CN214479360U

CN214479360U - Improved junction box

Info

Publication number: CN214479360U
Application number: CN202120938102.3U
Authority: CN
Inventors: 张福祥
Original assignee: Zhejiang Mike Photoelectric Technology Co ltd
Current assignee: Zhejiang Mike Photoelectric Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-22
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a household electrical appliances field, especially an improve terminal box. The internal wiring end in the existing electrical appliance wiring box is exposed, the whole wiring terminal is easy to disassemble, and the change of the internal wiring can bring fault risk and even fire hazard. The utility model provides an improve terminal box, including box body and lid and binding post, can dismantle between lid and the box body and be connected, establish the wire outlet on the lid, binding post includes inside wiring end and outside wiring end, be equipped with an interior box in the box body, binding post locates in the box, interior box includes interior box body and interior lid, and interior box body inlays outwards from the electrical apparatus box inboard and locates in the box body, is equipped with two rows of through-holes on the interior box body diapire and forms outside line through wires hole and the outside wiring end handle hole that matches with the outside wiring end respectively. The utility model discloses hide binding post in the electrical apparatus box inboard, the installer can not dismantle binding post adjustment change internal wiring easily, and electrical apparatus wiring security is secure.

Description

Improved junction box

Technical Field

The utility model relates to a household electrical appliances field, especially an improve terminal box.

Background

Common ceiling electrical apparatus can all dispose centrifugal fan and dedicated terminal box like the inside of bathroom heater and cold air heater, sets up the binding post that makes things convenient for the threading fastening in the terminal box, and whole binding post passes through the screw can be dismantled and fix on the box body, and binding post includes internal connection end and external connection end for regular electrical apparatus's internal electric wire and external electric wire, make things convenient for the installer to connect external electric wire. Although the junction box structure on the existing ceiling electrical appliance is convenient for an installer to connect an external electric wire, the internal structure of the junction box is not reasonable enough, the box cover of the junction box can be opened to directly see the internal wiring end and the external wiring end which are exposed side by side, and simultaneously, the wiring terminals formed by the two internal wiring ends and the external wiring ends are also detachably connected onto the box body through screws, so that the connection of the internal electric wire and the external electric wire on the wiring terminals is easily changed, if the installer does not adjust the wiring in an unauthorized way through formal training, the normal function operation of the ceiling electrical appliance is influenced, the follow-up circuit fault can be caused, even the fire is caused, once the wiring terminals are ignited, only the box body and the box cover are buckled to carry out flame-retardant protection, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and the technical task that the utility model provides an improved junction box, which solves the problems that the internal wiring end in the existing junction box of the ceiling electric appliance is exposed and the whole wiring terminal is easy to be disassembled, the installer can easily adjust and change the fault risk or even fire caused by the internal wiring, and the safety of the flame-retardant protection is poor once the wiring terminal is on fire, the wiring terminal is hidden in the inner side of the box body of the electric appliance, the installer can not easily disassemble the wiring terminal to adjust and change the internal wiring, and the wiring safety of the ceiling electric appliance is improved; meanwhile, the inner box covers the wiring terminal to strengthen flame retardance and improve safety protection.

The utility model provides a technical scheme that technical problem adopted: the utility model provides an improve terminal box, includes box body and lid and binding post, the box body is located the surface of electrical apparatus box and rather than integrated into one piece, can dismantle between lid and the box body and be connected, is equipped with the outlet on the lid, and binding post includes internal wiring end and external wiring end, characterized by be equipped with an interior box in the box body, binding post locates in the box, interior box includes interior box body and interior lid, and interior box body inlays outwards from the electrical apparatus box is inboard and locates in the box body, and box body inner wall upper shed forms the embedding installing port that corresponds, and the open end of interior box body and the internal face rigid coupling of the electrical apparatus box body at box body place are equipped with two rows of through-holes on the inner box body diapire and form external wiring through wires hole and the external wiring end handle hole that matches with the external wiring end respectively. The utility model discloses an add the inner box body of taking the lid in the box body of current terminal box, wrap up binding post in it completely and protect, installer can only see inner box and the external line threading hole and the external wiring end handle hole of seting up on it after opening the lid, can only carry out external line and penetrate and the operation of working a telephone switchboard during operation, can not dismantle binding post under the condition of not opening the electrical apparatus box, can't adjust and change internal connection more, electrical apparatus wiring security has been improved, internal line threading and the wiring that internal wiring end is supporting just have been installed when the product leaves the factory and need not to adjust; meanwhile, the whole wiring terminal is wrapped in the inner box, the flame-retardant effect can be enhanced, the electrical safety is further improved, and the inner box is made of a high-flame-retardant material, so that the manufacturing effect is better. When the electric appliance box is used, the inner box body is embedded into the installation box body from the inner side of the electric appliance box body to the outside, and meanwhile, the opening end of the inner box body is fixedly connected with one side of the inner wall surface of the electric appliance box body where the box body is located, so that the inner box body cannot be disassembled from one side of the box body under the condition that the electric appliance box body is not opened, and the wiring terminal in the inner box body is difficult to operate to change internal wiring.

