Switching device for concealed installation of bottom box

By designing an adapter for concealed junction boxes, the problem of structural damage and decorative destruction during the renovation of concealed electrical wiring is solved, enabling a rapid conversion from concealed to exposed wiring, and providing a safe, reliable, and aesthetically pleasing installation effect.

CN223567264UActive Publication Date: 2025-11-18CHINA SIXTH METALLURGICAL CONSTR
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Patent Information

Application Number
CN202423121791.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-18
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing technologies, once the construction of concealed electrical wiring is completed, it is necessary to re-chisel and open grooves when adding or changing the function later, which will cause damage to the building structure and decoration. In addition, there is a lack of effective conversion devices to realize the conversion from concealed junction boxes to surface-mounted wiring.

Method used

Design an adapter for a concealed junction box, including an adapter box body and a cover plate, which are fixedly connected to the concealed junction box by fasteners to form a wire hole and a detachable wire blocking part, so as to realize the conversion of concealed wiring to exposed wiring, and the use of flame-retardant materials to ensure safety and reliability.

Benefits of technology

It enables a rapid conversion from concealed wiring to exposed wiring, is easy to install without damaging the building structure, and is both safe and aesthetically pleasing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a switching device for a concealed installation bottom box, which comprises a switching box body, a cover plate and at least two fasteners, the shape of the switching box body is matched with that of the concealed installation bottom box, the switching box body comprises an annular circumferential side wall and at least two connecting parts symmetrically arranged on the inner side of the circumferential side wall, wherein a first connecting hole is formed in one connecting part, and a second connecting hole is formed in the other connecting part; the circumferential side wall is provided with a wire blocking part, so that a threading hole can be formed in the circumferential side wall after the wire blocking part is removed; the cover plate can seal the top of the switching box body, and the cover plate is provided with a first via hole matched with the first connecting hole and a second via hole matched with the second connecting hole; one fastener can penetrate through the first through hole to be fixedly connected with the first connecting hole and the concealed installation bottom box, and the other fastener can penetrate through the second through hole to be fixedly connected with the second connecting hole and the concealed installation bottom box. After the switching device is additionally arranged on the concealed installation bottom box, a concealed wiring circuit can be changed into an exposed installation circuit, and installation is fast, safe and reliable.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of junction boxes, in particular to a switching device for a concealed bottom box. BACKGROUND

[0002] In building engineering, electrical lines are generally laid in a concealed manner. During the construction process, concealed bottom boxes and line pipes are pre-buried, and after the decoration is basically completed, the lines are threaded and lamps, switches, sockets, etc. are installed. The advantage of this method is that the electrical lines are hidden in the civil structure, which does not affect the decoration effect, but at the same time, it also has great limitations.

[0003] The construction of the concealed line is completed and fixed, and if the use function is increased or changed later, the concealed bottom box and line pipe need to be pre-buried by re-cutting and grooving. This method not only damages the building structure, but also causes certain damage to the decoration part, and the construction and repair cost is high. For some old houses, cutting and grooving also has great limitations.

[0004] Under the premise of meeting the basic use function, the more economical way is to increase the exposed line. In order to ensure the visual quality of the exposed line, a specific switching device needs to be installed on the concealed bottom box to ensure that the electrical wires connected from the concealed bottom box are not exposed. At present, there is no such switching device, so it is necessary to design a switching device for a concealed bottom box during the line supplement or moving process. CONTENT OF THE INVENTION

[0005] To solve the above technical problems, the present application provides a switching device for a concealed bottom box, comprising: a switching box body, the shape of the switching box body is matched with the concealed bottom box; the switching box body comprises a ring-shaped circumferential side wall and at least two connection parts symmetrically arranged on the inner side of the circumferential side wall, one of the connection parts is provided with a first connecting hole, and the other of the connection parts is provided with a second connecting hole; the circumferential side wall has at least one detachable wire blocking part, so that at least one threading hole can be formed on the circumferential side wall after the wire blocking part is removed; a cover plate, the cover plate can close the top of the switching box body, the cover plate has a first through hole matched with the first connecting hole and a second through hole matched with the second connecting hole; at least two fasteners, one of the fasteners can be fixedly connected with the first connecting hole and the concealed bottom box through the first through hole, and the other of the fasteners can be fixedly connected with the second connecting hole and the concealed bottom box through the second through hole.

