Plug-type dustproof junction box

Abstract

The utility model discloses a blocking type dustproof junction box, which comprises a box body and a wire pressing flip cover, the wire pressing flip cover is provided with at least one row of flip cover wire pressing teeth, the box body is provided with corresponding box body wire pressing teeth, the box body is provided with an installation window, and the installation window is internally provided with a bottom box and a wiring terminal arranged in the bottom cover; corresponding locking insertion pieces are arranged on the inner walls of the two sides of the line pressing turning cover close to the opening and closing ends of the line pressing turning cover and the box body respectively, at least one transverse clamping boss is arranged on the outer wall of each locking insertion piece, and locking insertion holes corresponding to the locking insertion pieces are formed in the box body; corresponding blocking clamping grooves are transversely formed in the positions, between the two locking inserting holes and the edge of the side, close to the line pressing teeth of the box body, of the installation window of the box body on the inner walls of the two sides of the line pressing turning cover respectively, and plate-shaped dustproof plugs are arranged in the blocking clamping grooves. The blocking type dustproof junction box can be widely applied to various occasions where cables need to be switched over.

Description

Technical Field

[0001] The utility model relates to a dust-proof junction box, in particular to a plugging type dust-proof junction box. Background Art

[0002] At present, the structure of traditional junction boxes is usually relatively simple and not dust-proof. As a result, the terminal blocks in the junction boxes are prone to corrosion, greatly shortening the service life of the terminal blocks and increasing the use cost. In addition, the terminal blocks in traditional junction boxes are pre-installed in the junction boxes, which brings inconvenience to the replacement of the terminal blocks. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a plugging type dust-proof junction box with better dust-proof ability.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a plugging type dust-proof junction box, comprising: a box body, and a pressing wire flip cover movably arranged on the box body. At least one row of flip cover pressing wire teeth is arranged on the end wall of the pressing wire flip cover at the end where it opens and closes with the box body. On the side of the box body where it opens and closes with the pressing wire flip cover, box body pressing wire teeth corresponding to the flip cover pressing wire teeth are arranged. An installation window is opened on the inner side of the box body, i.e., on the side close to the rotation fulcrum of the pressing wire flip cover. A bottom box and terminal blocks arranged in the bottom cover are arranged in the installation window. On the inner walls of both sides of the pressing wire flip cover, corresponding locking inserts are respectively arranged near the end where the pressing wire flip cover opens and closes with the box body. At least one transverse clamping boss is arranged on the outer wall of the locking insert. A locking jack corresponding to the locking insert is opened on the box body. On the inner walls of both sides of the pressing wire flip cover, corresponding downward-opening plugging grooves are respectively arranged at the positions between the edges corresponding to the installation window of the box body near the box body pressing wire teeth and the two locking jacks. A plate-shaped dust-proof plug is arranged in the pair of plugging grooves.

[0005] As a preferred solution, in the plugging type dust-proof junction box, the specific setting mode of the bottom box is: hooks are respectively arranged on the outer walls of both sides of the box body, and clamping mouths corresponding to the hooks on the corresponding outer walls of the box body are respectively arranged on the inner walls of both sides of the bottom box. The hooks on the box body are clamped in the clamping mouths on the corresponding inner walls of the bottom box.

[0006] As a preferred solution, in the described plugging type dust-proof junction box, the specific installation method of the terminal block and the bottom box is as follows: at least one guiding and positioning hole is provided on the bottom surface of the terminal block, and the guiding and positioning hole includes: a columnar guiding hole, and a rotation-preventing positioning long hole is provided on at least one side of the guiding hole; a guiding and positioning convex part corresponding to the guiding and positioning hole on the bottom surface of the terminal block is provided on the bottom box, and the guiding and positioning convex part includes: a columnar convex part corresponding to the guiding hole and a plate-shaped convex part corresponding to the rotation-preventing positioning long hole; the guiding and positioning convex part on the bottom box is arranged in the corresponding guiding and positioning hole on the terminal block.

[0007] As a preferred solution, in the described plugging type dust-proof junction box, the terminal block is a piano key terminal block.

[0008] As a preferred solution, in the described plugging type dust-proof junction box, two rows of flip cover pressing teeth are provided on the end wall at one end where the pressing flip cover opens and closes with the box body, and two rows of box body pressing teeth corresponding to the flip cover pressing teeth are provided on the box body.

[0009] As a preferred solution, in the described plugging type dust-proof junction box, a limiting platform is arranged in the middle on one side where the box body opens and closes with the pressing flip cover, so that the box body pressing teeth are located on both sides of the limiting platform, and a positioning boss corresponding to the limiting platform is provided on the pressing flip cover, so that the flip cover pressing teeth are located on both sides of the positioning boss.