As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure: the outer threading hole and the outer wiring terminal operation hole are respectively arranged on two connecting faces which are vertical to each other on the bottom wall of the inner box body, and the outer threading hole faces the wire outlet on the box cover. External line threading hole and external wiring terminal operation hole are established respectively to two mutually perpendicular's connection face on the internal box body diapire, avoid the threading route of outer pipeline and external wiring terminal operation mutual interference to cause inconvenience, and external line threading hole face is towards the outlet on the lid simultaneously, makes things convenient for external line to directly go into external line threading hole and connect external wiring terminal after the outlet.

The inner box body extends to form a lug at two sides of the edge of the opening end respectively, two convex columns matched with the lug extend from the inner wall surface of the electric appliance box body where the box body is located, the lug is fixedly connected with the convex columns through screws so that the inner box body is fixed on the inner wall surface of the electric appliance box body, and corresponding mounting holes are formed in the lug and the convex columns. The inner box body is fixed by butting the lugs on the inner box body with the convex columns on the inner wall surface of the electrical box body, the two lugs and the two convex columns are respectively connected through screws and can be detached, and the detachment can be carried out only after the electrical box body is opened.

Two locking lugs matched with the lugs extend out of the edge of the inner box cover, mounting holes matched with screws penetrating through the lugs are formed in the locking lugs, and the inner box cover penetrates through the corresponding locking lugs and the lugs through the screws to cover the opening of the inner box body. The inner box cover also extends to match with two lugs on the inner box body, the same screw sequentially penetrates through the locking lugs and the lugs during assembly and is screwed into the mounting hole of the convex column, the inner box cover covers the opening of the inner box body, meanwhile, the whole inner box is also fixed on the inner wall surface of the electric appliance box body, and the inner box cover and the inner box are fixed in one-time installation.

The box body sets up the seal groove along the edge in the opening position, lid bottom surface sets up the sealed face that matches with the seal groove along the edge, is equipped with the joint structure of connecting box body and lid dismantled between seal groove and the sealed face, the joint structure is including locating the bayonet socket on the seal groove and the buckle on the sealed face. A sealing groove and a sealing surface which are matched with each other are respectively arranged between the box body and the box cover along the butt joint edge, so that the sealing performance of the box cover after the box body is covered by the box cover is improved; meanwhile, the sealing groove and the sealing surface are respectively provided with a bayonet and a buckle which are matched with each other, so that the detachable chain connection between the box cover and the box body is realized.

The inner box cover is connected with the edge of the opening end of the inner box body through a bending section extending along the long edge of the inner box cover. The inner box cover is connected to the opening end edge of the inner box body through a bending section, so that the inner box cover is convenient to assemble, and the inner box cover and the inner box body are connected together, so that part loss is not easy to occur.

The box body is formed by the inner concave of the bottom wall of the electric appliance box body and the side wall connected with the bottom wall of the electric appliance box body in the butt joint position, the box cover is formed by integrally connecting the top wall of the box cover with the side wall of the box cover, and the top wall of the box cover and the side wall of the box cover are respectively flushed with the bottom wall of the electric appliance box body and the side wall of the electric appliance box body which are adjacent to each other when the box cover covers the opening of the box body. The bottom wall of the electric appliance box body and the adjacent side wall are inwards concave at the butt joint position to form a groove as a box body, so that the production and the manufacture are convenient; when lid closing cap box body opening simultaneously, lid both sides flush with adjacent electrical apparatus box surface respectively, and whole electrical apparatus box surface is levelly and smoothly unified, can not have extra unevenness, and convenient follow-up installation and construction on the furred ceiling.

