the bottom surface of the wiring terminal, so that the wiring terminal can be installed on the bottom cover in a plug-in manner, which greatly facilitates the disassembly and assembly of the wiring terminal and improves the disassembly and assembly efficiency.

[0016] 4. The utility model provides a terminal installation chamber matched with the wiring terminal on the bottom cover, so that the structure of the wiring terminal and the bottom box is more stable.

[0017] 5. The utility model provides a tenon at the bottom of the dustproof silicone sheet, a limit cap at the top of the tenon, and a slot corresponding to the tenon on the corresponding end wall of the pressing cover, thereby greatly facilitating the disassembly and assembly of the dustproof silicone sheet and improving the disassembly and assembly efficiency.

[0018] 6. The utility model provides a cover clamping boss with a triangular cross section on the inner walls on both sides of the crimping cover near the opening and closing side, and provides a box body clamping boss on both sides of the outer walls of the box body that matches the cover clamping boss, so that the crimping cover can be reliably locked on the box body, greatly improving its dustproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the dustproof junction box of the utility model.

[0020] Figure 2 and Figure 3 It is a schematic diagram of the exploded structure of the dustproof junction box of the utility model from two viewing angles.

[0021] The reference numerals in the figure are: 1, bottom cover, 101, terminal installation chamber, 11, guide positioning protrusion, 111, columnar protrusion, 112, plate-like protrusion, 12, hook, 2, piano key 6-hole terminal, 21, guide positioning hole, 211, guide hole, 212, anti-rotation positioning long hole, 3, box body, 31, installation window, 32, bayonet, 33, wire pressing tooth, 34, flip fulcrum column, 37, box body clamping boss, 4, wire pressing flip cover, 42, slot, 44, flip fulcrum hole, 45, wire passing slot, 47, flip cover clamping boss, 5, dustproof silicone sheet, 52, tenon, 520, limit cap, 55, outlet hole. DETAILED DESCRIPTION

[0022] The following is combined with Figures 1 to 3 , a specific implementation scheme of a dustproof junction box described in the utility model is described in detail.

[0023] like Figures 1 to 3As shown, a dustproof junction box described in the utility model comprises: a box body 3, and a wire pressing flap 4 movably arranged on the box body 3, and the specific arrangement method is: the wire pressing flap 4 is respectively provided with flip fulcrum holes 44 on both side walls thereof, and flip fulcrum columns 34 corresponding to the corresponding flip fulcrum holes 44 on the wire pressing flap 4 are arranged on both side walls of the box body 3 in a one-to-one correspondence, and the flip fulcrum columns 34 are arranged in the corresponding flip fulcrum holes 44; the wire pressing flap 4 is provided with a dustproof silicone sheet 5 on the end wall of one end thereof that opens and closes with the box body 3, and is provided with a pair of wire passing grooves corresponding to the two outlet holes 55 of the dustproof silicone sheet 5. 45, the specific arrangement of the dustproof silicone sheet 5 and the wire pressing flap 4 is as follows: the dustproof silicone sheet 5 is provided with three vertically outwardly protruding tenons 52 at its lower part, and a limiting cap 520 is provided on the top of the tenon 52. The wire pressing flap 4 is provided with a slot 42 corresponding to the tenon 52 on the end wall of the side where it opens and closes with the box body 3. The height of the tenon 52 corresponds to the thickness of the end wall of the wire pressing flap 4 on the side where it opens and closes with the box body 3. The tenon 52 is clamped in the corresponding slot 42 on the end wall of the wire pressing flap 4 on the side where it opens and closes with the box body 3; the box body 3 is provided with an installation window on its inner side, i.e., close to the rotating fulcrum side of the wire pressing flap 4. 31, a bottom cover 1 and a piano key 6-hole terminal 2 are arranged in the installation window 31, and the specific arrangement of the bottom cover 1 is as follows: the box body 3 is provided with bayonet holes 32 on the side walls of the installation window 31, and the bottom cover 1 is provided with hooks 12 on both sides corresponding to the bayonet holes 32 on the corresponding side walls of the installation window 31 of the box body 3, and the hooks 12 on the bottom cover 1 are clamped in the bayonet holes 32 on the corresponding side walls of the installation window 31 of the box body 3; the specific installation method of the piano key 6-hole terminal 2 and the bottom cover 1 is as follows: a pair of mutually parallel The guide positioning hole 21 comprises: a columnar guide hole 211, and a pair of anti-rotation positioning long holes 212 located on both sides of the guide hole 211 and communicating with the guide hole 211; the bottom cover 1 is provided with a guide positioning protrusion 11 corresponding to the guide positioning hole 21 on the bottom surface of the piano key 6-hole terminal 2, and the guide positioning protrusion 11 comprises: a columnar protrusion 111 corresponding to the guide hole 211, and a plate-like protrusion 112 corresponding to the anti-rotation positioning long hole 212; the guide positioning protrusion 11 on the bottom cover 1 is arranged in the corresponding guide positioning hole 21 on the piano key 6-hole terminal 2.In this embodiment, the box body 3 is provided with two rows of sawtooth-shaped wire-pressing teeth 33 corresponding to the dust-proof silicone sheet 5 on the side of the wire-pressing flap 4 that opens and closes. When the wire-pressing flap 4 is closed, the two rows of wire-pressing teeth 33 are respectively located on the inner and outer sides of the dust-proof silicone sheet 5; four flip-cover clamping bosses 47 with triangular cross-sections are provided on the inner walls of both sides of the wire-pressing flap 4 near the opening and closing side, and box body clamping bosses 37 that cooperate with the flip-cover clamping bosses 47 are provided on the outer walls of both sides of the box body 3.