[0010] As a preferred solution, in the described plugging type dust-proof junction box, a connecting through hole is opened on the limiting platform, and a connecting fixing hole corresponding to the connecting through hole is opened on the end surface of the positioning boss.

[0011] As a preferred solution, in the described plugging type dust-proof junction box, a limiting piece matched with the plate-shaped dust-proof plug is arranged in the pressing flip cover.

[0012] As a preferred solution, in the described plugging type dust-proof junction box, a limiting piece matched with the side surface of the corresponding side of the terminal block is arranged in the bottom box.

[0013] As a preferred solution, in the described plugging type dust-proof junction box, at least two transverse clamping bosses are arranged on the outer wall of the locking insert piece, and the cross section of the transverse clamping boss is triangular.

[0014] The beneficial effects of the present utility model are:

[0015] 1. In the present utility model, a plate-shaped dust-proof plug is provided at a position between the edge of the pressing wire flip cover corresponding to the installation window of the box body, near the side of the pressing teeth of the box body, and the two locking jacks, enabling the dust-proof junction box to have good dust-proof ability, making it difficult for foreign objects in the air to enter the junction box, effectively preventing the premature corrosion of the terminal blocks, and thus extending the service life of the terminal blocks.

[0016] 2. In the present utility model, corresponding locking inserts are provided on the inner walls on both sides of the pressing wire flip cover, at least one transverse clamping boss is provided on the outer wall of the locking insert, and locking jacks corresponding to the locking inserts are opened on the box body, so that the pressing wire flip cover can be reliably locked on the box body, further improving the dust-proof effect.

[0017] 3. In the present utility model, the terminal blocks are arranged in the bottom box, hooks are provided on the outer walls on both sides of the box body, bayonets are provided on the inner walls on both sides of the bottom box, and the terminal block assembly composed of the terminal blocks and the bottom box is clamped on the box body, thus greatly facilitating the replacement of the terminal blocks.

[0018] 4. In the present utility model, guiding positioning holes are provided on the bottom surface of the terminal blocks, and guiding positioning convex parts corresponding to the guiding positioning holes on the bottom surface of the terminal blocks are provided on the bottom cover, so that the terminal blocks can be installed on the bottom cover in a plug-in manner, greatly facilitating the disassembly and assembly of the terminal blocks and improving the disassembly and assembly efficiency.

[0019] 5. In the present utility model, a limiting platform is provided in the middle of one side of the box body where the pressing wire flip cover opens and closes, the pressing teeth of the box body are located on both sides of the limiting platform, and positioning convex blocks corresponding to the limiting platform are provided on the pressing wire flip cover, so that the pressing teeth of the flip cover are located on both sides of the positioning convex blocks, and thus the cable can be divided into two strands and enter the box body from both sides of the positioning convex blocks, making the gap between the cable and the pressing teeth of the box body and the pressing teeth of the flip cover smaller, further improving the dust-proof effect.

[0020] 6. In the present utility model, a limiting piece cooperating with the plate-shaped dust-proof plug is provided in the pressing wire flip cover, so that the plate-shaped dust-proof plug maintains an upright posture, ensuring the dust-proof effect of the plate-shaped dust-proof plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a partial cross-sectional structural schematic diagram of the plugging type dust-proof junction box of the present utility model.

[0022] Figure 2 is an exploded structural schematic diagram of the plugging type dust-proof junction box of the present utility model.

[0023] Figure 3 is a structural schematic diagram of the plugging type dust-proof junction box of the present utility model in an open state.

[0024] Figure 4 It is a schematic three-dimensional structure diagram of a 6-hole terminal block for piano keys.

[0025] Figures 1 to 4 The reference numerals in the figure are respectively: 1, bottom box; 11, guiding and positioning convex part; 111, columnar convex part; 112, plate-shaped convex part; 12, bayonet; 13, limiting piece; 2, 6-hole terminal block for piano keys; 21, guiding and positioning hole; 211, guiding hole; 212, anti-rotation positioning long hole; 3, box body; 31, installation window; 32, hook; 33, box body wire pressing teeth; 341, flipping convex part; 3411, rotating shaft installation groove; 342, supporting platform; 35, limiting platform; 351, connecting through hole; 37, locking jack; 38, baffle; 4, wire pressing flip cover; 441, rotating shaft; 4411, rotating shaft supporting arm; 442, columnar supporting part; 4421, rotating supporting arm; 43, flip cover wire pressing teeth; 45, positioning boss; 451, connecting and fixing hole; 46, limiting piece; 47, locking insert; 471, transverse clamping convex platform; 48, slot for plugging and blocking; 5, plate-shaped dust plug; 91, first strand of cable; 92, second strand of cable. Detailed implementation manners

[0026] Next, in conjunction with the attached Figures 1 to 4 , a specific implementation scheme of a plugging and blocking type dust-proof junction box according to the present utility model will be described in detail.