The outlet on the box cover is arranged on a wire bundling plate formed on the side wall of the box cover, the outlet is located at the bottom end of the side wall of the box cover, and the wire bundling plate is connected with the adjacent side wall of the box cover through a plurality of breakable short columns arranged on the edge. The outlet is provided in a harness plate located in the side wall of the lid, the harness plate being removable by breaking the stubs, the harness plate being removable to form an opening of substantial size to allow a plurality of external wires to pass side by side, the harness plate being retained when not removed to allow a plurality of external wires to be bundled together for passage through the outlet.

The box body is internally provided with an upper pressing line and a lower pressing line which can be locked and fixed up and down, the lower pressing line is fixed on the bottom wall of the box body between an external threading hole and a wire outlet, the top surface of the lower pressing line is provided with a wire pressing groove and a wire leading groove which correspond to the external threading hole in an arranging manner, the number of the wire leading grooves is less than that of the wire pressing grooves, the width and the depth of each wire leading groove are greater than those of the wire pressing grooves, and the upper pressing line is locked and sealed at the top ends of the openings of the wire pressing grooves and the wire leading grooves through screws and the lower pressing line. Go up the line of pressing and the line of pressing down can constitute the regular restraint of reason line structure to external line, and external line passes in from the outlet on the lid during use and passes through line ball groove and lead wire groove, and the external line threading hole that penetrates interior box connects external terminal again, and the open top that will line ball groove and lead wire groove is sealed when going up, the line of pressing down locking, and it is spacing to retrain the external line that passes through the groove.

The utility model discloses an add the inner box body of taking the lid in the box body of current terminal box, wrap up binding post in it completely and protect, installer can only see inner box and the external line through wires hole and the external wiring end handle hole of seting up on it after opening the lid, also can only carry out external line to penetrate and the operation of working a telephone switchboard during the operation, be difficult to dismantle binding post under the condition of not opening the electrical apparatus box, can't adjust and change internal wiring even more, improved electrical apparatus wiring security; the whole parcel of binding post can strengthen flame retardant efficiency in interior box, further promotes electrical safety.

Drawings

FIG. 1: the utility model discloses explosion structure sketch map one.

FIG. 2: the utility model discloses explosion structure schematic diagram two.

FIG. 3: the utility model discloses the equipment schematic diagram (remove the lid).

FIG. 4: the utility model discloses interior box schematic diagram.

In the figure: 1. the box comprises a box body, a box cover 2, a box cover 21, an outlet, a box cover 22, a box cover top wall 23, a box cover side wall 3, an electrical appliance box body 4, an inner box body 41, a lug, an inner box cover 5, a bending section 51, a locking lug 52, an embedded mounting opening 6, an external wire threading hole 7, an external terminal operating hole 8, a convex column 9, a sealing groove 10, a bayonet 101, a sealing surface 11, a buckle 111, a wire bundling plate 12, a short column 13, an upper pressing line 14, a lower pressing line 15, a wire pressing line 16 and a wire leading line groove 17.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 4, an improved junction box comprises a box body 1, a box cover 2 and a connecting terminal, wherein the box body 1 is arranged on the surface of an electrical appliance box body 3 and is integrally formed with the electrical appliance box body, in the embodiment, the box body 1 is formed by the inner concave of the butt joint of the bottom wall of the electrical appliance box body 3 and the connected side wall, the box cover 2 is formed by integrally connecting a box cover top wall 22 and a box cover side wall 23, when the box cover 2 covers an opening of the box body 1, the box cover top wall 22 and the box cover side wall 23 are respectively flush with the adjacent bottom wall of the electrical appliance box body 3 and the side wall of the electrical appliance box body 3, the box cover 2 is detachably connected with the box body 1, the box body 1 is provided with a sealing groove 10 along the edge at the opening position, a sealing surface 11 matched with the sealing groove 10 is arranged along the edge at the bottom surface of the box cover 2, a clamping structure for detachably connecting the box body 1 and the box cover 2 is arranged between the sealing surface 10 and the sealing surface 11, the clamping structure comprises a bayonet 101 arranged on the sealing groove 10 and a buckle 111 on the sealing surface 11, the box cover 2 is provided with an outlet 21, the specific outlet 21 is arranged on a wire bundling plate 12 formed on the box cover side wall 23, the outlet 21 is positioned at the bottom end of the box cover side wall 23, and the wire bundling plate 12 is connected with the adjacent box cover side wall 23 through a plurality of breakable short columns 13 arranged on the edge.

