CN210326871U - Electrical junction box and electrical pipeline joint assembly - Google Patents
Electrical junction box and electrical pipeline joint assembly Download PDFInfo
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- CN210326871U CN210326871U CN201921641354.9U CN201921641354U CN210326871U CN 210326871 U CN210326871 U CN 210326871U CN 201921641354 U CN201921641354 U CN 201921641354U CN 210326871 U CN210326871 U CN 210326871U
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Abstract
The present disclosure relates to the field of electrical conduit routing in building structures, and provides an electrical junction box and an electrical conduit joint assembly, the electrical junction box including an installation portion and a wiring portion; the mounting portion is a cylindrical housing having opposite first and second ends, the first end of the mounting portion being an open end. The wiring part is a hollow shell, the wiring part is connected with the second end of the mounting part, and the internal space of the mounting part is communicated with the internal space of the wiring part; the wall of the wiring part is provided with a wiring hole penetrating the wall thickness direction, and the wall of the wiring part at least positioned at the edge of the wiring hole is a plane; the orthographic projection of the outer contour of the wire connecting part at the second end of the mounting part does not exceed a circular area defined by the cross section of the mounting part. The electrical pipeline joint assembly comprises an electrical junction box, a junction box connecting piece, a line pipe connecting piece and a line pipe. The electric junction box is convenient to install in the circular hole and convenient to drill. The wire tube connector is compatible with the existing (and similar) wire tube wiring mode, reliable in connection and good in sealing performance.
Description
Technical Field
The present disclosure relates to the field of electrical conduit routing in building structures, and more particularly to an electrical junction box and an electrical conduit joint assembly.
Background
The routing of electrical conduits in construction is an important project, and electrical conduits require electrical junction boxes to be used at the designed locations to connect the panels. The electric wires need to pass through the electric wire tubes buried in the wall surface, so an electric junction box is needed to be used as a transition at the joint part of the electric wires, the electric wire tubes are connected with the electric junction box, the electric wires in the electric wire tubes are wound in the electric junction box, and the electric junction box plays the roles of protecting the electric wires and connecting the electric wires. Most of the electric junction boxes are embedded in the structural body. If the mode of installation after drilling is adopted, holes must be drilled on the wall surface before the junction box is installed in the wall surface, and because the electrical junction box is mostly square, hexagonal and octagonal, the square or octagonal holes are drilled on the concrete and other plates, which is time-consuming and labor-consuming. Even if a round hole is drilled, the existing square or octagonal wire box is inconvenient to install and plug.
SUMMERY OF THE UTILITY MODEL
To solve or at least mitigate at least one of the above-identified technical problems, the present disclosure provides the following aspects.
According to one aspect of the present disclosure, an electrical junction box includes:
the mounting part is a cylindrical shell and is provided with a first end and a second end which are opposite, and the first end of the mounting part is an opening end; and
the wiring part is a hollow shell, the wiring part is connected with the second end of the installation part, and the inner space of the installation part is communicated with the inner space of the wiring part; the wall of the wiring part is provided with a wiring hole penetrating the wall thickness direction, and the wall of the wiring part at least positioned at the edge of the wiring hole is a plane; the orthographic projection of the outer contour of the wiring portion at the second end of the mounting portion does not exceed a circular area defined by the cross section of the mounting portion.
According to at least one embodiment of the present disclosure, the wire connection portion includes at least one wall formed in a plane, and the wire connection hole is opened in the wall formed in a plane.
According to at least one embodiment of the present disclosure, the wire connection portion is prism-shaped, and an axis of the wire connection portion is coaxial with an axis of the mounting portion; the wiring hole is formed in a side wall of the wiring portion.
According to at least one embodiment of the present disclosure, the wire connecting portion includes an arc-shaped side wall and a planar side wall, an axis of the arc-shaped side wall being coaxial with an axis of the mounting portion; the wiring hole is formed in the plane side wall.