[0027] As Figures 1 to 3As shown in the figure, a plugging type dust-proof junction box of the present utility model includes: a box body 3, and a pressing wire flip cover 4 movably arranged on the box body 3. The specific setting method of the pressing wire flip cover 4 is as follows: a rotating support arm 4421 is arranged in the middle of the pressing wire flip cover 4 on the side of its rotation fulcrum, a columnar support part 442 is arranged at the end of the rotating support arm 4421, the pressing wire flip cover 4 is respectively provided with a rotating shaft support arm 4411 on both sides of the rotating support arm 4421, corresponding rotating shafts 441 are arranged on the outer sides of the two rotating shaft support arms 4411, a support platform 342 corresponding to the columnar support part 442 and turning convex parts 341 located on both sides of the support platform 342 are arranged on the box body 3, a rotating shaft installation groove 3411 corresponding to the rotating shaft 441 is arranged in the turning convex part 341, the two rotating shafts 441 on the pressing wire flip cover 4 are arranged in the rotating shaft installation grooves 3411 on the turning convex parts 341 of the box body 3, and the columnar support part 442 on the pressing wire flip cover 4 is supported on the support platform 342 of the box body 3; a limiting platform 35 is arranged in the middle of one side of the box body 3 where it opens and closes with the pressing wire flip cover 4, two rows of corresponding box body pressing wire teeth 33 are respectively arranged on both sides of the limiting platform 35 of the box body 3, a positioning boss 45 corresponding to the limiting platform 35 and two rows of flip cover pressing wire teeth 43 located on both sides of the positioning boss 45 and corresponding to the corresponding box body pressing wire teeth 33 are arranged at one end of the pressing wire flip cover 4 where it opens and closes with the box body 3, a connection through hole 351 is opened on the limiting platform 35, and a connection fixing hole 451 corresponding to the connection through hole 351 is opened on the end face of the positioning boss 45; an installation window 31 is opened on the inner side of the box body 3, that is, on the side close to the rotation fulcrum side of the pressing wire flip cover 4, a bottom box 1 and a piano key 6-hole wiring terminal 2 arranged in the bottom cover 1 are arranged in the installation window 31. The specific installation method of the piano key 6-hole wiring terminal 2 and the bottom box 1 is as follows: such as Figure 4As shown, two guiding positioning holes 21 are provided on the bottom surface of the 6-hole terminal 2 of the piano key. The guiding positioning holes 21 include: a columnar guiding hole 211, and anti-rotation positioning elongated holes 212 are respectively arranged on both sides of the guiding hole 211; on the bottom case 1, there is a guiding positioning convex part 11 corresponding to the guiding positioning holes 21 on the bottom surface of the 6-hole terminal 2 of the piano key. The guiding positioning convex part 11 includes: a columnar convex part 111 corresponding to the positioning hole 211, and a plate-shaped convex part 112 corresponding to the anti-rotation positioning elongated hole 212; the guiding positioning convex part 11 on the bottom case 1 is arranged in the corresponding guiding positioning holes 21 on the 6-hole terminal 2 of the piano key; on both inner walls of the wire pressing flip cover 4, locking inserts 47 are respectively arranged near one end where the wire pressing flip cover 4 and the box body 3 are opened and closed. On the outer wall of the locking insert 47, there are three laterally clamping bosses 471 arranged in a triangular cross-section; on the box body 3, there are locking jacks 37 corresponding to the locking inserts 47; on both inner walls of the wire pressing flip cover 4, at positions corresponding to the edges of the installation window 31 of the box body 3 near the wire pressing teeth 33 of the box body and between the two locking jacks 37, corresponding downward-opening plugging grooves 48 are respectively opened. In the pair of plugging grooves 48, there is a plate-shaped dust-proof plug 5 (elastic body) made of silica gel material; the specific setting method of the bottom case 1 is: on the outer walls of both sides of the box body 3, hooks 32 are respectively arranged, and on the inner walls of both sides of the bottom case 1, there are bayonets 12 corresponding to the hooks 32 on the corresponding outer walls of the box body 2. The hooks 32 on the box body 3 are clamped in the bayonets 12 on the inner walls of the corresponding sides of the bottom case 1.

[0028] During actual application, a limiting piece 13 is also arranged in the bottom case 1 to cooperate with the left side surface of the 6-hole terminal 2 of the piano key; on both side edges of the installation window 31 of the box body 3, there are baffles 38 cooperating with the 6-hole terminal 2 of the piano key; in the wire pressing flip cover 4, there is also a limiting piece 46 cooperating with the plate-shaped dust-proof plug 5.