[0006] In some embodiments of the present application, the switching device for the concealed bottom box further comprises a socket mounted on the inner side of the cover plate, and a part of the socket is exposed to the outer side of the cover plate.

[0007] In some embodiments of the present application, the outer side of the cover plate has an annular clamping groove, and the first through hole and the second through hole are both located in the annular clamping groove; the adapter device for the concealed bottom box further comprises an annular sealing ring matched with the annular clamping groove, the annular sealing ring can be inserted and fixed in the annular clamping groove, and the surface of the annular sealing ring is flush with the outer side of the cover plate.

[0008] In some embodiments of the present application, the adapter box further comprises at least one insertion part, the insertion part is perpendicular to the circumferential side wall, and the position of the insertion part corresponds to the position of the blocking line part.

[0009] In some embodiments of the present application, the cross-sectional shape of the adapter box is square, and the blocking line part has two blocking line parts, and the center line between the two blocking line parts is perpendicular to the center line between the two connecting parts.

[0010] In some embodiments of the present application, the adapter device for the concealed bottom box further comprises a protective cover capable of covering the adapter box, and the protective cover is movably connected with the outer side of the adapter box, so that the protective cover can be switched between an open state and a closed state.

[0011] In some embodiments of the present application, the length of the single side of the circumferential side wall is 80-100mm, the wall thickness of the circumferential side wall is 1.5-3mm, and the height of the circumferential side wall is 20-30mm.

[0012] In some embodiments of the present application, the shape of the blocking line part is rectangular, circular or semicircular.

[0013] In some embodiments of the present application, the adapter box further comprises a plurality of reinforcing ribs arranged on the inner side of the circumferential side wall.

[0014] In some embodiments of the present application, the adapter box and the cover plate are both made of flame-retardant material.

[0015] The utility model discloses a switching device for concealed bottom box, including switching box body, apron and at least two fasteners, the shape of switching box body is compatible with concealed bottom box, switching box body includes annular circumferential side wall, and at least two connecting parts are symmetrically arranged in the inside of circumferential side wall, wherein a connecting part is provided with first connecting hole, and another connecting part is provided with second connecting hole, circumferential side wall has the wire blocking part, so that wire blocking part removes, can form the threading hole on circumferential side wall, apron can enclose the top of switching box body, apron has the first via hole of being compatible with first connecting hole, and the second via hole of being compatible with second connecting hole, a fastener can pass through first via hole and first connecting hole and concealed bottom box fixed connection, another fastener can pass through second via hole and second connecting hole and concealed bottom box fixed connection. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can be obtained without creative labor according to these drawings, wherein:

[0017] Figure 1A It is an embodiment of the utility model a switching device for concealed bottom box explosion schematic diagram;

[0018] Figure 1B It is an embodiment of the utility model a switching device for concealed bottom box switching box body perspective view;

[0019] Figure 2 It is another embodiment of the utility model a switching device for concealed bottom box apron plan view;

[0020] Figure 3 It is another embodiment of the utility model a switching device for concealed bottom box switching box body plan view. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the application will be described clearly and completely below with the drawings in the embodiments of the application. Obviously, the described embodiments are only some embodiments of the application, not all embodiments. Based on the embodiments in the application, all other alternative embodiments obtained by those skilled in the art without creative labor are within the scope of the application.

[0022] As Figure 1A And Figure 1BAs shown, as an embodiment of the adapter device 100, the adapter device 100 comprises an adapter box 10, a cover plate 20 and at least two fasteners 30, wherein the adapter box 10 is shaped to fit the concealed bottom box 200, so that the adapter box 10 can be placed on the concealed bottom box 200, and two fixing parts 210 are symmetrically arranged in the concealed bottom box 200; the adapter box 10 comprises a ring-shaped circumferential side wall 11 and at least two connecting parts 12 symmetrically arranged on the inner side of the circumferential side wall 11, and the positions of the two connecting parts 12 correspond to the positions of the two fixing parts 210; a first connecting hole 13 is arranged on one of the connecting parts 12, and a second connecting hole 14 is arranged on the other connecting part 12; the circumferential side wall 11 has at least one detachable blocking line part 15, so that at least one threading hole can be formed on the circumferential side wall 11 after the blocking line part 15 is removed; the cover plate 20 can close the top of the adapter box 10, and the cover plate 20 has a first through hole 21 matched with the first connecting hole 13 and a second through hole 22 matched with the second connecting hole 14; one of the fasteners 30 can be fixedly connected (e.g. screwed) through the first through hole 21 and the first connecting hole 13 and one of the fixing parts 210 of the concealed bottom box 200, and the other fastener 30 can be fixedly connected (e.g. screwed) through the second through hole 22 and the second connecting hole 14 and the other fixing part 210 of the concealed bottom box 200.