According to at least one embodiment of the present disclosure, the wire connecting portion includes two arc-shaped side walls and two plane side walls; the two arc-shaped side walls and the two plane side walls are sequentially arranged in a staggered mode in the circumferential direction; the axes of the two arc-shaped side walls are coaxial with the axis of the mounting part; the wiring hole is formed in the plane side wall.
According to at least one embodiment of the present disclosure, an end of the wire connecting portion away from the mounting portion is a closed end, the closed end is formed as a planar top wall, and the top wall is opened with the wire connecting hole.
According to at least one embodiment of the present disclosure, the mounting portion is formed integrally with the wire connection portion.
According to another aspect of the present disclosure, an electrical conduit fitting assembly comprises:
an electrical junction box as claimed in any one of the above;
a wire cassette connector comprising opposing first and second ends; the outer contour cross section of the first end of the wire box connecting piece is larger than the cross section of the wire connection hole so as to abut against the inner side of the wall of the wire connection part at the edge of the wire connection hole; a second end of the wire box connecting piece protrudes outside the wall of the wire connection portion through the wire connection hole;
a spool attachment piece having one end connected to a portion of the wire box attachment piece protruding outside the wall of the wire connection portion; and
and the line pipe is connected with the other end of the line pipe connecting piece.
According to at least one embodiment of the present disclosure, the wire box connecting member is a cylindrical body, and a first end of the wire box connecting member is provided with an annular convex portion, and a surface of the annular convex portion abutting against an inner side of a wall of the wire connection portion is a flat surface.
In accordance with another aspect of the present disclosure, an electrical conduit fitting assembly includes:
the electric junction box is a cylindrical shell and is provided with a first end and a second end which are opposite, the first end of the electric junction box is an open end, the second end of the electric junction box is a closed end, and a wiring hole penetrating through the wall thickness direction is formed in the position, close to the closed end, of the side wall of the electric junction box;
the wire box connecting piece is a cylindrical body, and a first end of the wire box connecting piece is provided with an annular convex part so as to abut against the inner side of the side wall of the electric wire box at the edge of the wire connecting hole; the second end of the wire box connecting piece passes through the wire connecting hole and extends out of the side wall of the electric junction box; the surface of the annular convex part, which abuts against the inner side of the side wall of the electrical junction box, is a curved surface matched with the side wall of the electrical junction box;
a spool attachment piece having one end connected to a portion of the wire box attachment piece protruding outside the wall of the wire connection portion; and
and the line pipe is connected with the other end of the line pipe connecting piece.
Compared with the prior art, the electric junction box and the electric pipeline joint assembly are convenient to install in the circular hole and drill holes due to the fact that the electric junction box is provided with the cylindrical installation part, the working hours of forming the square or hexagonal holes on the wall are reduced, the fixing effect is good, the edges do not need to be repaired, and installation and plugging are convenient. The wall of the wiring part at the edge of the wiring hole is a plane, so that the wiring part is compatible with the existing (and similar) wiring mode of a line pipe, the connection is reliable, and the sealing performance is good. In the electric pipeline joint assembly, the electric junction box of the cylindrical shell and the junction box connecting piece of the annular convex part with the curved surface are adopted, the electric junction box is convenient to manufacture, the curved surface of the annular convex part is matched with the inner side wall of the cylindrical shell, the connection is reliable, and the sealing performance is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a perspective structural view of an exemplary embodiment of an electrical junction box of the present disclosure.
Fig. 2 is a side bottom view of the exemplary embodiment of the electrical junction box of fig. 1.
Fig. 3 is a front view of an exemplary embodiment of the electrical junction box of fig. 1.
Fig. 4 is a top view of an exemplary embodiment of the electrical junction box of fig. 1.
Fig. 5 is a perspective structural view of an exemplary embodiment of an electrical junction box of the present disclosure.
Fig. 6 is a perspective structural view of an exemplary embodiment of an electrical junction box of the present disclosure.
Fig. 7 is a schematic structural view of an exemplary embodiment of an electrical line connector assembly of the present disclosure.
Fig. 8 is a top view of the electrical conduit fitting assembly of fig. 7 after completion of connection.
