Wall-mounted access box

Abstract

The utility model relates to the technical field of generator car access boxes, in particular to a wall-mounted access box, which comprises a box body, an insulating back plate, a knife switch and a plurality of quick connection assemblies, the box body is provided with an inner cavity, the insulating back plate divides the inner cavity into a front cavity and a rear cavity, the knife switch is mounted on the insulating back plate, and the quick connection assemblies are mounted on the front cavity and the rear cavity. The plurality of quick-connection assemblies are arranged in the front cavity in a row at intervals, each quick-connection assembly comprises a connection busbar, a quick-insertion connector arranged on the connection busbar, a terminal block arranged on the connection busbar and a grounding ring arranged on the connection busbar, the connection busbar is vertically arranged, and the quick-insertion connector is connected with the terminal block. The quick-plug connectors, the terminal blocks and the grounding rings are distributed on the connecting busbar at intervals. According to the utility model, the structure is novel, and a good electrical isolation effect can be achieved; the functions of the quick-plug connector, the terminal block and the grounding ring are integrated on the connecting busbar, so that the connecting busbar is integrally compact in structure, small in occupied volume, convenient to assemble, disassemble, replace and maintain, and high in use flexibility.

Description

Technical Field

[0001] The utility model relates to the technical field of access boxes for power generation vehicles, in particular to a wall-mounted access box. Background Art

[0002] At present, the quick access box of the power generation vehicle is also called the quick access cabinet of the power generation vehicle. The quick access box of the power generation vehicle utilizes the existing electrical quick connector equipment and electrical switch protection technology, and is a set of emergency power supply quick access device boxes manufactured according to the power design requirements. When encountering a power outage due to maintenance or a fault, the distribution power generation vehicle can provide emergency power supply according to the user's needs for rapid power restoration. The quick access box of the power generation vehicle is widely used in some emergency repairs and disaster relief, protective power supply, and temporary protective power supply. Because a variety of electronic components are arranged in the quick access box of the power generation vehicle, such as air switches; and fuses. The above electronic components are all set to enable the quick access box of the power generation vehicle to work well. However, the current quick access box has a single structure, and is only equipped with a quick-plug connector for connection, which has poor flexibility in use. Summary of the invention

[0003] In view of the problems of the prior art, the utility model provides a wall-mounted access box with a novel structure and good electrical isolation effect. The connecting busbar is detachably connected with a quick-plug connector, a terminal block and a grounding ring, so that the functions of the quick-plug connector, the terminal block and the grounding ring are integrated on the connecting busbar. The overall structure is compact, the volume occupied is small, and it is convenient to assemble and disassemble, replace and repair, and it has strong flexibility in use.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides a wall-mounted access box, which includes a box body, an insulating back plate, a knife switch and a plurality of quick-connect components, wherein the box body is provided with an inner cavity, the insulating back plate divides the inner cavity into a front cavity and a rear cavity, the knife switch is mounted on the insulating back plate, and a plurality of quick-connect components are arranged in a row in the front cavity, each quick-connect component includes a connecting busbar, a quick-plug connector mounted on the connecting busbar, a terminal block mounted on the connecting busbar and a grounding ring mounted on the connecting busbar, the connecting busbar is vertically arranged, the quick-plug connector, the terminal block and the grounding ring are distributed on the connecting busbar at intervals, and the quick-plug connector, the terminal block and the grounding ring are detachably connected to the connecting busbar, the lower end of the connecting busbar is connected to the knife switch, and the upper end of the connecting busbar is used to connect a low-voltage cable.

[0006] Wherein, the connecting busbar is provided with a plurality of connecting screw holes.

[0007] Wherein, the grounding ring includes a mounting base and a connecting ring body mounted on the mounting base, and the bottom of the mounting base is provided with at least one first fixing screw hole, and the first fixing screw hole is arranged corresponding to the connecting screw hole.

[0008] Wherein, the connecting ring body and the mounting base are integrally formed.

[0009] Among them, a second fixing screw hole is set at one end of the terminal block, and the second fixing screw hole is set corresponding to the connecting screw hole. An installation screw hole is set at the other end of the terminal block, and the other end of the terminal block is used to connect the connecting wire nose with the external cable.

[0010] Among them, a third fixing screw hole is provided at one end of the quick-plug connector, and the third fixing screw hole is arranged corresponding to the connecting screw hole. A quick-plug interface is provided at the other end of the quick-plug connector, and the quick-plug interface is used to connect with the cable of the external power generation vehicle.

[0011] Wherein, both ends of the connecting busbar are respectively provided with power connection holes.

[0012] Wherein, the outer peripheral cover of the grounding ring is provided with a first protective cover.

[0013] Wherein, the outer peripheral cover of the terminal block is provided with a second protective cover.