[0023] In this embodiment, if the adapter device 100 is to be installed on the basis of the concealed bottom box 200, the pre-installed socket panel on the concealed bottom box 200 is first removed, and only the concealed bottom box 200 and the internal wiring connector L1 are retained; the exposed wire L2 is connected to the wiring connector L1, then the blocking line part 15 on the adapter box 10 is removed to form a threading hole, and the exposed wire L2 is threaded out of the threading hole; finally, the adapter box 10 is placed on the concealed bottom box 200, and the cover plate 20 is closed, and then the fasteners 30 are connected and fixed with the connecting parts 12 in the concealed bottom box 200. As can be seen, after the concealed bottom box 200 is installed with the adapter device 100, the concealed circuit (in-wall circuit) can be changed to an exposed circuit (out-wall circuit), which is quick, safe and reliable to install.

[0024] Further, the cross-sectional shape of the adapter box 10 is square, the length of one side of the circumferential side wall 11 is 80-100 mm, the wall thickness of the circumferential side wall 11 is 1.5-3 mm, and the height of the circumferential side wall 11 is 20-30 mm.

[0025] Further, as shown in FIG. 4, the adapter box 10 comprises a plurality of connecting parts 12, and the positions of the connecting parts 12 correspond to the positions of the fixing parts 210 of the concealed bottom box 200. Figure 1BAs shown, in order to enable the adapter 100 to lead out two routes of surface-mounted wires, the number of the wire blocking parts 15 is two, and the center line between the two wire blocking parts 15 is perpendicular to the center line between the two connecting parts 12, that is, in this embodiment, after the two wire blocking parts 15 are removed, two routes of surface-mounted wires can be connected to the wiring connector L1 in the concealed bottom box 200. In other embodiments, the number of the wire blocking parts 15 is multiple, and the wire blocking parts 15 are uniformly distributed along the circumference of the circumferential side wall 11, so that multiple surface-mounted wires in different directions can be connected to the wiring connector L1.

[0026] Further, in this embodiment, the shape of the wire blocking part 15 is rectangular, circular or semicircular, and preferably the wire blocking part 15 is rectangular, the height of the wire blocking part 15 is 10-15 mm, and the length of the wire blocking part 15 is 10-15 mm. The wire blocking part 15 is connected to the circumferential side wall 11 through multiple slender broken parts, which are easy to break when the wire blocking part 15 is removed.

[0027] Further, in order to enhance the fire resistance of the adapter 100, the adapter box 10 and the cover plate 20 are made of flame-retardant materials, such as polyvinyl chloride (PVC), cross-linked polyolefin, polytetrafluoroethylene (PTFE) and flame-retardant nylon.

[0028] Further, as shown in Figure 1B The first connecting hole 13 is a circular hole with a diameter of 3-5 mm, for example, 4 mm. The second connecting hole 14 is an oblong hole formed by connecting two semicircles with a diameter of 4 mm through a long hole with a length of 4 mm. The second connecting hole 14 is arranged as an oblong hole to facilitate the installation of the fastener 30 with a certain displacement space and facilitate flexible adjustment.

[0029] Further, as shown in Figure 1A The fastener 30 is an elongated screw, which can also be other plug-in columns or the like.

[0030] Further, the right angles of the adapter box 10 are all rounded by 1 mm to prevent being too sharp.

[0031] Further, as shown in Figure 2 In some embodiments, in order to enhance the surface aesthetics of the cover plate 20, the outer side of the cover plate 20 has an annular clamping groove 23, and the first through hole 21 and the second through hole 22 are both located in the annular clamping groove 23. The adapter 100 for the concealed bottom box 200 further comprises an annular sealing ring 40 matched with the annular clamping groove 23, which can be inserted and fixed in the annular clamping groove 23, and the surface of the annular sealing ring 40 is flush with the outer side of the cover plate 20, that is, the annular sealing ring 40 can cover the fastener 30, ensuring that the surface of the cover plate 20 is smooth and flat.