Fig. 9 is a schematic structural view of an exemplary embodiment of an electrical conduit fitting assembly of the present disclosure.
Fig. 10 is a bottom view of the connection of the electrical conduit fitting assembly of fig. 9.
Fig. 11a and 11b are perspective views of exemplary embodiments of electrical junction boxes of the electrical conduit fitting assembly of fig. 9.
FIG. 12 is a front view of an exemplary embodiment of a wire box connector of the electrical conduit fitting assembly of FIG. 9.
Description of reference numerals:
10. an electrical junction box; 1. an installation part; 2. a wiring portion; 21. a wiring hole; 11. a wire box connecting piece; 110. an annular protrusion; a. an end face of one end of the annular convex portion for abutting against; 12. a conduit connector; 13. a conduit.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
At present, the electrical junction box which is more extensive is adopted to be square or octagonal, and a mode of pre-embedding in a concrete structure is mostly adopted. When the mode of installation after drilling is adopted, the square or octagonal holes are formed in the concrete and other plates, which is time-consuming and labor-consuming. If the installation mode of drilling the round hole is adopted, the existing square or octagonal line box is inconvenient to install and plug.
To solve or at least alleviate at least one of the above existing technical problems, according to an embodiment of the present disclosure, there is provided an electrical junction box 10, see a perspective view of an exemplary embodiment of the electrical junction box shown in fig. 1, a side bottom view shown in fig. 2, a front view shown in fig. 3, and a top view shown in fig. 4. The electric junction box 10 of this embodiment includes a mounting portion 1 and a wiring portion 2 connected to each other. The mounting portion 1 is configured as a cylindrical housing having opposite first and second ends, the first end of the mounting portion 1 being an open end. The mounting part 1 is provided as a cylindrical housing for mounting in the circular hole. Can set up circular hole on concrete wall panel, conveniently punch, and cylindric installation department 1 is convenient for install in circular hole, and fixed effectual, the edge need not be repaired, is convenient for install and shutoff. The first end of the mounting portion 1 is an open end, and the open end of the mounting portion 1 is mounted in the hole towards the outside of the hole for mounting a panel (not shown in the figure). The connection of the open end of the electrical junction box 10 to the panel may be as follows or other connections: 1. the electrical junction box 10 is provided with screw holes, and the panel is mounted on the electrical junction box 10 by screws. 2. The electrical junction box 10 is snap-fit to the panel. 3. The electrical junction box 10 is connected with the panel by screw fasteners. 4. The electrical junction box 10 is bonded to the panel. Preferably, a connecting plate with a threaded hole may be provided at the open end of the mounting portion 1, and the panel is connected to the open end of the mounting portion 1 by a screw and the threaded hole.
The wire connecting portion 2 is also provided as a hollow housing and is connected to the second end of the mounting portion 1, and the wire connecting portion 2 may be formed as two separate parts with the mounting portion 1 and then connected together to form the electrical junction box 10, or may be formed integrally with the mounting portion 1 as one part. The internal space of the mounting portion 1 and the internal space of the wire connecting portion 2 communicate at the junction therebetween. The wire connecting portion 2 is used for connecting with a conduit so that an electric wire is inserted into the wire connecting portion 2 and the inner space of the mounting portion 1, and is electrically connected with a member such as a panel at the opening end of the mounting portion 1. The wire connecting portion 2 may be formed as a hollow housing having an open end and a closed end, and the open end is connected to the second end of the mounting portion 1. The second end of the mounting portion 1 is also provided with an opening through which the internal space of the mounting portion 1 communicates with the internal space of the wire connecting portion 2. The wire connecting portion 2 may be provided as a cylindrical housing, an elliptic cylindrical housing, or a prismatic housing. The wall of the wire connecting portion 2 is provided with a wire connecting hole 21 penetrating the wall thickness direction, and the wire connecting hole 21 is used for allowing the electric wire in the wire tube to penetrate into the internal space of the electric junction box 10 from the wire connecting hole 21. The wall arrangement of the wire connection portion 2 is: the wall of the wire connecting portion 2 at least at the edge of the wire connecting hole 21 is provided as a planar wall in a manner including a case where a projection projecting outward or a recess recessed inward is provided on the wall of the wire connecting portion 2, and formed as a planar wall at the projection or the recess. The planar wall functions to facilitate connection to the conduit, and to enable the connector to abut against the planar wall. The wall near the wiring hole 21 is a plane wall, which is compatible with the existing line pipe connection mode and the similar connection pipe mode, and has reliable connection and good sealing performance. The orthographic projection of the outer contour of the wire connecting part 2 at the second end of the mounting part 1 does not exceed a circular area surrounded by the cross section of the mounting part 1. That is, the maximum lateral dimension of the outer contour of the wire connecting portion 2 is not larger than the diameter of the outer contour of the cylindrical housing of the mounting portion 1, so that the wire connecting portion 2 and the mounting portion 1 can be mounted in the opened circular hole.
