CN214506438U - Outdoor junction box of building electric circuit - Google Patents
Outdoor junction box of building electric circuit Download PDFInfo
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- CN214506438U CN214506438U CN202120285410.0U CN202120285410U CN214506438U CN 214506438 U CN214506438 U CN 214506438U CN 202120285410 U CN202120285410 U CN 202120285410U CN 214506438 U CN214506438 U CN 214506438U
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Abstract
The utility model belongs to the technical field of the terminal box, concretely relates to outdoor terminal box of building electric circuit. The explosion-proof box is arranged in the junction box shell; when the explosion-proof switch is used as a switch, the switch box is fixedly arranged in the explosion-proof box, the switch box adopts a push-type switch, and the button is arranged on the top surface of the switch box; the upper cover component is arranged at the top end of the explosion-proof box; the upper cover component comprises a gland, a pressing plate and a connecting column, and the gland is fixedly connected to the outer side of the top end of the explosion-proof box; the pressing plate is connected with the pressing cover in a sliding way; when the explosion-proof box is used as a cable switching box, the switch box in the explosion-proof box is detached; and replacing the upper cover assembly with the sealing plate. The damage to the periphery of the junction box when the junction in the junction box shell explodes is reduced as much as possible; the button of the switch box is indirectly controlled through the upper cover of the explosion-proof box, so that the condition that people are injured by explosion when the explosion-proof box is used as a switch is avoided.
Description
Technical Field
The utility model belongs to the technical field of the terminal box, concretely relates to outdoor terminal box of building electric circuit.
Background
In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted as a transition part at the joint part of the electric wire, the electric wire tube is connected with the junction box, the electric wires in the electric wire tube are connected in the junction box, and the functions of protecting the electric wire and connecting the electric wire are achieved; the thermocouple and thermal resistance terminal box is used for fixing the terminal base and as a connector, and plays the role of protecting the temperature sensing element from the erosion of the external atmosphere and making the external lead and the terminal in good contact.
The existing outdoor junction box has the following problems:
1. the original junction box is close to the wire, the wire is protected by an unprotected structure, and when explosion occurs, the wire can spread around the switch, so that potential safety hazards exist, and the explosion-proof function cannot be achieved;
2. when the original junction box is used as a switch, a user starts the switch by pressing the button, and the original junction box has no explosion-proof function and potential safety hazard.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an outdoor terminal box of building electric circuit has explosion-proof characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: an outdoor junction box of a building electric circuit comprises a junction box shell, wherein the junction box shell is of a square or rectangular shell structure, the top surface of the junction box shell is open, and the bottom surface and/or the side surface of the junction box shell are/is provided with threading holes; the anti-explosion box is arranged in the junction box shell, and the geometric dimension of the outer side of the anti-explosion box is matched with the geometric dimension of the inner side of the junction box shell; the explosion-proof box is fixedly connected with the junction box shell; when the junction box is used as a switch, the switch box is fixedly arranged in the explosion-proof box, the switch box adopts a push switch, and the button is arranged on the top surface of the switch box; the upper cover component is arranged at the top end of the explosion-proof box; the upper cover component comprises a gland, a pressing plate and a connecting column, and the gland is fixedly connected to the outer side of the top end of the explosion-proof box; the pressing plate is connected with the pressing cover in a sliding way; one end of the connecting column is connected with the pressing plate, and the other end of the connecting column is connected with the button of the switch box; when the junction box is used as a cable junction box, the switch box in the explosion-proof box is removed, and the connection of cables is completed in the explosion-proof box; meanwhile, the upper cover assembly is replaced by the plugging plate which is fixedly connected to the outer side of the top end of the explosion-proof box.
Compared with the prior art, the beneficial effects of the utility model are that: the explosion-proof box is fixedly arranged in the junction box, so that the damage to the periphery of the junction box when the junction in the junction box explodes is reduced as much as possible; the switch box button is indirectly controlled through the upper cover of the explosion-proof box, so that the condition that people are injured by explosion when the switch button is used is avoided.
In order to obtain better technical effect, the utility model discloses can also be on above-mentioned technical scheme's basis, it is right to make further improvement.
Furthermore, when the junction box is used as a switch, a compression spring is arranged between the pressing plate and the connecting column, one end of the compression spring is fixedly connected with the pressing plate, and the other end of the compression spring is fixedly connected with the connecting column.
Furthermore, a connecting boss is arranged on the inner side of the bottom of the junction box shell, and a first through threaded hole is formed in the connecting boss; the bottom of the explosion-proof box is provided with through holes which are in one-to-one correspondence with the first threaded holes at the bottom of the junction box shell, screws are arranged at the through holes and are in threaded connection with the corresponding first threaded holes, and therefore the explosion-proof box is fixed in the junction box shell through the screws.