[0014] Beneficial effects of the utility model:

[0015] The utility model has a novel structure and ingenious design. The inner cavity is divided into a front cavity and a rear cavity by an insulating back plate, which can achieve a good electrical isolation effect. The low-voltage cable can pass through the rear cavity, bypass the top of the insulating back plate, and then be connected to the upper end of the connecting busbar; wherein, the connecting busbar is detachably connected with a quick-plug connector, a terminal block and a grounding ring. The quick-plug connector can be quickly plugged into and connected with the cable of the power generation vehicle. The terminal block can be connected to the wire nose for grounding or drainage. The grounding ring can be installed with a grounding rod and can only be used for grounding. Under the above arrangement, the functions of the quick-plug connector, the terminal block and the grounding ring are integrated on the connecting busbar, so that the overall structure is compact, occupies a small volume, is convenient for assembly and disassembly, is easy to replace and repair, and has strong flexibility in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic structural diagram of a wall-mounted access box.

[0017] Figure 2 This is a schematic structural diagram of a wall-mounted access box of the utility model from another perspective.

[0018] Figure 3 It is a structural schematic diagram of the quick-connect assembly of the utility model.

[0019] Figure 4 It is a structural exploded view of the quick-connect assembly of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the quick-connect assembly of the utility model in cooperation with the first protective cover and the second protective cover.

[0021] Figure 6 It is a structural schematic diagram of the wire clamping plate of the utility model.

[0022] exist Figures 1 to 6 Reference numerals in the drawings include:

[0023] 1. Box body; 2. Insulating back plate; 3. Knife switch; 4. Quick-connect assembly; 5. Front cavity; 6. Rear cavity; 7. Connecting busbar; 8. Quick-connect connector; 9. Terminal block; 10. Grounding ring; 11. Connecting screw hole; 12. Mounting base; 13. Connecting ring body; 14. First fixing screw hole; 15. Second fixing screw hole; 16. Mounting screw hole; 17. Third fixing screw hole; 18. Quick-connect interface; 19. Power connection hole; 20. First protective cover; 21. Second protective cover; 22. Wire clamp; 23. Perforation. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0025] A wall-mounted access box, such as Figures 1 to 6As shown, it includes a box body 1, an insulating back plate 2, a knife switch 3 and a plurality of quick-connect components 4, wherein a hanging hole is provided on the back of the box body 1, so as to facilitate hanging the box body 1 on the bolts or pins corresponding to the wall. The wall-mounted access box is a conventional technology and will not be described here; the box body 1 is provided with an inner cavity, the insulating back plate 2 divides the inner cavity into a front cavity 5 and a rear cavity 6, the knife switch 3 is installed on the insulating back plate 2, and a plurality of quick-connect components 4 are arranged in a row in the front cavity 5, and each quick-connect component 4 includes a connection A busbar 7, a quick-plug connector 8 installed on the connecting busbar 7, a terminal block 9 installed on the connecting busbar 7, and a grounding ring 10 installed on the connecting busbar 7. The connecting busbar 7 is vertically arranged, and the quick-plug connector 8, the terminal block 9 and the grounding ring 10 are distributed at intervals on the connecting busbar 7, and the quick-plug connector 8, the terminal block 9 and the grounding ring 10 are detachably connected to the connecting busbar 7. The lower end of the connecting busbar 7 is connected to the knife switch 3, and the upper end of the connecting busbar 7 is used to connect a low-voltage cable. Specifically, the utility model has a novel structure and ingenious design. The insulating back plate 2 is used to divide the inner cavity into a front cavity 5 and a rear cavity 6, which can achieve a good electrical isolation effect. The low-voltage cable can pass through the rear cavity 6, bypass the top of the insulating back plate 2, and then be connected to the upper end of the connecting busbar 7; wherein, the connecting busbar 7 is detachably connected with a quick-plug connector 8, a terminal block 9 and a grounding ring 10, the quick-plug connector 8 can be quickly plugged into and connected with the power generation vehicle cable, the terminal block 9 can be connected to the wire nose for grounding or drainage, and the grounding ring 10 can be installed with a grounding rod and can only be used for grounding. Under the above setting, the functions of the quick-plug connector 8, the terminal block 9 and the grounding ring 10 are integrated on the connecting busbar 7, so that the overall structure is compact, occupies a small volume, is convenient for assembly and disassembly, is convenient for replacement and maintenance, and has strong flexibility in use.

[0026] In this embodiment, a clamping plate 22 is provided at the top of the insulating back plate 2, and the clamping plate 22 is provided with a plurality of through holes 23. The plurality of through holes 23 are used for the installation of low-voltage cables. Preferably, the number of through holes 23 is twice the number of low-voltage cables. The low-voltage cables pass through the through holes 23 located above the rear cavity 6 and then through the through holes 23 located above the front cavity 5, and then are connected to the connecting busbar 7. The structure has strong stability and good connection stability. Preferably, the insulating back plate 2 and the clamping plate 22 are fixedly arranged in the box body 1.

[0027] In this embodiment, the connecting busbar 7 is provided with a plurality of connecting screw holes 11. Specifically, the connecting busbar 7 can be detachably connected to the quick-plug connector 8, the terminal block 9 and the grounding ring 10 respectively by external screws, so as to facilitate assembly and disassembly.