In an alternative embodiment of the present disclosure, the wire connecting portion 2 includes at least one wall formed as a plane. For example, the wiring portion 2 has only one plane wall, and the remaining walls are curved walls; two opposite planar walls may also be provided, the other walls being curved; or all the plane walls can be formed into a polyhedron shape; the plane wall may be located on the side of the wiring portion 2 or on the end face of the wiring portion 2. The wiring holes 21 are opened in walls formed as planes, and one or more wiring holes 21 may be provided in each plane wall.
Alternatively, the wire connection portion 2 may be provided as a prismatic hollow housing, and the axis of the wire connection portion 2 is coaxial with the axis of the mounting portion 1. The side walls of the wire connecting portion 2 are both plane walls, and the end surface of the second end of the wire connecting portion 2 is also a plane wall. The polygonal cross section of the prism is smaller than the circular cross section of the mounting part 1, preferably, the circular cross section is a circumscribed circle of the polygonal cross section. The wiring hole 21 is opened on a side wall of the wiring portion 2. Referring to the exemplary embodiment of the electrical junction box shown in fig. 1 to 4, a quadrangular prism-shaped wiring portion 2 having a square cross section is formed at the second end of the cylindrical mounting portion 1, the second end of the wiring portion 2 is closed to form a top wall, and two wiring holes 21 are opened at four sides, respectively. The wiring hole 21 may be opened in the end face of the second end of the wiring portion 2.
Alternatively, referring to a perspective view of an exemplary embodiment of the electrical junction box shown in fig. 5, the wire connection portion 2 includes two arc-shaped sidewalls and two planar sidewalls. The two arc-shaped side walls and the two plane side walls are sequentially arranged in a staggered manner in the circumferential direction; that is, the two arcuate side walls oppose each other and the two planar side walls oppose each other. The axes of the two arc-shaped side walls are coaxial with the axis of the installation part 1, the two arc-shaped side walls are different arc sections on the same circumference, and the diameter of each arc-shaped side wall is not larger than that of the cylindrical shell of the installation part 1. The end face of the second end of the wire connecting portion 2 forms a top wall for a plane wall. The wiring hole 21 is formed on the plane side wall; the wiring hole 21 may be opened in the end face of the second end of the wiring portion 2.
Alternatively, referring to a perspective view of an exemplary embodiment of the electrical junction box shown in fig. 6, the wire connection portion 2 includes an arc-shaped side wall and a planar side wall. The circular side wall is partially cut off by a plane, and a plane side wall and an arc side wall are remained. The axis of the arc-shaped side wall is coaxial with the axis of the mounting part 1; the diameter of the arc-shaped side wall is not more than that of the cylindrical shell of the mounting part 1. The end face of the second end of the wire connecting portion 2 forms a top wall for a plane wall. The wiring hole 21 is formed on the plane side wall; the wiring hole 21 may be opened in the end face of the second end of the wiring portion 2.
Alternatively, in the various embodiments of the electrical junction box 10 described above, the mounting portion 1 and the wiring portion 2 may be integrally formed as one component, facilitating manufacturing.