Furthermore, a switch box mounting column is arranged on the inner side of the bottom of the junction box shell, a second threaded hole is formed in the mounting column, connecting pieces in one-to-one correspondence with the mounting columns are arranged on two sides of the switch box, and the connecting pieces of the switch box are fixed on the mounting columns through screws.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a split structure of an embodiment of the present invention when used as a switch;
FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention when used as a switch;
fig. 3 is a top view of a junction box housing in an embodiment of the invention;
fig. 4 is a top view of an explosion-proof enclosure in an embodiment of the invention;
fig. 5 is a schematic structural diagram of a switch box in an embodiment of the present invention;
FIG. 6 is a perspective view of the embodiment of the present invention used as a common junction box;
in the figure: the terminal box comprises a terminal box shell 1, a threading hole 1-1, a connecting boss 1-2, a first threaded hole 1-3, a mounting column 1-4 and a second threaded hole 1-5; the explosion-proof box 2, the first through hole 2-1 and the mounting hole 2-2; the switch box 3, the button 3-1 and the connecting sheet 3-2; the upper cover component 4, the gland 4-1, the pressing plate 4-2, the guide column 4-2-1 and the connecting column 4-3; a plugging plate 5; a compression spring 6; and a gasket 7.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-6, the embodiment of the utility model provides an outdoor terminal box of building electric circuit mainly comprises terminal box shell 1, explosion-proof box 2, switch box 3, upper cover subassembly 4, shutoff board 5 and compression spring 6 etc..
The junction box comprises a junction box shell 1, a wire-passing hole 1-1, a wire-passing hole 1 and a wire-passing hole 1, wherein the junction box shell 1 is of a square shell structure, the top surface of the shell is open, and the bottom surface and one side surface of the junction box shell 1 are provided with wire-passing holes;
the explosion-proof box 2 is arranged inside the junction box shell 1, the geometric dimension of the outer side of the explosion-proof box 2 is matched with the geometric dimension of the inner side of the junction box shell 1, and the dimension of the outer side of the explosion-proof box 2 is slightly smaller than the dimension of the inner side of the junction box shell 1, so that the explosion-proof box 2 is assembled with the junction box shell 1. The explosion-proof box 2 is fixedly connected with the junction box shell 1. The utility model discloses in use the screw with explosion-proof box 2 and 1 fixed connection of terminal box shell.
The corresponding surface of the explosion-proof box 2 is provided with a first through hole 2-1 corresponding to the threading hole 1-1 of the junction box shell 1, in the embodiment, the first through hole 2-1 is adopted, and when the explosion-proof box is used, the threading and wiring operation is carried out after the junction box shell 1 and the explosion-proof box 2 are assembled by a thread. In the embodiment, the junction box housing 1 is provided with three threading holes 1-1, and the three threading holes 1-1 are respectively positioned on the bottom surface and a group of side surfaces of the junction box housing 1.
The side wall of the explosion-proof box 2 at the corresponding position of the threading hole 1-1 can be provided with a notch so as to facilitate the assembly of the explosion-proof box 2 and the junction box shell 1 after wiring, and the structure generally needs the bottom of the explosion-proof box 2 to be an opening.
When the embodiment of the utility model is used as a switch, the switch box 3 is fixedly arranged in the explosion-proof box 2, the switch box 3 adopts a push switch, and the button 3-1 is arranged on the top surface of the switch box 3; the upper cover assembly 4 is arranged at the top end of the explosion-proof box 3.
Referring to fig. 1 and 2, the upper cover assembly 4 comprises a gland 4-1, a pressing plate 4-2 and a connecting column 4-3, wherein the gland 4-1 is fixedly connected to the outer side of the top end of the explosion-proof box 2; a guide hole is formed in the gland 4-1, a guide column 4-2-1 corresponding to the guide hole is arranged on the outer side surface of the pressing plate 4-2, and the pressing plate 4-2 is connected with the gland 4-1 in a sliding mode; one end of a connecting column 4-3 is connected with the pressing plate 4-2, and the other end is connected with a button 3-1 of the switch box 3.
As shown in fig. 6, when the embodiment of the present invention is used as a cable adaptor box, the switch box 3 in the explosion-proof box 2 is removed, and the connection of the cable is completed in the explosion-proof box 2; meanwhile, the upper cover component 4 is replaced by the plugging plate 5, and the plugging plate 5 is fixedly connected to the outer side of the top end of the explosion-proof box 2. In the embodiment, the upper cover assembly 4 and the blocking plate 5 are fixedly connected with the explosion-proof box 2 through screws respectively.
In this embodiment, the top opening end of the explosion-proof box 2 is provided with a flange with an outward edge, and the plate body of the pressing plate in the upper cover component 4 is larger than the size of the guide hole of the gland 4-1 (in this embodiment, the guide hole is a square hole, and the guide post 4-2-1 is a square boss matched with the guide hole).
In the embodiment, in order to reduce the pressure of the connecting column 4-3 on the button 3-1 on the switch box 3 when the pressing plate 4-2 is pressed, a compression spring 6 is arranged between the pressing plate 4-2 and the connecting column 4-3, one end of the compression spring 6 is fixedly connected with the pressing plate 4-2, and the other end of the compression spring 6 is fixedly connected with the connecting column 4-3; the pressing plate 4-2 and the connecting column 4-3 are directly and indirectly connected through a compression spring 6. By arranging the compression spring 6, the pressure of the connecting column 4-3 on the button 3-1 of the switch box 3 can be relieved when the pressing plate 4-2 is pressed, and sufficient restoring force can be provided when the pressing plate 4-2 is restored to the original position after the pressing plate 4-2 is pressed and loosened.