[0029] The assembly process of the present utility model is: insert the 6-hole terminal 2 of the piano key into the bottom case 1, then clamp the bottom case 1 with the 6-hole terminal 2 of the piano key in the installation window 31 of the box body 3, insert the plate-shaped dust-proof plug 5 into the wire pressing flip cover 4, and finally, install the wire pressing flip cover 4 on the box body 3.

[0030] During actual use, the first cable 91 and the second cable 92 can be respectively clamped between the wire pressing teeth 33 on the corresponding side of the limiting platform 35 on the box body 3 and the flip cover wire pressing teeth 43 on the corresponding side of the positioning boss 45 on the wire pressing flip cover 4.

[0031] In summary, the above are only the preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model. Any equivalent changes and modifications made to the shape, structure, features and spirit described in the scope of the claims of the present utility model shall be included within the scope of the claims of the present utility model.

Claims

1. A plugging type dust-proof junction box, comprising: A box body and a pressing line flip cover movably arranged on the box body, characterized in that at least one row of flip cover pressing line teeth is arranged on the end wall of the pressing line flip cover at the end where it opens and closes with the box body, and box body pressing line teeth corresponding to the flip cover pressing line teeth are arranged on one side of the box body where it opens and closes with the pressing line flip cover. An installation window is opened on the inner side of the box body, i.e., the side close to the rotation fulcrum of the pressing line flip cover, and a bottom box and a wiring terminal arranged in the bottom cover are arranged in the installation window. Corresponding locking inserts are respectively arranged on the inner walls on both sides of the pressing line flip cover close to the end where the pressing line flip cover opens and closes with the box body, at least one transverse clamping boss is arranged on the outer wall of the locking insert, and a locking jack corresponding to the locking insert is opened on the box body. Corresponding downward-opening plugging grooves for blocking are respectively opened on the inner walls on both sides of the pressing line flip cover at the positions between the edge of the box body installation window close to the box body pressing line teeth and the two locking jacks, and a plate-shaped dust plug is arranged in the pair of plugging grooves for blocking. The specific installation method of the wiring terminal and the bottom box is as follows: at least one guiding positioning hole is arranged on the bottom surface of the wiring terminal, and the guiding positioning hole includes: a columnar guiding hole, and a rotation-preventing positioning long hole is arranged on at least one side of the guiding hole. A guiding positioning convex part corresponding to the guiding positioning hole on the bottom surface of the wiring terminal is arranged on the bottom box, and the guiding positioning convex part includes: a columnar convex part corresponding to the guiding hole and a plate-shaped convex part corresponding to the rotation-preventing positioning long hole. The guiding positioning convex part on the bottom box is arranged in the corresponding guiding positioning hole on the wiring terminal.

2. The plugging type dustproof junction box according to claim 1, characterized in that, The specific setting method of the bottom box is as follows: hooks are respectively arranged on the outer walls on both sides of the box body, and clamping mouths corresponding to the hooks on the corresponding outer walls of the box body are respectively arranged on the inner walls on both sides of the bottom box, and the hooks on the box body are clamped in the clamping mouths on the inner walls on the corresponding sides of the bottom box.

3. The plugging type dust-proof junction box according to claim 1, characterized in that, The wiring terminal is a piano key wiring terminal.

4. The plugging type dust-proof junction box according to claim 1, characterized in that, Two rows of flip cover pressing line teeth are arranged on the end wall of the pressing line flip cover at the end where it opens and closes with the box body, and two rows of box body pressing line teeth corresponding to the flip cover pressing line teeth are arranged on the box body.

5. The plugging type dust-proof junction box according to claim 4, characterized in that, A limiting platform is arranged in the middle on one side of the box body where it opens and closes with the pressing line flip cover, so that the box body pressing line teeth are located on both sides of the limiting platform, and a positioning convex platform corresponding to the limiting platform is arranged on the pressing line flip cover, so that the flip cover pressing line teeth are located on both sides of the positioning convex platform.

6. The plugging type dust-proof junction box according to claim 5, characterized in that, A connecting through hole is opened on the limiting platform, and a connecting fixing hole corresponding to the connecting through hole is opened on the end surface of the positioning convex platform.

7. The plugging type dust-proof junction box according to claim 1, characterized in that, A limiting piece matched with the plate-shaped dust plug is arranged in the pressing line flip cover.

8. The plugging type dust-proof junction box according to claim 1, wherein, A limiting piece matched with the side surface on the corresponding side of the wiring terminal is arranged in the bottom box.

9. A plugging type dust-proof junction box according to any one of claims 1 to 8, characterized in that, At least two transverse clamping bosses are arranged on the outer wall of the locking insert, and the cross section of the transverse clamping boss is triangular.

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