The present disclosure provides an electrical line connector assembly, see fig. 7 for a schematic structural view of an exemplary embodiment of an electrical line connector assembly, and fig. 8 for a top view of the electrical line connector assembly after the connection is completed. The electrical line connector assembly includes an electrical junction box 10, a box connector 11, a conduit connector 12, and a conduit 13. The electrical junction box 10 employs the electrical junction box 10 of any of the above embodiments.
The wire cassette connector 11 includes opposite first and second ends. The wire box connector 11 functions to fix the electrical junction box 10 and the conduit connector 12 together, and the wire box connector 11 protrudes from the inner space of the electrical junction box 10 to the outside of the electrical junction box 10 through the wiring hole 21. The first end of the wire box connecting piece 11 has an outer contour cross section larger than that of the wire connection hole 21, and the first end of the wire box connecting piece 11 does not pass through the wire connection hole 21 to abut against the inner side of the wall of the wire connection part 2 at the edge of the wire connection hole 21. The second end of the wire cassette connecting piece 11 protrudes outside the wall of the wire connection section 2 through the wire connection hole 21.
Alternatively, the wire cassette connecting member 11 may be provided as a columnar body having a diameter smaller than the diameter of the wire connection hole 21. The first end of the wire box connection member 11 is provided with an annular projection 110, the annular projection 110 is circumferentially disposed outside the cylindrical body, and the outer diameter of the annular projection 110 is larger than the aperture of the wire connection hole 21, so that the end of the annular projection 110 facing the inner wall of the electric junction box 10 abuts against the inner side of the wall of the wire connection part 2 when the wire box connection member 11 passes through the wire connection hole 21 from the inside to the outside. Since the wall of the wire connecting portion 2 in the peripheral region of the wire connecting hole 21 is a flat surface, the end surface a of the annular projection 110 at the end thereof against which it abuts is also a flat surface, and the connection is reliable and the sealing performance is good.
The spool connector 12 is used for connecting the spool 13 and the wire box connector 11 together, one end of the spool connector 12 is connected with the part of the wire box connector 11 extending out of the wall of the wire connection part 2, and the modes of thread connection, buckle connection and the like can be adopted; the other end of the conduit connector 12 is connected to the conduit 13, which may be threaded, snap-fit, etc.
Alternatively, the conduit connecting member 12 may be a sleeve, the inner wall of the first end of the conduit connecting member 12 is provided with an internal thread, the portion of the wire box connecting member 11 extending out of the wall of the wiring portion 2 is provided with an external thread, and the first end of the conduit connecting member 12 is screwed into the portion of the wire box connecting member 11 extending out of the wall of the wiring portion 2. The second end of the conduit connecting piece 12 is sleeved on the end of the conduit 13, and can be in threaded connection with the conduit 13 or clamped or bonded together. Thereby connecting the conduit 13 and the electrical junction box 10 together.
The process of connecting the electrical line connector assembly includes:
in the first step, the conduit connector 12 is fitted over the end of the PC electrical conduit 13 to connect the two together.
In the second step, the wire box connector 11 is passed through the wire connection hole 21 from the inside of the electric junction box 10, and the threaded portion is protruded out of the electric junction box 10.
And thirdly, butting and screwing the conduit pipe connecting piece 12 and the wire box connecting piece 11.
By adopting the electric junction box 10 and the electric pipeline joint assembly, the installation in a circular hole is convenient, the drilling is convenient, the working time of forming a square or hexagonal hole on a wall is reduced, the fixing effect is good, the edge does not need to be repaired, and the installation and the plugging are convenient. The wall of the wiring part 2 at the edge of the wiring hole 21 is a plane, which is compatible with the existing (and similar) wiring mode of the line tube 13, and has reliable connection and good sealing performance.