The wiring terminal comprises an internal wiring terminal and an external wiring terminal (not shown), an inner box is arranged in the box body 1, the wiring terminal is arranged in the inner box, the inner box comprises an inner box body 4 and an inner box cover 5, the inner box cover 5 is connected with the edge of the opening end of the inner box body 4 through a bending section 51 extending along the long edge of the inner box cover, the inner box body 4 is embedded in the box body 1 from the inner side of the electric appliance box body 3 to the outside, the upper opening of the inner wall of the box body 1 forms a corresponding embedded mounting opening 6, the opening end of the inner box body 4 is fixedly connected with the inner wall surface of the electric appliance box body 3 where the box body 1 is located, in the embodiment, the two sides of the edge of the opening end of the inner box body 4 extend to form a lug 41, two convex columns 9 matched with the lug 41 extend out from the inner wall surface of the electric appliance box body 3 where the box body 1 is located, and the lug 41 is fixedly connected with the inner box body 4 on the inner wall surface of the electric appliance box body 3 through screws and the convex columns 9, the lug 41 and the convex column 9 are provided with corresponding mounting holes; two locking lugs 52 matched with the lugs 41 also extend out of the edge of the inner box cover 5, mounting holes matched with screws penetrating through the lugs 41 are formed in the locking lugs 52, the inner box cover 5 penetrates through the corresponding locking lugs 52 and the lugs through the screws to cover the opening of the inner box body 4, the same screws sequentially penetrate through the locking lugs 52 and the lugs 41 and then are screwed into the mounting holes of the convex columns 9 during assembly, the inner box cover covers the opening of the inner box body, and the whole inner box is fixed on the inner wall surface of the electric box body 3.

Two rows of through holes are formed in the bottom wall of the inner box body 4 to form an external threading hole 7 and an external terminal operating hole 8 which are matched with an external terminal respectively, wherein the external threading hole 7 and the external terminal operating hole 8 are respectively arranged on two connecting faces which are perpendicular to each other on the bottom wall of the inner box body 4, and meanwhile, the external threading hole 7 faces to a wire outlet 21 on the box cover 2; the box body 1 is also internally provided with an upper pressing line 14 and a lower pressing line 15 which can be locked and fixed up and down, the lower pressing line 15 is fixed on the bottom wall of the box body 1 between the outer threading hole 7 and the wire outlet 21, the top surface of the lower pressing line 15 is provided with a wire pressing groove 16 and a wire leading groove 17 which correspond to the outer threading hole 7 in an arrayed manner, the number of the wire leading grooves 17 is less than that of the wire pressing groove 16, the width and the depth of the wire leading groove 17 are both greater than that of the wire pressing groove 16, and the upper pressing line 14 is locked and sealed at the top ends of the openings of the wire pressing groove 16 and the wire leading groove 17 through screws and the lower pressing line 15.

The utility model discloses set up an inner box body of taking the lid in the box body of current terminal box, wrap up binding post in it completely and protect, because the inner box body is from the electrical apparatus box inboard outside the embedding installation box body, simultaneously inner box body open end and the electrical apparatus box internal face one side rigid coupling that the box body was located, installer can only see inner box and the external line through wires hole and the external wiring end handle hole seted up on it after opening the lid, also can only carry out external line to penetrate and the wiring operation during the operation, be difficult to dismantle binding post under the condition of not opening the electrical apparatus box body, can't adjust and change internal wiring more, improved electrical apparatus wiring security; the whole parcel of binding post can strengthen flame retardant efficiency in interior box, further promotes electrical safety.