[0028] In this embodiment, the grounding ring 10 includes a mounting base 12 and a connecting ring body 13 mounted on the mounting base 12. The bottom of the mounting base 12 is provided with at least one first fixing screw hole 14, and the first fixing screw hole 14 is provided corresponding to the connecting screw hole 11. Specifically, when assembling the grounding ring 10 and the connecting busbar 7, the first fixing screw hole 14 of the mounting base 12 is aligned with the connecting screw hole 11, and then the external screws are screwed together with the first fixing screw hole 14 and the connecting screw hole 11 to achieve locking; wherein the connecting ring body 13 is integrally formed with the mounting base 12. Specifically, under the above-mentioned setting, the structural strength of the grounding ring 10 is improved, and the working reliability and stability are guaranteed.

[0029] In this embodiment, a second fixing screw hole 15 is provided at one end of the terminal block 9, and the second fixing screw hole 15 is provided corresponding to the connecting screw hole 11, and a mounting screw hole 16 is provided at the other end of the terminal block 9, and the other end of the terminal block 9 is used to connect the wire nose to the external cable. Specifically, under the above setting, on the one hand, it is convenient to cooperate and connect one end of the terminal block 9 with the second fixing screw hole 15 and the connecting screw hole 11 through an external screw, and on the other hand, the mounting screw hole 16 is convenient to use a screw to cooperate and connect with the wire nose of the external cable.

[0030] In this embodiment, a third fixing screw hole 17 is provided at one end of the quick-plug connector 8, and the third fixing screw hole 17 is provided corresponding to the connecting screw hole 11. A quick-plug interface 18 is provided at the other end of the quick-plug connector 8, and the quick-plug interface 18 is used to connect with the cable of the external power generation vehicle. Specifically, under the above setting, the assembly and disassembly of the quick-plug connector 8 are convenient. The quick-plug connector 8 is a prior art and will not be described in detail here.

[0031] In this embodiment, both ends of the connecting busbar 7 are respectively provided with power connection holes 19. Specifically, under the above arrangement, it is convenient to connect the connecting busbar 7 with the knife switch 3 and the low-voltage cable.

[0032] In this embodiment, the outer peripheral cover of the grounding ring 10 is provided with a first protective cover 20. The outer peripheral cover of the terminal block 9 is provided with a second protective cover 21. Specifically, under the above settings, when the grounding ring 10 and the terminal block 9 are not needed, the first protective cover 20 and the second protective cover 21 protect the grounding ring 10 and the terminal block 9 respectively to avoid external pollution.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A wall-mounted access box, characterized in that: It includes a box body, an insulating back plate, a knife switch and multiple quick-connect components, the box body is provided with an inner cavity, the insulating back plate divides the inner cavity into a front cavity and a rear cavity, the knife switch is installed on the insulating back plate, and multiple quick-connect components are arranged in a row in the front cavity, each quick-connect component includes a connecting busbar, a quick-plug connector installed on the connecting busbar, a terminal block installed on the connecting busbar and a grounding ring installed on the connecting busbar, the connecting busbar is vertically arranged, the quick-plug connector, the terminal block and the grounding ring are distributed on the connecting busbar at intervals, and the quick-plug connector, the terminal block and the grounding ring are detachably connected to the connecting busbar, the lower end of the connecting busbar is connected to the knife switch, and the upper end of the connecting busbar is used to connect a low-voltage cable.

2. A wall-mounted access box according to claim 1, characterized in that: The connecting busbar is provided with a plurality of connecting screw holes.

3. A wall-mounted access box according to claim 2, characterized in that: The grounding ring comprises a mounting base and a connecting ring body mounted on the mounting base. The bottom of the mounting base is provided with at least one first fixing screw hole, and the first fixing screw hole is arranged correspondingly to the connecting screw hole.

4. A wall-mounted access box according to claim 3, characterized in that: The connecting ring body and the mounting base are integrally formed.

5. A wall-mounted access box according to claim 2, characterized in that: A second fixing screw hole is provided at one end of the terminal block, and the second fixing screw hole is provided corresponding to the connecting screw hole. A mounting screw hole is provided at the other end of the terminal block, and the other end of the terminal block is used to connect the connecting wire nose to the external cable.

6. A wall-mounted access box according to claim 2, characterized in that: A third fixing screw hole is provided at one end of the quick-plug connector, and the third fixing screw hole is provided corresponding to the connecting screw hole. A quick-plug interface is provided at the other end of the quick-plug connector, and the quick-plug interface is used to connect to the cable of the external power generation vehicle.

7. A wall-mounted access box according to claim 2, characterized in that: Both ends of the connecting busbar are respectively provided with power connection holes.

8. The wall-mounted access box according to claim 1, characterized in that: The outer periphery of the grounding ring is covered with a first protective cover.

9. The wall-mounted access box according to claim 1, characterized in that: The outer peripheral cover of the terminal block is provided with a second protective cover.

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