[0032] Further, in some embodiments, in order to make the adapter device 100 can change the concealed wiring circuit to the exposed wiring circuit, and also has the function of socket; the adapter device 100 further comprises a socket mounted on the inner side of the cover plate 20, the socket is electrically connected with the wiring connector L1, and a part of the socket is exposed to the outside of the cover plate 20, so as to facilitate the use of plug-in.

[0033] Further, as shown in Figure 3 In order to enhance the overall strength of the adapter box body 10, the adapter box body 10 further comprises a plurality of reinforcing ribs 17 arranged on the inner side of the circumferential side wall 11.

[0034] Further, as shown in Figure 3 In order to facilitate the connection of the adapter box body 10 and the wire protection shell, the adapter box body 10 further comprises at least one insertion part 16, which is a hollow structure matched with the shape of the wire hole, and the insertion part 16 is perpendicular to the circumferential side wall 11 and corresponds to the position of the wire blocking part 15, so that the wire protection shell is inserted and fixed in the insertion part 16.

[0035] Further, in order to enhance the protection of the adapter box body 10, the adapter device 100 further comprises a protective cover (not shown in the figure) which can cover the adapter box body 10, and the protective cover is movably connected with the outer side of the adapter box body 10, so that the protective cover can be switched between the open state and the closed state.

[0036] Finally, it should be noted that if the application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition and the like between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications will also change accordingly.

[0037] In addition, if the application embodiments involve "first", "second" and the like, the "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope claimed by the present application.

[0038] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. An adapter for a concealed mounting box, characterized in that, include: The adapter box body is adapted to the shape of the concealed bottom box; The adapter box includes an annular circumferential sidewall and at least two connecting portions symmetrically arranged on the inner side of the circumferential sidewall. One of the connecting portions is provided with a first connecting hole, and the other connecting portion is provided with a second connecting hole. The circumferential sidewall has at least one detachable wire-blocking portion, so that after the wire-blocking portion is removed, at least one wire-passing hole can be formed on the circumferential sidewall. A cover plate, which can close the top of the adapter box, has a first through hole adapted to the first connecting hole and a second through hole adapted to the second connecting hole; At least two fasteners, one of which can be fixedly connected to the first connecting hole and the concealed base box through the first through hole, and the other of which can be fixedly connected to the second connecting hole and the concealed base box through the second through hole.

2. The adapter for a concealed mounting box according to claim 1, characterized in that, The adapter for the concealed mounting box also includes a socket installed inside the cover plate, a portion of which is exposed outside the cover plate.

3. The adapter for a concealed mounting box according to claim 2, characterized in that, The outer side of the cover plate has an annular groove, and both the first through hole and the second through hole are located within the annular groove. The adapter for the concealed mounting box also includes an annular sealing ring adapted to the annular slot. The annular sealing ring can be inserted into and fixed in the annular slot, and the surface of the annular sealing ring is flush with the outer side of the cover plate.

4. The adapter for a concealed mounting box according to any one of claims 1 to 3, characterized in that, The adapter box also includes at least one plug-in portion, which is perpendicular to the circumferential sidewall and corresponds to the position of the wire-blocking portion.

5. The adapter for a concealed mounting box according to claim 4, characterized in that, The adapter box has a square cross-sectional shape, and there are two wire-blocking parts. The center line between the two wire-blocking parts is perpendicular to the center line between the two connecting parts.

6. The adapter for a concealed mounting box according to claim 5, characterized in that, The adapter for the concealed mounting box also includes a protective cover that can cover the adapter box body. The protective cover is movably connected to the outside of the adapter box body, so that the protective cover can be switched between an open state and a closed state.

7. The adapter for a concealed mounting box according to claim 6, characterized in that, The side length of the circumferential sidewall is 80~100mm, the wall thickness of the circumferential sidewall is 1.5~3mm, and the height of the circumferential sidewall is 20~30mm.

8. The adapter for a concealed mounting box according to claim 7, characterized in that, The shape of the line-blocking part is rectangular, circular, or semi-circular.

9. The adapter for a concealed mounting box according to claim 8, characterized in that, The adapter box also includes a plurality of reinforcing ribs arranged around the inner side of the circumferential sidewall.

10. The adapter for a concealed mounting box according to claim 9, characterized in that, Both the adapter box and the cover are made of flame-retardant material.