In the embodiment, the inner side of the bottom of the junction box shell 1 is provided with a connecting boss 1-2, and the connecting boss 1-2 is provided with a first through threaded hole 1-3; the bottom of the explosion-proof box 2 is provided with mounting holes 2-2 which are in one-to-one correspondence with first threaded holes 1-3 at the bottom of the junction box shell 1, and screws are arranged at the mounting holes 2-2 and are in threaded connection with the corresponding first threaded holes 1-3, so that the screws fix the explosion-proof box 2 in the junction box shell 1. The explosion-proof box 2 is fixedly connected with the junction box shell 1 by using screws, so that the connection stability can be ensured, and the disassembly convenience is also ensured.
The inner side of the bottom of the junction box shell 1 is provided with switch box 3 mounting columns 1-4, second threaded holes 1-5 are formed in the mounting columns 1-4, connecting pieces 3-2 which correspond to the mounting columns 1-4 one by one are arranged on two sides of the switch box 3, and the connecting pieces 3-2 of the switch box 3 are fixed on the mounting columns 1-4 through screws. In this embodiment, the bottom of the junction box 2 is provided with through holes for the mounting posts 1-4 to pass through.
As mentioned above, the embodiments of the present invention have two usage forms: one is used as a switch, and in this case, as described above, with reference to fig. 1 to 2, when the present embodiment is used as a switch, the button 3-1 on the switch box 3 is controlled by pressing the pressing plate 1-2 in the upper cover assembly 4, so as to implement the switching function; the other is used as a common junction box, as shown in fig. 6, at this time, the switch box 3 should be detached from the mounting columns 1-4 and taken out, only the junction box housing 1 and the explosion-proof box 2 are used, at this time, after the wiring is completed in the explosion-proof box 2, the blocking plate 5 is fixed at the flange at the top end of the explosion-proof box 2 by using screws.
In the embodiment of the utility model, still set up sealed 7 between shutoff board 5 (or gland 4-1) and explosion-proof box 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An outdoor junction box of a building electric circuit comprises a junction box shell, wherein the junction box shell is of a square or rectangular shell structure, the top surface of the junction box shell is open, and the bottom surface and/or the side surface of the junction box shell are/is provided with threading holes; the method is characterized in that: the anti-explosion box is arranged in the junction box shell, and the geometric dimension of the outer side of the anti-explosion box is matched with the geometric dimension of the inner side of the junction box shell; the explosion-proof box is fixedly connected with the junction box shell;
when the junction box is used as a switch, the switch box is fixedly arranged in the explosion-proof box, the switch box adopts a push switch, and the button is arranged on the top surface of the switch box; the upper cover component is arranged at the top end of the explosion-proof box; the upper cover component comprises a gland, a pressing plate and a connecting column, and the gland is fixedly connected to the outer side of the top end of the explosion-proof box; the pressing plate is connected with the pressing cover in a sliding way; one end of the connecting column is connected with the pressing plate, and the other end of the connecting column is connected with the button of the switch box;
when the junction box is used as a cable junction box, the switch box in the explosion-proof box is removed, and the connection of cables is completed in the explosion-proof box; meanwhile, the upper cover assembly is replaced by the plugging plate which is fixedly connected to the outer side of the top end of the explosion-proof box.
2. The architectural electrical line outdoor junction box of claim 1, wherein: when the junction box is used as a switch, a compression spring is arranged between the pressing plate and the connecting column, one end of the compression spring is fixedly connected with the pressing plate, and the other end of the compression spring is fixedly connected with the connecting column.
3. The architectural electrical line outdoor junction box of claim 1, wherein: a connecting boss is arranged on the inner side of the bottom of the junction box shell, and a first through threaded hole is formed in the connecting boss; the bottom of the explosion-proof box is provided with through holes which are in one-to-one correspondence with the first threaded holes at the bottom of the junction box shell, screws are arranged at the through holes and are in threaded connection with the corresponding first threaded holes, and therefore the explosion-proof box is fixed in the junction box shell through the screws.
4. The architectural electrical line outdoor junction box of claim 1, wherein: the inner side of the bottom of the junction box shell is provided with a switch box mounting column, a second threaded hole is formed in the mounting column, connecting pieces in one-to-one correspondence with the mounting column are arranged on two sides of the switch box, and the connecting pieces of the switch box are fixed on the mounting column through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285410.0U CN214506438U (en) | 2021-02-02 | 2021-02-02 | Outdoor junction box of building electric circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285410.0U CN214506438U (en) | 2021-02-02 | 2021-02-02 | Outdoor junction box of building electric circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214506438U true CN214506438U (en) | 2021-10-26 |
Family
ID=78218419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120285410.0U Active CN214506438U (en) | 2021-02-02 | 2021-02-02 | Outdoor junction box of building electric circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214506438U (en) |
-
2021
- 2021-02-02 CN CN202120285410.0U patent/CN214506438U/en active Active
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