The present disclosure also provides an electrical line connector assembly, see the schematic structural diagram of the exemplary embodiment of the electrical line connector assembly shown in fig. 9, and the bottom view of the connection of the electrical line connector assembly shown in fig. 10. The electrical line connector assembly includes an electrical junction box 10, a box connector 11, a conduit connector 12, and a conduit 13. See fig. 11a, 11b for perspective structural views of exemplary embodiments of electrical junction boxes. The electrical junction box 10 includes a cylindrical housing having opposing first and second ends, the first end of the electrical junction box 10 being an open end and the second end of the electrical junction box 10 being a closed end. That is, the electrical junction box 10 in this embodiment is provided as a cylindrical housing as a whole. The side wall of the electrical junction box 10 is provided with a wiring hole 21 penetrating the wall thickness direction at a position close to the closed end. The wiring holes 21 are provided on the curved side walls.
Referring to a front view of an exemplary embodiment of the wire cassette attachment 11 shown in fig. 12, the wire cassette attachment 11 is provided as a columnar body having a diameter smaller than the aperture of the wire connection hole 21. The first end of the wire box connector 11 is provided with an annular projection 110, the annular projection 110 is circumferentially disposed outside the cylindrical body, and the outer diameter of the annular projection 110 is larger than the aperture of the wire connection hole 21, so that when the wire box connector 11 passes through the wire connection hole 21 from inside to outside, the end of the annular projection 110 facing the inner wall of the electrical junction box 10 abuts against the inside of the side wall of the electrical junction box 10. The second end of the wire cassette connector 11 protrudes outside the side wall of the electrical junction box 10 through the wire connection hole 21. Since the wiring hole 21 is opened on the arc-shaped side wall of the electrical junction box 10, the end surface a of the end of the annular protrusion 110 against which it abuts is a curved surface that fits with the side wall of the electrical junction box 10; namely, the connecting rod is also a circular arc-shaped curved surface, so that the connecting rod and the connecting rod are reliable in connection and good in sealing performance.
The spool connector 12 is used for connecting the spool 13 and the wire box connector 11 together, one end of the spool connector 12 is connected with the part of the wire box connector 11 extending out of the side wall of the electric junction box 10, and the modes of thread connection, buckle connection and the like can be adopted; the other end of the conduit connector 12 is connected to the conduit 13, which may be threaded, snap-fit, etc.
Alternatively, the conduit connecting member 12 may be a sleeve, an inner wall of the first end of the conduit connecting member 12 is provided with an internal thread, a portion of the wire box connecting member 11 extending out of the side wall of the electrical junction box 10 is provided with an external thread, and the first end of the conduit connecting member 12 is screwed to the portion of the wire box connecting member 11 extending out of the side wall of the electrical junction box 10. The second end of the conduit connecting piece 12 is sleeved on the end of the conduit 13, and can be in threaded connection with the conduit 13 or clamped or bonded together. Thereby connecting the conduit 13 and the electrical junction box 10 together.
The process of connecting the electrical line connector assembly includes:
in the first step, the conduit connector 12 is fitted over the end of the conduit 13 to connect the two together.
In the second step, the wire box connector 11 is passed through the wire connection hole 21 from the inside of the electric junction box 10, and the threaded portion is protruded out of the electric junction box 10.
And thirdly, butting and screwing the conduit pipe connecting piece 12 and the wire box connecting piece 11.
By adopting the electrical junction box 10 and the electrical pipeline joint assembly, the electrical junction box 10 is convenient to manufacture, and the curved surface of the annular convex part 110 is matched with the inner side wall of the cylindrical shell, so that the connection is reliable, and the sealing performance is good.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. An electrical junction box, comprising:
the mounting part is a cylindrical shell and is provided with a first end and a second end which are opposite, and the first end of the mounting part is an opening end; and
the wiring part is a hollow shell, the wiring part is connected with the second end of the installation part, and the inner space of the installation part is communicated with the inner space of the wiring part; the wall of the wiring part is provided with a wiring hole penetrating the wall thickness direction, and the wall of the wiring part at least positioned at the edge of the wiring hole is a plane; the orthographic projection of the outer contour of the wiring portion at the second end of the mounting portion does not exceed a circular area defined by the cross section of the mounting portion.