[0024] In actual application, the bottom cover 1 is further provided with a terminal installation chamber 101 matching with the piano key 6-hole terminal 2 , and the guide positioning protrusion 11 is arranged on the bottom surface of the terminal installation chamber 101 .

[0025] The assembly process of the utility model is as follows: insert the piano key 6-hole terminal 2 into the terminal installation chamber 101 of the bottom cover 1, then snap the bottom cover 1 with the piano key 6-hole terminal 2 into the installation window 31 of the box body 3, install the dustproof silicone sheet 5 on the wire pressing flap 4, and finally, install the wire pressing flap 4 on the box body 3.

[0026] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. All equivalent changes and modifications made to the shape, structure, characteristics and spirit described in the scope of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A dustproof junction box, comprising: A box body, and a wire pressing flap movably arranged on the box body, characterized in that a dustproof silicone sheet is arranged on an end wall of the wire pressing flap at one end thereof that opens and closes with the box body, and a wire passing groove corresponding to the wire outlet hole of the dustproof silicone sheet is opened, the box body is provided with an installation window on its inner side, i.e., close to the rotating fulcrum side of the wire pressing flap, a bottom cover and wiring terminals arranged on the bottom cover are arranged in the installation window, and two rows of wire pressing teeth corresponding to the dustproof silicone sheet are arranged on one side of the box body that opens and closes with the wire pressing flap, and the two rows of wire pressing teeth are respectively located on the inner and outer sides of the dustproof silicone sheet when the wire pressing flap is closed.

2. A dustproof junction box according to claim 1, characterized in that: The bottom cover is specifically arranged as follows: the box body is provided with bayonet holes on both side walls of its installation window, and the bottom cover is provided with hooks corresponding to the bayonet holes on the corresponding side walls of the installation window of the box body on its outer walls on both sides, and the hooks on the bottom cover are engaged in the bayonet holes on the corresponding side walls of the installation window of the box body.

3. A dustproof junction box according to claim 1, characterized in that: The specific installation method of the wiring terminal and the bottom cover is as follows: at least one guide positioning hole is arranged on the bottom surface of the wiring terminal, and the guide positioning hole includes: a columnar guide hole, and at least one anti-rotation positioning long hole located on one side of the guide hole and communicating with the guide hole; a guide positioning protrusion corresponding to the guide positioning hole on the bottom surface of the wiring terminal is arranged on the bottom cover, and the guide positioning protrusion includes: a columnar protrusion corresponding to the guide hole, and a plate-shaped protrusion corresponding to the anti-rotation positioning long hole; the guide positioning protrusion on the bottom cover is arranged in the corresponding guide positioning hole on the wiring terminal.

4. A dustproof junction box according to claim 3, characterized in that: The bottom cover is also provided with a terminal installation chamber matched with the wiring terminal, and the guiding and positioning protrusion is arranged on the bottom surface of the terminal installation chamber.

5. The dustproof junction box according to claim 1, characterized in that: The wiring terminals are piano key wiring terminals.

6. The dustproof junction box according to claim 1, characterized in that: The wire pressing teeth are of sawtooth structure.

7. The dustproof junction box according to claim 1, characterized in that: The specific arrangement of the dust-proof silicone sheet and the wire-pressing flap is as follows: the dust-proof silicone sheet is provided with at least two tenons protruding vertically outward at its lower part, and a limiting cap is provided on the top of the tenon; the wire-pressing flap is provided with a slot corresponding to the tenon on the end wall on one side of the wire-pressing flap that opens and closes with the box body; the height of the tenon corresponds to the thickness of the end wall on the side of the wire-pressing flap that opens and closes with the box body, and the tenon is clamped in the corresponding slot on the end wall on the side of the wire-pressing flap that opens and closes with the box body.

8. A dustproof junction box according to any one of claims 1 to 7, characterized in that: At least one flip cover clamping boss with a triangular cross section is arranged on the inner walls on both sides of the crimping flip cover near the opening and closing side, and box body clamping bosses matching with the flip cover clamping bosses are arranged on the outer walls on both sides of the box body.

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