Claims

1. The utility model provides an improve terminal box, includes box body (1) and lid (2) and binding post, the surface of electrical apparatus box (3) is located in box body (1) and rather than integrated into one piece, can dismantle between lid (2) and the box body (1) and be connected, is equipped with outlet (21) on lid (2), and binding post includes internal wiring end and external wiring end, characterized by be equipped with an interior box in box body (1), binding post locates in the interior box, interior box includes interior box body (4) and interior lid (5), and interior box body (4) are from the inside embedding of electrical apparatus box (3) outwards in locating box body (1), and the opening forms corresponding embedding installing port (6) on box body (1) inner wall, and the open end of interior box body (4) and the internal face rigid coupling of electrical apparatus box (3) at box body (1) place are equipped with two rows of through-holes on interior box body (4) diapire respectively form external wiring hole (7) and external wiring end operation wiring end hole (7) that match with external wiring end A hole (8).

2. The improved terminal box as claimed in claim 1, wherein said external threading hole (7) and said external terminal operating hole (8) are respectively provided on two connecting faces perpendicular to each other on the bottom wall of the inner box body (4), and the external threading hole (7) faces the outlet (21) of the box cover (2).

3. The improved junction box as claimed in claim 1, wherein the inner box body (4) extends to form a lug (41) at each of two sides of the opening end edge, two convex columns (9) matched with the lugs (41) extend from the inner wall surface of the electrical appliance box body (3) where the box body (1) is located, the lugs (41) are fastened and connected with the convex columns (9) through screws so that the inner box body (4) is fixed on the inner wall surface of the electrical appliance box body (3), and the lugs (41) and the convex columns (9) are provided with corresponding mounting holes.

4. The improved junction box as claimed in claim 3, wherein two locking lugs (52) matched with the lugs (41) extend out from the edge of the inner box cover (5), mounting holes matched with screws penetrating through the lugs (41) are formed in the locking lugs (52), and the inner box cover (5) covers the opening of the inner box body (4) through the corresponding locking lugs (52) and the lugs by the screws.

5. The improved junction box as claimed in claim 1, wherein the box body (1) is provided with a sealing groove (10) along the edge at the opening position, the bottom surface of the box cover (2) is provided with a sealing surface (11) matched with the sealing groove (10) along the edge, a clamping structure for detachably connecting the box body (1) and the box cover (2) is arranged between the sealing groove (10) and the sealing surface (11), and the clamping structure comprises a bayonet (101) arranged on the sealing groove (10) and a buckle (111) arranged on the sealing surface (11).

6. Improved terminal box according to claim 1, characterised in that the inner box cover (5) is connected to the open end edge of the inner box (4) by a bent section (51) extending along its long side.

7. The improved junction box as claimed in any one of claims 1 to 6, wherein the box body (1) is formed by recessing the bottom wall of the electrical box body (3) and the connected side wall at the butt joint, the box cover (2) is formed by integrally connecting the box cover top wall (22) and the box cover side wall (23), and the box cover top wall (22) and the box cover side wall (23) are respectively flush with the adjacent bottom wall of the electrical box body (3) and the side wall of the electrical box body (3) when the box cover (2) covers the opening of the box body (1).

8. The improved junction box of claim 7, characterized in that the outlet (21) of the box cover (2) is opened on a line-tying plate (12) formed on the side wall (23) of the box cover, and the outlet (21) is positioned at the bottom end of the side wall (23) of the box cover, and the line-tying plate (12) is connected with the adjacent side wall (23) of the box cover by arranging a plurality of breakable short columns (13) on the edge.

9. The improved junction box as claimed in any one of claims 1 to 6, wherein an upper pressing line (14) and a lower pressing line (15) which can be locked and fixed up and down are arranged in the box body (1), the lower pressing line (15) is fixed on the bottom wall of the box body (1) between the outer threading hole (7) and the wire outlet (21), a wire pressing groove (16) and a wire leading groove (17) which correspond to the outer threading hole (7) are arranged on the top surface of the lower pressing line (15), the number of the wire leading grooves (17) is less than that of the wire pressing groove (16), the width and depth of the wire leading groove (17) are greater than that of the wire pressing groove (16), and the upper pressing line (14) is locked and sealed on the open top ends of the wire pressing groove (16) and the wire leading groove (17) through a screw and the lower pressing line (15).