2. The electrical junction box of claim 1, wherein the wire connection portion includes at least one wall formed as a flat surface, the wire connection hole being opened in the wall formed as a flat surface.
3. The electrical junction box according to claim 2, wherein the wire connection portion is prism-shaped, and an axis of the wire connection portion is coaxial with an axis of the mounting portion; the wiring hole is formed in a side wall of the wiring portion.
4. The electrical connector of claim 2, wherein said wire connecting portion includes an arcuate sidewall and a planar sidewall, the axis of said arcuate sidewall being coaxial with the axis of said mounting portion; the wiring hole is formed in the plane side wall.
5. The electrical junction box of claim 2, wherein the wire connecting portion includes two arcuate side walls and two planar side walls; the two arc-shaped side walls and the two plane side walls are sequentially arranged in a staggered mode in the circumferential direction; the axes of the two arc-shaped side walls are coaxial with the axis of the mounting part; the wiring hole is formed in the plane side wall.
6. The electrical junction box according to any one of claims 3 to 5, wherein an end of the wire connection portion remote from the mounting portion is a closed end formed as a planar top wall, the top wall being provided with the wire connection hole.
7. The electrical junction box according to any one of claims 1 to 5, wherein the mounting portion is formed integrally with the wiring portion.
8. An electrical conduit fitting assembly, comprising:
an electrical junction box as claimed in any one of claims 1 to 7;
a wire cassette connector comprising opposing first and second ends; the outer contour cross section of the first end of the wire box connecting piece is larger than the cross section of the wire connection hole so as to abut against the inner side of the wall of the wire connection part at the edge of the wire connection hole; a second end of the wire box connecting piece protrudes outside the wall of the wire connection portion through the wire connection hole;
a spool attachment piece having one end connected to a portion of the wire box attachment piece protruding outside the wall of the wire connection portion; and
and the line pipe is connected with the other end of the line pipe connecting piece.
9. The electrical conduit fitting assembly of claim 8 wherein said wire box connector is cylindrical, said wire box connector having a first end provided with an annular ledge, said annular ledge having a planar surface against the inside of the wall of said wire connection portion.
10. An electrical conduit fitting assembly, comprising:
the electric junction box is a cylindrical shell and is provided with a first end and a second end which are opposite, the first end of the electric junction box is an open end, the second end of the electric junction box is a closed end, and a wiring hole penetrating through the wall thickness direction is formed in the position, close to the closed end, of the side wall of the electric junction box;
the wire box connecting piece is a cylindrical body, and a first end of the wire box connecting piece is provided with an annular convex part so as to abut against the inner side of the side wall of the electric wire box at the edge of the wire connecting hole; the second end of the wire box connecting piece passes through the wire connecting hole and extends out of the side wall of the electric junction box; the surface of the annular convex part, which abuts against the inner side of the side wall of the electrical junction box, is a curved surface matched with the side wall of the electrical junction box;
a spool attachment piece having one end connected to a portion of the wire box attachment piece protruding outside the wall of the wire connection portion; and
and the line pipe is connected with the other end of the line pipe connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641354.9U CN210326871U (en) | 2019-09-29 | 2019-09-29 | Electrical junction box and electrical pipeline joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641354.9U CN210326871U (en) | 2019-09-29 | 2019-09-29 | Electrical junction box and electrical pipeline joint assembly |
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| Publication Number | Publication Date |
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| CN210326871U true CN210326871U (en) | 2020-04-14 |
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| CN201921641354.9U Active CN210326871U (en) | 2019-09-29 | 2019-09-29 | Electrical junction box and electrical pipeline joint assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518520A (en) * | 2019-09-29 | 2019-11-29 | 三一筑工科技有限公司 | Electrical junction box and electrical pipeline joint assembly |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518520A (en) * | 2019-09-29 | 2019-11-29 | 三一筑工科技有限公司 | Electrical junction box and electrical pipeline joint assembly |
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Address after: 102206 1st floor, building 6, 8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: Room 301, building 6, No. 8, Beiqing Road, Huilongguan town, Changping District, Beijing Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |
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